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Air Quality History for Harlem, United States

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

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

409h

PM2.5 Station

409h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 33 6–58 8.1 µg/m³ 23h 1
2026-07-20 18 8–33 4.4 µg/m³ 22h 1
2026-07-19 55 21–87 16.0 µg/m³ 24h 1
2026-07-18 136 29–184 61.4 µg/m³ 24h 1
2026-07-17 119 25–211 61.9 µg/m³ 24h 1
2026-07-16 128 73–263 63.1 µg/m³ 24h 1
2026-07-15 120 18–206 62.9 µg/m³ 14h 1
2026-07-14 11 5–20 2.7 µg/m³ 4h 1
2026-07-13 9 4–17 2.2 µg/m³ 5h 1
2026-07-12 29 9–53 6.9 µg/m³ 22h 1
2026-07-11 35 12–58 8.6 µg/m³ 24h 1
2026-07-10 35 12–66 8.8 µg/m³ 24h 1
2026-07-09 28 4–105 7.3 µg/m³ 24h 1
2026-07-08 18 3–45 4.4 µg/m³ 24h 1
2026-07-07 18 3–88 4.6 µg/m³ 24h 1
2026-07-06 26 3–65 6.6 µg/m³ 15h 2
2026-07-05 41 11–60 10.1 µg/m³ 24h 1
2026-07-04 26 12–53 6.4 µg/m³ 24h 1
2026-07-03 36 16–136 9.4 µg/m³ 24h 1
2026-07-02 37 21–58 9.2 µg/m³ 15h 2
2026-07-01 52 52–52 12.7 µg/m³ 1h 1
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