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
5.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.47 μg/m³
0
55
155
255
425
605+
24.92 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
25.79 ppb
0
54
101
361
1250
2050+
0.81 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 52
Moderate
10.19μg/m³
PM2.5
15.94μg/m³
PM10
24.86ppb
O3
0.82ppb
SO2
14.99ppb
NO2
0.81ppm
CO
AQI 49
Good
8.86μg/m³
PM2.5
17.13μg/m³
PM10
23.03ppb
O3
0.80ppb
SO2
25.10ppb
NO2
0.81ppm
CO
AQI 52
Moderate
9.91μg/m³
PM2.5
20.85μg/m³
PM10
22.76ppb
O3
0.84ppb
SO2
23.61ppb
NO2
0.81ppm
CO
AQI 54
Moderate
10.79μg/m³
PM2.5
17.49μg/m³
PM10
19.66ppb
O3
0.83ppb
SO2
26.50ppb
NO2
0.81ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
16.79μg/m³
PM10
24.37ppb
O3
0.83ppb
SO2
22.15ppb
NO2
0.81ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
17.45μg/m³
PM10
25.98ppb
O3
0.81ppb
SO2
26.52ppb
NO2
0.80ppm
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, 2026-11-11.
The best air quality in Merseyside, UK was observed at 02:00:00 on 2026-11-12.
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 5.446 μg/m3.
Merseyside, UK currently has a PM10 concentration of 18.468 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.805 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.795 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 24.92 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 25.787 ppb.
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