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)
44
Good
Downham Market, Norfolk
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.41 μg/m³
0
55
155
255
425
605+
16.89 ppb
0
55
71
86
201
201+
3.34 ppb
0
36
76
186
605
1005+
3.61 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Downham Market, Norfolk
Downham Market, Norfolk
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AQI 64
Moderate
15.65μg/m³
PM2.5
26.89μg/m³
PM10
5.73ppb
O3
3.91ppb
SO2
9.03ppb
NO2
0.33ppm
CO
AQI 56
Moderate
11.98μg/m³
PM2.5
40.24μg/m³
PM10
7.96ppb
O3
4.17ppb
SO2
6.46ppb
NO2
0.32ppm
CO
AQI 58
Moderate
12.53μg/m³
PM2.5
44.71μg/m³
PM10
8.36ppb
O3
4.25ppb
SO2
7.05ppb
NO2
0.32ppm
CO
AQI 44
Good
8.07μg/m³
PM2.5
26.68μg/m³
PM10
7.87ppb
O3
6.08ppb
SO2
7.02ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.04μg/m³
PM2.5
38.75μg/m³
PM10
8.00ppb
O3
4.50ppb
SO2
5.84ppb
NO2
0.32ppm
CO
AQI 52
Moderate
9.50μg/m³
PM2.5
28.96μg/m³
PM10
5.58ppb
O3
3.54ppb
SO2
7.20ppb
NO2
0.34ppm
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 01:00:00 on 2025-11-07.
The best air quality in Downham Market, Norfolk was recorded at 06:00:00 on 2025-11-06.
The real-time air quality index in Downham Market, Norfolk is 54, currently categorized as Moderate.
The most common pollutant in Downham Market, Norfolk is PM2.5.
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 10.907 μg/m3.
The current PM10 levels in Downham Market, Norfolk are 33.798 μg/m3.
The current carbon monoxide (CO) level in Downham Market, Norfolk is 0.334 ppm.
The current sulfur dioxide (SO2) levels in Downham Market, Norfolk are 4.601 ppb.
The current ozone (O3) levels at Downham Market, Norfolk is 7.786 ppm.
The current nitrogen dioxide (NO2) levels at Downham Market, Norfolk is 8.847 ppb.
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