Air quality has improved after Diwali. On October 23, the AQI was in the moderate category at four locations, including Haldwani, and in the satisfactory category at three locations. Tehri had the best AQI of 46, which is in the good category.
Air quality is being monitored at three locations in Dehradun, with an average AQI of 98 (satisfactory category). Rishikesh is being monitored at two locations, with an average AQI of 88. Nainital also recorded an AQI of 82, in the satisfactory category. Haldwani, Kashipur, Rudrapur, and Haridwar were in the moderate category. Haldwani recorded an AQI of 117, Kashipur 122, Rudrapur 134, and Haridwar 137
