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Air Quality History for Richardson, United States

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

42
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 40 40–40 9.6 µg/m³ 33.4 1h 2
2026-06-08 47 30–56 11.5 µg/m³ 36.3 24h 3
2026-06-07 30 9–65 7.5 µg/m³ 16.6 24h 2
2026-06-06 24 10–54 5.8 µg/m³ 11.8 23h 3
2026-06-05 36 23–54 8.7 µg/m³ 18.2 24h 2
2026-06-04 37 24–54 9.0 µg/m³ 23.1 23h 3
2026-06-03 46 18–75 11.4 µg/m³ 24.8 24h 2
2026-06-02 44 18–76 11.2 µg/m³ 60.8 24h 2
2026-06-01 32 19–65 7.9 µg/m³ 23.7 22h 3
2026-05-31 30 18–43 7.3 µg/m³ 18.4 24h 2
2026-05-30 31 21–42 7.5 µg/m³ 21.6 24h 3
2026-05-29 35 18–51 8.4 µg/m³ 23.4 24h 2
2026-05-28 32 16–63 7.7 µg/m³ 21.6 24h 3
2026-05-27 25 12–41 6.0 µg/m³ 14.4 23h 3
2026-05-26 43 20–81 10.8 µg/m³ 25.0 23h 3
2026-05-25 34 14–53 8.1 µg/m³ 19.4 23h 3
2026-05-24 36 27–50 8.6 µg/m³ 20.1 23h 3
2026-05-23 29 15–53 6.9 µg/m³ 16.5 23h 3
2026-05-22 38 8–70 9.5 µg/m³ 18.5 23h 3
2026-05-21 39 18–64 9.6 µg/m³ 20.1 22h 3
2026-05-20 32 20–75 8.1 µg/m³ 20.6 20h 2
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