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)
52
Moderate
Heswall, Merseyside
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.06 μg/m³
0
55
155
255
425
605+
21.64 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
5.53 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Heswall, Merseyside
Heswall, Merseyside
Scroll To Air Quality MapLoading...
AQI 60
Moderate
13.97μg/m³
PM2.5
36.53μg/m³
PM10
19.72ppb
O3
0.48ppb
SO2
8.85ppb
NO2
0.07ppm
CO
AQI 60
Moderate
14.17μg/m³
PM2.5
34.94μg/m³
PM10
19.47ppb
O3
0.49ppb
SO2
8.36ppb
NO2
0.07ppm
CO
AQI 56
Moderate
11.62μg/m³
PM2.5
22.29μg/m³
PM10
17.75ppb
O3
0.48ppb
SO2
8.86ppb
NO2
0.08ppm
CO
AQI 62
Moderate
14.77μg/m³
PM2.5
57.12μg/m³
PM10
19.40ppb
O3
0.50ppb
SO2
11.02ppb
NO2
0.08ppm
CO
AQI 60
Moderate
14.36μg/m³
PM2.5
47.07μg/m³
PM10
19.45ppb
O3
0.49ppb
SO2
9.94ppb
NO2
0.08ppm
CO
AQI 60
Moderate
14.14μg/m³
PM2.5
43.89μg/m³
PM10
19.55ppb
O3
0.49ppb
SO2
9.64ppb
NO2
0.07ppm
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 07:00:00 on 2025-11-06.
In the last 24 hrs, the best air quality in Heswall, Merseyside was observed at 12:00:00 on 2025-11-07.
The current air quality in Heswall, Merseyside is 60, categorized as Moderate 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 14.19 μg/m3.
The current PM10 concentration at Heswall, Merseyside is 39.13 μg/m3.
The current carbon monoxide (CO) concentration at Heswall, Merseyside is 0.074 ppm.
The current sulfur dioxide (SO2) concentration at Heswall, Merseyside is 0.494 ppb.
The current ozone (O3) concentration at Heswall, Merseyside is 20.125 ppm.
The current nitrogen dioxide (NO2) concentration at Heswall, Merseyside is 10.991 ppb.
All Rights Reserved © Ambee Inc. 2025