Unhealthy weather conditions for sensitive groups in the capital
According to Moj News Agency, based on the predictions made in Tehran Air Quality Control Company , On Friday morning (October 2, 1400) dusty sky and unhealthy situation for Sensitive groups In most parts of the capital, it is expected to be due to atmospheric stability and the accumulation of pollutants in the past hours.
During the day, with a relatively calm atmosphere and a decrease in wind speed, suitable conditions will not be provided for the dispersal of pollutants. The relative increase in wind speed until late Friday will cause some scattering of pollutants, however, at the same time with the evening traffic, there will be a possibility of increasing the concentration of suspended particles and establishing an unfavorable situation.
A gradual increase in wind speed until Saturday morning (October 23, 1400) will to some extent prevent the accumulation of pollutants, although with the increase in morning traffic on the first day of the week, a decrease in air quality in some busy areas The day will limit the spread of pollutants. With the growth of atmospheric instability and effective winds until the last hours of Saturday, a decrease in the concentration of suspended particles and an improvement in air quality in most areas are predicted.
According to ISNA, the pollutant in the capital’s air index during the last 24 hours was particulate matter less than 2.5 microns with an average of 110, and the air quality in the capital was unhealthy for sensitive groups. Indicator pollutants are currently particulate matter less than 2.5 microns with an average of 114 and air quality in the unhealthy range for sensitive groups.
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