When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Los Angeles air quality improves from wildfires' hazardous levels

    www.aol.com/news/los-angeles-air-quality...

    Air quality in Los Angeles was at "moderate" levels on Thursday morning, as judged by the EPA's Air Quality Index rating system. Moderate air quality is between 51 and 100, or in the yellow band ...

  3. Why is the air quality bad today? 'Very unhealthy' air ... - AOL

    www.aol.com/why-air-quality-bad-today-135549984.html

    When there's an increase in a type of pollutant, the AQI will increase. For example, AQI can increase during rush hour traffic when there's an increase in air pollutants, or when winds blow smoke ...

  4. Renewed Los Angeles wildfire threat could blow more toxic ash ...

    www.aol.com/renewed-los-angeles-wildfire-threat...

    "Blowing dust may result in AQI levels that are Unhealthy for Sensitive Groups or worse in portions of Los Angeles, Orange, San Bernardino, and Riverside Counties in the South Coast Air Basin, the ...

  5. Pollution in California - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_California

    A view of Los Angeles covered in smog. Pollution in California relates to the degree of pollution in the air, water, and land of the U.S. state of California.Pollution is defined as the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a faster rate than it can be dispersed, diluted, decomposed, recycled, or ...

  6. Why is air quality bad today? Here's what you need to know - AOL

    www.aol.com/why-air-quality-bad-today-124844029.html

    For each pollutant an AQI value of 100 generally corresponds to an ambient air concentration that equals the level of the short-term national ambient air quality standard for protection of public ...

  7. Why air quality is worse when it's really hot - AOL

    www.aol.com/news/why-air-quality-worse-really...

    The U.S. has a measurement system for air quality called the air quality index (AQI). The AQI has six color-coded categories with a value system that runs from zero to 500. The higher the level of ...

  8. Firefighters making 'steady progress' as raging blaze ... - AOL

    www.aol.com/franklin-fire-sets-nearly-4...

    In an incident update Wednesday night, Cal Fire said firefighters were making "steady progress" as relative humidity was expected to increase overnight while weak northeasterly winds were forecast ...

  9. California fires live updates: Biden to give remarks on fire ...

    www.aol.com/la-fires-live-updates-2nd-045200918.html

    Wildfires in Southern California are causing unhealthy air quality conditions. If you are impacted, stay indoors and wear a mask if you must go outside. Close all windows, doors and vents.