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AQI Calculations on 07/20/2017 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.

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.
3:00 AM CAMP SO2 1 Good 1 1 PPB
3:00 AM CAMP SO2 1 Good 1 1 PPB
2:00 AM CAMP SO2 1 Good 1 1 PPB
2:00 AM CAMP SO2 1 Good 1 1 PPB
2:00 AM CASA SO2 1 Good 1 1 PPB
1:00 AM CAMP SO2 1 Good 3 2 PPB
1:00 AM CAMP SO2 1 Good 3 2 PPB
5:00 AM ADM PM2.5 24 Good 27 7 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 17 4 µg/m3
5:00 AM BOU PM2.5 24 Good 20 5 µg/m3
5:00 AM CAMP PM2.5 24 Good 22 5 µg/m3
5:00 AM CASA PM2.5 24 Good 22 5 µg/m3
5:00 AM CCOL PM2.5 24 Good 13 3 µg/m3
5:00 AM CHAT PM2.5 24 Good 24 6 µg/m3
5:00 AM DELT PM2.5 24 Good 23 6 µg/m3
5:00 AM FTCF PM2.5 24 Good 24 6 µg/m3
5:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
5:00 AM GREH PM2.5 24 Good 22 5 µg/m3
5:00 AM I25DEN PM2.5 24 Good 22 5 µg/m3
5:00 AM I25GLO PM2.5 24 Good 25 6 µg/m3
5:00 AM LNGM PM2.5 24 Good 36 9 µg/m3
5:00 AM NJH PM2.5 24 Good 27 6 µg/m3
5:00 AM SWAN PM2.5 24 Good 32 8 µg/m3
4:00 AM ADM PM2.5 24 Good 26 6 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 17 4 µg/m3
4:00 AM BOU PM2.5 24 Good 20 5 µg/m3
4:00 AM CAMP PM2.5 24 Good 22 5 µg/m3
4:00 AM CASA PM2.5 24 Good 22 5 µg/m3
4:00 AM CCOL PM2.5 24 Good 13 3 µg/m3
4:00 AM CHAT PM2.5 24 Good 24 6 µg/m3
4:00 AM DELT PM2.5 24 Good 23 6 µg/m3
4:00 AM FTCF PM2.5 24 Good 24 6 µg/m3
4:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
4:00 AM GREH PM2.5 24 Good 21 5 µg/m3
4:00 AM I25DEN PM2.5 24 Good 21 5 µg/m3
4:00 AM I25GLO PM2.5 24 Good 25 6 µg/m3
4:00 AM LNGM PM2.5 24 Good 36 9 µg/m3
4:00 AM NJH PM2.5 24 Good 26 6 µg/m3
4:00 AM SWAN PM2.5 24 Good 32 8 µg/m3
3:00 AM ADM PM2.5 24 Good 26 6 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
3:00 AM BOU PM2.5 24 Good 21 5 µg/m3
3:00 AM CAMP PM2.5 24 Good 22 5 µg/m3
3:00 AM CASA PM2.5 24 Good 21 5 µg/m3
3:00 AM CCOL PM2.5 24 Good 12 3 µg/m3
3:00 AM CHAT PM2.5 24 Good 25 6 µg/m3
3:00 AM DELT PM2.5 24 Good 23 6 µg/m3
3:00 AM FTCF PM2.5 24 Good 24 6 µg/m3
3:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
3:00 AM GREH PM2.5 24 Good 21 5 µg/m3
3:00 AM I25DEN PM2.5 24 Good 21 5 µg/m3
