Stay updated with real-time air quality in Romsey, 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)
52
Moderate
Romsey, Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.65 μg/m³
0
55
155
255
425
605+
27.98 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
2.35 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Romsey, Hampshire
Romsey, Hampshire
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AQI 23
Good
3.85μg/m³
PM2.5
7.82μg/m³
PM10
24.91ppb
O3
0.47ppb
SO2
3.81ppb
NO2
0.04ppm
CO
AQI 23
Good
3.97μg/m³
PM2.5
7.98μg/m³
PM10
25.27ppb
O3
0.47ppb
SO2
3.40ppb
NO2
0.04ppm
CO
AQI 23
Good
3.83μg/m³
PM2.5
7.79μg/m³
PM10
24.58ppb
O3
0.48ppb
SO2
4.10ppb
NO2
0.04ppm
CO
AQI 22
Good
3.86μg/m³
PM2.5
7.82μg/m³
PM10
24.38ppb
O3
0.48ppb
SO2
4.30ppb
NO2
0.04ppm
CO
AQI 23
Good
3.94μg/m³
PM2.5
7.93μg/m³
PM10
24.55ppb
O3
0.48ppb
SO2
4.21ppb
NO2
0.04ppm
CO
AQI 24
Good
3.63μg/m³
PM2.5
7.83μg/m³
PM10
26.18ppb
O3
0.46ppb
SO2
2.97ppb
NO2
0.04ppm
CO
Air quality data and pollutant measurements for Hampshire, 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 Romsey, Hampshire is updated every hour.
The worst air quality in Romsey, Hampshire in the last 24 hours was observed at 09:00:00 on 2025-07-22.
In the last 24 hrs, the best air quality in Romsey, Hampshire was observed at 12:00:00 on 2025-07-23.
The current air quality in Romsey, Hampshire is 23, categorized as Good based on real-time data.
The most common pollutant in Romsey, Hampshire is O3.
If the air quality in Romsey, Hampshire is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Romsey, Hampshire is 3.83 μg/m3.
The current PM10 concentration at Romsey, Hampshire is 7.846 μg/m3.
The current carbon monoxide (CO) concentration at Romsey, Hampshire is 0.038 ppm.
The current sulfur dioxide (SO2) concentration at Romsey, Hampshire is 0.466 ppb.
The current ozone (O3) concentration at Romsey, Hampshire is 25.465 ppm.
The current nitrogen dioxide (NO2) concentration at Romsey, Hampshire is 3.262 ppb.
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