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)
27
Good
Saffron Walden, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.26 μg/m³
0
55
155
255
425
605+
29.11 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
2.45 ppb
0
54
101
361
1250
2050+
0.04 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 28
Good
3.01μg/m³
PM2.5
17.04μg/m³
PM10
29.69ppb
O3
0.98ppb
SO2
2.25ppb
NO2
0.05ppm
CO
AQI 29
Good
2.87μg/m³
PM2.5
16.15μg/m³
PM10
31.15ppb
O3
0.17ppb
SO2
6.89ppb
NO2
0.03ppm
CO
AQI 26
Good
2.96μg/m³
PM2.5
18.24μg/m³
PM10
27.64ppb
O3
0.17ppb
SO2
2.44ppb
NO2
0.03ppm
CO
AQI 31
Good
2.84μg/m³
PM2.5
10.22μg/m³
PM10
32.66ppb
O3
0.98ppb
SO2
2.19ppb
NO2
0.03ppm
CO
AQI 27
Good
4.06μg/m³
PM2.5
8.82μg/m³
PM10
29.37ppb
O3
0.70ppb
SO2
2.90ppb
NO2
0.07ppm
CO
AQI 29
Good
2.87μg/m³
PM2.5
16.15μg/m³
PM10
31.15ppb
O3
0.17ppb
SO2
6.89ppb
NO2
0.03ppm
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 10:00:00 on 2025-12-27.
In the last 24 hrs, the best air quality in Saffron Walden, Essex was observed at 04:00:00 on 2025-12-28.
The current air quality in Saffron Walden, Essex is 27, categorized as Good based on real-time data.
The most common pollutant in Saffron Walden, Essex is O3.
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 2.954 μg/m3.
The current PM10 concentration at Saffron Walden, Essex is 7.262 μg/m3.
The current carbon monoxide (CO) concentration at Saffron Walden, Essex is 0.036 ppm.
The current sulfur dioxide (SO2) concentration at Saffron Walden, Essex is 0.989 ppb.
The current ozone (O3) concentration at Saffron Walden, Essex is 29.106 ppm.
The current nitrogen dioxide (NO2) concentration at Saffron Walden, Essex is 2.446 ppb.
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