WebFive major pollutants EPA establishes an AQI for five major air pollutants regulated by the Clean Air Act. Each of these pollutants has a national air quality standard set by EPA to protect public health: ground-level ozone particle pollution (also known as particulate matter, including PM2.5 and PM10) carbon monoxide sulfur dioxide http://airnow.gov/

17 US Cities With the Worst Air Quality so Far This Year - Insider

WebFall City Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Fall City, Washington with AirVisual. WebThe list below shows the areas with the highest NowCast AQI for the current hour. The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution. Because air quality can change during the day, the areas on this list may change throughout the day, too. Note: This ... how to remove leafguard gutters

17 US Cities With the Worst Air Quality so Far This Year - Insider

WebAir Quality Index (AQI) Values Air Quality Forecast Air quality historical data Central and James, Kent, Washington, USA past 112 months daily average AQI Data sources Washington State Department of Ecology - Air Now - US EPA PM 2.5 O 3 NO 2 SO 2 CO 2024 M T W T F S S Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec WebCautionary Statement (for PM2.5) 0 - 50. Good. Air quality is considered satisfactory, and air pollution poses little or no risk. None. 51 -100. Moderate. Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. WebThe AQI is a number and color coded chart divided into the six categories and identified in the following chart. Air Quality Index Levels of Health Concern. Numerical. Value. Meaning. Good. 0 to 50. Air quality is considered satisfactory, and air … norfolk historic environment service