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 of Delhi continues to be very poor. The minimum temperatures is likely to fall in Delhi (resulting in additional moisture in Delhi air), mainly, because of cold waves and ground frost conditions over some parts of northwest India during next 3 days. Hence AQ will remain in very poor for next 3 days. Winds are again becoming partially favourabe for the dispersion. Moist air from IGP-region is continuously passing over Delhi's cool surface by advection and will lead to moderate advection fog. Western disturbance over Northern part of India are active which are not posing any problem presently.





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IGP Region Transport, Fog & Air Quality
TRENDING SUMMARY (19-12-2018)

 

Overall air quality of Delhi continues to be very poor. The minimum temperatures is likely to fall in Delhi (resulting in additional moisture in Delhi air), mainly, because of cold waves and ground frost conditions over some parts of northwest India during next 3 days. Hence AQ will remain in very poor for next 3 days. Winds are again becoming partially favourabe for the dispersion. Moist air from IGP-region is continuously passing over Delhi's cool surface by advection and will lead to moderate advection fog. Western disturbance over Northern part of India are active which are not posing any problem presently.

(1)  MOISTURE IN AIR :Air holding capacity Very High.

(2)  IMPACT OF FOG: Moderate

(3)  RELATIVE HUMIDITY:High – Unfavorable

(4)  SURFACE WIND SPEED: Gentle (3.6 kmph) – Partially favourable for dispersion.

(5)  SURFACE WIND DIRECTION:Westerly: Less Moisture.

(6)  MIXING LAYER HEIGHT: Low.

(7)  VENTILATION COEFF (IMPACT): Low.

(8)  TEMPERATURE: Cooled .

(9)  LONG DISTANCE DUST & STUBBLE BURNING IMPACT: Nil.







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DIWALI 2018 Reports



DELHI

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Air Quality Across SAFAR Cities: AQ-Index

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50

100

200

300

400

500+

GOOD

SEVERE

 

Pune

 

Mumbai

 

Ahmedabad

 

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.


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


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) 319 Poor
341 Poor
303 Poor
PM2.5 (µgm-3) 188 Very Poor
201 Very Poor
178 Very Poor
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 57 Satisfactory
55 Satisfactory
54 Satisfactory
PM2.5 (µgm-3) 36 Satisfactory
35 Satisfactory
32 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 141 Moderate
148 Moderate
144 Moderate
PM2.5 (µgm-3) 80 Moderate
87 Moderate
94 Poor
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 174 Moderate
170 Moderate
169 Moderate
PM2.5 (µgm-3) 90 Moderate
88 Moderate
87 Moderate

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