Worst air pollution Eastleigh, today and tomorrow
Today (16 July): Air quality in Eastleigh is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 29.1/100).
Tomorrow (17 July 2026): Air quality in Eastleigh is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 37.1/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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The nearby A82 corridor contributes steady vehicle emissions that affect roadside readings. Eastleigh sits within Hampshire, and its air quality profile is driven mainly by road traffic and the density of the centre. The region's typical south-westerlies help ventilate the town centre, keeping air quality at moderate levels typical for the region.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
18.3/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 20:00
AQI:
Fair
37.1/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Fair
37.1/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
12.9/100
Pollen forecast in Eastleigh
View pollen forecastFrequently Asked Questions
Is air quality bad in Eastleigh right now?
On 16 July 2026, overall air quality in Eastleigh is fair. AQI is the main air quality indicator at 29.1/100. Pollution peaks around 5:00 PM (O3: 29.1/100).
Will air quality be worse tomorrow in Eastleigh?
On 17 July 2026, air quality conditions in Eastleigh will be similar to today, with AQI forecast at fair at 37.1/100. Pollution peaks around 8:00 PM (NO2: 37.1/100).
When is air pollution at its worst in Eastleigh?
If you're tracking air quality in Eastleigh, expect it to move around quite a bit through the year. By summer, ozone tends to rise on bright days, while better ventilation generally keeps particulate and NO₂ levels lower than winter. Once the heating goes on and the air turns still, pollution from the A82 and nearby chimneys tends to build up rather than clear. Spring and autumn are typically the easiest months, air-quality-wise, for most residents.
Are air quality levels in Eastleigh based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app