Us aqi

AQI values below 1are generally thought of as satisfactory. The air quality index is a piecewise linear function of the pollutant concentration. At the boundary between AQI categories, there is a discontinuous jump of one AQI unit.

DIRECTIONS: Choose the tab for AQI to Concentration or the tab for Concentration to AQI. Select a pollutant, then enter the AQI value or the concentration (in units). Click on “Calculate” to see the. Department of State and Environmental Protection Agency (EPA) are working to report air quality at Embassies and Consulates around the globe. As part of this initiative, U. Mission Thailand is reporting the U. Data on this site is presented in Standard Time at the time the measurement ended.

What does AQI stand for? Use the query tool below to get AQI reports for one state, county, or CBSA at a time. The AQI focuses on health effects you may experience within a few hours or days after breathing unhealthy air.

The AQI is calculated for four major air pollutants regulated by the Clean Air Act: ground level ozone, particle pollution, carbon monoxide, and sulfur dioxide. For each of these pollutants,. Taken together, concentration and time represent the dose of the air pollutant. Health effects corresponding to a given dose are established by epidemiological research.

EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the of our analyses to this web site.

Based on several studies at both low and high pollution levels, the human health effects are believed to be non-linear. As a result, the conversion from PM2. Check out the most trusted live and forecast air quality information for people and organizations.

Helping the world with free AQI data, forecast, API, air quality monitor and solutions for organizations. Air quality and pollen information for over 1countries in the world. A total of found. Visualize Trends The multiyear tile plot shows long-term changes in air quality. This algorithm converts raw PM 2. AQI ) value that can help inform health-related decisions.

Air Quality Index State Rank. The index is calculated based on data over a 3-hour period depending on the variability of particulate concentration. Data from a single monitoring station cannot be applied to an entire city. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The starting point for graphical digital government air quality guidance.

BreezoMeter created a new and uniform air quality index - the BreezoMeter AQI , BAQI, that provides a clear and intuitive way to read and understand real-time air quality information. Discover the most accurate information on air quality today, using our air quality index map to find air quality anywhere in the world. On Saturday, the front will pull away into the Great Lakes and in its wake we will have partly to mostly sunny weather and mild temperatures with a light west breeze.

An AQI value is calculated for each individual pollutant using standard formulas.