Live

Lourinha Ozone (O₃) Level

Bombarral, Leiria, Portugal

Ozone (O₃)

29ppb

Good

Last Updated: 2026-08-18 14:51 (Local Time)

Map

Lourinha

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Lourinha

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

1.7xBelow

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

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Lourinha

24 Hours

O₃

Lourinha

O₃ (ppb)

17-08-2026Time18-08-2026

Time	Lourinha
3:01pm	37
3:31pm	33
4:01pm	35
4:31pm	34
5:01pm	39
5:31pm	36
6:01pm	38
6:31pm	36
7:01pm	39
7:31pm	39
8:01pm	41
8:31pm	42
9:01pm	43
9:31pm	44
10:01pm	41
10:31pm	42
11:01pm	38
11:31pm	43
12:01am	39
12:31am	42
1:01am	37
1:31am	40
2:01am	41
2:31am	39
3:01am	37
3:31am	41
4:01am	42
4:31am	37
5:01am	35
5:31am	36
6:01am	35
6:31am	37
7:01am	33
7:31am	36
8:01am	32
8:31am	33
9:01am	35
9:31am	35
10:01am	33
10:31am	31
11:01am	30
11:31am	33
12:01pm	29
12:31pm	31
1:01pm	31
1:31pm	29
2:01pm	30
2:31pm	30
3:01pm	30

Min. O₃12:01pm

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 Lourinha

Frequently Asked Questions About Air Quality

1. What is the current O₃ level in Lourinha?

The current real-time O₃ level in Lourinha is 29ppb (Good). This was last updated 2026-08-18 14:51 (Local Time).

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

The best O₃ level was 29 ppb (Good) at 12:01 PM (Local Time) during the last 24 hours.

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

The worst O₃ level was 44 ppb (Good) at 9:31 PM, Aug 17, 2026 (Local Time) during the last 24 hours.

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

The O₃ levels in Lourinha have been fluctuating throughout the last 24 hours. The levels have increased by highest 44 ppb at 9:31 PM, Aug 17, 2026 (Local Time), lowest 29 ppb at 12:01 PM (Local Time).

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

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