The high wind speed, assisted in small measures by the odd-even scheme of the Delhi government, aided in bringing down pollution levels in Delhi by nearly 60 percent. On the morning of 6th November, The average AQI for the region was 263, still ‘very unhealthy’ but down from ‘hazardous’ levels.
With wind speed recorded in the 17-19 km/h levels, it helped lift the heavy pollution that had engulfed Delhi-NCR since Diwali.
Most parts of the country ranged in the the ‘unhealthy’ to ‘very unhealthy’ zone.
Delhi: 263 (very unhealthy)
Mumbai: 102 (Unhealthy for sensitive people)
Bengaluru: 179 (Unhealthy)
Chennai: 184 (Unhealthy)
Hyderabad: 170 (Unhealthy)
Kolkata: 122 (Unhealthy for sensitive people)
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 begirn 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.
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