Worst air pollution Strömstad, today and tomorrow
Today (16 July): Air quality in Strömstad 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: 33.2/100).
Tomorrow (17 July 2026): Air quality in Strömstad is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 33.4/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Strömstad's air quality is generally good by Swedish and European standards, with only occasional local peaks in pollutant levels. Fishing and cross-border retail, together with ordinary road traffic, accounts for most of the area's local emissions. Because of its position near the rocky Bohuslän archipelago, the area rarely sees pollutants linger for more than a day or two. In practice, Strömstad rarely sees air quality readings that stand out from the Swedish norm.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
33.2/100
PM2.5 (fine particles):
Good
11.8/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
18.8/100
O3 (ozone):
Fair
33.2/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.1/100
PM1 (ultrafine particles):
Good
11.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
33.4/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Fair
24.7/100
O3 (ozone):
Fair
33.4/100
SO2 (sulfur dioxide):
Good
3.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
9.0/100
Pollen forecast in Strömstad
View pollen forecastFrequently Asked Questions
Is air quality bad in Strömstad right now?
On 16 July 2026, overall air quality in Strömstad is fair. AQI is the main air quality indicator at 33.2/100. Pollution peaks around 4:00 PM (O3: 33.2/100).
Will air quality be worse tomorrow in Strömstad?
On 17 July 2026, air quality conditions in Strömstad will be similar to today, with AQI forecast at fair at 33.4/100. Pollution peaks around 3:00 PM (O3: 33.4/100).
When is air pollution at its worst in Strömstad?
How does air quality change throughout the year in Strömstad? The coldest months bring the year's more frequent air quality dips, mostly linked to wood-burning stoves and traffic on still winter days. The changeable spring weather generally keeps pollutant levels lower than in winter, even as pollen becomes more relevant. Warm-season conditions are generally the most favourable of the year, with wood-burning emissions largely absent. By October and November, cooling air and calmer evenings start to mirror the patterns that intensify further in winter. This pattern is fairly typical for central Sweden, where all four seasons are clearly distinct.
Are air quality levels in Strömstad 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?
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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