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  2. Yanqing, Beijing Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/china/beijing/...

    Get the Yanqing, Beijing local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  3. Beijing, Beijing Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/china/beijing/...

    Get the Beijing, Beijing local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  4. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [2] [3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...

  5. Beijing Meets Air Quality Standards for the First Time - AOL

    www.aol.com/news/beijing-meets-air-quality...

    Beijing met state air quality standards for the first time in 2021, though it still faces high levels of pollution as it prepares to host the 2022 Winter Olympics.

  6. APEC blue - Wikipedia

    en.wikipedia.org/wiki/APEC_blue

    In Oct 2014, the air quality index in Beijing reached a peak of 470, far beyond the severe pollution level of 300; meanwhile, the situation was even more serious in the neighboring province of Hebei, whose PM2.5 particles climbed above 500 micrograms per cubic meter—northern China was blanketed by the heavy air pollution, forcing the Chinese ...

  7. Air pollution forecasting - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_forecasting

    Advanced approaches in air quality forecasting combine historical data with data generated via on-ground sensors and satellite observations to provide insights, analysis, and forecasts from global to street-level air pollution. It also takes into consideration local factors like traffic, regional weather patterns, or emissions in the atmosphere.

  8. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can occur naturally or be caused by human activities. [3] Air pollution causes around 7 million deaths each year. [4] [5] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.

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