3:00 AM I25GLO PM2.5 24 Good 25 6 µg/m3
3:00 AM LNGM PM2.5 24 Good 36 9 µg/m3
3:00 AM NJH PM2.5 24 Good 26 6 µg/m3
3:00 AM SWAN PM2.5 24 Good 32 8 µg/m3
2:00 AM ADM PM2.5 24 Good 25 6 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 18 4 µg/m3
2:00 AM CAMP PM2.5 24 Good 21 5 µg/m3
2:00 AM CASA PM2.5 24 Good 21 5 µg/m3
2:00 AM CCOL PM2.5 24 Good 12 3 µg/m3
2:00 AM CHAT PM2.5 24 Good 25 6 µg/m3
2:00 AM DELT PM2.5 24 Good 23 6 µg/m3
2:00 AM FTCF PM2.5 24 Good 24 6 µg/m3
2:00 AM GJPB PM2.5 24 Good 14 3 µg/m3
2:00 AM GREH PM2.5 24 Good 21 5 µg/m3
2:00 AM I25DEN PM2.5 24 Good 20 5 µg/m3
2:00 AM I25GLO PM2.5 24 Good 25 6 µg/m3
2:00 AM SWAN PM2.5 24 Good 32 8 µg/m3
5:00 AM ADM PM10 24 Good 28 30 µg/m3
5:00 AM ASPN2 PM10 24 Good 10 11 µg/m3
5:00 AM CAMP PM10 24 Good 16 17 µg/m3
5:00 AM CASA PM10 24 Good 19 21 µg/m3
5:00 AM CCOL PM10 24 Good 6 6 µg/m3
5:00 AM CHAT PM10 24 Good 16 17 µg/m3
5:00 AM FTCF PM10 24 Good 25 27 µg/m3
5:00 AM GJPB PM10 24 Good 8 9 µg/m3
5:00 AM GREH PM10 24 Good 16 17 µg/m3
5:00 AM I25GLO PM10 24 Good 27 29 µg/m3
5:00 AM SWAN PM10 24 Good 41 44 µg/m3
5:00 AM WBY PM10 24 Good 40 43 µg/m3
4:00 AM ADM PM10 24 Good 27 29 µg/m3
4:00 AM ASPN2 PM10 24 Good 11 12 µg/m3
4:00 AM CAMP PM10 24 Good 16 17 µg/m3
4:00 AM CASA PM10 24 Good 19 21 µg/m3
4:00 AM CCOL PM10 24 Good 6 6 µg/m3
4:00 AM CHAT PM10 24 Good 16 17 µg/m3
4:00 AM FTCF PM10 24 Good 26 28 µg/m3
4:00 AM GJPB PM10 24 Good 8 9 µg/m3
4:00 AM GREH PM10 24 Good 16 17 µg/m3
4:00 AM I25GLO PM10 24 Good 27 29 µg/m3
4:00 AM SWAN PM10 24 Good 41 44 µg/m3
4:00 AM WBY PM10 24 Good 39 42 µg/m3
3:00 AM ADM PM10 24 Good 28 30 µg/m3
3:00 AM ASPN2 PM10 24 Good 11 12 µg/m3
3:00 AM CAMP PM10 24 Good 17 18 µg/m3
3:00 AM CASA PM10 24 Good 19 21 µg/m3
3:00 AM CCOL PM10 24 Good 6 6 µg/m3
3:00 AM CHAT PM10 24 Good 17 18 µg/m3
3:00 AM FTCF PM10 24 Good 27 29 µg/m3
3:00 AM GJPB PM10 24 Good 8 9 µg/m3
3:00 AM GREH PM10 24 Good 17 18 µg/m3
3:00 AM I25GLO PM10 24 Good 27 29 µg/m3
3:00 AM SWAN PM10 24 Good 43 46 µg/m3
3:00 AM WBY PM10 24 Good 40 43 µg/m3
2:00 AM ADM PM10 24 Good 28 30 µg/m3
2:00 AM ASPN2 PM10 24 Good 11 12 µg/m3
2:00 AM CAMP PM10 24 Good 17 18 µg/m3
2:00 AM CASA PM10 24 Good 20 22 µg/m3
2:00 AM CCOL PM10 24 Good 6 6 µg/m3
