What is the air quality in Littleton today?

The current Air Quality Index (AQI) in Littleton is 18 (Good). PM2.5 concentration is 4.16 µg/m³.

What is the temperature in Littleton right now?

The current temperature in Littleton is 17.4°C (feels like 17.4°C). Humidity is 58.6% and wind speed is 60.5 km/h.

Is it safe to go outside in Littleton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Littleton, United States

Drizzle

17.4°C · 58.6% humidity

17.4°

Feels 17.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

22 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

19 9pm

175

173

97 12am

109

122 3am

122

109 6am

109

97 9am

97 12pm

97 3pm

97 6pm

109

Station readings

175

173

CAMS model adj +72

PM2.5 Trend (24h)

25h · 35 stations

58.6%

Humidity

60.5 km/h

Wind NNE

1005.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Littleton?

Temperature & Precipitation

PM2.54.16 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (22 stations within 25 km)

4.16

Median

4.2

Average

3.0

Low

5.7

High

PM2.5 µg/m³ · Model: 4.4 · Bias: +0.2

Both models agree Avg diff: 3.8°C

Where are air quality stations near Littleton?

Arapahoe Community College

1.0 km PM2.5: 3.0 µg/m³ PM10: 20.0 µg/m³

South Bannock Street

2.3 km PM2.5: 4.0 µg/m³

Broken Tee Golf Course

3.3 km PM2.5: 4.2 µg/m³

Runyon Elementary School

3.4 km PM2.5: 4.0 µg/m³

Sheridan Library

3.5 km PM2.5: 4.0 µg/m³

Sheridan Square Park

4.1 km PM2.5: 4.1 µg/m³

Cushing Park

5.5 km PM2.5: 3.8 µg/m³

Northwest Greenbelt

6.3 km PM2.5: 4.2 µg/m³

Dunston Middle School

13.0 km PM2.5: 4.1 µg/m³

May Library

13.7 km PM2.5: 4.2 µg/m³

What cities are near Littleton?

18 Columbine 18 Greenwood Village 18 Southglenn 18 Highlands Ranch 18 Ken Caryl 18 Castlewood 18 Dakota Ridge 18 Centennial 18 Denver 18 Wheat Ridge

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:43 UTC.