Guarnizo Ozone (O3) Level
Santander, Cantabria, Spain
40ppb
Last Updated: 15 Nov 2025, 05:40pm (Local Time)
MapGuarnizo
What is the Current O3 Level?
Guarnizo
The current O3 level at Guarnizo is 40 ppb making it healthy and safe for everyone in the area.
The current O3 level in Guarnizo is 1.2x Below the recommended WHO guideline of 50.96 ppb.
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AQI Graph
Historical Air Quality Data
Guarnizo
Download 2024 Annual Data
World Air Quality Report
Do you know that Ozone's total mass is 3 billion metric tons in the atmosphere? It looks like a lot but has only 0.00006% of the atmosphere. Besides, Ozone's peak concentration is 32 kilometres above the Earth's surface.
Uncovering the Sources of Ozone (O3): Where Does It Come From?
Refineries
Industrial processes emit substances.
Power plants
Emissions from burning fossil fuels.
Paints evaporations
Vocs from paints react with sunlight.
Transportation
Diesel operated vehicles reacts and form ozone.Short-Term O3 Exposure Impacts
Chest pain
Discomfort or pain in the chest due to respiratory stress.
Breathing shortness
Difficulty in breathing or feeling of breathlessness.
Respiratory irritation
Inflammation and irritation of the respiratory tract.
Wheezing and coughing
Whistling sound and persistent cough.
Trigger asthma attacks
Aggravation of asthma symptoms.Why you should care about Ozone (O3)?
Know More About O3 Sensor
Air Quality FAQs
at Guarnizo
Frequently Asked Questions About Air Quality
What is the current O3 level in Guarnizo?
The current real-time O3 level in Guarnizo is 40 ppb (Good). This was last updated 15 Nov 2025, 05:40pm (Local Time).
When was the best O3 level in Guarnizo in the last 24 hours?
The best O3 level was 35 ppb (Good) at 7:04 PM, Nov 14, 2025 (Local Time) during the last 24 hours.
When was the worst O3 level in Guarnizo in the last 24 hours?
The worst O3 level was 41 ppb (Good) at 4:04 AM (Local Time) during the last 24 hours.
What is the current trend of O3 levels in Guarnizo during last 24 hours?
The O3 levels in Guarnizo remained stable over the last 24 hours as around 36.875 ppb.
What actions are recommended as per the current O3 level in Guarnizo?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
