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Air Quality History for Alpharetta, United States

Historical PM2.5 and AQI trend from monitoring stations near Alpharetta, United States.

9
Current AQI
Good Station

Air Quality Index Station

296h

PM2.5 Station

296h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 24 4–80 6.8 µg/m³ 6.9 7h 1
2026-05-29 42 17–104 11.3 µg/m³ 11.9 24h 1
2026-05-28 11 3–29 2.5 µg/m³ 2.6 19h 1
2026-05-27 20 4–49 4.8 µg/m³ 5.2 19h 1
2026-05-26 16 2–56 3.8 µg/m³ 4.2 13h 1
2026-05-25 16 1–57 4.0 µg/m³ 4.3 19h 1
2026-05-24 26 5–65 6.5 µg/m³ 6.8 18h 1
2026-05-23 23 5–60 5.5 µg/m³ 5.8 22h 1
2026-05-22 44 4–75 11.8 µg/m³ 12.1 21h 1
2026-05-21 61 11–88 18.2 µg/m³ 18.5 24h 1
2026-05-20 49 19–84 13.5 µg/m³ 13.7 24h 1
2026-05-19 42 2–69 10.8 µg/m³ 11.3 24h 1
2026-05-18 26 12–56 6.3 µg/m³ 6.5 23h 1
2026-05-17 66 31–88 19.9 µg/m³ 20.4 24h 1
2026-05-16 43 15–78 11.3 µg/m³ 11.6 15h 1
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