Concentration Data | Air Quality Division (AQD)

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Important: This information is published as soon as the values are detected, and does not imply that the data have passed quality assurance validation procedures.

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The O3 (PPM) at Flagstaff High School on 6/4/2026 chart showing f8727a03-f33e-ef11-9d67-6045bdcc3199 series.

Disclaimer/Warning: These preliminary data have been obtained from automated instruments and have not been subjected to a quality assurance review to determine their accuracy. They are presented for public awareness and should not be considered final. Conditions such as power outages and equipment malfunctions can produce invalid data.