Fig. 3From: Association between gaseous pollutants and emergency ambulance dispatches for asthma in Chengdu, China: a time-stratified case-crossover studyAssociation between EADs for asthma and IQR increases for SO2, NO2, CO, and O3 over lag 0 to lag 7 days. All models were adjusted for temperature, relative humidity, and atmospheric pressureBack to article page