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Lanlian Hotel Ozone (O₃) Level

Lanzhou, Gansu, China

Ozone (O₃)

53ppb

Moderate

Last Updated: 2026-08-08 20:31 (Local Time)

Map

Lanlian Hotel

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Lanlian Hotel

The current O₃ level at Lanlian Hotel is 53 ppb making it acceptable, but sensitive individuals should be cautious.

1.04xAbove

The current O₃ level in Lanlian Hotel is 1.04x Above the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Lanlian Hotel

24 Hours

O₃

Lanlian Hotel

O₃ (ppb)

07-08-2026Time08-08-2026

Time	Lanlian Hotel
9:01pm	46
9:31pm	46
10:01pm	43
10:31pm	47
11:01pm	53
11:31pm	49
12:01am	42
12:31am	42
1:01am	40
1:31am	39
2:01am	36
2:31am	37
3:01am	35
3:31am	35
4:01am	28
4:31am	29
5:01am	26
5:31am	29
6:01am	24
6:31am	25
7:01am	22
7:31am	24
8:01am	17
8:31am	18
9:01am	18
9:31am	18
10:01am	24
10:31am	24
11:01am	38
11:31am	37
12:01pm	49
12:31pm	49
1:01pm	48
1:31pm	50
2:01pm	51
2:31pm	50
3:01pm	50
3:31pm	55
4:01pm	46
4:31pm	53
5:01pm	49
5:31pm	50
6:01pm	49
6:31pm	53
7:01pm	46
7:31pm	54
8:01pm	48
8:31pm	53

Min. O₃8:01am

Max. O₃3:31pm

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 Lanlian Hotel

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Lanlian Hotel?

The current real-time O₃ level in Lanlian Hotel is 53ppb (Moderate). This was last updated 2026-08-08 20:31 (Local Time).

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

The best O₃ level was 17 ppb (Good) at 8:01 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 55 ppb (Moderate) at 3:31 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Lanlian Hotel have been fluctuating throughout the last 24 hours. The levels have increased by highest 55 ppb at 3:31 PM (Local Time), lowest 17 ppb at 8:01 AM (Local Time).

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

Current O₃ levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.