Air Quality History for Montréal, Canada
Historical PM2.5 and AQI trend from monitoring stations near Montréal, Canada.
5
Current AQI
Good Station
Good Station
Air Quality Index Station
431hPM2.5 Station
431h · 2 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-05-30 | 9 | 4–14 | 2.1 µg/m³ | 0.8 | 6h | 2 |
| 2026-05-29 | 21 | 2–60 | 5.3 µg/m³ | 4.4 | 24h | 3 |
| 2026-05-28 | 12 | 2–70 | 2.9 µg/m³ | 2.6 | 22h | 2 |
| 2026-05-27 | 11 | 3–42 | 2.6 µg/m³ | 1.0 | 21h | 3 |
| 2026-05-26 | 28 | 5–44 | 6.6 µg/m³ | 3.1 | 24h | 3 |
| 2026-05-25 | 15 | 2–31 | 3.3 µg/m³ | 1.7 | 15h | 2 |
| 2026-05-24 | 18 | 3–70 | 4.6 µg/m³ | 3.2 | 24h | 3 |
| 2026-05-23 | 24 | 3–81 | 6.1 µg/m³ | 4.0 | 24h | 3 |
| 2026-05-22 | 9 | 1–41 | 2.1 µg/m³ | 1.1 | 22h | 2 |
| 2026-05-21 | 10 | 1–41 | 2.4 µg/m³ | 1.4 | 15h | 2 |
| 2026-05-20 | 25 | 2–47 | 6.1 µg/m³ | 3.0 | 19h | 3 |
| 2026-05-19 | 53 | 10–151 | 15.4 µg/m³ | 6.2 | 24h | 3 |
| 2026-05-18 | 14 | 1–42 | 3.3 µg/m³ | 2.1 | 23h | 2 |
| 2026-05-17 | 31 | 1–82 | 8.3 µg/m³ | 3.7 | 24h | 2 |
| 2026-05-16 | 20 | 3–66 | 5.0 µg/m³ | 1.9 | 24h | 3 |
| 2026-05-15 | 42 | 6–95 | 12.1 µg/m³ | 4.5 | 24h | 3 |
| 2026-05-14 | 48 | 22–83 | 12.8 µg/m³ | 4.8 | 24h | 3 |
| 2026-05-13 | 13 | 4–30 | 3.2 µg/m³ | 1.9 | 24h | 3 |
| 2026-05-12 | 5 | 2–12 | 1.1 µg/m³ | 1.0 | 12h | 1 |
| 2026-05-11 | 9 | 1–65 | 2.2 µg/m³ | 2.5 | 20h | 2 |
| 2026-05-10 | 19 | 1–116 | 5.7 µg/m³ | 5.0 | 16h | 2 |