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Air Quality History for Decatur, United States

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

30
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

405h

PM2.5 Station

405h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 30 18–49 7.3 µg/m³ 7h 1
2026-05-29 25 6–41 6.0 µg/m³ 20h 2
2026-05-28 30 18–51 7.3 µg/m³ 23h 2
2026-05-27 26 8–47 6.3 µg/m³ 22h 2
2026-05-26 27 5–53 6.6 µg/m³ 21h 2
2026-05-25 27 15–45 6.5 µg/m³ 20h 2
2026-05-24 22 9–48 5.4 µg/m³ 19h 2
2026-05-23 22 10–48 5.3 µg/m³ 23h 2
2026-05-22 23 4–47 5.5 µg/m³ 19h 2
2026-05-21 20 5–30 4.7 µg/m³ 19h 1
2026-05-20 28 9–58 6.9 µg/m³ 19h 2
2026-05-19 33 6–50 7.8 µg/m³ 16h 2
2026-05-18 37 9–55 9.0 µg/m³ 17h 1
2026-05-17 45 23–80 11.3 µg/m³ 15h 2
2026-05-16 36 9–51 8.7 µg/m³ 20h 2
2026-05-15 28 5–67 6.9 µg/m³ 21h 2
2026-05-14 35 18–64 8.5 µg/m³ 23h 2
2026-05-13 34 18–51 8.3 µg/m³ 22h 2
2026-05-12 30 4–59 7.2 µg/m³ 23h 2
2026-05-11 33 6–85 8.2 µg/m³ 21h 1
2026-05-10 34 11–47 8.2 µg/m³ 15h 2
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