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Air Quality History for Rockville Centre, United States

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

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 10 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 18 15–22 4.4 µg/m³ — 2h 9
2026-10-20 43 18–67 11.2 µg/m³ 143.8 24h 9
2026-10-19 44 14–76 11.3 µg/m³ 138.6 24h 9
2026-10-18 38 12–60 9.3 µg/m³ 143.8 24h 8
2026-10-17 37 11–60 9.1 µg/m³ 149.0 24h 9
2026-10-16 45 20–77 11.8 µg/m³ 129.5 24h 9
2026-10-15 41 13–70 10.7 µg/m³ 139.0 24h 9
2026-10-14 56 25–85 16.0 µg/m³ 102.1 24h 7
2026-10-13 49 23–77 13.4 µg/m³ 129.5 24h 8
2026-10-12 48 16–79 13.5 µg/m³ 149.0 24h 6
2026-10-11 42 14–74 11.2 µg/m³ 149.0 24h 8
2026-10-10 45 20–74 11.6 µg/m³ 143.7 24h 8
2026-10-09 44 17–71 11.7 µg/m³ 123.0 24h 8
2026-10-08 44 14–64 11.1 µg/m³ 134.3 24h 9
2026-10-07 30 17–62 7.5 µg/m³ 88.7 24h 8
2026-10-06 20 15–43 4.9 µg/m³ — 24h 8
2026-10-05 22 17–38 5.3 µg/m³ 11.4 24h 9
2026-10-04 21 15–26 5.0 µg/m³ 1.1 24h 8
2026-10-03 20 15–27 4.9 µg/m³ — 24h 9
2026-10-02 43 27–55 10.4 µg/m³ 15.0 24h 10
2026-10-01 44 31–59 11.0 µg/m³ 65.7 20h 10
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