Imam Hossein Sq Ozone (O3) Level
Shiraz, Fars, Iran
20ppb
Last Updated: 26 Nov 2025, 02:04am (Local Time)
MapImam Hossein Sq
What is the Current O3 Level?
Imam Hossein Sq
The current O3 level at Imam Hossein Sq is 20 ppb making it healthy and safe for everyone in the area.
The current O3 level in Imam Hossein Sq is 2.5x Below the recommended WHO guideline of 50.96 ppb.
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Historical Air Quality Data
Imam Hossein Sq
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 Imam Hossein Sq
Frequently Asked Questions About Air Quality
What is the current O3 level in Imam Hossein Sq?
The current real-time O3 level in Imam Hossein Sq is 20 ppb (Good). This was last updated 26 Nov 2025, 02:04am (Local Time).
When was the best O3 level in Imam Hossein Sq in the last 24 hours?
The best O3 level was 19 ppb (Good) at 7:04 AM (Local Time) during the last 24 hours.
When was the worst O3 level in Imam Hossein Sq in the last 24 hours?
The worst O3 level was 44 ppb (Good) at 4:04 PM (Local Time) during the last 24 hours.
What is the current trend of O3 levels in Imam Hossein Sq during last 24 hours?
The O3 levels in Imam Hossein Sq have been fluctuating throughout the last 24 hours. The levels have increased by highest 44 ppb at 4:04 PM (Local Time), lowest 19 ppb at 7:04 AM (Local Time).
What actions are recommended as per the current O3 level in Imam Hossein Sq?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
