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. 2020 Aug 25;20(17):4796. doi: 10.3390/s20174796

Table 4.

Average PM2.5 linear regression parameters a for 2 sensors of each type at AIRS during ambient monitoring.

Sensor PM2.5 Collocation Dates N (hr) Slope Intercept R2 MBE (µg/m3) NRMSE (%) PDavg (%)
AQY 8/9/18–10/18/19 1186 0.89 −0.21 0.37 * −0.01 58 13.4
PA CF = atm 8/10/18–4/30/19 4654 1.61 −1.40 0.86 * 2.89 66 6.9
PA CF = 1 8/10/18–4/30/19 4654 1.63 −1.51 0.86 * 2.92 67 6.9
RAMP 12/12/18–7/31/19 3041 0.88 2.45 0.92 * 1.64 34 6.7

a PM2.5 sensor = Intercept + Slope PM2.5 reference, * Statistically significant at p < 0.01.