Air Quality in Highlands Ranch, United States

Windy
36.8°C · 8.5% humidity
36.8°
Feels 36.8°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
16 stations

Nearby Monitoring Stations

AQI Forecast
25 2pm
25
25
32 5pm
30
28
28 8pm
27
26
26 11pm
26
25
27 2am
27
27
27 5am
27
27
27 8am
27
27
25 11am
24
24
AD 728×90

Air Quality Index Trend

47h · 1 stn

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.

8.5%
Humidity
81.9 km/h
Wind SSE
998.6 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.62 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Highlands Ranch?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.57.62 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (16 stations within 25 km)
7.62
Median
7.75
Average
6.0
Low
8.95
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -1.6

What is the 7-day forecast for Highlands Ranch?

06-08
30.1° 18.4°
06-09
36.8° 22.2°
06-10
32.0° 17.7°
06-11
31.4° 18.0°
0.25 mm
06-12
35.9° 21.0°
0.44 mm
06-13
38.3° 16.0°
0.94 mm
06-14
28.8° 18.6°
3.31 mm
Both models agree Avg diff: 7.3°C

Where are air quality stations near Highlands Ranch?

31
Runyon Elementary School
4.3 km PM2.5: 7.5 µg/m³
33
Arapahoe Community College
7.1 km PM2.5: 8.0 µg/m³ PM10: 33.0 µg/m³
32
South Bannock Street
7.3 km PM2.5: 7.7 µg/m³
35
Broken Tee Golf Course
10.6 km PM2.5: 8.5 µg/m³
29
Sheridan Library
11.2 km PM2.5: 7.0 µg/m³
33
Sheridan Square Park
11.8 km PM2.5: 7.9 µg/m³
30
Cushing Park
12.0 km PM2.5: 7.1 µg/m³
15
Northwest Greenbelt
13.4 km PM2.5: 3.7 µg/m³
29
May Library
16.6 km PM2.5: 7.0 µg/m³
25
Smoky Hill Library
17.3 km PM2.5: 6.0 µg/m³

What cities are near Highlands Ranch?

32 Southglenn 31 Castlewood 32 Greenwood Village 33 Littleton 31 Centennial 33 Columbine 33 Ken Caryl 34 Dakota Ridge 28 Parker 34 Denver
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:19 UTC.