Directions: Below is a paragraph containing one or more errors. Read the paragraph carefully and identify the errors. Choose the correct option indicating the number of errors in the paragraph.

Delhi faces a severe air pollution crisis this week, attributed to stubble burning in the outskirts and 'severe plus' air quality. PM2.5 levels exceeded safety limits by seven to eight times. Emergency measures, such as banning polluting vehicles and construction, were enforced when the Air Quality Index crossed 450. Hospitals reported a surge of patients with respiratory and eye problems, with concerns raised by doctors. As the Deepavali festival approaches, there is a growing fear that the smog will worsen, making breathing difficult and farther endangering public health.