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)
2.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
7.39 μg/m³
0
55
155
255
425
605+
Ozone (O3)
23.42 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.59 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
7.09 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.07 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Halton, UK
Halton, UK
Scroll To Air Quality Map
Track live Halton, UK air quality forecast and history
Halton Loading...
Halton, UK air quality map: Track AQI near you
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 21
Good
3.18μg/m³
PM2.5
10.54μg/m³
PM10
22.81ppb
O3
0.70ppb
SO2
5.20ppb
NO2
0.02ppm
CO
Central Bedfordshire, UK
AQI 22
Good
3.78μg/m³
PM2.5
13.79μg/m³
PM10
22.00ppb
O3
0.71ppb
SO2
9.67ppb
NO2
0.02ppm
CO
Milton Keynes, UK
AQI 22
Good
3.88μg/m³
PM2.5
14.34μg/m³
PM10
24.04ppb
O3
0.71ppb
SO2
6.29ppb
NO2
0.03ppm
CO
Windsor and Maidenhead, UK
AQI 20
Good
3.13μg/m³
PM2.5
10.46μg/m³
PM10
22.26ppb
O3
0.70ppb
SO2
5.48ppb
NO2
0.02ppm
CO
Hertfordshire, UK
AQI 22
Good
3.49μg/m³
PM2.5
11.55μg/m³
PM10
24.42ppb
O3
0.74ppb
SO2
7.40ppb
NO2
0.01ppm
CO
Oxfordshire, UK
AQI 19
Good
3.10μg/m³
PM2.5
7.45μg/m³
PM10
20.58ppb
O3
0.47ppb
SO2
4.00ppb
NO2
0.04ppm
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 07:00:00 on 2025-07-20.
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 09:00:00 on 2025-07-21.
What is the current air quality in Halton, UK?
The current air quality in Halton, UK is 27, 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 PM2.5.
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 4.847 μg/m3.
What is the current concentration of PM10 in Halton, UK?
The current PM10 concentration at Halton, UK is 10.976 μg/m3.
What is the current concentration of carbon monoxide (CO) in Halton, UK?
The current carbon monoxide (CO) concentration at Halton, UK is 0.087 ppm.
What is the current concentration of sulfur dioxide (SO2) in Halton, UK?
The current sulfur dioxide (SO2) concentration at Halton, UK is 0.811 ppb.
What is the current concentration of ozone (O3) in Halton, UK?
The current ozone (O3) concentration at Halton, UK is 27.739 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Halton, UK?
The current nitrogen dioxide (NO2) concentration at Halton, UK is 9.44 ppb.
All Rights Reserved © Ambee Inc. 2025