Air Quality History for Castle Rock, United States
Historical PM2.5 and AQI trend from monitoring stations near Castle Rock, United States.
29
Current AQI
Good CAMS model
Good CAMS model
Air Quality Index Station
479hPM2.5 Station
479h · 3 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-06-09 | 25 | 21–28 | 5.8 µg/m³ | 7.0 | 3h | 17 |
| 2026-06-08 | 25 | 16–35 | 6.0 µg/m³ | 28.8 | 24h | 22 |
| 2026-06-07 | 20 | 17–27 | 4.8 µg/m³ | 12.4 | 24h | 22 |
| 2026-06-06 | 25 | 18–37 | 5.9 µg/m³ | 15.3 | 24h | 22 |
| 2026-06-05 | 29 | 17–115 | 7.5 µg/m³ | 12.6 | 24h | 23 |
| 2026-06-04 | 21 | 18–27 | 5.0 µg/m³ | 9.8 | 24h | 23 |
| 2026-06-03 | 24 | 20–31 | 5.7 µg/m³ | 18.0 | 24h | 23 |
| 2026-06-02 | 23 | 19–30 | 5.5 µg/m³ | 12.0 | 24h | 23 |
| 2026-06-01 | 24 | 17–52 | 5.7 µg/m³ | 10.0 | 24h | 20 |
| 2026-05-31 | 18 | 15–25 | 4.3 µg/m³ | 5.7 | 24h | 23 |
| 2026-05-30 | 22 | 18–35 | 5.2 µg/m³ | 8.4 | 24h | 22 |
| 2026-05-29 | 23 | 16–33 | 5.6 µg/m³ | 8.4 | 24h | 22 |
| 2026-05-28 | 20 | 8–37 | 4.7 µg/m³ | 6.0 | 24h | 20 |
| 2026-05-27 | 19 | 17–24 | 4.5 µg/m³ | 3.3 | 24h | 22 |
| 2026-05-26 | 21 | 18–26 | 5.1 µg/m³ | 10.3 | 24h | 22 |
| 2026-05-25 | 20 | 17–23 | 4.8 µg/m³ | 6.1 | 24h | 22 |
| 2026-05-24 | 20 | 16–27 | 4.9 µg/m³ | 8.2 | 24h | 22 |
| 2026-05-23 | 18 | 14–30 | 4.3 µg/m³ | 2.8 | 24h | 21 |
| 2026-05-22 | 21 | 15–28 | 5.0 µg/m³ | 6.0 | 24h | 20 |
| 2026-05-21 | 29 | 21–36 | 6.9 µg/m³ | 8.4 | 24h | 21 |
| 2026-05-20 | 26 | 14–43 | 6.4 µg/m³ | 5.2 | 20h | 21 |