Indore continued battling post-Diwali air pollution on Tuesday, with Regal Square recording an AQI of 333 and Residency Area 301, both in the. Indore (Madhya Pradesh): Two days after Diwali, the impact of firecracker emissions continues to linger over the city, with no significant improvement in air quality. Despite the festival celebrations ending on Sunday, pollution levels remained elevated on Monday and continued to be a cause for concern on Tuesday.