Adelaide beaches get good bill of health just in time for summer holidays

Adelaide's beaches are showing significant signs of recovery from South Australia's toxic algal bloom, with the latest water tests revealing low or no traces of harmful algae at all of the city's beaches.

The most recent assessments show the coast is almost clear, just in time for school holidays.

"Looks like positive signs, the best signs we've seen for a long time," Professor Mike Steer from the South Australian Research and Development Institute said. 

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"We're very much in a different space now along the metropolitan coast."

All 21 metropolitan beaches have recorded zero or low levels of the algae that had been driving the bloom.

The improved conditions coincided with rising temperatures, drawing crowds to beaches such as Henley.

The state government is urging beachgoers to use the BeachSafe app, which provides regular updates on conditions. 

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"You'll see those clear pieces of information around when the beach has been cleaned, if there's discoloured water or any abnormal foam," Environment Minister Lucy Hood said.

While the timing of the improved water quality is favourable given the upcoming summer school holidays and high summer temperatures, scientists are reminding the public to stay cautiously optimistic about the future, as there are no guarantees the algae won't return.

This article was produced with the assistance of 9ExPress.