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)



Delhi AQ Summary :     SHORT RANGE FORECAST : The overall Delhi AQI is in the higher-end of the very poor category. Calm surface winds are forecasted to continue for the next three days. The SAFAR model forecast suggests AQI to be in the same higher-end of very poor for tomorrow. Under the calm, cold moist conditions dense fog is likely for the next 24 hrs. No significant improvement in AQI from the very poor category is expecting for the 9th December. Marginal improvement in AQI is expecting on 10th December but within the very poor category. Few biomass fire counts are observed, no significant biomass fire PM2.5 contribution is expecting for the coming days.       EXTENDED RANGE OUTLOOK: As per the SAFAR-extended range warning model, Delhi's air quality is entering under the influence of RADIATIVE FOG. A fresh western disturbance is likely to affect northwest India by 11th December and likely to change the calm condition and improve ventilation and air quality and scattered rainfall is expected on 12th December, likely to positively influence Air quality.




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PERCENTAGE SHARE OF STUBBLE FIRE IN PM2.5 OF DELHI
POLLUTION HOT SPOTS FOR NEXT 3 DAYS BASED ON 3D WEATHER-CHEMISTRY AND EMISSION SOURCES

FIRE COUNT AND DYNAMIC STUBBLE EMISSION INVENTORY

 

TODAY'S TRANSPORT PATH FOR BIOMASS AND WEATHER
TRENDING SUMMARY (07-12-2019)

Delhi AQ Update:*    
SHORT RANGE FORECAST: :*    
The overall Delhi AQI is in the higher-end of the very poor category. Calm surface winds are forecasted to continue for the next three days. The SAFAR model forecast suggests AQI to be in the same higher-end of very poor for tomorrow. Under the calm, cold moist conditions dense fog is likely for the next 24 hrs. No significant improvement in AQI from the very poor category is expecting for the 9th December. Marginal improvement in AQI is expecting on 10th December but within the very poor category. Few biomass fire counts are observed, no significant biomass fire PM2.5 contribution is expecting for the coming days.

EXTENDED RANGE OUTLOOK: :*    
As per the SAFAR-extended range warning model, Delhi's air quality is entering under the influence of RADIATIVE FOG. A fresh western disturbance is likely to affect northwest India by 11th December and likely to change the calm condition and improve ventilation and air quality and scattered rainfall is expected on 12th December, likely to positively influence Air quality.   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–Unfavorable.

(2)  LOCALIZED DUST LIFTING: : Low–Favorable.

(3)  LONG DISTANCE DUST TRANSPORT: Low–Favorable.

(4)  SURFACE WIND SPEED:Low-Unfavorable.

(5)  SURFACE WIND DIRECTION :Northerly–Ok .

(6)  RELATIVE HUMIDITY: Moderate–Favorable .

(7)  MIXING LAYER HEIGHT:Low-Unfavorable.

(8)  LOCAL TEMPERATURE:Low– Ok.


(9)  BIOMASS-FIRE COUNTS:Low-Ok.

(10)  STUBBLE TRANSPORT LEVEL WIND(at 900 mb) DIRECTION: Northwesterly –Ok.









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DIWALI 2019 Reports



DELHI

PUNE & MUMBAI

AHMEDABAD

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Air Quality Across SAFAR Cities: AQ-Index

1

50

100

200

300

400

500+

GOOD

SEVERE

 

Ahmedabad

 

Pune

 

Mumbai

 

Delhi



Delhi

Pune

Mumbai

Ahmedabad


Sensitive Groups:  


Avoid all Physical activity outdoor and move activities indoors. If asthematics, keep relief medicine handy.


EVERYONE:  


Stop outdoor activity at early morning and after sunset times.


Avoid prolonged or heavy exertion.


Go for a short walk instead of a jog and take more breaks.


Stop any activity level if you experience any unusual coughing, chest discomfort, wheezing, breathing difficulty, or fatigue.


If the room has windows, close them.


If the air conditioner provides a fresh air intake option, keep that closed.

Avoid burning of wood, candles or incense.


Keep the room clean – dont vacuum. Do wet mopping to reduce dust.


Masks known as N-95 or P-100 respirators may only help if you go out.


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


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


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) 298 Poor
328 Poor
343 Poor
PM2.5 (µgm-3) 198 Very Poor
218 Very Poor
228 Very Poor
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 109 Moderate
101 Moderate
102 Moderate
PM2.5 (µgm-3) 64 Moderate
59 Satisfactory
59 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 133 Moderate
130 Moderate
130 Moderate
PM2.5 (µgm-3) 63 Moderate
60 Satisfactory
61 Moderate
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 108 Moderate
102 Moderate
0 Good
PM2.5 (µgm-3) 43 Satisfactory
40 Satisfactory
0 Good

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AIR QUALITY NOW
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WEATHER NOW
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UV RADIATION
DOSE (Skin)

POLLUTION
ROSE (Source)

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