Zhudong Ozone (O3) Level
Qingyuan, Guangdong, China

15ppb
Last Updated: 16 Nov 2025, 05:40am (Local Time)

Zhudong
What is the Current O3 Level?
Zhudong
The current O3 level at Zhudong is 15 ppb making it healthy and safe for everyone in the area.
The current O3 level in Zhudong is 3.3x Below the recommended WHO guideline of 50.96 ppb.
AQI Graph
Historical Air Quality Data
Zhudong
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 Zhudong
Frequently Asked Questions About Air Quality
What is the current O3 level in Zhudong?
The current real-time O3 level in Zhudong is 15 ppb (Good). This was last updated 16 Nov 2025, 05:40am (Local Time).
When was the best O3 level in Zhudong in the last 24 hours?
The best O3 level was 12 ppb (Good) at 1:04 AM, Nov 16, 2025 (Local Time) during the last 24 hours.
When was the worst O3 level in Zhudong in the last 24 hours?
The worst O3 level was 57 ppb (Moderate) at 7:04 PM (Local Time) during the last 24 hours.
What is the current trend of O3 levels in Zhudong during last 24 hours?
The O3 levels in Zhudong have been fluctuating throughout the last 24 hours. The levels have increased by highest 57 ppb at 7:04 PM (Local Time), lowest 12 ppb at 1:04 AM, Nov 16, 2025 (Local Time).
What actions are recommended as per the current O3 level in Zhudong?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
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