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)
22
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)
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
10.53 μg/m³
0
55
155
255
425
605+
Ozone (O3)
18.38 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.87 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
6.37 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
High
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 27
Good
3.06μg/m³
PM2.5
8.80μg/m³
PM10
29.38ppb
O3
0.73ppb
SO2
6.09ppb
NO2
0.01ppm
CO
Horley, Surrey
AQI 29
Good
3.00μg/m³
PM2.5
6.00μg/m³
PM10
30.88ppb
O3
0.69ppb
SO2
5.58ppb
NO2
0.02ppm
CO
Tadworth, Surrey
AQI 30
Good
5.10μg/m³
PM2.5
11.11μg/m³
PM10
31.98ppb
O3
0.65ppb
SO2
6.75ppb
NO2
0.01ppm
CO
Caterham, Surrey
AQI 25
Good
2.85μg/m³
PM2.5
15.71μg/m³
PM10
26.94ppb
O3
0.82ppb
SO2
7.26ppb
NO2
0.01ppm
CO
Dorking, Surrey
AQI 30
Good
4.95μg/m³
PM2.5
11.05μg/m³
PM10
31.68ppb
O3
0.64ppb
SO2
6.72ppb
NO2
0.01ppm
CO
Ashtead, Surrey
AQI 30
Good
3.12μg/m³
PM2.5
14.50μg/m³
PM10
31.87ppb
O3
0.70ppb
SO2
6.50ppb
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 08:00:00 on 2025-07-21.
When did Redhill, Surrey have its best air quality in the last 24 hours?
The best air quality in Redhill, Surrey was recorded at 04:00:00 on 2025-07-22.
What is the real-time air quality index for Redhill, Surrey?
The real-time air quality index in Redhill, Surrey is 27, currently categorized as Good.
Which pollutant is found most often in Redhill, Surrey?
The most common pollutant in Redhill, Surrey is O3.
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 2.841 μg/m3.
What are the current PM10 levels at Redhill, Surrey?
The current PM10 levels in Redhill, Surrey are 9.038 μg/m3.
What are the current carbon monoxide (CO) levels at Redhill, Surrey?
The current carbon monoxide (CO) level in Redhill, Surrey is 0.014 ppm.
What are the current sulfur dioxide (SO2) levels at Redhill, Surrey?
The current sulfur dioxide (SO2) levels in Redhill, Surrey are 0.738 ppb.
What are the current ozone (O3) levels at Redhill, Surrey?
The current ozone (O3) levels at Redhill, Surrey is 29.337 ppm.
What are the current nitrogen dioxide (NO2) levels at Redhill, Surrey?
The current nitrogen dioxide (NO2) levels at Redhill, Surrey is 6.057 ppb.
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