What is the air quality in Dorchester today?

The current Air Quality Index (AQI) in Dorchester is 1 (Good). PM2.5 concentration is 0.3 µg/m³.

What is the temperature in Dorchester right now?

The current temperature in Dorchester is 12.6°C (feels like 12.6°C). Humidity is 84.0% and wind speed is 48.4 km/h.

Is it safe to go outside in Dorchester?

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

Air Quality in Dorchester, United Kingdom

Drizzle

12.6°C · 84.0% humidity

12.6°

Feels 12.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

38h · 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.

84.0%

Humidity

48.4 km/h

Wind NNE

1019.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

0.3 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Dorchester?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station

PM2.50.3 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

0.3

Median

0.3

Average

0.3

Low

0.3

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +5.5

What is the 7-day forecast for Dorchester?

10-21

12.6° 5.4°

0.31 mm

10-22

18.1° 8.9°

0.5 mm

10-23

12.7° 8.5°

4.19 mm

10-24

14.0° 7.1°

10-25

14.0° 8.2°

12.25 mm

10-26

10.6° 9.8°

1.19 mm

10-27

17.3° 5.5°

9.38 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Dorchester?

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Wareham Weather

22.8 km 12.7°C 69.0% RH PM2.5: 0.0 µg/m³ PM10: 0.5 µg/m³

What cities are near Dorchester?

12 Weymouth 20 Yeovil 13 Poole 24 Ferndown 25 Bournemouth 28 Christchurch 28 New Milton 2 Warminster 2 Frome 23 Taunton

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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 2026-10-21T15:00 UTC.