Hokkaido Nitrogen Dioxide (NO₂) Level
Japan
See Air Quality ofHokkaido
Hokkaido
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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
Japan
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Tsurugashima, Saitama
Good
1xbelow Standard
2.
Higashi Matsuyama, Saitama
Good
1xbelow Standard
3.
Akita, Akita
Good
1xbelow Standard
4.
Kumagaya, Saitama
Good
1xbelow Standard
5.
Sakurazuka, Osaka
Good
2xbelow Standard
6.
Sagamihara, Kanagawa
Good
2xbelow Standard
7.
Matsuyama, Ehime
Good
2xbelow Standard
8.
Fukayacho, Saitama
Good
2xbelow Standard
9.
Aioi, Hyogo
Good
2xbelow Standard
10.
Wakayama, Wakayama
Good
2xbelow Standard
Last Updated: 03 Jun 2026, 10:21 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