What is the Current CO Level?
Viana Do Castelo
The current CO level based on average air quality data in Viana Do Castelo is 87 ppb, making it healthy and safe for everyone.
The current CO level in Viana Do Castelo is 40.11x Below the recommended WHO guideline of 3490 ppb.
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AQI Graph
Historical Air Quality Data
Viana Do Castelo
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.Health Advice Based on Current CO Level In
Viana Do Castelo
Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable
As per the current CO, turn off the air purifier.
Recommendations 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)?
Air Quality FAQs
at Viana Do Castelo
Frequently Asked Questions About Air Quality
What is the current CO level in Viana Do Castelo?
The current real-time CO level in Viana Do Castelo is 87 ppb (Good). This was last updated 8 minutes ago (Local Time).
When was the best CO level in Viana Do Castelo in the last 24 hours?
The best CO level was 62 ppb (Good) at 2:09 PM (Local Time) during the last 24 hours.
When was the worst CO level in Viana Do Castelo in the last 24 hours?
The worst CO level was 90 ppb (Good) at 1:09 AM (Local Time) during the last 24 hours.
What is the current trend of CO levels in Viana Do Castelo during last 24 hours?
The CO levels in Viana Do Castelo have been fluctuating throughout the last 24 hours. The levels have increased by highest 90 ppb at 1:09 AM (Local Time), lowest 62 ppb at 2:09 PM (Local Time).
What actions are recommended as per the current CO level in Viana Do Castelo?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.