OR^* for hospital admission due to ACS associated with increase in 10 μg/m³ of PM₁₀ in dust storm days, and non-dust storm days.

PM10all–PM10 in all days PM10nd—PM10 in non-dust storm days PM10d - PM10 in dust storm days Boldface indicates positive statistical significant results (p-value <0.05) *Odds Ratio and 95%CI of hospital admission for ACS associated with increase in 10μg/m3 PM10, results of conditional logistic regression adjusted for interaction with demographic and clinical personal characteristics, temperature, relative humidity, day of the week and month. OR* for hospital admission due to ACS associated with increase in 10 μg/m3 of PM10 in dust storm days, and non-dust storm days.