Yes, it is. So sometimes we are sitting with the closed windows and try to minimize walks on the open air. But this smoke is not permanent: it's appeared, then disappeared, then appeared again... Once it stay during three days, and this was heavy. And my family is not in the city now.

A friend at work is going home to her family in Moscow and St. Petersburg next week. I hope the conditions improve for all of you!

It is not any problems with smoke in the St. Petersburg, may be it is good news for your friend. And thank you :).