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
7.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.23 μg/m³
0
55
155
255
425
605+
19.21 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
8.49 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Saffron Walden, Essex
Saffron Walden, Essex
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AQI 49
Good
8.77μg/m³
PM2.5
12.34μg/m³
PM10
31.82ppb
O3
1.02ppb
SO2
9.29ppb
NO2
1.01ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
20.85μg/m³
PM10
27.46ppb
O3
0.99ppb
SO2
13.91ppb
NO2
1.01ppm
CO
AQI 27
Good
5.33μg/m³
PM2.5
26.59μg/m³
PM10
26.55ppb
O3
0.95ppb
SO2
15.43ppb
NO2
1.01ppm
CO
AQI 49
Good
8.92μg/m³
PM2.5
12.74μg/m³
PM10
29.57ppb
O3
1.09ppb
SO2
13.27ppb
NO2
1.01ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
8.11μg/m³
PM10
24.38ppb
O3
0.90ppb
SO2
13.79ppb
NO2
1.01ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
20.85μg/m³
PM10
27.46ppb
O3
0.99ppb
SO2
13.91ppb
NO2
1.01ppm
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 05:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in Saffron Walden, Essex was observed at 04:00:00 on 2026-02-11.
The current air quality in Saffron Walden, Essex is 38, 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 7.372 μg/m3.
The current PM10 concentration at Saffron Walden, Essex is 25.234 μg/m3.
The current carbon monoxide (CO) concentration at Saffron Walden, Essex is 0.803 ppm.
The current sulfur dioxide (SO2) concentration at Saffron Walden, Essex is 0.878 ppb.
The current ozone (O3) concentration at Saffron Walden, Essex is 19.21 ppm.
The current nitrogen dioxide (NO2) concentration at Saffron Walden, Essex is 8.494 ppb.
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