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)
20
Good
Merseyside, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.40 μg/m³
0
55
155
255
425
605+
21.80 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
8.98 ppb
0
54
101
361
1250
2050+
0.18 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 20
Good
2.46μg/m³
PM2.5
3.72μg/m³
PM10
21.52ppb
O3
0.52ppb
SO2
12.15ppb
NO2
0.17ppm
CO
AQI 20
Good
3.40μg/m³
PM2.5
6.99μg/m³
PM10
22.33ppb
O3
0.61ppb
SO2
7.89ppb
NO2
0.17ppm
CO
AQI 19
Good
2.98μg/m³
PM2.5
4.98μg/m³
PM10
20.92ppb
O3
0.48ppb
SO2
9.90ppb
NO2
0.16ppm
CO
AQI 20
Good
3.45μg/m³
PM2.5
4.75μg/m³
PM10
22.21ppb
O3
0.52ppb
SO2
7.52ppb
NO2
0.16ppm
CO
AQI 20
Good
2.75μg/m³
PM2.5
4.68μg/m³
PM10
21.88ppb
O3
0.54ppb
SO2
8.01ppb
NO2
0.18ppm
CO
AQI 23
Good
3.36μg/m³
PM2.5
6.38μg/m³
PM10
24.69ppb
O3
0.57ppb
SO2
7.45ppb
NO2
0.16ppm
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 01:00:00, 2026-01-21.
The best air quality in Merseyside, UK was observed at 09:00:00 on 2026-01-22.
The air quality in Merseyside, UK right now is Good, with an AQI of 20.
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 3.153 μg/m3.
Merseyside, UK currently has a PM10 concentration of 8.396 μg/m3.
The current carbon monoxide (CO) level in Merseyside, UK is 0.182 ppm.
The current sulfur dioxide (SO2) concentration in Merseyside, UK is 0.641 ppb.
Merseyside, UK currently has an ozone (O3) concentration of 21.799 ppm.
The current level of nitrogen dioxide (NO2) in Merseyside, UK is 8.976 ppb.
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