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AQI Calculations on 02/10/2016 1:00AM - 5:00AM

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.
5:00 AM ACAD O3 8 Good 34 37 PPB
5:00 AM ASP O3 8 Good 43 46 PPB
5:00 AM ASPN O3 8 Good 40 43 PPB
5:00 AM ASPN2 PM10 24 Good 8 9 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 25 6 µg/m3
5:00 AM AURE O3 8 Good 43 46 PPB
5:00 AM CAMP CO 8 Good 1 0.1 PPM
5:00 AM CAMP NO2 1 Good 20 21 PPB
5:00 AM CAMP NO2 1 Good 20 21 PPB
5:00 AM CAMP O3 8 Good 23 25 PPB
5:00 AM CAMP PM10 24 Good 29 31 µg/m3
5:00 AM CAMP PM2.5 24 Good 25 6 µg/m3
5:00 AM CAMP SO2 1 Good 1 1 PPB
5:00 AM CAMP SO2 1 Good 1 1 PPB
5:00 AM CASA CO 8 Good 3 0.3 PPM
5:00 AM CASA O3 8 Good 9 10 PPB
5:00 AM CASA PM10 24 Good 17 18 µg/m3
5:00 AM CASA PM2.5 24 Good 20 5 µg/m3
5:00 AM CASA SO2 1 Good 1 1 PPB
5:00 AM CHAT O3 8 Good 36 39 PPB
5:00 AM CTZ O3 8 Good 26 28 PPB
5:00 AM DELT PM2.5 24 Moderate 56 15 µg/m3
5:00 AM ELK O3 8 Good 44 48 PPB
5:00 AM FTC CO 8 Good 12 1.1 PPM
5:00 AM FTCF PM10 24 Good 19 21 µg/m3
5:00 AM FTCF PM2.5 24 Moderate 52 12 µg/m3
5:00 AM FTCW O3 8 Good 20 22 PPB
5:00 AM GJCT CO 8 Good 6 0.5 PPM
5:00 AM GJPB PM10 24 Good 19 20 µg/m3
5:00 AM GJPB PM2.5 24 Moderate 53 13 µg/m3
5:00 AM GLO NO2 1 Good 46 49 PPB
5:00 AM GLO PM10 24 Good 35 38 µg/m3
5:00 AM GLO PM2.5 24 Good 41 10 µg/m3
5:00 AM GREH PM2.5 24 Moderate 57 15 µg/m3
5:00 AM GRET O3 8 Good 4 4 PPB
5:00 AM H24 CO 8 Good 6 0.5 PPM
5:00 AM H24 SO2 1 Good 1 1 PPB
5:00 AM HLD O3 8 Good 39 42 PPB
5:00 AM I-25 CO 8 Good 7 0.6 PPM
5:00 AM I-25 NO2 1 Good 40 42 PPB
5:00 AM I-25 PM10 24 Good 32 35 µg/m3
5:00 AM I-25 PM2.5 24 Good 33 8 µg/m3
5:00 AM LNGM PM2.5 24 Good 34 8 µg/m3
5:00 AM MAN O3 8 Good 41 44 PPB
5:00 AM NJH PM2.5 24 Good 22 5 µg/m3
5:00 AM NREL O3 8 Good 44 48 PPB
5:00 AM PAL O3 8 Good 31 33 PPB
5:00 AM RFN O3 8 Good 46 50 PPB
5:00 AM RIFL PM2.5 24 Good 37 9 µg/m3
5:00 AM RIFLO3 O3 8 Good 20 22 PPB
5:00 AM WBY CO 8 Good 5 0.4 PPM
5:00 AM WBY NO2 1 Good 45 48 PPB
5:00 AM WBY NO2 1 Good 45 48 PPB
5:00 AM WBY O3 8 Good 1 1 PPB
5:00 AM WBY PM10 24 Good 23 25 µg/m3
