Economy Poor air quality over northern India from dust storms in May 2018 Updated : May 30, 2019 08:37 AM IST Air quality in Delhi deteriorated during the dust storms that struck northern India in May 2018, with spikes in particulate matter concentration, researchers have found. The research team calls for implementing an early warning system to prevent exposure to the inhalable particles. India’s first air quality forecasting system, SAFAR, is now able to forecast air quality from both long-range and short-range dust storms. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.