Worst air pollution Alexander Nevsky Cathedral - Sofia, today and tomorrow
Today (16 July): Air quality in Alexander Nevsky Cathedral is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (NO2: 40.1/100).
Tomorrow (17 July 2026): Air quality in Alexander Nevsky Cathedral is fair. AQI worsens to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 37.2/100). 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.
Within Sofia, Alexander Nevsky Cathedral sees air quality driven mainly by vehicle traffic and visitor footfall around the landmark. Conditions generally follow the broader Sofia pattern, though the district's own street layout and building density shift local exposure somewhat.
Today - 16 July | Pollution peaks at 01:00
AQI:
Medium
40.1/100
PM2.5 (fine particles):
Good
10.6/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Medium
40.1/100
O3 (ozone):
Fair
35.4/100
SO2 (sulfur dioxide):
Good
5.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.1/100
PM1 (ultrafine particles):
Good
14.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
37.2/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Fair
34.9/100
O3 (ozone):
Fair
37.2/100
SO2 (sulfur dioxide):
Good
4.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.8/100
PM1 (ultrafine particles):
Good
12.9/100
Other Landmarks in Sofia
Sports venues in Sofia
Frequently Asked Questions
Is air quality bad in Alexander Nevsky Cathedral right now?
On 16 July 2026, overall air quality in Alexander Nevsky Cathedral is fair. O3 is the main pollutant at 35.4/100. Pollution peaks around 1:00 AM (NO2: 40.1/100).
Will air quality be worse tomorrow in Alexander Nevsky Cathedral?
On 17 July 2026, air quality conditions in Alexander Nevsky Cathedral will be similar to today, with AQI forecast at fair at 37.2/100. Pollution peaks around 1:00 PM (O3: 37.2/100).
When is air pollution at its worst in Alexander Nevsky Cathedral?
Alexander Nevsky Cathedral sees its worst air quality alongside birch and oak pollen peaks and vehicle traffic and visitor footfall around the landmark, mirroring the pattern across Sofia; things typically clear up once the weather turns more active.
Are air quality levels in Alexander Nevsky Cathedral 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 Bulgaria?
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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