What is the air quality in Littleton today?

The current Air Quality Index (AQI) in Littleton is 31 (Good). PM2.5 concentration is 7.44 µg/m³.

What is the temperature in Littleton right now?

The current temperature in Littleton is 16.0°C (feels like 16.0°C). Humidity is 35.4% and wind speed is 23.1 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

Clear

16.0°C · 35.4% humidity

16.0°

Feels 16.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

23 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

27 3pm

175

500 6pm

157

157 9pm

157

157 12am

157

169

182 3am

182

169 6am

169

157

157 9am

157

157 12pm

157

Station readings

175

500

CAMS model adj +132

PM2.5 Trend (24h)

27h · 1 station

35.4%

Humidity

23.1 km/h

Wind E

1007.6 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Littleton?

Temperature & Precipitation

PM2.57.44 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (23 stations within 25 km)

7.44

Median

7.73

Average

4.3

Low

10.37

High

PM2.5 µg/m³ · Model: 4.4 · Bias: -3.0

What is the 7-day forecast for Littleton?

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: 3.1°C

Where are air quality stations near Littleton?

Arapahoe Community College

1.0 km PM2.5: 10.0 µg/m³ PM10: 56.0 µg/m³

South Bannock Street

2.3 km PM2.5: 5.7 µg/m³

Broken Tee Golf Course

3.3 km PM2.5: 9.8 µg/m³

Runyon Elementary School

3.4 km PM2.5: 5.6 µg/m³

Sheridan Library

3.5 km PM2.5: 8.4 µg/m³

Sheridan Square Park

4.1 km PM2.5: 9.6 µg/m³

Cushing Park

5.5 km PM2.5: 6.8 µg/m³

Northwest Greenbelt

6.3 km PM2.5: 8.4 µg/m³

Dunston Middle School

13.0 km PM2.5: 5.2 µg/m³

109

I-25 Denver, Colorado, USA

13.2 km

What cities are near Littleton?

33 Columbine 30 Greenwood Village 35 Southglenn 36 Highlands Ranch 35 Ken Caryl 36 Castlewood 33 Dakota Ridge 36 Centennial 29 Denver 30 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 2026-04-09T18:37 UTC.