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AQI Calculations on 06/21/2025 1:00AM - 7:00AM

The EPA (Environmental Protection Agency) developed the AQI (Air Quality Index) to make reading ambient air data more understandable to the general public. When ambient air data is collected, the numbers are converted from their concentration levels into numbers on a scale. That scale is the pollutant's AQI value. (Click here for a more detailed description of the AQI scale). Below is a list of all of the latest AQI values collected.


Due to limited system resources and high volume, today's AQI calculations can no longer be sorted by columns. For a CSV file of these data, updated hourly, click here.


All data are collected real-time and have not been corrected nor validated.

Time *
(MST)
 Monitoring Location Pollutant Interval
(Hr)
 Air Quality AQI Avg.
7:00 AM ACAD O3 8 Good 33 36 PPB
7:00 AM ACC PM10 24 Good 14 15 µg/m3
7:00 AM ACC PM2.5 24 Good 26 4 µg/m3
7:00 AM ADB PM10 24 Moderate 52 57 µg/m3
7:00 AM ADB PM2.5 24 Good 48 8 µg/m3
7:00 AM ALA PM10 24 Good 48 52 µg/m3
7:00 AM ALA PM2.5 24 Good 49 8 µg/m3
7:00 AM ASPN O3 8 Good 36 39 PPB
7:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
7:00 AM ASPN2 PM2.5 24 Good 28 5 µg/m3
7:00 AM AURE O3 8 Good 43 46 PPB
7:00 AM BHWK O3 8 Good 48 52 PPB
7:00 AM BOU PM10 24 Good 31 33 µg/m3
7:00 AM BOU PM2.5 24 Good 33 6 µg/m3
7:00 AM BOUR O3 8 Good 34 37 PPB
7:00 AM CAMP NO2 1 Good 10 11 PPB
7:00 AM CAMP NO2 1 Good 10 11 PPB
7:00 AM CAMP O3 8 Good 32 35 PPB
7:00 AM CAMP PM10 24 Good 17 18 µg/m3
7:00 AM CAMP PM2.5 24 Good 28 5 µg/m3
7:00 AM CAN PM10 24 Good 40 43 µg/m3
7:00 AM CAN PM2.5 24 Good 43 7 µg/m3
7:00 AM CASA CO 8 Good 1 0.1 PPM
7:00 AM CASA NO2 1 Good 8 9 PPB
7:00 AM CASA O3 8 Good 25 27 PPB
7:00 AM CASA PM10 24 Good 25 27 µg/m3
7:00 AM CASA PM2.5 24 Good 35 6 µg/m3
7:00 AM CASA SO2 1 Good 1 1 PPB
7:00 AM CHAT O3 8 Good 33 36 PPB
7:00 AM CHAT PM10 24 Good 25 27 µg/m3
7:00 AM CHAT PM2.5 24 Good 33 5 µg/m3
7:00 AM DELT PM10 24 Good 45 49 µg/m3
7:00 AM DELT PM2.5 24 Good 32 5 µg/m3
7:00 AM DELT PM2.5 24 Good 32 5 µg/m3
7:00 AM EVG O3 8 Good 33 36 PPB
7:00 AM FOS NO2 1 Good 9 10 PPB
7:00 AM FOS O3 8 Good 19 20 PPB
7:00 AM FTC CO 8 Good 0 0.0 PPM
7:00 AM FTC O3 8 Good 27 29 PPB
7:00 AM FTCF PM10 24 Good 21 23 µg/m3
7:00 AM FTCF PM2.5 24 Good 26 4 µg/m3
7:00 AM FTCW O3 8 Good 46 50 PPB
7:00 AM GJPB PM10 24 Good 21 23 µg/m3
7:00 AM GJPB PM2.5 24 Good 23 4 µg/m3
7:00 AM GREH PM10 24 Good 25 27 µg/m3
7:00 AM GREH PM2.5 24 Good 44 7 µg/m3
7:00 AM GRET CO 8 Good 1 0.1 PPM
7:00 AM GRET O3 8 Good 23 25 PPB
7:00 AM HLD O3 8 Good 40 43 PPB
7:00 AM I25DEN CO 8 Good 3 0.3 PPM
7:00 AM I25DEN NO2 1 Good 23 24 PPB
7:00 AM I25DEN PM10 24 Good 28 30 µg/m3
7:00 AM I25DEN PM2.5 24 Good 36 6 µg/m3
7:00 AM I25GLO NO2 1 Good 27 29 PPB
7:00 AM I25GLO PM10 24 Good 32 35 µg/m3
7:00 AM I25GLO PM2.5 24 Good 37 6 µg/m3
7:00 AM LAST NO2 1 Good 4 4 PPB
7:00 AM LAST O3 8 Good 30 32 PPB
7:00 AM LMB PM10 24 Good 42 45 µg/m3
7:00 AM LMB PM2.5 24 Good 44 8 µg/m3
