Live

Cheongyang Eup Ozone (O₃) Level

Asan, Chungnam, South Korea

Ozone (O₃)

21ppb

Good

Last Updated: 2026-08-08 14:21:01 (Local Time)

Map

Cheongyang Eup

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Cheongyang Eup

The current O₃ level at Cheongyang Eup is 21 ppb making it healthy and safe for everyone in the area.

2.4xBelow

The current O₃ level in Cheongyang Eup is 2.4x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Cheongyang Eup

24 Hours

O₃

Cheongyang Eup

O₃ (ppb)

07-08-2026Time08-08-2026

Time	Cheongyang Eup
2:31pm	26
3:01pm	29
3:31pm	26
4:01pm	29
4:31pm	30
5:01pm	30
5:31pm	31
6:01pm	32
6:31pm	33
7:01pm	30
7:31pm	36
8:01pm	39
8:31pm	33
9:01pm	35
9:31pm	32
10:01pm	26
10:31pm	24
11:01pm	23
11:31pm	23
12:01am	22
12:31am	21
1:01am	20
1:31am	23
2:01am	24
2:31am	24
3:01am	15
3:31am	15
4:01am	19
4:31am	19
5:01am	19
5:31am	17
6:01am	14
6:31am	14
7:01am	10
7:31am	10
8:01am	9
8:31am	8
9:01am	10
9:31am	15
10:01am	18
10:31am	17
11:01am	19
11:31am	20
12:01pm	21
12:31pm	21
1:01pm	22
1:31pm	24
2:01pm	24

Min. O₃8:31am

Max. O₃8:01pm

Want air quality data?

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 Cheongyang Eup

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Cheongyang Eup?

The current real-time O₃ level in Cheongyang Eup is 21ppb (Good). This was last updated 2026-08-08 14:21:01 (Local Time).

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

The best O₃ level was 8 ppb (Good) at 8:31 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 39 ppb (Good) at 8:01 PM, Aug 7, 2026 (Local Time) during the last 24 hours.

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

The O₃ levels in Cheongyang Eup have been fluctuating throughout the last 24 hours. The levels have increased by highest 39 ppb at 8:01 PM, Aug 7, 2026 (Local Time), lowest 8 ppb at 8:31 AM (Local Time).

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

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