Unhealthy air quality

What is unhealthy air quality? Why indoor air quality is essential for good health? How is AQI calculated? A key tool in this effort is the Air Quality Index, or AQI. EPA and local officials use the AQI to provide simple information about your local air quality , how unhealthy air may affect you, and how you can protect your health.

The AQI is an index for reporting daily air quality. Air quality is considered satisfactory, and air pollution poses little or no risk. AirNow - California Air Quality - AQI: Unhealthy for Sensitive Groups (1- 150) Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air. March to reflect that the Air Quality Index is no longer in the “ Unhealthy Air Quality for Sensitive Groups” range in Round Rock. The Environmental Protection Agency (EPA) has developed an air quality index which gives us a quick sense of how polluted the air is.

The values range from 0-500. The air quality was even worse in other states. While most of New York and New Jersey had what was rated moderate or unhealthy for sensitive groups, parts of Pennsylvania had unhealthy air. Air Pollution: Everything You Need to Know.

While we’ve made progress over the last 40-plus years improving air quality in the U. AIRNow - San Francisco, CA Air Quality - AQI: Unhealthy for Sensitive Groups (1- 150) Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air. Polluted air , such as smog or wildfire smoke, can lead to heart disease and trigger heart attacks and strokes especially in people already at risk. Learn how air quality is tied to cardiovascular disease and how you can stay healthy indoors and out doors.

Poor air quality is responsible for an estimated 60premature deaths in the United. When the air is bad , walk indoors in a shopping mall or gym or use an exercise machine. Limit the amount of time your child spends playing outdoors if the air quality is unhealthy. Always avoid exercising near high-traffic areas.

Even when air quality forecasts are green, the vehicles on busy highways can create high pollution levels up to one. Discover AirVisual Map, live world air pollution and air quality index (AQI) interactive 2D animated map combining PM2. Polluted air is linked to a variety of health concerns, ranging from short-term irritation to serious diseases or even death. Since an AQI value of 1generally corresponds to the national ambient air quality standard for smog, AQI values below 1are considered safe (green or yellow). When AQI values are above 10 air quality is considered to be unhealthy -at first for certain sensitive groups of people, then for everyone as AQI values get higher (orange and red).

Action Days always convey overarching public health recommendations, an according to season, trigger a variety of mandatory and voluntary pollution prevention measures. The CAQI is a number on a scale from to 10 where a low value means good air quality and a high value means bad air quality. The index is defined in both hourly and daily versions, and separately near roads (a roadside or traffic index) or away from roads (a background index). Ground-level ozone, the main part of smog, and particle pollution are just two of the many threats to air quality and public health in the United States.

The Air Quality Index (AQI) is a color-coded index EPA uses to communicate daily air pollution for ozone, particle pollution, NO CO and SO 2. A value in the unhealthy range, above the national air quality standard for any pollutant, is of concern first for sensitive groups, then for everyone as the AQI value increases. Changing what you do on these bad air days can reduce your risk of being harmed. In more than 8counties across the nation, air pollution levels are measured daily and ranked on a scale of for perfect air all the way up to 5for air pollution levels that pose an immediate danger to the public. Air Quality LevelsYour local air quality levels can change on a daily basis, with some times during the year producing more bad air days than others. Ignoring the air quality alerts that are provided during the worst times of the year can cause health problems, especially in sensitive groups, such as children and the elderly.

It can include temperature, humidity, lack of outside air (poor ventilation), mold from water damage, or exposure to. Harmful chemicals and toxic agents can spread throughout the air in your home and begin to impact your. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data. Today, Sunday December 8th at 7. Each dot on the map represents an air monitoring station, click on a dot for station specific data.

The color of the dot is determined by the current local air quality and comparison to the health effects category table.