Home › United States › Princeton › History

Air Quality History for Princeton, United States

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

23
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 19 8–26 4.6 µg/m³ 10.0 13h 70
2026-06-08 28 17–58 6.8 µg/m³ 8.4 24h 81
2026-06-07 34 30–41 8.3 µg/m³ 9.0 24h 82
2026-06-06 54 38–62 14.0 µg/m³ 18.2 24h 79
2026-06-05 44 38–51 10.6 µg/m³ 9.0 24h 82
2026-06-04 30 25–35 7.1 µg/m³ 4.5 24h 81
2026-06-03 27 23–30 6.4 µg/m³ 3.6 24h 80
2026-06-02 24 23–25 5.9 µg/m³ 5.1 24h 81
2026-06-01 26 14–33 6.2 µg/m³ 4.8 24h 71
2026-05-31 21 16–29 5.0 µg/m³ 3.8 24h 81
2026-05-30 20 15–27 4.8 µg/m³ 3.2 24h 80
2026-05-29 19 15–25 4.6 µg/m³ 1.8 24h 81
2026-05-28 29 19–38 6.9 µg/m³ 4.0 24h 75
2026-05-27 43 28–59 10.5 µg/m³ 11.0 24h 82
2026-05-26 36 24–58 8.8 µg/m³ 7.9 24h 80
2026-05-25 33 25–46 8.0 µg/m³ 8.6 24h 81
2026-05-24 16 10–28 4.0 µg/m³ 2.9 24h 80
2026-05-23 20 18–21 4.7 µg/m³ 4.0 24h 80
2026-05-22 21 18–25 5.1 µg/m³ 4.1 24h 77
2026-05-21 20 14–34 4.9 µg/m³ 5.2 24h 80
2026-05-20 39 32–48 9.4 µg/m³ 5.7 11h 81
Back to Princeton Air Quality