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. 2015 Apr 29;10(4):e0124758. doi: 10.1371/journal.pone.0124758

Fig 7. The relationship between UVA and UVB intensity and air quality parameters (AQI, PM2.5, and PM10).

Fig 7

A: Pearson’s correlation analysis demonstrated a significant negative correlation between UVA intensity and air quality parameters (AQI: r = -0.51, P = 0.0006; PM2.5: r = -0.55, P = 0.0002; and PM10: r = -0.60, P<0.0001). B: Pearson’s correlation analysis revealed a significant negative correlation between UVB intensity and air quality parameters (AQI: r = -0.49, P = 0.0010; PM2.5: r = -0.54, P = 0.0002; and PM10: r = -0.58, P<0.0001).