7:00 AM LNGM PM10 24 Good 35 38 µg/m3
7:00 AM LNGM PM2.5 24 Good 37 6 µg/m3
7:00 AM MAN O3 8 Good 38 41 PPB
7:00 AM MFP NO2 1 Good 2 2 PPB
7:00 AM MFP O3 8 Good 38 41 PPB
7:00 AM NJH PM10 24 Good 36 39 µg/m3
7:00 AM NJH PM2.5 24 Good 42 7 µg/m3
7:00 AM NREL O3 8 Good 40 43 PPB
7:00 AM PAG PM10 24 Good 40 43 µg/m3
7:00 AM PAG PM2.5 24 Good 38 6 µg/m3
7:00 AM PAL O3 8 Moderate 58 57 PPB
7:00 AM PFS PM10 24 Good 44 47 µg/m3
7:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
7:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
7:00 AM PWES O3 8 Good 36 39 PPB
7:00 AM RFN NO2 1 Good 1 1 PPB
7:00 AM RFN O3 8 Good 46 50 PPB
7:00 AM RIFL PM2.5 24 Good 40 7 µg/m3
7:00 AM RIFLO3 O3 8 Good 44 48 PPB
7:00 AM SSMB PM10 24 Good 37 40 µg/m3
7:00 AM SSMB PM2.5 24 Good 33 6 µg/m3
7:00 AM TEL PM10 24 Good 33 36 µg/m3
7:00 AM TEL PM2.5 24 Good 27 4 µg/m3
7:00 AM TIM NO2 1 Good 11 12 PPB
7:00 AM TIM O3 8 Good 15 16 PPB
7:00 AM TIM PM10 24 Good 30 32 µg/m3
7:00 AM TIM PM2.5 24 Good 37 6 µg/m3
7:00 AM WBY NO2 1 Good 18 19 PPB
7:00 AM WBY NO2 1 Good 18 19 PPB
7:00 AM WBY O3 8 Good 14 15 PPB
7:00 AM WBY PM10 24 Moderate 51 55 µg/m3
7:00 AM WBY PM2.5 24 Good 42 7 µg/m3
7:00 AM WBY SO2 1 Good 1 1 PPB
7:00 AM WBY SO2 1 Good 1 1 PPB
6:00 AM ACAD O3 8 Good 32 35 PPB
6:00 AM ACC PM10 24 Good 14 15 µg/m3
6:00 AM ACC PM2.5 24 Good 26 4 µg/m3
6:00 AM ADB PM10 24 Good 47 51 µg/m3
6:00 AM ADB PM2.5 24 Good 47 8 µg/m3
6:00 AM ALA PM10 24 Good 48 52 µg/m3
6:00 AM ALA PM2.5 24 Good 50 9 µg/m3
6:00 AM ASPN O3 8 Good 37 40 PPB
6:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
6:00 AM ASPN2 PM2.5 24 Good 28 5 µg/m3
6:00 AM AURE O3 8 Good 43 46 PPB
6:00 AM BHWK O3 8 Good 47 51 PPB
6:00 AM BOU PM10 24 Good 32 35 µg/m3
6:00 AM BOU PM2.5 24 Good 34 6 µg/m3
6:00 AM BOUR O3 8 Good 34 37 PPB
6:00 AM CAMP NO2 1 Good 5 5 PPB
6:00 AM CAMP NO2 1 Good 5 5 PPB
6:00 AM CAMP O3 8 Good 32 35 PPB
6:00 AM CAMP PM10 24 Good 18 19 µg/m3
6:00 AM CAMP PM2.5 24 Good 29 5 µg/m3
6:00 AM CAN PM10 24 Good 42 45 µg/m3
6:00 AM CAN PM2.5 24 Good 44 8 µg/m3
6:00 AM CASA CO 8 Good 1 0.1 PPM
6:00 AM CASA NO2 1 Good 8 9 PPB
6:00 AM CASA O3 8 Good 24 26 PPB
6:00 AM CASA PM10 24 Good 24 26 µg/m3
6:00 AM CASA PM2.5 24 Good 35 6 µg/m3
6:00 AM CASA SO2 1 Good 1 1 PPB
6:00 AM CHAT O3 8 Good 34 37 PPB
6:00 AM CHAT PM10 24 Good 25 27 µg/m3
6:00 AM CHAT PM2.5 24 Good 33 6 µg/m3
6:00 AM DELT PM10 24 Good 46 50 µg/m3
6:00 AM DELT PM2.5 24 Good 32 5 µg/m3
6:00 AM DELT PM2.5 24 Good 32 5 µg/m3
6:00 AM EVG O3 8 Good 33 36 PPB
6:00 AM FOS NO2 1 Good 8 9 PPB
6:00 AM FOS O3 8 Good 22 24 PPB
6:00 AM FTC CO 8 Good 0 0.0 PPM
6:00 AM FTC O3 8 Good 29 31 PPB
6:00 AM FTCF PM10 24 Good 20 22 µg/m3
6:00 AM FTCF PM2.5 24 Good 26 4 µg/m3
6:00 AM FTCW O3 8 Good 46 50 PPB
6:00 AM GJPB PM10 24 Good 22 24 µg/m3
6:00 AM GJPB PM2.5 24 Good 24 4 µg/m3
6:00 AM GREH PM10 24 Good 24 26 µg/m3
6:00 AM GREH PM2.5 24 Good 41 7 µg/m3
6:00 AM GRET CO 8 Good 1 0.1 PPM
6:00 AM GRET O3 8 Good 25 27 PPB
6:00 AM HLD O3 8 Good 40 43 PPB
6:00 AM I25DEN CO 8 Good 3 0.3 PPM
6:00 AM I25DEN NO2 1 Good 25 26 PPB
