Stay updated with real-time air quality in Windsor and Maidenhead, 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)
26
Good
Windsor and Maidenhead, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.87 μg/m³
0
55
155
255
425
605+
27.82 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
5.68 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Windsor and Maidenhead, UK
Windsor and Maidenhead, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 23
Good
2.34μg/m³
PM2.5
7.43μg/m³
PM10
24.78ppb
O3
0.69ppb
SO2
5.39ppb
NO2
0.12ppm
CO
AQI 22
Good
1.96μg/m³
PM2.5
7.15μg/m³
PM10
23.50ppb
O3
0.67ppb
SO2
4.66ppb
NO2
0.12ppm
CO
AQI 21
Good
1.95μg/m³
PM2.5
7.21μg/m³
PM10
23.48ppb
O3
0.67ppb
SO2
4.71ppb
NO2
0.12ppm
CO
AQI 21
Good
3.43μg/m³
PM2.5
9.53μg/m³
PM10
22.94ppb
O3
0.76ppb
SO2
5.53ppb
NO2
0.12ppm
CO
AQI 25
Good
2.57μg/m³
PM2.5
5.93μg/m³
PM10
27.14ppb
O3
0.61ppb
SO2
3.17ppb
NO2
0.12ppm
CO
AQI 24
Good
2.71μg/m³
PM2.5
9.79μg/m³
PM10
25.66ppb
O3
0.71ppb
SO2
6.59ppb
NO2
0.12ppm
CO
The air quality data for Windsor and Maidenhead, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Windsor and Maidenhead, UK are available every hour.
Windsor and Maidenhead, UK experienced its worst air quality at 09:00:00, 2026-05-13.
The best air quality in Windsor and Maidenhead, UK was observed at 08:00:00 on 2026-05-14.
The air quality in Windsor and Maidenhead, UK right now is Good, with an AQI of 26.
In Windsor and Maidenhead, UK, O3 is the most frequently found pollutant.
When air quality in Windsor and Maidenhead, UK is compromised, staying indoors and wearing a mask can reduce health risks.
Windsor and Maidenhead, UK currently has a PM2.5 concentration of 2.664 μg/m3.
Windsor and Maidenhead, UK currently has a PM10 concentration of 11.867 μg/m3.
The current carbon monoxide (CO) level in Windsor and Maidenhead, UK is 0.118 ppm.
The current sulfur dioxide (SO2) concentration in Windsor and Maidenhead, UK is 0.737 ppb.
Windsor and Maidenhead, UK currently has an ozone (O3) concentration of 27.817 ppm.
The current level of nitrogen dioxide (NO2) in Windsor and Maidenhead, UK is 5.685 ppb.
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