1. Particulates - Wikipedia, the free encyclopedia

    ... stringent standards. The CCME standard for particulate matter 2.5 (PM2.5) is 30 μg/m3 (daily average, i.e. 24-hour period, 3 year average, 98th percentile).
  2. Particle Pollution (PM10) and (PM2.5) - AIRNow

    Particle Pollution (PM10) and (PM2.5) - This page supplies information and resources to particle pollution.
  3. Frequent Questions | Fine Particle (PM2.5) Designations | US EPA

    www.epa.gov › ... › Particulate Matter
    United States Environme...
    You are here: EPA Home · Air & Radiation · Six Common Pollutants · Particulate Matter · Fine particle (PM2.5) Designations; Frequent Questions ...
  4. Beijing Air Pollution: Real-time PM2.5 Air Quality Index (AQI)

    PM2.5 AQI. Beijing PM25 (fine particulate matter) measured by Beijing Environmental Protection Monitoring Center (北京, 501, 85, 501. PM10 AQI. Beijing PM10 ...
  5. Air Info Now: What is Particulate Matter

    These particles are called PM2.5 (we say "P M two point five", as in Particulate Matter up to 2.5 micrometers in size). Where particulate matter comes from .
  6. Fine Particles (PM 2.5) Questions and Answers

    New York State Departme...
    Fine Particles (PM 2.5) Questions and Answers. Fine particulate matter (PM2.5) is an air pollutant that is a concern for people's health when levels in air are high.
  7. Fine Particulate Matter - Air Quality Ontario

    www.airqualityontario.com › InformationMonitoring System
    Fine Particulate Matter. What is fine particulate matter? Particulate matter is characterized according to size - mainly because of the different health effects ...
  8. PSI Reading - National Environment Agency

    National Environment Ag...
    Feb 13, 2014 - Temp | Wind | Rainfall | Humidity | UV Index. 24hr PSI & PM2.5 Concentrations. at 11 PM on 20 Feb 14. 24-hr PSI: 24-30, 3-hr PSI: 29 at 11 PM ...
  9. PM2.5: Invisible Killer - CNTV English

    CCTV News
    Air monitoring data from the US Embassy in Beijing started circulating on micro blogs suggesting the density of PM2.5 was about 250 to 350 on Oct 30, 2011.
  10. PM2.5分布予測 - 日本気象協会 tenki.jp

    guide.tenki.jp/guide/particulate_matter/Translate this page