Paris 1Er Les Halles Carbon Monoxide (CO) Level
Paris, Ile De France, France
146ppb
Last Updated: 2026-07-14 22:41:01 (Local Time)

Paris 1Er Les Halles
What is the Current CO Level?
Paris 1Er Les Halles
The current CO level at Paris 1Er Les Halles is 146 ppb making it healthy and safe for everyone in the area.
The current CO level in Paris 1Er Les Halles is 23.9x Below the recommended WHO guideline of 3490 ppb.
AQI Graph
Historic Air Quality Graph of Carbon Monoxide (CO)
Paris 1Er Les Halles
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 Paris 1Er Les Halles
Frequently Asked Questions About Air Quality
1. What is the current CO level in Paris 1Er Les Halles?
1. What is the current CO level in Paris 1Er Les Halles?
The current real-time CO level in Paris 1Er Les Halles is 146ppb (Good). This was last updated 2026-07-14 22:41:01 (Local Time).
2. When was the best CO level in Paris 1Er Les Halles in the last 24 hours?
2. When was the best CO level in Paris 1Er Les Halles in the last 24 hours?
The best CO level was 138 ppb (Good) at 9:31 PM (Local Time) during the last 24 hours.
3. When was the worst CO level in Paris 1Er Les Halles in the last 24 hours?
3. When was the worst CO level in Paris 1Er Les Halles in the last 24 hours?
The worst CO level was 250 ppb (Good) at 4:31 AM (Local Time) during the last 24 hours.
4. What is the current trend of CO levels in Paris 1Er Les Halles during last 24 hours?
4. What is the current trend of CO levels in Paris 1Er Les Halles during last 24 hours?
The CO levels in Paris 1Er Les Halles have been fluctuating throughout the last 24 hours. The levels have increased by highest 250 ppb at 4:31 AM (Local Time), lowest 138 ppb at 9:31 PM (Local Time).
5. What actions are recommended as per the current CO level in Paris 1Er Les Halles?
5. What actions are recommended as per the current CO level in Paris 1Er Les Halles?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.