6:00 AM I25DEN PM10 24 Good 28 30 µg/m3
6:00 AM I25DEN PM2.5 24 Good 36 6 µg/m3
6:00 AM I25GLO NO2 1 Good 31 33 PPB
6:00 AM I25GLO PM10 24 Good 32 35 µg/m3
6:00 AM I25GLO PM2.5 24 Good 37 6 µg/m3
6:00 AM LAST NO2 1 Good 8 8 PPB
6:00 AM LAST O3 8 Good 31 33 PPB
6:00 AM LMB PM10 24 Good 41 44 µg/m3
6:00 AM LMB PM2.5 24 Good 45 8 µg/m3
6:00 AM LNGM PM10 24 Good 37 40 µg/m3
6:00 AM LNGM PM2.5 24 Good 38 6 µg/m3
6:00 AM MAN O3 8 Good 39 42 PPB
6:00 AM MFP O3 8 Good 39 42 PPB
6:00 AM NJH PM10 24 Good 37 40 µg/m3
6:00 AM NJH PM2.5 24 Good 42 7 µg/m3
6:00 AM NREL O3 8 Good 40 43 PPB
6:00 AM PAG PM10 24 Good 40 43 µg/m3
6:00 AM PAG PM2.5 24 Good 39 7 µg/m3
6:00 AM PAL O3 8 Moderate 58 57 PPB
6:00 AM PFS PM10 24 Good 43 46 µg/m3
6:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
6:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
6:00 AM PWES O3 8 Good 37 40 PPB
6:00 AM RFN NO2 1 Good 1 1 PPB
6:00 AM RFN O3 8 Good 47 51 PPB
6:00 AM RIFL PM2.5 24 Good 42 7 µg/m3
6:00 AM RIFLO3 O3 8 Good 45 49 PPB
6:00 AM SSMB PM10 24 Good 38 41 µg/m3
6:00 AM SSMB PM2.5 24 Good 34 6 µg/m3
6:00 AM TEL PM10 24 Good 34 37 µg/m3
6:00 AM TEL PM2.5 24 Good 28 5 µg/m3
6:00 AM TIM NO2 1 Good 9 10 PPB
6:00 AM TIM O3 8 Good 18 19 PPB
6:00 AM TIM PM10 24 Good 29 31 µg/m3
6:00 AM TIM PM2.5 24 Good 36 6 µg/m3
6:00 AM WBY NO2 1 Good 23 24 PPB
6:00 AM WBY NO2 1 Good 23 24 PPB
6:00 AM WBY O3 8 Good 14 15 PPB
6:00 AM WBY PM10 24 Moderate 52 58 µg/m3
6:00 AM WBY PM2.5 24 Good 43 7 µg/m3
6:00 AM WBY SO2 1 Good 1 1 PPB
6:00 AM WBY SO2 1 Good 1 1 PPB
5:00 AM ACAD O3 8 Good 32 35 PPB
5:00 AM ACC PM10 24 Good 14 15 µg/m3
5:00 AM ACC PM2.5 24 Good 27 4 µg/m3
5:00 AM ADB PM10 24 Good 46 50 µg/m3
5:00 AM ADB PM2.5 24 Good 46 8 µg/m3
5:00 AM ALA PM10 24 Good 49 53 µg/m3
5:00 AM ALA PM2.5 24 Moderate 51 9 µg/m3
5:00 AM ASPN O3 8 Good 37 40 PPB
5:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 28 5 µg/m3
5:00 AM AURE O3 8 Good 43 46 PPB
5:00 AM BHWK O3 8 Good 46 50 PPB
5:00 AM BOU PM10 24 Good 32 35 µg/m3
5:00 AM BOU PM2.5 24 Good 35 6 µg/m3
5:00 AM BOUR O3 8 Good 35 38 PPB
5:00 AM CAMP NO2 1 Good 5 5 PPB
5:00 AM CAMP NO2 1 Good 5 5 PPB
5:00 AM CAMP O3 8 Good 31 34 PPB
5:00 AM CAMP PM10 24 Good 18 19 µg/m3
5:00 AM CAMP PM2.5 24 Good 30 5 µg/m3
5:00 AM CAN PM10 24 Good 43 46 µg/m3
5:00 AM CAN PM2.5 24 Good 46 8 µg/m3
5:00 AM CASA CO 8 Good 1 0.1 PPM
5:00 AM CASA NO2 1 Good 9 10 PPB
5:00 AM CASA O3 8 Good 26 28 PPB
5:00 AM CASA PM10 24 Good 25 27 µg/m3
5:00 AM CASA PM2.5 24 Good 36 6 µg/m3
5:00 AM CASA SO2 1 Good 1 1 PPB
5:00 AM CHAT O3 8 Good 35 38 PPB
5:00 AM CHAT PM10 24 Good 26 28 µg/m3
5:00 AM CHAT PM2.5 24 Good 34 6 µg/m3
5:00 AM DELT PM10 24 Good 46 50 µg/m3
5:00 AM DELT PM2.5 24 Good 33 6 µg/m3
5:00 AM DELT PM2.5 24 Good 33 6 µg/m3
5:00 AM EVG O3 8 Good 34 37 PPB
5:00 AM FOS NO2 1 Good 8 8 PPB
5:00 AM FOS O3 8 Good 24 26 PPB
5:00 AM FTC CO 8 Good 0 0.0 PPM
5:00 AM FTC O3 8 Good 30 32 PPB
5:00 AM FTCF PM10 24 Good 20 22 µg/m3
5:00 AM FTCF PM2.5 24 Good 27 4 µg/m3
5:00 AM FTCW O3 8 Good 46 50 PPB
