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AQI Calculations on 04/24/2024 1:00AM - 3:00AM

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.

Click on the column headings to sort data.

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

Time *
(MST)
 Monitoring Location Pollutant Interval
(Hr)
 Air Quality AQI Avg.
1:00 AM PAL O3 8 Good 49 53 PPB
1:00 AM MAN O3 8 Good 48 52 PPB
2:00 AM MAN O3 8 Good 47 51 PPB
2:00 AM PAL O3 8 Good 47 51 PPB
3:00 AM MAN O3 8 Good 46 50 PPB
3:00 AM PAL O3 8 Good 44 48 PPB
1:00 AM RFN O3 8 Good 40 43 PPB
1:00 AM ACAD O3 8 Good 39 42 PPB
1:00 AM AURE O3 8 Good 39 42 PPB
1:00 AM PWES O3 8 Good 39 42 PPB
3:00 AM AURE O3 8 Good 38 41 PPB
2:00 AM ACAD O3 8 Good 38 41 PPB
2:00 AM AURE O3 8 Good 38 41 PPB
2:00 AM PWES O3 8 Good 38 41 PPB
2:00 AM RFN O3 8 Good 38 41 PPB
1:00 AM CTZ O3 8 Good 38 41 PPB
1:00 AM GRET O3 8 Good 38 41 PPB
3:00 AM ACAD O3 8 Good 37 40 PPB
3:00 AM RFN O3 8 Good 37 40 PPB
1:00 AM BHWK O3 8 Good 37 40 PPB
1:00 AM RIFLO3 O3 8 Good 37 40 PPB
3:00 AM PWES O3 8 Good 36 39 PPB
2:00 AM GRET O3 8 Good 36 39 PPB
2:00 AM BHWK O3 8 Good 35 38 PPB
2:00 AM CTZ O3 8 Good 35 38 PPB
3:00 AM GRET O3 8 Good 34 37 PPB
2:00 AM RIFLO3 O3 8 Good 34 37 PPB
1:00 AM CHAT O3 8 Good 34 37 PPB
1:00 AM FTCW O3 8 Good 34 37 PPB
1:00 AM LAST O3 8 Good 34 37 PPB
1:00 AM NREL O3 8 Good 34 37 PPB
1:00 AM WBY O3 8 Good 34 37 PPB
3:00 AM BHWK O3 8 Good 33 36 PPB
3:00 AM CTZ O3 8 Good 32 35 PPB
3:00 AM HLD O3 8 Good 32 35 PPB
2:00 AM HLD O3 8 Good 32 35 PPB
1:00 AM CASA O3 8 Good 32 35 PPB
1:00 AM FTC O3 8 Good 32 35 PPB
1:00 AM HLD O3 8 Good 32 35 PPB
3:00 AM RIFLO3 O3 8 Good 31 34 PPB
2:00 AM CHAT O3 8 Good 31 34 PPB
2:00 AM FTCW O3 8 Good 31 34 PPB
2:00 AM LAST O3 8 Good 31 34 PPB
2:00 AM NREL O3 8 Good 31 34 PPB
2:00 AM WBY O3 8 Good 31 34 PPB
1:00 AM BOUR O3 8 Good 31 34 PPB
3:00 AM LAST O3 8 Good 31 33 PPB
3:00 AM NREL O3 8 Good 31 33 PPB
1:00 AM CAMP O3 8 Good 31 33 PPB
3:00 AM CHAT O3 8 Good 30 32 PPB
3:00 AM FTCW O3 8 Good 30 32 PPB
2:00 AM CASA O3 8 Good 30 32 PPB
2:00 AM FTC O3 8 Good 30 32 PPB
3:00 AM WBY O3 8 Good 29 31 PPB
2:00 AM BOUR O3 8 Good 29 31 PPB
1:00 AM EVG O3 8 Good 29 31 PPB
3:00 AM FTC O3 8 Good 28 30 PPB
3:00 AM BOUR O3 8 Good 27 29 PPB
2:00 AM CAMP O3 8 Good 27 29 PPB
3:00 AM CAMP O3 8 Good 26 28 PPB
3:00 AM CASA O3 8 Good 26 28 PPB
2:00 AM EVG O3 8 Good 25 27 PPB
3:00 AM EVG O3 8 Good 21 23 PPB
1:00 AM ASPN O3 8 Good 47 51 PPB
2:00 AM ASPN O3 8 Good 46 50 PPB
3:00 AM ASPN O3 8 Good 45 49 PPB
3:00 AM LMB PM10 24 Good 28 30 µg/m3
2:00 AM LMB PM10 24 Good 28 30 µg/m3
1:00 AM LMB PM10 24 Good 28 30 µg/m3
3:00 AM PAG PM10 24 Good 27 29 µg/m3
3:00 AM I25GLO PM10 24 Good 26 28 µg/m3
2:00 AM I25GLO PM10 24 Good 26 28 µg/m3
2:00 AM PAG PM10 24 Good 26 28 µg/m3
1:00 AM I25GLO PM10 24 Good 26 28 µg/m3
