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Yeosuhang Ozone (O₃) Level

Yeosu, Jeonnam, South Korea

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O₃'s Icon
Ozone (O₃)

28ppb



Good

Last Updated: 2026-08-17 18:41:01 (Local Time)

Good O₃ level in Yeosuhang
Map

Yeosuhang

Good
050
Moderate
100
Poor
168
Unhealthy
208
Severe
748
Hazardous
1250+

What is the Current O₃ Level?

Yeosuhang

The current O₃ level at Yeosuhang is 28 ppb making it healthy and safe for everyone in the area.


1.8xBelow

The current O₃ level in Yeosuhang is 1.8x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)

Yeosuhang

Yeosuhang
O₃ (ppb)
.
16-08-2026Time17-08-2026
9
Min. O₃4:31am
42
Max. O₃12:01pm

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.

PM Image

Uncovering the Sources of Ozone (O₃): Where Does It Come From?

Refineries

Refineries

Industrial processes emit substances.
Power plants

Power plants

Emissions from burning fossil fuels.
Paints evaporations

Paints evaporations

Vocs from paints react with sunlight.
Transportation

Transportation

Diesel operated vehicles reacts and form ozone.

Short-Term O₃ Exposure Impacts

Chest pain

Chest pain

Discomfort or pain in the chest due to respiratory stress.
Breathing shortness

Breathing shortness

Difficulty in breathing or feeling of breathlessness.
Respiratory irritation

Respiratory irritation

Inflammation and irritation of the respiratory tract.
Wheezing and coughing

Wheezing and coughing

Whistling sound and persistent cough.
Trigger asthma attacks

Trigger asthma attacks

Aggravation of asthma symptoms.

Air Quality FAQs

at Yeosuhang

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Yeosuhang?

The current real-time O₃ level in Yeosuhang is 28ppb (Good). This was last updated 2026-08-17 18:41:01 (Local Time).

2. When was the best O₃ level in Yeosuhang in the last 24 hours?

The best O₃ level was 9 ppb (Good) at 4:31 AM (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Yeosuhang in the last 24 hours?

The worst O₃ level was 42 ppb (Good) at 12:01 PM (Local Time) during the last 24 hours.

4. What is the current trend of O₃ levels in Yeosuhang during last 24 hours?

The O₃ levels in Yeosuhang have been fluctuating throughout the last 24 hours. The levels have increased by highest 42 ppb at 12:01 PM (Local Time), lowest 9 ppb at 4:31 AM (Local Time).

5. What actions are recommended as per the current O₃ level in Yeosuhang?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.