2:00 AM CHAT PM10 24 Good 17 18 µg/m3
2:00 AM FTCF PM10 24 Good 28 30 µg/m3
2:00 AM GJPB PM10 24 Good 8 9 µg/m3
2:00 AM GREH PM10 24 Good 18 19 µg/m3
2:00 AM I25GLO PM10 24 Good 28 30 µg/m3
2:00 AM SWAN PM10 24 Good 44 47 µg/m3
2:00 AM WBY PM10 24 Good 40 43 µg/m3
5:00 AM ACAD O3 8 Good 38 41 PPB
5:00 AM ASP O3 8 Good 36 40 PPB
5:00 AM ASPN O3 8 Good 19 22 PPB
5:00 AM AURE O3 8 Good 41 44 PPB
5:00 AM BOUR O3 8 Good 30 33 PPB
5:00 AM CAMP O3 8 Good 25 27 PPB
5:00 AM CASA O3 8 Good 21 24 PPB
5:00 AM CHAT O3 8 Good 32 36 PPB
5:00 AM CTZ O3 8 Good 43 47 PPB
5:00 AM ELK O3 8 Good 23 25 PPB
5:00 AM FTC O3 8 Good 31 33 PPB
5:00 AM FTCW O3 8 Good 36 39 PPB
5:00 AM GRET O3 8 Good 34 37 PPB
5:00 AM HLD O3 8 Good 32 35 PPB
5:00 AM MAN O3 8 Good 43 46 PPB
5:00 AM PAL O3 8 Good 35 38 PPB
5:00 AM PDX O3 8 Good 38 42 PPB
5:00 AM RFN O3 8 Good 39 42 PPB
5:00 AM RIFLO3 O3 8 Good 22 25 PPB
5:00 AM WBY O3 8 Good 24 27 PPB
5:00 AM WCH O3 8 Good 35 39 PPB
4:00 AM ACAD O3 8 Good 43 47 PPB
4:00 AM ASP O3 8 Good 38 42 PPB
4:00 AM ASPN O3 8 Good 21 23 PPB
4:00 AM AURE O3 8 Good 42 46 PPB
4:00 AM BOUR O3 8 Good 33 36 PPB
4:00 AM CAMP O3 8 Good 27 29 PPB
4:00 AM CASA O3 8 Good 26 28 PPB
4:00 AM CHAT O3 8 Good 35 39 PPB
4:00 AM CTZ O3 8 Good 44 48 PPB
4:00 AM ELK O3 8 Good 22 25 PPB
4:00 AM FTC O3 8 Good 32 36 PPB
4:00 AM FTCW O3 8 Good 38 41 PPB
4:00 AM GRET O3 8 Good 36 40 PPB
4:00 AM HLD O3 8 Good 36 39 PPB
4:00 AM MAN O3 8 Good 45 50 PPB
4:00 AM PAL O3 8 Good 37 41 PPB
4:00 AM PDX O3 8 Good 39 43 PPB
4:00 AM RFN O3 8 Good 41 45 PPB
4:00 AM RIFLO3 O3 8 Good 25 27 PPB
4:00 AM WBY O3 8 Good 28 30 PPB
4:00 AM WCH O3 8 Good 39 42 PPB
3:00 AM ACAD O3 8 Good 46 51 PPB
3:00 AM ASP O3 8 Good 40 44 PPB
3:00 AM ASPN O3 8 Good 23 25 PPB
3:00 AM AURE O3 8 Good 43 47 PPB
3:00 AM BOUR O3 8 Good 36 40 PPB
3:00 AM CAMP O3 8 Good 29 31 PPB
3:00 AM CASA O3 8 Good 29 32 PPB
3:00 AM CHAT O3 8 Good 37 41 PPB
3:00 AM CTZ O3 8 Good 45 50 PPB
3:00 AM ELK O3 8 Good 24 26 PPB
3:00 AM FTC O3 8 Good 35 38 PPB
3:00 AM FTCW O3 8 Good 41 44 PPB
3:00 AM GRET O3 8 Good 37 41 PPB
3:00 AM HLD O3 8 Good 38 41 PPB
3:00 AM MAN O3 8 Good 49 53 PPB
3:00 AM PAL O3 8 Good 39 43 PPB
3:00 AM PDX O3 8 Good 38 41 PPB
3:00 AM RFN O3 8 Good 44 47 PPB
