is conducive to pollution particle formation

in the morning is the PM2.5 pollution, the afternoon ozone pollution. This is the pollution pattern in recent days in shanghai. Municipal Environmental Monitoring Center relevant personage says, at present Shanghai has entered the peak ozone pollution, ozone is not less than PM2.5 for the human body may.

reporter observed the city air quality real-time release system found, two or three in the Cheap Hawks Hats afternoon is the Cheap Blazers Hats highest when the ozone pollution.

haze from high temperature and high humidity weather

this month since 10, Shanghai is all the time from haze harassment, a few degrees into severe pollution. Among them, 10 to 12, 3 consecutive days of haze, a storm in 12 days before the haze "". However, people only enjoy 13 days of good air, yesterday morning to morning haze, air and by the attack, light pollution.

environmental monitoring center chief forecaster Duan Yusen said recently, haze days is mainly due to high temperature and high humidity weather, is conducive to pollution particle formation, and the wind is small, is not conducive to the spread of pollutants, resulting in different degrees of pollution. However, compared to this year July 1st to 13 over the same period last year and the number Cheap Magic Hats of days of good data, this year is 9 days, and last for 6 days.

two or three in the afternoon ozone pollution maximum

observation of air quality real-time release system, recently reporter found, PM2.5 often begins to dissipate in the afternoon, but people don't let down, because the beginning of the afternoon, ozone often become the main pollutants, two or three pm peak hours, at the concentration of 200 micrograms / cubic meter.

Director of the

Institute of environmental science atmosphere of the Li Li said, the afternoon sun is due to elevated ozone, nitrogen oxides, industrial process emissions in tail gas of volatile organic compounds and other chemical reactions in the sunlight, photochemical pollution. At present, Cheap Bulls Hats the city has entered the high stage of ozone pollution.

ozone greater harm prevention more difficult to

Compared to

PM2.5, damage to the ozone on the human body may be greater, its prevention is more difficult.

reportedly, long time exposure to ozone pollution, stimulate the human respiratory tract, causing bronchitis; ozone can also damage human skin of vitamin E, resulting in human skin wrinkling, dark spots appear; it can destroy the body's immune function, induced chromosome lesions, accelerated aging, resulting in pregnant deformed child.

the experience from abroad, PM2.5 after a period of treatment will Cheap Sonics Hats be decreased obviously, but no significant decrease of ozone, may require long-term treatment.