What is the air quality in Centennial today?

The current Air Quality Index (AQI) in Centennial is 19 (Good). PM2.5 concentration is 4.54 µg/m³.

What is the temperature in Centennial right now?

The current temperature in Centennial is 30.1°C (feels like 30.1°C). Humidity is 17.0% and wind speed is 63.4 km/h.

Is it safe to go outside in Centennial?

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

Air Quality in Centennial, United States

Rain

30.1°C · 17.0% humidity

30.1°

Feels 30.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

12 stations

Nearby Monitoring Stations

AQI Forecast

25 12pm

19 3pm

23 6pm

26 9pm

34 12am

25 3am

25 6am

25 9am

Air Quality Index Trend

47h · 3 stn

View full history →

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

17.0%

Humidity

63.4 km/h

Wind NW

1009.7 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.54 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Centennial?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations

PM2.54.54 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX10.9

Extreme

Station readings (12 stations within 25 km)

4.54

Median

4.7

Average

2.0

Low

6.5

High

PM2.5 µg/m³ · Model: 7.1 · Bias: +2.6

What is the 7-day forecast for Centennial?

05-28

30.4° 13.6°

1.19 mm

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°

Both models agree Avg diff: 6.3°C

Where are air quality stations near Centennial?

Smoky Hill Library

9.0 km PM2.5: 5.5 µg/m³

Runyon Elementary School

10.4 km PM2.5: 4.4 µg/m³

South Bannock Street

10.6 km PM2.5: 4.2 µg/m³

May Library

12.4 km PM2.5: 4.6 µg/m³

Arapahoe Community College

12.5 km PM2.5: 2.0 µg/m³ PM10: 6.0 µg/m³

Cushing Park

13.6 km PM2.5: 4.2 µg/m³

Broken Tee Golf Course

13.7 km PM2.5: 4.7 µg/m³

Sheridan Library

14.9 km PM2.5: 4.5 µg/m³

Sheridan Square Park

15.3 km PM2.5: 4.6 µg/m³

Northwest Greenbelt

15.3 km PM2.5: 4.4 µg/m³

What cities are near Centennial?

19 Castlewood 18 Southglenn 18 Greenwood Village 18 Highlands Ranch 19 Parker 12 Littleton 18 Columbine 22 Denver 20 Ken Caryl 20 Dakota Ridge

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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 2026-05-28T21:46 UTC.