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Air Quality History for Princeton, United States

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

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

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 18 10–25 4.3 µg/m³ 1.5 17h 72
2026-05-28 29 19–38 7.0 µg/m³ 4.0 24h 75
2026-05-27 43 29–59 10.5 µg/m³ 11.0 24h 84
2026-05-26 38 24–58 9.3 µg/m³ 7.9 24h 82
2026-05-25 34 25–49 8.1 µg/m³ 8.6 24h 81
2026-05-24 17 11–28 4.1 µg/m³ 2.9 24h 81
2026-05-23 21 18–32 4.9 µg/m³ 4.0 24h 81
2026-05-22 23 20–40 5.4 µg/m³ 4.1 24h 79
2026-05-21 21 14–34 5.0 µg/m³ 5.2 24h 81
2026-05-20 45 32–61 11.2 µg/m³ 10.9 24h 81
2026-05-19 61 47–67 17.1 µg/m³ 22.2 24h 82
2026-05-18 58 52–64 15.3 µg/m³ 21.1 24h 82
2026-05-17 42 32–48 10.0 µg/m³ 9.6 24h 82
2026-05-16 32 22–43 7.7 µg/m³ 5.3 24h 80
2026-05-15 20 19–22 4.9 µg/m³ 1.3 7h 80
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