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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

459h

PM2.5 Station

459h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 24 16–30 5.6 µg/m³ 6h 8
2026-07-21 52 26–75 14.3 µg/m³ 24h 7
2026-07-20 62 38–79 17.5 µg/m³ 24h 7
2026-07-19 58 35–89 16.5 µg/m³ 24h 7
2026-07-18 117 56–151 41.7 µg/m³ 23h 7
2026-07-17 159 75–225 82.3 µg/m³ 24h 7
2026-07-16 66 25–164 20.7 µg/m³ 24h 8
2026-07-15 49 37–62 12.0 µg/m³ 23h 8
2026-07-14 38 25–51 9.2 µg/m³ 24h 7
2026-07-13 37 28–45 8.9 µg/m³ 24h 8
2026-07-12 38 25–47 9.2 µg/m³ 24h 7
2026-07-11 40 28–51 9.5 µg/m³ 24h 6
2026-07-10 41 25–65 10.3 µg/m³ 24h 7
2026-07-09 35 28–42 8.5 µg/m³ 24h 7
2026-07-08 38 24–51 9.2 µg/m³ 24h 8
2026-07-07 48 32–57 11.9 µg/m³ 24h 9
2026-07-06 46 23–55 11.2 µg/m³ 13h 8
2026-07-05 82 45–150 26.4 µg/m³ 24h 8
2026-07-04 54 39–61 13.8 µg/m³ 24h 8
2026-07-03 56 49–61 14.6 µg/m³ 24h 8
2026-07-02 55 53–59 14.2 µg/m³ 10h 8
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