Air Quality History for Waterdown, Canada
Historical PM2.5 and AQI trend from monitoring stations near Waterdown, Canada.
35
Current AQI
Good Station
Good Station
Air Quality Index Station
94hPM2.5 Station
94h · 7 stationsTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-07-22 | 36 | 31–39 | 8.7 µg/m³ | 4h | 7 |
| 2026-07-21 | 38 | 35–44 | 9.2 µg/m³ | 3h | 7 |
| 2026-07-20 | 45 | 25–93 | 13.0 µg/m³ | 6h | 6 |
| 2026-07-19 | 77 | 30–160 | 29.0 µg/m³ | 4h | 7 |
| 2026-07-18 | 118 | 33–187 | 67.4 µg/m³ | 4h | 7 |
| 2026-07-17 | 286 | 278–295 | 236.6 µg/m³ | 2h | 7 |
| 2026-07-14 | 59 | 56–61 | 15.9 µg/m³ | 3h | 7 |
| 2026-07-13 | 65 | 54–69 | 18.7 µg/m³ | 8h | 7 |
| 2026-07-12 | 60 | 52–67 | 16.3 µg/m³ | 7h | 7 |
| 2026-07-11 | 46 | 31–65 | 11.5 µg/m³ | 14h | 7 |
| 2026-07-10 | 29 | 20–35 | 6.9 µg/m³ | 15h | 7 |
| 2026-07-09 | 38 | 31–47 | 9.0 µg/m³ | 13h | 7 |
| 2026-07-08 | 25 | 12–43 | 5.9 µg/m³ | 11h | 6 |