5:00 AM WBY SO2 1 Good 4 3 PPB
5:00 AM WBY SO2 1 Good 4 3 PPB
5:00 AM WCH O3 8 Good 44 47 PPB
4:00 AM ACAD O3 8 Good 30 32 PPB
4:00 AM ASP O3 8 Good 43 46 PPB
4:00 AM ASPN O3 8 Good 40 43 PPB
4:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 23 6 µg/m3
4:00 AM AURE O3 8 Good 42 45 PPB
4:00 AM CAMP CO 8 Good 1 0.1 PPM
4:00 AM CAMP NO2 1 Good 12 13 PPB
4:00 AM CAMP NO2 1 Good 12 13 PPB
4:00 AM CAMP O3 8 Good 23 25 PPB
4:00 AM CAMP PM10 24 Good 28 30 µg/m3
4:00 AM CAMP PM2.5 24 Good 25 6 µg/m3
4:00 AM CAMP SO2 1 Good 3 2 PPB
4:00 AM CAMP SO2 1 Good 3 2 PPB
4:00 AM CASA CO 8 Good 3 0.3 PPM
4:00 AM CASA O3 8 Good 8 9 PPB
4:00 AM CASA PM10 24 Good 17 18 µg/m3
4:00 AM CASA PM2.5 24 Good 21 5 µg/m3
4:00 AM CHAT O3 8 Good 35 38 PPB
4:00 AM CTZ O3 8 Good 25 27 PPB
4:00 AM DELT PM2.5 24 Moderate 57 15 µg/m3
4:00 AM ELK O3 8 Good 44 47 PPB
4:00 AM FTC CO 8 Good 14 1.2 PPM
4:00 AM FTCF PM10 24 Good 19 21 µg/m3
4:00 AM FTCF PM2.5 24 Moderate 51 12 µg/m3
4:00 AM FTCW O3 8 Good 18 19 PPB
4:00 AM GJCT CO 8 Good 6 0.5 PPM
4:00 AM GJPB PM10 24 Good 19 20 µg/m3
4:00 AM GJPB PM2.5 24 Moderate 53 13 µg/m3
4:00 AM GLO NO2 1 Good 26 28 PPB
4:00 AM GLO PM10 24 Good 35 38 µg/m3
4:00 AM GLO PM2.5 24 Good 41 10 µg/m3
4:00 AM GREH PM2.5 24 Moderate 58 15 µg/m3
4:00 AM GRET O3 8 Good 6 6 PPB
4:00 AM H24 CO 8 Good 7 0.6 PPM
4:00 AM H24 SO2 1 Good 1 1 PPB
4:00 AM HLD O3 8 Good 38 41 PPB
4:00 AM I-25 CO 8 Good 7 0.6 PPM
4:00 AM I-25 NO2 1 Good 38 40 PPB
4:00 AM I-25 PM10 24 Good 31 34 µg/m3
4:00 AM I-25 PM2.5 24 Good 33 8 µg/m3
4:00 AM LNGM PM2.5 24 Good 35 9 µg/m3
4:00 AM MAN O3 8 Good 40 43 PPB
4:00 AM NJH PM2.5 24 Good 24 6 µg/m3
4:00 AM NREL O3 8 Good 44 47 PPB
4:00 AM PAL O3 8 Good 31 34 PPB
4:00 AM RFN O3 8 Good 45 49 PPB
4:00 AM RIFL PM2.5 24 Good 35 9 µg/m3
4:00 AM RIFLO3 O3 8 Good 20 22 PPB
4:00 AM WBY CO 8 Good 5 0.4 PPM
4:00 AM WBY NO2 1 Good 42 44 PPB
4:00 AM WBY NO2 1 Good 42 44 PPB
4:00 AM WBY O3 8 Good 1 1 PPB
4:00 AM WBY PM10 24 Good 23 25 µg/m3
4:00 AM WBY SO2 1 Good 3 2 PPB
4:00 AM WBY SO2 1 Good 3 2 PPB
4:00 AM WCH O3 8 Good 42 45 PPB
