Worst air pollution Brønnøysund, today and tomorrow
Today (16 July): Air quality in Brønnøysund is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 22.6/100).
Tomorrow (17 July 2026): Air quality in Brønnøysund is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (O3: 19.2/100). 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.
Brønnøysund is the main coastal town in Brønnøy municipality on the Helgeland coast with the iconic Torghatten mountain, with vehicle traffic and the services and limestone quarrying corridor contributing local sources. Consistent Norwegian Sea maritime breezes provide outstanding coastal ventilation and Brønnøysund generally maintains good to moderate conditions throughout most of the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
22.6/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
5.9/100
O3 (ozone):
Fair
22.6/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
6.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Good
19.2/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Good
19.2/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
5.3/100
Pollen forecast in Brønnøysund
View pollen forecastFrequently Asked Questions
Is air quality bad in Brønnøysund right now?
On 16 July 2026, overall air quality in Brønnøysund is fair. AQI is the main air quality indicator at 22.6/100. Pollution peaks around 4:00 PM (O3: 22.6/100).
Will air quality be worse tomorrow in Brønnøysund?
On 17 July 2026, air quality conditions in Brønnøysund will be better than today, with AQI forecast at good at 19.2/100. Pollution peaks around 12:00 AM (O3: 19.2/100).
When is air pollution at its worst in Brønnøysund?
Brønnøysund's air quality is most affected during the birch pollen peak in late spring, when the birch peak briefly outweighs the otherwise strong dispersal from coastal winds. The exposed coastal position generally restores good ventilation quickly. For the rest of the year, Brønnøysund typically sees consistently good air quality.
Are air quality levels in Brønnøysund 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 Norway?
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