Live

StPaul Gasse Ozone (O₃) Level

Krems An Der Donau, Niederosterreich, Austria

Ozone (O₃)

28ppb

Good

Last Updated: 2026-07-14 17:31 (Local Time)

Map

StPaul Gasse

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
StPaul Gasse

The current O₃ level at StPaul Gasse is 28 ppb making it healthy and safe for everyone in the area.

1.8xBelow

The current O₃ level in StPaul Gasse is 1.8x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
StPaul Gasse

24 Hours

O₃

StPaul Gasse

O₃ (ppb)

13-07-2026Time14-07-2026

Time	StPaul Gasse
5:31pm	23
6:01pm	24
6:31pm	24
7:01pm	26
7:31pm	22
8:01pm	22
8:31pm	24
9:01pm	27
9:31pm	26
10:01pm	26
10:31pm	25
11:01pm	24
11:31pm	23
12:01am	25
12:31am	25
1:01am	22
1:31am	23
2:01am	21
2:31am	22
3:01am	21
3:31am	25
4:01am	23
4:31am	28
5:01am	27
5:31am	29
6:01am	31
6:31am	26
7:01am	31
7:31am	31
8:01am	31
8:31am	31
9:01am	30
9:31am	29
10:01am	27
10:31am	30
11:01am	30
11:31am	27
12:01pm	30
12:31pm	30
1:01pm	28
1:31pm	31
2:01pm	26
2:31pm	29
3:01pm	28
3:31pm	27
4:01pm	27
4:31pm	25
5:01pm	27
5:31pm	28

Min. O₃2:01am

Max. O₃6:01am

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 StPaul Gasse

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in StPaul Gasse?

The current real-time O₃ level in StPaul Gasse is 28ppb (Good). This was last updated 2026-07-14 17:31 (Local Time).

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

The best O₃ level was 21 ppb (Good) at 2:01 AM (Local Time) during the last 24 hours.

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

The worst O₃ level was 31 ppb (Good) at 6:01 AM (Local Time) during the last 24 hours.

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

The O₃ levels in StPaul Gasse have been fluctuating throughout the last 24 hours. The levels have increased by highest 31 ppb at 6:01 AM (Local Time), lowest 21 ppb at 2:01 AM (Local Time).

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

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