IITM

IITM

IMD SAFAR GAW

SAFAR - India

System of Air Quality and Weather Forecasting And Research
Ministry of Earth Science, Govt. of India.
Indian Institute of Tropical Meteorology, Pune

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A Research based initiative of integrating Air Quality with Health Advisories and Food Security.
A dedicated Air Quality Information Service for Indian Metropolitan Cites to make India self sufficient
in providing frontier research based Scientific accrediated robust Air Quality Forecasting system.


National Certification - ISO 9001:2008 Accredited
International Recognition - World Meteorological Organization (GURME - Pilot)



SHORT RANGE FORECAST The overall air quality of Delhi is inthe higher end of the poor category,as forecasted. The stubble burning activity in Haryana, Panjab, and nearby border regions are moderate, but the cyclonic circulation developed over northwest Uttar Pradesh and neighborhood is going to impact the transport pathways and marginally improve Delhi's Air quality to middle-end of poor category by tomorrow. The predominant wind direction is predicted to change to southeasterly for the next three days and positively influence Delhi's AQI but within poor to higher end of the moderate category. EXTENDED RANGE OUTLOOK As per SAFAR extended outlook, further deterioration in AQI of Delhi may start from the fourth week of October. The late monsoon withdrawal is not good for air quality in North India as the time progresses towards winter. During the 4th week of October, the temperature will also start to cool. The anticyclone is expected to restrengthenonly by mid-fourth week and associated clear skies, and sinking motion will make the atmosphere very stable with calm surface winds. Both will lead to stagnant weather conditions (e.g., low wind speeds, descending air, and compressed boundary layer), which favor rapid fine particulate matter formation and accumulation of pollutants. The crisis deepens if it is encountered with any additional internal (like firecrackers) or external emissions (stubble burning) sources. In a landlocked city like Delhi, it may lead to rapid accumulation and may trigger high pollution events. However, if local emissions are controlled, it will be a good check to observe and avoid air quality crises.




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IGP REGION AQ & DUST TRANSPORT
Active Fire 14 Oct 2019
TRENDING SUMMARY (14-10-2019)

 



*SHORT RANGE FORECAST:* The overall air quality of Delhi is inthe higher end of the poor category,as forecasted. The stubble burning activity in Haryana, Panjab, and nearby border regions are moderate, but the cyclonic circulation developed over northwest Uttar Pradesh and neighborhood is going to impact the transport pathways and marginally improve Delhi's Air quality to middle-end of poor category by tomorrow. The predominant wind direction is predicted to change to southeasterly for the next three days and positively influence Delhi's AQI but within poor to higher end of the moderate category.

*EXTENDED RANGE OUTLOOK:* As per SAFAR extended outlook, further deterioration in AQI of Delhi may start from the fourth week of October. The late monsoon withdrawal is not good for air quality in North India as the time progresses towards winter. During the 4th week of October, the temperature will also start to cool. The anticyclone is expected to restrengthenonly by mid-fourth week and associated clear skies, and sinking motion will make the atmosphere very stable with calm surface winds. Both will lead to stagnant weather conditions (e.g., low wind speeds, descending air, and compressed boundary layer), which favor rapid fine particulate matter formation and accumulation of pollutants. The crisis deepens if it is encountered with any additional internal (like firecrackers) or external emissions (stubble burning) sources. In a landlocked city like Delhi, it may lead to rapid accumulation and may trigger high pollution events. However, if local emissions are controlled, it will be a good check to observe and avoid air quality crises.

  FACTORS AFFECTING DELHI AIR QUALITY :

  Today's most dominating factor to drive Air quality towards deterioration is marked in 'RED'. :

  Favorable means Good; Unfavorable means bad & OK means normal for Air Quality.

(1)  RAINFALL : No – Unfavarobale

(2)  LOCALIZED DUST LIFTING: : Low –Favorable

(3)  LONG DISTANCE DUST TRANSPORT: Low–Favorable

(4)  SURFACE WIND SPEED:Low: Unfavorable

(5)  SURFACE WIND DIRECTION :Southwesterly – Unfavorable

(6)  RELATIVE HUMIDITY: Moderate –Favorable.

(7)  MIXING LAYER HEIGHT:Moderate - Favorable .

(8)  LOCAL TEMPERATURE:Moderate– Favorable

(9)  BIOMASS-FIRE TRANSPORT:Moderate– Unfavorable







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DIWALI 2018 Reports



DELHI

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Air Quality Across SAFAR Cities: AQ-Index

1

50

100

200

300

400

500+

GOOD

SEVERE

 

Pune

 

Mumbai

 

Ahmedabad

 

Delhi



Delhi

Pune

Mumbai

Ahmedabad


Sensitive Groups: 


Reduce prolonged or heavy exertion.


Take more breaks and do less intense activities.


Asthematics, keep medicine ready if symptoms of coughing or shortness of breath occur.


Heart patients, see dictor, if get palpitations, shortness of breath, or unusual fatigue.


HEALTHY PEOPLE:  

Be alert and watchful for unusual fatigue


Enjoy The Day





Enjoy The Day





Unusually Sensitive: 


Consider reducing prolonged or heavy exertion.


Take it easy if symptoms such as coughing or shortness of breath occurs.


HEALTHY PEOPLE: 


Its a reasonable to be active outside

Air Quality Forecast (1-3 days): Levels in µgm-3

Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 208 Moderate
219 Moderate
225 Moderate
PM2.5 (µgm-3) 114 Poor
119 Poor
123 Very Poor
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 72 Satisfactory
61 Satisfactory
62 Satisfactory
PM2.5 (µgm-3) 41 Satisfactory
34 Satisfactory
34 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 94 Satisfactory
90 Satisfactory
91 Satisfactory
PM2.5 (µgm-3) 40 Satisfactory
39 Satisfactory
42 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 149 Moderate
150 Moderate
148 Moderate
PM2.5 (µgm-3) 71 Moderate
69 Moderate
69 Moderate

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