Air Quality in Castle Rock, United States
Drizzle
16.6°C · 68.3% humidity
16.6°
Feels 16.6°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
Calibrated
23
7pm
20
18
27
10pm
27
27
27
1am
27
27
27
4am
27
39
39
7am
39
39
39
10am
39
52
39
1pm
39
27
27
4pm
27
27
Station readings
23
20
18
CAMS model
adj +2
25
12
25
25
25
25
25
25
25
25
25
37
37
37
37
37
37
50
37
37
25
25
25
25
PM2.5 Trend (24h)
24h · 22 stations68.3%
Humidity
26.8 km/h
Wind N
1005.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Castle Rock?
Temperature & Precipitation
PM2.53.3 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castle Rock?
04-09
18.1° 8.9°
0.38 mm
04-10
16.6° 6.2°
3.63 mm
04-11
19.2° 5.7°
10.38 mm
04-12
15.6° 4.9°
0.44 mm
04-13
14.3° 3.7°
04-14
9.4° -0.1°
13.44 mm
04-15
11.0° 1.0°
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Castle Rock?
What cities are near Castle Rock?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:55 UTC.