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Air Quality History for Baltimore, United States

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

41
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 54 31–75 15.0 µg/m³ 22h 25
2026-07-20 68 51–81 20.3 µg/m³ 24h 25
2026-07-19 62 36–90 18.0 µg/m³ 24h 26
2026-07-18 131 59–157 50.2 µg/m³ 24h 27
2026-07-17 166 58–223 97.6 µg/m³ 24h 28
2026-07-16 62 51–159 17.6 µg/m³ 24h 26
2026-07-15 51 32–83 12.9 µg/m³ 24h 27
2026-07-14 40 32–52 9.6 µg/m³ 24h 26
2026-07-13 38 29–49 9.0 µg/m³ 24h 26
2026-07-12 42 29–52 10.2 µg/m³ 24h 25
2026-07-11 43 29–51 10.4 µg/m³ 24h 21
2026-07-10 43 26–63 10.9 µg/m³ 24h 25
2026-07-09 35 26–42 8.4 µg/m³ 24h 26
2026-07-08 40 25–52 9.5 µg/m³ 24h 28
2026-07-07 50 36–56 12.4 µg/m³ 24h 30
2026-07-06 47 28–59 11.7 µg/m³ 14h 26
2026-07-05 101 56–161 35.6 µg/m³ 24h 30
2026-07-04 56 40–66 14.8 µg/m³ 24h 30
2026-07-03 57 52–61 14.9 µg/m³ 24h 32
2026-07-02 55 43–60 14.0 µg/m³ 12h 29
2026-07-01 58 58–58 15.3 µg/m³ 1h 32
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