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Air Quality History for Madison, United States

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

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

432h

PM2.5 Station

432h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 33 28–40 8.0 µg/m³ 6h 2
2026-05-29 32 16–55 7.6 µg/m³ 21h 2
2026-05-28 25 7–53 6.0 µg/m³ 24h 2
2026-05-27 26 8–47 6.1 µg/m³ 22h 2
2026-05-26 23 5–44 5.5 µg/m³ 21h 2
2026-05-25 25 5–52 6.0 µg/m³ 22h 2
2026-05-24 24 4–47 5.7 µg/m³ 22h 2
2026-05-23 24 13–46 5.8 µg/m³ 22h 2
2026-05-22 23 8–43 5.6 µg/m³ 23h 2
2026-05-21 29 11–56 7.1 µg/m³ 20h 2
2026-05-20 30 15–56 7.2 µg/m³ 23h 2
2026-05-19 35 13–133 9.1 µg/m³ 22h 2
2026-05-18 36 11–56 8.7 µg/m³ 20h 2
2026-05-17 41 21–59 10.1 µg/m³ 18h 2
2026-05-16 36 15–57 8.7 µg/m³ 20h 2
2026-05-15 41 6–282 16.9 µg/m³ 23h 2
2026-05-14 33 18–77 8.3 µg/m³ 21h 2
2026-05-13 32 18–46 7.6 µg/m³ 21h 2
2026-05-12 32 12–55 7.7 µg/m³ 21h 2
2026-05-11 28 7–57 6.8 µg/m³ 23h 2
2026-05-10 38 23–61 9.4 µg/m³ 17h 2
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