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)
32
Good
Caterham, Surrey
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.59 μg/m³
0
55
155
255
425
605+
34.52 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
3.07 ppb
0
54
101
361
1250
2050+
0.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Caterham, Surrey
Caterham, Surrey
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AQI 22
Good
4.20μg/m³
PM2.5
15.95μg/m³
PM10
22.09ppb
O3
0.92ppb
SO2
4.10ppb
NO2
0.01ppm
CO
AQI 25
Good
3.56μg/m³
PM2.5
9.27μg/m³
PM10
26.59ppb
O3
0.93ppb
SO2
4.08ppb
NO2
0.01ppm
CO
AQI 23
Good
3.74μg/m³
PM2.5
8.70μg/m³
PM10
25.45ppb
O3
0.93ppb
SO2
4.17ppb
NO2
0.01ppm
CO
AQI 33
Good
4.11μg/m³
PM2.5
13.38μg/m³
PM10
36.16ppb
O3
0.90ppb
SO2
6.00ppb
NO2
0.01ppm
CO
AQI 20
Good
3.00μg/m³
PM2.5
7.00μg/m³
PM10
22.25ppb
O3
0.92ppb
SO2
2.93ppb
NO2
0.02ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
17.41μg/m³
PM10
31.56ppb
O3
0.93ppb
SO2
4.45ppb
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 04:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Caterham, Surrey was observed at 05:00:00 on 2025-06-06.
As of now, the AQI in Caterham, Surrey is 32, indicating Good conditions.
Caterham, Surrey air has the highest levels of O3.
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 4.962 μg/m3.
The PM10 concentration in Caterham, Surrey is 14.59 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Caterham, Surrey is 0.007 ppm.
Currently, Caterham, Surrey has a sulfur dioxide (SO2) concentration of 0.943 ppb.
The current ozone (O3) level in Caterham, Surrey at the moment is 34.515 ppm.
Nitrogen dioxide (NO2) level in Caterham, Surrey at the moment is 3.067 ppb.
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