What is the air quality in Fort Collins today?

The current Air Quality Index (AQI) in Fort Collins is 30 (Good). PM2.5 concentration is 7.18 µg/m³.

What is the temperature in Fort Collins right now?

The current temperature in Fort Collins is 37.5°C (feels like 37.5°C). Humidity is 7.0% and wind speed is 73.8 km/h.

Is it safe to go outside in Fort Collins?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in Fort Collins, United States

Windy

37.5°C · 7.0% humidity

37.5°

Feels 37.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

25 3pm

30 6pm

27 9pm

25 12am

25 3am

25 6am

25 9am

25 12pm

Air Quality Index Trend

46h · 6 stn

View full history →

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

7.0%

Humidity

73.8 km/h

Wind SW

997.2 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.18 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Fort Collins?

Temperature & Precipitation

PM2.5 Trend

46h · 6 stations

PM2.57.18 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (4 stations within 25 km)

7.18

Median

7.36

Average

7.09

Low

8.0

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.3

What is the 7-day forecast for Fort Collins?

06-09

37.5° 18.3°

06-10

31.8° 12.6°

0.13 mm

06-11

31.2° 15.1°

06-12

34.7° 14.4°

0.62 mm

06-13

34.1° 15.8°

0.25 mm

06-14

28.5° 20.1°

0.06 mm

06-15

27.8° 14.6°

0.13 mm

Both models agree Avg diff: 5.1°C

Where are air quality stations near Fort Collins?

FTW1

4.9 km PM2.5: 7.2 µg/m³

FTW2

4.9 km PM2.5: 7.1 µg/m³

FTW3

4.9 km PM2.5: 7.1 µg/m³

–

Fossil Creek

12.7 km

Timnath - Bethke Elementary

13.8 km PM2.5: 8.0 µg/m³ PM10: 43.0 µg/m³

What cities are near Fort Collins?

31 Loveland 33 Greeley 29 Evans 34 Longmont 30 Erie 13 Boulder 38 Cheyenne 30 Louisville 32 Broomfield 30 Northglenn

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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 2026-06-09T00:59 UTC.