5:00 AM GJPB PM10 24 Good 22 24 µg/m3
5:00 AM GJPB PM2.5 24 Good 26 4 µg/m3
5:00 AM GREH PM10 24 Good 23 25 µg/m3
5:00 AM GREH PM2.5 24 Good 40 7 µg/m3
5:00 AM GRET CO 8 Good 1 0.1 PPM
5:00 AM GRET O3 8 Good 27 29 PPB
5:00 AM HLD O3 8 Good 40 43 PPB
5:00 AM I25DEN CO 8 Good 3 0.3 PPM
5:00 AM I25DEN NO2 1 Good 21 22 PPB
5:00 AM I25DEN PM10 24 Good 27 29 µg/m3
5:00 AM I25DEN PM2.5 24 Good 36 6 µg/m3
5:00 AM I25GLO NO2 1 Good 26 28 PPB
5:00 AM I25GLO PM10 24 Good 33 36 µg/m3
5:00 AM I25GLO PM2.5 24 Good 38 6 µg/m3
5:00 AM LAST NO2 1 Good 9 10 PPB
5:00 AM LAST O3 8 Good 32 35 PPB
5:00 AM LMB PM10 24 Good 41 44 µg/m3
5:00 AM LMB PM2.5 24 Good 46 8 µg/m3
5:00 AM LNGM PM10 24 Good 38 41 µg/m3
5:00 AM LNGM PM2.5 24 Good 38 6 µg/m3
5:00 AM MAN O3 8 Good 40 43 PPB
5:00 AM MFP O3 8 Good 40 43 PPB
5:00 AM NJH PM10 24 Good 37 40 µg/m3
5:00 AM NJH PM2.5 24 Good 43 7 µg/m3
5:00 AM NREL O3 8 Good 41 44 PPB
5:00 AM PAG PM10 24 Good 41 44 µg/m3
5:00 AM PAG PM2.5 24 Good 41 7 µg/m3
5:00 AM PAL O3 8 Moderate 54 56 PPB
5:00 AM PFS PM10 24 Good 43 46 µg/m3
5:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
5:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
5:00 AM PWES O3 8 Good 40 43 PPB
5:00 AM RFN NO2 1 Good 1 1 PPB
5:00 AM RFN O3 8 Good 46 50 PPB
5:00 AM RIFL PM2.5 24 Good 42 7 µg/m3
5:00 AM RIFLO3 O3 8 Good 44 48 PPB
5:00 AM SSMB PM10 24 Good 37 40 µg/m3
5:00 AM SSMB PM2.5 24 Good 34 6 µg/m3
5:00 AM TEL PM10 24 Good 34 37 µg/m3
5:00 AM TEL PM2.5 24 Good 28 5 µg/m3
5:00 AM TIM NO2 1 Good 8 8 PPB
5:00 AM TIM O3 8 Good 19 21 PPB
5:00 AM TIM PM10 24 Good 28 30 µg/m3
5:00 AM TIM PM2.5 24 Good 36 6 µg/m3
5:00 AM WBY NO2 1 Good 23 24 PPB
5:00 AM WBY NO2 1 Good 23 24 PPB
5:00 AM WBY O3 8 Good 15 16 PPB
5:00 AM WBY PM10 24 Moderate 54 61 µg/m3
5:00 AM WBY PM2.5 24 Good 44 8 µg/m3
4:00 AM ACAD O3 8 Good 33 36 PPB
4:00 AM ACC PM10 24 Good 14 15 µg/m3
4:00 AM ACC PM2.5 24 Good 26 4 µg/m3
4:00 AM ADB PM10 24 Good 45 49 µg/m3
4:00 AM ADB PM2.5 24 Good 46 8 µg/m3
4:00 AM ALA PM10 24 Good 49 53 µg/m3
4:00 AM ALA PM2.5 24 Moderate 51 9 µg/m3
4:00 AM ASPN O3 8 Good 37 40 PPB
4:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 28 5 µg/m3
4:00 AM AURE O3 8 Good 43 46 PPB
4:00 AM BHWK O3 8 Good 45 49 PPB
4:00 AM BOU PM10 24 Good 32 35 µg/m3
4:00 AM BOU PM2.5 24 Good 36 6 µg/m3
4:00 AM BOUR O3 8 Good 36 39 PPB
4:00 AM CAMP NO2 1 Good 7 7 PPB
4:00 AM CAMP NO2 1 Good 7 7 PPB
4:00 AM CAMP O3 8 Good 31 34 PPB
4:00 AM CAMP PM10 24 Good 18 19 µg/m3
4:00 AM CAMP PM2.5 24 Good 30 5 µg/m3
4:00 AM CAMP SO2 1 Good 1 1 PPB
4:00 AM CAMP SO2 1 Good 1 1 PPB
4:00 AM CAN PM10 24 Good 43 46 µg/m3
4:00 AM CAN PM2.5 24 Good 46 8 µg/m3
4:00 AM CASA CO 8 Good 1 0.1 PPM
4:00 AM CASA NO2 1 Good 9 10 PPB
4:00 AM CASA O3 8 Good 28 30 PPB
4:00 AM CASA PM10 24 Good 24 26 µg/m3
4:00 AM CASA PM2.5 24 Good 36 6 µg/m3
4:00 AM CASA SO2 1 Good 1 1 PPB
4:00 AM CHAT O3 8 Good 35 38 PPB
4:00 AM CHAT PM10 24 Good 25 27 µg/m3
4:00 AM CHAT PM2.5 24 Good 34 6 µg/m3
4:00 AM DELT PM10 24 Good 47 51 µg/m3
4:00 AM DELT PM2.5 24 Good 34 6 µg/m3
4:00 AM DELT PM2.5 24 Good 34 6 µg/m3
