What is the Current PM10 Level?
Portsmouth
The current PM10 level in Portsmouth based on the average air quality level across the city is 53 µg/m³ making it acceptable, but sensitive individuals should be cautious.
The current PM10 level in Portsmouth is 1.18x Above the recommended WHO guideline of 45 µg/m³.
Trending in United States
Wildfire Smoke in Canada 2025: AQI Impact, Orange Skies, and What to Do
World Environment Day 2025: Why Plastic Pollution in Indian Cities Is a Health Emergency?
How Outdoor Air Pollution Contributes to Rising Diabetes Mortality: A Global Analysis
Wildfire Alert in Northeastern Minnesota: From Crisis to Control Journey.
Big News: AQI App is Now on Apple Watch!
How Air Pollution Fuels COPD—and What You Can Do About It?
The Mask Returns: COVID Cases Spike in Singapore, Hong Kong, and India
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective
Methane Emissions from Delhi’s Landfills: An Invisible Threat
-or-pm2.5.webp)
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?
.jpg)
Case Study : How Prana Air Helped the American School of Bombay in Improving Air Quality?
AQI Graph
Historical Air Quality Data
Portsmouth
Download 2024 Annual Data
World Air Quality Report
PM10 particles are with a diameter of 10 micrometers (µm) or smaller and human hair has a diameter of 50 to 70 (µm). It makes PM10 1/5 to 1/7 of the human hair size.
Uncovering the Sources of Particulate Matter (PM10): Where Does It Come From?
Wind-blown dust
Dust lifted and spread by the wind from bare soil.
Construction sites
Dust and pollutants from building activities.
Industries
Releases various pollutants from different processes.
Waste burning
Smoke and toxins from burning waste materials.
Landfills
Emissions from decomposing waste in big landfills.
Vehicles exhausts
Emissions of harmful gases and particles from cars.Short-Term PM10 Exposure Impacts
Allergies
Airborne allergens causing sneezing and itching.
Cough and runny nose
Respiratory irritation cause to coughing
Eyes irritations
Redness and discomfort in the eyes.
Chest tightness
Constriction feeling in the chest.
Breathing difficulty
Trouble in breathing or discomfort in the chest.Health Advice Based on Current PM10 Level In
Portsmouth
Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.
Recommendations by 
Why you should care about Particulate Matter (PM10)?
Air Quality FAQs
at Portsmouth
Frequently Asked Questions About Air Quality
What is the current PM10 level in Portsmouth?
The current real-time PM10 level in Portsmouth is 53 µg/m³ (Moderate). This was last updated 2025-06-12 01:26:26 PM (Local Time).
When was the best PM10 level in Portsmouth in the last 24 hours?
The best PM10 level was 19 µg/m³ (Good) at 8:09 PM, Jun 11, 2025 (Local Time) during the last 24 hours.
When was the worst PM10 level in Portsmouth in the last 24 hours?
The worst PM10 level was 53 µg/m³ (Moderate) at 1:09 PM (Local Time) during the last 24 hours.
What is the current trend of PM10 levels in Portsmouth during last 24 hours?
The PM10 levels in Portsmouth have been fluctuating throughout the last 24 hours. The levels have increased by highest 53 µg/m³ at 1:09 PM (Local Time), lowest 19 µg/m³ at 8:09 PM, Jun 11, 2025 (Local Time).
What actions are recommended as per the current PM10 level in Portsmouth?
Current PM10 levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.