Relative increase in air temperature in Tehran province
According to the Wave news agency, according to the announcement of the General Administration Meteorology Tehran province, the weather in Tehran province over the next four days, clear to partly cloudy and sometimes with wind همچنین is also predicted, also a gradual trend Relative increase in temperature Expected today (September 4).
According to the forecasts made by the Tehran Air Quality Control Company, this morning (September 4) the air quality in most areas will be within acceptable limits, which is due to the effective wind and the scattering of pollutants during the past hours.
During the day, with the decrease of wind speed and relative stability of the atmosphere, the dispersion of pollutants will be limited. Also, with the presence of sufficient factors to produce “ozone” pollutants, the concentration of this pollutant will increase in the afternoon and the air quality will decrease in some areas. Lack of effective wind until late at the same time with the increase of evening traffic causes the accumulation of pollutants and the establishment of unfavorable air quality in some busy areas will not be unexpected, although with increasing wind speed in the last hours, suitable conditions for dispersing pollutants and improving air quality. will be.
Increasing wind speed until tomorrow morning (September 4) will to some extent prevent the accumulation of pollutants, however, with increasing morning traffic, air quality will decrease in some busy areas. Lack of effective wind during the day prevents the dispersion of pollutants, in addition to increasing the temperature and suitable conditions for the production and increase the concentration of ozone pollutants in the afternoon will reduce air quality in some areas.
With the continuation of these weather conditions until tomorrow evening (September 4) along with the evening traffic, it is predicted that the air quality will decrease in some busy areas.
The polluter of the capital air index during the last 24 hours was “nitrogen dioxide” with an average of 91 and the air quality of the capital was in an acceptable condition. The index pollutant is currently “suspended particles less than 2.5 microns” with an average of 80 and air quality in the acceptable range.
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