Stay updated with real-time air quality in Dereham, 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)
23
Good
Dereham, Norfolk
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.28 μg/m³
0
55
155
255
425
605+
25.30 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
3.56 ppb
0
54
101
361
1250
2050+
0.05 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dereham, Norfolk
Dereham, Norfolk
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AQI 24
Good
3.36μg/m³
PM2.5
10.00μg/m³
PM10
25.64ppb
O3
0.62ppb
SO2
3.72ppb
NO2
0.04ppm
CO
AQI 24
Good
3.21μg/m³
PM2.5
8.87μg/m³
PM10
26.32ppb
O3
0.63ppb
SO2
3.13ppb
NO2
0.05ppm
CO
AQI 24
Good
3.24μg/m³
PM2.5
8.88μg/m³
PM10
25.91ppb
O3
0.63ppb
SO2
3.43ppb
NO2
0.05ppm
CO
AQI 24
Good
3.25μg/m³
PM2.5
8.94μg/m³
PM10
25.77ppb
O3
0.63ppb
SO2
3.61ppb
NO2
0.05ppm
CO
AQI 24
Good
3.00μg/m³
PM2.5
7.00μg/m³
PM10
26.02ppb
O3
0.64ppb
SO2
2.13ppb
NO2
0.05ppm
CO
AQI 23
Good
3.66μg/m³
PM2.5
10.29μg/m³
PM10
24.80ppb
O3
0.62ppb
SO2
3.57ppb
NO2
0.04ppm
CO
The air quality data for Norfolk, 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 Dereham, Norfolk are available every hour.
Dereham, Norfolk experienced its worst air quality at 08:00:00, 2026-08-16.
The best air quality in Dereham, Norfolk was observed at 02:00:00 on 2026-08-16.
The air quality in Dereham, Norfolk right now is Good, with an AQI of 23.
In Dereham, Norfolk, O3 is the most frequently found pollutant.
When air quality in Dereham, Norfolk is compromised, staying indoors and wearing a mask can reduce health risks.
Dereham, Norfolk currently has a PM2.5 concentration of 3.359 μg/m3.
Dereham, Norfolk currently has a PM10 concentration of 8.277 μg/m3.
The current carbon monoxide (CO) level in Dereham, Norfolk is 0.046 ppm.
The current sulfur dioxide (SO2) concentration in Dereham, Norfolk is 0.627 ppb.
Dereham, Norfolk currently has an ozone (O3) concentration of 25.301 ppm.
The current level of nitrogen dioxide (NO2) in Dereham, Norfolk is 3.555 ppb.
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