Live

Small East Gate Ozone (O₃) Level

Ningbo, Zhejiang, China

Ozone (O₃)

25ppb

Good

Last Updated: 2026-08-11 08:01 (Local Time)

Map

Small East Gate

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Small East Gate

The current O₃ level at Small East Gate is 25 ppb making it healthy and safe for everyone in the area.

2.03xBelow

The current O₃ level in Small East Gate is 2.03x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Small East Gate

24 Hours

O₃

Small East Gate

O₃ (ppb)

10-08-2026Time11-08-2026

Time	Small East Gate
8:01am	28
8:31am	28
9:01am	27
9:31am	29
10:01am	27
10:31am	24
11:01am	28
11:31am	28
12:01pm	33
12:31pm	32
1:01pm	34
1:31pm	32
2:01pm	29
2:31pm	31
3:01pm	31
3:31pm	31
4:01pm	31
4:31pm	29
5:01pm	31
5:31pm	27
6:01pm	33
6:31pm	32
7:01pm	31
7:31pm	32
8:01pm	28
8:31pm	27
9:01pm	29
9:31pm	28
10:01pm	28
10:31pm	26
11:01pm	25
11:31pm	25
12:01am	25
12:31am	24
1:01am	23
1:31am	24
2:01am	25
2:31am	29
3:01am	24
3:31am	29
4:01am	27
4:31am	30
5:01am	27
5:31am	25
6:01am	29
6:31am	28
7:01am	27
7:31am	25
8:01am	25

Min. O₃1:01am

Max. O₃1:01pm

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 Small East Gate

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Small East Gate?

The current real-time O₃ level in Small East Gate is 25ppb (Good). This was last updated 2026-08-11 08:01 (Local Time).

2. When was the best O₃ level in Small East Gate in the last 24 hours?

The best O₃ level was 23 ppb (Good) at 1:01 AM (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Small East Gate in the last 24 hours?

The worst O₃ level was 34 ppb (Good) at 1:01 PM, Aug 10, 2026 (Local Time) during the last 24 hours.

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

The O₃ levels in Small East Gate have been fluctuating throughout the last 24 hours. The levels have increased by highest 34 ppb at 1:01 PM, Aug 10, 2026 (Local Time), lowest 23 ppb at 1:01 AM (Local Time).

5. What actions are recommended as per the current O₃ level in Small East Gate?

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