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)
54
Moderate
Hatfield, Hertfordshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.58 μg/m³
0
55
155
255
425
605+
47.56 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
12.73 ppb
0
54
101
361
1250
2050+
0.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Hatfield, Hertfordshire
Hatfield, Hertfordshire
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AQI 49
Good
9.07μg/m³
PM2.5
18.41μg/m³
PM10
52.35ppb
O3
1.24ppb
SO2
6.85ppb
NO2
0.02ppm
CO
AQI 61
Moderate
9.49μg/m³
PM2.5
17.47μg/m³
PM10
57.65ppb
O3
1.36ppb
SO2
12.57ppb
NO2
0.01ppm
CO
AQI 67
Moderate
10.17μg/m³
PM2.5
20.70μg/m³
PM10
59.56ppb
O3
1.04ppb
SO2
16.80ppb
NO2
0.01ppm
CO
AQI 49
Good
9.44μg/m³
PM2.5
18.57μg/m³
PM10
52.35ppb
O3
1.27ppb
SO2
12.44ppb
NO2
0.01ppm
CO
AQI 48
Good
8.48μg/m³
PM2.5
18.32μg/m³
PM10
52.35ppb
O3
1.24ppb
SO2
12.44ppb
NO2
0.02ppm
CO
AQI 64
Moderate
10.97μg/m³
PM2.5
18.81μg/m³
PM10
59.50ppb
O3
1.13ppb
SO2
7.49ppb
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 08:00:00 on 2025-06-19.
In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 12:00:00 on 2025-06-19.
As of now, the AQI in Hatfield, Hertfordshire is 74, indicating Moderate conditions.
Hatfield, Hertfordshire air has the highest levels of O3.
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 11.54 μg/m3.
The PM10 concentration in Hatfield, Hertfordshire is 20.854 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 1.237 ppb.
The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 61.817 ppm.
Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 9.754 ppb.
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