Built by a class and left public, so the next lot can compare theirs against it.
PM2.5
32.5 µg/m³
Peak PM2.5
32.1 µg/m³
PM10
49 µg/m³
Nitrogen dioxide
39.1 µg/m³
Last updated: 7/31/2026, 8:17:24 PM
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| Time | PM2.5 (µg/m³) | Peak PM2.5 (µg/m³) | PM10 (µg/m³) | Nitrogen dioxide (µg/m³) |
|---|---|---|---|---|
| 7/31/2026, 8:17:24 PM | 32.5 µg/m³ | 32.1 µg/m³ | 49 µg/m³ | 39.1 µg/m³ |
| 7/31/2026, 8:00:00 PM | 29.5 µg/m³ | 29.1 µg/m³ | 46.6 µg/m³ | 47.2 µg/m³ |
| 7/31/2026, 7:30:00 PM | 27.8 µg/m³ | 28 µg/m³ | 40.2 µg/m³ | 48.5 µg/m³ |
| 7/31/2026, 7:00:00 PM | 22.4 µg/m³ | 22.7 µg/m³ | 35 µg/m³ | 45.8 µg/m³ |
| 7/31/2026, 6:30:00 PM | 20.4 µg/m³ | 21 µg/m³ | 29.8 µg/m³ | 38.2 µg/m³ |
| 7/31/2026, 6:00:00 PM | 18.3 µg/m³ | 16.5 µg/m³ | 27.8 µg/m³ | 31.3 µg/m³ |
| 7/31/2026, 5:30:00 PM | 15 µg/m³ | 15.2 µg/m³ | 23.6 µg/m³ | 26.1 µg/m³ |
| 7/31/2026, 5:00:00 PM | 13.6 µg/m³ | 13.2 µg/m³ | 21.7 µg/m³ | 20.6 µg/m³ |
| 7/31/2026, 4:30:00 PM | 12 µg/m³ | 12.3 µg/m³ | 22.9 µg/m³ | 15.2 µg/m³ |
| 7/31/2026, 4:00:00 PM | 13 µg/m³ | 11.8 µg/m³ | 21.3 µg/m³ | 12.9 µg/m³ |
| 7/31/2026, 3:30:00 PM | 12.5 µg/m³ | 11.4 µg/m³ | 20.3 µg/m³ | 11.7 µg/m³ |
| 7/31/2026, 3:00:00 PM | 11.8 µg/m³ | 11.2 µg/m³ | 21.1 µg/m³ | 10.2 µg/m³ |
| 7/31/2026, 2:30:00 PM | 13.3 µg/m³ | 11.1 µg/m³ | 19.2 µg/m³ | 8.5 µg/m³ |
| 7/31/2026, 2:00:00 PM | 12.4 µg/m³ | 11.1 µg/m³ | 19.4 µg/m³ | 8.4 µg/m³ |
| 7/31/2026, 1:30:00 PM | 12.8 µg/m³ | 11 µg/m³ | 21.7 µg/m³ | 9.4 µg/m³ |
| 7/31/2026, 1:00:00 PM | 11.3 µg/m³ | 11.1 µg/m³ | 20.9 µg/m³ | 9.5 µg/m³ |
| 7/31/2026, 12:30:00 PM | 12.5 µg/m³ | 11.3 µg/m³ | 21.4 µg/m³ | 10.3 µg/m³ |
| 7/31/2026, 12:00:00 PM | 12 µg/m³ | 11.4 µg/m³ | 23 µg/m³ | 10.3 µg/m³ |
| 7/31/2026, 11:30:00 AM | 11.4 µg/m³ | 12 µg/m³ | 23.9 µg/m³ | 8.9 µg/m³ |
| 7/31/2026, 11:00:00 AM | 13.8 µg/m³ | 13.1 µg/m³ | 26.1 µg/m³ | 14.7 µg/m³ |
| 7/31/2026, 10:30:00 AM | 14 µg/m³ | 14.6 µg/m³ | 30.4 µg/m³ | 17.3 µg/m³ |
| 7/31/2026, 10:00:00 AM | 17.4 µg/m³ | 16.6 µg/m³ | 33.5 µg/m³ | 22.8 µg/m³ |
| 7/31/2026, 9:30:00 AM | 19.4 µg/m³ | 19.2 µg/m³ | 39.5 µg/m³ | 28.3 µg/m³ |
| 7/31/2026, 9:00:00 AM | 22.9 µg/m³ | 21.8 µg/m³ | 46 µg/m³ | 37.3 µg/m³ |
| 7/31/2026, 8:30:00 AM | 24.8 µg/m³ | 25.9 µg/m³ | 49.4 µg/m³ | 42.4 µg/m³ |