1:00 AM PAG PM10 24 Good 26 28 µg/m3
3:00 AM PFS PM10 24 Good 25 27 µg/m3
2:00 AM PFS PM10 24 Good 24 26 µg/m3
1:00 AM PFS PM10 24 Good 24 26 µg/m3
3:00 AM ALA PM10 24 Good 23 25 µg/m3
3:00 AM CAN PM10 24 Good 23 25 µg/m3
2:00 AM ALA PM10 24 Good 23 25 µg/m3
1:00 AM ALA PM10 24 Good 23 25 µg/m3
2:00 AM CAN PM10 24 Good 22 24 µg/m3
1:00 AM CAN PM10 24 Good 22 24 µg/m3
3:00 AM ADB PM10 24 Good 21 23 µg/m3
2:00 AM ADB PM10 24 Good 21 23 µg/m3
1:00 AM ADB PM10 24 Good 21 23 µg/m3
3:00 AM CCOL PM10 24 Good 19 21 µg/m3
3:00 AM NJH PM10 24 Good 19 21 µg/m3
2:00 AM NJH PM10 24 Good 19 21 µg/m3
1:00 AM NJH PM10 24 Good 19 21 µg/m3
1:00 AM WBY PM10 24 Good 19 21 µg/m3
3:00 AM WBY PM10 24 Good 19 20 µg/m3
2:00 AM CCOL PM10 24 Good 19 20 µg/m3
2:00 AM WBY PM10 24 Good 19 20 µg/m3
1:00 AM CCOL PM10 24 Good 19 20 µg/m3
3:00 AM TEL PM10 24 Good 18 19 µg/m3
3:00 AM BOU PM10 24 Good 17 18 µg/m3
3:00 AM I25DEN PM10 24 Good 17 18 µg/m3
2:00 AM BOU PM10 24 Good 17 18 µg/m3
2:00 AM I25DEN PM10 24 Good 17 18 µg/m3
2:00 AM TEL PM10 24 Good 17 18 µg/m3
1:00 AM BOU PM10 24 Good 17 18 µg/m3
1:00 AM I25DEN PM10 24 Good 17 18 µg/m3
1:00 AM TEL PM10 24 Good 17 18 µg/m3
3:00 AM LNGM PM10 24 Good 16 17 µg/m3
2:00 AM LNGM PM10 24 Good 16 17 µg/m3
1:00 AM LNGM PM10 24 Good 16 17 µg/m3
3:00 AM FTCF PM10 24 Good 15 16 µg/m3
2:00 AM FTCF PM10 24 Good 15 16 µg/m3
1:00 AM CAMP PM10 24 Good 15 16 µg/m3
1:00 AM FTCF PM10 24 Good 15 16 µg/m3
3:00 AM CAMP PM10 24 Good 14 15 µg/m3
2:00 AM CAMP PM10 24 Good 14 15 µg/m3
3:00 AM ASPN2 PM10 24 Good 13 14 µg/m3
3:00 AM CHAT PM10 24 Good 13 14 µg/m3
3:00 AM SSMB PM10 24 Good 13 14 µg/m3
2:00 AM ASPN2 PM10 24 Good 13 14 µg/m3
2:00 AM CHAT PM10 24 Good 13 14 µg/m3
2:00 AM SSMB PM10 24 Good 13 14 µg/m3
1:00 AM CHAT PM10 24 Good 13 14 µg/m3
1:00 AM SSMB PM10 24 Good 13 14 µg/m3
3:00 AM GJPB PM10 24 Good 12 13 µg/m3
2:00 AM GJPB PM10 24 Good 12 13 µg/m3
1:00 AM ASPN2 PM10 24 Good 12 13 µg/m3
1:00 AM GJPB PM10 24 Good 12 13 µg/m3
3:00 AM GREH PM10 24 Good 9 10 µg/m3
2:00 AM GREH PM10 24 Good 9 10 µg/m3
1:00 AM GREH PM10 24 Good 9 10 µg/m3
3:00 AM CASA PM10 24 Good 8 9 µg/m3
2:00 AM CASA PM10 24 Good 8 9 µg/m3
1:00 AM CASA PM10 24 Good 8 9 µg/m3
3:00 AM I25DEN PM2.5 24 Good 29 7 µg/m3
3:00 AM I25GLO PM2.5 24 Good 29 7 µg/m3
2:00 AM I25DEN PM2.5 24 Good 29 7 µg/m3
2:00 AM I25GLO PM2.5 24 Good 28 7 µg/m3
1:00 AM I25DEN PM2.5 24 Good 28 7 µg/m3
1:00 AM I25GLO PM2.5 24 Good 27 7 µg/m3
3:00 AM FTCF PM2.5 24 Good 25 6 µg/m3
2:00 AM FTCF PM2.5 24 Good 24 6 µg/m3
3:00 AM CAMP PM2.5 24 Good 24 6 µg/m3
2:00 AM CAMP PM2.5 24 Good 23 6 µg/m3
1:00 AM FTCF PM2.5 24 Good 23 6 µg/m3
1:00 AM CAMP PM2.5 24 Good 22 5 µg/m3
3:00 AM BOU PM2.5 24 Good 20 5 µg/m3
3:00 AM LNGM PM2.5 24 Good 20 5 µg/m3
2:00 AM BOU PM2.5 24 Good 20 5 µg/m3
2:00 AM LNGM PM2.5 24 Good 20 5 µg/m3
