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AQI Calculations on 04/26/2024 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.


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.
3:00 AM ACAD O3 8 Good 43 46 PPB
3:00 AM ADB PM10 24 Good 31 34 µg/m3
3:00 AM ADB PM2.5 24 Good 36 9 µg/m3
3:00 AM ALA PM10 24 Good 26 28 µg/m3
3:00 AM ALA PM2.5 24 Good 15 4 µg/m3
3:00 AM ASPN O3 8 Good 40 43 PPB
3:00 AM ASPN2 PM10 24 Good 12 13 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
3:00 AM AURE O3 8 Good 48 52 PPB
3:00 AM BHWK O3 8 Moderate 54 56 PPB
3:00 AM BOU PM10 24 Good 21 23 µg/m3
3:00 AM BOU PM2.5 24 Good 23 6 µg/m3
3:00 AM BOUR O3 8 Good 44 48 PPB
3:00 AM CAMP NO2 1 Good 8 8 PPB
3:00 AM CAMP NO2 1 Good 8 8 PPB
3:00 AM CAMP O3 8 Good 46 50 PPB
3:00 AM CAMP PM10 24 Good 19 20 µg/m3
3:00 AM CAMP PM2.5 24 Good 38 9 µg/m3
3:00 AM CAN PM10 24 Good 23 25 µg/m3
3:00 AM CCOL CO 8 Good 1 0.1 PPM
3:00 AM CCOL PM10 24 Good 20 22 µg/m3
3:00 AM CCOL PM2.5 24 Good 25 6 µg/m3
3:00 AM CHAT O3 8 Good 48 52 PPB
3:00 AM CHAT PM10 24 Good 16 17 µg/m3
3:00 AM CHAT PM2.5 24 Good 22 5 µg/m3
3:00 AM CTZ O3 8 Good 24 26 PPB
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM FTC O3 8 Good 50 54 PPB
3:00 AM FTCF PM10 24 Good 16 17 µg/m3
3:00 AM FTCF PM2.5 24 Good 34 8 µg/m3
3:00 AM FTCW O3 8 Good 49 53 PPB
3:00 AM GJPB PM10 24 Good 19 20 µg/m3
3:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
3:00 AM GREH PM10 24 Good 15 16 µg/m3
3:00 AM GREH PM2.5 24 Good 31 7 µg/m3
3:00 AM GRET CO 8 Good 1 0.1 PPM
3:00 AM GRET O3 8 Good 42 45 PPB
3:00 AM HLD O3 8 Good 44 47 PPB
3:00 AM I25DEN CO 8 Good 2 0.2 PPM
3:00 AM I25DEN NO2 1 Good 10 11 PPB
3:00 AM I25DEN PM10 24 Good 13 14 µg/m3
3:00 AM I25DEN PM2.5 24 Good 31 7 µg/m3
3:00 AM I25GLO NO2 1 Good 12 13 PPB
3:00 AM I25GLO PM10 24 Good 33 36 µg/m3
3:00 AM I25GLO PM2.5 24 Good 48 12 µg/m3
3:00 AM LAST NO2 1 Good 4 4 PPB
3:00 AM LAST O3 8 Good 42 45 PPB
3:00 AM LMB PM10 24 Good 45 49 µg/m3
3:00 AM LMB PM2.5 24 Good 35 8 µg/m3
3:00 AM LNGM PM10 24 Good 23 25 µg/m3
3:00 AM LNGM PM2.5 24 Good 32 8 µg/m3
3:00 AM MAN O3 8 Moderate 54 56 PPB
3:00 AM NJH PM10 24 Good 24 26 µg/m3
3:00 AM NJH PM2.5 24 Good 31 7 µg/m3
3:00 AM NREL O3 8 Good 49 53 PPB
3:00 AM PAG PM10 24 Good 26 28 µg/m3
3:00 AM PAL O3 8 Good 42 45 PPB
3:00 AM PFS PM10 24 Good 23 25 µg/m3
3:00 AM PFS PM2.5 24 Good 23 6 µg/m3
3:00 AM PWES O3 8 Moderate 51 55 PPB
3:00 AM RFN NO2 1 Good 2 2 PPB
3:00 AM RFN O3 8 Moderate 54 56 PPB
3:00 AM RIFL PM2.5 24 Good 20 5 µg/m3
3:00 AM RIFLO3 O3 8 Good 30 32 PPB
3:00 AM SSMB PM10 24 Good 10 11 µg/m3
3:00 AM TEL PM10 24 Good 13 14 µg/m3
3:00 AM WBY NO2 1 Good 14 15 PPB
