Stay updated with real-time air quality in County Durham, UK 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)
19
Good
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.87 μg/m³
0
55
155
255
425
605+
19.80 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
1.44 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
County Durham, UK
County Durham, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 24
Good
1.89μg/m³
PM2.5
4.70μg/m³
PM10
26.08ppb
O3
0.47ppb
SO2
9.29ppb
NO2
0.12ppm
CO
AQI 25
Good
1.81μg/m³
PM2.5
5.83μg/m³
PM10
26.98ppb
O3
0.47ppb
SO2
1.86ppb
NO2
0.11ppm
CO
AQI 20
Good
2.09μg/m³
PM2.5
5.36μg/m³
PM10
21.54ppb
O3
0.49ppb
SO2
2.72ppb
NO2
0.10ppm
CO
AQI 23
Good
1.28μg/m³
PM2.5
4.49μg/m³
PM10
24.95ppb
O3
0.51ppb
SO2
2.43ppb
NO2
0.11ppm
CO
AQI 25
Good
1.95μg/m³
PM2.5
4.71μg/m³
PM10
26.88ppb
O3
0.45ppb
SO2
3.53ppb
NO2
0.12ppm
CO
AQI 25
Good
3.76μg/m³
PM2.5
5.47μg/m³
PM10
26.97ppb
O3
0.42ppb
SO2
3.27ppb
NO2
0.12ppm
CO
Air quality and pollutant data for County Durham, 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 County Durham, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in County Durham, UK was at its worst at 08:00:00 on 2026-10-04.
In the last 24 hours, the best air quality in County Durham, UK was observed at 06:00:00 on 2026-10-05.
As of now, the AQI in County Durham, UK is 24, indicating Good conditions.
County Durham, UK air has the highest levels of O3.
Poor air quality in County Durham, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in County Durham, UK are currently 1.619 μg/m3.
The PM10 concentration in County Durham, UK is 4.132 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.119 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.476 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 25.854 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 3.006 ppb.
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