What is the air quality in Highlands Ranch today?

The current Air Quality Index (AQI) in Highlands Ranch is 25 (Good). PM2.5 concentration is 6.0 µg/m³.

What is the temperature in Highlands Ranch right now?

The current temperature in Highlands Ranch is 22.2°C (feels like 22.2°C). Humidity is 25.3% and wind speed is 36.0 km/h.

Is it safe to go outside in Highlands Ranch?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Highlands Ranch, United States

Clear

22.2°C · 25.3% humidity

22.2°

Feels 22.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated

0 6am

25 9am

10 12pm

4 3pm

1 6pm

7 9pm

27 12am

27 3am

Station readings 28h ago

AQI 0

PM2.5 0.1 µg/m³ · 28h ago

Air Quality Index Trend

45h · 44 stn

View full history →

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

25.3%

Humidity

36.0 km/h

Wind NE

1019.0 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Highlands Ranch?

Temperature & Precipitation

PM2.5 Trend

45h · 44 stations

PM2.56.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX6.9

High

What is the 7-day forecast for Highlands Ranch?

09-05

30.4° 22.2°

09-06

34.2° 11.5°

5.38 mm

09-07

31.5° 19.6°

3.81 mm

09-08

26.5° 18.8°

0.06 mm

09-09

31.7° 21.8°

0.19 mm

09-10

32.1° 14.5°

0.13 mm

09-11

30.4° 16.2°

Both models agree Avg diff: 4.7°C

Where are air quality stations near Highlands Ranch?

Runyon Elementary School

4.3 km PM2.5: 4.4 µg/m³

Arapahoe Community College

7.1 km PM2.5: 3.0 µg/m³ PM10: 11.0 µg/m³

South Bannock Street

7.3 km PM2.5: 4.3 µg/m³

Chatfield Park, Colorado, USA

8.9 km PM2.5: 32.1 µg/m³

Broken Tee Golf Course

10.6 km PM2.5: 4.4 µg/m³

Sheridan Library

11.2 km PM2.5: 4.1 µg/m³

Sheridan Square Park

11.8 km PM2.5: 4.3 µg/m³

Cushing Park

12.0 km PM2.5: 4.3 µg/m³

Northwest Greenbelt

13.4 km PM2.5: 4.4 µg/m³

May Library

16.6 km PM2.5: 4.6 µg/m³

What cities are near Highlands Ranch?

25 Southglenn 25 Castlewood 25 Greenwood Village 25 Littleton 25 Centennial 25 Columbine 25 Ken Caryl 25 Dakota Ridge 25 Parker 26 Denver

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.