![Justin Bruce on Twitter: "VERY UNHEALTHY AIR QUALITY in parts of Las Vegas at 3:55 a.m. It's advised to limit/avoid physical activity outside until the air quality improves. This eerie haze is Justin Bruce on Twitter: "VERY UNHEALTHY AIR QUALITY in parts of Las Vegas at 3:55 a.m. It's advised to limit/avoid physical activity outside until the air quality improves. This eerie haze is](https://pbs.twimg.com/media/FcNV-KqakAAnc1i.jpg:large)
Justin Bruce on Twitter: "VERY UNHEALTHY AIR QUALITY in parts of Las Vegas at 3:55 a.m. It's advised to limit/avoid physical activity outside until the air quality improves. This eerie haze is
![NOAA CSL: 2022 News & Events: Non-local ozone sources create a springtime air quality challenge for Las Vegas NOAA CSL: 2022 News & Events: Non-local ozone sources create a springtime air quality challenge for Las Vegas](https://csl.noaa.gov/news/2022/images/344_0211flyover.jpg)
NOAA CSL: 2022 News & Events: Non-local ozone sources create a springtime air quality challenge for Las Vegas
![NOAA CSL: 2022 News & Events: Non-local ozone sources create a springtime air quality challenge for Las Vegas NOAA CSL: 2022 News & Events: Non-local ozone sources create a springtime air quality challenge for Las Vegas](https://csl.noaa.gov/news/2022/images/344_0211.jpg)