Graydon A Snider

3 Questions 2 Answers 0 Followers

Questions related from Graydon A Snider

What are people's thoughts on using arithmetic vs geometric averages for estimating air pollution health impacts?

I see both reported in the literature. Geometric means are less sensitive to outliers (also problematic when dealing with negative values), while arithmetic means are technically closer to the...

17 May 2017 370 5 View

What are some examples of personal air pollution exposure studies in China?

I'm interested in PM2.5 monitoring exposure of individuals in rural or urban areas, but if anyone has a favourite example of some especially good air quality studies, I'm like to learn more.

15 May 2017 8,487 5 View

Can anyone suggest some portable and inexpensive PM2.5 monitors you have found to be effective?

With so many new ones are coming out on the market, it's becoming harder to keep track. I do have experience with the Dylos DC1100, which I have mixed feelings about.

23 February 2015 1,346 30 View