Stay updated with real-time air quality in Downham Market, Norfolk 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)
28
Good
Downham Market, Norfolk
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.44 μg/m³
0
55
155
255
425
605+
29.59 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
6.43 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Downham Market, Norfolk
Downham Market, Norfolk
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AQI 28
Good
4.46μg/m³
PM2.5
9.33μg/m³
PM10
30.15ppb
O3
0.38ppb
SO2
6.36ppb
NO2
0.30ppm
CO
AQI 28
Good
4.27μg/m³
PM2.5
8.88μg/m³
PM10
29.89ppb
O3
0.49ppb
SO2
7.46ppb
NO2
0.31ppm
CO
AQI 30
Good
4.65μg/m³
PM2.5
9.45μg/m³
PM10
31.62ppb
O3
0.49ppb
SO2
7.88ppb
NO2
0.31ppm
CO
AQI 30
Good
3.04μg/m³
PM2.5
9.52μg/m³
PM10
31.61ppb
O3
0.45ppb
SO2
6.72ppb
NO2
0.31ppm
CO
AQI 29
Good
2.93μg/m³
PM2.5
8.19μg/m³
PM10
31.10ppb
O3
0.48ppb
SO2
7.50ppb
NO2
0.31ppm
CO
AQI 27
Good
4.56μg/m³
PM2.5
8.22μg/m³
PM10
28.17ppb
O3
0.49ppb
SO2
5.68ppb
NO2
0.31ppm
CO
Air quality measurements for Norfolk, 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 Downham Market, Norfolk is updated on an hourly basis.
The worst air quality in Downham Market, Norfolk was recorded at 10:00:00 on 2026-09-27.
The best air quality in Downham Market, Norfolk was recorded at 09:00:00 on 2026-09-28.
The real-time air quality index in Downham Market, Norfolk is 28, currently categorized as Good.
The most common pollutant in Downham Market, Norfolk is O3.
If the air quality in Downham Market, Norfolk is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Downham Market, Norfolk at present are 4.341 μg/m3.
The current PM10 levels in Downham Market, Norfolk are 9.442 μg/m3.
The current carbon monoxide (CO) level in Downham Market, Norfolk is 0.312 ppm.
The current sulfur dioxide (SO2) levels in Downham Market, Norfolk are 0.479 ppb.
The current ozone (O3) levels at Downham Market, Norfolk is 29.589 ppm.
The current nitrogen dioxide (NO2) levels at Downham Market, Norfolk is 6.432 ppb.
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