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Air Quality History for Dupont Circle, United States

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

15
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 23 17–32 5.6 µg/m³ 8h 6
2026-06-08 28 16–44 6.8 µg/m³ 24h 6
2026-06-07 34 20–46 8.2 µg/m³ 24h 6
2026-06-06 45 34–55 10.7 µg/m³ 24h 7
2026-06-05 39 21–57 9.4 µg/m³ 24h 6
2026-06-04 32 23–53 7.7 µg/m³ 24h 6
2026-06-03 28 16–38 6.7 µg/m³ 24h 6
2026-06-02 26 18–38 6.3 µg/m³ 24h 6
2026-06-01 27 18–35 6.4 µg/m³ 24h 5
2026-05-31 24 15–38 5.8 µg/m³ 24h 5
2026-05-30 27 18–40 6.4 µg/m³ 24h 6
2026-05-29 26 13–55 6.2 µg/m³ 24h 6
2026-05-28 24 12–33 5.9 µg/m³ 24h 6
2026-05-27 31 13–51 7.3 µg/m³ 24h 6
2026-05-26 29 21–42 7.0 µg/m³ 15h 6
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