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Air Quality History for Houston, United States

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

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

51h

PM2.5 Station

51h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 30 30–30 7.1 µg/m³ 1h 2
2026-09-04 30 23–38 7.1 µg/m³ 3h 1
2026-09-03 52 51–52 12.3 µg/m³ 2h 1
2026-09-02 35 17–51 8.5 µg/m³ 3h 2
2026-09-01 28 22–33 6.6 µg/m³ 2h 1
2026-08-31 35 35–35 8.4 µg/m³ 1h 1
2026-08-30 35 26–48 8.3 µg/m³ 3h 1
2026-08-29 39 11–69 10.3 µg/m³ 4h 2
2026-08-28 20 10–35 4.7 µg/m³ 3h 1
2026-08-27 45 25–57 11.5 µg/m³ 3h 2
2026-08-26 37 26–44 8.9 µg/m³ 3h 2
2026-08-25 60 49–70 16.4 µg/m³ 4h 2
2026-08-24 35 2–52 8.5 µg/m³ 3h 1
2026-08-23 59 59–59 15.9 µg/m³ 1h 1
2026-08-22 61 60–62 16.8 µg/m³ 2h 1
2026-08-21 65 62–68 18.8 µg/m³ 2h 1
2026-08-20 58 56–59 15.2 µg/m³ 2h 2
2026-08-19 40 36–44 9.6 µg/m³ 2h 2
2026-08-18 25 10–35 5.9 µg/m³ 3h 1
2026-08-17 55 46–63 14.4 µg/m³ 3h 1
2026-08-16 37 37–37 9.0 µg/m³ 1h 2
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