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
4.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.58 μg/m³
0
55
155
255
425
605+
27.85 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
19.22 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Merseyside, UK
Merseyside, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 24
Good
4.35μg/m³
PM2.5
9.33μg/m³
PM10
25.77ppb
O3
0.88ppb
SO2
16.39ppb
NO2
0.31ppm
CO
AQI 27
Good
4.76μg/m³
PM2.5
11.73μg/m³
PM10
28.83ppb
O3
0.68ppb
SO2
14.66ppb
NO2
0.31ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
11.83μg/m³
PM10
25.83ppb
O3
0.88ppb
SO2
19.14ppb
NO2
0.31ppm
CO
AQI 27
Good
4.68μg/m³
PM2.5
9.65μg/m³
PM10
28.04ppb
O3
0.70ppb
SO2
14.06ppb
NO2
0.31ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
11.31μg/m³
PM10
28.12ppb
O3
0.78ppb
SO2
14.59ppb
NO2
0.31ppm
CO
AQI 26
Good
4.49μg/m³
PM2.5
10.79μg/m³
PM10
28.49ppb
O3
0.59ppb
SO2
15.71ppb
NO2
0.31ppm
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 12:00:00, 2026-09-28.
The best air quality in Merseyside, UK was observed at 09:00:00 on 2026-09-28.
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 4.755 μg/m3.
Merseyside, UK currently has a PM10 concentration of 14.583 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.312 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.699 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 27.848 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 19.223 ppb.
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