Table 2.
Measure | No.a | Minimum | Maximum | Mean | SD | IQR | Quartiles 25%–75% |
---|---|---|---|---|---|---|---|
O3, μg/m3 | 408 | 17.99 | 254.10 | 76.82 | 36.81 | 45.62 | 52.15–97.67 |
CO, ppm | 408 | 0.65 | 6.09 | 1.78 | 0.95 | 0.81 | 1.18–1.99 |
NO2, μg/m3 | 408 | 46.02 | 217.23 | 103.02 | 35.56 | 44.43 | 75.97–120.40 |
SO2, μg/m3 | 408 | 2.67 | 25.11 | 9.90 | 4.07 | 5.50 | 6.66–12.10 |
PM10, μg/m3 | 408 | 15.93 | 99.08 | 42.03 | 18.63 | 22.33 | 28.27–50.06 |
Temperature, °C | 408 | 4.30 | 21.84 | 16.08 | 3.42 | 4.87 | 14.00–18.87 |
Humidity, % | 408 | 53.79 | 98.02 | 77.04 | 8.92 | 11.96 | 70.72–82.68 |
CO = carbon monoxide; NO2 = nitrogen dioxide; O3 = ozone; PM10 = particulate matter < 10 μm in diameter; ppm = parts per million; SO2 = sulfur dioxide. See Table 1 legend for expansion of other abbreviation.
Number of observations.