Worst air pollution Nynäshamn, today and tomorrow
Today (16 July): Air quality in Nynäshamn is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 30.1/100).
Tomorrow (17 July 2026): Air quality in Nynäshamn is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 35.8/100). 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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Nynäshamn's air quality readings are typically favourable, with only isolated periods of elevated pollutant levels. Ferry and port logistics represents the area's most notable emission source, alongside routine road traffic through the centre. Winds off the outer Stockholm archipelago generally keep pollutant concentrations from building up for extended periods. These combined factors give Nynäshamn air quality that most residents would consider unremarkable in a good way.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
30.1/100
PM2.5 (fine particles):
Good
19.6/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
18.4/100
O3 (ozone):
Fair
30.1/100
SO2 (sulfur dioxide):
Good
4.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.7/100
PM1 (ultrafine particles):
Good
18.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Fair
35.8/100
PM2.5 (fine particles):
Good
18.7/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
17.5/100
O3 (ozone):
Fair
35.8/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.5/100
PM1 (ultrafine particles):
Good
14.7/100
Pollen forecast in Nynäshamn
View pollen forecastFrequently Asked Questions
Is air quality bad in Nynäshamn right now?
On 16 July 2026, overall air quality in Nynäshamn is fair. AQI is the main air quality indicator at 30.1/100. Pollution peaks around 4:00 PM (O3: 30.1/100).
Will air quality be worse tomorrow in Nynäshamn?
On 17 July 2026, air quality conditions in Nynäshamn will be similar to today, with AQI forecast at fair at 35.8/100. Pollution peaks around 11:00 PM (O3: 35.8/100).
When is air pollution at its worst in Nynäshamn?
When is air quality typically worst in Nynäshamn? The coldest months bring the year's more frequent air quality dips, mostly linked to wood-burning stoves and traffic on still winter days. The changeable spring weather generally keeps pollutant levels lower than in winter, even as pollen becomes more relevant. The year's most consistently good air usually falls in summer, when heating season has ended and ventilation improves. As autumn progresses, damp, still evenings can occasionally trap emissions before winter's more persistent inversions set in. This pattern reflects a fairly classic central Swedish climate, with clear seasonal transitions.
Are air quality levels in Nynäshamn 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