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Mudanjiang First Middle School Ozone (O₃) Level

Mudanjiang, Heilongjiang, China

Ozone (O₃)

12ppb

Good

Last Updated: 2026-08-16 21:31 (Local Time)

Map

Mudanjiang First Middle School

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Mudanjiang First Middle School

The current O₃ level at Mudanjiang First Middle School is 12 ppb making it healthy and safe for everyone in the area.

4.2xBelow

The current O₃ level in Mudanjiang First Middle School is 4.2x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Mudanjiang First Middle School

24 Hours

O₃

Mudanjiang First Middle School

O₃ (ppb)

15-08-2026Time16-08-2026

Time	Mudanjiang First Middle School
9:31pm	17
10:01pm	16
10:31pm	16
11:01pm	16
11:31pm	17
12:01am	15
12:31am	14
1:01am	15
1:31am	14
2:01am	15
2:31am	15
3:01am	12
3:31am	12
4:01am	12
4:31am	13
5:01am	11
5:31am	10
6:01am	11
6:31am	10
7:01am	9
7:31am	10
8:01am	9
8:31am	10
9:01am	8
9:31am	8
10:01am	8
10:31am	8
11:01am	7
11:31am	7
12:01pm	9
12:31pm	8
1:01pm	10
1:31pm	10
2:01pm	11
2:31pm	12
3:01pm	14
3:31pm	14
4:01pm	15
4:31pm	16
5:01pm	16
5:31pm	15
6:01pm	16
6:31pm	17
7:01pm	14
7:31pm	16
8:01pm	14
8:31pm	14
9:01pm	12
9:31pm	12

Min. O₃11:01am

Max. O₃9:31pm

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 Mudanjiang First Middle School

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Mudanjiang First Middle School?

The current real-time O₃ level in Mudanjiang First Middle School is 12ppb (Good). This was last updated 2026-08-16 21:31 (Local Time).

2. When was the best O₃ level in Mudanjiang First Middle School in the last 24 hours?

The best O₃ level was 7 ppb (Good) at 11:01 AM (Local Time) during the last 24 hours.

3. When was the worst O₃ level in Mudanjiang First Middle School in the last 24 hours?

The worst O₃ level was 17 ppb (Good) at 9:31 PM, Aug 15, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of O₃ levels in Mudanjiang First Middle School during last 24 hours?

The O₃ levels in Mudanjiang First Middle School have been fluctuating throughout the last 24 hours. The levels have increased by highest 17 ppb at 9:31 PM, Aug 15, 2026 (Local Time), lowest 7 ppb at 11:01 AM (Local Time).

5. What actions are recommended as per the current O₃ level in Mudanjiang First Middle School?

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