Measuring hours | Air quality monitoring parameters at the intersection after the friendship stage: S7 | ||||||
CO2 (ppm) | TVOC (mg/m³) | HCOH (mg/m³) | PM2.5 (mg/m³) | PM10 (mg/m³) | T˚C | AQI | |
7 h | 768 | 0.313 | 0.075 | 62.5 | 103.6 | 26.2 | 156 |
7:30 | 813 | 0.42 | 0.077 | 173.8 | 449.6 | 29.5 | 209 |
8 h | 466 | 0.118 | 0.01 | 67.2 | 98.1 | 31.3 | 153 |
8:30 | 799 | 0.421 | 0.064 | 70.8 | 110.1 | 31.2 | 130 |
9 h | 516 | 0.331 | 0.183 | 116.3 | 135.2 | 32.6 | 152 |
9:30 | 749 | 0.555 | 0.088 | 27.5 | 43.4 | 35.3 | 61 |
10 am | 467 | 0.42 | 0.107 | 32.9 | 48.8 | 33.8 | 83 |
10:30 a.m. | 979 | 1.28 | 0.119 | 54.6 | 39.8 | 32.7 | 243 |
11 am | 1226 | 1573 | 0.211 | 68.8 | 161.7 | 33.9 | 104 |
11:30 a.m. | 959 | 0.959 | 0.066 | 10.5 | 15.3 | 35.6 | 36 |
12 p.m. | 704 | 0.28 | 0.025 | 47.3 | 32.6 | 35.3 | 170 |
12:30 p.m. | 649 | 0.27 | 0.038 | 17.8 | 32.5 | 32.9 | 61 |
1 p.m. | 743 | 0.389 | 0.067 | 10.9 | 17.9 | 37.1 | 52 |
1:30 p.m. | 665 | 0.359 | 0.041 | 27.5 | 46.5 | 36.9 | 52 |
2 p.m. | 1252 | 1694 | 0.124 | 22 | 33.4 | 40.5 | 56 |
2:30 p.m. | 1023 | 1402 | 0.118 | 13 | 18.2 | 36.5 | 44 |
3 p.m. | 833 | 0.588 | 0.097 | 24.4 | 39.6 | 34.9 | 74 |
3:30 p.m. | 498 | 0.146 | 0.005 | 30.4 | 47.5 | 35.7 | 63 |
4 p.m. | 550 | 0.928 | 0.174 | 10 | 15.8 | 33.2 | 41 |
4:30 p.m. | 890 | 1321 | 0.082 | 22.1 | 24.8 | 34.8 | 56 |
5 p.m. | 946 | 0.744 | 0.12 | 9.6 | 20.6 | 32.3 | 56 |
5:30 p.m. | 809 | 0.501 | 0.083 | 14.6 | 24.8 | 33.7 | 56 |
6 p.m. | 657 | 0.02 | 0.02 | 14.6 | 24.8 | 32.3 | 56 |
6:30 p.m. | 1032 | 0.904 | 0.02 | 14.6 | 24.8 | 32.3 | 56 |
7 p.m. | 1115 | 1383 | 0.073 | 12.9 | 22.1 | 29 | 48 |