Haze seen again in east-central China, 49 cities on heavy air pollution alert

On the 23rd, there were many tourists on a commercial pedestrian street in Beijing, with poor air visibility.

In east-central China, PM2.5 pollution has been widespread since the 20th, with 15 cities on red alert and 34 cities on orange alert as of the 22nd.

According to the Chinese media CNN, the cold air in China is weak since the 20th, and there is heavy air pollution in many regions such as Beijing, Tianjin, Hebei and surrounding areas, north-central Yangtze River Delta region, Fenwei Plain and southern Liaoning, etc. Hazy weather.

As of 16:00 on the 22nd, among 337 prefecture-level and above cities in China, 29 cities have severe air pollution, including more cities in Henan Province with heavy haze air pollution, 14. 83 cities have PM2.5 hourly concentrations over 150 micrograms per cubic meter, and 15 cities such as Huludao and Shangqiu have PM2.5 hourly concentrations over 250 micrograms per cubic meter.

For this air pollution, provinces and cities in key regions are actively taking early warning emergency measures. China Environmental Monitoring Station is expected to 23 to 25, diffusion conditions are poor, the south-central Hebei, south-central Shanxi, western Shandong and most of Henan to moderate to heavy air pollution.