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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.

42
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

329h

PM2.5 Station

329h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 46 41–50 10.9 µg/m³ 2h 6
2026-07-21 50 29–118 13.0 µg/m³ 22h 5
2026-07-20 60 35–96 17.1 µg/m³ 22h 5
2026-07-19 55 27–119 15.5 µg/m³ 24h 5
2026-07-18 64 31–100 18.5 µg/m³ 23h 7
2026-07-17 110 33–195 45.9 µg/m³ 24h 6
2026-07-16 70 36–156 21.8 µg/m³ 24h 6
2026-07-15 49 26–129 12.8 µg/m³ 24h 7
2026-07-14 41 31–53 9.9 µg/m³ 24h 7
2026-07-13 36 24–58 8.6 µg/m³ 24h 6
2026-07-12 33 25–50 7.9 µg/m³ 23h 6
2026-07-11 34 23–47 8.1 µg/m³ 24h 6
2026-07-10 29 12–40 6.9 µg/m³ 24h 6
2026-07-09 32 9–45 7.7 µg/m³ 23h 7
2026-07-08 34 20–41 8.2 µg/m³ 22h 8
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