Falling air pollution rates due to drops in industrial production, and transportation will rise again after the coronavirus threat disappears unless required measures are taken, according to an expert.

Suspension of numerous international flights, limitation of industrial production and many other measures to stem the spread of the virus known as COVID-19, such as quarantine and curfew have led to a decline in air pollution around the world, especially in China, as reports confirmed.

But experts warned that if necessary measures are not taken to keep the world’s air at a safe level, and target the source of the

Read more: Air pollution to rise again after coronavirus ends