Stay updated with real-time air quality in Hatfield, 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)
44
Good
Hatfield, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.39 μg/m³
0
55
155
255
425
605+
12.99 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
7.19 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hatfield, Hertfordshire
Hatfield, Hertfordshire
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AQI 38
Good
7.01μg/m³
PM2.5
21.25μg/m³
PM10
10.90ppb
O3
0.73ppb
SO2
6.42ppb
NO2
0.02ppm
CO
AQI 58
Moderate
13.18μg/m³
PM2.5
21.89μg/m³
PM10
8.50ppb
O3
0.98ppb
SO2
14.05ppb
NO2
0.01ppm
CO
AQI 54
Moderate
11.21μg/m³
PM2.5
28.51μg/m³
PM10
12.10ppb
O3
0.72ppb
SO2
15.90ppb
NO2
0.01ppm
CO
AQI 52
Moderate
10.22μg/m³
PM2.5
27.70μg/m³
PM10
10.90ppb
O3
0.76ppb
SO2
13.52ppb
NO2
0.01ppm
CO
AQI 49
Good
9.45μg/m³
PM2.5
26.77μg/m³
PM10
11.07ppb
O3
0.74ppb
SO2
10.48ppb
NO2
0.02ppm
CO
AQI 58
Moderate
12.95μg/m³
PM2.5
23.74μg/m³
PM10
11.84ppb
O3
0.85ppb
SO2
8.96ppb
NO2
0.01ppm
CO
Air quality and pollutant data for Hertfordshire, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Hatfield, Hertfordshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Hatfield, Hertfordshire was at its worst at 06:00:00 on 2025-11-15.
In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 07:00:00 on 2025-11-14.
As of now, the AQI in Hatfield, Hertfordshire is 52, indicating Moderate conditions.
Hatfield, Hertfordshire air has the highest levels of PM2.5.
Poor air quality in Hatfield, Hertfordshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hatfield, Hertfordshire are currently 10.22 μg/m3.
The PM10 concentration in Hatfield, Hertfordshire is 21.669 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hatfield, Hertfordshire is 0.011 ppm.
Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.751 ppb.
The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 11.016 ppm.
Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 13.2 ppb.
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