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AQI Calculations on 05/20/2026 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 28 30 PPB
7:00 AM ACC PM10 24 Good 4 4 µg/m3
7:00 AM ACC PM2.5 24 Good 20 3 µg/m3
7:00 AM ADB PM10 24 Good 8 9 µg/m3
7:00 AM ADB PM2.5 24 Good 24 4 µg/m3
7:00 AM ALA PM10 24 Good 21 23 µg/m3
7:00 AM ALA PM2.5 24 Good 22 4 µg/m3
7:00 AM ASPN O3 8 Good 17 18 PPB
7:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
7:00 AM ASPN2 PM2.5 24 Good 13 2 µg/m3
7:00 AM AURE O3 8 Good 31 34 PPB
7:00 AM BHWK O3 8 Good 25 27 PPB
7:00 AM BOU PM10 24 Good 5 5 µg/m3
7:00 AM BOU PM2.5 24 Good 18 3 µg/m3
7:00 AM BOUR O3 8 Good 19 20 PPB
7:00 AM CAMP NO2 1 Good 28 30 PPB
7:00 AM CAMP NO2 1 Good 28 30 PPB
7:00 AM CAMP O3 8 Good 21 23 PPB
7:00 AM CAMP PM10 24 Good 5 5 µg/m3
7:00 AM CAMP PM2.5 24 Good 26 4 µg/m3
7:00 AM CAMP SO2 1 Good 1 1 PPB
7:00 AM CAMP SO2 1 Good 1 1 PPB
7:00 AM CAN PM10 24 Good 7 8 µg/m3
7:00 AM CAN PM2.5 24 Good 16 2 µg/m3
7:00 AM CASA CO 8 Good 1 0.1 PPM
7:00 AM CASA NO2 1 Good 11 12 PPB
7:00 AM CASA O3 8 Good 22 24 PPB
7:00 AM CASA PM2.5 24 Good 22 4 µg/m3
7:00 AM CCOL PM10 24 Good 6 7 µg/m3
7:00 AM CCOL PM2.5 24 Good 16 2 µg/m3
7:00 AM CHAT O3 8 Good 27 29 PPB
7:00 AM CHAT PM10 24 Good 5 5 µg/m3
7:00 AM CHAT PM2.5 24 Good 17 3 µg/m3
7:00 AM CTZ O3 8 Good 25 27 PPB
7:00 AM DELT PM10 24 Good 8 9 µg/m3
7:00 AM DELT PM2.5 24 Good 12 2 µg/m3
7:00 AM DELT PM2.5 24 Good 12 2 µg/m3
7:00 AM EVG O3 8 Good 19 20 PPB
7:00 AM FOS NO2 1 Good 4 4 PPB
7:00 AM FOS O3 8 Good 21 23 PPB
7:00 AM FTC CO 8 Good 1 0.1 PPM
7:00 AM FTC O3 8 Good 22 24 PPB
7:00 AM FTCF PM10 24 Good 5 5 µg/m3
7:00 AM FTCF PM2.5 24 Good 25 4 µg/m3
7:00 AM FTCW O3 8 Good 23 25 PPB
7:00 AM GJPB PM10 24 Good 3 3 µg/m3
7:00 AM GJPB PM2.5 24 Good 9 1 µg/m3
7:00 AM GREH PM10 24 Good 4 4 µg/m3
7:00 AM GREH PM2.5 24 Good 22 4 µg/m3
7:00 AM GRET CO 8 Good 1 0.1 PPM
7:00 AM GRET O3 8 Good 25 27 PPB
7:00 AM HLD O3 8 Good 31 33 PPB
7:00 AM I25DEN CO 8 Good 2 0.2 PPM
7:00 AM I25DEN NO2 1 Good 18 19 PPB
7:00 AM I25DEN PM10 24 Good 12 13 µg/m3
7:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
7:00 AM LAST NO2 1 Good 3 3 PPB
7:00 AM LAST O3 8 Good 21 23 PPB
7:00 AM LMB PM10 24 Good 21 23 µg/m3
7:00 AM LMB PM2.5 24 Good 16 2 µg/m3
7:00 AM LNGM PM10 24 Good 7 8 µg/m3
7:00 AM LNGM PM2.5 24 Good 26 4 µg/m3
7:00 AM MAN O3 8 Good 31 33 PPB
7:00 AM MFP NO2 1 Good 4 4 PPB
7:00 AM MFP O3 8 Good 26 28 PPB
7:00 AM NJH PM10 24 Good 7 8 µg/m3
7:00 AM NJH PM2.5 24 Good 21 3 µg/m3
7:00 AM NREL O3 8 Good 23 25 PPB
7:00 AM PAG PM10 24 Good 28 30 µg/m3
7:00 AM PAG PM2.5 24 Good 27 4 µg/m3
7:00 AM PAL O3 8 Good 29 31 PPB
7:00 AM PFS PM10 24 Good 7 8 µg/m3
7:00 AM PFS PM2.5 24 Good 11 1 µg/m3
7:00 AM PMS PM2.5 24 Good 19 3 µg/m3
