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AQI Calculations on 06/25/2017 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.
5:00 AM FTC CO 8 Good 0 0.0 PPM
4:00 AM FTC CO 8 Good 0 0.0 PPM
3:00 AM FTC CO 8 Good 0 0.0 PPM
2:00 AM FTC CO 8 Good 0 0.0 PPM
1:00 AM FTC CO 8 Good 0 0.0 PPM
5:00 AM CAMP CO 8 Good 1 0.1 PPM
5:00 AM CASA CO 8 Good 1 0.1 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 I25DEN CO 8 Good 1 0.1 PPM
5:00 AM WBY CO 8 Good 1 0.1 PPM
4:00 AM CAMP CO 8 Good 1 0.1 PPM
4:00 AM CASA 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 I25DEN CO 8 Good 1 0.1 PPM
4:00 AM WBY CO 8 Good 1 0.1 PPM
3:00 AM CAMP CO 8 Good 1 0.1 PPM
3:00 AM CASA 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 I25DEN CO 8 Good 1 0.1 PPM
3:00 AM WBY CO 8 Good 1 0.1 PPM
2:00 AM CAMP CO 8 Good 1 0.1 PPM
2:00 AM CASA 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 I25DEN CO 8 Good 1 0.1 PPM
2:00 AM WBY CO 8 Good 1 0.1 PPM
1:00 AM CAMP CO 8 Good 1 0.1 PPM
1:00 AM CASA 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 I25DEN CO 8 Good 1 0.1 PPM
1:00 AM WBY CO 8 Good 1 0.1 PPM
1:00 AM WBY NO2 1 Good 1 1 PPB
1:00 AM WBY NO2 1 Good 1 1 PPB
5:00 AM SWAN CO 8 Good 2 0.2 PPM
4:00 AM SWAN CO 8 Good 2 0.2 PPM
3:00 AM SWAN CO 8 Good 2 0.2 PPM
2:00 AM SWAN CO 8 Good 2 0.2 PPM
2:00 AM WBY NO2 1 Good 2 2 PPB
2:00 AM WBY NO2 1 Good 2 2 PPB
1:00 AM SWAN CO 8 Good 2 0.2 PPM
1:00 AM I25GLO NO2 1 Good 4 4 PPB
3:00 AM WBY NO2 1 Good 5 5 PPB
3:00 AM WBY NO2 1 Good 5 5 PPB
1:00 AM SWAN NO2 1 Good 5 5 PPB
2:00 AM SWAN NO2 1 Good 6 6 PPB
1:00 AM CAMP NO2 1 Good 6 6 PPB
1:00 AM CAMP NO2 1 Good 6 6 PPB
1:00 AM I25DEN NO2 1 Good 6 6 PPB
5:00 AM GJPB PM10 24 Good 7 8 µg/m3
2:00 AM I25GLO NO2 1 Good 7 7 PPB
5:00 AM GJPB PM2.5 24 Good 8 2 µg/m3
4:00 AM GJPB PM10 24 Good 8 9 µg/m3
3:00 AM GJPB PM10 24 Good 8 9 µg/m3
2:00 AM CAMP NO2 1 Good 8 9 PPB
2:00 AM CAMP NO2 1 Good 8 9 PPB
2:00 AM CASA NO2 1 Good 8 9 PPB
1:00 AM CASA NO2 1 Good 8 8 PPB
5:00 AM WBY NO2 1 Good 9 10 PPB
5:00 AM WBY NO2 1 Good 9 10 PPB
4:00 AM ASPN2 PM10 24 Good 9 10 µg/m3
4:00 AM GJPB PM2.5 24 Good 9 2 µg/m3
3:00 AM ASPN2 PM10 24 Good 9 10 µg/m3
3:00 AM GJPB PM2.5 24 Good 9 2 µg/m3
2:00 AM ASPN2 PM10 24 Good 9 10 µg/m3
2:00 AM GJPB PM10 24 Good 9 10 µg/m3
2:00 AM RIFL PM2.5 24 Good 9 2 µg/m3
1:00 AM ASPN2 PM10 24 Good 9 10 µg/m3
1:00 AM RIFL PM2.5 24 Good 9 2 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 10 3 µg/m3
