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
3.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.78 μg/m³
0
55
155
255
425
605+
29.25 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.17 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 28
Good
3.43μg/m³
PM2.5
8.23μg/m³
PM10
29.76ppb
O3
0.44ppb
SO2
4.57ppb
NO2
0.12ppm
CO
AQI 26
Good
3.67μg/m³
PM2.5
10.89μg/m³
PM10
28.27ppb
O3
0.46ppb
SO2
2.96ppb
NO2
0.12ppm
CO
AQI 27
Good
3.85μg/m³
PM2.5
10.48μg/m³
PM10
29.49ppb
O3
0.44ppb
SO2
5.16ppb
NO2
0.12ppm
CO
AQI 27
Good
3.49μg/m³
PM2.5
9.28μg/m³
PM10
28.56ppb
O3
0.48ppb
SO2
3.96ppb
NO2
0.12ppm
CO
AQI 26
Good
4.02μg/m³
PM2.5
10.61μg/m³
PM10
28.24ppb
O3
0.44ppb
SO2
3.60ppb
NO2
0.12ppm
CO
AQI 28
Good
3.67μg/m³
PM2.5
8.87μg/m³
PM10
29.55ppb
O3
0.53ppb
SO2
3.25ppb
NO2
0.12ppm
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 09:00:00, 2026-06-28.
The best air quality in Merseyside, UK was observed at 12:00:00 on 2026-06-29.
The air quality in Merseyside, UK right now is Good, with an AQI of 27.
In Merseyside, UK, O3 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 3.883 μg/m3.
Merseyside, UK currently has a PM10 concentration of 13.099 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.124 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.437 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 28.582 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 3.778 ppb.
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