Air Quality Index 145: What Does It Mean?
The Air Quality Index (AQI) is a scale that measures the concentration of harmful pollutants in the air. It helps people understand how polluted the air is and what health risks it poses. An AQI of 145 falls under the "Unhealthy" category, indicating that air pollution levels are high and can be harmful to everyone, especially sensitive groups like children, the elderly, and people with respiratory problems.
What Does an AQI of 145 Mean?
An AQI of 145 means that the air quality is unhealthy for sensitive groups, such as children, the elderly, and people with respiratory problems. It is recommended that these individuals limit prolonged or strenuous outdoor activity.
What Pollutants Are Contributing to the High AQI?
The AQI takes into account several pollutants, including:
- Ground-level ozone: A harmful gas that forms when pollutants from cars, power plants, and other sources react in the presence of sunlight.
- Particulate matter (PM2.5 and PM10): Tiny particles that can be inhaled deep into the lungs and can cause respiratory problems.
- Carbon monoxide: A colorless and odorless gas that can reduce oxygen delivery to the body.
- Sulfur dioxide: A gas that can irritate the lungs and contribute to acid rain.
- Nitrogen dioxide: A gas that can irritate the lungs and contribute to smog.
The specific pollutants contributing to an AQI of 145 will vary depending on the location and time of year.
Health Risks Associated with High AQI
Exposure to high levels of air pollution can have several negative health effects, including:
- Respiratory problems: Coughing, wheezing, shortness of breath, and asthma attacks.
- Cardiovascular problems: Heart attacks, strokes, and irregular heartbeats.
- Eye irritation: Burning, stinging, and watery eyes.
- Skin problems: Rashes and other skin irritation.
- Increased risk of cancer: Some air pollutants have been linked to an increased risk of lung cancer and other cancers.
What You Can Do
Here are some tips to protect yourself from air pollution when the AQI is high:
- Limit outdoor activity: Avoid strenuous outdoor activities and limit time spent outside, especially during peak pollution hours.
- Wear a mask: A high-quality face mask can help filter out some air pollutants.
- Keep your windows closed: Keep windows and doors closed, especially when air pollution levels are high.
- Use air purifiers: Air purifiers can help remove pollutants from your home.
- Avoid using gas-powered equipment: Use electric mowers, leaf blowers, and other equipment instead of gas-powered equipment.
- Drive less: Walk, bike, or take public transportation instead of driving.
- Support policies that improve air quality: Contact your elected officials and advocate for policies that reduce air pollution.
By taking these steps, you can help protect your health and reduce your exposure to harmful air pollutants.