3:00 AM WBY NO2 1 Good 14 15 PPB
3:00 AM WBY O3 8 Good 45 49 PPB
3:00 AM WBY PM10 24 Good 24 26 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 44 47 PPB
2:00 AM ADB PM10 24 Good 31 34 µg/m3
2:00 AM ADB PM2.5 24 Good 36 9 µg/m3
2:00 AM ALA PM10 24 Good 25 27 µg/m3
2:00 AM ALA PM2.5 24 Good 15 4 µg/m3
2:00 AM ASPN O3 8 Good 42 45 PPB
2:00 AM ASPN2 PM10 24 Good 12 13 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
2:00 AM AURE O3 8 Good 49 53 PPB
2:00 AM BHWK O3 8 Moderate 58 57 PPB
2:00 AM BOU PM10 24 Good 21 23 µg/m3
2:00 AM BOU PM2.5 24 Good 23 6 µg/m3
2:00 AM BOUR O3 8 Good 46 50 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 46 50 PPB
2:00 AM CAMP PM10 24 Good 20 22 µg/m3
2:00 AM CAMP PM2.5 24 Good 40 10 µg/m3
2:00 AM CAN PM10 24 Good 23 25 µg/m3
2:00 AM CCOL CO 8 Good 1 0.1 PPM
2:00 AM CCOL PM10 24 Good 22 24 µg/m3
2:00 AM CCOL PM2.5 24 Good 27 7 µg/m3
2:00 AM CHAT O3 8 Moderate 51 55 PPB
2:00 AM CHAT PM10 24 Good 17 18 µg/m3
2:00 AM CHAT PM2.5 24 Good 22 5 µg/m3
2:00 AM CTZ O3 8 Good 28 30 PPB
2:00 AM EVG O3 8 Good 46 50 PPB
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM FTC O3 8 Good 50 54 PPB
2:00 AM FTCF PM2.5 24 Good 35 8 µg/m3
2:00 AM FTCW O3 8 Good 48 52 PPB
2:00 AM GJPB PM10 24 Good 19 20 µg/m3
2:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
2:00 AM GREH PM10 24 Good 15 16 µg/m3
2:00 AM GREH PM2.5 24 Good 32 8 µg/m3
2:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM GRET O3 8 Good 44 47 PPB
2:00 AM HLD O3 8 Good 45 49 PPB
2:00 AM I25DEN CO 8 Good 2 0.2 PPM
2:00 AM I25DEN NO2 1 Good 12 13 PPB
2:00 AM I25DEN PM10 24 Good 13 14 µg/m3
2:00 AM I25DEN PM2.5 24 Good 32 8 µg/m3
2:00 AM I25GLO NO2 1 Good 14 15 PPB
2:00 AM I25GLO PM10 24 Good 33 36 µg/m3
2:00 AM I25GLO PM2.5 24 Good 50 12 µg/m3
2:00 AM LAST NO2 1 Good 3 3 PPB
2:00 AM LAST O3 8 Good 44 47 PPB
2:00 AM LMB PM10 24 Good 44 48 µg/m3
2:00 AM LMB PM2.5 24 Good 35 8 µg/m3
2:00 AM LNGM PM10 24 Good 24 26 µg/m3
2:00 AM LNGM PM2.5 24 Good 32 8 µg/m3
2:00 AM MAN O3 8 Moderate 61 58 PPB
2:00 AM NJH PM10 24 Good 25 27 µg/m3
2:00 AM NJH PM2.5 24 Good 32 8 µg/m3
2:00 AM NREL O3 8 Good 49 53 PPB
2:00 AM PAG PM10 24 Good 25 27 µg/m3
2:00 AM PAL O3 8 Good 44 47 PPB
2:00 AM PFS PM10 24 Good 23 25 µg/m3
2:00 AM PFS PM2.5 24 Good 24 6 µg/m3
2:00 AM PWES O3 8 Moderate 54 56 PPB
2:00 AM RFN NO2 1 Good 3 3 PPB
2:00 AM RFN O3 8 Moderate 58 57 PPB
2:00 AM RIFL PM2.5 24 Good 20 5 µg/m3
2:00 AM RIFLO3 O3 8 Good 30 32 PPB
2:00 AM SSMB PM10 24 Good 10 11 µg/m3
2:00 AM TEL PM10 24 Good 13 14 µg/m3
2:00 AM WBY NO2 1 Good 11 12 PPB
2:00 AM WBY NO2 1 Good 11 12 PPB
2:00 AM WBY O3 8 Good 47 51 PPB
