Stay updated with real-time air quality in Runcorn, 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)
22
Good
Runcorn, Halton
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.67 μg/m³
0
55
155
255
425
605+
20.70 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
19.91 ppb
0
54
101
361
1250
2050+
1.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Runcorn, Halton
Runcorn, Halton
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AQI 22
Good
3.84μg/m³
PM2.5
10.63μg/m³
PM10
20.67ppb
O3
0.63ppb
SO2
22.48ppb
NO2
1.01ppm
CO
AQI 22
Good
4.07μg/m³
PM2.5
9.31μg/m³
PM10
22.64ppb
O3
0.49ppb
SO2
14.17ppb
NO2
1.01ppm
CO
AQI 19
Good
2.70μg/m³
PM2.5
6.80μg/m³
PM10
20.09ppb
O3
0.54ppb
SO2
17.84ppb
NO2
1.01ppm
CO
AQI 19
Good
3.42μg/m³
PM2.5
6.99μg/m³
PM10
20.50ppb
O3
0.65ppb
SO2
12.90ppb
NO2
1.01ppm
CO
AQI 20
Good
0.96μg/m³
PM2.5
4.09μg/m³
PM10
17.97ppb
O3
0.54ppb
SO2
20.66ppb
NO2
1.01ppm
CO
AQI 27
Good
5.02μg/m³
PM2.5
7.42μg/m³
PM10
17.92ppb
O3
0.77ppb
SO2
8.11ppb
NO2
1.01ppm
CO
Air quality and pollutant data for Halton, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Runcorn, Halton is updated every hour for accuracy.
In the past 24 hours, the air quality in Runcorn, Halton was at its worst at 06:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Runcorn, Halton was observed at 09:00:00 on 2026-02-11.
As of now, the AQI in Runcorn, Halton is 22, indicating Good conditions.
Runcorn, Halton air has the highest levels of PM2.5.
Poor air quality in Runcorn, Halton means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Runcorn, Halton are currently 3.731 μg/m3.
The PM10 concentration in Runcorn, Halton is 9.673 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Runcorn, Halton is 1.009 ppm.
Currently, Runcorn, Halton has a sulfur dioxide (SO2) concentration of 0.616 ppb.
The current ozone (O3) level in Runcorn, Halton at the moment is 20.705 ppm.
Nitrogen dioxide (NO2) level in Runcorn, Halton at the moment is 19.914 ppb.
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