SHORT RANGE FORECAST:     (1) Delhi: AQI today indicates ‘upper end of Good’ air quality. Dust (size > 2.5 micrometer) contributes ~ 59% to PM10. For the next 3 days (17th, 18th, 19th) peak wind speed is likely to be ~ 15-30 km/h causing moderate dispersion and AQI is likely to be within ‘satisfactory’ due to expected light rain spells. Moderate temperature (~ 34-36 deg C) and mixing layer height (~ 2.0) maintains moderate ventilation.         (2) Mumbai, Pune and Ahmedabad: AQI of Pune indicates ‘good’ air quality today and likely to be within ‘good’ for the next 2 days. AQI of Mumbai indicates ‘good’ and likely to be within ‘good’ for the next 2 days. AQI of Ahmedabad today indicates ‘good’ and for the next 2 days likely to be within ‘good’.