7:00 AM PWES O3 8 Good 27 29 PPB
7:00 AM RFN NO2 1 Good 2 2 PPB
7:00 AM RFN O3 8 Good 22 24 PPB
7:00 AM RIFLO3 O3 8 Good 16 17 PPB
7:00 AM SSMB PM10 24 Good 4 4 µg/m3
7:00 AM SSMB PM2.5 24 Good 10 1 µg/m3
7:00 AM TEL PM10 24 Good 19 21 µg/m3
7:00 AM TEL PM2.5 24 Good 18 3 µg/m3
7:00 AM TIM NO2 1 Good 3 3 PPB
7:00 AM TIM O3 8 Good 25 27 PPB
7:00 AM TIM PM10 24 Good 6 6 µg/m3
7:00 AM TIM PM2.5 24 Good 22 3 µg/m3
7:00 AM WBY NO2 1 Good 17 18 PPB
7:00 AM WBY NO2 1 Good 17 18 PPB
7:00 AM WBY O3 8 Good 21 23 PPB
7:00 AM WBY PM10 24 Good 7 8 µg/m3
7:00 AM WBY PM2.5 24 Good 21 3 µg/m3
6:00 AM ACAD O3 8 Good 29 31 PPB
6:00 AM ACC PM10 24 Good 4 4 µg/m3
6:00 AM ACC PM2.5 24 Good 19 3 µg/m3
6:00 AM ADB PM10 24 Good 8 9 µg/m3
6:00 AM ADB PM2.5 24 Good 24 4 µg/m3
6:00 AM ALA PM10 24 Good 21 23 µg/m3
6:00 AM ALA PM2.5 24 Good 22 3 µg/m3
6:00 AM ASPN O3 8 Good 19 20 PPB
6:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
6:00 AM ASPN2 PM2.5 24 Good 13 2 µg/m3
6:00 AM AURE O3 8 Good 31 34 PPB
6:00 AM BHWK O3 8 Good 25 27 PPB
6:00 AM BOU PM10 24 Good 5 5 µg/m3
6:00 AM BOU PM2.5 24 Good 18 3 µg/m3
6:00 AM BOUR O3 8 Good 18 19 PPB
6:00 AM CAMP NO2 1 Good 10 11 PPB
6:00 AM CAMP NO2 1 Good 10 11 PPB
6:00 AM CAMP O3 8 Good 23 25 PPB
6:00 AM CAMP PM10 24 Good 5 5 µg/m3
6:00 AM CAMP PM2.5 24 Good 25 4 µg/m3
6:00 AM CAN PM10 24 Good 7 8 µg/m3
6:00 AM CAN PM2.5 24 Good 16 2 µg/m3
6:00 AM CASA CO 8 Good 1 0.1 PPM
6:00 AM CASA NO2 1 Good 15 16 PPB
6:00 AM CASA O3 8 Good 21 23 PPB
6:00 AM CASA PM2.5 24 Good 22 4 µg/m3
6:00 AM CCOL PM10 24 Good 6 7 µg/m3
6:00 AM CCOL PM2.5 24 Good 15 2 µg/m3
6:00 AM CHAT O3 8 Good 26 28 PPB
6:00 AM CHAT PM10 24 Good 5 5 µg/m3
6:00 AM CHAT PM2.5 24 Good 17 3 µg/m3
6:00 AM CTZ O3 8 Good 27 29 PPB
6:00 AM DELT PM10 24 Good 8 9 µg/m3
6:00 AM DELT PM2.5 24 Good 11 1 µg/m3
6:00 AM DELT PM2.5 24 Good 11 1 µg/m3
6:00 AM EVG O3 8 Good 19 20 PPB
6:00 AM FOS NO2 1 Good 4 4 PPB
6:00 AM FOS O3 8 Good 20 22 PPB
6:00 AM FTC CO 8 Good 1 0.1 PPM
6:00 AM FTC O3 8 Good 22 24 PPB
6:00 AM FTCF PM10 24 Good 5 5 µg/m3
6:00 AM FTCF PM2.5 24 Good 25 4 µg/m3
6:00 AM FTCW O3 8 Good 23 25 PPB
6:00 AM GJPB PM10 24 Good 3 3 µg/m3
6:00 AM GJPB PM2.5 24 Good 9 1 µg/m3
6:00 AM GREH PM10 24 Good 4 4 µg/m3
6:00 AM GREH PM2.5 24 Good 22 4 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 30 32 PPB
6:00 AM I25DEN CO 8 Good 2 0.2 PPM
6:00 AM I25DEN NO2 1 Good 24 25 PPB
6:00 AM I25DEN PM10 24 Good 12 13 µg/m3
6:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
6:00 AM LAST NO2 1 Good 5 5 PPB
6:00 AM LAST O3 8 Good 21 23 PPB
6:00 AM LMB PM10 24 Good 20 22 µg/m3
6:00 AM LMB PM2.5 24 Good 14 2 µg/m3
6:00 AM LNGM PM10 24 Good 7 8 µg/m3
6:00 AM LNGM PM2.5 24 Good 26 4 µg/m3
6:00 AM MAN O3 8 Good 31 33 PPB
6:00 AM MFP NO2 1 Good 4 4 PPB
