What is the Current CO Level?
Hong Kong Island
The current CO level in Hong Kong Island based on the average air quality level across the city is 125 ppb, making it healthy and safe for everyone.
The current CO level in Hong Kong Island is 27.92x Below the recommended WHO guideline of 3490 ppb.
AQI Graph
Historical Air Quality Data
Hong Kong Island
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.Health Advice Based on Current CO Level In
Hong Kong Island
As per the current CO, turn off the air purifier.
Get an Air PurifierRecommendations by 
CO Monitor
Monitor real-time CO levels to ensure you're breathing clean air.
CO Sensor
Stay safe and keep informed about the CO levels 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 Carbon Monoxide (CO)?
Know More About CO Sensor
Air Quality FAQs
at Hong Kong Island
Frequently Asked Questions About Air Quality
What is the current CO level in Hong Kong Island?
The current real-time CO level in Hong Kong Island is 125 ppb (Good) due to recent rainfall by 0.58mm/hr. This was last updated 15 minutes ago .
When was the best CO level in Hong Kong Island in the last 24 hours?
The best CO level was 50 ppb (Good) at 7:02 AM during the last 24 hours.
When was the worst CO level in Hong Kong Island in the last 24 hours?
The worst CO level was 350 ppb (Good) at 3:03 PM during the last 24 hours.
What is the current trend of CO levels in Hong Kong Island during last 24 hours?
The CO levels in Hong Kong Island have been fluctuating throughout the last 24 hours. The levels have increased by highest 350 ppb at 3:03 PM, lowest 50 ppb at 7:02 AM.
What actions are recommended as per the current CO level in Hong Kong Island?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.