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  • O3
Chengguan
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Live

Chengguan Ozone (O3) Level

Henan, China

location image
O3's Icon
Ozone (O3)

40ppb



Good

Last Updated: 2025-07-12 11:54:38 AM (Local Time)

Good O3 level in Chengguan
AQI LogoMap

Chengguan

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

What is the Current O3 Level?

Chengguan

The current O3 level in Chengguan based on the average air quality level across the city is 40 ppb, making it healthy and safe for everyone.


1.2xBelow

The current O3 level in Chengguan is 1.2x Below the recommended WHO guideline of 50.96 ppb.

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Historical Air Quality Data

Chengguan

24 Hours
O3
Chengguan
O3 (ppb)
.
11-07-2025Time12-07-2025
TimeChengguan
12 PM40
01 PM41
02 PM41
03 PM41
04 PM42
05 PM42
06 PM42
07 PM41
08 PM41
09 PM41
10 PM41
11 PM40
12 AM40
01 AM40
02 AM40
03 AM40
04 AM39
05 AM38
06 AM38
07 AM39
08 AM39
09 AM39
10 AM39
11 AM40
38
Min.at 5:09 AM on 12th Jul
42
Max.at 4:09 PM on 11th 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

Chengguan

  • 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 Chengguan

Frequently Asked Questions About Air Quality

What is the current O3 level in Chengguan?

The current real-time O3 level in Chengguan is 40 ppb (Good). This was last updated 2025-07-12 11:54:38 AM (Local Time).

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

The best O3 level was 38 ppb (Good) at 5:09 AM (Local Time) during the last 24 hours.

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

The worst O3 level was 42 ppb (Good) at 4:09 PM, Jul 11, 2025 (Local Time) during the last 24 hours.

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

The O3 levels in Chengguan remained stable over the last 24 hours as around 38.5 ppb.

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

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