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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.

41
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

433h

PM2.5 Station

433h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 33 18–52 7.9 µg/m³ 14h 3
2026-05-28 32 21–53 7.6 µg/m³ 23h 3
2026-05-27 32 4–79 8.0 µg/m³ 21h 3
2026-05-26 35 22–61 8.6 µg/m³ 22h 3
2026-05-25 40 18–67 10.3 µg/m³ 23h 2
2026-05-24 37 19–72 9.0 µg/m³ 22h 2
2026-05-23 33 2–59 8.0 µg/m³ 22h 2
2026-05-22 39 8–76 10.2 µg/m³ 20h 3
2026-05-21 37 20–68 9.1 µg/m³ 21h 2
2026-05-20 49 16–191 16.5 µg/m³ 23h 2
2026-05-19 51 12–84 14.0 µg/m³ 22h 2
2026-05-18 69 34–195 23.8 µg/m³ 24h 3
2026-05-17 51 8–86 13.3 µg/m³ 20h 3
2026-05-16 38 9–56 9.1 µg/m³ 18h 2
2026-05-15 37 12–73 9.2 µg/m³ 21h 2
2026-05-14 39 17–71 9.9 µg/m³ 22h 2
2026-05-13 43 13–78 11.0 µg/m³ 23h 2
2026-05-12 30 13–62 7.3 µg/m³ 23h 2
2026-05-11 33 14–80 8.3 µg/m³ 20h 2
2026-05-10 36 20–53 8.7 µg/m³ 22h 2
2026-05-09 37 11–52 8.9 µg/m³ 7h 3
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