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)
52
Moderate
Maidenhead, Windsor and Maidenhead
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.40 μg/m³
0
55
155
255
425
605+
19.14 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
17.31 ppb
0
54
101
361
1250
2050+
0.80 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 52
Moderate
9.63μg/m³
PM2.5
16.66μg/m³
PM10
26.46ppb
O3
0.84ppb
SO2
20.34ppb
NO2
1.01ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
16.66μg/m³
PM10
26.46ppb
O3
0.84ppb
SO2
20.34ppb
NO2
1.01ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
8.47μg/m³
PM10
25.13ppb
O3
0.84ppb
SO2
17.68ppb
NO2
1.01ppm
CO
AQI 49
Good
8.92μg/m³
PM2.5
21.32μg/m³
PM10
26.49ppb
O3
0.85ppb
SO2
22.86ppb
NO2
1.01ppm
CO
AQI 49
Good
8.65μg/m³
PM2.5
15.35μg/m³
PM10
25.10ppb
O3
0.84ppb
SO2
18.71ppb
NO2
1.01ppm
CO
AQI 22
Good
3.71μg/m³
PM2.5
9.51μg/m³
PM10
22.89ppb
O3
0.83ppb
SO2
20.80ppb
NO2
1.01ppm
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 12:00:00 on 2026-02-12.
The best air quality in Maidenhead, Windsor and Maidenhead was recorded at 05:00:00 on 2026-02-11.
The real-time air quality index in Maidenhead, Windsor and Maidenhead is 52, currently categorized as Moderate.
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 10.378 μg/m3.
The current PM10 levels in Maidenhead, Windsor and Maidenhead are 13.4 μg/m3.
The current carbon monoxide (CO) level in Maidenhead, Windsor and Maidenhead is 0.803 ppm.
The current sulfur dioxide (SO2) levels in Maidenhead, Windsor and Maidenhead are 0.763 ppb.
The current ozone (O3) levels at Maidenhead, Windsor and Maidenhead is 19.136 ppm.
The current nitrogen dioxide (NO2) levels at Maidenhead, Windsor and Maidenhead is 17.309 ppb.
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