4:00 AM EVG O3 8 Good 35 38 PPB
4:00 AM FOS NO2 1 Good 8 8 PPB
4:00 AM FOS O3 8 Good 27 29 PPB
4:00 AM FTC CO 8 Good 1 0.1 PPM
4:00 AM FTC O3 8 Good 30 32 PPB
4:00 AM FTCF PM10 24 Good 21 23 µg/m3
4:00 AM FTCF PM2.5 24 Good 28 5 µg/m3
4:00 AM FTCW O3 8 Good 46 50 PPB
4:00 AM GJPB PM10 24 Good 23 25 µg/m3
4:00 AM GJPB PM2.5 24 Good 26 4 µg/m3
4:00 AM GREH PM10 24 Good 22 24 µg/m3
4:00 AM GREH PM2.5 24 Good 39 7 µg/m3
4:00 AM GRET CO 8 Good 1 0.1 PPM
4:00 AM GRET O3 8 Good 30 32 PPB
4:00 AM HLD O3 8 Good 40 43 PPB
4:00 AM I25DEN CO 8 Good 3 0.3 PPM
4:00 AM I25DEN NO2 1 Good 13 14 PPB
4:00 AM I25DEN PM10 24 Good 27 29 µg/m3
4:00 AM I25DEN PM2.5 24 Good 35 6 µg/m3
4:00 AM I25GLO NO2 1 Good 28 30 PPB
4:00 AM I25GLO PM10 24 Good 32 35 µg/m3
4:00 AM I25GLO PM2.5 24 Good 38 6 µg/m3
4:00 AM LAST NO2 1 Good 5 5 PPB
4:00 AM LAST O3 8 Good 35 38 PPB
4:00 AM LMB PM10 24 Good 40 43 µg/m3
4:00 AM LMB PM2.5 24 Good 46 8 µg/m3
4:00 AM LNGM PM10 24 Good 38 41 µg/m3
4:00 AM LNGM PM2.5 24 Good 38 6 µg/m3
4:00 AM MAN O3 8 Good 41 44 PPB
4:00 AM MFP O3 8 Good 40 43 PPB
4:00 AM NJH PM10 24 Good 36 39 µg/m3
4:00 AM NJH PM2.5 24 Good 43 7 µg/m3
4:00 AM NREL O3 8 Good 41 44 PPB
4:00 AM PAG PM10 24 Good 41 44 µg/m3
4:00 AM PAG PM2.5 24 Good 42 7 µg/m3
4:00 AM PAL O3 8 Good 50 54 PPB
4:00 AM PFS PM10 24 Good 42 45 µg/m3
4:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
4:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
4:00 AM PWES O3 8 Good 41 44 PPB
4:00 AM RFN O3 8 Good 46 50 PPB
4:00 AM RIFL PM2.5 24 Good 43 7 µg/m3
4:00 AM RIFLO3 O3 8 Good 44 48 PPB
4:00 AM SSMB PM10 24 Good 37 40 µg/m3
4:00 AM SSMB PM2.5 24 Good 34 6 µg/m3
4:00 AM TEL PM10 24 Good 34 37 µg/m3
4:00 AM TEL PM2.5 24 Good 28 5 µg/m3
4:00 AM TIM NO2 1 Good 7 7 PPB
4:00 AM TIM O3 8 Good 23 25 PPB
4:00 AM TIM PM10 24 Good 28 30 µg/m3
4:00 AM TIM PM2.5 24 Good 35 6 µg/m3
4:00 AM WBY NO2 1 Good 18 19 PPB
4:00 AM WBY NO2 1 Good 18 19 PPB
4:00 AM WBY O3 8 Good 18 19 PPB
4:00 AM WBY PM10 24 Moderate 54 62 µg/m3
4:00 AM WBY PM2.5 24 Good 44 8 µg/m3
4:00 AM WBY SO2 1 Good 1 1 PPB
4:00 AM WBY SO2 1 Good 1 1 PPB
3:00 AM ACAD O3 8 Good 34 37 PPB
3:00 AM ACC PM10 24 Good 14 15 µg/m3
3:00 AM ACC PM2.5 24 Good 26 4 µg/m3
3:00 AM ADB PM10 24 Good 45 49 µg/m3
3:00 AM ADB PM2.5 24 Good 46 8 µg/m3
3:00 AM ALA PM10 24 Good 49 53 µg/m3
3:00 AM ALA PM2.5 24 Moderate 51 9 µg/m3
3:00 AM ASPN O3 8 Good 37 40 PPB
3:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 28 5 µg/m3
3:00 AM AURE O3 8 Good 44 47 PPB
3:00 AM BHWK O3 8 Good 44 48 PPB
3:00 AM BOU PM10 24 Good 32 35 µg/m3
3:00 AM BOU PM2.5 24 Good 37 6 µg/m3
3:00 AM BOUR O3 8 Good 37 40 PPB
3:00 AM CAMP NO2 1 Good 6 6 PPB
3:00 AM CAMP NO2 1 Good 6 6 PPB
3:00 AM CAMP O3 8 Good 32 35 PPB
3:00 AM CAMP PM10 24 Good 18 19 µg/m3
3:00 AM CAMP PM2.5 24 Good 30 5 µg/m3
3:00 AM CAN PM10 24 Good 43 46 µg/m3
3:00 AM CAN PM2.5 24 Good 46 8 µg/m3
3:00 AM CASA CO 8 Good 1 0.1 PPM
3:00 AM CASA NO2 1 Good 12 13 PPB
3:00 AM CASA O3 8 Good 30 32 PPB
3:00 AM CASA PM10 24 Good 24 26 µg/m3
