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)



OVERALL AIR QUALITY OVER DELHI IS IN "MODERATE" CATEGORY. UNDER THE INFLUENCE OF WESTERN DISTURBANCE WIND SPEED HAS PICKED UP, THIS HAS LED TO HIGH VENTILATION COEFFICIENT AND SLIGHT IMPROVEMENT OF AIR QUALITY. ON 24TH AND 25TH APRIL THUNDER STORMS WITH GUSTY WINDS CAN LEAD TO DUST SUSPENSION AT ISOLATED REGIONS. MODERATE LONG-RANGE TRANSPORT FROM WEST RAJASTHAN IS EXPECTED BY 25TH APRIL. THE AIR QUALITY IS PREDICTED TO BE IN HIGHER END OF MODERATE TO POOR CATEGORY FOR NEXT THREE DAYS.

DIRECTION



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IGP Region Transport, Fog & Air Quality
Delhi: Typical Hourly Pollution (PM2.5) Levels in MARCH
TRENDING SUMMARY (24-04-2019)

 



  FACTORS AFFECTING DELHI AIR QUALITY :

  Three INDICATORS: Favorable, OK and Unfavorable for AQ

(1)  LOCALIZED DUST LIFTING: : Moderate - Unfavorable for Air Quality

(2)  LONG DISTANCE DUST STORM IMPACT: Moderate – Favorable for Air Quality

(3)  SURFACE WIND SPEED: 5.6 kmph –good dispersion -Favorable for Air Quality.

(4)  SURFACE WIND : Easterly -OK

(5)  RELATIVE HUMIDITY: Moderate – Favorable for Air Quality.

(6)  MIXING LAYER HEIGHT: High - Favorable for Air Quality.

(7)  VENTILATION COEFF (IMPACT):High- Favorable for Air Quality.

(8)  TEMPERATURE: High -OK.

(9)  STUBBLE BURNING IMPACT: Low -Little impact on Air Quality.







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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


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


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) 217 Moderate
239 Moderate
173 Moderate
PM2.5 (µgm-3) 88 Moderate
97 Poor
70 Moderate
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 62 Satisfactory
59 Satisfactory
60 Satisfactory
PM2.5 (µgm-3) 34 Satisfactory
32 Satisfactory
32 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 95 Satisfactory
93 Satisfactory
89 Satisfactory
PM2.5 (µgm-3) 52 Satisfactory
51 Satisfactory
53 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 128 Moderate
135 Moderate
129 Moderate
PM2.5 (µgm-3) 63 Moderate
65 Moderate
77 Moderate

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