Stay updated with real-time air quality in Maidenhead, Windsor and Maidenhead 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)
27
Good
Maidenhead, Windsor and Maidenhead
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.00 μg/m³
0
55
155
255
425
605+
22.67 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
4.56 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Maidenhead, Windsor and Maidenhead
Maidenhead, Windsor and Maidenhead
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AQI 38
Good
7.10μg/m³
PM2.5
19.40μg/m³
PM10
14.60ppb
O3
0.43ppb
SO2
6.48ppb
NO2
0.02ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
19.40μg/m³
PM10
14.60ppb
O3
0.43ppb
SO2
6.48ppb
NO2
0.02ppm
CO
AQI 38
Good
7.07μg/m³
PM2.5
14.05μg/m³
PM10
18.78ppb
O3
0.43ppb
SO2
6.51ppb
NO2
0.01ppm
CO
AQI 44
Good
7.56μg/m³
PM2.5
20.47μg/m³
PM10
16.91ppb
O3
0.43ppb
SO2
5.10ppb
NO2
0.01ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
20.17μg/m³
PM10
18.82ppb
O3
0.40ppb
SO2
7.82ppb
NO2
0.02ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
15.94μg/m³
PM10
18.98ppb
O3
0.40ppb
SO2
4.49ppb
NO2
0.03ppm
CO
Air quality measurements for Windsor and Maidenhead, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Maidenhead, Windsor and Maidenhead is updated on an hourly basis.
The worst air quality in Maidenhead, Windsor and Maidenhead was recorded at 08:00:00 on 2025-11-06.
The best air quality in Maidenhead, Windsor and Maidenhead was recorded at 05:00:00 on 2025-11-05.
The real-time air quality index in Maidenhead, Windsor and Maidenhead is 38, currently categorized as Good.
The most common pollutant in Maidenhead, Windsor and Maidenhead is PM2.5.
If the air quality in Maidenhead, Windsor and Maidenhead is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Maidenhead, Windsor and Maidenhead at present are 7.098 μg/m3.
The current PM10 levels in Maidenhead, Windsor and Maidenhead are 19.403 μg/m3.
The current carbon monoxide (CO) level in Maidenhead, Windsor and Maidenhead is 0.018 ppm.
The current sulfur dioxide (SO2) levels in Maidenhead, Windsor and Maidenhead are 0.429 ppb.
The current ozone (O3) levels at Maidenhead, Windsor and Maidenhead is 14.597 ppm.
The current nitrogen dioxide (NO2) levels at Maidenhead, Windsor and Maidenhead is 6.477 ppb.
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