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)
18
Good
Sawbridgeworth, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.49 μg/m³
0
55
155
255
425
605+
19.25 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
13.08 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sawbridgeworth, Hertfordshire
Sawbridgeworth, Hertfordshire
Scroll To Air Quality MapLoading...
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 33
Good
6.26μg/m³
PM2.5
9.92μg/m³
PM10
27.27ppb
O3
1.00ppb
SO2
13.92ppb
NO2
1.01ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
15.07μg/m³
PM10
27.39ppb
O3
0.96ppb
SO2
12.02ppb
NO2
1.01ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
16.63μg/m³
PM10
22.08ppb
O3
0.96ppb
SO2
18.61ppb
NO2
1.01ppm
CO
AQI 49
Good
9.06μg/m³
PM2.5
20.62μg/m³
PM10
23.98ppb
O3
1.09ppb
SO2
12.42ppb
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
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 07:00:00 on 2026-02-11.
The best air quality in Sawbridgeworth, Hertfordshire was recorded at 12:00:00 on 2026-02-11.
The real-time air quality index in Sawbridgeworth, Hertfordshire is 18, currently categorized as Good.
The most common pollutant in Sawbridgeworth, Hertfordshire is O3.
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 2.1 μg/m3.
The current PM10 levels in Sawbridgeworth, Hertfordshire are 10.489 μg/m3.
The current carbon monoxide (CO) level in Sawbridgeworth, Hertfordshire is 0.803 ppm.
The current sulfur dioxide (SO2) levels in Sawbridgeworth, Hertfordshire are 0.919 ppb.
The current ozone (O3) levels at Sawbridgeworth, Hertfordshire is 19.249 ppm.
The current nitrogen dioxide (NO2) levels at Sawbridgeworth, Hertfordshire is 13.078 ppb.
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