What is the air quality in Littleton today?

The current Air Quality Index (AQI) in Littleton is 53 (Moderate). PM2.5 concentration is 13.21 µg/m³.

What is the temperature in Littleton right now?

The current temperature in Littleton is 35.1°C (feels like 35.1°C). Humidity is 13.3% and wind speed is 9.0 km/h.

Air Quality in Littleton, United States

Clear

35.1°C · 13.3% humidity

35.1°

Feels 35.1°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

29 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

14 11am

53 2pm

28 5pm

19 8pm

16 11pm

17 2am

14 5am

14 8am

Station readings

CAMS model adj -11

Air Quality Index Trend

15h · 1 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.

13.3%

Humidity

9.0 km/h

Wind NNW

1009.5 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.21 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Littleton?

Temperature & Precipitation

PM2.5 Trend

15h · 1 station

PM2.513.21 µg/m³ ✓ WHO

Moderate

PM1013.7 µg/m³

Good

UV INDEX10.9

Extreme

Station readings (29 stations within 25 km)

13.21

Median

15.44

Average

2.58

Low

18.66

High

PM2.5 µg/m³ · Model: 7.1 · Bias: -6.1

What is the 7-day forecast for Littleton?

07-21

35.1° 22.9°

07-22

37.0° 21.5°

07-23

25.0° 18.4°

1.13 mm

07-24

35.8° 22.9°

0.06 mm

07-25

35.4° 21.5°

3.31 mm

07-26

32.4° 22.3°

6.31 mm

07-27

36.7° 21.5°

Both models agree Avg diff: 4.0°C

Where are air quality stations near Littleton?

Arapahoe Community College

1.0 km PM2.5: 11.0 µg/m³ PM10: 42.0 µg/m³

South Bannock Street

2.3 km PM2.5: 18.2 µg/m³

Broken Tee Golf Course

3.3 km PM2.5: 19.5 µg/m³

Runyon Elementary School

3.4 km PM2.5: 18.8 µg/m³

Sheridan Library

3.5 km PM2.5: 16.8 µg/m³

Sheridan Square Park

4.1 km PM2.5: 18.5 µg/m³

Cushing Park

5.5 km PM2.5: 16.7 µg/m³

Northwest Greenbelt

6.3 km PM2.5: 18.9 µg/m³

Dunston Middle School

13.0 km PM2.5: 6.6 µg/m³

I-25 Denver, Colorado, USA

13.2 km PM2.5: 14.5 µg/m³

What cities are near Littleton?

57 Columbine 60 Greenwood Village 60 Southglenn 60 Highlands Ranch 57 Ken Caryl 60 Castlewood 56 Dakota Ridge 60 Centennial 59 Denver 59 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 2026-07-21T20:45 UTC.