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このページでは、よみがながつかないところがあります。https://www.epa.gov/air-trends/particulate-matter-pm25-trends
Particulate Matter (PM2.5) Trends | US EPA
Particulate Matter (PM2.5) Trends. Using a nationwide network of monitoring sites, EPA has developed ambient air quality trends for particle ...
https://ww2.arb.ca.gov/resources/inhalable-particulate-matter-and-health
Inhalable Particulate Matter and Health (PM2.5 and PM10)
Particles are defined by their diameter for air quality regulatory purposes. Those with a diameter of 10 microns or less (PM10) are inhalable into the lungs and ...
https://www.health.ny.gov/environmental/indoors/air/pmq_a.htm
Particle Pollution and Health - New York State Department of Health
Particle pollution from fine particulates (PM2.5) is a concern when levels in air are unhealthy. Breathing in unhealthy levels of PM2.5 can increase the ...
https://www.epa.gov/pm-pollution/particulate-matter-pm-basics
Particulate Matter (PM) Basics | US EPA
PM2.5 ... Of these, particles less than 2.5 micrometers in diameter, also known as fine particles or PM2.5, pose the greatest risk to health.
https://www.who.int/publications/i/item/9789240034228
WHO global air quality guidelines: particulate matter (PM2.5 and PM10 ...
Clean air is fundamental to health. Compared to 15 years ago, when the previous edition of these guidelines was published, there is now a ...
https://www.airnow.gov/aqi/aqi-basics/
Air Quality Index (AQI) Basics - AirNow.gov
ground-level ozone; particle pollution (also known as particulate matter, including PM2.5 and PM10); carbon monoxide; sulfur dioxide; nitrogen dioxide. Using ...
https://www.epa.vic.gov.au/for-community/environmental-information/air-quality/pm25-particles-in-the-air
PM2.5 particles in the air - EPA Victoria
PM 2.5 are very small particles usually found in smoke. They have a diameter of 2.5 micrometres (0.0025 mm) or smaller. PM 2.5 particles are a common air ...
https://oehha.ca.gov/calenviroscreen/indicator/air-quality-pm25
Air Quality: PM2.5 - OEHHA - CA.gov
What is PM 2.5? Particulate matter, or PM2.5, is very small particles in air that are 2.5 micrometers (about 1 ten-thousandth of an inch) or less in ...
https://en.wikipedia.org/wiki/Particulates
Particulates - Wikipedia
Particle size is the main determinant of where in the ・ Similarly, fine particulate matter (PM2.5) tends to penetrate into the ・ The smallest particles, ・ Another ...
https://www.deq.nc.gov/about/divisions/air-quality/air-quality-planning/attainment/2024-pm25-annual-standard
2024 PM2.5 Annual Standard | NC DEQ
A More Stringent Air Quality Standard. In May 2024, EPA tightened the annual health-based National Ambient Air Quality Standard for fine particulate matter (PM ...
https://www.gov.uk/government/statistics/air-quality-statistics/concentrations-of-particulate-matter-pm10-and-pm25
Particulate matter (PM10/PM2.5) - GOV.UK
Particulate matter (PM) is everything in the air that is not a gas. It consists of a huge variety of chemical compounds and materials, some of which can be ...
https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/topics/mitracking/air/pm
PM2.5 - State of Michigan
Particle pollution, or particulate matter (PM), is made up of very small particles in the air including dust, dirt, soot, smoke, and drops of liquid.
https://www.who.int/data/gho/data/indicators/indicator-details/GHO/concentrations-of-fine-particulate-matter-(pm2-5)
SDG Indicator 11.6.2 Concentrations of fine particulate matter (PM2.5)
Indicator 11.6.2: Annual mean levels of fine particulate matter (eg PM2.5 and PM10) in cities (population weighted)
https://www.canada.ca/en/health-canada/services/publications/healthy-living/infographic-fine-particulate-matter.html
Infographic: What is fine particulate matter (PM2.5)? - Canada.ca
Learn about fine particulate matter (PM2.5)
https://www.health.nsw.gov.au/environment/air/Pages/particulate-matter.aspx
Particulate matter (PM10 and PM2.5) - NSW Health
Particulate matter (PM10 and PM2.5) ・ PM10 (particles with a diameter of 10 micrometres or less): these particles are small enough to pass ...
https://www.dcceew.gov.au/environment/protection/npi/substances/fact-sheets/particulate-matter-pm10-and-pm25
Particulate matter (PM10 and PM2.5) - DCCEEW
On this page Overview Health effects Environmental effects Sources of emissions References Description PM10 is particulate matter 10 ...
https://www.baaqmd.gov/about-air-quality/current-air-quality/extreme-pm2-5
Extremely High Levels of PM2.5: Steps to Reduce Your Exposure
The US AQI does not include recommendations for PM2.5 levels above 500, but levels are sometimes worse (“beyond index”).
https://sites.wustl.edu/acag/datasets/surface-pm2-5/
Satellite-derived PM2.5 | Atmospheric Composition Analysis Group
Global and regional PM2.5 concentrations are estimated using information from satellite-, simulation- and monitor-based sources. Aerosol optical depth f...
https://www.in.gov/idem/files/factsheet_oaq_criteria_pm.pdf
Criteria Pollutants: Particulate Matter (PM2.5/PM10) - IN.gov
Standards for PM2.5 were first established in 1997. The most recent revision to the PM standards was in December 2012, when U.S. EPA lowered the primary ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC4740125/
The impact of PM2.5 on the human respiratory system - PMC
PM2.5 (particles less than 2.5 micrometers in diameter) can penetrate deeply into the lung, irritate and corrode the alveolar wall, and consequently impair lung ...
https://www.mcgill.ca/newsroom/channels/news/air-pollution-silent-killer-called-pm25-329428
Air pollution: The silent killer called PM2.5 - McGill University
Small but deadly. Among the different types of air pollution, PM2.5 kills the most people worldwide. It consists of particles smaller than ...
https://www.nature.com/articles/s41467-021-23853-y
Source sector and fuel contributions to ambient PM2.5 and attributable ...
We provide a contemporary and comprehensive evaluation of sector- and fuel-specific contributions to this disease burden across 21 regions, 204 countries, and ...
https://dnr.wisconsin.gov/topic/AirQuality/Particles.html
Particle Pollution | | Wisconsin DNR
Particulate Matter (PM) pollution consists of solid particles or liquid droplets suspended in the air. Fine particles (PM2.5) may be emitted directly into ...
https://databank.worldbank.org/metadataglossary/world-development-indicators/series/EN.ATM.PM25.MC.M3
PM2.5 air pollution, mean annual exposure ... - Glossary | DataBank
PM2.5 air pollution, mean annual exposure (micrograms per cubic meter) Population-weighted exposure to ambient PM2.5 pollution is defined as the average ...
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