![Los Angeles ozone levels - 30th anniversary revisit](https://blogs.sas.com/content/sastraining/files/2017/10/ozone_la_1986_cropped.png)
The movie Blade Runner came out about 30 years ago, portraying a dystopian future set in 2019 Los Angeles. Many of the technology predictions in the movie have actually become reality - but how about the weather and pollution? The movie was all about smog and a lack of sunshine, and I wondered