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
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.87 μg/m³
0
55
155
255
425
605+
28.16 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
1.99 ppb
0
54
101
361
1250
2050+
0.17 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 30
Good
4.66μg/m³
PM2.5
14.00μg/m³
PM10
31.54ppb
O3
0.46ppb
SO2
1.89ppb
NO2
0.17ppm
CO
AQI 30
Good
4.90μg/m³
PM2.5
13.92μg/m³
PM10
31.53ppb
O3
0.48ppb
SO2
1.67ppb
NO2
0.17ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
12.51μg/m³
PM10
27.86ppb
O3
0.55ppb
SO2
1.56ppb
NO2
0.17ppm
CO
AQI 27
Good
4.69μg/m³
PM2.5
14.16μg/m³
PM10
28.18ppb
O3
0.48ppb
SO2
3.17ppb
NO2
0.17ppm
CO
AQI 28
Good
5.14μg/m³
PM2.5
12.89μg/m³
PM10
29.51ppb
O3
0.41ppb
SO2
7.53ppb
NO2
0.17ppm
CO
AQI 29
Good
4.84μg/m³
PM2.5
13.23μg/m³
PM10
30.99ppb
O3
0.46ppb
SO2
4.31ppb
NO2
0.17ppm
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 11:00:00 on 2026-06-28.
The best air quality in Knaresborough, North Yorkshire was recorded at 10:00:00 on 2026-06-29.
The real-time air quality index in Knaresborough, North Yorkshire is 27, 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 4.872 μg/m3.
The current PM10 levels in Knaresborough, North Yorkshire are 11.868 μg/m3.
The current carbon monoxide (CO) level in Knaresborough, North Yorkshire is 0.174 ppm.
The current sulfur dioxide (SO2) levels in Knaresborough, North Yorkshire are 0.563 ppb.
The current ozone (O3) levels at Knaresborough, North Yorkshire is 28.155 ppm.
The current nitrogen dioxide (NO2) levels at Knaresborough, North Yorkshire is 1.989 ppb.
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