Air Quality Early Warning System For Delhi

Bulletin & Message

Air Quality and Weather Bulletin for Delhi NCR (07.10.2022 Morning)

1. The overall air quality over Delhi is likely to improve further owing to rainfall activities and strong easterly winds and remain in Satisfactory to Good category on 07.10.2022. The AQI of PM10 and PM2.5 are likely to remain in Good category. The air quality is likely to be in Good category on 08.10.2022 and 09.10.2022. Air quality is likely to remain in Satisfactory category on 10.10.2022. The Outlook for subsequent 6 Days: The air quality is likely to remain largely in Satisfactory to Moderate category.

2. The predominant surface wind is likely to be coming from East direction in Delhi with wind speed 12 kmph, generally cloudy sky and light rain/thundershowers at one or two places on 07.10.2022. The predominant surface wind is likely to be coming from Northeast/East direction in Delhi with wind speed 10-15 kmph, generally cloudy sky and Light to Moderate rain/thundershowers at most places on 08.10.2022. The predominant surface wind is likely to be coming from East direction in Delhi with wind speed 12-15 kmph, generally cloudy sky and Light to Moderate rain/thundershowers at most places on 09.10.2022. The predominant surface wind is likely to be coming from East direction in Delhi with wind speed 12-16 kmph, generally cloudy sky and Light rain/thundershowers at many places on 10.10.2022.

3. Predicted maximum mixing depth is likely to be 870 m on 07.10.2022, 730 m on 08.10.2022, 500 m on 09.10.2022 and 700 m on 10.10.2022 over Delhi. Ventilation index is likely to be 4500 m²/s on 07.10.2022, 4300 m²/s on 08.10.2022, 3700 m²/s on 09.10.2022 and 4500 m²/s on 10.10.2022 over Delhi. The ventilation index lower than 6000 m²/s with average wind speed less than 10 kmph is unfavourable for dispersion of pollutants.

4. Detailed forecast analysis and verification can be seen at https://ews.tropmet.res.in.

Air Quality Index at Delhi

Current AQI

Forecast

Air Quality Index at Pune

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Air Quality Index at Mumbai

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Air Quality Index at Kolkata

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Air Quality Index at Bengaluru

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Air Quality Index at Lucknow

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Air Quality Index at Patna

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Air Quality Index at Hyderabad

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Air Quality Index Range

Good AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk

Satisfactory AQI: Satisfactory (51 - 100)
Air quality is considered satisfactory, and air pollution poses little or no risk

Moderate AQI: Moderate (101 - 200)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution

Poor AQI: Poor for Sensitive Groups (201 - 300)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air

Very Poor AQI: Very Poor (301 - 400)
Health alert: everyone may experience more serious health effects

Severe AQI: Severe (401 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected