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Air Quality History for Towson, United States

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

32
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

314h

PM2.5 Station

314h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 23 21–25 5.5 µg/m³ 2h 5
2026-07-21 53 26–76 14.7 µg/m³ 23h 5
2026-07-20 69 57–82 20.5 µg/m³ 22h 5
2026-07-19 62 34–89 18.2 µg/m³ 23h 5
2026-07-18 134 60–159 53.3 µg/m³ 23h 5
2026-07-17 169 61–229 102.4 µg/m³ 24h 5
2026-07-16 58 56–61 15.5 µg/m³ 22h 5
2026-07-15 51 46–58 12.7 µg/m³ 23h 5
2026-07-14 40 32–53 9.7 µg/m³ 23h 5
2026-07-13 38 30–46 9.0 µg/m³ 23h 5
2026-07-12 42 26–50 10.1 µg/m³ 22h 5
2026-07-11 46 39–51 10.9 µg/m³ 18h 4
2026-07-10 43 24–65 11.3 µg/m³ 22h 5
2026-07-09 35 24–42 8.5 µg/m³ 23h 5
2026-07-08 39 26–48 9.3 µg/m³ 21h 5
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