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)
84
Moderate
Heswall, Merseyside
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.07 μg/m³
0
55
155
255
425
605+
64.78 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
11.35 ppb
0
54
101
361
1250
2050+
0.08 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Heswall, Merseyside
Heswall, Merseyside
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AQI 87
Moderate
12.08μg/m³
PM2.5
32.13μg/m³
PM10
65.74ppb
O3
0.67ppb
SO2
7.27ppb
NO2
0.11ppm
CO
AQI 87
Moderate
11.98μg/m³
PM2.5
30.83μg/m³
PM10
65.81ppb
O3
0.67ppb
SO2
6.62ppb
NO2
0.11ppm
CO
AQI 84
Moderate
11.28μg/m³
PM2.5
28.43μg/m³
PM10
64.97ppb
O3
0.65ppb
SO2
12.70ppb
NO2
0.09ppm
CO
AQI 87
Moderate
12.00μg/m³
PM2.5
46.86μg/m³
PM10
65.81ppb
O3
0.67ppb
SO2
7.15ppb
NO2
0.11ppm
CO
AQI 87
Moderate
11.94μg/m³
PM2.5
39.58μg/m³
PM10
65.81ppb
O3
0.67ppb
SO2
7.19ppb
NO2
0.11ppm
CO
AQI 87
Moderate
11.94μg/m³
PM2.5
37.31μg/m³
PM10
65.80ppb
O3
0.67ppb
SO2
7.30ppb
NO2
0.11ppm
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 09:00:00 on 2025-06-20.
In the last 24 hrs, the best air quality in Heswall, Merseyside was observed at 08:00:00 on 2025-06-20.
The current air quality in Heswall, Merseyside is 87, categorized as Moderate based on real-time data.
The most common pollutant in Heswall, Merseyside is O3.
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 12.051 μg/m3.
The current PM10 concentration at Heswall, Merseyside is 34.03 μg/m3.
The current carbon monoxide (CO) concentration at Heswall, Merseyside is 0.111 ppm.
The current sulfur dioxide (SO2) concentration at Heswall, Merseyside is 0.671 ppb.
The current ozone (O3) concentration at Heswall, Merseyside is 65.766 ppm.
The current nitrogen dioxide (NO2) concentration at Heswall, Merseyside is 7.097 ppb.
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