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AQI Calculations on 07/07/2015 1:00AM - 6:00AM

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 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.
6:00 AM ACAD O3 8 Good 37 44 PPB
6:00 AM ASP O3 8 Good 32 38 PPB
6:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
6:00 AM ASPN2 PM2.5 24 Good 19 5 µg/m3
6:00 AM AURE O3 8 Good 34 40 PPB
6:00 AM CAMP CO 8 Good 6 0.5 PPM
6:00 AM CAMP NO2 1 Good 23 24 PPB
6:00 AM CAMP NO2 1 Good 23 24 PPB
6:00 AM CAMP O3 8 Good 31 37 PPB
6:00 AM CAMP PM10 24 Good 44 48 µg/m3
6:00 AM CAMP PM2.5 24 Moderate 81 26 µg/m3
6:00 AM CASA CO 8 Good 5 0.4 PPM
6:00 AM CASA O3 8 Good 29 34 PPB
6:00 AM CASA PM10 24 Good 32 35 µg/m3
6:00 AM CASA PM2.5 24 Moderate 88 30 µg/m3
6:00 AM CCOL PM2.5 24 Moderate 57 15 µg/m3
6:00 AM CHAT O3 8 Good 26 31 PPB
6:00 AM CHAT PM2.5 24 Moderate 58 16 µg/m3
6:00 AM CTZ O3 8 Good 15 18 PPB
6:00 AM DELT PM2.5 24 Good 24 6 µg/m3
6:00 AM FTC CO 8 Good 6 0.5 PPM
6:00 AM FTC O3 8 Good 25 30 PPB
6:00 AM FTCF PM10 24 Good 45 49 µg/m3
6:00 AM FTCF PM2.5 24 Unhealthy for Sensitive Groups 114 41 µg/m3
6:00 AM FTCW O3 8 Good 29 34 PPB
6:00 AM GJCT CO 8 Good 2 0.2 PPM
6:00 AM GJPB PM10 24 Good 6 7 µg/m3
6:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
6:00 AM GREH PM2.5 24 Unhealthy for Sensitive Groups 119 43 µg/m3
6:00 AM GRET O3 8 Good 36 42 PPB
6:00 AM H24 CO 8 Good 5 0.4 PPM
6:00 AM H24 SO2 1 Good 23 16 PPB
6:00 AM I-25 CO 8 Good 6 0.5 PPM
6:00 AM I-25 NO2 1 Good 35 37 PPB
6:00 AM I-25 PM10 24 Good 43 46 µg/m3
6:00 AM I-25 PM2.5 24 Moderate 97 34 µg/m3
6:00 AM LNGM PM2.5 24 Moderate 79 25 µg/m3
6:00 AM MAN O3 8 Good 37 44 PPB
6:00 AM NJH PM2.5 24 Moderate 82 27 µg/m3
6:00 AM NREL O3 8 Good 31 36 PPB
6:00 AM PAL O3 8 Good 31 36 PPB
6:00 AM RFN O3 8 Good 31 37 PPB
6:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
6:00 AM RIFLO3 O3 8 Good 23 27 PPB
6:00 AM SBC O3 8 Good 25 30 PPB
6:00 AM WBY CO 8 Good 6 0.5 PPM
6:00 AM WBY NO2 1 Good 17 18 PPB
6:00 AM WBY NO2 1 Good 17 18 PPB
6:00 AM WBY O3 8 Good 31 36 PPB
6:00 AM WBY PM10 24 Good 27 29 µg/m3
6:00 AM WBY SO2 1 Good 1 1 PPB
6:00 AM WBY SO2 1 Good 1 1 PPB
6:00 AM WCH O3 8 Good 27 32 PPB
5:00 AM ACAD O3 8 Good 36 43 PPB
5:00 AM ASP O3 8 Good 33 39 PPB
5:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
5:00 AM AURE O3 8 Good 33 39 PPB
5:00 AM CAMP CO 8 Good 5 0.4 PPM
5:00 AM CAMP NO2 1 Good 10 11 PPB
5:00 AM CAMP NO2 1 Good 10 11 PPB
5:00 AM CAMP O3 8 Good 32 38 PPB
5:00 AM CAMP PM10 24 Good 42 45 µg/m3
5:00 AM CAMP PM2.5 24 Moderate 77 25 µg/m3
5:00 AM CASA CO 8 Good 5 0.4 PPM
5:00 AM CASA O3 8 Good 27 32 PPB
5:00 AM CASA PM10 24 Good 31 33 µg/m3
5:00 AM CASA PM2.5 24 Moderate 84 28 µg/m3
5:00 AM CCOL PM2.5 24 Moderate 52 13 µg/m3
5:00 AM CHAT O3 8 Good 27 32 PPB
5:00 AM CHAT PM2.5 24 Moderate 56 15 µg/m3
5:00 AM CTZ O3 8 Good 17 20 PPB
5:00 AM DELT PM2.5 24 Good 24 6 µg/m3
5:00 AM FTC CO 8 Good 6 0.5 PPM
5:00 AM FTC O3 8 Good 26 31 PPB
5:00 AM FTCF PM10 24 Good 42 45 µg/m3
5:00 AM FTCF PM2.5 24 Unhealthy for Sensitive Groups 105 37 µg/m3
5:00 AM FTCW O3 8 Good 30 35 PPB
5:00 AM GJCT CO 8 Good 2 0.2 PPM
5:00 AM GJPB PM10 24 Good 6 7 µg/m3
5:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
5:00 AM GREH PM2.5 24 Unhealthy for Sensitive Groups 117 42 µg/m3
5:00 AM GRET O3 8 Good 36 43 PPB
5:00 AM H24 CO 8 Good 3 0.3 PPM
5:00 AM I-25 CO 8 Good 5 0.4 PPM
5:00 AM I-25 NO2 1 Good 17 18 PPB
5:00 AM I-25 PM10 24 Good 40 43 µg/m3
5:00 AM I-25 PM2.5 24 Moderate 92 32 µg/m3
5:00 AM LNGM PM2.5 24 Moderate 74 23 µg/m3
5:00 AM MAN O3 8 Good 37 44 PPB
5:00 AM NJH PM2.5 24 Moderate 77 24 µg/m3
5:00 AM NREL O3 8 Good 32 38 PPB
5:00 AM PAL O3 8 Good 32 38 PPB
5:00 AM RFN O3 8 Good 32 38 PPB
5:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
5:00 AM RIFLO3 O3 8 Good 25 29 PPB
5:00 AM SBC O3 8 Good 25 30 PPB
5:00 AM WBY CO 8 Good 6 0.5 PPM
5:00 AM WBY NO2 1 Good 8 8 PPB
5:00 AM WBY NO2 1 Good 8 8 PPB
5:00 AM WBY O3 8 Good 31 36 PPB
5:00 AM WBY PM10 24 Good 24 26 µg/m3
5:00 AM WBY SO2 1 Good 1 1 PPB
5:00 AM WBY SO2 1 Good 1 1 PPB
5:00 AM WCH O3 8 Good 30 35 PPB
4:00 AM ACAD O3 8 Good 35 41 PPB
4:00 AM ASP O3 8 Good 33 39 PPB
4:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
4:00 AM AURE O3 8 Good 32 38 PPB
4:00 AM CAMP CO 8 Good 5 0.4 PPM
4:00 AM CAMP NO2 1 Good 5 5 PPB
4:00 AM CAMP NO2 1 Good 5 5 PPB
4:00 AM CAMP O3 8 Good 31 36 PPB
4:00 AM CAMP PM10 24 Good 39 42 µg/m3
4:00 AM CAMP PM2.5 24 Moderate 73 23 µg/m3
4:00 AM CASA CO 8 Good 5 0.4 PPM
4:00 AM CASA O3 8 Good 26 31 PPB
4:00 AM CASA PM10 24 Good 28 30 µg/m3
4:00 AM CASA PM2.5 24 Moderate 79 26 µg/m3
4:00 AM CCOL PM2.5 24 Good 44 11 µg/m3
4:00 AM CHAT O3 8 Good 28 33 PPB
4:00 AM CHAT PM2.5 24 Moderate 54 14 µg/m3
4:00 AM CTZ O3 8 Good 19 23 PPB
4:00 AM DELT PM2.5 24 Good 24 6 µg/m3
4:00 AM FTC CO 8 Good 6 0.5 PPM
4:00 AM FTC O3 8 Good 27 32 PPB
4:00 AM FTCF PM10 24 Good 38 41 µg/m3
4:00 AM FTCF PM2.5 24 Moderate 98 34 µg/m3
4:00 AM FTCW O3 8 Good 31 36 PPB
4:00 AM GJCT CO 8 Good 2 0.2 PPM
4:00 AM GJPB PM10 24 Good 6 7 µg/m3
4:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
4:00 AM GREH PM2.5 24 Unhealthy for Sensitive Groups 115 41 µg/m3
4:00 AM GRET O3 8 Good 37 44 PPB
4:00 AM H24 CO 8 Good 3 0.3 PPM
4:00 AM I-25 CO 8 Good 5 0.4 PPM
4:00 AM I-25 NO2 1 Good 10 11 PPB
4:00 AM I-25 PM10 24 Good 38 41 µg/m3
4:00 AM I-25 PM2.5 24 Moderate 88 30 µg/m3
4:00 AM LNGM PM2.5 24 Moderate 70 21 µg/m3
4:00 AM MAN O3 8 Good 36 43 PPB
4:00 AM NJH PM2.5 24 Moderate 72 22 µg/m3
4:00 AM NREL O3 8 Good 32 38 PPB
4:00 AM PAL O3 8 Good 34 40 PPB
4:00 AM RFN O3 8 Good 32 38 PPB
4:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
4:00 AM RIFLO3 O3 8 Good 28 33 PPB
4:00 AM SBC O3 8 Good 26 31 PPB
4:00 AM WBY CO 8 Good 6 0.5 PPM
4:00 AM WBY NO2 1 Good 6 6 PPB
4:00 AM WBY NO2 1 Good 6 6 PPB
4:00 AM WBY O3 8 Good 31 36 PPB
4:00 AM WBY PM10 24 Good 22 24 µg/m3
4:00 AM WBY SO2 1 Good 1 1 PPB
4:00 AM WBY SO2 1 Good 1 1 PPB
4:00 AM WCH O3 8 Good 31 36 PPB
3:00 AM ACAD O3 8 Good 32 38 PPB
3:00 AM ASP O3 8 Good 34 40 PPB
3:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
3:00 AM AURE O3 8 Good 32 38 PPB
3:00 AM CAMP CO 8 Good 5 0.4 PPM
3:00 AM CAMP NO2 1 Good 5 5 PPB
3:00 AM CAMP NO2 1 Good 5 5 PPB
3:00 AM CAMP O3 8 Good 29 34 PPB
3:00 AM CAMP PM10 24 Good 36 39 µg/m3
3:00 AM CAMP PM2.5 24 Moderate 70 21 µg/m3
3:00 AM CASA CO 8 Good 5 0.4 PPM
3:00 AM CASA O3 8 Good 25 30 PPB
3:00 AM CASA PM10 24 Good 26 28 µg/m3
3:00 AM CASA PM2.5 24 Moderate 75 24 µg/m3
3:00 AM CCOL PM2.5 24 Good 35 8 µg/m3
3:00 AM CHAT O3 8 Good 29 34 PPB
3:00 AM CHAT PM2.5 24 Moderate 52 13 µg/m3
3:00 AM CTZ O3 8 Good 22 26 PPB
3:00 AM DELT PM2.5 24 Good 24 6 µg/m3
3:00 AM FTC CO 8 Good 6 0.5 PPM
3:00 AM FTC O3 8 Good 27 32 PPB
3:00 AM FTCF PM10 24 Good 35 38 µg/m3
3:00 AM FTCF PM2.5 24 Moderate 93 32 µg/m3
3:00 AM FTCW O3 8 Good 31 36 PPB
