What is the air quality in Littleton today?

The current Air Quality Index (AQI) in Littleton is 12 (Good). PM2.5 concentration is 3.05 µg/m³.

What is the temperature in Littleton right now?

The current temperature in Littleton 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 Littleton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Littleton, United States

Rain

30.1°C · 17.0% humidity

30.1°

Feels 30.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

25 stations

Nearby Monitoring Stations

AQI Forecast

25 1pm

12 4pm

20 7pm

25 10pm

26 1am

25 4am

25 7am

25 10am

Air Quality Index Trend

47h · 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.

17.0%

Humidity

63.4 km/h

Wind NW

1009.7 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

3.05 µg/m³

PM10▲

20.55 µg/m³

050100150200300500

What is the weather forecast for Littleton?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.53.05 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX9.4

Very High

Station readings (25 stations within 25 km)

3.05

Median

5.3

Average

2.0

Low

9.8

High

PM2.5 µg/m³ · Model: 9.75 · Bias: +6.7

What is the 7-day forecast for Littleton?

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: 6.4°C

Where are air quality stations near Littleton?

Arapahoe Community College

1.0 km PM2.5: 2.0 µg/m³ PM10: 8.0 µg/m³

South Bannock Street

2.3 km PM2.5: 4.4 µg/m³

Broken Tee Golf Course

3.3 km PM2.5: 4.8 µg/m³

Runyon Elementary School

3.4 km PM2.5: 4.5 µg/m³

Sheridan Library

3.5 km PM2.5: 4.5 µg/m³

Sheridan Square Park

4.1 km PM2.5: 4.6 µg/m³

Cushing Park

5.5 km PM2.5: 4.2 µg/m³

Northwest Greenbelt

6.3 km PM2.5: 4.4 µg/m³

Dunston Middle School

13.0 km PM2.5: 4.1 µg/m³

I-25 Denver, Colorado, USA

13.2 km PM2.5: 7.7 µg/m³

What cities are near Littleton?

20 Columbine 20 Greenwood Village 19 Southglenn 20 Highlands Ranch 24 Ken Caryl 20 Castlewood 21 Dakota Ridge 21 Centennial 23 Denver 22 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 2026-05-28T22:52 UTC.