U.S. Environmental Protection Agency
How it works: each day your organization raises a flag that corresponds to how clean or polluted the air is. The color of the flag matches EPA's Air Quality Index (AQI): green, yellow, orange, red, and purple. On…
U.S. Environmental Protection Agency
This dataset provides information about daily air quality summary statistics for the PM2.5 pollutant by monitor. This data is generated by specific monitors or all monitors in a city, county, or state of Virginia
U.S. Environmental Protection Agency
Annual Drinking Water Quality Reports for Virginia
U.S. Environmental Protection Agency
Engage with National Park Service online resources to understand the role fire plays in different ecosystems, learn fire facts, and more.
U.S. Environmental Protection Agency
This dataset provides information about daily air quality summary statistics for the Ozone pollutant by monitor. This data is generated by specific monitors or all monitors in a city, county, or state of Virginia
U.S. Environmental Protection Agency
This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category each city in Virginia for year 2019.
U.S. Environmental Protection Agency
These interdisciplinary learning modules promote student discovery using available maps and data, engaging students to be collaborative decision-makers. These case studies are intended for secondary education,…
U.S. Environmental Protection Agency
Earth's water is always in movement, and the natural water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Water is always changing…
U.S. Environmental Protection Agency
Mercury is a neurotoxin. How someone's health may be affected by an exposure to mercury depends on a number of factors: The form of mercury (for example, methylmercury or elemental (metallic) mercury); The amount of…