Live

Sinimae Ozone (O₃) Level

Sillamae, Ida Virumaa, Estonia

Ozone (O₃)

29ppb

Good

Last Updated: 2026-08-11 00:21 (Local Time)

Map

Sinimae

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Sinimae

The current O₃ level at Sinimae is 29 ppb making it healthy and safe for everyone in the area.

1.7xBelow

The current O₃ level in Sinimae is 1.7x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Sinimae

24 Hours

O₃

Sinimae

O₃ (ppb)

10-08-2026Time11-08-2026

Time	Sinimae
12:31am	19
1:01am	27
1:31am	27
2:01am	30
2:31am	28
3:01am	30
3:31am	26
4:01am	29
4:31am	30
5:01am	25
5:31am	13
6:01am	6
6:31am	7
7:01am	6
7:31am	8
8:01am	8
8:31am	31
9:01am	27
9:31am	28
10:01am	26
10:31am	30
11:01am	27
11:31am	27
12:01pm	27
12:31pm	28
1:01pm	33
1:31pm	31
2:01pm	30
2:31pm	31
3:01pm	29
3:31pm	33
4:01pm	31
4:31pm	31
5:01pm	31
5:31pm	36
6:01pm	25
6:31pm	26
7:01pm	27
7:31pm	28
8:01pm	29
8:31pm	28
9:01pm	28
9:31pm	29
10:01pm	27
10:31pm	28
11:01pm	29
11:31pm	29
12:01am	27

Min. O₃6:01am

Max. O₃5:31pm

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 Sinimae

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Sinimae?

The current real-time O₃ level in Sinimae is 29ppb (Good). This was last updated 2026-08-11 00:21 (Local Time).

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

The best O₃ level was 6 ppb (Good) at 6:01 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 36 ppb (Good) at 5:31 PM (Local Time) during the last 24 hours.

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

The O₃ levels in Sinimae have been fluctuating throughout the last 24 hours. The levels have increased by highest 36 ppb at 5:31 PM (Local Time), lowest 6 ppb at 6:01 AM (Local Time).

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

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