The old man has been photographing the sky for 7 consecutive years. Can he tell the air quality by doing this?

75-year-old Wang Ruchun from Shijiazhuang City has been photographing the sky in his hometown from his balcony every day since 2014. Not long ago, Wang Ruchun used more than 2,300 photos he took to create a column chart of air quality changes. He hopes that through the column chart, everyone can see the improvement of Shijiazhuang City’s air quality. Under the lens of this "sky photographer", the sky in Shijiazhuang is becoming clearer year by year. ?

For many years, Hebei Province has always attached great importance to air pollution control. Relevant agencies and departments have issued the "Hebei Province 2019 Comprehensive Air Pollution Control Work Plan", "Hebei Province Summer Pollution Centralized Control Work Plan" and "Hebei Province Summer Pollution Centralized Control Work Plan" 18 special plans including the Provincial Comprehensive Control Plan for Air Pollution in Autumn and Winter are committed to clean heating, control of diesel trucks, control of dust pollution, and joint prevention and control.

Among them, in terms of controlling diesel trucks, in view of the fact that the number of motor vehicles and non-road mobile machinery in Hebei Province ranks among the top in the country, the "Hebei Province Motor Vehicles and Non-road Mobile Machinery Emission Pollution Prevention Regulations (Draft) 》Utilize the government data sharing platform and use big data to manage tail gas emissions, filling the gaps in the relevant national and Hebei provincial laws and regulations, creating a precedent for coordinated legislation in Beijing, Tianjin and Hebei; rectifying scattered polluting enterprises and clusters In terms of quality, Langfang Wen'an Artificial Panel Enterprise Cluster and Cangzhou Foundry Enterprise Cluster have now become national models. In addition, in terms of joint prevention and control, Hebei Province's air quality prediction and forecasting level also ranks among the best in the country, and emergency emission reduction measures are effective when heavy pollution weather is predicted.

At present, Hebei has completed the 13th Five-Year Plan air quality improvement goals set by the country ahead of schedule. Next, the Ministry of Ecology and Environment will organize summer ozone monitoring in several key areas including Beijing, Tianjin and Hebei. Pollution prevention and control supervision and assistance work. Air pollution control cannot be achieved overnight. We still need to work together to fight the battle to defend the blue sky and embrace the same blue sky again.