AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
Air Quality Index (AQI) | AirNow.gov
Local air quality can affect our daily lives. Like the weather, it can change from day to day. EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects.
Beaverton, Oregon Air Pollution: Real-time Air Quality Index …
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. Active children and adults, and people with respiratory disease, such as …
Beaverton Air Quality Index (AQI) and Oregon Air Pollution | IQAir
Beaverton Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Beaverton, Oregon with AirVisual.
World's Air Pollution: Real-time Air Quality Index
Air Quality Index (AQI) Calculation. The Air Quality Index is based on measurement of particulate matter (PM 2.5 and PM 10), Ozone (O 3), Nitrogen Dioxide (NO 2), Sulfur Dioxide (SO 2) and Carbon Monoxide (CO) emissions.
Air Quality Index (AQI) Basics - AirNow
The U.S. Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range of index values. The higher the AQI value, the greater the level of …
Department of Environmental Quality : Air Quality Today : Air Quality ...
DEQ has updated its Air Quality Index to better serve the public and put more data at users’ fingertips. The color-coded tool categorizes air quality at more than 37 stations around Oregon. To use the index, simply click on a dot on the map to see what air quality is like at a station near you.
June 28, 2023 - Millions under air quality alerts in the US due to ...
Jun 28, 2023 · More than 120 million people from the Midwest to the East Coast are under air quality alerts as smoke from Canadian wildfires drifts to the US, according to a CNN analysis, prompting some...
June 7, 2023 Canada wildfire smoke and US air quality news
Jun 7, 2023 · More than 75 million people across the Northeast, Midwest and mid-Atlantic in the US are under air quality alerts as wildfire smoke originating from Canada shrouds major US cities.
Air Quality | US EPA - U.S. Environmental Protection Agency
Oct 28, 2024 · The U.S. Air Quality Index is EPA's index for reporting air quality. Every day the AQI tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern.