Air Quality in Highlands Ranch, United States
Drizzle
17.4°C · 58.6% humidity
17.4°
Feels 17.4°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
16 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
26
6pm
22
27
14
9pm
27
27
27
12am
27
39
39
3am
52
52
39
6am
39
39
39
9am
52
39
39
12pm
39
39
39
3pm
39
39
Station readings
26
22
CAMS model
adj +2
25
25
25
12
25
25
25
25
37
37
50
50
37
37
37
37
50
37
37
37
37
37
37
37
PM2.5 Trend (24h)
24h · 36 stations58.6%
Humidity
60.5 km/h
Wind NNE
1005.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Highlands Ranch?
Temperature & Precipitation
PM2.56.66 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (16 stations within 25 km)
6.66
Median
6.42
Average
2.0
Low
9.59
High
PM2.5 µg/m³ · Model: 4.4 · Bias: -2.3
What is the 7-day forecast for Highlands Ranch?
04-09
19.5° 10.3°
0.62 mm
04-10
17.4° 10.8°
2.44 mm
04-11
20.0° 8.8°
13.56 mm
04-12
18.2° 10.4°
0.44 mm
04-13
16.9° 9.1°
0.06 mm
04-14
12.1° 4.3°
5.06 mm
04-15
12.4° 6.6°
0.13 mm
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Highlands Ranch?
18
Runyon Elementary School
12
Arapahoe Community College
18
South Bannock Street
25
Broken Tee Golf Course
22
Sheridan Library
25
Sheridan Square Park
19
Cushing Park
23
Northwest Greenbelt
20
May Library
18
Smoky Hill Library
What cities are near Highlands Ranch?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:05 UTC.