Live

Kho Hong Ozone (O₃) Level

Hat Yai, Songkhla, Thailand

Ozone (O₃)

28ppb

Good

Last Updated: 2026-08-18 13:11:02 (Local Time)

Map

Kho Hong

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Kho Hong

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

1.8xBelow

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

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Kho Hong

24 Hours

O₃

Kho Hong

O₃ (ppb)

17-08-2026Time18-08-2026

Time	Kho Hong
1:31pm	10
2:01pm	8
2:31pm	8
3:01pm	9
3:31pm	10
4:01pm	10
4:31pm	10
5:01pm	10
5:31pm	10
6:01pm	9
6:31pm	9
7:01pm	10
7:31pm	10
8:01pm	9
8:31pm	9
9:01pm	7
9:31pm	7
10:01pm	6
10:31pm	7
11:01pm	6
11:31pm	6
12:01am	7
12:31am	7
1:01am	6
1:31am	6
2:01am	6
2:31am	6
3:01am	6
3:31am	5
4:01am	5
4:31am	5
5:01am	5
5:31am	5
6:01am	25
6:31am	23
7:01am	27
7:31am	25
8:01am	26
8:31am	27
9:01am	25
9:31am	29
10:01am	27
10:31am	29
11:01am	27
11:31am	30
12:01pm	28
12:31pm	33
1:01pm	28

Min. O₃3:31am

Max. O₃12:31pm

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 Kho Hong

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Kho Hong?

The current real-time O₃ level in Kho Hong is 28ppb (Good). This was last updated 2026-08-18 13:11:02 (Local Time).

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

The best O₃ level was 5 ppb (Good) at 3:31 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 33 ppb (Good) at 12:31 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Kho Hong have been fluctuating throughout the last 24 hours. The levels have increased by highest 33 ppb at 12:31 PM (Local Time), lowest 5 ppb at 3:31 AM (Local Time).

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

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