What is the Current NO2 Level?
Zanjan
The current NO2 level in Zanjan based on the average air quality level across the city is 42 ppb making it acceptable, but sensitive individuals should be cautious.
The current NO2 level in Zanjan is 3.16x Above the recommended WHO guideline of 13.29 ppb.
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AQI Graph
Historical Air Quality Data
Zanjan
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.
Uncovering 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.Health Advice Based on Current NO2 Level In
Zanjan
Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.
Recommendations by 
NO2 Monitor
Track real-time NO2 with the utmost air quality monitor.
NO2 Sensor
Keep safe and stay aware about the NO2 level in your area.
Car Filter
Trap particles before they enter your vehicle, ensuring a safe and healthy ride.
N95 Mask
Protect yourself from harmful airborne particles by wearing an N95 mask.
Why you should care about Nitrogen Dioxide (NO2)?
Air Quality FAQs
at Zanjan
Frequently Asked Questions About Air Quality
What is the current NO2 level in Zanjan?
The current real-time NO2 level in Zanjan is 42 ppb (Moderate). This was last updated 2025-06-11 11:54:14 PM (Local Time).
When was the best NO2 level in Zanjan in the last 24 hours?
The best NO2 level was 22 ppb (Good) at 1:09 PM (Local Time) during the last 24 hours.
When was the worst NO2 level in Zanjan in the last 24 hours?
The worst NO2 level was 48 ppb (Moderate) at 7:09 AM (Local Time) during the last 24 hours.
What is the current trend of NO2 levels in Zanjan during last 24 hours?
The NO2 levels in Zanjan have been fluctuating throughout the last 24 hours. The levels have increased by highest 48 ppb at 7:09 AM (Local Time), lowest 22 ppb at 1:09 PM (Local Time).
What actions are recommended as per the current NO2 level in Zanjan?
Current NO2 levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.