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AQI Calculations on 09/19/2024 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 CAMP SO2 1 Good 1 1 PPB
5:00 AM CAMP SO2 1 Good 1 1 PPB
5:00 AM CCOL CO 8 Good 1 0.1 PPM
5:00 AM FTC CO 8 Good 1 0.1 PPM
5:00 AM GRET CO 8 Good 1 0.1 PPM
4:00 AM CAMP SO2 1 Good 1 1 PPB
4:00 AM CAMP SO2 1 Good 1 1 PPB
4:00 AM CCOL CO 8 Good 1 0.1 PPM
4:00 AM FTC CO 8 Good 1 0.1 PPM
4:00 AM GRET CO 8 Good 1 0.1 PPM
3:00 AM CCOL CO 8 Good 1 0.1 PPM
3:00 AM FTC CO 8 Good 1 0.1 PPM
3:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM CCOL CO 8 Good 1 0.1 PPM
2:00 AM FTC CO 8 Good 1 0.1 PPM
2:00 AM GRET CO 8 Good 1 0.1 PPM
2:00 AM TIM NO2 1 Good 1 1 PPB
1:00 AM CAMP SO2 1 Good 1 1 PPB
1:00 AM CAMP SO2 1 Good 1 1 PPB
1:00 AM CCOL CO 8 Good 1 0.1 PPM
1:00 AM FTC CO 8 Good 1 0.1 PPM
1:00 AM GRET CO 8 Good 1 0.1 PPM
1:00 AM RFN NO2 1 Good 1 1 PPB
1:00 AM TIM NO2 1 Good 1 1 PPB
5:00 AM CASA CO 8 Good 2 0.2 PPM
4:00 AM CASA CO 8 Good 2 0.2 PPM
3:00 AM CASA CO 8 Good 2 0.2 PPM
1:00 AM CASA CO 8 Good 2 0.2 PPM
5:00 AM FOS NO2 1 Good 3 3 PPB
5:00 AM I25DEN CO 8 Good 3 0.3 PPM
5:00 AM RFN NO2 1 Good 3 3 PPB
4:00 AM FOS NO2 1 Good 3 3 PPB
4:00 AM I25DEN CO 8 Good 3 0.3 PPM
3:00 AM I25DEN CO 8 Good 3 0.3 PPM
3:00 AM RFN NO2 1 Good 3 3 PPB
3:00 AM TIM NO2 1 Good 3 3 PPB
2:00 AM CASA CO 8 Good 3 0.3 PPM
1:00 AM FOS NO2 1 Good 3 3 PPB
4:00 AM RFN NO2 1 Good 4 4 PPB
3:00 AM LAST NO2 1 Good 4 4 PPB
2:00 AM FOS NO2 1 Good 4 4 PPB
4:00 AM LAST NO2 1 Good 5 5 PPB
3:00 AM CAMP NO2 1 Good 5 5 PPB
3:00 AM CAMP NO2 1 Good 5 5 PPB
3:00 AM FOS NO2 1 Good 5 5 PPB
2:00 AM I25DEN CO 8 Good 5 0.4 PPM
2:00 AM LAST NO2 1 Good 5 5 PPB
1:00 AM I25DEN CO 8 Good 5 0.4 PPM
1:00 AM LAST NO2 1 Good 5 5 PPB
4:00 AM CAMP NO2 1 Good 6 6 PPB
4:00 AM CAMP NO2 1 Good 6 6 PPB
4:00 AM TIM NO2 1 Good 6 6 PPB
2:00 AM CAMP NO2 1 Good 6 6 PPB
2:00 AM CAMP NO2 1 Good 6 6 PPB
5:00 AM TIM NO2 1 Good 7 7 PPB
5:00 AM CAMP NO2 1 Good 8 9 PPB
5:00 AM CAMP NO2 1 Good 8 9 PPB
5:00 AM LAST NO2 1 Good 8 9 PPB
5:00 AM SSMB PM10 24 Good 9 10 µg/m3
4:00 AM SSMB PM10 24 Good 9 10 µg/m3
3:00 AM SSMB PM10 24 Good 9 10 µg/m3
