2024-08-19 at

Ultraviolet Light Pollution question

Question : - do any of you own a UV-A, UV-B electronic meter, and what are your readings inside the home, far and near your windows?


Premises :

- UV-A/B/C refers to long, medium, and short-wave

- C is mostly filtered out by the atmosphere

- B is 95% filtered out by the atmosphere

- A is most of what's left under the clouds

- A and B are reflected by clouds and other surfaces, so are in ambient sunlight, even indoor


Testing :

- there are testing cards for a few RM, for pets, this is less interesting

- there are testing meters for RM300-RM800


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