3:00 AM ACAD O3 8 Good 26 28 PPB
3:00 AM ASP O3 8 Good 42 45 PPB
3:00 AM ASPN O3 8 Good 40 43 PPB
3:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 23 6 µg/m3
3:00 AM AURE O3 8 Good 42 45 PPB
3:00 AM CAMP CO 8 Good 2 0.2 PPM
3:00 AM CAMP NO2 1 Good 14 15 PPB
3:00 AM CAMP NO2 1 Good 14 15 PPB
3:00 AM CAMP O3 8 Good 21 23 PPB
3:00 AM CAMP PM10 24 Good 28 30 µg/m3
3:00 AM CAMP PM2.5 24 Good 26 6 µg/m3
3:00 AM CAMP SO2 1 Good 1 1 PPB
3:00 AM CAMP SO2 1 Good 1 1 PPB
3:00 AM CASA CO 8 Good 3 0.3 PPM
3:00 AM CASA O3 8 Good 8 9 PPB
3:00 AM CASA PM10 24 Good 17 18 µg/m3
3:00 AM CASA PM2.5 24 Good 21 5 µg/m3
3:00 AM CASA SO2 1 Good 1 1 PPB
3:00 AM CHAT O3 8 Good 35 38 PPB
3:00 AM CHAT PM2.5 24 Good 5 1 µg/m3
3:00 AM CTZ O3 8 Good 25 27 PPB
3:00 AM DELT PM2.5 24 Moderate 58 15 µg/m3
3:00 AM ELK O3 8 Good 43 46 PPB
3:00 AM FTC CO 8 Good 15 1.3 PPM
3:00 AM FTC O3 8 Good 0 0 PPB
3:00 AM FTCF PM10 24 Good 19 21 µg/m3
3:00 AM FTCF PM2.5 24 Good 50 12 µg/m3
3:00 AM FTCW O3 8 Good 19 21 PPB
3:00 AM GJCT CO 8 Good 6 0.5 PPM
3:00 AM GJPB PM10 24 Good 19 20 µg/m3
3:00 AM GJPB PM2.5 24 Moderate 52 13 µg/m3
3:00 AM GLO NO2 1 Good 25 26 PPB
3:00 AM GLO PM10 24 Good 35 38 µg/m3
3:00 AM GLO PM2.5 24 Good 42 10 µg/m3
3:00 AM GREH PM2.5 24 Moderate 58 15 µg/m3
3:00 AM GRET O3 8 Good 9 10 PPB
3:00 AM H24 CO 8 Good 7 0.6 PPM
3:00 AM H24 SO2 1 Good 1 1 PPB
3:00 AM HLD O3 8 Good 37 40 PPB
3:00 AM I-25 CO 8 Good 8 0.7 PPM
3:00 AM I-25 NO2 1 Good 38 40 PPB
3:00 AM I-25 PM10 24 Good 31 34 µg/m3
3:00 AM I-25 PM2.5 24 Good 33 8 µg/m3
3:00 AM LNGM PM2.5 24 Good 37 9 µg/m3
3:00 AM MAN O3 8 Good 38 41 PPB
3:00 AM NJH PM2.5 24 Good 25 6 µg/m3
3:00 AM NREL O3 8 Good 43 46 PPB
3:00 AM PAL O3 8 Good 32 35 PPB
3:00 AM RFN O3 8 Good 45 49 PPB
3:00 AM RIFL PM2.5 24 Good 34 8 µg/m3
3:00 AM RIFLO3 O3 8 Good 21 23 PPB
3:00 AM WBY CO 8 Good 5 0.4 PPM
3:00 AM WBY NO2 1 Good 43 46 PPB
3:00 AM WBY NO2 1 Good 43 46 PPB
3:00 AM WBY O3 8 Good 1 1 PPB
3:00 AM WBY PM10 24 Good 23 25 µg/m3
3:00 AM WBY SO2 1 Good 3 2 PPB
3:00 AM WBY SO2 1 Good 3 2 PPB
3:00 AM WCH O3 8 Good 41 44 PPB
