Live

Herentals Ozone (O₃) Level

Flanders, Belgium

Ozone (O₃)

23ppb

Good

Last Updated: 2026-06-04 01:31 (Local Time)

Map

Herentals

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Herentals

The current O₃ level in Herentals based on the average air quality level across the city is 23 ppb, making it healthy and safe for everyone.

2.2xBelow

The current O₃ level in Herentals is 2.2x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Herentals

24 Hours

O₃

Herentals

O₃ (ppb)

03-06-2026Time04-06-2026

Time	Herentals
1:31am	19
2:01am	23
2:31am	21
3:01am	20
3:31am	22
4:01am	21
4:31am	19
5:01am	21
5:31am	18
6:01am	21
6:31am	34
7:01am	33
7:31am	37
8:01am	38
8:31am	37
9:01am	36
9:31am	37
10:01am	35
10:31am	34
11:01am	33
11:31am	37
12:01pm	35
12:31pm	29
1:01pm	31
1:31pm	35
2:01pm	30
2:31pm	32
3:01pm	30
3:31pm	32
4:01pm	29
4:31pm	30
5:01pm	28
5:31pm	29
6:01pm	29
6:31pm	28
7:01pm	26
7:31pm	31
8:01pm	29
8:31pm	30
9:01pm	26
9:31pm	22
10:01pm	21
10:31pm	28
11:01pm	27
11:31pm	25
12:01am	22
12:31am	23
1:01am	24
1:31am	23

Min. O₃5:31am

Max. O₃8:01am

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 Herentals

Frequently Asked Questions About Air Quality

What is the current O₃ level in Herentals?

The current real-time O₃ level in Herentals is 23ppb (Good). This was last updated 2026-06-04 01:31 (Local Time).

When was the best O₃ level in Herentals in the last 24 hours?

The best O₃ level was 18 ppb (Good) at 5:31 AM (Local Time) during the last 24 hours.

When was the worst O₃ level in Herentals in the last 24 hours?

The worst O₃ level was 38 ppb (Good) at 8:01 AM (Local Time) during the last 24 hours.

What is the current trend of O₃ levels in Herentals during last 24 hours?

The O₃ levels in Herentals have been fluctuating throughout the last 24 hours. The levels have increased by highest 38 ppb at 8:01 AM (Local Time), lowest 18 ppb at 5:31 AM (Local Time).

What actions are recommended as per the current O₃ level in Herentals?

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