3:00 AM GJCT CO 8 Good 1 0.1 PPM
3:00 AM GJPB PM10 24 Good 6 7 µg/m3
3:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
3:00 AM GREH PM2.5 24 Unhealthy for Sensitive Groups 112 40 µg/m3
3:00 AM GRET O3 8 Good 38 45 PPB
3:00 AM H24 CO 8 Good 3 0.3 PPM
3:00 AM I-25 CO 8 Good 6 0.5 PPM
3:00 AM I-25 NO2 1 Good 11 12 PPB
3:00 AM I-25 PM10 24 Good 35 38 µg/m3
3:00 AM I-25 PM2.5 24 Moderate 83 28 µg/m3
3:00 AM LNGM PM2.5 24 Moderate 66 19 µg/m3
3:00 AM MAN O3 8 Good 35 41 PPB
3:00 AM NJH PM2.5 24 Moderate 68 20 µg/m3
3:00 AM NREL O3 8 Good 32 38 PPB
3:00 AM PAL O3 8 Good 36 42 PPB
3:00 AM RFN O3 8 Good 32 38 PPB
3:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
3:00 AM RIFLO3 O3 8 Good 28 33 PPB
3:00 AM SBC O3 8 Good 28 33 PPB
3:00 AM WBY CO 8 Good 6 0.5 PPM
3:00 AM WBY NO2 1 Good 5 5 PPB
3:00 AM WBY NO2 1 Good 5 5 PPB
3:00 AM WBY O3 8 Good 31 36 PPB
3:00 AM WBY PM10 24 Good 20 22 µg/m3
3:00 AM WBY SO2 1 Good 1 1 PPB
3:00 AM WBY SO2 1 Good 1 1 PPB
3:00 AM WCH O3 8 Good 31 36 PPB
2:00 AM ACAD O3 8 Good 31 36 PPB
2:00 AM ASP O3 8 Good 33 39 PPB
2:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
2:00 AM AURE O3 8 Good 32 38 PPB
2:00 AM CAMP CO 8 Good 5 0.4 PPM
2:00 AM CAMP NO2 1 Good 5 5 PPB
2:00 AM CAMP NO2 1 Good 5 5 PPB
2:00 AM CAMP O3 8 Good 27 32 PPB
2:00 AM CAMP PM10 24 Good 33 36 µg/m3
2:00 AM CAMP PM2.5 24 Moderate 66 19 µg/m3
2:00 AM CASA CO 8 Good 5 0.4 PPM
2:00 AM CASA O3 8 Good 25 29 PPB
2:00 AM CASA PM10 24 Good 24 26 µg/m3
2:00 AM CASA PM2.5 24 Moderate 71 22 µg/m3
2:00 AM CCOL PM2.5 24 Good 28 7 µg/m3
2:00 AM CHAT O3 8 Good 30 35 PPB
2:00 AM CHAT PM2.5 24 Good 48 12 µg/m3
2:00 AM CTZ O3 8 Good 25 29 PPB
2:00 AM DELT PM2.5 24 Good 24 6 µg/m3
2:00 AM FTC CO 8 Good 6 0.5 PPM
2:00 AM FTC O3 8 Good 26 31 PPB
2:00 AM FTCF PM10 24 Good 32 35 µg/m3
2:00 AM FTCF PM2.5 24 Moderate 88 30 µg/m3
2:00 AM FTCW O3 8 Good 31 36 PPB
2:00 AM GJCT CO 8 Good 1 0.1 PPM
2:00 AM GJPB PM10 24 Good 6 7 µg/m3
2:00 AM GJPB PM2.5 24 Good 15 4 µg/m3
2:00 AM GRET O3 8 Good 39 46 PPB
2:00 AM H24 CO 8 Good 3 0.3 PPM
2:00 AM I-25 CO 8 Good 6 0.5 PPM
2:00 AM I-25 NO2 1 Good 9 10 PPB
2:00 AM I-25 PM10 24 Good 32 35 µg/m3
2:00 AM I-25 PM2.5 24 Moderate 79 26 µg/m3
2:00 AM LNGM PM2.5 24 Moderate 61 17 µg/m3
2:00 AM MAN O3 8 Good 33 39 PPB