2:00 AM ACAD O3 8 Good 22 24 PPB
2:00 AM ASP O3 8 Good 40 43 PPB
2:00 AM ASPN O3 8 Good 39 42 PPB
2:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 23 6 µg/m3
2:00 AM AURE O3 8 Good 43 46 PPB
2:00 AM CAMP CO 8 Good 2 0.2 PPM
2:00 AM CAMP NO2 1 Good 14 15 PPB
2:00 AM CAMP NO2 1 Good 14 15 PPB
2:00 AM CAMP O3 8 Good 19 20 PPB
2:00 AM CAMP PM10 24 Good 28 30 µg/m3
2:00 AM CAMP PM2.5 24 Good 27 6 µg/m3
2:00 AM CAMP SO2 1 Good 1 1 PPB
2:00 AM CAMP SO2 1 Good 1 1 PPB
2:00 AM CASA CO 8 Good 5 0.4 PPM
2:00 AM CASA O3 8 Good 7 8 PPB
2:00 AM CASA PM10 24 Good 17 18 µg/m3
2:00 AM CASA PM2.5 24 Good 22 5 µg/m3
2:00 AM CASA SO2 1 Good 1 1 PPB
2:00 AM CHAT O3 8 Good 34 37 PPB
2:00 AM CHAT PM2.5 24 Good 5 1 µg/m3
2:00 AM CTZ O3 8 Good 26 28 PPB
2:00 AM DELT PM2.5 24 Moderate 58 16 µg/m3
2:00 AM ELK O3 8 Good 41 44 PPB
2:00 AM FTC CO 8 Good 15 1.3 PPM
2:00 AM FTC O3 8 Good 1 1 PPB
2:00 AM FTCF PM10 24 Good 19 21 µg/m3
2:00 AM FTCF PM2.5 24 Good 50 12 µg/m3
2:00 AM FTCW O3 8 Good 22 24 PPB
2:00 AM GJCT CO 8 Good 5 0.4 PPM
2:00 AM GJPB PM10 24 Good 19 20 µg/m3
2:00 AM GJPB PM2.5 24 Moderate 53 13 µg/m3
2:00 AM GLO NO2 1 Good 25 26 PPB
2:00 AM GLO PM10 24 Good 35 38 µg/m3
2:00 AM GLO PM2.5 24 Good 42 10 µg/m3
2:00 AM GREH PM2.5 24 Moderate 58 16 µg/m3
2:00 AM GRET O3 8 Good 10 11 PPB
2:00 AM H24 CO 8 Good 8 0.7 PPM
2:00 AM H24 SO2 1 Good 1 1 PPB
2:00 AM HLD O3 8 Good 35 38 PPB
2:00 AM I-25 CO 8 Good 8 0.7 PPM
2:00 AM I-25 NO2 1 Good 38 40 PPB
2:00 AM I-25 PM10 24 Good 31 33 µg/m3
2:00 AM I-25 PM2.5 24 Good 33 8 µg/m3
2:00 AM LNGM PM2.5 24 Good 37 9 µg/m3
2:00 AM MAN O3 8 Good 36 39 PPB
2:00 AM NJH PM2.5 24 Good 27 6 µg/m3
2:00 AM NREL O3 8 Good 42 45 PPB
2:00 AM PAL O3 8 Good 33 36 PPB
2:00 AM RFN O3 8 Good 44 48 PPB
2:00 AM RIFL PM2.5 24 Good 34 8 µg/m3
2:00 AM RIFLO3 O3 8 Good 21 23 PPB
2:00 AM WBY CO 8 Good 5 0.4 PPM
2:00 AM WBY NO2 1 Good 43 46 PPB
2:00 AM WBY NO2 1 Good 43 46 PPB
2:00 AM WBY O3 8 Good 1 1 PPB
2:00 AM WBY PM10 24 Good 22 24 µg/m3
2:00 AM WBY SO2 1 Good 3 2 PPB
2:00 AM WBY SO2 1 Good 3 2 PPB
2:00 AM WCH O3 8 Good 40 43 PPB
