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Air Quality History for Friendswood, United States

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

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

Air Quality Index Station

333h

PM2.5 Station

333h · 65 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 31 31–31 7.4 µg/m³ 33.9 1h 65
2026-10-20 40 30–53 9.6 µg/m³ 21.0 24h 56
2026-10-19 40 28–53 9.5 µg/m³ 17.6 24h 60
2026-10-18 28 22–31 6.7 µg/m³ 10.3 24h 56
2026-10-17 20 18–23 4.9 µg/m³ 10.8 24h 62
2026-10-16 27 21–35 6.4 µg/m³ 19.9 24h 59
2026-10-15 33 25–43 8.0 µg/m³ 37.7 24h 60
2026-10-14 24 19–30 5.8 µg/m³ 20.2 24h 59
2026-10-13 22 19–30 5.3 µg/m³ 13.9 24h 60
2026-10-12 21 18–23 5.0 µg/m³ 27.1 24h 61
2026-10-11 23 19–26 5.6 µg/m³ 22.8 24h 62
2026-10-10 46 27–63 11.5 µg/m³ 46.4 24h 56
2026-10-09 46 25–57 11.3 µg/m³ 48.4 24h 57
2026-10-08 50 39–64 12.5 µg/m³ 47.3 24h 63
2026-10-07 45 29–52 10.7 µg/m³ 47.3 20h 61
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