6:00 AM MFP O3 8 Good 26 28 PPB
6:00 AM NJH PM10 24 Good 7 8 µg/m3
6:00 AM NJH PM2.5 24 Good 20 3 µg/m3
6:00 AM NREL O3 8 Good 23 25 PPB
6:00 AM PAG PM10 24 Good 29 31 µg/m3
6:00 AM PAG PM2.5 24 Good 28 5 µg/m3
6:00 AM PAL O3 8 Good 31 33 PPB
6:00 AM PFS PM10 24 Good 7 8 µg/m3
6:00 AM PFS PM2.5 24 Good 11 1 µg/m3
6:00 AM PMS PM2.5 24 Good 19 3 µg/m3
6:00 AM PWES O3 8 Good 28 30 PPB
6:00 AM RFN NO2 1 Good 2 2 PPB
6:00 AM RFN O3 8 Good 22 24 PPB
6:00 AM RIFLO3 O3 8 Good 19 20 PPB
6:00 AM SSMB PM10 24 Good 4 4 µg/m3
6:00 AM SSMB PM2.5 24 Good 9 1 µg/m3
6:00 AM TEL PM10 24 Good 19 21 µg/m3
6:00 AM TEL PM2.5 24 Good 18 3 µg/m3
6:00 AM TIM NO2 1 Good 2 2 PPB
6:00 AM TIM O3 8 Good 25 27 PPB
6:00 AM TIM PM10 24 Good 6 6 µg/m3
6:00 AM TIM PM2.5 24 Good 22 3 µg/m3
6:00 AM WBY NO2 1 Good 14 15 PPB
6:00 AM WBY NO2 1 Good 14 15 PPB
6:00 AM WBY O3 8 Good 21 23 PPB
6:00 AM WBY PM10 24 Good 6 7 µg/m3
6:00 AM WBY PM2.5 24 Good 20 3 µg/m3
5:00 AM ACAD O3 8 Good 29 31 PPB
5:00 AM ACC PM10 24 Good 4 4 µg/m3
5:00 AM ACC PM2.5 24 Good 19 3 µg/m3
5:00 AM ADB PM10 24 Good 8 9 µg/m3
5:00 AM ADB PM2.5 24 Good 23 4 µg/m3
5:00 AM ALA PM10 24 Good 20 22 µg/m3
5:00 AM ALA PM2.5 24 Good 22 3 µg/m3
5:00 AM ASPN O3 8 Good 21 23 PPB
5:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 13 2 µg/m3
5:00 AM AURE O3 8 Good 31 33 PPB
5:00 AM BHWK O3 8 Good 25 27 PPB
5:00 AM BOU PM10 24 Good 5 5 µg/m3
5:00 AM BOU PM2.5 24 Good 19 3 µg/m3
5:00 AM BOUR O3 8 Good 17 18 PPB
5:00 AM CAMP NO2 1 Good 7 7 PPB
5:00 AM CAMP NO2 1 Good 7 7 PPB
5:00 AM CAMP O3 8 Good 22 24 PPB
5:00 AM CAMP PM10 24 Good 5 5 µg/m3
5:00 AM CAMP PM2.5 24 Good 25 4 µg/m3
5:00 AM CAN PM10 24 Good 6 7 µg/m3
5:00 AM CAN PM2.5 24 Good 16 2 µg/m3
5:00 AM CASA CO 8 Good 1 0.1 PPM
5:00 AM CASA NO2 1 Good 5 5 PPB
5:00 AM CASA O3 8 Good 21 23 PPB
5:00 AM CASA PM2.5 24 Good 22 4 µg/m3
5:00 AM CCOL PM10 24 Good 6 7 µg/m3
5:00 AM CCOL PM2.5 24 Good 14 2 µg/m3
5:00 AM CHAT O3 8 Good 26 28 PPB
5:00 AM CHAT PM10 24 Good 5 5 µg/m3
5:00 AM CHAT PM2.5 24 Good 17 3 µg/m3
5:00 AM CTZ O3 8 Good 30 32 PPB
5:00 AM DELT PM10 24 Good 7 8 µg/m3
5:00 AM DELT PM2.5 24 Good 11 1 µg/m3
5:00 AM DELT PM2.5 24 Good 11 1 µg/m3
5:00 AM EVG O3 8 Good 19 21 PPB
5:00 AM FOS NO2 1 Good 5 5 PPB
5:00 AM FOS O3 8 Good 20 22 PPB
5:00 AM FTC CO 8 Good 1 0.1 PPM
5:00 AM FTC O3 8 Good 23 25 PPB
5:00 AM FTCF PM10 24 Good 5 5 µg/m3
5:00 AM FTCF PM2.5 24 Good 24 4 µg/m3
5:00 AM FTCW O3 8 Good 24 26 PPB
5:00 AM GJPB PM10 24 Good 3 3 µg/m3
5:00 AM GJPB PM2.5 24 Good 8 1 µg/m3
5:00 AM GREH PM10 24 Good 4 4 µg/m3
5:00 AM GREH PM2.5 24 Good 22 3 µg/m3
5:00 AM GRET CO 8 Good 1 0.1 PPM
5:00 AM GRET O3 8 Good 25 27 PPB
5:00 AM HLD O3 8 Good 28 30 PPB
5:00 AM I25DEN CO 8 Good 2 0.2 PPM
5:00 AM I25DEN NO2 1 Good 16 17 PPB
5:00 AM I25DEN PM10 24 Good 12 13 µg/m3
5:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
5:00 AM LAST NO2 1 Good 4 4 PPB
5:00 AM LAST O3 8 Good 21 23 PPB
5:00 AM LMB PM10 24 Good 20 22 µg/m3
5:00 AM LMB PM2.5 24 Good 14 2 µg/m3
5:00 AM LNGM PM10 24 Good 6 7 µg/m3
5:00 AM LNGM PM2.5 24 Good 26 4 µg/m3
5:00 AM MAN O3 8 Good 31 34 PPB
5:00 AM MFP NO2 1 Good 4 4 PPB
5:00 AM MFP O3 8 Good 26 28 PPB
5:00 AM NJH PM10 24 Good 7 8 µg/m3
5:00 AM NJH PM2.5 24 Good 20 3 µg/m3
5:00 AM NREL O3 8 Good 23 25 PPB
5:00 AM PAG PM10 24 Good 29 31 µg/m3
5:00 AM PAG PM2.5 24 Good 28 5 µg/m3
5:00 AM PAL O3 8 Good 32 35 PPB
5:00 AM PFS PM10 24 Good 6 7 µg/m3
5:00 AM PFS PM2.5 24 Good 10 1 µg/m3
5:00 AM PMS PM2.5 24 Good 19 3 µg/m3
5:00 AM PWES O3 8 Good 28 30 PPB
5:00 AM RFN NO2 1 Good 3 3 PPB
5:00 AM RFN O3 8 Good 21 23 PPB
5:00 AM RIFLO3 O3 8 Good 21 23 PPB
5:00 AM SSMB PM10 24 Good 4 4 µg/m3
5:00 AM SSMB PM2.5 24 Good 9 1 µg/m3
5:00 AM TEL PM10 24 Good 20 22 µg/m3
5:00 AM TEL PM2.5 24 Good 19 3 µg/m3
5:00 AM TIM NO2 1 Good 4 4 PPB
5:00 AM TIM O3 8 Good 25 27 PPB
5:00 AM TIM PM10 24 Good 6 6 µg/m3
5:00 AM TIM PM2.5 24 Good 22 3 µg/m3
5:00 AM WBY NO2 1 Good 8 9 PPB
5:00 AM WBY NO2 1 Good 8 9 PPB
5:00 AM WBY O3 8 Good 21 23 PPB
5:00 AM WBY PM10 24 Good 6 7 µg/m3
5:00 AM WBY PM2.5 24 Good 19 3 µg/m3
4:00 AM ACAD O3 8 Good 29 31 PPB
4:00 AM ACC PM10 24 Good 4 4 µg/m3
4:00 AM ACC PM2.5 24 Good 19 3 µg/m3
4:00 AM ADB PM10 24 Good 8 9 µg/m3
4:00 AM ADB PM2.5 24 Good 23 4 µg/m3
4:00 AM ALA PM10 24 Good 20 22 µg/m3
4:00 AM ALA PM2.5 24 Good 22 3 µg/m3
4:00 AM ASPN O3 8 Good 23 25 PPB
4:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 13 2 µg/m3
4:00 AM AURE O3 8 Good 31 33 PPB
4:00 AM BHWK O3 8 Good 25 27 PPB
4:00 AM BOU PM10 24 Good 5 5 µg/m3
4:00 AM BOU PM2.5 24 Good 19 3 µg/m3
4:00 AM BOUR O3 8 Good 17 18 PPB
4:00 AM CAMP NO2 1 Good 3 3 PPB
4:00 AM CAMP NO2 1 Good 3 3 PPB
4:00 AM CAMP O3 8 Good 21 23 PPB
4:00 AM CAMP PM10 24 Good 5 5 µg/m3
4:00 AM CAMP PM2.5 24 Good 25 4 µg/m3
4:00 AM CAN PM10 24 Good 6 7 µg/m3
4:00 AM CAN PM2.5 24 Good 15 2 µg/m3
4:00 AM CASA CO 8 Good 1 0.1 PPM
4:00 AM CASA NO2 1 Good 5 5 PPB
4:00 AM CASA O3 8 Good 19 21 PPB
4:00 AM CASA PM2.5 24 Good 22 4 µg/m3
4:00 AM CCOL PM10 24 Good 6 6 µg/m3
4:00 AM CCOL PM2.5 24 Good 14 2 µg/m3
4:00 AM CHAT O3 8 Good 25 27 PPB
4:00 AM CHAT PM10 24 Good 5 5 µg/m3
4:00 AM CHAT PM2.5 24 Good 17 3 µg/m3
4:00 AM CTZ O3 8 Good 31 34 PPB
4:00 AM DELT PM10 24 Good 7 8 µg/m3
4:00 AM DELT PM2.5 24 Good 10 1 µg/m3
4:00 AM DELT PM2.5 24 Good 10 1 µg/m3
4:00 AM EVG O3 8 Good 20 22 PPB
4:00 AM FOS NO2 1 Good 3 3 PPB
4:00 AM FOS O3 8 Good 21 23 PPB
4:00 AM FTC CO 8 Good 1 0.1 PPM
4:00 AM FTC O3 8 Good 22 24 PPB
4:00 AM FTCF PM10 24 Good 4 4 µg/m3
4:00 AM FTCF PM2.5 24 Good 23 4 µg/m3
4:00 AM FTCW O3 8 Good 24 26 PPB
