Environmental Protection

Air Pollution Control Rules

Wisconsin's State Legislature creates and revises the Wisconsin Statutes

Refrigerant Recovery Program

Wisconsin law prohibits the release of regulated refrigerants into the atmosphere. The release of regulated refrigerants generally occurs as refrigeration and air-conditioning equipment is salvaged or dismantled for disposal. The refrigeration…

Air Quality Information for Health Professionals

Health professionals need to understand how air quality can affect the health of patients, students and clients. Whether you are a general practitioner, school nurse, health official, fitness trainer or sports coach, understanding air quality and…

Air Pollutants and Standards

Good air quality is important to your health and the environment. There are many air pollutants that can directly affect your health through breathing, such as air toxics, asbestos, ground-level ozone and particulates. The specific pollutant, its…

Air, Air, Everywhere Poetry Contest

Particle Pollution

Particulate Matter (PM) pollution consists of solid particles or liquid droplets suspended in the air. Fine particles (PM2.5) may be emitted directly into the atmosphere but are more commonly created by reactions of other pollutants, such as…

Ozone

Ozone is a gas that occurs in both Earth's upper atmosphere and at ground level. When ozone is at ground level, it is a major component of smog and can cause a number of health problems for humans and other living things. Because of this serious…

Air Education and Outreach

Public involvement is essential to the DNR's mission to protect the environment and human health through our programs and regulations. The Air Management Program has several resources to help members of the public stay informed about air quality…

Air Quality News and Subscriptions

The DNR uses GovDelivery to help us more efficiently manage our communications and offer more subscription options to our customers. To learn more about these subscriptions and to sign up, please click on the "Subscriptions" tab below. Air News…

Air Quality Monitoring

Wisconsin's ambient air quality monitoring network is spatially distributed as outlined by the Clean Air Act to provide timely access to air quality information, support planning for air quality improvements and verify program adequacy. The network…