Stay updated with real-time air quality in Knaresborough, North Yorkshire 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)
27
Good
Knaresborough, North Yorkshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.47 μg/m³
0
55
155
255
425
605+
13.34 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
3.65 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Knaresborough, North Yorkshire
Knaresborough, North Yorkshire
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AQI 22
Good
4.48μg/m³
PM2.5
6.51μg/m³
PM10
18.86ppb
O3
0.45ppb
SO2
9.29ppb
NO2
0.51ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
6.43μg/m³
PM10
18.43ppb
O3
0.47ppb
SO2
4.99ppb
NO2
0.51ppm
CO
AQI 22
Good
3.97μg/m³
PM2.5
10.46μg/m³
PM10
21.38ppb
O3
0.49ppb
SO2
10.98ppb
NO2
0.51ppm
CO
AQI 22
Good
4.45μg/m³
PM2.5
6.73μg/m³
PM10
21.15ppb
O3
0.48ppb
SO2
6.97ppb
NO2
0.51ppm
CO
AQI 27
Good
4.51μg/m³
PM2.5
8.06μg/m³
PM10
15.20ppb
O3
0.45ppb
SO2
14.88ppb
NO2
0.51ppm
CO
AQI 22
Good
3.98μg/m³
PM2.5
6.76μg/m³
PM10
19.03ppb
O3
0.48ppb
SO2
10.82ppb
NO2
0.51ppm
CO
Air quality measurements for North Yorkshire, 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
Air quality data for Knaresborough, North Yorkshire is updated on an hourly basis.
The worst air quality in Knaresborough, North Yorkshire was recorded at 09:00:00 on 2026-10-05.
The best air quality in Knaresborough, North Yorkshire was recorded at 09:00:00 on 2026-10-06.
The real-time air quality index in Knaresborough, North Yorkshire is 22, currently categorized as Good.
The most common pollutant in Knaresborough, North Yorkshire is PM2.5.
If the air quality in Knaresborough, North Yorkshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Knaresborough, North Yorkshire at present are 4.001 μg/m3.
The current PM10 levels in Knaresborough, North Yorkshire are 9.357 μg/m3.
The current carbon monoxide (CO) level in Knaresborough, North Yorkshire is 0.506 ppm.
The current sulfur dioxide (SO2) levels in Knaresborough, North Yorkshire are 0.442 ppb.
The current ozone (O3) levels at Knaresborough, North Yorkshire is 18.44 ppm.
The current nitrogen dioxide (NO2) levels at Knaresborough, North Yorkshire is 6.403 ppb.
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