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Is AQI 55 bad?

Is AQI 55 bad?

The higher the AQI value, the greater the level of air pollution and the greater the health danger. For example, an AQI value of 50 represents “good” air quality and little danger to public health, while an AQI value of 250 represents “very unhealthy” air quality.

How bad is the air in Beijing?

According to a scale used by the World Air Quality Index project, a non-profit group that monitors pollution, Beijing’s concentration of PM2. 5, an especially harmful particulate that can enter the bloodstream, peaked at 655 in the early hours of Monday morning. Anything above 300 is considered hazardous.

What is a bad AQI level?

for the pollutant. AQI values at and below 100 are generally considered to be satisfactory. When AQI values are above 100, air quality is considered to be unhealthy, at first for members of populations at greatest risk of a health effect, then for the entire population as AQI values get higher (greater than 150).

How to get the Beijing US Embassy air quality index?

In order to install the Beijing US Embassy Air Quality Widget on your favorite iPhone or iPod device, just launch the internet browser from your device and open the web page: ” “. Then click on this icon to install the widget as an application directly accessible from your iPhone homescreen.

How is the air quality in Beijing in real time?

No thank you. Beijing AQI: Beijing Real-time Air Quality Index (AQI). Temp. Shanghai Air Quality. Guangzhou Air Quality. Chengdu Air Quality. HongKong Air Quality. Nanjing Air Quality. Shenzhen Air Quality. Tianjin Air Quality. Wuhan Air Quality. Dalian Air Quality. Temp. Forecast ploted using timezone +08:00.

How is the air quality index ( AQI ) calculated?

Note: the daily AQI is based on the 24 hours average of hourly readings. For more information, check the database platform page. Want your own air quality monitoring station? The GAIA air quality monitoring stations are using high-tech laser particle sensors to measure in real-time PM2.5 pollution, which is one of the most harmful air pollutants.

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