During active andhi events or on days with AQI above 200 — no. Dr. Dixit Kumar Thakur strongly advises asthma patients against outdoor exercise during dust storm season whenever air quality is poor. Exercise significantly increases ventilation rate and oral breathing, bypassing nasal filtration and delivering far higher doses of dust, pollen, and fine particles to the lower airways. On moderate days (AQI 100–150, no active storm), outdoor exercise early in the morning (before 8am, before ozone peaks and before convective winds strengthen) with an N95 mask is a possible compromise — but discuss this individually with Dr. Thakur at your Pulmovista consultation.