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)
49
Good
Saffron Walden, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.95 μg/m³
0
55
155
255
425
605+
53.28 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
12.10 ppb
0
54
101
361
1250
2050+
0.02 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 71
Moderate
4.83μg/m³
PM2.5
13.62μg/m³
PM10
60.63ppb
O3
0.87ppb
SO2
7.11ppb
NO2
0.17ppm
CO
AQI 67
Moderate
4.27μg/m³
PM2.5
13.83μg/m³
PM10
59.52ppb
O3
0.85ppb
SO2
8.04ppb
NO2
0.17ppm
CO
AQI 58
Moderate
4.92μg/m³
PM2.5
18.04μg/m³
PM10
57.28ppb
O3
0.84ppb
SO2
10.85ppb
NO2
0.17ppm
CO
AQI 71
Moderate
4.96μg/m³
PM2.5
13.28μg/m³
PM10
60.54ppb
O3
0.89ppb
SO2
6.85ppb
NO2
0.17ppm
CO
AQI 74
Moderate
6.00μg/m³
PM2.5
16.01μg/m³
PM10
61.93ppb
O3
0.80ppb
SO2
24.91ppb
NO2
0.17ppm
CO
AQI 67
Moderate
4.27μg/m³
PM2.5
13.83μg/m³
PM10
59.52ppb
O3
0.85ppb
SO2
8.04ppb
NO2
0.17ppm
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 06:00:00 on 2026-08-08.
In the last 24 hrs, the best air quality in Saffron Walden, Essex was observed at 04:00:00 on 2026-08-08.
The current air quality in Saffron Walden, Essex is 71, categorized as Moderate 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 4.644 μg/m3.
The current PM10 concentration at Saffron Walden, Essex is 12.427 μg/m3.
The current carbon monoxide (CO) concentration at Saffron Walden, Essex is 0.175 ppm.
The current sulfur dioxide (SO2) concentration at Saffron Walden, Essex is 0.824 ppb.
The current ozone (O3) concentration at Saffron Walden, Essex is 60.575 ppm.
The current nitrogen dioxide (NO2) concentration at Saffron Walden, Essex is 9.105 ppb.
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