Stay updated with real-time air quality in Caterham, 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)
54
Moderate
Caterham, Surrey
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.88 μg/m³
0
55
155
255
425
605+
44.72 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
9.56 ppb
0
54
101
361
1250
2050+
0.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Caterham, Surrey
Caterham, Surrey
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.27μg/m³
PM2.5
28.38μg/m³
PM10
44.85ppb
O3
0.77ppb
SO2
10.80ppb
NO2
0.02ppm
CO
AQI 52
Moderate
9.83μg/m³
PM2.5
23.17μg/m³
PM10
42.70ppb
O3
0.77ppb
SO2
7.88ppb
NO2
0.02ppm
CO
AQI 52
Moderate
10.37μg/m³
PM2.5
20.91μg/m³
PM10
42.19ppb
O3
0.77ppb
SO2
7.88ppb
NO2
0.02ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
32.60μg/m³
PM10
48.03ppb
O3
0.70ppb
SO2
6.96ppb
NO2
0.01ppm
CO
AQI 52
Moderate
10.00μg/m³
PM2.5
15.00μg/m³
PM10
40.69ppb
O3
0.77ppb
SO2
3.78ppb
NO2
0.02ppm
CO
AQI 58
Moderate
12.58μg/m³
PM2.5
31.93μg/m³
PM10
46.28ppb
O3
0.76ppb
SO2
10.92ppb
NO2
0.01ppm
CO
Air quality and pollutant data for Surrey, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Caterham, Surrey is updated every hour for accuracy.
In the past 24 hours, the air quality in Caterham, Surrey was at its worst at 09:00:00 on 2025-06-12.
In the last 24 hours, the best air quality in Caterham, Surrey was observed at 11:00:00 on 2025-06-11.
As of now, the AQI in Caterham, Surrey is 54, indicating Moderate conditions.
Caterham, Surrey air has the highest levels of PM2.5.
Poor air quality in Caterham, Surrey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Caterham, Surrey are currently 10.629 μg/m3.
The PM10 concentration in Caterham, Surrey is 38.877 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Caterham, Surrey is 0.01 ppm.
Currently, Caterham, Surrey has a sulfur dioxide (SO2) concentration of 0.792 ppb.
The current ozone (O3) level in Caterham, Surrey at the moment is 44.724 ppm.
Nitrogen dioxide (NO2) level in Caterham, Surrey at the moment is 9.561 ppb.
All Rights Reserved © Ambee Inc. 2025