Worst air pollution Hudiksvall, today and tomorrow

Today (30 August): Air quality in Hudiksvall is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 27.6/100).
Tomorrow (31 August 2026): Air quality in Hudiksvall is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (O3: 25.5/100). Airmine updates local air quality forecasts four times daily.

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Hudiksvall typically records air quality in the good-to-moderate range, consistent with similar Swedish towns. The area's emissions profile is shaped chiefly by forestry and light industry alongside typical urban road traffic. The area benefits from air movement associated with the Bothnian Sea archipelago, which limits how long pollutants linger locally. The net effect is that Hudiksvall experiences air quality broadly consistent with comparable Swedish towns.

Today - 30 August | Pollution peaks at 15:00

AQI:

Fair

27.6/100

PM2.5 (fine particles):

Good

3.9/100

PM10 (coarse particles):

Good

1.1/100

NO2 (nitrogen dioxide):

Good

2.5/100

O3 (ozone):

Fair

27.6/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.2/100

PM1 (ultrafine particles):

Good

5.0/100

Levels show the poorest local air quality during the day

Tomorrow - 31 August | Pollution peaks at 16:00

AQI:

Fair

25.5/100

PM2.5 (fine particles):

Good

3.7/100

PM10 (coarse particles):

Good

1.0/100

NO2 (nitrogen dioxide):

Good

5.2/100

O3 (ozone):

Fair

25.5/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.7/100

PM1 (ultrafine particles):

Good

4.7/100

Pollen forecast in Hudiksvall

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Frequently Asked Questions

Is air quality bad in Hudiksvall right now?

On 30 August 2026, overall air quality in Hudiksvall is fair. AQI is the main air quality indicator at 27.6/100. Pollution peaks around 3:00 PM (O3: 27.6/100).

Will air quality be worse tomorrow in Hudiksvall?

On 31 August 2026, air quality conditions in Hudiksvall will be similar to today, with AQI forecast at fair at 25.5/100. Pollution peaks around 4:00 PM (O3: 25.5/100).

When is air pollution at its worst in Hudiksvall?

When is air quality typically worst in Hudiksvall? Winter brings the greatest risk of short-lived pollution episodes, usually tied to wood-burning combined with a lack of wind. Spring typically sees fewer stagnant-air episodes, as more frequent wind and rain help disperse local emissions. 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. This pattern reflects a fairly classic central Swedish climate, with clear seasonal transitions.

Are air quality levels in Hudiksvall 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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