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)
33
Good
Windsor and Maidenhead, UK
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+
11.00 μg/m³
0
55
155
255
425
605+
36.30 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
3.24 ppb
0
54
101
361
1250
2050+
0.03 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Windsor and Maidenhead, UK
Windsor and Maidenhead, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 33
Good
5.59μg/m³
PM2.5
9.81μg/m³
PM10
34.99ppb
O3
0.33ppb
SO2
3.75ppb
NO2
0.03ppm
CO
AQI 31
Good
4.20μg/m³
PM2.5
9.77μg/m³
PM10
32.61ppb
O3
0.34ppb
SO2
3.88ppb
NO2
0.04ppm
CO
AQI 31
Good
4.17μg/m³
PM2.5
9.81μg/m³
PM10
32.60ppb
O3
0.34ppb
SO2
3.84ppb
NO2
0.04ppm
CO
AQI 37
Good
4.54μg/m³
PM2.5
11.73μg/m³
PM10
39.76ppb
O3
0.38ppb
SO2
3.58ppb
NO2
0.10ppm
CO
AQI 33
Good
4.36μg/m³
PM2.5
10.95μg/m³
PM10
35.95ppb
O3
0.36ppb
SO2
2.93ppb
NO2
0.05ppm
CO
AQI 33
Good
4.79μg/m³
PM2.5
14.94μg/m³
PM10
36.08ppb
O3
0.33ppb
SO2
2.98ppb
NO2
0.03ppm
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 12:00:00, 2026-03-29.
The best air quality in Windsor and Maidenhead, UK was observed at 01:00:00 on 2026-03-29.
The air quality in Windsor and Maidenhead, UK right now is Good, with an AQI of 33.
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 4.87 μg/m3.
Windsor and Maidenhead, UK currently has a PM10 concentration of 10.999 μg/m3.
The current carbon monoxide (CO) level in Windsor and Maidenhead, UK is 0.03 ppm.
The current sulfur dioxide (SO2) concentration in Windsor and Maidenhead, UK is 0.399 ppb.
Windsor and Maidenhead, UK currently has an ozone (O3) concentration of 36.302 ppm.
The current level of nitrogen dioxide (NO2) in Windsor and Maidenhead, UK is 3.24 ppb.
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