3:00 AM RIFLO3 O3 8 Good 28 30 PPB
3:00 AM WBY O3 8 Good 30 32 PPB
3:00 AM WCH O3 8 Good 41 45 PPB
2:00 AM ACAD O3 8 Good 49 54 PPB
2:00 AM ASP O3 8 Good 42 46 PPB
2:00 AM ASPN O3 8 Good 25 28 PPB
2:00 AM AURE O3 8 Good 44 48 PPB
2:00 AM BOUR O3 8 Good 40 43 PPB
2:00 AM CAMP O3 8 Good 31 35 PPB
2:00 AM CASA O3 8 Good 32 36 PPB
2:00 AM CHAT O3 8 Good 39 43 PPB
2:00 AM CTZ O3 8 Good 47 52 PPB
2:00 AM ELK O3 8 Good 25 27 PPB
2:00 AM FTC O3 8 Good 37 41 PPB
2:00 AM FTCW O3 8 Good 43 47 PPB
2:00 AM GRET O3 8 Good 37 41 PPB
2:00 AM HLD O3 8 Good 40 43 PPB
2:00 AM MAN O3 8 Good 50 55 PPB
2:00 AM PAL O3 8 Good 41 45 PPB
2:00 AM PDX O3 8 Good 39 42 PPB
2:00 AM RFN O3 8 Good 45 50 PPB
2:00 AM RIFLO3 O3 8 Good 30 32 PPB
2:00 AM WBY O3 8 Good 32 35 PPB
2:00 AM WCH O3 8 Good 44 48 PPB
1:00 AM ACAD O3 8 Good 50 55 PPB
1:00 AM ASP O3 8 Good 44 47 PPB
1:00 AM ASPN O3 8 Good 27 29 PPB
1:00 AM AURE O3 8 Good 46 50 PPB
1:00 AM BOUR O3 8 Good 42 46 PPB
1:00 AM CAMP O3 8 Good 34 38 PPB
1:00 AM CASA O3 8 Good 36 39 PPB
1:00 AM CHAT O3 8 Good 42 46 PPB
1:00 AM CTZ O3 8 Good 48 53 PPB
1:00 AM ELK O3 8 Good 26 29 PPB
1:00 AM FTC O3 8 Good 38 42 PPB
1:00 AM FTCW O3 8 Good 44 48 PPB
1:00 AM GRET O3 8 Good 38 41 PPB
1:00 AM HLD O3 8 Good 43 46 PPB
1:00 AM MAN O3 8 Moderate 51 56 PPB
1:00 AM PAL O3 8 Good 43 47 PPB
1:00 AM PDX O3 8 Good 41 44 PPB
1:00 AM RFN O3 8 Good 47 52 PPB
1:00 AM RIFLO3 O3 8 Good 31 34 PPB
1:00 AM WBY O3 8 Good 35 38 PPB
1:00 AM WCH O3 8 Good 45 50 PPB
5:00 AM CAMP NO2 1 Good 15 16 PPB
5:00 AM CAMP NO2 1 Good 15 16 PPB
5:00 AM CASA NO2 1 Good 21 22 PPB
5:00 AM I25DEN NO2 1 Good 30 32 PPB
5:00 AM I25GLO NO2 1 Good 29 31 PPB
5:00 AM SWAN NO2 1 Good 27 29 PPB
5:00 AM WBY NO2 1 Good 17 18 PPB
5:00 AM WBY NO2 1 Good 17 18 PPB
4:00 AM CAMP NO2 1 Good 9 10 PPB
4:00 AM CAMP NO2 1 Good 9 10 PPB
4:00 AM CASA NO2 1 Good 19 20 PPB
4:00 AM I25DEN NO2 1 Good 22 23 PPB
4:00 AM I25GLO NO2 1 Good 11 12 PPB
4:00 AM SWAN NO2 1 Good 21 22 PPB
4:00 AM WBY NO2 1 Good 7 7 PPB
4:00 AM WBY NO2 1 Good 7 7 PPB
3:00 AM CAMP NO2 1 Good 16 17 PPB
3:00 AM CAMP NO2 1 Good 16 17 PPB
3:00 AM CASA NO2 1 Good 17 18 PPB
3:00 AM I25DEN NO2 1 Good 26 28 PPB
3:00 AM I25GLO NO2 1 Good 13 14 PPB
3:00 AM SWAN NO2 1 Good 14 15 PPB
