Worst air pollution Halmstad, today and tomorrow
Today (16 July): Air quality in Halmstad is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (NO2: 42.1/100).
Tomorrow (17 July 2026): Air quality in Halmstad is fair. All pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 46.5/100). 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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Halmstad's air quality benefits from its Kattegat coastal position in Halland County, with consistent North Sea and Kattegat westerlies providing reliable maritime ventilation along the Swedish west coast. Vehicle traffic on the E6 motorway and surrounding manufacturing and logistics industry contribute local sources, while the flat Halland coastal plain and open water fetch generally maintain Halmstad among southwestern Sweden's more moderate urban environments throughout most of the year.
Today - 16 July | Pollution peaks at 06:00
AQI:
Medium
42.1/100
PM2.5 (fine particles):
Good
14.6/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Medium
42.1/100
O3 (ozone):
Fair
30.4/100
SO2 (sulfur dioxide):
Good
5.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
13.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Medium
46.5/100
PM2.5 (fine particles):
Good
12.9/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Medium
46.5/100
O3 (ozone):
Fair
23.1/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
15.6/100
Pollen forecast in Halmstad
View pollen forecastFrequently Asked Questions
Is air quality bad in Halmstad right now?
On 16 July 2026, overall air quality in Halmstad is fair. O3 is the main pollutant at 30.4/100. Pollution peaks around 6:00 AM (NO2: 42.1/100).
Will air quality be worse tomorrow in Halmstad?
On 17 July 2026, air quality conditions in Halmstad will be similar to today, with O3 forecast at fair at 23.1/100. Pollution peaks around 6:00 AM (NO2: 46.5/100).
When is air pollution at its worst in Halmstad?
Does air quality in Halmstad vary by season? The year's lowest points for air quality usually fall in midwinter, when calm and cold conditions allow pollutants to linger near ground level. The changeable spring weather generally keeps pollutant levels lower than in winter, even as pollen becomes more relevant. Summer tends to be the most favourable season, though occasional hot, windless spells can allow ozone to build up locally. The transition into autumn typically brings a slow return of the wood-smoke and calm-air conditions that peak in winter. Because the season is milder here than further north, these swings tend to be somewhat less extreme.
Are air quality levels in Halmstad 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.
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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