Worst air pollution Karlskrona, today and tomorrow
Today (16 July): Air quality in Karlskrona is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 19.0/100).
Tomorrow (17 July 2026): Air quality in Karlskrona is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (O3: 28.1/100). 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.
Karlskrona's air quality benefits from its exceptional Baltic Sea archipelago position, with consistent Baltic westerlies providing reliable maritime ventilation across this historic Swedish naval city surrounded by islands. Vehicle traffic on the E22 motorway and the Saab Kockums naval shipbuilding operations contribute local sources, while the open Baltic archipelago geometry and consistent maritime winds generally maintain Karlskrona among southern Sweden's cleaner coastal urban environments throughout most of the year.
Today - 16 July | Pollution peaks at 10:00
AQI:
Good
19.0/100
PM2.5 (fine particles):
Good
6.4/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
5.6/100
PM1 (ultrafine particles):
Good
5.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 22:00
AQI:
Fair
28.1/100
PM2.5 (fine particles):
Good
10.1/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
28.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
8.2/100
Pollen forecast in Karlskrona
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Karlskrona
Frequently Asked Questions
Is air quality bad in Karlskrona right now?
On 16 July 2026, overall air quality in Karlskrona is good. AQI is the main air quality indicator at 19.0/100. Pollution peaks around 10:00 AM (O3: 19.0/100).
Will air quality be worse tomorrow in Karlskrona?
On 17 July 2026, air quality conditions in Karlskrona will be worse than today, with AQI forecast at fair at 28.1/100. Pollution peaks around 10:00 PM (O3: 28.1/100).
When is air pollution at its worst in Karlskrona?
How do the seasons affect air quality in Karlskrona? Air tends to be least fresh in deep winter, when household heating and traffic emissions get trapped under still, cold air masses. By spring, more frequent fronts and wind usually disperse pollutants faster, even as tree pollen becomes the bigger seasonal concern. The warmer months usually see the cleanest air of the year, aided by better ventilation and reduced wood-burning. As the clocks change, so does the air quality pattern, with wood-smoke and calmer nights gradually taking over from summer's cleaner air. The comparatively mild southern Swedish climate means these seasonal swings are usually less pronounced than further north.
Are air quality levels in Karlskrona 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 Sweden?
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