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St Helens, Merseyside live air quality index now

Stay updated with real-time air quality in St Helens, Merseyside featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

22

Good

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St Helens, Merseyside

Last updated: ... (Local time)

Major air pollutants in St Helens, Merseyside

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

4.43 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

18.99 μg/m³

0

55

155

255

425

605+

Ozone (O3)

18.03 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.62 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

5.80 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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St Helens, Merseyside

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How accurate is Merseyside, UK air quality data?

Air quality data and pollutant measurements for Merseyside, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


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