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)
26
Good
Halton, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.42 μg/m³
0
55
155
255
425
605+
26.05 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
28.23 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Halton, UK
Halton, UK
Scroll To Air Quality MapLoading...
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 26
Good
4.02μg/m³
PM2.5
13.18μg/m³
PM10
28.47ppb
O3
0.57ppb
SO2
8.99ppb
NO2
0.31ppm
CO
AQI 28
Good
4.80μg/m³
PM2.5
16.32μg/m³
PM10
30.22ppb
O3
0.57ppb
SO2
9.95ppb
NO2
0.31ppm
CO
AQI 33
Good
5.75μg/m³
PM2.5
18.67μg/m³
PM10
29.13ppb
O3
0.59ppb
SO2
9.04ppb
NO2
0.31ppm
CO
AQI 26
Good
4.00μg/m³
PM2.5
13.89μg/m³
PM10
27.64ppb
O3
0.58ppb
SO2
10.83ppb
NO2
0.31ppm
CO
AQI 28
Good
4.43μg/m³
PM2.5
12.00μg/m³
PM10
30.05ppb
O3
0.57ppb
SO2
6.50ppb
NO2
0.31ppm
CO
AQI 26
Good
3.66μg/m³
PM2.5
9.67μg/m³
PM10
27.75ppb
O3
0.42ppb
SO2
11.37ppb
NO2
0.31ppm
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 05:00:00 on 2026-09-28.
In the last 24 hrs, the best air quality in Halton, UK was observed at 04:00:00 on 2026-09-28.
The current air quality in Halton, UK is 26, categorized as Good based on real-time data.
The most common pollutant in Halton, UK is NO2.
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 3.983 μg/m3.
The current PM10 concentration at Halton, UK is 12.422 μg/m3.
The current carbon monoxide (CO) concentration at Halton, UK is 0.312 ppm.
The current sulfur dioxide (SO2) concentration at Halton, UK is 0.716 ppb.
The current ozone (O3) concentration at Halton, UK is 26.045 ppm.
The current nitrogen dioxide (NO2) concentration at Halton, UK is 28.229 ppb.
All Rights Reserved © Ambee Inc. 2025