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)
31
Good
Windsor and Maidenhead, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.54 μg/m³
0
55
155
255
425
605+
33.88 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
3.45 ppb
0
54
101
361
1250
2050+
0.02 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 32
Good
4.95μg/m³
PM2.5
9.59μg/m³
PM10
34.85ppb
O3
0.40ppb
SO2
3.24ppb
NO2
0.02ppm
CO
AQI 30
Good
3.81μg/m³
PM2.5
9.40μg/m³
PM10
32.34ppb
O3
0.34ppb
SO2
4.08ppb
NO2
0.03ppm
CO
AQI 30
Good
3.78μg/m³
PM2.5
9.42μg/m³
PM10
32.34ppb
O3
0.34ppb
SO2
4.05ppb
NO2
0.03ppm
CO
AQI 38
Good
4.34μg/m³
PM2.5
12.36μg/m³
PM10
40.65ppb
O3
0.40ppb
SO2
3.34ppb
NO2
0.09ppm
CO
AQI 34
Good
4.06μg/m³
PM2.5
9.00μg/m³
PM10
36.88ppb
O3
0.36ppb
SO2
4.20ppb
NO2
0.04ppm
CO
AQI 32
Good
4.99μg/m³
PM2.5
12.20μg/m³
PM10
34.57ppb
O3
0.39ppb
SO2
3.45ppb
NO2
0.02ppm
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 11:00:00, 2026-03-28.
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 31.
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 5.16 μg/m3.
Windsor and Maidenhead, UK currently has a PM10 concentration of 9.542 μg/m3.
The current carbon monoxide (CO) level in Windsor and Maidenhead, UK is 0.02 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 33.878 ppm.
The current level of nitrogen dioxide (NO2) in Windsor and Maidenhead, UK is 3.449 ppb.
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