2:00 AM SSMB PM10 24 Good 9 10 µg/m3
1:00 AM SSMB PM10 24 Good 9 10 µg/m3
5:00 AM CAMP PM10 24 Good 10 11 µg/m3
4:00 AM CAMP PM10 24 Good 10 11 µg/m3
4:00 AM CASA NO2 1 Good 10 11 PPB
3:00 AM CAMP PM10 24 Good 10 11 µg/m3
2:00 AM CAMP PM10 24 Good 10 11 µg/m3
1:00 AM CAMP NO2 1 Good 10 11 PPB
1:00 AM CAMP NO2 1 Good 10 11 PPB
1:00 AM CAMP PM10 24 Good 10 11 µg/m3
5:00 AM ALA PM10 24 Good 11 12 µg/m3
5:00 AM CCOL PM10 24 Good 11 12 µg/m3
4:00 AM ALA PM10 24 Good 11 12 µg/m3
4:00 AM CCOL PM10 24 Good 11 12 µg/m3
4:00 AM I25DEN PM10 24 Good 11 12 µg/m3
3:00 AM ALA PM10 24 Good 11 12 µg/m3
3:00 AM CASA NO2 1 Good 11 12 PPB
3:00 AM CCOL PM10 24 Good 11 12 µg/m3
3:00 AM I25DEN PM10 24 Good 11 12 µg/m3
2:00 AM ALA PM10 24 Good 11 12 µg/m3
2:00 AM CCOL PM10 24 Good 11 12 µg/m3
2:00 AM I25DEN PM10 24 Good 11 12 µg/m3
1:00 AM ALA PM10 24 Good 11 12 µg/m3
1:00 AM CCOL PM10 24 Good 11 12 µg/m3
1:00 AM I25DEN PM10 24 Good 11 12 µg/m3
5:00 AM CASA NO2 1 Good 12 13 PPB
5:00 AM I25DEN PM10 24 Good 12 13 µg/m3
5:00 AM LMB PM10 24 Good 12 13 µg/m3
5:00 AM TEL PM10 24 Good 12 13 µg/m3
4:00 AM LMB PM10 24 Good 12 13 µg/m3
4:00 AM TEL PM10 24 Good 12 13 µg/m3
3:00 AM TEL PM10 24 Good 12 13 µg/m3
2:00 AM TEL PM10 24 Good 12 13 µg/m3
1:00 AM ACC PM10 24 Good 12 13 µg/m3
1:00 AM TEL PM10 24 Good 12 13 µg/m3
5:00 AM ACC PM10 24 Good 13 14 µg/m3
4:00 AM ACC PM10 24 Good 13 14 µg/m3
3:00 AM ACC PM10 24 Good 13 14 µg/m3
3:00 AM LMB PM10 24 Good 13 14 µg/m3
3:00 AM PFS PM10 24 Good 13 14 µg/m3
2:00 AM ACC PM10 24 Good 13 14 µg/m3
2:00 AM CASA NO2 1 Good 13 14 PPB
2:00 AM LMB PM10 24 Good 13 14 µg/m3
2:00 AM PFS PM10 24 Good 13 14 µg/m3
1:00 AM LMB PM10 24 Good 13 14 µg/m3
1:00 AM PFS PM10 24 Good 13 14 µg/m3
5:00 AM GJPB PM10 24 Good 14 15 µg/m3
5:00 AM I25GLO PM10 24 Good 14 15 µg/m3
5:00 AM PAG PM10 24 Good 14 15 µg/m3
5:00 AM PFS PM10 24 Good 14 15 µg/m3
4:00 AM FTCF PM10 24 Good 14 15 µg/m3
4:00 AM GJPB PM10 24 Good 14 15 µg/m3
4:00 AM I25GLO PM10 24 Good 14 15 µg/m3
4:00 AM PAG PM10 24 Good 14 15 µg/m3
4:00 AM PFS PM10 24 Good 14 15 µg/m3
3:00 AM FTCF PM10 24 Good 14 15 µg/m3
3:00 AM GJPB PM10 24 Good 14 15 µg/m3