4:00 AM CASA NO2 1 Good 10 11 PPB
4:00 AM WBY NO2 1 Good 10 11 PPB
4:00 AM WBY NO2 1 Good 10 11 PPB
3:00 AM ASPN2 PM2.5 24 Good 10 3 µg/m3
3:00 AM SWAN NO2 1 Good 10 11 PPB
2:00 AM ASPN2 PM2.5 24 Good 10 3 µg/m3
2:00 AM GJPB PM2.5 24 Good 10 2 µg/m3
1:00 AM GJPB PM10 24 Good 10 11 µg/m3
5:00 AM CASA NO2 1 Good 11 12 PPB
5:00 AM GREH PM10 24 Good 11 12 µg/m3
3:00 AM CASA NO2 1 Good 11 12 PPB
1:00 AM ASPN2 PM2.5 24 Good 11 3 µg/m3
1:00 AM GJPB PM2.5 24 Good 11 3 µg/m3
5:00 AM ASPN2 PM10 24 Good 12 13 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 12 3 µg/m3
5:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
4:00 AM GREH PM10 24 Good 12 13 µg/m3
4:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
3:00 AM RIFL PM2.5 24 Good 12 3 µg/m3
5:00 AM CAMP NO2 1 Good 13 14 PPB
5:00 AM CAMP NO2 1 Good 13 14 PPB
5:00 AM I25DEN NO2 1 Good 13 14 PPB
4:00 AM DELT PM2.5 24 Good 13 3 µg/m3
3:00 AM DELT PM2.5 24 Good 13 3 µg/m3
3:00 AM GREH PM10 24 Good 13 14 µg/m3
2:00 AM I25DEN NO2 1 Good 13 14 PPB
3:00 AM CAMP NO2 1 Good 14 15 PPB
3:00 AM CAMP NO2 1 Good 14 15 PPB
2:00 AM DELT PM2.5 24 Good 14 3 µg/m3
2:00 AM GREH PM10 24 Good 14 15 µg/m3
1:00 AM DELT PM2.5 24 Good 14 3 µg/m3
5:00 AM DELT PM2.5 24 Good 15 4 µg/m3
1:00 AM GREH PM10 24 Good 15 16 µg/m3
4:00 AM CAMP NO2 1 Good 17 18 PPB
4:00 AM CAMP NO2 1 Good 17 18 PPB
5:00 AM ADM PM10 24 Good 18 19 µg/m3
5:00 AM CAMP PM10 24 Good 18 19 µg/m3
5:00 AM CCOL PM10 24 Good 18 19 µg/m3
5:00 AM FTCF PM10 24 Good 18 19 µg/m3
5:00 AM SWAN NO2 1 Good 18 19 PPB
4:00 AM CAMP PM10 24 Good 18 19 µg/m3
4:00 AM CCOL PM10 24 Good 18 19 µg/m3
4:00 AM I25DEN NO2 1 Good 18 19 PPB
4:00 AM SWAN NO2 1 Good 18 19 PPB
3:00 AM CAMP PM10 24 Good 18 19 µg/m3
3:00 AM CCOL PM10 24 Good 18 19 µg/m3
2:00 AM CAMP PM10 24 Good 18 19 µg/m3
2:00 AM CCOL PM10 24 Good 18 19 µg/m3
1:00 AM CAMP PM10 24 Good 18 19 µg/m3
1:00 AM CCOL PM10 24 Good 18 19 µg/m3
5:00 AM I25DEN PM10 24 Good 19 21 µg/m3
4:00 AM ADM PM10 24 Good 19 20 µg/m3
4:00 AM FTCF PM10 24 Good 19 20 µg/m3
4:00 AM I25DEN PM10 24 Good 19 21 µg/m3
3:00 AM ADM PM10 24 Good 19 20 µg/m3
3:00 AM FTCF PM10 24 Good 19 20 µg/m3
3:00 AM I25DEN NO2 1 Good 19 20 PPB
3:00 AM I25DEN PM10 24 Good 19 21 µg/m3
2:00 AM ADM PM10 24 Good 19 20 µg/m3
2:00 AM FTCF PM10 24 Good 19 21 µg/m3
2:00 AM I25DEN PM10 24 Good 19 20 µg/m3
1:00 AM ADM PM10 24 Good 19 20 µg/m3
