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Table 2 Pearson correlations between daily averages of PM and weather factors

From: Particulate matter and emergency visits for asthma: a time-series study of their association in the presence and absence of wildfire smoke in Reno, Nevada, 2013–2018

  All days Non-wildfire days Wildfire days
Variable PM10–2.5 PM10 Temp RH PM10–2.5 PM10 Temp RH PM10–2.5 PM10 Temp RH
PM2.5 0.45 0.86 0.00 0.05 0.67 0.87 −0.30 0.28 0.19 0.96 −0.05 0.03
PM10–2.5   0.84 −0.15 0.01   0.94 −0.17 0.02   0.46 −0.30 0.05
PM10    −0.07 0.03    −0.23 0.13    −0.14 0.04
Temp     −0.78     −0.78     −0.44
  1. RH daily mean relative humidity, Temp daily mean temperature