Air quality in Shushan, Hefei

The air quality in Shushan, Hefei is good.

Report on ambient air in Shushan District in September 2023: In August 2023, ambient air was monitored at 1 1 national control point, 1 provincial control point and1municipal control point.

According to the requirements of the Ministry of Ecology and Environment, six indicators such as sulfur dioxide (SO2), nitrogen dioxide (NO2), inhalable particulate matter (PM 10), fine particulate matter (PM2.5), ozone (O3) and carbon monoxide (CO) are adopted, and according to the Environmental Air Quality Standard (GB 3095-20/kloc)

In September 2023, the proportion of days with excellent air quality in Shushan District was 83.9%. Average concentration of monitoring indicators: SO2 is 6 μ g/m3, NO2 is 20 μ g/m3, PM 10 is 4 1 μ g/m3, PM2.5 is 23 μ g/m3, O3-8h is 13 1 μ g/m3, and CO is 0.6 mg. In September 2023, there was no acid precipitation in the whole region, and the frequency of acid rain was 0.

Climatic characteristics of Shushan area

Shushan region belongs to the subtropical monsoon climate zone, and the climate features throughout the year are: distinct seasons, mild climate, moderate rainfall, changeable temperature in spring, fresh air in autumn, obvious plum rains and concentrated rainfall in summer. The annual average total solar radiation is 1 19. 1 kcal/cm2, and the frost-free period is about 227 days. The annual average temperature is 15.7 degrees, the rainfall is nearly 1000 mm, and the sunshine is more than 2 100 hours.

It is hot and humid in summer and cold and dry in winter. Due to the influence of topography and airflow, the climate change in Shushan area is very complicated, and there are often drastic changes in temperature, rainfall and other factors in a short time.

Strong convective weather such as lightning, rainstorm and tornado often occurs in Shushan area in summer, which brings great inconvenience to people's life and work. Extreme weather such as strong wind and cooling often occurs in winter in Shushan area, which brings great hidden dangers to people's travel.

Reference to the above content: Baidu Encyclopedia-Shushan District