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
6.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.01 μg/m³
0
55
155
255
425
605+
30.14 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
15.81 ppb
0
54
101
361
1250
2050+
0.03 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 33
Good
6.46μg/m³
PM2.5
10.30μg/m³
PM10
19.09ppb
O3
0.85ppb
SO2
19.03ppb
NO2
0.03ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
10.78μg/m³
PM10
16.87ppb
O3
0.83ppb
SO2
8.90ppb
NO2
0.04ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
10.79μg/m³
PM10
16.82ppb
O3
0.83ppb
SO2
8.69ppb
NO2
0.04ppm
CO
AQI 27
Good
4.90μg/m³
PM2.5
8.77μg/m³
PM10
24.83ppb
O3
0.76ppb
SO2
18.81ppb
NO2
0.14ppm
CO
AQI 22
Good
4.45μg/m³
PM2.5
10.73μg/m³
PM10
22.81ppb
O3
0.78ppb
SO2
6.79ppb
NO2
0.06ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
12.40μg/m³
PM10
23.32ppb
O3
0.89ppb
SO2
15.06ppb
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 09:00:00, 2026-02-10.
The best air quality in Windsor and Maidenhead, UK was observed at 05:00:00 on 2026-02-11.
The air quality in Windsor and Maidenhead, UK right now is Good, with an AQI of 27.
In Windsor and Maidenhead, UK, PM2.5 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 5.086 μg/m3.
Windsor and Maidenhead, UK currently has a PM10 concentration of 10.612 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 0.854 ppb.
Windsor and Maidenhead, UK currently has an ozone (O3) concentration of 20.698 ppm.
The current level of nitrogen dioxide (NO2) in Windsor and Maidenhead, UK is 15.467 ppb.
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