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Air Quality History for Willoughby, United States

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

59
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 49 36–61 12.2 µg/m³ 13h 3
2026-06-08 39 30–49 9.3 µg/m³ 24h 3
2026-06-07 38 26–48 9.1 µg/m³ 24h 3
2026-06-06 44 20–55 10.7 µg/m³ 23h 3
2026-06-05 45 30–56 10.9 µg/m³ 24h 3
2026-06-04 34 26–45 8.2 µg/m³ 24h 3
2026-06-03 30 21–43 7.2 µg/m³ 24h 3
2026-06-02 25 20–32 5.9 µg/m³ 24h 3
2026-06-01 31 21–46 7.5 µg/m³ 24h 3
2026-05-31 24 18–29 5.8 µg/m³ 24h 3
2026-05-30 25 16–38 5.9 µg/m³ 24h 3
2026-05-29 23 16–35 5.6 µg/m³ 24h 3
2026-05-28 23 18–38 5.5 µg/m³ 24h 3
2026-05-27 36 23–84 8.9 µg/m³ 24h 3
2026-05-26 31 20–54 7.4 µg/m³ 24h 3
2026-05-25 40 27–58 9.8 µg/m³ 24h 3
2026-05-24 28 19–46 6.9 µg/m³ 24h 3
2026-05-23 15 8–26 3.7 µg/m³ 24h 3
2026-05-22 19 14–26 4.5 µg/m³ 24h 3
2026-05-21 18 12–30 4.4 µg/m³ 24h 3
2026-05-20 18 13–26 4.4 µg/m³ 10h 3
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