Understanding Fine Particulate Matter And Its Health Risks

Okay, kids, it's time for today's question: What exactly is Fine Particulate Matter?

Today, July 15, 2025, the National Weather Service issued an Air Quality Alert. According to the alert, the NWS noted that air quality levels in outdoor air are predicted to be greater than an air quality index value of 100 for Fine Particulates.

They recommend that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects when pollution levels are high.

So, what is Fine Particular Matter? According to the New York State Department of Environmental Conservation, Fine Particulate Matter, or PM for short, "consists of tiny solid particles or liquid droplets in the air that are 2.5 microns or less in diameter."

It often comes from combustion from things like power plants, fires, and vehicle exhaust, and can be made of different types of particles. Children, the elderly, and people with heart or breathing problems may be particularly sensitive.

The NYS DEC notes that exposure could cause, but is not limited to, irritation to the eyes, nose, and throat, coughing, sneezing, runny nose, shortness of breath, and elevated levels can worsen medical conditions, including asthma and heart disease.

For more information, visit the New York State Department of Environmental Conservation website about the Air Quality Index, and you can receive the largest announcements by signing up to receive the NYS DEC Air Quality Alerts.