Brown haze and a dull sun greeted Delhites in the morning as pollution PM 2.5 levels continued to be ‘very unhealthy’ on 15th October, 2019, 12 days before Diwali. While Kolkata also saw unhealthy levels of pollution, Mumbai, Bengaluru, Chennai and Hyderabad fared much better with levels ranging from ‘unhealthy for sensitive groups’ to ‘moderate.’
In the NCR region, Anand Vihar continues to be in 'very unhealthy’ levels with air quality in the range of 305 PM 2.5.
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/
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