Varna Carbon Monoxide (CO) Level
Bulgaria

776ppb
Last Updated: 2025-11-26 11:46:04 PM (Local Time)

Varna
What is the Current CO Level?
Varna
The current CO level based on average air quality data in Varna is 776 ppb, making it healthy and safe for everyone.
The current CO level in Varna is 4.4x Below the recommended WHO guideline of 3490 ppb.
AQI Graph
Historical Air Quality Data
Varna
Download 2024 Annual Data
World Air Quality Report

Do you know CO emissions in the atmosphere can affect the greenhouse gas level? It is because CO emission causes global and climate changes in the atmosphere by increasing or changing the sea and land temperatures. It makes changes in ecosystems and storm activity and affects other weather events..
Uncovering the Sources of Carbon Monoxide (CO): Where Does It Come From?
Biomass burning
Burning wood, crop residues, and organic materials.Power plants
Emissions from burning fossil fuels in power plants.Fireplaces
Emissions from burning wood or coal in fireplaces.Road traffic
Overall contributions from vehicles exhaust.Vehicles engines
Exhaust emissions from cars and trucks.Short-Term CO Exposure Impacts

Fatigue
Feeling tiredness or lack of energy.
Chest pain
Discomfort or pain in the chest area.
Confusion
Frequent difficulty in thinking clearly.
Flu-like symptoms
Symptoms like headache and nausea.
Weakness
Frequent weakness or lack of strength.Why you should care about Carbon Monoxide (CO)?
Know More About CO Sensor
Air Quality FAQs
at Varna
Frequently Asked Questions About Air Quality
What is the current CO level in Varna?
The current real-time CO level in Varna is 776 ppb (Good). This was last updated 2025-11-26 11:46:04 PM (Local Time).
When was the best CO level in Varna in the last 24 hours?
The best CO level was 344 ppb (Good) at 2:04 PM (Local Time) during the last 24 hours.
When was the worst CO level in Varna in the last 24 hours?
The worst CO level was 921 ppb (Good) at 11:52 PM, Nov 25, 2025 (Local Time) during the last 24 hours.
What is the current trend of CO levels in Varna during last 24 hours?
The CO levels in Varna have been fluctuating throughout the last 24 hours. The levels have increased by highest 921 ppb at 11:52 PM, Nov 25, 2025 (Local Time), lowest 344 ppb at 2:04 PM (Local Time).
What actions are recommended as per the current CO level in Varna?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.


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