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London Ozone (O3) Level

London,City Of, United Kingdom

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Ozone (O3)

4ppb

Good

Last Updated: 8 minutes ago

Good O3 level in London
Map

London

O3 air quality map for London
Good
050
Moderate
100
Poor
168
Unhealthy
208
Severe
748
Hazardous
1250+

What is the Current O3 Level?

London

The current O3 level in London based on the average air quality level across the city is 4 ppb, making it healthy and safe for everyone.

12.74xBelow

The current O3 level in London is 12.74x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historical Air Quality Data

London

24 Hours
London

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.

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Uncovering the Sources of Ozone (O3): Where Does It Come From?

Refineries

Refineries

Industrial processes emit substances.
Power plants

Power plants

Emissions from burning fossil fuels.
Paints evaporations

Paints evaporations

Vocs from paints react with sunlight.
Transportation

Transportation

Diesel operated vehicles reacts and form ozone.

Short-Term O3 Exposure Impacts

Chest pain

Chest pain

Discomfort or pain in the chest due to respiratory stress.
Breathing shortness

Breathing shortness

Difficulty in breathing or feeling of breathlessness.
Respiratory irritation

Respiratory irritation

Inflammation and irritation of the respiratory tract.
Wheezing and coughing

Wheezing and coughing

Whistling sound and persistent cough.
Trigger asthma attacks

Trigger asthma attacks

Aggravation of asthma symptoms.

Health Advice Based on Current O3 Level In

London

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable

As per the current O3, turn off the air purifier.

Get an Air Purifier

Recommendations by Prana Air Logo

O3 Monitor

O3 Monitor

Check real-time O3 levels to ensure you're breathing clean air.

O3 Sensor

O3 Sensor

Monitor 03 level in your area to stay safe with 03 sensor.

Car Filter

Car Filter

Trap particles before they enter your vehicle, ensuring a safe and healthy ride.

N95 Mask

N95 Mask

Protect yourself from harmful airborne particles by wearing an N95 mask.

Why you should care about Ozone (O3)?

Know More About O3 Sensor
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Air Quality FAQs

at London

Frequently Asked Questions About Air Quality

What is the current O3 level in London?
The current real-time O3 level in London is 4 ppb (Good). This was last updated 8 minutes ago .
When was the best O3 level in London in the last 24 hours?
The best O3 level was 5 ppb (Good) at 11:09 PM during the last 24 hours.
When was the worst O3 level in London in the last 24 hours?
The worst O3 level was 14 ppb (Good) at 2:01 AM during the last 24 hours.
What is the current trend of O3 levels in London during last 24 hours?
The O3 levels in London have been fluctuating throughout the last 24 hours. The levels have increased by highest 14 ppb at 2:01 AM, lowest 5 ppb at 11:09 PM.
What actions are recommended as per the current O3 level in London?

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