SHORT RANGE FORECAST:     (1) Delhi: AQI today indicates ‘Satisfactory’ air quality. Dust (size > 2.5 micrometer) contributes ~ 57% to PM10. For the next 3 days (28th, 29th, 30th) peak wind speed is likely to be ~ 6-12 km/h causing moderate dispersion and AQI is likely to be within ‘Satisfactory’ or ‘lower end of Moderate’ due to expected light/trace rain spells. Moderate temperature (~ 35-36 deg C) and mixing layer height (~ 1.5 – 2.0 km) 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 ‘satisfactory’ and for the next 2 days likely to be within ‘satisfactory’ range.