Shimla: Air quality in the industrial town of Baddi in Solan district was the worst across Himachal Pradesh on Diwali day, with an AQI of 376.According to the Himachal Pradesh Pollution Control Board, Baddi recorded an AQI of 369 on Nov 7, which climbed to 376 on Nov 8 and dropped to 344 on Monday at 5 pm.The AQI level between 301 and 400 is categorised as very poor.Meanwhile, multiple forest fires were reported in Kullu district on Diwali night, with sparks from firecrackers suspected to have triggered some of the blazes.A fire broke out in the forest behind Sultanpur, near the district headquarters, Kullu, on Diwali night, triggering panic among residents. Locals joined hands to douse the flames and managed to bring the fire under control.Fires also continued to smoulder through the night in the Pij, Khokhan and Diyar areas adjoining the Bhekli forest near Kullu town, with flames visible from a distance.Forest fires were also reported from different parts of the Maharaja Valley in Kullu on Monday morning. Around 1 pm, a fire broke out near the Baba Balak Nath temple at Tikra Bawdi along the Kullu-Bhuntar road.According to an officer, a fire brigade team rushed to the spot and brought the blaze under control after considerable effort.Another fire was reported from the forest area of Dobhi village near Patlikuhal.Forest department officials said they were taking steps to extinguish the fires.