Highest air pollution Hampstead Heath - London, today and tomorrow
Today (25 June): Air quality in Hampstead Heath is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 64.8/100).
Tomorrow (26 June 2026): Air quality in Hampstead Heath is poor. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 63.5/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Air quality in Hampstead Heath benefits from elevated terrain and open green space in north London, allowing for better airflow than in lower-lying urban areas. Conditions are influenced by pollution from surrounding parts of London and the wider southeast England region.
Today - 25 June | Pollution peaks at 15:00
AQI:
Poor
64.8/100
PM2.5 (fine particles):
Good
8.5/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Poor
64.8/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Good
7.0/100
Levels show the poorest local air quality during the day
Tomorrow - 26 June | Pollution peaks at 12:00
AQI:
Poor
63.5/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Poor
63.5/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.4/100
PM1 (ultrafine particles):
Good
7.2/100
Other Landmarks in London
Frequently Asked Questions
Is air quality bad in Hampstead Heath right now?
On 25 June 2026, overall air quality in Hampstead Heath is poor. AQI is the main air quality indicator at 64.8/100. Pollution peaks around 3:00 PM (O3: 64.8/100).
Will air quality be worse tomorrow in Hampstead Heath?
On 26 June 2026, air quality conditions in Hampstead Heath will be similar to today, with AQI forecast at poor at 63.5/100. Pollution peaks around 12:00 PM (O3: 63.5/100).
When is air pollution at its highest in Hampstead Heath?
Air pollution in Hampstead Heath can increase when emissions from across London drift into the area, particularly during busy periods and when wind is limited. Despite its elevation, calm conditions can still allow pollutants to accumulate.
Are air quality levels in Hampstead Heath 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: 25 June 2026 at 09:02 CET (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
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team