What is the Current NO2 Level?
Semarang
The current NO2 level in Semarang based on the average air quality level across the city is 49 ppb making it acceptable, but sensitive individuals should be cautious.
The current NO2 level in Semarang is 3.69x Above the recommended WHO guideline of 13.29 ppb.
Trending in Indonesia
Big News: AQI App is Now on Apple Watch!
How Air Pollution Fuels COPD—and What You Can Do About It?
The Mask Returns: COVID Cases Spike in Singapore, Hong Kong, and India
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective
Methane Emissions from Delhi’s Landfills: An Invisible Threat
-or-pm2.5.webp)
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?
The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?
IS AIR POLLUTION SOLELY OUR FAULT? DEBUNKING THE MYTH WITH HARD TRUTH
From Smog to Songbirds: How the U.S. Clean Air Act Cleared the Skies
Two Worlds, One Breath: World Asthma Day 2025 and the Link Between Air Pollution and Asthma
.jpg)
Case Study : How Prana Air Helped the American School of Bombay in Improving Air Quality?
AQI Graph
Historical Air Quality Data
Semarang
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
Semarang
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 Semarang
Frequently Asked Questions About Air Quality
What is the current NO2 level in Semarang?
The current real-time NO2 level in Semarang is 49 ppb (Moderate). This was last updated 2025-06-02 07:25:03 AM (Local Time).
When was the best NO2 level in Semarang in the last 24 hours?
The best NO2 level was 23 ppb (Good) at 12:10 AM, Jun 2, 2025 (Local Time) during the last 24 hours.
When was the worst NO2 level in Semarang in the last 24 hours?
The worst NO2 level was 50 ppb (Moderate) at 2:09 AM, Jun 2, 2025 (Local Time) during the last 24 hours.
What is the current trend of NO2 levels in Semarang during last 24 hours?
The NO2 levels in Semarang have been fluctuating throughout the last 24 hours. The levels have increased by highest 50 ppb at 2:09 AM, Jun 2, 2025 (Local Time), lowest 23 ppb at 12:10 AM, Jun 2, 2025 (Local Time).
What actions are recommended as per the current NO2 level in Semarang?
Current NO2 levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.