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)
28
Good
Romsey, Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.07 μg/m³
0
55
155
255
425
605+
30.32 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
2.01 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Romsey, Hampshire
Romsey, Hampshire
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AQI 27
Good
2.90μg/m³
PM2.5
7.63μg/m³
PM10
29.11ppb
O3
0.41ppb
SO2
2.09ppb
NO2
0.12ppm
CO
AQI 28
Good
3.04μg/m³
PM2.5
8.33μg/m³
PM10
29.56ppb
O3
0.44ppb
SO2
1.37ppb
NO2
0.12ppm
CO
AQI 27
Good
2.92μg/m³
PM2.5
7.64μg/m³
PM10
28.75ppb
O3
0.41ppb
SO2
2.33ppb
NO2
0.12ppm
CO
AQI 26
Good
2.95μg/m³
PM2.5
7.73μg/m³
PM10
28.47ppb
O3
0.40ppb
SO2
2.44ppb
NO2
0.12ppm
CO
AQI 26
Good
2.98μg/m³
PM2.5
7.89μg/m³
PM10
28.48ppb
O3
0.40ppb
SO2
2.32ppb
NO2
0.12ppm
CO
AQI 28
Good
2.76μg/m³
PM2.5
7.07μg/m³
PM10
29.89ppb
O3
0.45ppb
SO2
2.46ppb
NO2
0.12ppm
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 10:00:00 on 2026-05-13.
In the last 24 hrs, the best air quality in Romsey, Hampshire was observed at 09:00:00 on 2026-05-14.
The current air quality in Romsey, Hampshire is 28, 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 2.984 μg/m3.
The current PM10 concentration at Romsey, Hampshire is 8.072 μg/m3.
The current carbon monoxide (CO) concentration at Romsey, Hampshire is 0.108 ppm.
The current sulfur dioxide (SO2) concentration at Romsey, Hampshire is 0.427 ppb.
The current ozone (O3) concentration at Romsey, Hampshire is 30.325 ppm.
The current nitrogen dioxide (NO2) concentration at Romsey, Hampshire is 2.006 ppb.
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