[kaybe]

Please get an active carbon filter for your air inlet. They’re not expensive and most cars only have the pollen filter version.

We found very high pollution values inside cars which in hindsight is very much not surprising due to what you noticed. A carbon filter brings it way down.

[iancmceachern]

We found that this (powered car air filter) is great:

https://www.iqair.com/us/air-purifiers/atem-car

[Glawen]

can try again, but I did not notice a real difference previously.