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)
22
Good
Merseyside, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.76 μg/m³
0
55
155
255
425
605+
20.67 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
16.71 ppb
0
54
101
361
1250
2050+
0.15 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 22
Good
4.28μg/m³
PM2.5
6.08μg/m³
PM10
22.43ppb
O3
0.72ppb
SO2
9.52ppb
NO2
0.15ppm
CO
AQI 22
Good
4.41μg/m³
PM2.5
10.38μg/m³
PM10
23.94ppb
O3
0.72ppb
SO2
17.95ppb
NO2
0.15ppm
CO
AQI 27
Good
4.66μg/m³
PM2.5
7.74μg/m³
PM10
16.40ppb
O3
0.72ppb
SO2
18.50ppb
NO2
0.14ppm
CO
AQI 22
Good
3.98μg/m³
PM2.5
7.34μg/m³
PM10
22.19ppb
O3
0.69ppb
SO2
18.53ppb
NO2
0.14ppm
CO
AQI 22
Good
3.58μg/m³
PM2.5
8.82μg/m³
PM10
6.54ppb
O3
0.74ppb
SO2
17.52ppb
NO2
0.16ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
9.71μg/m³
PM10
27.07ppb
O3
0.69ppb
SO2
11.32ppb
NO2
0.14ppm
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, 2026-02-11.
The best air quality in Merseyside, UK was observed at 02:00:00 on 2026-02-11.
The air quality in Merseyside, UK right now is Good, with an AQI of 22.
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 4.293 μg/m3.
Merseyside, UK currently has a PM10 concentration of 11.763 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.152 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.763 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 20.668 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 16.71 ppb.
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