Originally Posted by
JDNSW
Two questions need to be asked on this -
1. How much is from diesel cars?
2. How much is from the affected VW models?
And, of course, is the total level a significant health risk. Would not surprise me if it is, because Brisbane has weather conditions conducive to stagnation fairly often.
Actually, I'm surprised that the proportion attributed to motor vehicles is not higher than that, although the error bars on that figure could be interesting, as could the variability of the levels.
John