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Air Quality History for Webster Groves, United States

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

56
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

328h

PM2.5 Station

328h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 31 20–57 7.5 µg/m³ 15h 5
2026-05-28 30 19–48 7.1 µg/m³ 24h 4
2026-05-27 29 16–47 7.0 µg/m³ 24h 5
2026-05-26 28 16–42 6.7 µg/m³ 24h 5
2026-05-25 31 16–42 7.4 µg/m³ 24h 4
2026-05-24 28 11–37 6.8 µg/m³ 24h 5
2026-05-23 22 13–34 5.2 µg/m³ 24h 5
2026-05-22 25 16–38 6.0 µg/m³ 24h 6
2026-05-21 28 12–80 7.0 µg/m³ 24h 5
2026-05-20 27 16–40 6.4 µg/m³ 24h 5
2026-05-19 28 10–42 6.6 µg/m³ 24h 6
2026-05-18 36 21–58 8.6 µg/m³ 24h 5
2026-05-17 34 3–53 8.2 µg/m³ 22h 5
2026-05-16 43 28–87 10.9 µg/m³ 21h 6
2026-05-15 45 34–58 11.1 µg/m³ 6h 4
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