Delhi's air quality continues to remain in 'severe' category for the third consecutive day with AQI reaching 409 on Friday, according to the CPCB. Jahangirpuri (with AQI 458), Bawana (455), Wazirpur (455) and Rohini (452) recorded the worst air quality. Meanwhile, the Delhi government has imposed GRAP 3 anti-pollution measures in the national capital to tackle the rising air pollution.