Live

Dongyuan Ozone (O₃) Level

Fuxin, Liaoning, China

Ozone (O₃)

11ppb

Good

Last Updated: 2026-08-18 06:11 (Local Time)

Map

Dongyuan

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Dongyuan

The current O₃ level at Dongyuan is 11 ppb making it healthy and safe for everyone in the area.

4.6xBelow

The current O₃ level in Dongyuan is 4.6x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Dongyuan

24 Hours

O₃

Dongyuan

O₃ (ppb)

17-08-2026Time18-08-2026

Time	Dongyuan
6:31am	40
7:01am	32
7:31am	31
8:01am	32
8:31am	29
9:01am	29
9:31am	29
10:01am	31
10:31am	29
11:01am	26
11:31am	26
12:01pm	33
12:31pm	32
1:01pm	38
1:31pm	40
2:01pm	39
2:31pm	38
3:01pm	41
3:31pm	34
4:01pm	40
4:31pm	41
5:01pm	43
5:31pm	39
6:01pm	31
6:31pm	35
7:01pm	32
7:31pm	29
8:01pm	28
8:31pm	27
9:01pm	23
9:31pm	22
10:01pm	20
10:31pm	22
11:01pm	23
11:31pm	24
12:01am	23
12:31am	25
1:01am	20
1:31am	19
2:01am	16
2:31am	18
3:01am	15
3:31am	16
4:01am	14
4:31am	15
5:01am	12
5:31am	14
6:01am	10

Min. O₃6:01am

Max. O₃5:01pm

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 Dongyuan

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Dongyuan?

The current real-time O₃ level in Dongyuan is 11ppb (Good). This was last updated 2026-08-18 06:11 (Local Time).

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

The best O₃ level was 10 ppb (Good) at 6:01 AM, Aug 18, 2026 (Local Time) during the last 24 hours.

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

The worst O₃ level was 43 ppb (Good) at 5:01 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Dongyuan have been fluctuating throughout the last 24 hours. The levels have increased by highest 43 ppb at 5:01 PM (Local Time), lowest 10 ppb at 6:01 AM, Aug 18, 2026 (Local Time).

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

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