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:     (1) Delhi: AQI today indicates ‘moderate’ air quality with PM10 as the primary pollutant. Dust (size > 2.5 micrometer) contributes ~ 56% to PM10. For the next 3 days (28th, 29th, 30th) peak wind speed is likely to be ~ 18 km/h causing moderate dispersion and AQI is likely to be within ‘moderate’ or ‘lower end of poor’. Moderate temperature (< 40C) and mixing layer height (~ 3 km) maintains moderate ventilation by convection improving air quality.         (2) Mumbai, Pune and Ahmedabad: AQI of Pune indicates ‘upper end of satisfactory’ air quality today and likely to be within ‘satisfactory’ or ‘lower end of moderate’ for the next 2 days. AQI of Mumbai indicates ‘satisfactory’ and likely to be within ‘satisfactory’ for the next 2 days. AQI of Ahmedabad today indicates ‘lower end of moderate’ and for the next 2 days likely to be within ‘moderate’.      




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SAFAR Air Pollution Hotspots - Delhi (26-05-2022)
MAP
TRENDING SUMMARY
(27-05-2022)
SHORT RANGE FORECAST:

(1) Delhi: AQI today indicates ‘moderate’ air quality with PM10 as the primary pollutant. Dust (size > 2.5 micrometer) contributes ~ 56% to PM10. For the next 3 days (28th, 29th, 30th) peak wind speed is likely to be ~ 18 km/h causing moderate dispersion and AQI is likely to be within ‘moderate’ or ‘lower end of poor’. Moderate temperature (< 40C) and mixing layer height (~ 3 km) maintains moderate ventilation by convection improving air quality.

(2) Mumbai, Pune and Ahmedabad: AQI of Pune indicates ‘upper end of satisfactory’ air quality today and likely to be within ‘satisfactory’ or ‘lower end of moderate’ for the next 2 days. AQI of Mumbai indicates ‘satisfactory’ and likely to be within ‘satisfactory’ for the next 2 days. AQI of Ahmedabad today indicates ‘lower end of moderate’ and for the next 2 days likely to be within ‘moderate’.

  FACTORS FORECASTED TO INFLUENCE DELHI AIR QUALITY: :

  RED Line: Most Influencing factor forecasted to deteriorate AQI

(1)  MIXING LAYER HEIGHT: MODERATE

  IMPACT: MODERATE VERTICAL MIXING

(2)   LOCAL WIND SPEED:MODERATE

  IMPACT:LESS ACCUMULATION OF POLLUTANTS

(3)  VENTILATION FACTOR:MODERATE

  IMPACT:MODERATE DISPERSION

(4)  STUBBLE BURNING IMPACT: NEGLIGIBLE

(5)  EXTERNAL DUST INTRUSION: LOW

  IMPACT:LOW









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SAFAR AQ Forecast Reports -DIWALI 2021



DELHI

PUNE

MUMBAI

AHMEDABAD

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Air Quality Across SAFAR Cities: AQ-Index

1

50

100

200

300

400

500+

GOOD

SEVERE

 

Mumbai

 

Ahmedabad

 

Pune

 

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


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





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) 206 Moderate
226 Moderate
267 Poor
PM2.5 (µgm-3) 84 Moderate
93 Poor
109 Poor
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 108 Moderate
103 Moderate
115 Moderate
PM2.5 (µgm-3) 65 Moderate
62 Moderate
69 Moderate
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 76 Satisfactory
70 Satisfactory
74 Satisfactory
PM2.5 (µgm-3) 36 Satisfactory
32 Satisfactory
34 Satisfactory
Pollutants TodayAdvisoryTomorrow's ForecastAdvisoryAfter 3 daysAdvisory
PM10 (µgm-3) 106 Moderate
99 Satisfactory
102 Moderate
PM2.5 (µgm-3) 59 Satisfactory
55 Satisfactory
57 Satisfactory

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