Live
Ostfold Nitrogen Dioxide (NO2) Level
Norway
See Air Quality ofOstfold
Ostfold
Good
040
Moderate
80
Poor
180
Unhealthy
190
Severe
400
Hazardous
500+
Download 2024 Annual Data
World Air Quality Report

Do you know NO2 can create impaired atmospheric visibility can increase atmospheric heat? It happens as its concentrations absorb the visible radiation in the atmosphere.
Most Polluted Cities 2026
Norway
Analyze the real-time most air polluted cities in the country.
Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityNO2NO2 StatusFollow
Standard Value
1.
Stavanger, Rogaland
Good
2xbelow Standard
2.
Tromso, Troms
Good
2xbelow Standard
3.
Alesund, More Og Romsdal
Good
3xbelow Standard
4.
Skien, Telemark
Good
3xbelow Standard
5.
Bergen, Hordaland
Good
3xbelow Standard
6.
Kristiansand, Vest Agder
Good
3xbelow Standard
7.
Lillehammer, Oppland
Good
7xbelow Standard
8.
Drammen, Buskerud
Good
7xbelow Standard
9.
Oslo, Oslo
Good
7xbelow Standard
10.
Sarpsborg, Ostfold
Good
7xbelow Standard
Last Updated: 12 Mar 2026, 11:18 PM
AQI City RankingsUncovering the Sources of Nitrogen Dioxide (NO2): Where Does It Come From?
Explosives and welding
Release during high-temperature processes.Lighting
Emissions from certain types of lighting.Power-generating plants
Emissions from fossil fuels burning for electricity.Road traffic
Overall contributions from vehicles on the road.Motor vehicles
Exhaust gases from cars and trucks.Short-Term NO2 Exposure Impacts

Coughing
Regular cough due to airways irritations.
Wheezing
More whistling sound while breathing,
Difficulty in breathing
Shortness of breath and reduced lung function.
Reduce smelling ability
Decreased sense of smell due to irritation.Why you should care about Nitrogen Dioxide (NO2)?
Know More About NO2 Sensor