AQI

Denver Air Quality Index & Realtime Air Pollution

Live AQI
54(AQI-US)
Air Quality is
Moderate
PM2.5 :13.4µg/m³
PM10 :13.7µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants Denver (Colorado)

PM2.513µg/m³
PM2.5
Fine particles
PM1014µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO188µg/m³
CO
Carbon monoxide
NO₂14µg/m³
NO₂
Nitrogen dioxide
O₃45µg/m³
O₃
Ozone

Hourly forecast Denver (Colorado)

Now24°
Overcast
09:0027°
Clear sky
10:0029°
Clear sky
11:0032°
Clear sky
12:0034°
Clear sky
13:0034°
Partly cloudy
14:0035°
Mostly clear
15:0034°
Overcast
16:0029°
Light drizzle
17:0030°
Light drizzle
18:0030°
Overcast
19:0028°
Partly cloudy
20:0027°
Overcast
21:0025°
Overcast
22:0024°
Overcast
23:0022°
Overcast
00:0022°
Overcast
01:0021°
Mostly clear
02:0019°
Clear sky
03:0019°
Overcast
04:0018°
Overcast
05:0018°
Overcast
06:0018°
Overcast
07:0018°
Overcast

Health Recommendations for Denver Residents

Based on current air quality: Moderate · AQI 54

Moderate
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust

UV Index

0.5

Low

Safe to be outside. Minimal UV risk.

Wind

9.5 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Denver (Colorado)

54
Min. AQIat 7:00 AM on 8th Jul
138
Max. AQIat 1:00 PM on 7th Jul
07-07-2026Time08-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

88
Moderate6x above Standard
81
Moderate5x above Standard
72
Moderate4x above Standard
72
Moderate4x above Standard
66
Moderate4x above Standard
64
Moderate4x above Standard
60
Moderate3x above Standard
59
Moderate3x above Standard
59
Moderate3x above Standard
58
Moderate3x above Standard
Last Updated: 07 Jul 2026, 18:56

Health Advice For People Living in Denver

0.6
Cigarettes
per day
Weekly4.2 Cigarettes
Monthly18 Cigarettes

Breathing the air in this location is equivalent to smoking 0.6 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Denver Current AQI (US)
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Denver · Current air quality: Moderate · AQI 54

Mild Trigger Risk

Headaches

Risk of Headaches symptoms is Mild when AQI of Denver is Moderate (51-100).

Common signs

Watch for: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Opt for indoor, air with filtration when the AQI is poor.
  • Increase fluids and rest from digital screens or intense light if you are migraine-prone.
  • If you Use prescribed migraine meds, Keep them accessible.
Don’ts :
  • Don’t do intense outdoor exercise during elevated AQI periods.
  • Do not ignore worsening signs that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Denver's Nearby Cities AQI

State: Colorado
Population: 65,065
Check AQI
State: Colorado
Population: 582,910
Check AQI
State: Colorado
Population: 107,349
Check AQI
State: Colorado
Population: 655,070
Check AQI
State: Colorado
Population: 519,572
Check AQI
State: Colorado
Population: 328,981
Check AQI
State: Colorado
Population: 622,263
Check AQI
State: Colorado
Population: 359,066
Check AQI
State: Colorado
Population: 109,412
Check AQI
10.Mesa
State: Colorado
Population: -
Check AQI

Air Quality FAQs at Denver, Colorado

The current real-time AQI (US) level in Denver, Colorado is 54 (Moderate). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Denver, Colorado have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are moderate for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.