Friday, July 31 will see a rarity in our night skies - the first "blue moon" since 2012, and the last one until 2018. But what is a blue moon and why are they so rare?
Expected Max UV Observation:
This is today's expected maximum UV reading, taking today's weather into consideration.
- Protection required - UV damages the skin and can cause sunburn
- Reduce time in the sun between 11 a.m. and 4 p.m. and take full precautions - seek shade, cover up, wear a hat, sunglasses and sunscreen