Microsoft has taken its big data analysis to China, with computing models that can forecast the air quality across 41 cities in the country.

Pollution continues to be a major problem in China, with hazardous air quality levels a common occurrence in cities including Beijing. To bring some clarity to the situation, Microsoft has come up with a mobile app that can predict the air quality two days in advance.

The Your Weather app works by first taking official data from government air quality monitoring stations across a 300 kilometer distance, and then using weather data to predict the pollution levels. The weather data used includes forecasts, along with current information on humidity, temperature and wind direction in a selected city.

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