1:00 AM ACAD O3 8 Good 19 21 PPB
1:00 AM ASP O3 8 Good 39 42 PPB
1:00 AM ASPN O3 8 Good 38 41 PPB
1:00 AM ASPN2 PM10 24 Good 7 8 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 24 6 µg/m3
1:00 AM AURE O3 8 Good 43 46 PPB
1:00 AM CAMP CO 8 Good 3 0.3 PPM
1:00 AM CAMP NO2 1 Good 25 27 PPB
1:00 AM CAMP NO2 1 Good 25 27 PPB
1:00 AM CAMP O3 8 Good 18 19 PPB
1:00 AM CAMP PM10 24 Good 28 30 µg/m3
1:00 AM CAMP PM2.5 24 Good 28 7 µg/m3
1:00 AM CAMP SO2 1 Good 1 1 PPB
1:00 AM CAMP SO2 1 Good 1 1 PPB
1:00 AM CASA CO 8 Good 5 0.4 PPM
1:00 AM CASA O3 8 Good 7 8 PPB
1:00 AM CASA PM10 24 Good 17 18 µg/m3
1:00 AM CASA PM2.5 24 Good 22 5 µg/m3
1:00 AM CHAT O3 8 Good 35 38 PPB
1:00 AM CHAT PM2.5 24 Good 5 1 µg/m3
1:00 AM CTZ O3 8 Good 27 29 PPB
1:00 AM DELT PM2.5 24 Moderate 59 16 µg/m3
1:00 AM ELK O3 8 Good 39 42 PPB
1:00 AM FTC CO 8 Good 14 1.2 PPM
1:00 AM FTC O3 8 Good 1 1 PPB
1:00 AM FTCF PM10 24 Good 19 20 µg/m3
1:00 AM FTCF PM2.5 24 Good 49 12 µg/m3
1:00 AM FTCW O3 8 Good 26 28 PPB
1:00 AM GJCT CO 8 Good 5 0.4 PPM
1:00 AM GJPB PM10 24 Good 19 20 µg/m3
1:00 AM GJPB PM2.5 24 Moderate 54 14 µg/m3
1:00 AM GLO NO2 1 Good 36 38 PPB
1:00 AM GLO PM10 24 Good 35 38 µg/m3
1:00 AM GLO PM2.5 24 Good 43 10 µg/m3
1:00 AM GREH PM2.5 24 Moderate 58 16 µg/m3
1:00 AM GRET O3 8 Good 12 13 PPB
1:00 AM H24 CO 8 Good 8 0.7 PPM
1:00 AM HLD O3 8 Good 33 36 PPB
1:00 AM I-25 CO 8 Good 8 0.7 PPM
1:00 AM I-25 NO2 1 Good 39 41 PPB
1:00 AM I-25 PM10 24 Good 31 33 µg/m3
1:00 AM I-25 PM2.5 24 Good 33 8 µg/m3
1:00 AM LNGM PM2.5 24 Good 37 9 µg/m3
1:00 AM MAN O3 8 Good 36 39 PPB
1:00 AM NJH PM2.5 24 Good 28 7 µg/m3
1:00 AM NREL O3 8 Good 42 45 PPB
1:00 AM PAL O3 8 Good 35 38 PPB
1:00 AM RFN O3 8 Good 43 46 PPB
1:00 AM RIFL PM2.5 24 Good 35 9 µg/m3
1:00 AM RIFLO3 O3 8 Good 22 24 PPB
1:00 AM WBY CO 8 Good 5 0.4 PPM
1:00 AM WBY NO2 1 Good 43 46 PPB
1:00 AM WBY NO2 1 Good 43 46 PPB
1:00 AM WBY O3 8 Good 4 4 PPB
1:00 AM WBY PM10 24 Good 22 24 µg/m3
1:00 AM WBY SO2 1 Good 4 3 PPB
1:00 AM WBY SO2 1 Good 4 3 PPB
1:00 AM WCH O3 8 Good 38 41 PPB

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