4:00 AM GJPB PM10 24 Good 2 2 µg/m3
4:00 AM GJPB PM2.5 24 Good 8 1 µg/m3
4:00 AM GREH PM10 24 Good 4 4 µg/m3
4:00 AM GREH PM2.5 24 Good 22 3 µg/m3
4:00 AM GRET CO 8 Good 1 0.1 PPM
4:00 AM GRET O3 8 Good 25 27 PPB
4:00 AM HLD O3 8 Good 26 28 PPB
4:00 AM I25DEN CO 8 Good 2 0.2 PPM
4:00 AM I25DEN NO2 1 Good 10 11 PPB
4:00 AM I25DEN PM10 24 Good 12 13 µg/m3
4:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
4:00 AM LAST NO2 1 Good 3 3 PPB
4:00 AM LAST O3 8 Good 22 24 PPB
4:00 AM LMB PM10 24 Good 19 20 µg/m3
4:00 AM LMB PM2.5 24 Good 13 2 µg/m3
4:00 AM LNGM PM10 24 Good 6 7 µg/m3
4:00 AM LNGM PM2.5 24 Good 25 4 µg/m3
4:00 AM MAN O3 8 Good 31 33 PPB
4:00 AM MFP NO2 1 Good 3 3 PPB
4:00 AM MFP O3 8 Good 26 28 PPB
4:00 AM NJH PM10 24 Good 7 8 µg/m3
4:00 AM NJH PM2.5 24 Good 20 3 µg/m3
4:00 AM NREL O3 8 Good 23 25 PPB
4:00 AM PAG PM10 24 Good 30 32 µg/m3
4:00 AM PAG PM2.5 24 Good 28 5 µg/m3
4:00 AM PAL O3 8 Good 34 37 PPB
4:00 AM PFS PM10 24 Good 6 7 µg/m3
4:00 AM PFS PM2.5 24 Good 9 1 µg/m3
4:00 AM PMS PM2.5 24 Good 19 3 µg/m3
4:00 AM PWES O3 8 Good 29 31 PPB
4:00 AM RFN NO2 1 Good 1 1 PPB
4:00 AM RFN O3 8 Good 20 22 PPB
4:00 AM RIFLO3 O3 8 Good 25 27 PPB
4:00 AM SSMB PM10 24 Good 4 4 µg/m3
4:00 AM SSMB PM2.5 24 Good 9 1 µg/m3
4:00 AM TEL PM10 24 Good 20 22 µg/m3
4:00 AM TEL PM2.5 24 Good 19 3 µg/m3
4:00 AM TIM NO2 1 Good 2 2 PPB
4:00 AM TIM O3 8 Good 25 27 PPB
4:00 AM TIM PM10 24 Good 6 6 µg/m3
4:00 AM TIM PM2.5 24 Good 21 3 µg/m3
4:00 AM WBY NO2 1 Good 4 4 PPB
4:00 AM WBY NO2 1 Good 4 4 PPB
4:00 AM WBY O3 8 Good 21 23 PPB
4:00 AM WBY PM10 24 Good 6 7 µg/m3
4:00 AM WBY PM2.5 24 Good 19 3 µg/m3
3:00 AM ACAD O3 8 Good 28 30 PPB
3:00 AM ACC PM10 24 Good 4 4 µg/m3
3:00 AM ACC PM2.5 24 Good 20 3 µg/m3
3:00 AM ADB PM10 24 Good 8 9 µg/m3
3:00 AM ADB PM2.5 24 Good 23 4 µg/m3
3:00 AM ALA PM10 24 Good 22 24 µg/m3
3:00 AM ALA PM2.5 24 Good 22 4 µg/m3
3:00 AM ASPN O3 8 Good 27 29 PPB
3:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 12 2 µg/m3
3:00 AM AURE O3 8 Good 31 33 PPB
3:00 AM BHWK O3 8 Good 24 26 PPB
3:00 AM BOU PM10 24 Good 5 5 µg/m3
3:00 AM BOU PM2.5 24 Good 19 3 µg/m3
3:00 AM BOUR O3 8 Good 17 18 PPB
3:00 AM CAMP NO2 1 Good 3 3 PPB
3:00 AM CAMP NO2 1 Good 3 3 PPB
3:00 AM CAMP O3 8 Good 19 21 PPB
3:00 AM CAMP PM10 24 Good 5 5 µg/m3
3:00 AM CAMP PM2.5 24 Good 24 4 µg/m3
3:00 AM CAN PM10 24 Good 6 7 µg/m3
3:00 AM CAN PM2.5 24 Good 15 2 µg/m3
3:00 AM CASA CO 8 Good 1 0.1 PPM
3:00 AM CASA NO2 1 Good 8 9 PPB
3:00 AM CASA O3 8 Good 19 20 PPB
3:00 AM CASA PM2.5 24 Good 22 4 µg/m3
3:00 AM CCOL PM10 24 Good 6 6 µg/m3
3:00 AM CCOL PM2.5 24 Good 13 2 µg/m3
3:00 AM CHAT O3 8 Good 24 26 PPB
3:00 AM CHAT PM10 24 Good 5 5 µg/m3
3:00 AM CHAT PM2.5 24 Good 18 3 µg/m3
3:00 AM CTZ O3 8 Good 34 37 PPB
