Based on the provided information, several cities in Punjab experienced significant air pollution levels.
Key Findings from the Reference:
The reference indicates that following Diwali, air quality in Punjab reached hazardous levels. Specifically:
- Mohali recorded an Air Quality Index (AQI) of 369, placing it among the most polluted cities in the country on that day.
- Amritsar, Chandigarh, and Ludhiana also reached hazardous levels of pollution.
- Ludhiana countryside experienced thick smog.
Therefore, multiple cities were identified as polluted, reaching hazardous levels around that time.
Here's a summary of the cities mentioned in the reference:
| City | Pollution Status Mentioned | Specific Detail (if any) |
|---|---|---|
| Mohali | Reached hazardous levels, among most polluted in the country | AQI of 369 |
| Amritsar | Reached hazardous levels | - |
| Chandigarh | Reached hazardous levels | - |
| Ludhiana | Reached hazardous levels, thick smog in the countryside | - |
This demonstrates that pollution is not limited to a single city but affects several urban areas in Punjab, sometimes reaching critical levels classified as hazardous.