1:00 AM I25DEN PM10 24 Good 19 20 µg/m3
5:00 AM CASA PM10 24 Good 20 22 µg/m3
4:00 AM CASA PM10 24 Good 20 22 µg/m3
3:00 AM CASA PM10 24 Good 20 22 µg/m3
3:00 AM I25GLO NO2 1 Good 20 21 PPB
2:00 AM CASA PM10 24 Good 20 22 µg/m3
1:00 AM FTCF PM10 24 Good 20 22 µg/m3
1:00 AM CASA PM10 24 Good 21 23 µg/m3
1:00 AM CHAT PM10 24 Good 21 23 µg/m3
5:00 AM CHAT PM10 24 Good 22 24 µg/m3
5:00 AM GREH PM2.5 24 Good 22 5 µg/m3
5:00 AM WBY PM10 24 Good 22 24 µg/m3
4:00 AM CHAT PM10 24 Good 22 24 µg/m3
4:00 AM WBY PM10 24 Good 22 24 µg/m3
3:00 AM CHAT PM10 24 Good 22 24 µg/m3
3:00 AM WBY PM10 24 Good 22 24 µg/m3
2:00 AM CHAT PM10 24 Good 22 24 µg/m3
2:00 AM WBY PM10 24 Good 22 24 µg/m3
1:00 AM WBY PM10 24 Good 22 24 µg/m3
5:00 AM I25GLO NO2 1 Good 23 24 PPB
2:00 AM I25GLO PM10 24 Good 23 25 µg/m3
1:00 AM I25GLO PM10 24 Good 23 25 µg/m3
5:00 AM I25GLO PM10 24 Good 24 26 µg/m3
4:00 AM I25GLO PM10 24 Good 24 26 µg/m3
3:00 AM I25GLO PM10 24 Good 24 26 µg/m3
5:00 AM SWAN PM10 24 Good 25 27 µg/m3
4:00 AM GREH PM2.5 24 Good 25 6 µg/m3
5:00 AM FTCF PM2.5 24 Good 26 6 µg/m3
4:00 AM SWAN PM10 24 Good 26 28 µg/m3
3:00 AM SWAN PM10 24 Good 26 28 µg/m3
2:00 AM SWAN PM10 24 Good 26 28 µg/m3
5:00 AM CASA O3 8 Good 27 29 PPB
5:00 AM RIFLO3 O3 8 Good 27 29 PPB
4:00 AM I25GLO NO2 1 Good 27 29 PPB
1:00 AM SWAN PM10 24 Good 27 29 µg/m3
5:00 AM CCOL PM2.5 24 Good 28 7 µg/m3
4:00 AM CCOL PM2.5 24 Good 28 7 µg/m3
4:00 AM RIFLO3 O3 8 Good 28 30 PPB
3:00 AM GREH PM2.5 24 Good 28 7 µg/m3
5:00 AM BOU PM2.5 24 Good 29 7 µg/m3
4:00 AM BOU PM2.5 24 Good 29 7 µg/m3
4:00 AM FTCF PM2.5 24 Good 29 7 µg/m3
3:00 AM BOU PM2.5 24 Good 29 7 µg/m3
3:00 AM CCOL PM2.5 24 Good 29 7 µg/m3
2:00 AM BOU PM2.5 24 Good 29 7 µg/m3
2:00 AM CCOL PM2.5 24 Good 29 7 µg/m3
1:00 AM BOU PM2.5 24 Good 29 7 µg/m3
1:00 AM CCOL PM2.5 24 Good 29 7 µg/m3
5:00 AM CHAT O3 8 Good 30 32 PPB
4:00 AM CASA O3 8 Good 30 32 PPB
5:00 AM CAMP O3 8 Good 31 34 PPB
5:00 AM MAN O3 8 Good 31 34 PPB
5:00 AM WBY O3 8 Good 31 33 PPB
5:00 AM WCH O3 8 Good 31 34 PPB
3:00 AM RIFLO3 O3 8 Good 31 34 PPB
2:00 AM GREH PM2.5 24 Good 31 8 µg/m3
5:00 AM ASP O3 8 Good 32 35 PPB
5:00 AM FTC O3 8 Good 32 35 PPB
3:00 AM CASA O3 8 Good 32 35 PPB
3:00 AM FTCF PM2.5 24 Good 32 8 µg/m3
5:00 AM ACAD O3 8 Good 33 36 PPB
5:00 AM AURE O3 8 Good 33 36 PPB
5:00 AM LNGM PM2.5 24 Good 33 8 µg/m3
5:00 AM NJH PM2.5 24 Good 33 8 µg/m3
4:00 AM CAMP O3 8 Good 33 36 PPB