3:00 AM CASA PM2.5 24 Good 36 6 µg/m3
3:00 AM CHAT O3 8 Good 37 40 PPB
3:00 AM CHAT PM10 24 Good 25 27 µg/m3
3:00 AM CHAT PM2.5 24 Good 34 6 µg/m3
3:00 AM DELT PM10 24 Good 47 51 µg/m3
3:00 AM DELT PM2.5 24 Good 35 6 µg/m3
3:00 AM DELT PM2.5 24 Good 35 6 µg/m3
3:00 AM EVG O3 8 Good 36 39 PPB
3:00 AM FOS NO2 1 Good 7 7 PPB
3:00 AM FOS O3 8 Good 31 33 PPB
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM FTC O3 8 Good 30 32 PPB
3:00 AM FTCF PM10 24 Good 20 22 µg/m3
3:00 AM FTCF PM2.5 24 Good 28 5 µg/m3
3:00 AM FTCW O3 8 Good 46 50 PPB
3:00 AM GJPB PM10 24 Good 23 25 µg/m3
3:00 AM GJPB PM2.5 24 Good 26 4 µg/m3
3:00 AM GREH PM10 24 Good 22 24 µg/m3
3:00 AM GREH PM2.5 24 Good 38 6 µg/m3
3:00 AM GRET CO 8 Good 1 0.1 PPM
3:00 AM GRET O3 8 Good 31 34 PPB
3:00 AM HLD O3 8 Good 41 44 PPB
3:00 AM I25DEN CO 8 Good 5 0.4 PPM
3:00 AM I25DEN NO2 1 Good 11 12 PPB
3:00 AM I25DEN PM10 24 Good 27 29 µg/m3
3:00 AM I25DEN PM2.5 24 Good 35 6 µg/m3
3:00 AM I25GLO NO2 1 Good 22 23 PPB
3:00 AM I25GLO PM10 24 Good 32 35 µg/m3
3:00 AM I25GLO PM2.5 24 Good 37 6 µg/m3
3:00 AM LAST NO2 1 Good 5 5 PPB
3:00 AM LAST O3 8 Good 37 40 PPB
3:00 AM LMB PM10 24 Good 39 42 µg/m3
3:00 AM LMB PM2.5 24 Good 47 8 µg/m3
3:00 AM LNGM PM10 24 Good 38 41 µg/m3
3:00 AM LNGM PM2.5 24 Good 38 6 µg/m3
3:00 AM MAN O3 8 Good 43 46 PPB
3:00 AM MFP O3 8 Good 40 43 PPB
3:00 AM NJH PM10 24 Good 36 39 µg/m3
3:00 AM NJH PM2.5 24 Good 43 7 µg/m3
3:00 AM NREL O3 8 Good 42 45 PPB
3:00 AM PAG PM10 24 Good 41 44 µg/m3
3:00 AM PAG PM2.5 24 Good 43 7 µg/m3
3:00 AM PAL O3 8 Good 50 54 PPB
3:00 AM PFS PM10 24 Good 42 45 µg/m3
3:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
3:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
3:00 AM PWES O3 8 Good 43 46 PPB
3:00 AM RFN O3 8 Good 46 50 PPB
3:00 AM RIFL PM2.5 24 Good 44 8 µg/m3
3:00 AM RIFLO3 O3 8 Good 44 47 PPB
3:00 AM SSMB PM10 24 Good 37 40 µg/m3
3:00 AM SSMB PM2.5 24 Good 35 6 µg/m3
3:00 AM TEL PM10 24 Good 34 37 µg/m3
3:00 AM TEL PM2.5 24 Good 29 5 µg/m3
3:00 AM TIM NO2 1 Good 7 7 PPB
3:00 AM TIM O3 8 Good 26 28 PPB
3:00 AM TIM PM10 24 Good 27 29 µg/m3
3:00 AM TIM PM2.5 24 Good 34 6 µg/m3
3:00 AM WBY NO2 1 Good 18 19 PPB
3:00 AM WBY NO2 1 Good 18 19 PPB
3:00 AM WBY O3 8 Good 19 21 PPB
3:00 AM WBY PM10 24 Moderate 54 62 µg/m3
3:00 AM WBY PM2.5 24 Good 45 8 µg/m3
3:00 AM WBY SO2 1 Good 1 1 PPB
3:00 AM WBY SO2 1 Good 1 1 PPB
2:00 AM ACAD O3 8 Good 36 39 PPB
2:00 AM ACC PM10 24 Good 14 15 µg/m3
2:00 AM ACC PM2.5 24 Good 26 4 µg/m3
2:00 AM ADB PM10 24 Good 46 50 µg/m3
2:00 AM ADB PM2.5 24 Good 46 8 µg/m3
2:00 AM ALA PM10 24 Good 50 54 µg/m3
2:00 AM ALA PM2.5 24 Moderate 52 9 µg/m3
2:00 AM ASPN O3 8 Good 38 41 PPB
2:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 29 5 µg/m3
2:00 AM AURE O3 8 Good 44 48 PPB
2:00 AM BHWK O3 8 Good 45 49 PPB
2:00 AM BOU PM10 24 Good 32 35 µg/m3
2:00 AM BOU PM2.5 24 Good 37 6 µg/m3
2:00 AM BOUR O3 8 Good 38 41 PPB
2:00 AM CAMP NO2 1 Good 6 6 PPB
2:00 AM CAMP NO2 1 Good 6 6 PPB
2:00 AM CAMP O3 8 Good 33 36 PPB
2:00 AM CAMP PM10 24 Good 18 19 µg/m3
2:00 AM CAMP PM2.5 24 Good 30 5 µg/m3
