Chandigarh, Oct. 24 -- While City Beautiful's air quality has improved from poor to moderate, Panchkula remains on the edge with poor air. As per the Haryana State Pollution Control Board's observatory in Sector 6, Panchkula, the AQI was 242 on Thursday evening.

In Chandigarh, where the air quality had slipped to 'very poor' and 'poor' levels during Diwali fireworks on Monday and Tuesday, and continued to be poor on Wednesday even as the festivities concluded, the AQI levels dropped below 200 on Thursday, bringing it to the moderate category.

At 7 pm, the AQI at the Continuous Ambient Air Quality Monitoring Station (CAAQMS) in Sector 22 was 154, 106 at CAAQMS, Sector 25, and 105 at CAAQMS, Sector 53.

Panchkula's air, on the other hand,...