What is the air quality in Princeton today?

The current Air Quality Index (AQI) in Princeton is 17 (Good). PM2.5 concentration is 4.01 µg/m³.

What is the temperature in Princeton right now?

The current temperature in Princeton is 30.7°C (feels like 35.3°C). Humidity is 59.5% and wind speed is 23.2 km/h.

Is it safe to go outside in Princeton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Princeton, United States

Drizzle

30.7°C · 59.5% humidity

30.7°

Feels 35.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

44h · 1 stn

View full history →

Princeton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

59.5%

Humidity

23.2 km/h

Wind E

1011.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.01 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Princeton?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station

PM2.54.01 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

4.01

Median

4.01

Average

4.01

Low

4.01

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +2.0

What is the 7-day forecast for Princeton?

10-20

30.7° 19.3°

1.38 mm

10-21

29.1° 24.0°

0.81 mm

10-22

30.7° 25.2°

0.06 mm

10-23

31.3° 23.3°

3.06 mm

10-24

32.1° 22.2°

4.19 mm

10-25

30.7° 19.4°

2.44 mm

10-26

27.4° 18.5°

6.25 mm

Both models agree Avg diff: 1.8°C

Where are air quality stations near Princeton?

Test_1

23.2 km PM2.5: 4.0 µg/m³

What cities are near Princeton?

20 Leisure City 17 South Miami Heights 17 Cutler Ridge 17 Richmond West 17 Cutler Bay 21 Homestead 17 Country Walk 19 Three Lakes 20 Palmetto Bay 20 Cutler

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:56 UTC.