What is the air quality in St Helens today?

The current Air Quality Index (AQI) in St Helens is 32 (Good). PM2.5 concentration is 7.85 µg/m³.

What is the temperature in St Helens right now?

The current temperature in St Helens is 9.5°C (feels like 6.7°C). Humidity is 82.4% and wind speed is 20.7 km/h.

Is it safe to go outside in St Helens?

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

Air Quality in St Helens, United Kingdom

Cloudy

9.5°C · 82.4% humidity

9.5°

Feels 6.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

8 stations

Nearby Monitoring Stations

AQI Forecast

25 9pm

32 12am

28 3am

25 6am

24 9am

25 12pm

25 3pm

25 6pm

Air Quality Index Trend

49h · 1 stn

View full history →

St Helens'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.

82.4%

Humidity

20.7 km/h

Wind SSW

1018.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.85 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for St Helens?

Temperature & Precipitation

PM2.5 Trend

49h · 1 station

PM2.57.85 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (8 stations within 25 km)

7.85

Median

9.06

Average

5.3

Low

30.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -2.0

What is the 7-day forecast for St Helens?

06-08

14.7° 11.0°

0.69 mm

06-09

20.8° 9.5°

0.38 mm

06-10

15.2° 13.0°

1.88 mm

06-11

22.2° 14.1°

2.5 mm

06-12

16.5° 10.7°

06-13

20.3° 11.6°

06-14

20.6° 10.6°

1.5 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near St Helens?

Warrington, United Kingdom

10.3 km PM2.5: 20.2 µg/m³

Warrington, United Kingdom

10.3 km PM2.5: 5.0 µg/m³

Wigan Centre, United Kingdom

12.7 km PM2.5: 31.6 µg/m³

Wigan Centre, United Kingdom

12.7 km PM2.5: 6.2 µg/m³

Liverpool Speke, United Kingdom

13.7 km PM2.5: 0.2 µg/m³

Liverpool Speke, United Kingdom

13.7 km PM2.5: 5.0 µg/m³

Glazebury, United Kingdom

17.3 km PM2.5: 20.2 µg/m³

122

Glazebury, United Kingdom

17.3 km PM2.5: 44.0 µg/m³

Wirral Tranmere, United Kingdom

21.0 km PM2.5: 1.2 µg/m³

Wirral Tranmere, United Kingdom

21.0 km PM2.5: 5.0 µg/m³

What cities are near St Helens?

35 Haydock 30 Prescot 40 Ashton in Makerfield 29 Huyton 44 Newton-le-Willows 25 Great Sankey 50 Golborne 29 Widnes 27 Belle Vale 25 Kirkby

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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 2026-06-08T23:24 UTC.