What is the air quality in Chepstow today?

The current Air Quality Index (AQI) in Chepstow is 21 (Good). PM2.5 concentration is 5.0 µg/m³.

What is the temperature in Chepstow right now?

The current temperature in Chepstow is 12.2°C (feels like 12.2°C). Humidity is 62.5% and wind speed is 47.6 km/h.

Is it safe to go outside in Chepstow?

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

Air Quality in Chepstow, United Kingdom

Windy

12.2°C · 62.5% humidity

12.2°

Feels 12.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

25 1am

21 4am

25 7am

25 10am

25 1pm

25 4pm

25 7pm

25 10pm

Station readings

CAMS model

Air Quality Index Trend

26h · 1 stn

View full history →

Chepstow'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.

62.5%

Humidity

47.6 km/h

Wind NNE

1015.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chepstow?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station

PM2.55.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (4 stations within 25 km)

5.0

Median

6.25

Average

5.0

Low

7.7

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +1.0

What is the 7-day forecast for Chepstow?

07-22

23.7° 12.2°

2.56 mm

07-23

20.4° 13.2°

0.06 mm

07-24

18.1° 14.2°

13.62 mm

07-25

23.0° 9.8°

0.13 mm

07-26

25.6° 10.7°

0.81 mm

07-27

23.5° 15.0°

1.81 mm

07-28

26.5° 14.0°

Both models agree Avg diff: 3.4°C

Where are air quality stations near Chepstow?

Chepstow A48, United Kingdom

0.3 km PM2.5: 6.7 µg/m³

North Yate

20.1 km PM2.5: 7.2 µg/m³ PM10: 7.9 µg/m³

Bristol St Paul's, United Kingdom

20.8 km PM2.5: 6.7 µg/m³

101

Bristol St Paul's, United Kingdom

20.8 km PM2.5: 35.5 µg/m³

Newport, United Kingdom

21.2 km PM2.5: 4.1 µg/m³

What cities are near Chepstow?

26 Portishead 27 Mangotsfield 22 Yate 30 Bristol 22 Chipping Sodbury 35 Newport 25 Nailsea 44 Cwmbran 28 Kingswood 52 Clevedon

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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 2026-07-22T03:15 UTC.