3:00 AM DELT PM10 24 Good 6 7 µg/m3
3:00 AM DELT PM2.5 24 Good 10 1 µg/m3
3:00 AM DELT PM2.5 24 Good 10 1 µg/m3
3:00 AM EVG O3 8 Good 20 22 PPB
3:00 AM FOS NO2 1 Good 3 3 PPB
3:00 AM FOS O3 8 Good 22 24 PPB
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM FTC O3 8 Good 22 24 PPB
3:00 AM FTCF PM10 24 Good 4 4 µg/m3
3:00 AM FTCF PM2.5 24 Good 22 4 µg/m3
3:00 AM FTCW O3 8 Good 25 27 PPB
3:00 AM GJPB PM10 24 Good 2 2 µg/m3
3:00 AM GJPB PM2.5 24 Good 8 1 µg/m3
3:00 AM GREH PM10 24 Good 4 4 µg/m3
3:00 AM GREH PM2.5 24 Good 22 3 µg/m3
3:00 AM GRET CO 8 Good 1 0.1 PPM
3:00 AM GRET O3 8 Good 26 28 PPB
3:00 AM HLD O3 8 Good 25 27 PPB
3:00 AM I25DEN CO 8 Good 2 0.2 PPM
3:00 AM I25DEN NO2 1 Good 8 9 PPB
3:00 AM I25DEN PM10 24 Good 12 13 µg/m3
3:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
3:00 AM LAST NO2 1 Good 3 3 PPB
3:00 AM LAST O3 8 Good 22 24 PPB
3:00 AM LMB PM10 24 Good 18 19 µg/m3
3:00 AM LMB PM2.5 24 Good 12 2 µg/m3
3:00 AM LNGM PM10 24 Good 6 7 µg/m3
3:00 AM LNGM PM2.5 24 Good 24 4 µg/m3
3:00 AM MAN O3 8 Good 30 32 PPB
3:00 AM MFP NO2 1 Good 3 3 PPB
3:00 AM MFP O3 8 Good 26 28 PPB
3:00 AM NJH PM10 24 Good 6 7 µg/m3
3:00 AM NJH PM2.5 24 Good 20 3 µg/m3
3:00 AM NREL O3 8 Good 22 24 PPB
3:00 AM PAG PM10 24 Good 30 32 µg/m3
3:00 AM PAG PM2.5 24 Good 28 5 µg/m3
3:00 AM PAL O3 8 Good 35 38 PPB
3:00 AM PFS PM10 24 Good 6 6 µg/m3
3:00 AM PFS PM2.5 24 Good 9 1 µg/m3
3:00 AM PMS PM2.5 24 Good 18 3 µg/m3
3:00 AM PWES O3 8 Good 28 30 PPB
3:00 AM RFN NO2 1 Good 2 2 PPB
3:00 AM RFN O3 8 Good 19 21 PPB
3:00 AM RIFLO3 O3 8 Good 28 30 PPB
3:00 AM SSMB PM10 24 Good 4 4 µg/m3
3:00 AM SSMB PM2.5 24 Good 9 1 µg/m3
3:00 AM TEL PM10 24 Good 20 22 µg/m3
3:00 AM TEL PM2.5 24 Good 19 3 µg/m3
3:00 AM TIM NO2 1 Good 1 1 PPB
3:00 AM TIM O3 8 Good 26 28 PPB
3:00 AM TIM PM10 24 Good 6 6 µg/m3
3:00 AM TIM PM2.5 24 Good 20 3 µg/m3
3:00 AM WBY NO2 1 Good 3 3 PPB
3:00 AM WBY NO2 1 Good 3 3 PPB
3:00 AM WBY O3 8 Good 20 22 PPB
3:00 AM WBY PM10 24 Good 6 7 µg/m3
3:00 AM WBY PM2.5 24 Good 19 3 µg/m3
2:00 AM ACAD O3 8 Good 28 30 PPB
2:00 AM ACC PM10 24 Good 4 4 µg/m3
2:00 AM ACC PM2.5 24 Good 20 3 µg/m3
2:00 AM ADB PM10 24 Good 7 8 µg/m3
2:00 AM ADB PM2.5 24 Good 22 4 µg/m3
2:00 AM ALA PM10 24 Good 24 26 µg/m3
2:00 AM ALA PM2.5 24 Good 23 4 µg/m3
2:00 AM ASPN O3 8 Good 30 32 PPB
2:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 12 2 µg/m3
2:00 AM AURE O3 8 Good 31 33 PPB
2:00 AM BHWK O3 8 Good 23 25 PPB
2:00 AM BOU PM10 24 Good 5 5 µg/m3
2:00 AM BOU PM2.5 24 Good 18 3 µg/m3
2:00 AM BOUR O3 8 Good 18 19 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 18 19 PPB
2:00 AM CAMP PM10 24 Good 5 5 µg/m3
2:00 AM CAMP PM2.5 24 Good 24 4 µg/m3
2:00 AM CAN PM10 24 Good 6 7 µg/m3
2:00 AM CAN PM2.5 24 Good 15 2 µg/m3
2:00 AM CASA CO 8 Good 1 0.1 PPM
