Old County Nitrogen Dioxide (NO₂) Level
Romania
See Air Quality ofOld County
MapOld County
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
Romania
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Constanta, Constanta
Good
1xabove Standard
2.
Drobeta Turnu Severin, Mehedinti
Good
1xabove Standard
3.
Navodari, Constanta
Good
1xbelow Standard
4.
Arad, Arad
Good
1xbelow Standard
5.
Marasesti, Vrancea
Good
1xbelow Standard
6.
Bacau, Bacu
Good
1xbelow Standard
7.
Panciu, Vrancea
Good
2xbelow Standard
8.
Braila, Brila
Good
2xbelow Standard
9.
Copsa Mica, Sibiu
Good
2xbelow Standard
10.
Otelu Rosu, Caras Severin
Good
2xbelow Standard
Last Updated: 22 Jul 2026, 01:33 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
