What is the air quality in Littleton today?

The current Air Quality Index (AQI) in Littleton is 23 (Good). PM2.5 concentration is 5.58 µg/m³.

What is the temperature in Littleton right now?

The current temperature in Littleton is 27.5°C (feels like 27.5°C). Humidity is 13.7% and wind speed is 30.8 km/h.

Is it safe to go outside in Littleton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Littleton, United States

Clear

27.5°C · 13.7% humidity

27.5°

Feels 27.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

26 stations

Nearby Monitoring Stations

AQI Forecast

25 8pm

23 11pm

25 2am

25 5am

25 8am

24 11am

24 2pm

24 5pm

Air Quality Index Trend

47h · 2 stn

View full history →

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

13.7%

Humidity

30.8 km/h

Wind SW

1002.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.58 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Littleton?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.55.58 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (26 stations within 25 km)

5.58

Median

6.04

Average

3.45

Low

10.3

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +0.9

What is the 7-day forecast for Littleton?

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

06-15

30.4° 22.2°

0.13 mm

Both models agree Avg diff: 7.1°C

Where are air quality stations near Littleton?

Arapahoe Community College

1.0 km PM2.5: 3.0 µg/m³ PM10: 7.0 µg/m³

South Bannock Street

2.3 km PM2.5: 5.4 µg/m³

Broken Tee Golf Course

3.3 km PM2.5: 5.6 µg/m³

Runyon Elementary School

3.4 km PM2.5: 5.5 µg/m³

Sheridan Library

3.5 km PM2.5: 5.4 µg/m³

Sheridan Square Park

4.1 km PM2.5: 5.5 µg/m³

Cushing Park

5.5 km PM2.5: 5.1 µg/m³

Northwest Greenbelt

6.3 km PM2.5: 3.7 µg/m³

Dunston Middle School

13.0 km PM2.5: 4.5 µg/m³

I-25 Denver, Colorado, USA

13.2 km PM2.5: 3.8 µg/m³

What cities are near Littleton?

26 Columbine 23 Greenwood Village 24 Southglenn 25 Highlands Ranch 28 Ken Caryl 24 Castlewood 25 Dakota Ridge 24 Centennial 31 Denver 24 Wheat 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 2026-06-09T05:37 UTC.