Live

Beihai Ozone (O₃) Level

Guangxi, China

Ozone (O₃)

20ppb

Good

Last Updated: 2026-07-30 01:11 (Local Time)

Map

Beihai

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Beihai

The current O₃ level in Beihai based on the average air quality level across the city is 20 ppb, making it healthy and safe for everyone.

2.5xBelow

The current O₃ level in Beihai is 2.5x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Beihai

24 Hours

O₃

Beihai

O₃ (ppb)

29-07-2026Time30-07-2026

Time	Beihai
1:31am	23
2:01am	23
2:31am	23
3:01am	23
3:31am	22
4:01am	23
4:31am	23
5:01am	24
5:31am	22
6:01am	22
6:31am	22
7:01am	22
7:31am	21
8:01am	21
8:31am	19
9:01am	20
9:31am	18
10:01am	18
10:31am	19
11:01am	21
11:31am	23
12:01pm	26
12:31pm	28
1:01pm	30
1:31pm	30
2:01pm	29
2:31pm	31
3:01pm	30
3:31pm	32
4:01pm	32
4:31pm	32
5:01pm	32
5:31pm	32
6:01pm	35
6:31pm	34
7:01pm	35
7:31pm	37
8:01pm	38
8:31pm	33
9:01pm	33
9:31pm	30
10:01pm	30
10:31pm	22
11:01pm	24
11:31pm	22
12:01am	22
12:31am	19
1:01am	20

Min. O₃9:31am

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 Beihai

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Beihai?

The current real-time O₃ level in Beihai is 20ppb (Good). This was last updated 2026-07-30 01:11 (Local Time).

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

The best O₃ level was 18 ppb (Good) at 9:31 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 38 ppb (Good) at 8:01 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Beihai have been fluctuating throughout the last 24 hours. The levels have increased by highest 38 ppb at 8:01 PM (Local Time), lowest 18 ppb at 9:31 AM (Local Time).

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

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