Stay updated with real-time air quality in Heswall, Merseyside 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
Heswall, Merseyside
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.55 μg/m³
0
55
155
255
425
605+
23.46 ppb
0
55
71
86
201
201+
0.95 ppb
0
36
76
186
605
1005+
3.38 ppb
0
54
101
361
1250
2050+
0.08 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Heswall, Merseyside
Heswall, Merseyside
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AQI 38
Good
6.57μg/m³
PM2.5
16.98μg/m³
PM10
23.56ppb
O3
1.16ppb
SO2
3.28ppb
NO2
0.08ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
16.09μg/m³
PM10
23.93ppb
O3
1.16ppb
SO2
2.90ppb
NO2
0.08ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
10.44μg/m³
PM10
19.59ppb
O3
1.15ppb
SO2
2.94ppb
NO2
0.08ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
26.39μg/m³
PM10
23.97ppb
O3
1.16ppb
SO2
3.82ppb
NO2
0.08ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
21.75μg/m³
PM10
23.88ppb
O3
1.16ppb
SO2
3.48ppb
NO2
0.08ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
20.38μg/m³
PM10
23.84ppb
O3
1.16ppb
SO2
3.44ppb
NO2
0.08ppm
CO
Air quality data and pollutant measurements for Merseyside, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Heswall, Merseyside is updated every hour.
The worst air quality in Heswall, Merseyside in the last 24 hours was observed at 08:00:00 on 2025-07-23.
In the last 24 hrs, the best air quality in Heswall, Merseyside was observed at 02:00:00 on 2025-07-22.
The current air quality in Heswall, Merseyside is 38, categorized as Good based on real-time data.
The most common pollutant in Heswall, Merseyside is PM2.5.
If the air quality in Heswall, Merseyside is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Heswall, Merseyside is 6.552 μg/m3.
The current PM10 concentration at Heswall, Merseyside is 18.166 μg/m3.
The current carbon monoxide (CO) concentration at Heswall, Merseyside is 0.078 ppm.
The current sulfur dioxide (SO2) concentration at Heswall, Merseyside is 1.156 ppb.
The current ozone (O3) concentration at Heswall, Merseyside is 23.724 ppm.
The current nitrogen dioxide (NO2) concentration at Heswall, Merseyside is 3.253 ppb.
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