Halton, UK live air quality index now
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)
21
Good
Halton, UK
Last updated: ... (Local time)
Major air pollutants in Halton, UK
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
3.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
11.02 μg/m³
0
55
155
255
425
605+
Ozone (O3)
22.70 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.71 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.18 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Halton, UK
Halton, UK
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Air quality in cities of Halton, UK
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
Air quality in nearby states
Buckinghamshire, UK
AQI 24
Good
2.71μg/m³
PM2.5
9.79μg/m³
PM10
25.66ppb
O3
0.71ppb
SO2
6.59ppb
NO2
0.12ppm
CO
Central Bedfordshire, UK
AQI 24
Good
3.37μg/m³
PM2.5
9.64μg/m³
PM10
25.77ppb
O3
0.81ppb
SO2
8.96ppb
NO2
0.12ppm
CO
Milton Keynes, UK
AQI 23
Good
3.83μg/m³
PM2.5
8.21μg/m³
PM10
25.23ppb
O3
0.71ppb
SO2
6.62ppb
NO2
0.12ppm
CO
Windsor and Maidenhead, UK
AQI 24
Good
2.43μg/m³
PM2.5
13.26μg/m³
PM10
25.75ppb
O3
0.71ppb
SO2
7.67ppb
NO2
0.12ppm
CO
Hertfordshire, UK
AQI 24
Good
3.40μg/m³
PM2.5
8.49μg/m³
PM10
25.80ppb
O3
0.80ppb
SO2
6.73ppb
NO2
0.12ppm
CO
Oxfordshire, UK
AQI 24
Good
2.47μg/m³
PM2.5
6.71μg/m³
PM10
26.30ppb
O3
0.66ppb
SO2
4.30ppb
NO2
0.12ppm
CO
How accurate is Halton, UK air quality data?
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
Frequently asked questions
How often is the air quality data for Halton, UK updated?
The air quality for Halton, UK is updated every hour.
When was the worst air quality at Halton, UK in the last 24 hrs?
The worst air quality in Halton, UK in the last 24 hours was observed at 01:00:00 on 2026-05-14.
When was the best air quality at Halton, UK in the last 24 hrs?
In the last 24 hrs, the best air quality in Halton, UK was observed at 08:00:00 on 2026-05-14.
What is the current air quality in Halton, UK?
The current air quality in Halton, UK is 21, categorized as Good based on real-time data.
What pollutant is the most common in Halton, UK?
The most common pollutant in Halton, UK is O3.
What should I do if the air quality in Halton, UK is poor?
If the air quality in Halton, UK is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Halton, UK?
The current PM2.5 concentration at Halton, UK is 3.421 μg/m3.
What is the current concentration of PM10 in Halton, UK?
The current PM10 concentration at Halton, UK is 11.018 μg/m3.
What is the current concentration of carbon monoxide (CO) in Halton, UK?
The current carbon monoxide (CO) concentration at Halton, UK is 0.118 ppm.
What is the current concentration of sulfur dioxide (SO2) in Halton, UK?
The current sulfur dioxide (SO2) concentration at Halton, UK is 0.714 ppb.
What is the current concentration of ozone (O3) in Halton, UK?
The current ozone (O3) concentration at Halton, UK is 22.703 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Halton, UK?
The current nitrogen dioxide (NO2) concentration at Halton, UK is 4.178 ppb.
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