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Primary air pollutant in the Williams area:
OZONE - 43 Good
Enjoy your outdoor activities.
[View the ADEQ Hourly Forecast for Flagstaff]
Ozone levels made it to the low Moderate AQI range again yesterday. Looking ahead, we don't expect any major issues. We are forecasting ozone levels to continue hovering around the upper Good to lower Moderate AQI range through the forecast period.
R. Nicoll
https://azdeq.gov/forecast/flagstaff
Last Update: Friday, April 17, 2026, 9:17 AM
Primary Pollutant: OZONE - 50 Good
Primary Pollutant: OZONE - 47 Good
Primary Pollutant: OZONE - 51 Moderate
Primary Pollutant: OZONE - 49 Good