Worst air pollution Toompea Castle - Tallinn, today and tomorrow
Today (16 July): Air quality in Toompea Castle is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 19.0/100).
Tomorrow (17 July 2026): Air quality in Toompea Castle is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 20.7/100). 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
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Within Tallinn, Toompea Castle sees air quality driven mainly by vehicle traffic and visitor footfall around the landmark. Conditions generally follow the broader Tallinn pattern, though the district's own street layout and building density shift local exposure somewhat.
Today - 16 July | Pollution peaks at 14:00
AQI:
Good
19.0/100
PM2.5 (fine particles):
Good
8.0/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
6.8/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
9.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
20.7/100
PM2.5 (fine particles):
Good
5.8/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
8.1/100
O3 (ozone):
Fair
20.7/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
7.5/100
Other Landmarks in Tallinn
Frequently Asked Questions
Is air quality bad in Toompea Castle right now?
On 16 July 2026, overall air quality in Toompea Castle is good. AQI is the main air quality indicator at 19.0/100. Pollution peaks around 2:00 PM (O3: 19.0/100).
Will air quality be worse tomorrow in Toompea Castle?
On 17 July 2026, air quality conditions in Toompea Castle will be worse than today, with AQI forecast at fair at 20.7/100. Pollution peaks around 3:00 PM (O3: 20.7/100).
When is air pollution at its worst in Toompea Castle?
People in Toompea Castle tend to notice worse air when birch and alder pollen is high or because of vehicle traffic and visitor footfall around the landmark, following the same pattern as Tallinn overall; clearer conditions usually return once the weather shifts.
Are air quality levels in Toompea Castle 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