Real-time air quality index in Redhill, Surrey today
Stay updated with real-time air quality in Redhill, 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
Redhill, Surrey
Last updated: ... (Local time)
Common air pollutants in Redhill, Surrey
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
6.29 μg/m³
0
55
155
255
425
605+
Ozone (O3)
22.67 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.38 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
2.67 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Redhill, Surrey
Redhill, Surrey
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Redhill, Surrey air quality map: Real-time AQI near you
Air quality in nearby cities
Reigate, Surrey
AQI 22
Good
4.40μg/m³
PM2.5
10.66μg/m³
PM10
18.12ppb
O3
0.35ppb
SO2
7.77ppb
NO2
0.01ppm
CO
Horley, Surrey
AQI 22
Good
4.00μg/m³
PM2.5
9.00μg/m³
PM10
18.10ppb
O3
0.35ppb
SO2
7.82ppb
NO2
0.02ppm
CO
Tadworth, Surrey
AQI 27
Good
5.25μg/m³
PM2.5
13.80μg/m³
PM10
18.16ppb
O3
0.35ppb
SO2
2.91ppb
NO2
0.01ppm
CO
Caterham, Surrey
AQI 33
Good
6.17μg/m³
PM2.5
15.37μg/m³
PM10
18.39ppb
O3
0.35ppb
SO2
6.00ppb
NO2
0.01ppm
CO
Dorking, Surrey
AQI 27
Good
5.33μg/m³
PM2.5
9.16μg/m³
PM10
21.42ppb
O3
0.35ppb
SO2
2.71ppb
NO2
0.01ppm
CO
Ashtead, Surrey
AQI 22
Good
4.33μg/m³
PM2.5
12.70μg/m³
PM10
17.90ppb
O3
0.35ppb
SO2
6.66ppb
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 Redhill, Surrey updated?
Air quality data for Redhill, Surrey is updated on an hourly basis.
When did Redhill, Surrey experience the worst air quality in the last 24 hours?
The worst air quality in Redhill, Surrey was recorded at 10:00:00 on 2025-09-16.
When did Redhill, Surrey have its best air quality in the last 24 hours?
The best air quality in Redhill, Surrey was recorded at 06:00:00 on 2025-09-17.
What is the real-time air quality index for Redhill, Surrey?
The real-time air quality index in Redhill, Surrey is 22, currently categorized as Good.
Which pollutant is found most often in Redhill, Surrey?
The most common pollutant in Redhill, Surrey is PM2.5.
What can I do if the air quality in Redhill, Surrey is poor?
If the air quality in Redhill, Surrey is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Redhill, Surrey?
The measured PM2.5 levels in Redhill, Surrey at present are 4.478 μg/m3.
What are the current PM10 levels at Redhill, Surrey?
The current PM10 levels in Redhill, Surrey are 11.252 μg/m3.
What are the current carbon monoxide (CO) levels at Redhill, Surrey?
The current carbon monoxide (CO) level in Redhill, Surrey is 0.013 ppm.
What are the current sulfur dioxide (SO2) levels at Redhill, Surrey?
The current sulfur dioxide (SO2) levels in Redhill, Surrey are 0.35 ppb.
What are the current ozone (O3) levels at Redhill, Surrey?
The current ozone (O3) levels at Redhill, Surrey is 18.188 ppm.
What are the current nitrogen dioxide (NO2) levels at Redhill, Surrey?
The current nitrogen dioxide (NO2) levels at Redhill, Surrey is 7.582 ppb.
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