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
9.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.47 μg/m³
0
55
155
255
425
605+
32.95 ppb
0
55
71
86
201
201+
1.02 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.80 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 52
Moderate
9.52μg/m³
PM2.5
19.14μg/m³
PM10
28.29ppb
O3
0.95ppb
SO2
8.58ppb
NO2
1.01ppm
CO
AQI 52
Moderate
9.52μg/m³
PM2.5
19.14μg/m³
PM10
28.29ppb
O3
0.95ppb
SO2
8.58ppb
NO2
1.01ppm
CO
AQI 54
Moderate
10.80μg/m³
PM2.5
25.94μg/m³
PM10
33.43ppb
O3
0.93ppb
SO2
5.57ppb
NO2
1.01ppm
CO
AQI 52
Moderate
9.91μg/m³
PM2.5
22.48μg/m³
PM10
35.95ppb
O3
0.92ppb
SO2
4.06ppb
NO2
1.01ppm
CO
AQI 52
Moderate
10.22μg/m³
PM2.5
35.10μg/m³
PM10
34.58ppb
O3
0.95ppb
SO2
7.12ppb
NO2
1.01ppm
CO
AQI 54
Moderate
11.50μg/m³
PM2.5
46.12μg/m³
PM10
34.16ppb
O3
0.94ppb
SO2
11.97ppb
NO2
1.01ppm
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 09:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in Hassocks, West Sussex was observed at 02:00:00 on 2026-02-11.
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 9.761 μg/m3.
The current PM10 concentration at Hassocks, West Sussex is 20.474 μg/m3.
The current carbon monoxide (CO) concentration at Hassocks, West Sussex is 0.803 ppm.
The current sulfur dioxide (SO2) concentration at Hassocks, West Sussex is 1.021 ppb.
The current ozone (O3) concentration at Hassocks, West Sussex is 32.946 ppm.
The current nitrogen dioxide (NO2) concentration at Hassocks, West Sussex is 4.318 ppb.
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