Stay updated with real-time air quality in Hersham, Surrey 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)
38
Good
Hersham, Surrey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.59 μg/m³
0
55
155
255
425
605+
21.99 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
14.57 ppb
0
54
101
361
1250
2050+
0.72 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hersham, Surrey
Hersham, Surrey
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AQI 33
Good
6.41μg/m³
PM2.5
12.77μg/m³
PM10
23.39ppb
O3
0.69ppb
SO2
14.79ppb
NO2
0.76ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
23.49μg/m³
PM10
15.96ppb
O3
0.67ppb
SO2
11.86ppb
NO2
0.76ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
12.04μg/m³
PM10
23.00ppb
O3
0.69ppb
SO2
16.27ppb
NO2
0.76ppm
CO
AQI 38
Good
6.95μg/m³
PM2.5
12.08μg/m³
PM10
23.02ppb
O3
0.68ppb
SO2
14.34ppb
NO2
0.76ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
23.49μg/m³
PM10
15.96ppb
O3
0.67ppb
SO2
11.86ppb
NO2
0.76ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
12.67μg/m³
PM10
23.42ppb
O3
0.69ppb
SO2
14.70ppb
NO2
0.76ppm
CO
Air quality measurements for Surrey, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Hersham, Surrey is updated on an hourly basis.
The worst air quality in Hersham, Surrey was recorded at 01:00:00 on 2026-11-12.
The best air quality in Hersham, Surrey was recorded at 06:00:00 on 2026-11-12.
The real-time air quality index in Hersham, Surrey is 38, currently categorized as Good.
The most common pollutant in Hersham, Surrey is PM2.5.
If the air quality in Hersham, Surrey is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hersham, Surrey at present are 6.534 μg/m3.
The current PM10 levels in Hersham, Surrey are 11.585 μg/m3.
The current carbon monoxide (CO) level in Hersham, Surrey is 0.721 ppm.
The current sulfur dioxide (SO2) levels in Hersham, Surrey are 0.693 ppb.
The current ozone (O3) levels at Hersham, Surrey is 21.994 ppm.
The current nitrogen dioxide (NO2) levels at Hersham, Surrey is 14.568 ppb.
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