What is the air quality in Weymouth today?

The current Air Quality Index (AQI) in Weymouth is 30 (Good). PM2.5 concentration is 7.09 µg/m³.

What is the temperature in Weymouth right now?

The current temperature in Weymouth is 19.2°C (feels like 19.2°C). Humidity is 49.7% and wind speed is 24.2 km/h.

Is it safe to go outside in Weymouth?

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

Air Quality in Weymouth, United States

Drizzle

19.2°C · 49.7% humidity

19.2°

Feels 19.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

25 5pm

30 8pm

27 11pm

26 2am

25 5am

25 8am

24 11am

25 2pm

Air Quality Index Trend

47h · 1 stn

View full history →

Weymouth's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Weymouth is 1.4× the WHO annual guideline of 5 µg/m³.

49.7%

Humidity

24.2 km/h

Wind NNW

1019.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.09 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Weymouth?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.57.09 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

7.09

Median

7.2

Average

6.2

Low

8.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.2

What is the 7-day forecast for Weymouth?

05-29

19.2° 11.4°

0.25 mm

05-30

21.1° 10.1°

8.37 mm

05-31

22.8° 11.0°

0.56 mm

06-01

19.6° 9.7°

06-02

20.6° 12.6°

0.19 mm

06-03

23.3° 14.2°

06-04

18.9° 17.1°

0.31 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Weymouth?

Milton Blue Hill Observatory

14.4 km PM2.5: 3.4 µg/m³

Boston Roxbury

16.8 km PM2.5: 8.2 µg/m³

Nubian Square - DEP Station

16.9 km PM2.5: 5.3 µg/m³

Boston

18.2 km PM2.5: 4.6 µg/m³

Boston

18.2 km PM2.5: 9.6 µg/m³

Brockton

18.3 km PM2.5: 2.2 µg/m³

What cities are near Weymouth?

30 Braintree 29 Quincy 26 Rockland 30 Randolph 30 Milton 30 Ashmont 24 Abington 30 Mattapan 30 Dorchester 27 South Boston

Get AQI alerts for Weymouth

Notify me when air quality reaches:

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

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:25 UTC.