4:00 AM CHAT O3 8 Good 33 36 PPB
4:00 AM FTC O3 8 Good 33 36 PPB
4:00 AM MAN O3 8 Good 33 36 PPB
4:00 AM WCH O3 8 Good 33 36 PPB
5:00 AM NREL O3 8 Good 34 37 PPB
4:00 AM AURE O3 8 Good 34 37 PPB
4:00 AM NJH PM2.5 24 Good 34 8 µg/m3
4:00 AM WBY O3 8 Good 34 37 PPB
3:00 AM NJH PM2.5 24 Good 34 8 µg/m3
2:00 AM RIFLO3 O3 8 Good 34 37 PPB
1:00 AM GREH PM2.5 24 Good 34 8 µg/m3
5:00 AM BOUR O3 8 Good 35 38 PPB
5:00 AM FTCW O3 8 Good 35 38 PPB
5:00 AM GRET O3 8 Good 35 38 PPB
5:00 AM HLD O3 8 Good 35 38 PPB
4:00 AM ASP O3 8 Good 35 38 PPB
4:00 AM LNGM PM2.5 24 Good 35 8 µg/m3
3:00 AM FTC O3 8 Good 35 38 PPB
3:00 AM LNGM PM2.5 24 Good 35 9 µg/m3
3:00 AM MAN O3 8 Good 35 38 PPB
2:00 AM FTCF PM2.5 24 Good 35 8 µg/m3
2:00 AM NJH PM2.5 24 Good 35 8 µg/m3
1:00 AM NJH PM2.5 24 Good 35 8 µg/m3
4:00 AM GRET O3 8 Good 36 39 PPB
4:00 AM NREL O3 8 Good 36 39 PPB
3:00 AM AURE O3 8 Good 36 39 PPB
2:00 AM CASA O3 8 Good 36 39 PPB
2:00 AM LNGM PM2.5 24 Good 36 9 µg/m3
4:00 AM ACAD O3 8 Good 37 40 PPB
4:00 AM BOUR O3 8 Good 37 40 PPB
4:00 AM HLD O3 8 Good 37 40 PPB
3:00 AM CAMP O3 8 Good 37 40 PPB
3:00 AM CHAT O3 8 Good 37 40 PPB
3:00 AM WCH O3 8 Good 37 40 PPB
2:00 AM FTC O3 8 Good 37 40 PPB
2:00 AM MAN O3 8 Good 37 40 PPB
1:00 AM LNGM PM2.5 24 Good 37 9 µg/m3
1:00 AM RIFLO3 O3 8 Good 37 40 PPB
5:00 AM ELK O3 8 Good 38 41 PPB
5:00 AM PDX O3 8 Good 38 41 PPB
4:00 AM FTCW O3 8 Good 38 41 PPB
3:00 AM ASP O3 8 Good 38 41 PPB
3:00 AM GRET O3 8 Good 38 41 PPB
3:00 AM WBY O3 8 Good 38 41 PPB
2:00 AM AURE O3 8 Good 38 41 PPB
1:00 AM FTCF PM2.5 24 Good 38 9 µg/m3
5:00 AM CTZ O3 8 Good 39 42 PPB
5:00 AM PAL O3 8 Good 39 42 PPB
5:00 AM RFN O3 8 Good 39 42 PPB
4:00 AM ELK O3 8 Good 39 42 PPB
3:00 AM BOUR O3 8 Good 39 42 PPB
3:00 AM HLD O3 8 Good 39 42 PPB
3:00 AM NREL O3 8 Good 39 42 PPB
2:00 AM CAMP O3 8 Good 39 42 PPB
1:00 AM CASA O3 8 Good 39 42 PPB
1:00 AM MAN O3 8 Good 39 42 PPB
3:00 AM ACAD O3 8 Good 40 43 PPB
3:00 AM FTCW O3 8 Good 40 43 PPB
2:00 AM GRET O3 8 Good 40 43 PPB
1:00 AM AURE O3 8 Good 40 43 PPB
1:00 AM FTC O3 8 Good 40 43 PPB
5:00 AM ADM PM2.5 24 Good 41 10 µg/m3
4:00 AM CTZ O3 8 Good 41 44 PPB
4:00 AM PAL O3 8 Good 41 44 PPB
4:00 AM PDX O3 8 Good 41 44 PPB
3:00 AM ELK O3 8 Good 41 44 PPB
2:00 AM WBY O3 8 Good 41 44 PPB
2:00 AM WCH O3 8 Good 41 44 PPB
5:00 AM CAMP PM2.5 24 Good 42 10 µg/m3
5:00 AM I25DEN PM2.5 24 Good 42 10 µg/m3
