Stay updated with real-time air quality in Horndean, Hampshire 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)
29
Good
Horndean, Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.93 μg/m³
0
55
155
255
425
605+
31.49 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
3.99 ppb
0
54
101
361
1250
2050+
0.03 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Horndean, Hampshire
Horndean, Hampshire
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AQI 29
Good
3.57μg/m³
PM2.5
7.88μg/m³
PM10
30.76ppb
O3
0.51ppb
SO2
3.35ppb
NO2
0.03ppm
CO
AQI 29
Good
3.57μg/m³
PM2.5
7.87μg/m³
PM10
30.79ppb
O3
0.51ppb
SO2
3.23ppb
NO2
0.03ppm
CO
AQI 28
Good
3.64μg/m³
PM2.5
9.01μg/m³
PM10
30.23ppb
O3
0.54ppb
SO2
8.41ppb
NO2
0.03ppm
CO
AQI 31
Good
4.10μg/m³
PM2.5
8.55μg/m³
PM10
33.09ppb
O3
0.54ppb
SO2
6.35ppb
NO2
0.03ppm
CO
AQI 29
Good
3.61μg/m³
PM2.5
8.07μg/m³
PM10
30.74ppb
O3
0.51ppb
SO2
3.81ppb
NO2
0.03ppm
CO
AQI 29
Good
3.70μg/m³
PM2.5
8.37μg/m³
PM10
30.58ppb
O3
0.50ppb
SO2
5.22ppb
NO2
0.03ppm
CO
Air quality and pollutant data for Hampshire, 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 Horndean, Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Horndean, Hampshire was at its worst at 08:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Horndean, Hampshire was observed at 09:00:00 on 2025-06-06.
As of now, the AQI in Horndean, Hampshire is 29, indicating Good conditions.
Horndean, Hampshire air has the highest levels of O3.
Poor air quality in Horndean, Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Horndean, Hampshire are currently 3.562 μg/m3.
The PM10 concentration in Horndean, Hampshire is 7.927 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horndean, Hampshire is 0.03 ppm.
Currently, Horndean, Hampshire has a sulfur dioxide (SO2) concentration of 0.641 ppb.
The current ozone (O3) level in Horndean, Hampshire at the moment is 31.491 ppm.
Nitrogen dioxide (NO2) level in Horndean, Hampshire at the moment is 3.987 ppb.
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