3:00 AM GREH PM10 24 Good 14 15 µg/m3
3:00 AM I25GLO PM10 24 Good 14 15 µg/m3
3:00 AM PAG PM10 24 Good 14 15 µg/m3
2:00 AM FTCF PM10 24 Good 14 15 µg/m3
2:00 AM GJPB PM10 24 Good 14 15 µg/m3
2:00 AM GREH PM10 24 Good 14 15 µg/m3
2:00 AM I25GLO PM10 24 Good 14 15 µg/m3
2:00 AM PAG PM10 24 Good 14 15 µg/m3
1:00 AM CHAT PM10 24 Good 14 15 µg/m3
1:00 AM FTCF PM10 24 Good 14 15 µg/m3
1:00 AM GJPB PM10 24 Good 14 15 µg/m3
1:00 AM GREH PM10 24 Good 14 15 µg/m3
1:00 AM I25GLO PM10 24 Good 14 15 µg/m3
1:00 AM PAG PM10 24 Good 14 15 µg/m3
5:00 AM ASPN2 PM10 24 Good 15 16 µg/m3
5:00 AM CHAT PM10 24 Good 15 16 µg/m3
5:00 AM FTCF PM10 24 Good 15 16 µg/m3
5:00 AM GREH PM10 24 Good 15 16 µg/m3
5:00 AM WBY O3 8 Good 15 16 PPB
4:00 AM ASPN2 PM10 24 Good 15 16 µg/m3
4:00 AM CHAT PM10 24 Good 15 16 µg/m3
4:00 AM GREH PM10 24 Good 15 16 µg/m3
3:00 AM ASPN2 PM10 24 Good 15 16 µg/m3
3:00 AM CHAT PM10 24 Good 15 16 µg/m3
2:00 AM ASPN2 PM10 24 Good 15 16 µg/m3
2:00 AM CAN PM10 24 Good 15 16 µg/m3
2:00 AM CHAT PM10 24 Good 15 16 µg/m3
1:00 AM ASPN2 PM10 24 Good 15 16 µg/m3
1:00 AM CAN PM10 24 Good 15 16 µg/m3
1:00 AM CHAT PM2.5 24 Good 15 2 µg/m3
5:00 AM BOU PM2.5 24 Good 16 2 µg/m3
5:00 AM CHAT PM2.5 24 Good 16 2 µg/m3
4:00 AM BOU PM2.5 24 Good 16 2 µg/m3
4:00 AM CHAT PM2.5 24 Good 16 2 µg/m3
4:00 AM LNGM PM10 24 Good 16 17 µg/m3
3:00 AM BOU PM2.5 24 Good 16 2 µg/m3
3:00 AM CHAT PM2.5 24 Good 16 2 µg/m3
3:00 AM LNGM PM10 24 Good 16 17 µg/m3
2:00 AM BOU PM2.5 24 Good 16 2 µg/m3
2:00 AM CHAT PM2.5 24 Good 16 2 µg/m3
2:00 AM LNGM PM10 24 Good 16 17 µg/m3
1:00 AM BOU PM2.5 24 Good 16 2 µg/m3
1:00 AM LNGM PM10 24 Good 16 17 µg/m3
5:00 AM ASPN2 PM2.5 24 Good 17 3 µg/m3
5:00 AM CASA PM10 24 Good 17 18 µg/m3
5:00 AM CCOL PM2.5 24 Good 17 3 µg/m3
5:00 AM LNGM PM10 24 Good 17 18 µg/m3
4:00 AM ASPN2 PM2.5 24 Good 17 3 µg/m3
4:00 AM CASA PM10 24 Good 17 18 µg/m3
4:00 AM CCOL PM2.5 24 Good 17 3 µg/m3
4:00 AM LNGM PM2.5 24 Good 17 3 µg/m3
4:00 AM RIFL PM2.5 24 Good 17 3 µg/m3
3:00 AM ASPN2 PM2.5 24 Good 17 3 µg/m3
3:00 AM CASA PM10 24 Good 17 18 µg/m3
3:00 AM I25DEN NO2 1 Good 17 18 PPB
3:00 AM LNGM PM2.5 24 Good 17 3 µg/m3