2:00 AM CASA NO2 1 Good 9 10 PPB
2:00 AM CASA O3 8 Good 19 20 PPB
2:00 AM CASA PM2.5 24 Good 22 4 µg/m3
2:00 AM CCOL PM10 24 Good 6 6 µg/m3
2:00 AM CCOL PM2.5 24 Good 13 2 µg/m3
2:00 AM CHAT O3 8 Good 23 25 PPB
2:00 AM CHAT PM10 24 Good 5 5 µg/m3
2:00 AM CHAT PM2.5 24 Good 18 3 µg/m3
2:00 AM CTZ O3 8 Good 36 39 PPB
2:00 AM DELT PM10 24 Good 6 7 µg/m3
2:00 AM DELT PM2.5 24 Good 9 1 µg/m3
2:00 AM DELT PM2.5 24 Good 9 1 µg/m3
2:00 AM EVG O3 8 Good 21 23 PPB
2:00 AM FOS NO2 1 Good 2 2 PPB
2:00 AM FOS O3 8 Good 23 25 PPB
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM FTC O3 8 Good 23 25 PPB
2:00 AM FTCF PM10 24 Good 4 4 µg/m3
2:00 AM FTCF PM2.5 24 Good 22 3 µg/m3
2:00 AM FTCW O3 8 Good 26 28 PPB
2:00 AM GJPB PM10 24 Good 2 2 µg/m3
2:00 AM GJPB PM2.5 24 Good 8 1 µg/m3
2:00 AM GREH PM10 24 Good 4 4 µg/m3
2:00 AM GREH PM2.5 24 Good 21 3 µg/m3
2:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM GRET O3 8 Good 27 29 PPB
2:00 AM HLD O3 8 Good 24 26 PPB
2:00 AM I25DEN CO 8 Good 2 0.2 PPM
2:00 AM I25DEN NO2 1 Good 10 11 PPB
2:00 AM I25DEN PM10 24 Good 12 13 µg/m3
2:00 AM I25DEN PM2.5 24 Good 28 5 µg/m3
2:00 AM LAST NO2 1 Good 4 4 PPB
2:00 AM LAST O3 8 Good 23 25 PPB
2:00 AM LMB PM10 24 Good 17 18 µg/m3
2:00 AM LMB PM2.5 24 Good 11 1 µg/m3
2:00 AM LNGM PM10 24 Good 6 7 µg/m3
2:00 AM LNGM PM2.5 24 Good 23 4 µg/m3
2:00 AM MAN O3 8 Good 28 30 PPB
2:00 AM MFP NO2 1 Good 2 2 PPB
2:00 AM MFP O3 8 Good 26 28 PPB
2:00 AM NJH PM10 24 Good 6 7 µg/m3
2:00 AM NJH PM2.5 24 Good 20 3 µg/m3
2:00 AM NREL O3 8 Good 21 23 PPB
2:00 AM PAG PM10 24 Good 31 33 µg/m3
2:00 AM PAG PM2.5 24 Good 29 5 µg/m3
2:00 AM PAL O3 8 Good 37 40 PPB
2:00 AM PFS PM10 24 Good 6 6 µg/m3
2:00 AM PFS PM2.5 24 Good 9 1 µg/m3
2:00 AM PMS PM2.5 24 Good 18 3 µg/m3
2:00 AM PWES O3 8 Good 28 30 PPB
2:00 AM RFN NO2 1 Good 4 4 PPB
2:00 AM RFN O3 8 Good 19 20 PPB
2:00 AM RIFLO3 O3 8 Good 31 33 PPB
2:00 AM SSMB PM10 24 Good 4 4 µg/m3
2:00 AM SSMB PM2.5 24 Good 9 1 µg/m3
2:00 AM TEL PM10 24 Good 20 22 µg/m3
2:00 AM TEL PM2.5 24 Good 19 3 µg/m3
2:00 AM TIM NO2 1 Good 1 1 PPB
2:00 AM TIM O3 8 Good 27 29 PPB
2:00 AM TIM PM10 24 Good 5 5 µg/m3
2:00 AM TIM PM2.5 24 Good 20 3 µg/m3
2:00 AM WBY NO2 1 Good 7 7 PPB
2:00 AM WBY NO2 1 Good 7 7 PPB
2:00 AM WBY O3 8 Good 20 22 PPB
2:00 AM WBY PM10 24 Good 6 7 µg/m3
2:00 AM WBY PM2.5 24 Good 19 3 µg/m3
1:00 AM ACAD O3 8 Good 28 30 PPB
1:00 AM ACC PM10 24 Good 4 4 µg/m3
1:00 AM ACC PM2.5 24 Good 19 3 µg/m3
1:00 AM ADB PM10 24 Good 7 8 µg/m3
1:00 AM ADB PM2.5 24 Good 21 3 µg/m3
1:00 AM ALA PM10 24 Good 26 28 µg/m3
1:00 AM ALA PM2.5 24 Good 26 4 µg/m3
1:00 AM ASPN O3 8 Good 32 35 PPB
1:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 12 2 µg/m3
1:00 AM AURE O3 8 Good 31 33 PPB
1:00 AM BHWK O3 8 Good 23 25 PPB
