What is the air quality in Williamstown today?

The current Air Quality Index (AQI) in Williamstown is 32 (Good). PM2.5 concentration is 7.56 µg/m³.

What is the temperature in Williamstown right now?

The current temperature in Williamstown is 12.9°C (feels like 12.9°C). Humidity is 65.1% and wind speed is 47.9 km/h.

Is it safe to go outside in Williamstown?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Williamstown, United States

Windy

12.9°C · 65.1% humidity

12.9°

Feels 12.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 10pm

32 1am

28 4am

26 7am

27 10am

25 1pm

25 4pm

25 7pm

Air Quality Index Trend

49h · 3 stn

View full history →

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

65.1%

Humidity

47.9 km/h

Wind W

1003.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.56 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Williamstown?

Temperature & Precipitation

PM2.5 Trend

49h · 3 stations

PM2.57.56 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Williamstown?

06-09

32.1° 12.9°

0.06 mm

06-10

31.2° 21.6°

11.31 mm

06-11

25.9° 15.3°

06-12

24.0° 18.2°

2.75 mm

06-13

31.9° 18.8°

06-14

28.3° 16.9°

7.44 mm

06-15

25.2° 13.6°

Both models agree Avg diff: 6.5°C

Where are air quality stations near Williamstown?

3184 League Island Blvd

27.5 km PM2.5: 4.2 µg/m³

Pattison & Galloway

27.8 km PM2.5: 4.3 µg/m³

AMS SWA Site

29.2 km PM2.5: 4.1 µg/m³

2600 Penrose Ave

29.7 km PM2.5: 4.4 µg/m³

3001 S 84th St

31.6 km PM2.5: 4.5 µg/m³

7331 Lindbergh Blvd

32.0 km PM2.5: 4.5 µg/m³

What cities are near Williamstown?

32 Sicklerville 19 Glassboro 33 Jackson 20 Lindenwold 19 Sewell 19 Vineland 19 South Vineland 20 Cherry Hill 22 Camden 20 Mount Laurel

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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 2026-06-09T05:24 UTC.