Welcome to www.miamivalleyair.org

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This site provides you with basic air quality/air pollution information for the Miami Valley area, which includes Montgomery, Greene, Miami and Clark Counties in Ohio.

What is ground-level ozone and how does it affect me?

Ground-level ozone is a colorless, odorless gas produced when emissions from gasoline-powered engines mix with bright sunlight.  When inhaled, ground-level ozone can inflame your lungs making it difficult to breathe.  It can cause coughing, throat irritation, congestion, chest pains and aggravate asthma or breathing problems.

What is particle pollution and how does it affect me?

Particle pollution consists of the solid particles and liquid droplets found in the air.  Individually, these particles/droplets are invisible to the naked eye, but collectively, they can appear as clouds or a fog-like haze. This tiny matter, less than 2.5 microns in diameter, is also known as PM 2.5, and can get deep into people's lungs.  Particle pollution comes from many different sources including wood burning, diesel and gasoline-powered engines, factories and power plants. When inhaled, particle pollution can damage lung tissue, aggravate asthma, bronchitis and heart diseases - even cause premature death.

What are "Air Pollution Advisory" notices

The Regional Air Pollution Control Agency (RAPCA) monitors the air in the Miami Valley.  If and when air pollution levels are forecasted to be high, an "Air Pollution Advisory" will be issued by the Miami Valley Regional Planning Commission (MVRPC) in conjunction with RAPCA.

When will these "Air Pollution Advisory" notices be issued?

These notices will be issued by 3:30 p.m. the day before air pollution levels are forecasted to be elevated. Remember also, unlike ground-level ozone, particle pollution does not need sunlight to form and can reach unhealthly levels at any time during the year. Consider this - colder temperatures result in more wood burning which increases particle pollution.  Particle pollution is so fine that it can remain suspended in the air for long periods of time. Therefore, an "Air Pollution Advisory" may be issued at any time during the year.



www.mvrpc.org Miami Valley Air, the SMOGinator, Ride$hare and the Miami Valley Air Quality Program all sponsored by the Miami Valley Regional Planning Commission.

Questions, comments? Please contact airquality@mvrpc.org

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