Extract 3 news related to geography.

1 and 20 13, foggy weather in China, Pm2.5.

Beijing is seriously polluted by fog.

According to the actual monitoring of Beijing Meteorological Observatory, at 8: 00 on June 5438+00, most parts of Beijing were foggy, with poor visibility, including heavy fog in the east and south, and local visibility was less than 200 meters. According to meteorologists, the foggy weather will continue in the morning of June 5438+00. By June 5438+00, the wind in Beijing was only 1, and the weather was calm and stable. Only when the forecast northerly winds of Grade 3 and 4 play a role can Beijing's visibility be significantly improved. Weibo 10 certified by Beijing Environmental Protection Bureau released a message at 8: 00 am on June 5438+00, saying that due to the heavy fog, the concentration of inhalable particulate matter at stations in the sixth district, southeast and southwest of the city increased rapidly, and the highest hourly concentration at a single station was between 300 μ g/m3 and 560 μ g/m3. Stations in Northeast and Northwest China are basically unaffected in this process, and the maximum hourly concentration of inhalable particulate matter is between 30 micrograms and 80 micrograms per cubic meter. It is expected that with the arrival of a new cold air, the air quality will be significantly improved.

2、

The extremely cold weather in Hulunbeier, Inner Mongolia will last until 20 12, and it is extremely cold due to the strong cold air of Lake Baikal.

3、

Rare rime landscape appeared in Tarim Basin.

In the area of more than 200 kilometers from Alar City in southern Xinjiang to Shaya County, we can see that the rime on both sides of the Tarim River has formed a long white belt, which extends far away in the desert. The yellow Taklimakan desert has suddenly put on a white scarf these days, showing the "rime" spectacle of desert vegetation. Populus euphratica and willow trees on both sides of the Tahe River are frozen with snow, such as white.