The AQI numbers a few days before Diwali in Delhi and Kolkata continued to show a dip, with PM2.5 levels in very unhealthy range. Delhi recording an AQI of 179 PM 2.5 levels and Kolkata was at 174. On the other hand, the air quality of Chennai, Bengaluru and Mumbai remained in the moderate category. A day after elections, Mumbai was breathing air with 80 PM 2.5 levels.

Here’s the AQI Index for today:

Here’s what the numbers mean. The World Health Organisation identifies pollution levels are ranging from:

• 0 - 50: Good. Air quality is considered satisfactory, and air pollution poses little or no risk.
• 51-100: Satisfactory. Air quality is acceptable; may be a moderate health concern for sensitive people.
• 101-200: Moderate. Sensitive groups (with lung, heart diseases) may experience health issues.
• 201-300: Poor. Everyone may begin to experience health issues like respiratory problems.
• 301-400: Very Poor. Health warnings of emergency conditions. Entire population is likely to be affected.
• 401-500: Severe. Health alert: everyone may experience more serious health issues.

If you wish to check the air quality index of your city, click on this link: https://www.thequint.com/quintlab/widgets/air-quality-index/

(FIT is launching its #PollutionKaSolution campaign. Join us by becoming an anti-air pollution warrior. Send in your questions, your stories of how to tackle air pollution and your ideas to FIT@thequint.com)