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)
38
Good
Romsey, Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.23 μg/m³
0
55
155
255
425
605+
23.99 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
8.65 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Romsey, Hampshire
Romsey, Hampshire
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AQI 38
Good
7.46μg/m³
PM2.5
16.52μg/m³
PM10
19.25ppb
O3
0.48ppb
SO2
19.95ppb
NO2
0.18ppm
CO
AQI 38
Good
7.20μg/m³
PM2.5
16.89μg/m³
PM10
22.27ppb
O3
0.60ppb
SO2
27.94ppb
NO2
0.19ppm
CO
AQI 44
Good
7.64μg/m³
PM2.5
16.94μg/m³
PM10
18.13ppb
O3
0.45ppb
SO2
18.16ppb
NO2
0.18ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
17.32μg/m³
PM10
17.32ppb
O3
0.43ppb
SO2
17.81ppb
NO2
0.18ppm
CO
AQI 44
Good
7.75μg/m³
PM2.5
17.41μg/m³
PM10
16.94ppb
O3
0.44ppb
SO2
19.50ppb
NO2
0.18ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
16.13μg/m³
PM10
21.74ppb
O3
0.39ppb
SO2
16.80ppb
NO2
0.17ppm
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 2025-11-05.
In the last 24 hrs, the best air quality in Romsey, Hampshire was observed at 11:00:00 on 2025-11-04.
The current air quality in Romsey, Hampshire is 38, 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 7.261 μg/m3.
The current PM10 concentration at Romsey, Hampshire is 17.237 μg/m3.
The current carbon monoxide (CO) concentration at Romsey, Hampshire is 0.221 ppm.
The current sulfur dioxide (SO2) concentration at Romsey, Hampshire is 0.611 ppb.
The current ozone (O3) concentration at Romsey, Hampshire is 20.655 ppm.
The current nitrogen dioxide (NO2) concentration at Romsey, Hampshire is 21.039 ppb.
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