health,  references

Charts for historical values of PM2.5 in the RDBN (Burns Lake)

This is a great report prepared by Dave Stevens on August 20, 21.

If it weren’t for the wildfires we would have a downward trend!

Highlights:

Data analysis and interpretation are not value-free actions.
The purpose of computation is insight, not numbers.
Assessing human health impacts on an annual average basis is a mistaken approach.

Adverse health effects are caused by extreme values, no-one can breathe an average.
The word standard is ambiguous. It may be either descriptive or prescriptive.

For the full report:

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