2:00 AM WBY PM10 24 Good 25 27 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 44 48 PPB
1:00 AM ADB PM10 24 Good 33 36 µg/m3
1:00 AM ADB PM2.5 24 Good 38 9 µg/m3
1:00 AM ALA PM10 24 Good 25 27 µg/m3
1:00 AM ALA PM2.5 24 Good 15 4 µg/m3
1:00 AM ASPN O3 8 Good 44 47 PPB
1:00 AM ASPN2 PM10 24 Good 12 13 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 1 0 µg/m3
1:00 AM AURE O3 8 Moderate 51 55 PPB
1:00 AM BHWK O3 8 Moderate 58 57 PPB
1:00 AM BOU PM10 24 Good 22 24 µg/m3
1:00 AM BOU PM2.5 24 Good 24 6 µg/m3
1:00 AM BOUR O3 8 Good 49 53 PPB
1:00 AM CAMP NO2 1 Good 7 7 PPB
1:00 AM CAMP NO2 1 Good 7 7 PPB
1:00 AM CAMP O3 8 Good 48 52 PPB
1:00 AM CAMP PM10 24 Good 21 23 µg/m3
1:00 AM CAMP PM2.5 24 Good 41 10 µg/m3
1:00 AM CAN PM10 24 Good 23 25 µg/m3
1:00 AM CCOL CO 8 Good 1 0.1 PPM
1:00 AM CCOL PM10 24 Good 23 25 µg/m3
1:00 AM CCOL PM2.5 24 Good 30 7 µg/m3
1:00 AM CHAT O3 8 Moderate 61 58 PPB
1:00 AM CHAT PM10 24 Good 17 18 µg/m3
1:00 AM CHAT PM2.5 24 Good 23 6 µg/m3
1:00 AM CTZ O3 8 Good 31 33 PPB
1:00 AM EVG O3 8 Good 47 51 PPB
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM FTC O3 8 Moderate 51 55 PPB
1:00 AM FTCF PM2.5 24 Good 37 9 µg/m3
1:00 AM FTCW O3 8 Good 49 53 PPB
1:00 AM GJPB PM10 24 Good 19 20 µg/m3
1:00 AM GJPB PM2.5 24 Good 16 4 µg/m3
1:00 AM GREH PM10 24 Good 16 17 µg/m3
1:00 AM GREH PM2.5 24 Good 33 8 µg/m3
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM GRET O3 8 Good 46 50 PPB
1:00 AM HLD O3 8 Good 47 51 PPB
1:00 AM I25DEN CO 8 Good 2 0.2 PPM
1:00 AM I25DEN NO2 1 Good 9 10 PPB
1:00 AM I25DEN PM10 24 Good 15 16 µg/m3
1:00 AM I25DEN PM2.5 24 Good 34 8 µg/m3
1:00 AM I25GLO NO2 1 Good 20 21 PPB
1:00 AM I25GLO PM10 24 Good 34 37 µg/m3
1:00 AM I25GLO PM2.5 24 Moderate 51 12 µg/m3
1:00 AM LAST NO2 1 Good 4 4 PPB
1:00 AM LAST O3 8 Good 45 49 PPB
1:00 AM LMB PM10 24 Good 44 48 µg/m3
1:00 AM LMB PM2.5 24 Good 35 8 µg/m3
1:00 AM LNGM PM10 24 Good 25 27 µg/m3
1:00 AM LNGM PM2.5 24 Good 33 8 µg/m3
1:00 AM MAN O3 8 Moderate 67 60 PPB
1:00 AM NJH PM10 24 Good 26 28 µg/m3
1:00 AM NJH PM2.5 24 Good 33 8 µg/m3
1:00 AM NREL O3 8 Moderate 51 55 PPB
1:00 AM PAG PM10 24 Good 25 27 µg/m3
1:00 AM PAL O3 8 Good 44 48 PPB
1:00 AM PFS PM10 24 Good 23 25 µg/m3
1:00 AM PFS PM2.5 24 Good 25 6 µg/m3
1:00 AM PWES O3 8 Moderate 58 57 PPB
1:00 AM RFN NO2 1 Good 3 3 PPB
1:00 AM RFN O3 8 Moderate 64 59 PPB
1:00 AM RIFL PM2.5 24 Good 20 5 µg/m3
1:00 AM RIFLO3 O3 8 Good 31 33 PPB
1:00 AM SSMB PM10 24 Good 10 11 µg/m3
1:00 AM TEL PM10 24 Good 13 14 µg/m3
1:00 AM WBY NO2 1 Good 7 7 PPB
1:00 AM WBY NO2 1 Good 7 7 PPB
1:00 AM WBY O3 8 Good 49 53 PPB
1:00 AM WBY PM10 24 Good 26 28 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.