Stay updated with real-time air quality in Sawbridgeworth, Hertfordshire 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
Sawbridgeworth, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.02 μg/m³
0
55
155
255
425
605+
19.75 ppb
0
55
71
86
201
201+
2.06 ppb
0
36
76
186
605
1005+
4.63 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Sawbridgeworth, Hertfordshire
Sawbridgeworth, Hertfordshire
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AQI 49
Good
8.59μg/m³
PM2.5
16.53μg/m³
PM10
14.24ppb
O3
0.57ppb
SO2
7.34ppb
NO2
0.01ppm
CO
AQI 49
Good
8.58μg/m³
PM2.5
22.27μg/m³
PM10
15.81ppb
O3
0.57ppb
SO2
9.27ppb
NO2
0.01ppm
CO
AQI 49
Good
9.18μg/m³
PM2.5
21.38μg/m³
PM10
14.51ppb
O3
0.53ppb
SO2
13.22ppb
NO2
0.01ppm
CO
AQI 49
Good
8.99μg/m³
PM2.5
31.63μg/m³
PM10
15.26ppb
O3
0.64ppb
SO2
14.39ppb
NO2
0.00ppm
CO
AQI 49
Good
8.76μg/m³
PM2.5
18.46μg/m³
PM10
13.51ppb
O3
0.71ppb
SO2
9.17ppb
NO2
0.01ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
20.33μg/m³
PM10
14.24ppb
O3
0.74ppb
SO2
9.48ppb
NO2
0.01ppm
CO
Air quality measurements for Hertfordshire, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sawbridgeworth, Hertfordshire is updated on an hourly basis.
The worst air quality in Sawbridgeworth, Hertfordshire was recorded at 10:00:00 on 2025-11-07.
The best air quality in Sawbridgeworth, Hertfordshire was recorded at 07:00:00 on 2025-11-07.
The real-time air quality index in Sawbridgeworth, Hertfordshire is 49, currently categorized as Good.
The most common pollutant in Sawbridgeworth, Hertfordshire is PM2.5.
If the air quality in Sawbridgeworth, Hertfordshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sawbridgeworth, Hertfordshire at present are 8.811 μg/m3.
The current PM10 levels in Sawbridgeworth, Hertfordshire are 26.193 μg/m3.
The current carbon monoxide (CO) level in Sawbridgeworth, Hertfordshire is 0.014 ppm.
The current sulfur dioxide (SO2) levels in Sawbridgeworth, Hertfordshire are 0.704 ppb.
The current ozone (O3) levels at Sawbridgeworth, Hertfordshire is 16.326 ppm.
The current nitrogen dioxide (NO2) levels at Sawbridgeworth, Hertfordshire is 8.595 ppb.
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