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)
19
Good
Windsor and Maidenhead, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.88 μg/m³
0
55
155
255
425
605+
19.92 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
8.02 ppb
0
54
101
361
1250
2050+
0.03 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Windsor and Maidenhead, UK
Windsor and Maidenhead, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 22
Good
3.55μg/m³
PM2.5
5.09μg/m³
PM10
20.08ppb
O3
0.78ppb
SO2
5.62ppb
NO2
0.03ppm
CO
AQI 46
Good
3.23μg/m³
PM2.5
5.23μg/m³
PM10
16.86ppb
O3
32.17ppb
SO2
5.81ppb
NO2
0.04ppm
CO
AQI 46
Good
3.18μg/m³
PM2.5
5.20μg/m³
PM10
16.90ppb
O3
32.36ppb
SO2
5.72ppb
NO2
0.04ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
17.71μg/m³
PM10
22.94ppb
O3
0.88ppb
SO2
10.45ppb
NO2
0.14ppm
CO
AQI 49
Good
3.45μg/m³
PM2.5
5.19μg/m³
PM10
26.33ppb
O3
34.18ppb
SO2
6.17ppb
NO2
0.06ppm
CO
AQI 22
Good
3.65μg/m³
PM2.5
10.44μg/m³
PM10
19.03ppb
O3
0.77ppb
SO2
8.72ppb
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 07:00:00, 2026-01-16.
The best air quality in Windsor and Maidenhead, UK was observed at 01:00:00 on 2026-01-16.
The air quality in Windsor and Maidenhead, UK right now is Good, with an AQI of 19.
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 3.338 μg/m3.
Windsor and Maidenhead, UK currently has a PM10 concentration of 6.877 μg/m3.
The current carbon monoxide (CO) level in Windsor and Maidenhead, UK is 0.029 ppm.
The current sulfur dioxide (SO2) concentration in Windsor and Maidenhead, UK is 0.777 ppb.
Windsor and Maidenhead, UK currently has an ozone (O3) concentration of 19.917 ppm.
The current level of nitrogen dioxide (NO2) in Windsor and Maidenhead, UK is 8.018 ppb.
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