Chandigarh, Oct. 29 -- The city's air quality index (AQI) improved slightly on Tuesday, recording 124 (moderate), compared to 136 on Monday, according to Central Pollution Control Board (CPCB) data.

The air quality has remained in the yellow, or 'moderate' category, for the past week. Air quality in the moderate category is generally acceptable, though it may cause breathing discomfort to the people with asthma, and heart and lung diseases.

The highest AQI in the past one week was recorded on Wednesday at 174, likely due to post-Diwali effects, while the lowest was 105 on Sunday. It rose again to 136 on Monday before easing again.

Chandigarh Pollution Control Committee (CPCC) member secretary Saurabh Kumar said various initiatives are ...