Air Quality History for Hemel Hempstead, United Kingdom
Historical PM2.5 and AQI trend from monitoring stations near Hemel Hempstead, United Kingdom.
8
Current AQI
Good Station
Good Station
Air Quality Index Station
275hPM2.5 Station
275h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-10-21 | 26 | 8–54 | 6.3 µg/m³ | 7.0 | 11h | 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 | 1–5 | 1.0 µg/m³ | 1.0 | 10h | 1 |
| 2026-10-07 | 12 | 2–52 | 2.6 µg/m³ | 2.9 | 21h | 1 |
| 2026-10-06 | 7 | 1–22 | 1.6 µg/m³ | 1.9 | 12h | 1 |
| 2026-10-05 | 9 | 3–35 | 2.2 µg/m³ | 2.6 | 9h | 1 |
| 2026-10-04 | 6 | 4–15 | 1.4 µg/m³ | 2.1 | 14h | 1 |
| 2026-10-03 | 5 | 3–12 | 1.3 µg/m³ | 1.4 | 20h | 1 |
| 2026-10-02 | 6 | 1–14 | 1.5 µg/m³ | 1.6 | 6h | 1 |
| 2026-10-01 | 6 | 6–6 | 1.5 µg/m³ | 7.4 | 1h | 1 |