What is the Current PM2.5 Level?
Changhua
The current PM2.5 level based on average air quality data in Changhua is 47 µg/m³, making it acceptable, but sensitive individuals should be cautious.
The current PM2.5 level in Changhua is 3.13x Above the recommended WHO guideline of 15 µg/m³.
AQI Graph
Historical Air Quality Data
Changhua
PM2.5 particles, with a diameter of 2.5 micrometers or less, are approximately 30 times smaller than a human hair, making them a significant yet often unseen threat to air quality.
Uncovering the Sources of Particulate Matter (PM2.5): Where Does It Come From?
Windblown Dust
Daily activities like construction or other practices
Home-related emission
Household activities, such as cooking and heating
Factories and industries' emission
Regular operations in factories and industries
Power plants generation
Emission from Routine energy production in power plants
Landfill fires
Fires in landfills, often caused by waste mismanagement
Transportation emission
Diesel operated Daily vehicles produces exhaust
Human-caused emissions
Common practices like open burning of waste or agricultural residuesShort-Term PM2.5 Exposure Impacts
Irritation in Eyes
Redness, itching, and discomfort in your eyes
Headaches
Frequent or intense headaches.
Fatigue
Feeling unusually tired or weak.
Aggravated asthma
Increased asthma attacks and symptoms.
Breathing problems
Coughing, wheezing, and shortness of breath.Health Advice Based on Current PM2.5 Level In
Changhua
1.5Cigarettes per day
Breathing the air in this location is as harmful as smoking 1.5 cigarettes a day.
Must turn on the air purifier to enjoy fresh air.
Get an Air PurifierRecommendations by 
PM2.5 Monitor
Monitor PM2.5 level around you with an advanced monitor.
PM2.5 Sensor
Measures PM2.5 around you to stay safe and aware.
Car Filter
Trap particles before they enter your vehicle, ensuring a safe and healthy ride.
N95 Mask
Protect yourself from harmful airborne particles by wearing an N95 mask.
Why you should care about Particulate Matter (PM2.5)?
Know More About PM2.5 Sensor
Air Quality FAQs
at Changhua
Frequently Asked Questions About Air Quality
What is the current PM2.5 level in Changhua?
The current real-time PM2.5 level in Changhua is 47 µg/m³ (Moderate). This was last updated 9 minutes ago .
When was the best PM2.5 level in Changhua in the last 24 hours?
The best PM2.5 level was 21 µg/m³ (Good) at 9:02 PM during the last 24 hours.
When was the worst PM2.5 level in Changhua in the last 24 hours?
The worst PM2.5 level was 47 µg/m³ (Moderate) at 7:02 AM, Nov 15, 2024 during the last 24 hours.
What is the current trend of PM2.5 levels in Changhua during last 24 hours?
The PM2.5 levels in Changhua have been fluctuating throughout the last 24 hours. The levels have increased by highest 47 µg/m³ at 7:02 AM, Nov 15, 2024, lowest 21 µg/m³ at 9:02 PM.
What actions are recommended as per the current PM2.5 level in Changhua?
Current PM2.5 levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.