Stay updated with real-time air quality in Halton, UK 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)
28
Good
Halton, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.28 μg/m³
0
55
155
255
425
605+
29.50 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
7.44 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Halton, UK
Halton, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 31
Good
3.37μg/m³
PM2.5
12.09μg/m³
PM10
32.65ppb
O3
0.43ppb
SO2
3.90ppb
NO2
0.17ppm
CO
AQI 32
Good
4.24μg/m³
PM2.5
14.27μg/m³
PM10
34.53ppb
O3
0.43ppb
SO2
10.56ppb
NO2
0.17ppm
CO
AQI 31
Good
4.50μg/m³
PM2.5
14.26μg/m³
PM10
34.47ppb
O3
0.43ppb
SO2
4.04ppb
NO2
0.17ppm
CO
AQI 31
Good
3.21μg/m³
PM2.5
12.28μg/m³
PM10
32.70ppb
O3
0.42ppb
SO2
5.66ppb
NO2
0.17ppm
CO
AQI 31
Good
4.44μg/m³
PM2.5
11.17μg/m³
PM10
32.98ppb
O3
0.43ppb
SO2
6.62ppb
NO2
0.17ppm
CO
AQI 29
Good
3.41μg/m³
PM2.5
9.51μg/m³
PM10
31.01ppb
O3
0.50ppb
SO2
2.31ppb
NO2
0.17ppm
CO
Air quality data and pollutant measurements for Halton, 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.
Source: Ambee Data Sources
The air quality for Halton, UK is updated every hour.
The worst air quality in Halton, UK in the last 24 hours was observed at 11:00:00 on 2026-06-28.
In the last 24 hrs, the best air quality in Halton, UK was observed at 08:00:00 on 2026-06-29.
The current air quality in Halton, UK is 28, categorized as Good based on real-time data.
The most common pollutant in Halton, UK is O3.
If the air quality in Halton, UK is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Halton, UK is 3.857 μg/m3.
The current PM10 concentration at Halton, UK is 12.284 μg/m3.
The current carbon monoxide (CO) concentration at Halton, UK is 0.173 ppm.
The current sulfur dioxide (SO2) concentration at Halton, UK is 0.405 ppb.
The current ozone (O3) concentration at Halton, UK is 29.505 ppm.
The current nitrogen dioxide (NO2) concentration at Halton, UK is 7.436 ppb.
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