Sydney Air Quality Worsens as Wildfires Rage

The video discusses the current air quality in Sydney, which is worse than Shanghai due to bushfires. This year has seen an early and intense bushfire season, with 17 hazardous air quality days since October, compared to just one day last season. The future air quality depends on rain and wind conditions, with predictions indicating continued poor air quality as long as fires burn and winds blow from the Blue Mountains.

How does the current air quality compare to Shanghai?

• It's better than Shanghai.

• It's the same as Shanghai.

• It's worse than Shanghai.

• It's not comparable to Shanghai.

What unusual phenomenon was observed in the harbor due to the bushfires?

• Floating ash

• Clear skies

• Heavy rain

• Strong winds

How does the current bushfire season compare to last year's in terms of air quality?

• This year has more hazardous days.

• This year has fewer hazardous days.

• Last year had more hazardous days.

• Both years have the same number of hazardous days.

What is the main factor needed to improve the air quality?

• Higher temperatures

• More wind

• Less humidity

• A lot of rain

What is the role of the westerlies in the current air quality situation?

• They have no effect on air quality.

• They bring rain to clear the air.

• They improve air quality.

• They worsen air quality by bringing smoke.