Live

Li Li Umbrella Though Ozone (O₃) Level

Xianyang, Shaanxi, China

Ozone (O₃)

26ppb

Good

Last Updated: 2026-08-17 07:21:01 (Local Time)

Map

Li Li Umbrella Though

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Li Li Umbrella Though

The current O₃ level at Li Li Umbrella Though is 26 ppb making it healthy and safe for everyone in the area.

1.9xBelow

The current O₃ level in Li Li Umbrella Though is 1.9x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Li Li Umbrella Though

24 Hours

O₃

Li Li Umbrella Though

O₃ (ppb)

16-08-2026Time17-08-2026

Time	Li Li Umbrella Though
7:31am	10
8:01am	12
8:31am	13
9:01am	15
9:31am	18
10:01am	19
10:31am	23
11:01am	24
11:31am	29
12:01pm	36
12:31pm	38
1:01pm	43
1:31pm	50
2:01pm	51
2:31pm	57
3:01pm	62
3:31pm	55
4:01pm	60
4:31pm	61
5:01pm	66
5:31pm	60
6:01pm	62
6:31pm	68
7:01pm	64
7:31pm	66
8:01pm	59
8:31pm	62
9:01pm	59
9:31pm	58
10:01pm	55
10:31pm	54
11:01pm	44
11:31pm	44
12:01am	43
12:31am	42
1:01am	37
1:31am	37
2:01am	38
2:31am	36
3:01am	33
3:31am	30
4:01am	33
4:31am	32
5:01am	28
5:31am	28
6:01am	25
6:31am	26
7:01am	24

Min. O₃7:31am

Max. O₃6:31pm

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 Li Li Umbrella Though

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Li Li Umbrella Though?

The current real-time O₃ level in Li Li Umbrella Though is 26ppb (Good). This was last updated 2026-08-17 07:21:01 (Local Time).

2. When was the best O₃ level in Li Li Umbrella Though in the last 24 hours?

The best O₃ level was 10 ppb (Good) at 7:31 AM (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Li Li Umbrella Though in the last 24 hours?

The worst O₃ level was 68 ppb (Moderate) at 6:31 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Li Li Umbrella Though have been fluctuating throughout the last 24 hours. The levels have increased by highest 68 ppb at 6:31 PM (Local Time), lowest 10 ppb at 7:31 AM (Local Time).

5. What actions are recommended as per the current O₃ level in Li Li Umbrella Though?

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