Real-time air quality index in Widnes, Halton today
Stay updated with real-time air quality in Widnes, Halton 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)
25
Good
Widnes, Halton
Last updated: ... (Local time)
Common air pollutants in Widnes, Halton
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
6.28 μg/m³
0
55
155
255
425
605+
Ozone (O3)
27.05 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.63 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.10 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
Widnes, Halton
Widnes, Halton
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Widnes, Halton air quality map: Real-time AQI near you
Air quality in nearby cities
Runcorn, Halton
AQI 16
Good
3.10μg/m³
PM2.5
9.55μg/m³
PM10
17.15ppb
O3
0.50ppb
SO2
10.09ppb
NO2
0.22ppm
CO
Huyton With Roby, Merseyside
AQI 27
Good
5.00μg/m³
PM2.5
9.70μg/m³
PM10
17.07ppb
O3
0.44ppb
SO2
6.72ppb
NO2
0.22ppm
CO
Prescot, Merseyside
AQI 16
Good
3.48μg/m³
PM2.5
9.68μg/m³
PM10
16.55ppb
O3
0.47ppb
SO2
8.64ppb
NO2
0.22ppm
CO
St Helens, Merseyside
AQI 15
Good
2.13μg/m³
PM2.5
9.99μg/m³
PM10
16.09ppb
O3
0.47ppb
SO2
8.92ppb
NO2
0.22ppm
CO
NewtonleWillows, Merseyside
AQI 16
Good
3.17μg/m³
PM2.5
9.32μg/m³
PM10
15.69ppb
O3
0.52ppb
SO2
10.12ppb
NO2
0.22ppm
CO
Haydock, Merseyside
AQI 16
Good
3.20μg/m³
PM2.5
9.79μg/m³
PM10
15.85ppb
O3
0.49ppb
SO2
9.42ppb
NO2
0.22ppm
CO
How accurate is Halton, UK air quality data?
Air quality measurements for Halton, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Widnes, Halton updated?
Air quality data for Widnes, Halton is updated on an hourly basis.
When did Widnes, Halton experience the worst air quality in the last 24 hours?
The worst air quality in Widnes, Halton was recorded at 08:00:00 on 2025-07-17.
When did Widnes, Halton have its best air quality in the last 24 hours?
The best air quality in Widnes, Halton was recorded at 01:00:00 on 2025-07-18.
What is the real-time air quality index for Widnes, Halton?
The real-time air quality index in Widnes, Halton is 17, currently categorized as Good.
Which pollutant is found most often in Widnes, Halton?
The most common pollutant in Widnes, Halton is O3.
What can I do if the air quality in Widnes, Halton is poor?
If the air quality in Widnes, Halton is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Widnes, Halton?
The measured PM2.5 levels in Widnes, Halton at present are 2.953 μg/m3.
What are the current PM10 levels at Widnes, Halton?
The current PM10 levels in Widnes, Halton are 9.75 μg/m3.
What are the current carbon monoxide (CO) levels at Widnes, Halton?
The current carbon monoxide (CO) level in Widnes, Halton is 0.221 ppm.
What are the current sulfur dioxide (SO2) levels at Widnes, Halton?
The current sulfur dioxide (SO2) levels in Widnes, Halton are 0.502 ppb.
What are the current ozone (O3) levels at Widnes, Halton?
The current ozone (O3) levels at Widnes, Halton is 17.523 ppm.
What are the current nitrogen dioxide (NO2) levels at Widnes, Halton?
The current nitrogen dioxide (NO2) levels at Widnes, Halton is 10.522 ppb.
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