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  • O3
Worcester
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Live

Worcester Ozone (O3) Level

Western Cape, South Africa

location image
O3's Icon
Ozone (O3)

12ppb



Good

Last Updated: 2025-07-11 10:39:05 AM (Local Time)

Good O3 level in Worcester
AQI LogoMap

Worcester

Good
050
Moderate
100
Poor
168
Unhealthy
208
Severe
748
Hazardous
1250+

What is the Current O3 Level?

Worcester

The current O3 level in Worcester based on the average air quality level across the city is 12 ppb, making it healthy and safe for everyone.


4.2xBelow

The current O3 level in Worcester is 4.2x Below the recommended WHO guideline of 50.96 ppb.

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Historical Air Quality Data

Worcester

24 Hours
O3
Worcester
O3 (ppb)
.
10-07-2025Time11-07-2025
TimeWorcester
10 AM18
11 AM18
12 PM18
01 PM20
02 PM21
03 PM21
04 PM23
05 PM21
06 PM22
07 PM19
08 PM18
09 PM20
10 PM19
11 PM19
12 AM18
01 AM17
02 AM17
03 AM15
04 AM8
05 AM8
06 AM9
07 AM9
08 AM8
09 AM12
10 AM12
8
Min.at 4:09 AM on 11th Jul
23
Max.at 4:09 PM on 10th Jul

0/24

Hours

Hours in which the exposure is above the recommended WHO daily guideline 50.96ppb.

WHO Guideline

Want air quality data?

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Download 2024 Annual Data

World Air Quality Report

Globe

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.

PM Image

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

Worcester

  • 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
Image of o3

Air Quality FAQs

at Worcester

Frequently Asked Questions About Air Quality

What is the current O3 level in Worcester?

The current real-time O3 level in Worcester is 12 ppb (Good). This was last updated 2025-07-11 10:39:05 AM (Local Time).

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

The best O3 level was 8 ppb (Good) at 4:09 AM (Local Time) during the last 24 hours.

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

The worst O3 level was 23 ppb (Good) at 4:09 PM, Jul 10, 2025 (Local Time) during the last 24 hours.

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

The O3 levels in Worcester have been fluctuating throughout the last 24 hours. The levels have increased by highest 23 ppb at 4:09 PM, Jul 10, 2025 (Local Time), lowest 8 ppb at 4:09 AM (Local Time).

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

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