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)
33
Good
Romsey, Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.54 μg/m³
0
55
155
255
425
605+
28.09 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
5.55 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Romsey, Hampshire
Romsey, Hampshire
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AQI 33
Good
6.33μg/m³
PM2.5
11.62μg/m³
PM10
26.29ppb
O3
0.64ppb
SO2
5.30ppb
NO2
0.24ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
11.98μg/m³
PM10
28.07ppb
O3
0.58ppb
SO2
6.78ppb
NO2
0.25ppm
CO
AQI 38
Good
6.50μg/m³
PM2.5
12.02μg/m³
PM10
25.54ppb
O3
0.67ppb
SO2
5.11ppb
NO2
0.24ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
12.36μg/m³
PM10
25.01ppb
O3
0.69ppb
SO2
5.09ppb
NO2
0.24ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
12.43μg/m³
PM10
24.90ppb
O3
0.70ppb
SO2
5.10ppb
NO2
0.24ppm
CO
AQI 33
Good
5.72μg/m³
PM2.5
10.15μg/m³
PM10
24.67ppb
O3
0.55ppb
SO2
4.79ppb
NO2
0.23ppm
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 08:00:00 on 2025-12-08.
In the last 24 hrs, the best air quality in Romsey, Hampshire was observed at 05:00:00 on 2025-12-09.
The current air quality in Romsey, Hampshire is 33, categorized as Good based on real-time data.
The most common pollutant in Romsey, Hampshire is PM2.5.
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 6.136 μg/m3.
The current PM10 concentration at Romsey, Hampshire is 12.542 μg/m3.
The current carbon monoxide (CO) concentration at Romsey, Hampshire is 0.248 ppm.
The current sulfur dioxide (SO2) concentration at Romsey, Hampshire is 0.575 ppb.
The current ozone (O3) concentration at Romsey, Hampshire is 28.095 ppm.
The current nitrogen dioxide (NO2) concentration at Romsey, Hampshire is 5.551 ppb.
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