Air Quality in Princeton, United States

Windy
7.0°C · 57.2% humidity
7.0°
Feels 1.4°
0
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
38 8pm
37
18
34 11pm
34
34
34 2am
34
34
47 5am
47
47
47 8am
47
47
72 11am
72
72
72 2pm
72
47
47 5pm
47
47
Station readings
38
37
18
CAMS model adj -3
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
75
75
75
75
75
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

26h · 2 stations
57.2%
Humidity
48.0 km/h
Wind SSE
1032.4 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Princeton?

Temperature & Precipitation

PM2.50.0 µg/m³
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Princeton?

04-09
12.9° -1.1°
04-10
17.9° 2.8°
04-11
21.3° 7.4°
04-12
19.1° 8.9°
04-13
21.4° 8.0°
0.13 mm
04-14
26.6° 15.6°
04-15
23.5° 18.6°
0.13 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Princeton?

38
Rider University, NewJersey, USA
10.2 km
38
Rider University, NewJersey, USA
10.2 km
38
Rider University, NewJersey, USA
10.2 km
37
Rider University, NewJersey, USA
10.2 km
40
Flemington, NewJersey, USA
22.3 km
39
Flemington, NewJersey, USA
22.3 km
34
Rutgers University, NewJersey, USA
23.2 km
35
Rutgers University, NewJersey, USA
23.2 km

What cities are near Princeton?

6 Mercerville-Hamilton Square Hillsborough 33 Ewing 33 Trenton North Brunswick Somerset East Brunswick New Brunswick South River Old Bridge

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:10 UTC.