Stay updated with real-time air quality in Hassocks, West Sussex 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)
52
Moderate
Hassocks, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.01 μg/m³
0
55
155
255
425
605+
46.82 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
12.75 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hassocks, West Sussex
Hassocks, West Sussex
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AQI 45
Good
7.91μg/m³
PM2.5
20.82μg/m³
PM10
48.98ppb
O3
0.65ppb
SO2
9.59ppb
NO2
0.02ppm
CO
AQI 45
Good
7.91μg/m³
PM2.5
20.82μg/m³
PM10
48.98ppb
O3
0.65ppb
SO2
9.59ppb
NO2
0.02ppm
CO
AQI 54
Moderate
10.64μg/m³
PM2.5
34.74μg/m³
PM10
45.55ppb
O3
0.65ppb
SO2
13.19ppb
NO2
0.02ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
23.04μg/m³
PM10
48.24ppb
O3
0.65ppb
SO2
9.31ppb
NO2
0.02ppm
CO
AQI 67
Moderate
8.09μg/m³
PM2.5
22.98μg/m³
PM10
60.45ppb
O3
0.65ppb
SO2
11.92ppb
NO2
0.02ppm
CO
AQI 56
Moderate
11.94μg/m³
PM2.5
50.89μg/m³
PM10
52.45ppb
O3
0.65ppb
SO2
12.29ppb
NO2
0.02ppm
CO
Air quality data and pollutant measurements for West Sussex, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Hassocks, West Sussex is updated every hour.
The worst air quality in Hassocks, West Sussex in the last 24 hours was observed at 10:00:00 on 2026-08-13.
In the last 24 hrs, the best air quality in Hassocks, West Sussex was observed at 04:00:00 on 2026-08-14.
The current air quality in Hassocks, West Sussex is 52, categorized as Moderate based on real-time data.
The most common pollutant in Hassocks, West Sussex is PM2.5.
If the air quality in Hassocks, West Sussex is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hassocks, West Sussex is 10.241 μg/m3.
The current PM10 concentration at Hassocks, West Sussex is 31.006 μg/m3.
The current carbon monoxide (CO) concentration at Hassocks, West Sussex is 0.021 ppm.
The current sulfur dioxide (SO2) concentration at Hassocks, West Sussex is 0.582 ppb.
The current ozone (O3) concentration at Hassocks, West Sussex is 46.823 ppm.
The current nitrogen dioxide (NO2) concentration at Hassocks, West Sussex is 12.754 ppb.
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