Great. Another indication that too many people are contributing to air pollution.
We cannot enjoy our fireplaces on cold nights.

The Bay Area Air Quality Management Commies socialist will now dictate to you what you can and can't do and when and where. Get use to it, the government knows better then us what is best for us. They will protect you from yourself, because lets face it, people don't know how to live when they are free.

@Correct, do you understand what externalities are? Tragedy of the commons? How do you propose resolving these?