Stay updated with real-time air quality in Merseyside, 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)
27
Good
Merseyside, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.62 μg/m³
0
55
155
255
425
605+
22.16 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.89 ppb
0
54
101
361
1250
2050+
0.06 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Merseyside, UK
Merseyside, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 33
Good
5.92μg/m³
PM2.5
12.37μg/m³
PM10
21.55ppb
O3
0.80ppb
SO2
2.19ppb
NO2
0.06ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
13.96μg/m³
PM10
21.45ppb
O3
0.80ppb
SO2
2.64ppb
NO2
0.06ppm
CO
AQI 38
Good
6.79μg/m³
PM2.5
16.36μg/m³
PM10
21.20ppb
O3
0.79ppb
SO2
4.37ppb
NO2
0.06ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
16.09μg/m³
PM10
21.22ppb
O3
0.83ppb
SO2
3.62ppb
NO2
0.06ppm
CO
AQI 33
Good
6.50μg/m³
PM2.5
14.20μg/m³
PM10
21.91ppb
O3
0.73ppb
SO2
4.29ppb
NO2
0.06ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
14.68μg/m³
PM10
24.95ppb
O3
0.87ppb
SO2
2.84ppb
NO2
0.06ppm
CO
The air quality data for Merseyside, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Merseyside, UK are available every hour.
Merseyside, UK experienced its worst air quality at 05:00:00, 2026-08-13.
The best air quality in Merseyside, UK was observed at 04:00:00 on 2026-08-14.
The air quality in Merseyside, UK right now is Good, with an AQI of 27.
In Merseyside, UK, PM2.5 is the most frequently found pollutant.
When air quality in Merseyside, UK is compromised, staying indoors and wearing a mask can reduce health risks.
Merseyside, UK currently has a PM2.5 concentration of 4.69 μg/m3.
Merseyside, UK currently has a PM10 concentration of 14.623 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.063 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.79 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 22.155 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 2.89 ppb.
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