Air Quality History for Bellingham, United States
Historical PM2.5 and AQI trend from monitoring stations near Bellingham, United States.
PM2.5 Trend
278h · 1 stationDaily Summary
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-04-11 | 21 | 21–21 | 5.1 µg/m³ | 1h | 1 |
| 2026-04-10 | 16 | 8–24 | 3.9 µg/m³ | 22h | 1 |
| 2026-04-09 | 14 | 10–20 | 3.4 µg/m³ | 13h | 1 |
| 2026-04-08 | 7 | 5–12 | 1.6 µg/m³ | 10h | 1 |
| 2026-04-07 | 11 | 5–18 | 2.6 µg/m³ | 24h | 1 |
| 2026-04-06 | 12 | 5–23 | 2.9 µg/m³ | 16h | 1 |
| 2026-04-04 | 9 | 5–14 | 2.1 µg/m³ | 16h | 1 |
| 2026-04-03 | 6 | 3–7 | 1.4 µg/m³ | 7h | 1 |
| 2026-04-02 | 4 | 2–8 | 1.1 µg/m³ | 21h | 1 |
| 2026-04-01 | 7 | 3–17 | 1.7 µg/m³ | 21h | 1 |
| 2026-03-31 | 7 | 3–12 | 1.7 µg/m³ | 21h | 1 |
| 2026-03-30 | 5 | 2–15 | 1.3 µg/m³ | 10h | 1 |
| 2026-03-29 | 4 | 2–7 | 1.0 µg/m³ | 21h | 1 |
| 2026-03-28 | 11 | 5–21 | 2.6 µg/m³ | 22h | 1 |
| 2026-03-27 | 6 | 4–12 | 1.3 µg/m³ | 24h | 1 |
| 2026-03-26 | 6 | 2–9 | 1.3 µg/m³ | 24h | 1 |
| 2026-03-25 | 5 | 2–8 | 1.2 µg/m³ | 5h | 1 |