2:00 AM CAN PM10 24 Good 43 46 µg/m3
2:00 AM CAN PM2.5 24 Good 46 8 µg/m3
2:00 AM CASA CO 8 Good 1 0.1 PPM
2:00 AM CASA NO2 1 Good 6 6 PPB
2:00 AM CASA O3 8 Good 33 36 PPB
2:00 AM CASA PM10 24 Good 24 26 µg/m3
2:00 AM CASA PM2.5 24 Good 36 6 µg/m3
2:00 AM CASA SO2 1 Good 1 1 PPB
2:00 AM CHAT O3 8 Good 39 42 PPB
2:00 AM CHAT PM10 24 Good 25 27 µg/m3
2:00 AM CHAT PM2.5 24 Good 34 6 µg/m3
2:00 AM DELT PM10 24 Good 47 51 µg/m3
2:00 AM DELT PM2.5 24 Good 36 6 µg/m3
2:00 AM DELT PM2.5 24 Good 36 6 µg/m3
2:00 AM EVG O3 8 Good 38 41 PPB
2:00 AM FOS NO2 1 Good 6 6 PPB
2:00 AM FOS O3 8 Good 34 37 PPB
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM FTC O3 8 Good 31 34 PPB
2:00 AM FTCF PM10 24 Good 20 22 µg/m3
2:00 AM FTCF PM2.5 24 Good 28 5 µg/m3
2:00 AM FTCW O3 8 Good 46 50 PPB
2:00 AM GJPB PM10 24 Good 23 25 µg/m3
2:00 AM GJPB PM2.5 24 Good 26 4 µg/m3
2:00 AM GREH PM10 24 Good 22 24 µg/m3
2:00 AM GREH PM2.5 24 Good 38 6 µg/m3
2:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM GRET O3 8 Good 35 38 PPB
2:00 AM HLD O3 8 Good 42 45 PPB
2:00 AM I25DEN CO 8 Good 5 0.4 PPM
2:00 AM I25DEN NO2 1 Good 15 16 PPB
2:00 AM I25DEN PM10 24 Good 27 29 µg/m3
2:00 AM I25DEN PM2.5 24 Good 35 6 µg/m3
2:00 AM I25GLO NO2 1 Good 23 24 PPB
2:00 AM I25GLO PM10 24 Good 32 35 µg/m3
2:00 AM I25GLO PM2.5 24 Good 37 6 µg/m3
2:00 AM LAST NO2 1 Good 10 11 PPB
2:00 AM LAST O3 8 Good 40 43 PPB
2:00 AM LMB PM10 24 Good 38 41 µg/m3
2:00 AM LMB PM2.5 24 Good 47 8 µg/m3
2:00 AM LNGM PM10 24 Good 37 40 µg/m3
2:00 AM LNGM PM2.5 24 Good 39 7 µg/m3
2:00 AM MAN O3 8 Good 44 48 PPB
2:00 AM MFP O3 8 Good 42 45 PPB
2:00 AM NJH PM10 24 Good 36 39 µg/m3
2:00 AM NJH PM2.5 24 Good 43 7 µg/m3
2:00 AM NREL O3 8 Good 43 46 PPB
2:00 AM PAG PM10 24 Good 42 45 µg/m3
2:00 AM PAG PM2.5 24 Good 43 7 µg/m3
2:00 AM PAL O3 8 Good 49 53 PPB
2:00 AM PFS PM10 24 Good 42 45 µg/m3
2:00 AM PFS PM2.5 24 Moderate 53 10 µg/m3
2:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
2:00 AM PWES O3 8 Good 44 48 PPB
2:00 AM RFN NO2 1 Good 1 1 PPB
2:00 AM RFN O3 8 Good 46 50 PPB
2:00 AM RIFL PM2.5 24 Good 45 8 µg/m3
2:00 AM RIFLO3 O3 8 Good 44 47 PPB
2:00 AM SSMB PM10 24 Good 36 39 µg/m3
2:00 AM SSMB PM2.5 24 Good 35 6 µg/m3
2:00 AM TEL PM10 24 Good 34 37 µg/m3
2:00 AM TEL PM2.5 24 Good 29 5 µg/m3
2:00 AM TIM NO2 1 Good 7 7 PPB
2:00 AM TIM O3 8 Good 31 33 PPB
2:00 AM TIM PM10 24 Good 26 28 µg/m3
2:00 AM TIM PM2.5 24 Good 34 6 µg/m3
2:00 AM WBY NO2 1 Good 18 19 PPB
2:00 AM WBY NO2 1 Good 18 19 PPB
2:00 AM WBY O3 8 Good 24 26 PPB
2:00 AM WBY PM10 24 Moderate 54 61 µg/m3
2:00 AM WBY PM2.5 24 Good 44 8 µg/m3
2:00 AM WBY SO2 1 Good 1 1 PPB
2:00 AM WBY SO2 1 Good 1 1 PPB
1:00 AM ACAD O3 8 Good 39 42 PPB
1:00 AM ACC PM10 24 Good 14 15 µg/m3
1:00 AM ACC PM2.5 24 Good 26 4 µg/m3
1:00 AM ADB PM10 24 Good 46 50 µg/m3
1:00 AM ADB PM2.5 24 Good 46 8 µg/m3
1:00 AM ALA PM10 24 Good 50 54 µg/m3
1:00 AM ALA PM2.5 24 Moderate 52 9 µg/m3
1:00 AM ASPN O3 8 Good 39 42 PPB
1:00 AM ASPN2 PM10 24 Good 28 30 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 29 5 µg/m3
