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Air Quality History for Port Arthur, United States

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

3
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

458h

PM2.5 Station

458h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 34 10–91 8.9 µg/m³ 15h 3
2026-09-04 46 9–100 13.5 µg/m³ 23h 3
2026-09-03 40 12–90 10.9 µg/m³ 23h 2
2026-09-02 35 5–62 8.6 µg/m³ 20h 2
2026-09-01 35 10–68 8.7 µg/m³ 22h 2
2026-08-31 44 26–61 11.2 µg/m³ 23h 3
2026-08-30 40 1–76 10.4 µg/m³ 24h 2
2026-08-29 35 9–62 8.5 µg/m³ 23h 3
2026-08-28 49 20–82 13.1 µg/m³ 22h 3
2026-08-27 44 3–64 11.4 µg/m³ 23h 2
2026-08-26 48 21–75 12.4 µg/m³ 23h 3
2026-08-25 43 20–59 10.3 µg/m³ 24h 2
2026-08-24 43 14–69 10.6 µg/m³ 23h 3
2026-08-23 49 23–62 12.3 µg/m³ 24h 3
2026-08-22 54 29–67 13.9 µg/m³ 23h 3
2026-08-21 59 20–99 16.7 µg/m³ 24h 3
2026-08-20 53 13–165 15.1 µg/m³ 23h 2
2026-08-19 45 28–80 11.6 µg/m³ 24h 3
2026-08-18 39 25–99 10.1 µg/m³ 24h 2
2026-08-17 40 24–62 9.8 µg/m³ 24h 3
2026-08-16 42 25–61 10.7 µg/m³ 4h 2
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