Air Quality History for Downtown Halifax, Canada
Historical PM2.5 and AQI trend from monitoring stations near Downtown Halifax, Canada.
20
Current AQI
Good Station
Good Station
Air Quality Index Station
350hPM2.5 Station
350h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-07-21 | 9 | 2–30 | 2.1 µg/m³ | 2.4 | 19h | 1 |
| 2026-07-20 | 8 | 1–15 | 1.9 µg/m³ | 2.3 | 10h | 1 |
| 2026-07-19 | 51 | 1–94 | 15.8 µg/m³ | 18.2 | 19h | 1 |
| 2026-07-18 | 14 | 1–63 | 3.7 µg/m³ | 4.5 | 16h | 1 |
| 2026-07-17 | 11 | 4–21 | 2.7 µg/m³ | 3.0 | 6h | 1 |
| 2026-07-16 | 43 | 8–69 | 11.5 µg/m³ | 13.1 | 24h | 1 |
| 2026-07-15 | 66 | 24–99 | 19.9 µg/m³ | 22.8 | 24h | 1 |
| 2026-07-14 | 20 | 3–60 | 4.9 µg/m³ | 6.0 | 24h | 1 |
| 2026-07-13 | 38 | 11–65 | 9.8 µg/m³ | 11.8 | 24h | 1 |
| 2026-07-12 | 20 | 4–40 | 4.8 µg/m³ | 5.3 | 18h | 1 |
| 2026-07-11 | 36 | 8–64 | 8.9 µg/m³ | 10.6 | 24h | 1 |
| 2026-07-10 | 49 | 10–70 | 12.9 µg/m³ | 14.6 | 24h | 1 |
| 2026-07-09 | 16 | 2–55 | 3.9 µg/m³ | 4.5 | 19h | 1 |
| 2026-07-08 | 8 | 1–23 | 1.9 µg/m³ | 2.7 | 9h | 1 |
| 2026-07-07 | 12 | 1–26 | 2.9 µg/m³ | 3.2 | 13h | 1 |
| 2026-07-06 | 19 | 19–19 | 4.5 µg/m³ | — | 1h | 3 |
| 2026-07-05 | 46 | 4–72 | 12.9 µg/m³ | 14.1 | 15h | 1 |
| 2026-07-04 | 66 | 35–108 | 19.5 µg/m³ | 21.0 | 24h | 1 |
| 2026-07-03 | 61 | 43–75 | 17.3 µg/m³ | 19.5 | 24h | 1 |
| 2026-07-02 | 43 | 19–70 | 11.2 µg/m³ | 13.0 | 13h | 1 |