Breathed in Incense Smoke by accident - help

I was leaving my workplace when I realised that just across the road from my workplace, there was a funeral and they had just started burning joss paper (those big pile in a cage). The surrounding area was completely covered in smoke. I had no choice but to walk past it because I needed to walk in that direction to get to the bus stop. Now I'm so worried because I read that the smoke can be harmful to baby. It was so thick I was like choking (but maybe also as I was wearing a mask but was afraid to take it off also.) I feel so helpless and frustrated now as I'm so worried I have harmed baby. It seems like no matter how hard I try I'm somehow always encountering such unlucky situations. Anyone had a similar experience especially during 7th month hungry ghost festival? What should I do?