Light Pollution Map

I like the app but the most recent data, VIIRS 2023, is only on the website making this app useless as of now. Hopefully it will be added soon.

Jurij: Great app! Certainly a very useful tool for all kinds of things. I found it as someone had linked to it from Reddit. People like to know where to go to stargaze, or see the northern lights. Take care!

I’ve used the web based version for some time but thought I’d try the app. Overall it’s great. Understanding some of the values being listed and what it means for your dark sky experience takes a little leg work. I had to go and actually read part of the paper that goes along with the underlying data set. For me the salient figure would be the ratio listed whenever you click on a point in the map. This ratio is the ratio of the artificial brightness from pollution over the natural brightness of the night sky. Per the paper looking straight up anything 1% or less is about as good as you’re going to get (middle of the ocean would be 0% but 1% is about as good if not looking at the horizon). Haven’t looked at every feature so far but overall app works great but the lag to get stats when you click on a location gets tedious.