Worst air pollution Vänersborg, today and tomorrow
Today (16 July): Air quality in Vänersborg is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 12:00 PM (O3: 29.9/100).
Tomorrow (17 July 2026): Air quality in Vänersborg is fair. PM2.5 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 39.5/100). 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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Air quality in Vänersborg tends to be favourable for most of the year, consistent with typical Swedish urban conditions. Beyond routine traffic, administration and light industry is the main local factor influencing emission levels here. Proximity to Lake Vänern's southern outlet provides a natural ventilation effect, helping disperse pollutants during most weather conditions. For residents of Vänersborg, day-to-day air quality is rarely a significant concern given these factors.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
29.9/100
PM2.5 (fine particles):
Fair
20.9/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Fair
28.4/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.5/100
PM1 (ultrafine particles):
Fair
22.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Fair
39.5/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Fair
39.5/100
O3 (ozone):
Fair
36.2/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
9.1/100
Pollen forecast in Vänersborg
View pollen forecastFrequently Asked Questions
Is air quality bad in Vänersborg right now?
On 16 July 2026, overall air quality in Vänersborg is fair. AQI is the main air quality indicator at 29.9/100. Pollution peaks around 12:00 PM (O3: 29.9/100).
Will air quality be worse tomorrow in Vänersborg?
On 17 July 2026, air quality conditions in Vänersborg will be similar to today, with AQI forecast at fair at 39.5/100. Pollution peaks around 6:00 AM (NO2: 39.5/100).
When is air pollution at its worst in Vänersborg?
When is air quality typically worst in Vänersborg? December through February is when conditions are most likely to dip, driven by inversions that hold wood-smoke and exhaust close to the ground on windless days. As spring arrives, increasing wind speeds generally help clear the air faster than in the calmer winter months. Summer usually offers the most consistently good air quality, since heating-related emissions drop away almost entirely. Conditions gradually shift through autumn, with cooling temperatures reviving wood-burning and calmer nights allowing brief local build-ups. This is a fairly standard seasonal pattern for central Sweden, with a well-defined winter and summer.
Are air quality levels in Vänersborg 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