Updated On: 9/11/2026 - 8:18 AM
Click on each day to view forecast.
Friday Forecast:
Ozone
44 AQI
Max 8-hr Avg: 47 ppb
Max 8-hr Avg: 47 ppb
Saturday Forecast:
Ozone
41 AQI
Max 8-hr Avg: 44 ppb
Max 8-hr Avg: 44 ppb
Sunday Forecast:
Ozone
37 AQI
Max 8-hr Avg: 40 ppb
Max 8-hr Avg: 40 ppb
Monday Forecast:
Ozone
38 AQI
Max 8-hr Avg: 41 ppb
Max 8-hr Avg: 41 ppb
Tuesday Forecast:
Ozone
37 AQI
Max 8-hr Avg: 40 ppb
Max 8-hr Avg: 40 ppb
Air Quality By Pollutant:
Pollutant
Friday
9/11/2026
9/11/2026
Saturday
9/12/2026
9/12/2026
Sunday
9/13/2026
9/13/2026
Monday
9/14/2026
9/14/2026
Tuesday
9/15/2026
9/15/2026
O3
44
41
37
38
37
Pollutant
FRI
SAT
SUN
MON
TUE
O3
44
41
37
38
37
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns
Forecast Discussion:
Thunderstorm activity over and near Flagstaff (and associated cloudiness) will fluctuate from day to day through Tuesday. Winds will trend upward today with breezy to windy afternoons through Tuesday. With cloudiness from time to time, excellent ventilation and the seasonal decrease in daylight hours, anticipate peak 8 hour average Ozone values each day to remain in the Good category - though conditions today may approach the Moderate threshold.
- A. Jamison
ADEQ Meteorologist
- A. Jamison
ADEQ Meteorologist
What Flag Should I Fly?
Friday: Green
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Saturday: Green
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