Air Quality History for Hemel Hempstead, United Kingdom
Historical PM2.5 and AQI trend from monitoring stations near Hemel Hempstead, United Kingdom.
4
Current AQI
Good Station
Good Station
Air Quality Index Station
412hPM2.5 Station
412h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-08-08 | 7 | 2–16 | 1.8 µg/m³ | 2.0 | 3h | 1 |
| 2026-08-07 | 4 | 4–7 | 1.1 µg/m³ | 1.1 | 14h | 1 |
| 2026-08-06 | 4 | 1–9 | 0.9 µg/m³ | 1.5 | 14h | 1 |
| 2026-08-05 | 4 | 1–8 | 1.0 µg/m³ | 1.3 | 20h | 1 |
| 2026-08-04 | 18 | 1–41 | 4.4 µg/m³ | 4.6 | 19h | 1 |
| 2026-08-03 | 15 | 4–35 | 3.6 µg/m³ | 3.7 | 23h | 1 |
| 2026-08-02 | 9 | 2–32 | 2.1 µg/m³ | 2.3 | 21h | 1 |
| 2026-08-01 | 4 | 2–8 | 1.1 µg/m³ | 1.2 | 21h | 1 |
| 2026-07-31 | 4 | 1–8 | 1.1 µg/m³ | 1.4 | 14h | 1 |
| 2026-07-30 | 5 | 2–8 | 1.1 µg/m³ | 1.2 | 21h | 1 |
| 2026-07-29 | 7 | 2–23 | 1.8 µg/m³ | 1.9 | 23h | 1 |
| 2026-07-28 | 8 | 2–20 | 2.0 µg/m³ | 2.2 | 23h | 1 |
| 2026-07-27 | 5 | 4–12 | 1.2 µg/m³ | 1.3 | 18h | 1 |
| 2026-07-26 | 6 | 1–30 | 1.5 µg/m³ | 1.8 | 22h | 1 |
| 2026-07-25 | 14 | 4–56 | 3.5 µg/m³ | 3.8 | 24h | 1 |
| 2026-07-24 | 10 | 4–29 | 2.4 µg/m³ | 3.1 | 23h | 1 |
| 2026-07-23 | 12 | 4–28 | 2.8 µg/m³ | 3.7 | 22h | 1 |
| 2026-07-22 | 25 | 4–92 | 6.4 µg/m³ | 7.5 | 24h | 1 |
| 2026-07-21 | 10 | 2–32 | 2.4 µg/m³ | 3.0 | 24h | 1 |
| 2026-07-20 | 6 | 2–13 | 1.4 µg/m³ | 1.6 | 23h | 1 |
| 2026-07-19 | 5 | 2–9 | 1.3 µg/m³ | 1.5 | 16h | 1 |