What is the air quality in Chepstow today?

The current Air Quality Index (AQI) in Chepstow is 7 (Good). PM2.5 concentration is 1.7 µg/m³.

What is the temperature in Chepstow right now?

The current temperature in Chepstow is 12.7°C (feels like 12.7°C). Humidity is 55.9% and wind speed is 31.7 km/h.

Is it safe to go outside in Chepstow?

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

Air Quality in Chepstow, United Kingdom

Drizzle

12.7°C · 55.9% humidity

12.7°

Feels 12.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

37h · 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.

55.9%

Humidity

31.7 km/h

Wind N

1020.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.7 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Chepstow?

Temperature & Precipitation

PM2.5 Trend

37h · 1 station

PM2.51.7 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (6 stations within 25 km)

1.7

Median

3.7

Average

1.2

Low

7.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +4.1

What is the 7-day forecast for Chepstow?

10-21

12.7° 4.8°

0.25 mm

10-22

16.9° 7.5°

1.44 mm

10-23

10.1° 7.0°

2.31 mm

10-24

12.6° 6.4°

10-25

12.5° 6.6°

13.31 mm

10-26

9.5° 6.0°

0.31 mm

10-27

16.4° 3.5°

7.69 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Chepstow?

Chepstow A48, United Kingdom

0.3 km PM2.5: 3.1 µg/m³

Chepstow A48, United Kingdom

0.3 km PM2.5: 2.2 µg/m³

Chepstow A48, United Kingdom

0.3 km PM2.5: 1.2 µg/m³

Chepstow A48, United Kingdom

0.3 km PM2.5: 2.2 µg/m³

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North Yate

20.1 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Bristol St Paul's, United Kingdom

20.8 km PM2.5: 6.0 µg/m³

Bristol St Paul's, United Kingdom

20.8 km PM2.5: 7.0 µg/m³

Newport, United Kingdom

21.2 km PM2.5: 2.4 µg/m³

Newport, United Kingdom

21.2 km PM2.5: 3.4 µg/m³

What cities are near Chepstow?

15 Portishead 22 Mangotsfield 16 Yate 26 Bristol 15 Chipping Sodbury 12 Newport 15 Nailsea 14 Cwmbran 21 Kingswood 20 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 2026-10-21T14:04 UTC.