3:00 AM WBY NO2 1 Good 7 7 PPB
3:00 AM WBY NO2 1 Good 7 7 PPB
2:00 AM CAMP NO2 1 Good 19 20 PPB
2:00 AM CAMP NO2 1 Good 19 20 PPB
2:00 AM CASA NO2 1 Good 16 17 PPB
2:00 AM I25DEN NO2 1 Good 22 23 PPB
2:00 AM I25GLO NO2 1 Good 18 19 PPB
2:00 AM SWAN NO2 1 Good 25 26 PPB
2:00 AM WBY NO2 1 Good 8 8 PPB
2:00 AM WBY NO2 1 Good 8 8 PPB
1:00 AM CAMP NO2 1 Good 21 22 PPB
1:00 AM CAMP NO2 1 Good 21 22 PPB
1:00 AM CASA NO2 1 Good 15 16 PPB
1:00 AM I25DEN NO2 1 Good 22 23 PPB
1:00 AM I25GLO NO2 1 Good 32 34 PPB
1:00 AM SWAN NO2 1 Good 25 26 PPB
1:00 AM WBY NO2 1 Good 11 12 PPB
1:00 AM WBY NO2 1 Good 11 12 PPB
5:00 AM CAMP CO 8 Good 2 0.2 PPM
5:00 AM CASA CO 8 Good 1 0.1 PPM
5:00 AM FTC CO 8 Good 0 0.0 PPM
5:00 AM GJCT CO 8 Good 1 0.1 PPM
5:00 AM GRET CO 8 Good 1 0.1 PPM
5:00 AM H24 CO 8 Good 0 0.0 PPM
5:00 AM I25DEN CO 8 Good 3 0.3 PPM
5:00 AM SWAN CO 8 Good 3 0.3 PPM
5:00 AM WBY CO 8 Good 1 0.1 PPM
4:00 AM CAMP CO 8 Good 2 0.2 PPM
4:00 AM CASA CO 8 Good 1 0.1 PPM
4:00 AM FTC CO 8 Good 1 0.1 PPM
4:00 AM GJCT CO 8 Good 1 0.1 PPM
4:00 AM GRET CO 8 Good 1 0.1 PPM
4:00 AM H24 CO 8 Good 0 0.0 PPM
4:00 AM I25DEN CO 8 Good 2 0.2 PPM
4:00 AM SWAN CO 8 Good 2 0.2 PPM
4:00 AM WBY CO 8 Good 1 0.1 PPM
3:00 AM CAMP CO 8 Good 2 0.2 PPM
3:00 AM CASA CO 8 Good 1 0.1 PPM
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM GJCT CO 8 Good 1 0.1 PPM
3:00 AM GRET CO 8 Good 1 0.1 PPM
3:00 AM H24 CO 8 Good 0 0.0 PPM
3:00 AM I25DEN CO 8 Good 2 0.2 PPM
3:00 AM SWAN CO 8 Good 2 0.2 PPM
3:00 AM WBY CO 8 Good 1 0.1 PPM
2:00 AM CAMP CO 8 Good 2 0.2 PPM
2:00 AM CASA CO 8 Good 1 0.1 PPM
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM GJCT CO 8 Good 1 0.1 PPM
2:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM H24 CO 8 Good 0 0.0 PPM
2:00 AM I25DEN CO 8 Good 2 0.2 PPM
2:00 AM SWAN CO 8 Good 2 0.2 PPM
2:00 AM WBY CO 8 Good 1 0.1 PPM
1:00 AM CAMP CO 8 Good 2 0.2 PPM
1:00 AM CASA CO 8 Good 1 0.1 PPM
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM GJCT CO 8 Good 1 0.1 PPM
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM H24 CO 8 Good 0 0.0 PPM
1:00 AM I25DEN CO 8 Good 2 0.2 PPM
1:00 AM SWAN CO 8 Good 2 0.2 PPM
1:00 AM WBY CO 8 Good 1 0.1 PPM

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