What is the air quality in Castlewood today?

The current Air Quality Index (AQI) in Castlewood is 19 (Good). PM2.5 concentration is 4.6 µg/m³.

What is the temperature in Castlewood right now?

The current temperature in Castlewood is 29.4°C (feels like 29.4°C). Humidity is 11.2% and wind speed is 6.4 km/h.

Is it safe to go outside in Castlewood?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 10.9 (Extreme).

Air Quality in Castlewood, United States

Clear

29.4°C · 11.2% humidity

29.4°

Feels 29.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

19 stations

Nearby Monitoring Stations

AQI Forecast

25 1pm

19 4pm

23 7pm

33 10pm

27 1am

27 4am

34 7am

27 10am

Air Quality Index Trend

47h · 2 stn

View full history →

Castlewood's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

11.2%

Humidity

6.4 km/h

Wind NNW

1001.0 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castlewood?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.54.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX10.9

Extreme

Station readings (19 stations within 25 km)

4.6

Median

4.92

Average

3.6

Low

9.4

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +1.4

What is the 7-day forecast for Castlewood?

05-29

30.1° 14.3°

12.06 mm

05-30

30.2° 15.8°

0.13 mm

05-31

29.2° 15.5°

1.5 mm

06-01

28.7° 16.6°

06-02

35.5° 20.5°

0.06 mm

06-03

34.7° 19.5°

06-04

33.2° 13.6°

7.0 mm

Both models agree Avg diff: 6.0°C

Where are air quality stations near Castlewood?

Runyon Elementary School

8.3 km PM2.5: 4.2 µg/m³

South Bannock Street

8.5 km PM2.5: 4.1 µg/m³

Arapahoe Community College

10.4 km PM2.5: 2.0 µg/m³ PM10: 4.0 µg/m³

Smoky Hill Library

10.6 km PM2.5: 4.1 µg/m³

Broken Tee Golf Course

11.6 km PM2.5: 5.0 µg/m³

Cushing Park

11.7 km PM2.5: 4.0 µg/m³

May Library

11.8 km PM2.5: 4.2 µg/m³

Sheridan Library

12.8 km PM2.5: 3.8 µg/m³

Sheridan Square Park

13.2 km PM2.5: 4.0 µg/m³

Northwest Greenbelt

13.4 km PM2.5: 4.4 µg/m³

What cities are near Castlewood?

19 Centennial 19 Southglenn 18 Greenwood Village 20 Highlands Ranch 18 Littleton 17 Parker 22 Columbine 24 Ken Caryl 18 Denver 20 Dakota Ridge

Get AQI alerts for Castlewood

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T22:37 UTC.