4:00 AM ADM PM2.5 24 Good 42 10 µg/m3
4:00 AM RFN O3 8 Good 42 45 PPB
2:00 AM ASP O3 8 Good 42 45 PPB
1:00 AM CAMP O3 8 Good 42 45 PPB
5:00 AM ASPN O3 8 Good 43 46 PPB
4:00 AM CAMP PM2.5 24 Good 43 10 µg/m3
4:00 AM I25DEN PM2.5 24 Good 43 10 µg/m3
3:00 AM CAMP PM2.5 24 Good 43 10 µg/m3
3:00 AM PDX O3 8 Good 43 46 PPB
2:00 AM ACAD O3 8 Good 43 46 PPB
2:00 AM BOUR O3 8 Good 43 46 PPB
2:00 AM CHAT O3 8 Good 43 46 PPB
2:00 AM ELK O3 8 Good 43 46 PPB
2:00 AM HLD O3 8 Good 43 46 PPB
2:00 AM NREL O3 8 Good 43 46 PPB
1:00 AM GRET O3 8 Good 43 46 PPB
1:00 AM WBY O3 8 Good 43 46 PPB
4:00 AM ASPN O3 8 Good 44 47 PPB
3:00 AM ADM PM2.5 24 Good 44 11 µg/m3
3:00 AM ASPN O3 8 Good 44 48 PPB
3:00 AM CTZ O3 8 Good 44 47 PPB
3:00 AM I25DEN PM2.5 24 Good 44 11 µg/m3
3:00 AM PAL O3 8 Good 44 47 PPB
3:00 AM RFN O3 8 Good 44 47 PPB
2:00 AM CAMP PM2.5 24 Good 44 11 µg/m3
2:00 AM FTCW O3 8 Good 44 47 PPB
2:00 AM I25DEN PM2.5 24 Good 44 11 µg/m3
1:00 AM ELK O3 8 Good 44 47 PPB
5:00 AM I25GLO PM2.5 24 Good 45 11 µg/m3
2:00 AM ADM PM2.5 24 Good 45 11 µg/m3
2:00 AM CTZ O3 8 Good 45 49 PPB
2:00 AM PDX O3 8 Good 45 49 PPB
2:00 AM RFN O3 8 Good 45 49 PPB
1:00 AM ACAD O3 8 Good 45 49 PPB
1:00 AM CAMP PM2.5 24 Good 45 11 µg/m3
1:00 AM HLD O3 8 Good 45 49 PPB
1:00 AM I25DEN PM2.5 24 Good 45 11 µg/m3
1:00 AM WCH O3 8 Good 45 49 PPB
4:00 AM I25GLO PM2.5 24 Good 46 11 µg/m3
3:00 AM I25GLO PM2.5 24 Good 46 11 µg/m3
2:00 AM PAL O3 8 Good 46 50 PPB
1:00 AM BOUR O3 8 Good 46 50 PPB
2:00 AM ASPN O3 8 Good 47 51 PPB
2:00 AM I25GLO PM2.5 24 Good 47 11 µg/m3
1:00 AM ADM PM2.5 24 Good 47 11 µg/m3
1:00 AM ASP O3 8 Good 47 51 PPB
1:00 AM CHAT O3 8 Good 47 51 PPB
1:00 AM FTCW O3 8 Good 47 51 PPB
1:00 AM NREL O3 8 Good 47 51 PPB
1:00 AM CTZ O3 8 Good 48 52 PPB
1:00 AM I25GLO PM2.5 24 Good 48 12 µg/m3
1:00 AM PAL O3 8 Good 48 52 PPB
1:00 AM PDX O3 8 Good 48 52 PPB
1:00 AM RFN O3 8 Good 48 52 PPB
1:00 AM ASPN O3 8 Good 49 53 PPB
5:00 AM CHAT PM2.5 24 Moderate 51 12 µg/m3
5:00 AM SWAN PM2.5 24 Moderate 51 12 µg/m3
4:00 AM CHAT PM2.5 24 Moderate 52 12 µg/m3
4:00 AM SWAN PM2.5 24 Moderate 52 12 µg/m3
3:00 AM CHAT PM2.5 24 Moderate 52 12 µg/m3
3:00 AM SWAN PM2.5 24 Moderate 52 13 µg/m3
2:00 AM CHAT PM2.5 24 Moderate 52 12 µg/m3
1:00 AM CHAT PM2.5 24 Moderate 52 13 µg/m3
2:00 AM SWAN PM2.5 24 Moderate 53 13 µg/m3
1:00 AM SWAN PM2.5 24 Moderate 54 13 µg/m3

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