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)
39
Good
County Durham, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.58 μg/m³
0
55
155
255
425
605+
41.87 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
1.35 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
County Durham, UK
County Durham, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 38
Good
4.57μg/m³
PM2.5
11.63μg/m³
PM10
41.45ppb
O3
0.93ppb
SO2
1.82ppb
NO2
0.12ppm
CO
AQI 39
Good
2.85μg/m³
PM2.5
8.51μg/m³
PM10
41.67ppb
O3
0.86ppb
SO2
1.07ppb
NO2
0.11ppm
CO
AQI 37
Good
3.86μg/m³
PM2.5
11.19μg/m³
PM10
39.79ppb
O3
0.87ppb
SO2
1.28ppb
NO2
0.10ppm
CO
AQI 38
Good
3.04μg/m³
PM2.5
9.31μg/m³
PM10
40.90ppb
O3
0.95ppb
SO2
1.67ppb
NO2
0.11ppm
CO
AQI 40
Good
4.15μg/m³
PM2.5
10.81μg/m³
PM10
42.95ppb
O3
0.49ppb
SO2
1.27ppb
NO2
0.12ppm
CO
AQI 44
Good
4.79μg/m³
PM2.5
11.94μg/m³
PM10
46.89ppb
O3
0.39ppb
SO2
1.28ppb
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 07:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in County Durham, UK was observed at 10:00:00 on 2026-03-29.
As of now, the AQI in County Durham, UK is 39, 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 4.491 μg/m3.
The PM10 concentration in County Durham, UK is 10.582 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in County Durham, UK is 0.143 ppm.
Currently, County Durham, UK has a sulfur dioxide (SO2) concentration of 0.996 ppb.
The current ozone (O3) level in County Durham, UK at the moment is 41.872 ppm.
Nitrogen dioxide (NO2) level in County Durham, UK at the moment is 1.354 ppb.
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