3:00 AM RIFL PM2.5 24 Good 17 3 µg/m3
2:00 AM ASPN2 PM2.5 24 Good 17 3 µg/m3
2:00 AM CASA PM10 24 Good 17 18 µg/m3
2:00 AM LNGM PM2.5 24 Good 17 3 µg/m3
2:00 AM RIFL PM2.5 24 Good 17 3 µg/m3
1:00 AM ASPN2 PM2.5 24 Good 17 3 µg/m3
1:00 AM CASA PM10 24 Good 17 18 µg/m3
1:00 AM LNGM PM2.5 24 Good 17 3 µg/m3
5:00 AM ALA PM2.5 24 Good 18 3 µg/m3
5:00 AM LNGM PM2.5 24 Good 18 3 µg/m3
5:00 AM PFS PM2.5 24 Good 18 3 µg/m3
5:00 AM RIFL PM2.5 24 Good 18 3 µg/m3
5:00 AM RIFLO3 O3 8 Good 18 19 PPB
4:00 AM ALA PM2.5 24 Good 18 3 µg/m3
4:00 AM CAN PM10 24 Good 18 19 µg/m3
4:00 AM I25DEN NO2 1 Good 18 19 PPB
4:00 AM PFS PM2.5 24 Good 18 3 µg/m3
4:00 AM RIFLO3 O3 8 Good 18 19 PPB
3:00 AM ALA PM2.5 24 Good 18 3 µg/m3
3:00 AM CAN PM10 24 Good 18 19 µg/m3
3:00 AM CCOL PM2.5 24 Good 18 3 µg/m3
3:00 AM PFS PM2.5 24 Good 18 3 µg/m3
3:00 AM RIFLO3 O3 8 Good 18 19 PPB
2:00 AM ALA PM2.5 24 Good 18 3 µg/m3
2:00 AM CCOL PM2.5 24 Good 18 3 µg/m3
2:00 AM PFS PM2.5 24 Good 18 3 µg/m3
1:00 AM ALA PM2.5 24 Good 18 3 µg/m3
1:00 AM PFS PM2.5 24 Good 18 3 µg/m3
1:00 AM RIFL PM2.5 24 Good 18 3 µg/m3
5:00 AM CAN PM10 24 Good 19 20 µg/m3
5:00 AM FTCF PM2.5 24 Good 19 3 µg/m3
4:00 AM FTCF PM2.5 24 Good 19 3 µg/m3
4:00 AM WBY O3 8 Good 19 21 PPB
3:00 AM ACC PM2.5 24 Good 19 3 µg/m3
3:00 AM FTCF PM2.5 24 Good 19 3 µg/m3
2:00 AM ACC PM2.5 24 Good 19 3 µg/m3
1:00 AM ACC PM2.5 24 Good 19 3 µg/m3
1:00 AM CCOL PM2.5 24 Good 19 3 µg/m3
5:00 AM ACC PM2.5 24 Good 20 3 µg/m3
5:00 AM CAMP PM2.5 24 Good 20 3 µg/m3
5:00 AM LMB PM2.5 24 Good 20 3 µg/m3
5:00 AM NJH PM10 24 Good 20 22 µg/m3
4:00 AM ACC PM2.5 24 Good 20 3 µg/m3
4:00 AM LMB PM2.5 24 Good 20 3 µg/m3
4:00 AM NJH PM10 24 Good 20 22 µg/m3
3:00 AM NJH PM10 24 Good 20 22 µg/m3
2:00 AM FTCF PM2.5 24 Good 20 3 µg/m3
2:00 AM NJH PM10 24 Good 20 22 µg/m3
2:00 AM RIFLO3 O3 8 Good 20 22 PPB
1:00 AM CASA PM2.5 24 Good 20 3 µg/m3
1:00 AM FTCF PM2.5 24 Good 20 3 µg/m3
1:00 AM NJH PM10 24 Good 20 22 µg/m3
5:00 AM BOU PM10 24 Good 21 23 µg/m3
5:00 AM CASA O3 8 Good 21 23 PPB
5:00 AM CASA PM2.5 24 Good 21 3 µg/m3
5:00 AM GJPB PM2.5 24 Good 21 3 µg/m3
4:00 AM BOU PM10 24 Good 21 23 µg/m3
