Decatur Nitrogen Dioxide (NO₂) Level
Illinois, United States
4ppb
Last Updated: 2026-08-02 11:01 (Local Time)
MapDecatur
What is the Current NO₂ Level?
Decatur
The current NO₂ level in Decatur based on the average air quality level across the city is 4 ppb, making it healthy and safe for everyone.
The current NO₂ level in Decatur is 3.3x Below the recommended WHO guideline of 13.29 ppb.
AQI Graph
Historic Air Quality Graph of Nitrogen Dioxide (NO₂)
Decatur
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.Why you should care about Nitrogen Dioxide (NO₂)?
Know More About NO₂ Sensor
Air Quality FAQs
at Decatur
Frequently Asked Questions About Air Quality
1. What is the current NO₂ level in Decatur?
1. What is the current NO₂ level in Decatur?
The current real-time NO₂ level in Decatur is 4ppb (Good). This was last updated 2026-08-02 11:01 (Local Time).
2. When was the best NO₂ level in Decatur in the last 24 hours?
2. When was the best NO₂ level in Decatur in the last 24 hours?
The best NO₂ level was 3 ppb (Good) at 2:01 AM (Local Time) during the last 24 hours.
3. When was the worst NO₂ level in Decatur in the last 24 hours?
3. When was the worst NO₂ level in Decatur in the last 24 hours?
The worst NO₂ level was 6 ppb (Good) at 5:31 PM, Aug 1, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of NO₂ levels in Decatur during last 24 hours?
4. What is the current trend of NO₂ levels in Decatur during last 24 hours?
The NO₂ levels in Decatur remained stable over the last 24 hours as around 4.354166666666667 ppb.
5. What actions are recommended as per the current NO₂ level in Decatur?
5. What actions are recommended as per the current NO₂ level in Decatur?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
