Stay updated with real-time air quality in Saffron Walden, Essex 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)
38
Good
Saffron Walden, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.97 μg/m³
0
55
155
255
425
605+
19.05 ppb
0
55
71
86
201
201+
3.42 ppb
0
36
76
186
605
1005+
3.08 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Saffron Walden, Essex
Saffron Walden, Essex
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AQI 44
Good
7.67μg/m³
PM2.5
23.65μg/m³
PM10
6.23ppb
O3
3.85ppb
SO2
9.66ppb
NO2
0.34ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
23.27μg/m³
PM10
4.98ppb
O3
2.88ppb
SO2
10.87ppb
NO2
0.34ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
32.10μg/m³
PM10
10.46ppb
O3
3.36ppb
SO2
16.91ppb
NO2
0.34ppm
CO
AQI 44
Good
7.54μg/m³
PM2.5
22.10μg/m³
PM10
5.04ppb
O3
2.94ppb
SO2
10.64ppb
NO2
0.34ppm
CO
AQI 49
Good
8.86μg/m³
PM2.5
31.67μg/m³
PM10
10.12ppb
O3
6.33ppb
SO2
7.97ppb
NO2
0.32ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
23.27μg/m³
PM10
4.98ppb
O3
2.88ppb
SO2
10.87ppb
NO2
0.34ppm
CO
Air quality data and pollutant measurements for Essex, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Saffron Walden, Essex is updated every hour.
The worst air quality in Saffron Walden, Essex in the last 24 hours was observed at 11:00:00 on 2025-11-06.
In the last 24 hrs, the best air quality in Saffron Walden, Essex was observed at 10:00:00 on 2025-11-06.
The current air quality in Saffron Walden, Essex is 44, categorized as Good based on real-time data.
The most common pollutant in Saffron Walden, Essex is PM2.5.
If the air quality in Saffron Walden, Essex is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Saffron Walden, Essex is 7.72 μg/m3.
The current PM10 concentration at Saffron Walden, Essex is 27.511 μg/m3.
The current carbon monoxide (CO) concentration at Saffron Walden, Essex is 0.34 ppm.
The current sulfur dioxide (SO2) concentration at Saffron Walden, Essex is 4.646 ppb.
The current ozone (O3) concentration at Saffron Walden, Essex is 7.202 ppm.
The current nitrogen dioxide (NO2) concentration at Saffron Walden, Essex is 9.893 ppb.
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