Air Quality Index Report | US EPA - U.S. Environmental …
2024年10月29日 · This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category. Read more about what's in this report. Use the query tool below to get AQI reports for one state, county, or CBSA at a time.
Air Quality | US EPA - U.S. Environmental Protection Agency
2024年11月26日 · Use the map to see current particle pollution information for your location, fire and smoke locations, Smoke Forecast Outlooks, and to learn what actions you can take to reduce the amount of smoke you breathe in. The U.S. Air Quality Index is …
AirNow Interactive Map - US EPA
Click on a monitor to reveal and raw concentration data. Click “Plot Data” to see an AQI bar chart and a concentration line graph. Note that the line graph is available for single pollutant layers …
Air Quality Index (AQI) | AirNow.gov
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. Air Quality Index (AQI) The Air Quality Index (AQI) tells you how clean or polluted your outdoor air is and the associated health effects that may be of concern.
Air Data: Air Quality Data Collected at Outdoor Monitors Across …
2024年10月29日 · This site provides air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. S. Virgin Islands. Users can download, output, view or visualize the data.
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 …
Our Nation's Air 2023 - US EPA
The downloadable EPA air trends infographic has four graphics depicting improving air quality trends since 1970. The top left chart shows the 292 percent increase of the United States gross domestic product against a 78 percent drop in air pollutant emissions since 1970.
Harmful particle pollution is one of our nation’s most common air pollutants. Use the chart below to help reduce your exposure and protect your health. Visit AirNow.gov for your local air quality forecast (www.airnow.gov). Who Needs to What Should I Do? be Concerned? It’s a great day to be active outside.
Air Quality Index Scale and Color Legend - aqicn.org
The table below defines the Air Quality Index scale as defined by the US-EPA 2016 standard: 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.
AirCompare Basic Info - US EPA
AirCompare provides comparisons of air quality based on factors that have been shown to increase risk from air pollution. These factors can include life stages (children and older adults), specific health conditions (heart or lung disease), and increased likelihood of …