4:00 AM CAMP PM2.5 24 Good 21 3 µg/m3
4:00 AM CASA PM2.5 24 Good 21 3 µg/m3
4:00 AM GJPB PM2.5 24 Good 21 3 µg/m3
3:00 AM BOU PM10 24 Good 21 23 µg/m3
3:00 AM CAMP PM2.5 24 Good 21 3 µg/m3
3:00 AM CASA PM2.5 24 Good 21 3 µg/m3
3:00 AM GJPB PM2.5 24 Good 21 3 µg/m3
3:00 AM GREH PM2.5 24 Good 21 3 µg/m3
3:00 AM LMB PM2.5 24 Good 21 3 µg/m3
2:00 AM BOU PM10 24 Good 21 23 µg/m3
2:00 AM CAMP PM2.5 24 Good 21 3 µg/m3
2:00 AM CASA PM2.5 24 Good 21 3 µg/m3
2:00 AM GJPB PM2.5 24 Good 21 3 µg/m3
2:00 AM GREH PM2.5 24 Good 21 3 µg/m3
2:00 AM I25DEN NO2 1 Good 21 22 PPB
2:00 AM LMB PM2.5 24 Good 21 3 µg/m3
1:00 AM BOU PM10 24 Good 21 23 µg/m3
1:00 AM CAMP PM2.5 24 Good 21 3 µg/m3
1:00 AM GJPB PM2.5 24 Good 21 3 µg/m3
1:00 AM GREH PM2.5 24 Good 21 3 µg/m3
1:00 AM LMB PM2.5 24 Good 21 3 µg/m3
5:00 AM NJH PM2.5 24 Good 22 4 µg/m3
4:00 AM GREH PM2.5 24 Good 22 3 µg/m3
4:00 AM NJH PM2.5 24 Good 22 4 µg/m3
3:00 AM NJH PM2.5 24 Good 22 4 µg/m3
2:00 AM NJH PM2.5 24 Good 22 4 µg/m3
2:00 AM PMS PM2.5 24 Good 22 4 µg/m3
1:00 AM I25DEN NO2 1 Good 22 23 PPB
1:00 AM NJH PM2.5 24 Good 22 3 µg/m3
1:00 AM PMS PM2.5 24 Good 22 3 µg/m3
5:00 AM CTZ O3 8 Good 23 25 PPB
5:00 AM GREH PM2.5 24 Good 23 4 µg/m3
5:00 AM PMS PM2.5 24 Good 23 4 µg/m3
4:00 AM CASA O3 8 Good 23 25 PPB
4:00 AM PMS PM2.5 24 Good 23 4 µg/m3
3:00 AM PMS PM2.5 24 Good 23 4 µg/m3
3:00 AM WBY O3 8 Good 23 25 PPB
1:00 AM CASA NO2 1 Good 23 24 PPB
5:00 AM GRET O3 8 Good 24 26 PPB
5:00 AM I25GLO PM2.5 24 Good 24 4 µg/m3
4:00 AM I25GLO PM2.5 24 Good 24 4 µg/m3
2:00 AM I25GLO PM2.5 24 Good 24 4 µg/m3
1:00 AM I25DEN PM2.5 24 Good 24 4 µg/m3
1:00 AM I25GLO PM2.5 24 Good 24 4 µg/m3
1:00 AM RIFLO3 O3 8 Good 24 26 PPB
5:00 AM I25DEN PM2.5 24 Good 25 4 µg/m3
4:00 AM CTZ O3 8 Good 25 27 PPB
4:00 AM I25DEN PM2.5 24 Good 25 4 µg/m3
4:00 AM I25GLO NO2 1 Good 25 26 PPB
3:00 AM I25DEN PM2.5 24 Good 25 4 µg/m3
3:00 AM I25GLO PM2.5 24 Good 25 4 µg/m3
2:00 AM I25DEN PM2.5 24 Good 25 4 µg/m3
3:00 AM CASA O3 8 Good 26 28 PPB
3:00 AM CTZ O3 8 Good 26 28 PPB
4:00 AM GRET O3 8 Good 27 29 PPB
4:00 AM WBY PM10 24 Good 27 29 µg/m3
3:00 AM I25GLO NO2 1 Good 27 29 PPB
3:00 AM WBY PM10 24 Good 27 29 µg/m3
2:00 AM CAMP O3 8 Good 27 29 PPB
2:00 AM CASA O3 8 Good 27 29 PPB
2:00 AM WBY O3 8 Good 27 29 PPB
2:00 AM WBY PM10 24 Good 27 29 µg/m3
1:00 AM WBY PM10 24 Good 27 29 µg/m3
5:00 AM ADB PM2.5 24 Good 28 5 µg/m3
5:00 AM TIM O3 8 Good 28 30 PPB
5:00 AM WBY PM10 24 Good 28 30 µg/m3
4:00 AM ADB PM2.5 24 Good 28 5 µg/m3
4:00 AM WBY NO2 1 Good 28 30 PPB
4:00 AM WBY NO2 1 Good 28 30 PPB
3:00 AM ADB PM2.5 24 Good 28 5 µg/m3
3:00 AM WBY NO2 1 Good 28 30 PPB
3:00 AM WBY NO2 1 Good 28 30 PPB
2:00 AM ADB PM2.5 24 Good 28 5 µg/m3
2:00 AM CTZ O3 8 Good 28 30 PPB
1:00 AM ADB PM2.5 24 Good 28 5 µg/m3
1:00 AM CAMP O3 8 Good 28 30 PPB
3:00 AM CAMP O3 8 Good 29 31 PPB
3:00 AM GRET O3 8 Good 29 31 PPB
2:00 AM I25GLO NO2 1 Good 29 31 PPB
3:00 AM ADB PM10 24 Good 30 32 µg/m3
2:00 AM ADB PM10 24 Good 30 32 µg/m3
1:00 AM ADB PM10 24 Good 30 32 µg/m3
1:00 AM CASA O3 8 Good 30 32 PPB
5:00 AM ADB PM10 24 Good 31 33 µg/m3
5:00 AM CAMP O3 8 Good 31 34 PPB
5:00 AM I25DEN NO2 1 Good 31 33 PPB
5:00 AM LAST O3 8 Good 31 33 PPB
4:00 AM ADB PM10 24 Good 31 33 µg/m3
4:00 AM CAMP O3 8 Good 31 33 PPB
4:00 AM TIM O3 8 Good 31 33 PPB
2:00 AM GRET O3 8 Good 31 34 PPB
1:00 AM CTZ O3 8 Good 31 33 PPB
1:00 AM WBY NO2 1 Good 31 33 PPB
1:00 AM WBY NO2 1 Good 31 33 PPB
5:00 AM FOS O3 8 Good 32 35 PPB
5:00 AM FTC O3 8 Good 32 35 PPB
5:00 AM WBY NO2 1 Good 32 34 PPB
5:00 AM WBY NO2 1 Good 32 34 PPB
1:00 AM I25GLO NO2 1 Good 32 34 PPB
1:00 AM WBY O3 8 Good 32 35 PPB
5:00 AM I25GLO NO2 1 Good 33 35 PPB
5:00 AM PAL O3 8 Good 33 36 PPB
4:00 AM FOS O3 8 Good 33 36 PPB
4:00 AM LAST O3 8 Good 33 36 PPB
3:00 AM TIM O3 8 Good 33 36 PPB
2:00 AM WBY NO2 1 Good 33 35 PPB
2:00 AM WBY NO2 1 Good 33 35 PPB
4:00 AM FTC O3 8 Good 34 37 PPB
4:00 AM PAL O3 8 Good 34 37 PPB
5:00 AM CHAT O3 8 Good 35 38 PPB
3:00 AM LAST O3 8 Good 35 38 PPB
1:00 AM GRET O3 8 Good 35 38 PPB
4:00 AM CHAT O3 8 Good 36 39 PPB
4:00 AM HLD O3 8 Good 36 39 PPB
3:00 AM FOS O3 8 Good 36 39 PPB
3:00 AM FTC O3 8 Good 36 39 PPB
3:00 AM HLD O3 8 Good 36 39 PPB
3:00 AM PAL O3 8 Good 36 39 PPB
2:00 AM TIM O3 8 Good 36 39 PPB
5:00 AM HLD O3 8 Good 37 40 PPB
2:00 AM FTC O3 8 Good 37 40 PPB
