Real-time air quality index in Hersham, Surrey today
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)
21
Good
Hersham, Surrey
Last updated: ... (Local time)
Common air pollutants in Hersham, Surrey
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
3.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
9.63 μg/m³
0
55
155
255
425
605+
Ozone (O3)
22.60 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.90 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
7.30 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hersham, Surrey
Hersham, Surrey
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Hersham, Surrey air quality map: Real-time AQI near you
Air quality in nearby cities
WaltononThames, Surrey
AQI 19
Good
3.35μg/m³
PM2.5
8.28μg/m³
PM10
20.94ppb
O3
0.69ppb
SO2
8.77ppb
NO2
0.01ppm
CO
Weybridge, Surrey
AQI 22
Good
3.37μg/m³
PM2.5
10.56μg/m³
PM10
24.09ppb
O3
0.68ppb
SO2
10.72ppb
NO2
0.01ppm
CO
West Molesey, Surrey
AQI 22
Good
3.19μg/m³
PM2.5
7.76μg/m³
PM10
23.68ppb
O3
0.69ppb
SO2
7.14ppb
NO2
0.01ppm
CO
Cobham, Surrey
AQI 22
Good
3.63μg/m³
PM2.5
10.38μg/m³
PM10
20.43ppb
O3
0.76ppb
SO2
7.05ppb
NO2
0.01ppm
CO
Byfleet, Surrey
AQI 22
Good
3.37μg/m³
PM2.5
10.56μg/m³
PM10
24.09ppb
O3
0.68ppb
SO2
10.72ppb
NO2
0.01ppm
CO
SunburyonThames, Surrey
AQI 19
Good
3.35μg/m³
PM2.5
8.19μg/m³
PM10
20.55ppb
O3
0.70ppb
SO2
8.77ppb
NO2
0.01ppm
CO
How accurate is Surrey, UK air quality data?
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
Frequently asked questions
How frequently is the air quality data for Hersham, Surrey updated?
Air quality data for Hersham, Surrey is updated on an hourly basis.
When did Hersham, Surrey experience the worst air quality in the last 24 hours?
The worst air quality in Hersham, Surrey was recorded at 12:00:00 on 2025-07-21.
When did Hersham, Surrey have its best air quality in the last 24 hours?
The best air quality in Hersham, Surrey was recorded at 05:00:00 on 2025-07-21.
What is the real-time air quality index for Hersham, Surrey?
The real-time air quality index in Hersham, Surrey is 19, currently categorized as Good.
Which pollutant is found most often in Hersham, Surrey?
The most common pollutant in Hersham, Surrey is O3.
What can I do if the air quality in Hersham, Surrey is poor?
If the air quality in Hersham, Surrey is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Hersham, Surrey?
The measured PM2.5 levels in Hersham, Surrey at present are 3.229 μg/m3.
What are the current PM10 levels at Hersham, Surrey?
The current PM10 levels in Hersham, Surrey are 8.765 μg/m3.
What are the current carbon monoxide (CO) levels at Hersham, Surrey?
The current carbon monoxide (CO) level in Hersham, Surrey is 0.007 ppm.
What are the current sulfur dioxide (SO2) levels at Hersham, Surrey?
The current sulfur dioxide (SO2) levels in Hersham, Surrey are 0.705 ppb.
What are the current ozone (O3) levels at Hersham, Surrey?
The current ozone (O3) levels at Hersham, Surrey is 20.016 ppm.
What are the current nitrogen dioxide (NO2) levels at Hersham, Surrey?
The current nitrogen dioxide (NO2) levels at Hersham, Surrey is 7.681 ppb.
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