Worst air pollution Vänersborg, today and tomorrow
Today (30 August): Air quality in Vänersborg is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 PM (O3: 27.0/100).
Tomorrow (31 August 2026): Air quality in Vänersborg is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 29.1/100). Airmine updates local air quality forecasts four times daily.
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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 - 30 August | Pollution peaks at 21:00
AQI:
Fair
27.0/100
PM2.5 (fine particles):
Good
5.5/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
11.3/100
O3 (ozone):
Fair
27.0/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
5.1/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 15:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
6.1/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
14.5/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
4.3/100
Pollen forecast in Vänersborg
View pollen forecastFrequently Asked Questions
Is air quality bad in Vänersborg right now?
On 30 August 2026, overall air quality in Vänersborg is fair. AQI is the main air quality indicator at 27.0/100. Pollution peaks around 9:00 PM (O3: 27.0/100).
Will air quality be worse tomorrow in Vänersborg?
On 31 August 2026, air quality conditions in Vänersborg will be similar to today, with AQI forecast at fair at 29.1/100. Pollution peaks around 3:00 PM (O3: 29.1/100).
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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 30 August 2026 at 14:32 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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