2:00 AM HLD O3 8 Good 37 40 PPB
2:00 AM LAST O3 8 Good 37 40 PPB
5:00 AM ASPN O3 8 Good 38 41 PPB
4:00 AM ASPN O3 8 Good 38 41 PPB
3:00 AM ASPN O3 8 Good 38 41 PPB
2:00 AM ASPN O3 8 Good 38 41 PPB
2:00 AM PAL O3 8 Good 38 41 PPB
1:00 AM ASPN O3 8 Good 38 41 PPB
1:00 AM HLD O3 8 Good 38 41 PPB
5:00 AM PWES O3 8 Good 39 42 PPB
3:00 AM CHAT O3 8 Good 39 42 PPB
1:00 AM FTC O3 8 Good 39 42 PPB
5:00 AM EVG O3 8 Good 40 43 PPB
4:00 AM PWES O3 8 Good 40 43 PPB
3:00 AM PWES O3 8 Good 40 43 PPB
1:00 AM LAST O3 8 Good 40 43 PPB
1:00 AM PAL O3 8 Good 40 43 PPB
1:00 AM TIM O3 8 Good 40 43 PPB
4:00 AM EVG O3 8 Good 41 44 PPB
2:00 AM CHAT O3 8 Good 41 44 PPB
2:00 AM FOS O3 8 Good 41 44 PPB
2:00 AM PWES O3 8 Good 41 44 PPB
5:00 AM AURE O3 8 Good 42 45 PPB
3:00 AM EVG O3 8 Good 42 45 PPB
1:00 AM PWES O3 8 Good 42 45 PPB
2:00 AM EVG O3 8 Good 43 46 PPB
5:00 AM ACAD O3 8 Good 44 48 PPB
5:00 AM FTCW O3 8 Good 44 47 PPB
4:00 AM ACAD O3 8 Good 44 48 PPB
4:00 AM AURE O3 8 Good 44 47 PPB
3:00 AM ACAD O3 8 Good 44 48 PPB
2:00 AM ACAD O3 8 Good 44 47 PPB
1:00 AM ACAD O3 8 Good 44 48 PPB
1:00 AM CHAT O3 8 Good 44 47 PPB
1:00 AM FOS O3 8 Good 44 48 PPB
5:00 AM BOUR O3 8 Good 45 49 PPB
4:00 AM FTCW O3 8 Good 45 49 PPB
3:00 AM AURE O3 8 Good 45 49 PPB
1:00 AM EVG O3 8 Good 45 49 PPB
4:00 AM BOUR O3 8 Good 46 50 PPB
3:00 AM FTCW O3 8 Good 46 50 PPB
2:00 AM AURE O3 8 Good 46 50 PPB
5:00 AM RFN O3 8 Good 47 51 PPB
3:00 AM BOUR O3 8 Good 47 51 PPB
2:00 AM BOUR O3 8 Good 47 51 PPB
1:00 AM AURE O3 8 Good 47 51 PPB
4:00 AM RFN O3 8 Good 48 52 PPB
2:00 AM FTCW O3 8 Good 48 52 PPB
1:00 AM BOUR O3 8 Good 48 52 PPB
5:00 AM MAN O3 8 Good 49 53 PPB
3:00 AM RFN O3 8 Good 49 53 PPB
5:00 AM NREL O3 8 Good 50 54 PPB
4:00 AM MAN O3 8 Good 50 54 PPB
4:00 AM NREL O3 8 Good 50 54 PPB
3:00 AM MAN O3 8 Good 50 54 PPB
2:00 AM MAN O3 8 Good 50 54 PPB
2:00 AM RFN O3 8 Good 50 54 PPB
1:00 AM FTCW O3 8 Good 50 54 PPB
1:00 AM MAN O3 8 Good 50 54 PPB
3:00 AM NREL O3 8 Moderate 51 55 PPB
1:00 AM RFN O3 8 Moderate 51 55 PPB
2:00 AM NREL O3 8 Moderate 54 56 PPB
1:00 AM NREL O3 8 Moderate 58 57 PPB

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