« Back to Glossary IndexFine dust or salt particles in the air that reduce visibility.Related Articles:Spectacular storm structure Grafton area yesterdayHumid here in the Sydney basin Penrith dew points 17C Blackheath -8.7CSydney with 40C temperatures 20/11/2015Severe storms North West Slopes 21st December 2012Storms Erupt North West Slopes and Plains 25th February 2017« Back to Glossary Index