Air Quality History for Watford, United Kingdom
Historical PM2.5 and AQI trend from monitoring stations near Watford, United Kingdom.
30
Current AQI
Good Station
Good Station
Air Quality Index Station
190hPM2.5 Station
190h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-10-22 | 6 | 4–10 | 1.4 µg/m³ | 1.4 | 3h | 1 |
| 2026-10-21 | 26 | 8–54 | 6.4 µg/m³ | 7.0 | 13h | 1 |
| 2026-10-20 | 68 | 18–135 | 21.5 µg/m³ | 25.6 | 24h | 1 |
| 2026-10-19 | 27 | 2–59 | 6.6 µg/m³ | 8.5 | 23h | 1 |
| 2026-10-18 | 5 | 4–8 | 1.1 µg/m³ | 1.3 | 7h | 1 |
| 2026-10-17 | 4 | 2–10 | 1.0 µg/m³ | 1.9 | 10h | 1 |
| 2026-10-16 | 4 | 2–7 | 1.0 µg/m³ | 2.2 | 11h | 1 |
| 2026-10-15 | 5 | 4–11 | 1.3 µg/m³ | 1.7 | 23h | 1 |
| 2026-10-14 | 4 | 1–6 | 0.8 µg/m³ | 1.3 | 15h | 1 |
| 2026-10-13 | 4 | 2–12 | 1.0 µg/m³ | 1.9 | 15h | 1 |
| 2026-10-12 | 14 | 1–58 | 3.4 µg/m³ | 3.9 | 24h | 1 |
| 2026-10-11 | 7 | 4–15 | 1.6 µg/m³ | 1.7 | 6h | 1 |
| 2026-10-10 | 5 | 3–9 | 1.2 µg/m³ | 2.4 | 5h | 1 |
| 2026-10-09 | 4 | 1–12 | 0.9 µg/m³ | 1.9 | 8h | 1 |
| 2026-10-08 | 4 | 4–5 | 1.1 µg/m³ | 1.1 | 3h | 1 |