1:00 AM BOU PM2.5 24 Good 20 5 µg/m3
1:00 AM LNGM PM2.5 24 Good 20 5 µg/m3
3:00 AM ADB PM2.5 24 Good 20 5 µg/m3
3:00 AM NJH PM2.5 24 Good 19 5 µg/m3
2:00 AM ADB PM2.5 24 Good 19 5 µg/m3
1:00 AM ADB PM2.5 24 Good 19 5 µg/m3
3:00 AM ALA PM2.5 24 Good 18 4 µg/m3
2:00 AM ALA PM2.5 24 Good 18 4 µg/m3
2:00 AM NJH PM2.5 24 Good 18 4 µg/m3
1:00 AM ALA PM2.5 24 Good 18 4 µg/m3
3:00 AM CCOL PM2.5 24 Good 18 4 µg/m3
1:00 AM NJH PM2.5 24 Good 18 4 µg/m3
2:00 AM CCOL PM2.5 24 Good 18 4 µg/m3
1:00 AM CCOL PM2.5 24 Good 18 4 µg/m3
1:00 AM LMB PM2.5 24 Good 18 4 µg/m3
3:00 AM LMB PM2.5 24 Good 17 4 µg/m3
2:00 AM LMB PM2.5 24 Good 17 4 µg/m3
3:00 AM CASA PM2.5 24 Good 17 4 µg/m3
3:00 AM PFS PM2.5 24 Good 17 4 µg/m3
2:00 AM PFS PM2.5 24 Good 17 4 µg/m3
1:00 AM PFS PM2.5 24 Good 17 4 µg/m3
3:00 AM CHAT PM2.5 24 Good 16 4 µg/m3
3:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
2:00 AM CASA PM2.5 24 Good 16 4 µg/m3
2:00 AM CHAT PM2.5 24 Good 16 4 µg/m3
2:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
1:00 AM CASA PM2.5 24 Good 16 4 µg/m3
1:00 AM CHAT PM2.5 24 Good 16 4 µg/m3
1:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
3:00 AM GREH PM2.5 24 Good 12 3 µg/m3
2:00 AM GREH PM2.5 24 Good 12 3 µg/m3
1:00 AM GREH PM2.5 24 Good 12 3 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
3:00 AM I25DEN CO 8 Good 3 0.3 PPM
2:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
2:00 AM I25DEN CO 8 Good 3 0.3 PPM
1:00 AM I25DEN CO 8 Good 3 0.3 PPM
3:00 AM CASA CO 8 Good 2 0.2 PPM
2:00 AM CASA CO 8 Good 2 0.2 PPM
1:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
1:00 AM CASA CO 8 Good 2 0.2 PPM
3:00 AM CCOL CO 8 Good 1 0.1 PPM
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM CCOL CO 8 Good 1 0.1 PPM
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM CCOL CO 8 Good 1 0.1 PPM
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM I25GLO NO2 1 Good 40 42 PPB
2:00 AM I25GLO NO2 1 Good 35 37 PPB
2:00 AM CAMP NO2 1 Good 32 34 PPB
2:00 AM CAMP NO2 1 Good 32 34 PPB
2:00 AM I25DEN NO2 1 Good 24 25 PPB
1:00 AM I25DEN NO2 1 Good 24 25 PPB
3:00 AM I25GLO NO2 1 Good 21 22 PPB
3:00 AM I25DEN NO2 1 Good 19 20 PPB
3:00 AM CAMP NO2 1 Good 18 19 PPB
3:00 AM CAMP NO2 1 Good 18 19 PPB
1:00 AM CAMP NO2 1 Good 18 19 PPB
1:00 AM CAMP NO2 1 Good 18 19 PPB
1:00 AM WBY NO2 1 Good 18 19 PPB
1:00 AM WBY NO2 1 Good 18 19 PPB
1:00 AM CASA NO2 1 Good 17 18 PPB
2:00 AM CASA NO2 1 Good 16 17 PPB
3:00 AM WBY NO2 1 Good 15 16 PPB
3:00 AM WBY NO2 1 Good 15 16 PPB
2:00 AM WBY NO2 1 Good 13 14 PPB
2:00 AM WBY NO2 1 Good 13 14 PPB
3:00 AM CASA NO2 1 Good 11 12 PPB
2:00 AM LAST NO2 1 Good 6 6 PPB
3:00 AM LAST NO2 1 Good 3 3 PPB
1:00 AM LAST NO2 1 Good 3 3 PPB
1:00 AM RFN NO2 1 Good 2 2 PPB
3:00 AM RFN NO2 1 Good 1 1 PPB
2:00 AM RFN NO2 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.