1:00 AM BOU PM10 24 Good 5 5 µg/m3
1:00 AM BOU PM2.5 24 Good 18 3 µg/m3
1:00 AM BOUR O3 8 Good 19 21 PPB
1:00 AM CAMP NO2 1 Good 9 10 PPB
1:00 AM CAMP NO2 1 Good 9 10 PPB
1:00 AM CAMP O3 8 Good 18 19 PPB
1:00 AM CAMP PM10 24 Good 5 5 µg/m3
1:00 AM CAMP PM2.5 24 Good 24 4 µg/m3
1:00 AM CAN PM10 24 Good 6 7 µg/m3
1:00 AM CAN PM2.5 24 Good 15 2 µg/m3
1:00 AM CASA CO 8 Good 1 0.1 PPM
1:00 AM CASA NO2 1 Good 13 14 PPB
1:00 AM CASA O3 8 Good 19 20 PPB
1:00 AM CASA PM2.5 24 Good 21 3 µg/m3
1:00 AM CCOL PM10 24 Good 6 6 µg/m3
1:00 AM CCOL PM2.5 24 Good 13 2 µg/m3
1:00 AM CHAT O3 8 Good 23 25 PPB
1:00 AM CHAT PM10 24 Good 5 5 µg/m3
1:00 AM CHAT PM2.5 24 Good 18 3 µg/m3
1:00 AM CTZ O3 8 Good 39 42 PPB
1:00 AM DELT PM10 24 Good 6 7 µg/m3
1:00 AM DELT PM2.5 24 Good 9 1 µg/m3
1:00 AM DELT PM2.5 24 Good 9 1 µg/m3
1:00 AM EVG O3 8 Good 21 23 PPB
1:00 AM FOS NO2 1 Good 2 2 PPB
1:00 AM FOS O3 8 Good 24 26 PPB
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM FTC O3 8 Good 25 27 PPB
1:00 AM FTCF PM10 24 Good 4 4 µg/m3
1:00 AM FTCF PM2.5 24 Good 21 3 µg/m3
1:00 AM FTCW O3 8 Good 27 29 PPB
1:00 AM GJPB PM10 24 Good 2 2 µg/m3
1:00 AM GJPB PM2.5 24 Good 8 1 µg/m3
1:00 AM GREH PM10 24 Good 3 3 µg/m3
1:00 AM GREH PM2.5 24 Good 19 3 µg/m3
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM GRET O3 8 Good 28 30 PPB
1:00 AM HLD O3 8 Good 23 25 PPB
1:00 AM I25DEN CO 8 Good 3 0.3 PPM
1:00 AM I25DEN NO2 1 Good 17 18 PPB
1:00 AM I25DEN PM10 24 Good 12 13 µg/m3
1:00 AM I25DEN PM2.5 24 Good 27 4 µg/m3
1:00 AM LAST NO2 1 Good 5 5 PPB
1:00 AM LAST O3 8 Good 25 27 PPB
1:00 AM LMB PM10 24 Good 15 16 µg/m3
1:00 AM LMB PM2.5 24 Good 9 1 µg/m3
1:00 AM LNGM PM10 24 Good 6 7 µg/m3
1:00 AM LNGM PM2.5 24 Good 23 4 µg/m3
1:00 AM MAN O3 8 Good 28 30 PPB
1:00 AM MFP NO2 1 Good 2 2 PPB
1:00 AM MFP O3 8 Good 27 29 PPB
1:00 AM NJH PM10 24 Good 6 7 µg/m3
1:00 AM NJH PM2.5 24 Good 19 3 µg/m3
1:00 AM NREL O3 8 Good 21 23 PPB
1:00 AM PAG PM10 24 Good 31 33 µg/m3
1:00 AM PAG PM2.5 24 Good 29 5 µg/m3
1:00 AM PAL O3 8 Good 39 42 PPB
1:00 AM PFS PM10 24 Good 6 6 µg/m3
1:00 AM PFS PM2.5 24 Good 9 1 µg/m3
1:00 AM PMS PM2.5 24 Good 18 3 µg/m3
1:00 AM PWES O3 8 Good 29 31 PPB
1:00 AM RFN NO2 1 Good 4 4 PPB
1:00 AM RFN O3 8 Good 19 21 PPB
1:00 AM RIFLO3 O3 8 Good 33 36 PPB
1:00 AM SSMB PM10 24 Good 4 4 µg/m3
1:00 AM SSMB PM2.5 24 Good 10 1 µg/m3
1:00 AM TEL PM10 24 Good 19 21 µg/m3
1:00 AM TEL PM2.5 24 Good 18 3 µg/m3
1:00 AM TIM NO2 1 Good 2 2 PPB
1:00 AM TIM O3 8 Good 28 30 PPB
1:00 AM TIM PM10 24 Good 5 5 µg/m3
1:00 AM TIM PM2.5 24 Good 19 3 µg/m3
1:00 AM WBY NO2 1 Good 11 12 PPB
1:00 AM WBY NO2 1 Good 11 12 PPB
1:00 AM WBY O3 8 Good 21 23 PPB
1:00 AM WBY PM10 24 Good 6 6 µg/m3
1:00 AM WBY PM2.5 24 Good 18 3 µg/m3

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