Worst air pollution Vasastaden - Gothenburg, today and tomorrow

Today (20 September): Air quality in Vasastaden is fair. AQI, PM2.5, and PM10 are fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM2.5: 22.1/100).
Tomorrow (21 September 2026): Air quality in Vasastaden is good. AQI improves to good; PM2.5 decreases to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 2:00 AM (O3: 14.8/100). 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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Much like the rest of Gothenburg, Vasastaden sees air quality shaped mainly by nearby traffic rather than any unique local source. The district's newer development with limited mature tree cover have little bearing on air quality itself, which instead follows traffic patterns.

Today - 20 September | Pollution peaks at 09:00

AQI:

Fair

22.1/100

PM2.5 (fine particles):

Fair

22.1/100

PM10 (coarse particles):

Fair

21.2/100

NO2 (nitrogen dioxide):

Good

5.5/100

O3 (ozone):

Good

14.6/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

0.8/100

PM1 (ultrafine particles):

Good

3.1/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 02:00

AQI:

Good

14.8/100

PM2.5 (fine particles):

Good

5.4/100

PM10 (coarse particles):

Good

4.9/100

NO2 (nitrogen dioxide):

Good

13.1/100

O3 (ozone):

Good

14.8/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

1.2/100

PM1 (ultrafine particles):

Good

2.7/100

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Frequently Asked Questions

Is air quality bad in Vasastaden right now?

On 20 September 2026, overall air quality in Vasastaden is fair. AQI is the main air quality indicator at 22.1/100. Pollution peaks around 9:00 AM (PM2.5: 22.1/100).

Will air quality be worse tomorrow in Vasastaden?

On 21 September 2026, air quality conditions in Vasastaden will be better than today, with AQI forecast at good at 14.8/100. Pollution peaks around 2:00 AM (O3: 14.8/100).

When is air pollution at its worst in Vasastaden?

When is air quality typically worst in Vasastaden? Winter brings the greatest risk of short-lived pollution episodes, usually tied to wood-burning combined with a lack of wind. Air quality tends to recover through spring as milder, windier conditions replace the still winter air masses. Summer typically brings the calmest air quality picture, punctuated only rarely by ozone build-up during still, hot weather. Autumn conditions worsen gradually as heating resumes, though not yet to the extent seen during the depths of winter. Being in southern Sweden, temperature swings here are usually less severe, which keeps these seasonal effects fairly moderate.

Are air quality levels in Vasastaden 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.

Want to see air quality forecasts for other cities in Sweden?

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Data provided by Airmine — Last update: 20 September 2026 at 20:27 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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