Multiple air quality stations in Delhi stopped showing data on Nov 8 evening

Multiple air quality stations in Delhi stopped showing data on November 8 evening despite the capital's air quality being severely affected. RK Puram station stopped showing data after 9 PM when it went up to 924 micrograms per meter cube. Other stations which stopped showing air quality data included Nehru Nagar, Mundka, Sonia Vihar and Dwarka.