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Primary air pollutant in the Williams area:
OZONE - 44 Good
Enjoy your outdoor activities.
[View the ADEQ Hourly Forecast for Flagstaff]
Today and tomorrow will have small chances for isolated thunderstorms, with today's chances being slightly better. Rain looks to be marginal, though. Clouds and breezes associated with thunderstorms should help to reduce ozone levels. However, as conditions dry out later in the week, ozone levels may start to trend upwards again.
M. Graves
https://azdeq.gov/forecast/flagstaff
Last Update: Wednesday, June 17, 2026, 9:20 AM
Primary Pollutant: OZONE - 50 Good
Primary Pollutant: OZONE - 51 Moderate
Primary Pollutant: OZONE - 51 Moderate
Primary Pollutant: OZONE - 54 Moderate
Primary Pollutant: OZONE - 54 Moderate
Primary Pollutant: OZONE - 58 Moderate