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)
44
Good
Merseyside, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.10 μg/m³
0
55
155
255
425
605+
23.53 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
11.68 ppb
0
54
101
361
1250
2050+
0.16 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 33
Good
6.34μg/m³
PM2.5
18.56μg/m³
PM10
24.74ppb
O3
0.60ppb
SO2
10.65ppb
NO2
0.15ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
17.84μg/m³
PM10
25.36ppb
O3
0.67ppb
SO2
10.05ppb
NO2
0.16ppm
CO
AQI 29
Good
5.07μg/m³
PM2.5
11.68μg/m³
PM10
30.74ppb
O3
0.46ppb
SO2
7.23ppb
NO2
0.14ppm
CO
AQI 30
Good
5.32μg/m³
PM2.5
12.95μg/m³
PM10
32.23ppb
O3
0.42ppb
SO2
5.99ppb
NO2
0.14ppm
CO
AQI 30
Good
4.69μg/m³
PM2.5
10.12μg/m³
PM10
32.13ppb
O3
0.30ppb
SO2
3.92ppb
NO2
0.13ppm
CO
AQI 30
Good
5.36μg/m³
PM2.5
14.23μg/m³
PM10
31.56ppb
O3
0.35ppb
SO2
4.13ppb
NO2
0.13ppm
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 11:00:00, 2025-12-28.
The best air quality in Merseyside, UK was observed at 07:00:00 on 2025-12-27.
The air quality in Merseyside, UK right now is Good, with an AQI of 44.
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 7.532 μg/m3.
Merseyside, UK currently has a PM10 concentration of 16.099 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.164 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.733 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 23.527 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 11.684 ppb.
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