Continued air pollution in the capital
According to Moj News Agency, during the next four days, the sky of Tehran province will be clear to partly cloudy, sometimes with wind, and in the southern and western half, sometimes relatively strong to strong winds, and temporary dust rise with the possibility of reduced horizontal visibility and reduced air quality. It becomes.
According to the announcement Tehran Meteorological Department A relative decrease in temperature is expected on Friday and Saturday (October 9 and 10). Also, from Thursday evening to Saturday night (October 8 to 10), at high altitudes, occasional strong winds and scattered rain are forecast.
According to the predictions made in the control company Air quality In the city of Tehran, on Wednesday morning (October 28), with the increase in morning traffic, the air quality in some busy areas will be in unhealthy areas for sensitive groups, which is due to atmospheric stability and the accumulation of pollutants during the past hours.
During the day, with a relatively calm atmosphere, the dispersion of pollutants will be limited. The relative decrease of wind speed will continue until the end of Wednesday (October 28) and at the same time with the increase of evening traffic, it will increase the concentration of suspended particles and the accumulation of pollutants, which will not be unexpected.
The increase in wind speed until the morning of Thursday (October 29) will cause some scattering of pollutants, although with the increase of morning traffic, air quality in high-traffic areas will be in the unhealthy range for sensitive groups.
Effective winds during the day will provide the right conditions for the spread of pollutants. With the continuation of these conditions until the evening of Thursday (October 29), the concentration of suspended particles will decrease and as a result, air quality in most areas will be within acceptable limits.
Pollutants in the capital’s air index over the past 24 hours were particulate matter less than 2.5 microns with an average of 109, and the capital’s air quality was unhealthy for vulnerable groups. Indicator pollutants are currently particulate matter less than 2.5 microns with an average of 110 and air quality in the unhealthy range for sensitive groups.
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