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)
49
Good
Horndean, Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.35 μg/m³
0
55
155
255
425
605+
31.99 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
11.79 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Horndean, Hampshire
Horndean, Hampshire
Scroll To Air Quality MapLoading...
AQI 49
Good
9.34μg/m³
PM2.5
16.33μg/m³
PM10
32.13ppb
O3
0.60ppb
SO2
11.71ppb
NO2
0.27ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
16.32μg/m³
PM10
32.29ppb
O3
0.60ppb
SO2
11.67ppb
NO2
0.27ppm
CO
AQI 49
Good
9.41μg/m³
PM2.5
16.36μg/m³
PM10
32.28ppb
O3
0.65ppb
SO2
7.07ppb
NO2
0.27ppm
CO
AQI 52
Moderate
9.56μg/m³
PM2.5
16.82μg/m³
PM10
32.89ppb
O3
0.65ppb
SO2
4.64ppb
NO2
0.27ppm
CO
AQI 49
Good
9.44μg/m³
PM2.5
16.46μg/m³
PM10
32.16ppb
O3
0.61ppb
SO2
12.07ppb
NO2
0.27ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
16.61μg/m³
PM10
31.27ppb
O3
0.58ppb
SO2
12.59ppb
NO2
0.27ppm
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 10:00:00 on 2025-06-13.
In the last 24 hours, the best air quality in Horndean, Hampshire was observed at 04:00:00 on 2025-06-14.
As of now, the AQI in Horndean, Hampshire is 49, indicating Good conditions.
Horndean, Hampshire air has the highest levels of PM2.5.
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 9.37 μg/m3.
The PM10 concentration in Horndean, Hampshire is 16.351 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horndean, Hampshire is 0.266 ppm.
Currently, Horndean, Hampshire has a sulfur dioxide (SO2) concentration of 0.595 ppb.
The current ozone (O3) level in Horndean, Hampshire at the moment is 31.994 ppm.
Nitrogen dioxide (NO2) level in Horndean, Hampshire at the moment is 11.795 ppb.
All Rights Reserved © Ambee Inc. 2025