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
7.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.45 μg/m³
0
55
155
255
425
605+
27.95 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
6.26 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Romsey, Hampshire
Romsey, Hampshire
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AQI 44
Good
8.23μg/m³
PM2.5
16.18μg/m³
PM10
26.86ppb
O3
0.38ppb
SO2
8.07ppb
NO2
0.14ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
17.56μg/m³
PM10
26.93ppb
O3
0.43ppb
SO2
7.96ppb
NO2
0.14ppm
CO
AQI 44
Good
8.41μg/m³
PM2.5
16.57μg/m³
PM10
26.12ppb
O3
0.37ppb
SO2
8.78ppb
NO2
0.14ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
16.70μg/m³
PM10
26.13ppb
O3
0.39ppb
SO2
8.70ppb
NO2
0.14ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
17.75μg/m³
PM10
26.58ppb
O3
0.57ppb
SO2
8.78ppb
NO2
0.14ppm
CO
AQI 38
Good
7.21μg/m³
PM2.5
14.84μg/m³
PM10
27.49ppb
O3
0.36ppb
SO2
7.26ppb
NO2
0.14ppm
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 11:00:00 on 2025-12-27.
In the last 24 hrs, the best air quality in Romsey, Hampshire was observed at 05:00:00 on 2025-12-28.
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 7.114 μg/m3.
The current PM10 concentration at Romsey, Hampshire is 15.446 μg/m3.
The current carbon monoxide (CO) concentration at Romsey, Hampshire is 0.136 ppm.
The current sulfur dioxide (SO2) concentration at Romsey, Hampshire is 0.323 ppb.
The current ozone (O3) concentration at Romsey, Hampshire is 27.949 ppm.
The current nitrogen dioxide (NO2) concentration at Romsey, Hampshire is 6.259 ppb.
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