Worst air pollution Leith & Portobello - Edinburgh, today and tomorrow
Today (16 July): Air quality in Leith & Portobello is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 29.4/100).
Tomorrow (17 July 2026): Air quality in Leith & Portobello is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 24.7/100). 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
Use our Strava plugin to check your own exposure.
Emissions along the A90 represent the town's main traffic-related pollution source. Being part of Edinburgh, City of, Leith & Portobello sees an air quality profile that's largely down to traffic and general town-centre activity. The prevailing Atlantic airflow do most of the work keeping things in check, more so than any local policy or infrastructure change.
Today - 16 July | Pollution peaks at 19:00
AQI:
Fair
29.4/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Good
0.9/100
O3 (ozone):
Fair
29.4/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
11.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Fair
24.7/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Good
1.8/100
O3 (ozone):
Fair
24.7/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
8.9/100
Other Landmarks in Edinburgh
Sports venues in Edinburgh
Frequently Asked Questions
Is air quality bad in Leith & Portobello right now?
On 16 July 2026, overall air quality in Leith & Portobello is fair. AQI is the main air quality indicator at 29.4/100. Pollution peaks around 7:00 PM (O3: 29.4/100).
Will air quality be worse tomorrow in Leith & Portobello?
On 17 July 2026, air quality conditions in Leith & Portobello will be similar to today, with AQI forecast at fair at 24.7/100. Pollution peaks around 12:00 AM (O3: 24.7/100).
When is air pollution at its worst in Leith & Portobello?
Seasons make a real difference to air quality in Leith & Portobello, more than most people realise. Warmer months swap one problem for another — less smoke and heating pollution, but more ozone on the sunniest days. Through the colder months, readings near the A90 often rise, since chimney smoke and stagnant air stop pollutants clearing away. Spring and autumn usually sit somewhere in between, so it's really the extremes of the year worth watching.
Are air quality levels in Leith & Portobello 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.
Want to see air quality forecasts for other cities in United Kingdom?
Check air quality in other popular cities:
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