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Xianxian Transportation Bureau Ozone (O₃) Level

Hejian, Hebei, China

Ozone (O₃)

22ppb

Good

Last Updated: 2026-08-19 00:31 (Local Time)

Map

Xianxian Transportation Bureau

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Xianxian Transportation Bureau

The current O₃ level at Xianxian Transportation Bureau is 22 ppb making it healthy and safe for everyone in the area.

2.3xBelow

The current O₃ level in Xianxian Transportation Bureau is 2.3x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Xianxian Transportation Bureau

24 Hours

O₃

Xianxian Transportation Bureau

O₃ (ppb)

18-08-2026Time19-08-2026

Time	Xianxian Transportation Bureau
12:31am	36
1:01am	37
1:31am	36
2:01am	33
2:31am	34
3:01am	38
3:31am	36
4:01am	38
4:31am	39
5:01am	41
5:31am	43
6:01am	31
6:31am	37
7:01am	32
7:31am	34
8:01am	29
8:31am	31
9:01am	28
9:31am	25
10:01am	32
10:31am	30
11:01am	33
11:31am	36
12:01pm	31
12:31pm	31
1:01pm	40
1:31pm	41
2:01pm	37
2:31pm	41
3:01pm	43
3:31pm	45
4:01pm	45
4:31pm	50
5:01pm	48
5:31pm	50
6:01pm	50
6:31pm	46
7:01pm	49
7:31pm	53
8:01pm	50
8:31pm	47
9:01pm	44
9:31pm	44
10:01pm	39
10:31pm	36
11:01pm	26
11:31pm	27
12:01am	23
12:31am	22

Min. O₃12:31am

Max. O₃7:31pm

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 Xianxian Transportation Bureau

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Xianxian Transportation Bureau?

The current real-time O₃ level in Xianxian Transportation Bureau is 22ppb (Good). This was last updated 2026-08-19 00:31 (Local Time).

2. When was the best O₃ level in Xianxian Transportation Bureau in the last 24 hours?

The best O₃ level was 22 ppb (Good) at 12:31 AM, Aug 19, 2026 (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Xianxian Transportation Bureau in the last 24 hours?

The worst O₃ level was 53 ppb (Moderate) at 7:31 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Xianxian Transportation Bureau have been fluctuating throughout the last 24 hours. The levels have increased by highest 53 ppb at 7:31 PM (Local Time), lowest 22 ppb at 12:31 AM, Aug 19, 2026 (Local Time).

5. What actions are recommended as per the current O₃ level in Xianxian Transportation Bureau?

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