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
7.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.26 μg/m³
0
55
155
255
425
605+
38.09 ppb
0
55
71
86
201
201+
1.02 ppb
0
36
76
186
605
1005+
12.38 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hatfield, Hertfordshire
Hatfield, Hertfordshire
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AQI 54
Moderate
10.60μg/m³
PM2.5
17.48μg/m³
PM10
35.40ppb
O3
0.99ppb
SO2
10.52ppb
NO2
0.11ppm
CO
AQI 52
Moderate
10.13μg/m³
PM2.5
19.20μg/m³
PM10
33.51ppb
O3
1.16ppb
SO2
7.82ppb
NO2
0.11ppm
CO
AQI 52
Moderate
10.04μg/m³
PM2.5
24.83μg/m³
PM10
37.60ppb
O3
0.94ppb
SO2
10.21ppb
NO2
0.11ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
18.62μg/m³
PM10
29.33ppb
O3
1.01ppb
SO2
8.36ppb
NO2
0.11ppm
CO
AQI 54
Moderate
10.78μg/m³
PM2.5
20.69μg/m³
PM10
35.80ppb
O3
0.99ppb
SO2
13.30ppb
NO2
0.11ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
18.14μg/m³
PM10
38.40ppb
O3
1.03ppb
SO2
5.85ppb
NO2
0.11ppm
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 07:00:00 on 2026-07-09.
In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 04:00:00 on 2026-07-10.
As of now, the AQI in Hatfield, Hertfordshire is 44, indicating Good 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 7.962 μg/m3.
The PM10 concentration in Hatfield, Hertfordshire is 19.263 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hatfield, Hertfordshire is 0.113 ppm.
Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 1.025 ppb.
The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 38.089 ppm.
Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 12.384 ppb.
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