The weather in Tehran on Sunday morning, November 24, is still not healthy for sensitive groups. The capital's air quality index reached 149 at 7:50 am, which is in the orange range and on the verge of entering red mode.
Examining the data from the air quality measurement stations shows that the intensity of the pollution is not the same in different areas of Tehran. Park Razi station was reported as the most polluted spot with an index of 191. This was followed by Salamat station with an index of 171, District Municipality 11 with 170 and Shadabad and Firuzi stations with an index of 168.
On the other hand, the Behashti University [killing] station in northern Tehran registered an index of 87, which is within the acceptable range.
Based on the air quality index classification, numbers 101 to 150 indicate an unhealthy condition for sensitive groups and numbers 151 to 200 indicate an unhealthy condition for the general public.