2:00 AM NJH PM2.5 24 Moderate 63 18 µg/m3
2:00 AM NREL O3 8 Good 31 37 PPB
2:00 AM PAL O3 8 Good 37 44 PPB
2:00 AM RFN O3 8 Good 32 38 PPB
2:00 AM RIFL PM2.5 24 Good 11 3 µg/m3
2:00 AM RIFLO3 O3 8 Good 29 34 PPB
2:00 AM SBC O3 8 Good 28 33 PPB
2:00 AM WBY CO 8 Good 5 0.4 PPM
2:00 AM WBY NO2 1 Good 5 5 PPB
2:00 AM WBY NO2 1 Good 5 5 PPB
2:00 AM WBY O3 8 Good 31 36 PPB
2:00 AM WBY PM10 24 Good 19 20 µg/m3
2:00 AM WBY SO2 1 Good 1 1 PPB
2:00 AM WBY SO2 1 Good 1 1 PPB
2:00 AM WCH O3 8 Good 31 36 PPB
1:00 AM ACAD O3 8 Good 30 35 PPB
1:00 AM ASP O3 8 Good 32 38 PPB
1:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 17 4 µg/m3
1:00 AM AURE O3 8 Good 33 39 PPB
1:00 AM CAMP CO 8 Good 6 0.5 PPM
1:00 AM CAMP NO2 1 Good 5 5 PPB
1:00 AM CAMP NO2 1 Good 5 5 PPB
1:00 AM CAMP O3 8 Good 25 30 PPB
1:00 AM CAMP PM10 24 Good 31 33 µg/m3
1:00 AM CAMP PM2.5 24 Moderate 62 17 µg/m3
1:00 AM CASA CO 8 Good 3 0.3 PPM
1:00 AM CASA O3 8 Good 24 28 PPB
1:00 AM CASA PM10 24 Good 22 24 µg/m3
1:00 AM CASA PM2.5 24 Moderate 67 20 µg/m3
1:00 AM CCOL PM2.5 24 Good 23 6 µg/m3
1:00 AM CHAT O3 8 Good 31 36 PPB
1:00 AM CHAT PM2.5 24 Good 43 10 µg/m3
1:00 AM CTZ O3 8 Good 27 32 PPB
1:00 AM DELT PM2.5 24 Good 24 6 µg/m3
1:00 AM FTC CO 8 Good 6 0.5 PPM
1:00 AM FTC O3 8 Good 25 30 PPB
1:00 AM FTCF PM10 24 Good 30 32 µg/m3
1:00 AM FTCF PM2.5 24 Moderate 83 27 µg/m3
1:00 AM FTCW O3 8 Good 31 36 PPB
1:00 AM GJCT CO 8 Good 1 0.1 PPM
1:00 AM GJPB PM10 24 Good 6 7 µg/m3
1:00 AM GJPB PM2.5 24 Good 15 4 µg/m3
1:00 AM GRET O3 8 Good 39 46 PPB
1:00 AM H24 CO 8 Good 3 0.3 PPM
1:00 AM I-25 CO 8 Good 6 0.5 PPM
1:00 AM I-25 NO2 1 Good 6 6 PPB
1:00 AM I-25 PM10 24 Good 30 32 µg/m3
1:00 AM I-25 PM2.5 24 Moderate 74 23 µg/m3
1:00 AM LNGM PM2.5 24 Moderate 56 15 µg/m3
1:00 AM MAN O3 8 Good 31 37 PPB
1:00 AM NJH PM2.5 24 Moderate 58 16 µg/m3
1:00 AM NREL O3 8 Good 31 36 PPB
1:00 AM PAL O3 8 Good 38 45 PPB
1:00 AM RFN O3 8 Good 32 38 PPB
1:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
1:00 AM RIFLO3 O3 8 Good 31 37 PPB
1:00 AM SBC O3 8 Good 28 33 PPB
1:00 AM WBY CO 8 Good 5 0.4 PPM
1:00 AM WBY NO2 1 Good 4 4 PPB
1:00 AM WBY NO2 1 Good 4 4 PPB
1:00 AM WBY O3 8 Good 31 36 PPB
1:00 AM WBY PM10 24 Good 17 18 µg/m3
1:00 AM WCH O3 8 Good 30 35 PPB

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