logo logo logo

AIR QUALITY EARLY WARNING SYSTEM FOR DELHI
MINISTRY OF EARTH SCIENCES, GOVT. OF INDIA
पृथ्वी विज्ञान मंत्रालय, भारत सरकार
(Project By : Indian Institute of Tropical Meteorology, Pune)

Air Quality Forecast (UTC)
     Twitter
Delhi Air Quality Forecast (400m Resolution)
Delhi Steet Air Quality Forecast
logo
Observation
Near Realtime Observation At Delhi
logo
AQ Forecast
Air Quality Forecast
Bulletin & Message

 Air Quality and Weather Bulletin for Delhi NCR (16.09.2021)   

 

  1. The air quality over Delhi-NCT is likely to remain in Satisfactory category on 16.09.2021. The air quality is likely to remain in Satisfactory category on 17.09.2021 and 18.09.2021 also. The Outlook for subsequent 5 Days: The air quality is likely to remain largely in Satisfactory category but deteriorate marginally during 20-23 September and may slip into moderate category.  

  2. The predominant surface wind is likely to be coming from Southeast/East direction of Delhi with wind speed 12-20 kmph, generally cloudy sky, moderate rain/thundershowers and strong surface winds (speed 30-40 kmph on 16.09.2021). The predominant surface wind is likely to be coming from East/Southeast direction of Delhi with wind speed 10-16 kmph, generally cloudy sky, light rain/thundershowers on 17.09.2021. The predominant surface wind is likely to be coming from east directions of Delhi with wind speed 06-08 kmph, generally cloudy sky and possibility of very light rain/thundershowers on 18.09.2021.

  3. Predicted maximum mixing depth is likely to remain from 1500 m on 16.09.2021, 900m on 17.09.2021 and 1800 m on 18.09.2021 over Delhi. Ventilation index is likely to be 14900 m2/s on 16.09.2021, 12500 m2/s on 17.09.2021 and 10000 m2/s on 18.09.2021 . 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.

Total Visitors : 73297
- 56040
- 379
- 8817
- 342
- 679
- 842
- 535
- 364
- 293
- 1893
- 39
- 138
- 51
- 8
- 134
- 4
- 9
- 3
- 447
- 151
- 261
- 15
- 61
- 55
- 41
- 108
- 50
- 41
- 22
- 132
- 23
- 1
- 36
- 1
- 78
- 163
- 32
- 55
- 74
- 2
- 20
- 5
- 7
- 39
- 10
- 19
- 31
- 10
- 22
- 22
- 57
- 118
- 15
- 16
- 24
- 82
- 2
- 30
- 2
- 7
- 29
- 3
- 27
- 6
- 6
- 1
- 7
- 9
- 3
- 4
- 30
- 1
- 13
- 2
- 7
- 5
- 40
- 12
- 27
- 3
- 6
- 2
- 7
- 1
- 1
- 1
- 20
- 1
- 2
- 4
- 1
- 5
- 10
- 1
- 3
- 2
- 1
- 5
- 2
- 1
- 1
- 2
- 1
- 1
- 8
- 2
- 2
- 1
- 2
- 2
- 1
- 1
- 1
- 1
- 1
- 1
- 1
Current AQI
Forecast
Mid Visibility IGIA
X

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.

X

Visibility Range

CAT - IIIC

VISIBILITY: Below 50 M

CAT - IIIB

VISIBILITY: FROM 50M TO 174M

CAT - IIIA

VISIBILITY: FROM 175M TO 299M

CAT - II

VISIBILITY: FROM 300M TO 549M

CAT -I

VISIBILITY: 500M AND ABOVE

Air Quality Forecast Over India

X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X