What is the air quality in Dorchester today?

The current Air Quality Index (AQI) in Dorchester is 27 (Good). PM2.5 concentration is 6.38 µg/m³.

What is the temperature in Dorchester right now?

The current temperature in Dorchester is 12.7°C (feels like 12.7°C). Humidity is 98.9% and wind speed is 35.4 km/h.

Is it safe to go outside in Dorchester?

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

Air Quality in Dorchester, United Kingdom

Overcast

12.7°C · 98.9% humidity

12.7°

Feels 12.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

27 8pm

27 11pm

25 2am

27 5am

27 8am

27 11am

25 2pm

27 5pm

Air Quality Index Trend

26h · 1 stn

View full history →

Dorchester's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

98.9%

Humidity

35.4 km/h

Wind SW

1008.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.38 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Dorchester?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station

PM2.56.38 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Both models agree Avg diff: 2.7°C

What cities are near Dorchester?

27 Weymouth 22 Yeovil 42 Poole 42 Ferndown 42 Bournemouth 42 Christchurch 42 New Milton 2 Warminster 3 Frome 23 Taunton

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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 2026-05-29T22:37 UTC.