1:00 AM AURE O3 8 Good 45 49 PPB
1:00 AM BHWK O3 8 Good 45 49 PPB
1:00 AM BOU PM10 24 Good 32 35 µg/m3
1:00 AM BOU PM2.5 24 Good 38 6 µg/m3
1:00 AM BOUR O3 8 Good 40 43 PPB
1:00 AM CAMP NO2 1 Good 8 9 PPB
1:00 AM CAMP NO2 1 Good 8 9 PPB
1:00 AM CAMP O3 8 Good 35 38 PPB
1:00 AM CAMP PM10 24 Good 17 18 µg/m3
1:00 AM CAMP PM2.5 24 Good 29 5 µg/m3
1:00 AM CAN PM10 24 Good 43 46 µg/m3
1:00 AM CAN PM2.5 24 Good 46 8 µg/m3
1:00 AM CASA CO 8 Good 1 0.1 PPM
1:00 AM CASA NO2 1 Good 9 10 PPB
1:00 AM CASA O3 8 Good 35 38 PPB
1:00 AM CASA PM10 24 Good 24 26 µg/m3
1:00 AM CASA PM2.5 24 Good 35 6 µg/m3
1:00 AM CHAT O3 8 Good 42 45 PPB
1:00 AM CHAT PM10 24 Good 25 27 µg/m3
1:00 AM CHAT PM2.5 24 Good 34 6 µg/m3
1:00 AM DELT PM10 24 Good 47 51 µg/m3
1:00 AM DELT PM2.5 24 Good 37 6 µg/m3
1:00 AM DELT PM2.5 24 Good 37 6 µg/m3
1:00 AM EVG O3 8 Good 41 44 PPB
1:00 AM FOS NO2 1 Good 1 1 PPB
1:00 AM FOS O3 8 Good 37 40 PPB
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM FTC O3 8 Good 35 38 PPB
1:00 AM FTCF PM10 24 Good 19 21 µg/m3
1:00 AM FTCF PM2.5 24 Good 27 4 µg/m3
1:00 AM FTCW O3 8 Good 46 50 PPB
1:00 AM GJPB PM10 24 Good 23 25 µg/m3
1:00 AM GJPB PM2.5 24 Good 27 4 µg/m3
1:00 AM GREH PM10 24 Good 21 23 µg/m3
1:00 AM GREH PM2.5 24 Good 37 6 µg/m3
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM GRET O3 8 Good 40 43 PPB
1:00 AM HLD O3 8 Good 43 46 PPB
1:00 AM I25DEN CO 8 Good 5 0.4 PPM
1:00 AM I25DEN NO2 1 Good 15 16 PPB
1:00 AM I25DEN PM10 24 Good 27 29 µg/m3
1:00 AM I25DEN PM2.5 24 Good 37 6 µg/m3
1:00 AM I25GLO NO2 1 Good 24 25 PPB
1:00 AM I25GLO PM10 24 Good 32 35 µg/m3
1:00 AM I25GLO PM2.5 24 Good 37 6 µg/m3
1:00 AM LAST NO2 1 Good 10 11 PPB
1:00 AM LAST O3 8 Good 44 47 PPB
1:00 AM LMB PM10 24 Good 37 40 µg/m3
1:00 AM LMB PM2.5 24 Good 48 8 µg/m3
1:00 AM LNGM PM10 24 Good 37 40 µg/m3
1:00 AM LNGM PM2.5 24 Good 39 7 µg/m3
1:00 AM MAN O3 8 Good 46 50 PPB
1:00 AM MFP O3 8 Good 43 46 PPB
1:00 AM NJH PM10 24 Good 36 39 µg/m3
1:00 AM NJH PM2.5 24 Good 43 7 µg/m3
1:00 AM NREL O3 8 Good 44 48 PPB
1:00 AM PAG PM10 24 Good 41 44 µg/m3
1:00 AM PAG PM2.5 24 Good 44 8 µg/m3
1:00 AM PAL O3 8 Good 48 52 PPB
1:00 AM PFS PM10 24 Good 41 44 µg/m3
1:00 AM PFS PM2.5 24 Moderate 52 9 µg/m3
1:00 AM PMS PM2.5 24 Moderate 51 9 µg/m3
1:00 AM PWES O3 8 Good 45 49 PPB
1:00 AM RFN O3 8 Good 46 50 PPB
1:00 AM RIFL PM2.5 24 Good 45 8 µg/m3
1:00 AM RIFLO3 O3 8 Good 42 45 PPB
1:00 AM SSMB PM10 24 Good 36 39 µg/m3
1:00 AM SSMB PM2.5 24 Good 36 6 µg/m3
1:00 AM TEL PM10 24 Good 35 38 µg/m3
1:00 AM TEL PM2.5 24 Good 31 5 µg/m3
1:00 AM TIM NO2 1 Good 6 6 PPB
1:00 AM TIM O3 8 Good 35 38 PPB
1:00 AM TIM PM10 24 Good 25 27 µg/m3
1:00 AM TIM PM2.5 24 Good 33 6 µg/m3
1:00 AM WBY NO2 1 Good 17 18 PPB
1:00 AM WBY NO2 1 Good 17 18 PPB
1:00 AM WBY O3 8 Good 28 30 PPB
1:00 AM WBY PM10 24 Moderate 54 62 µg/m3
1:00 AM WBY PM2.5 24 Good 44 8 µg/m3
1:00 AM WBY SO2 1 Good 1 1 PPB
1:00 AM WBY SO2 1 Good 1 1 PPB

* All data are reported in Mountain Standard Time (MST). During daylight savings time add one hour to the reported hour.