Table 1.
Correlation coefficients (R2) for the 1-h average PM10 and PM2.5 concentrations reported by the sensor replicates and the reference monitor at Las Condes station. Each concentration is the average for the one-week campaign (n = 150)
| PM10 μg m−3 |
R2 | PM2.5 μg m−3 |
R2 | |
|---|---|---|---|---|
| Monitor | ||||
| TEOM 1400 | 65.1 | – | ||
| BAM 1020 (reference) | – | 25.4 | ||
| Sensor | ||||
| Unit #1 | 40.3 | 0.45 | 18.3 | 0.69 |
| Unit #2 | 38.6 | 0.41 | 20.7 | 0.67 |
| Unit #3 | 38.8 | 0.47 | 21.5 | 0.72 |
| Unit #4 | 38.0 | 0.44 | 19.1 | 0.68 |
| Unit #5 | 39.1 | 0.40 | 20.0 | 0.71 |
| Unit #6 | 40.5 | 0.45 | 20.9 | 0.71 |
| Unit #7 | 42.7 | 0.44 | 20.1 | 0.69 |