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Colorado Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in United States

Last Updated: 6 seconds ago (Local Time)

location image
Live AQI
39(AQI-US)
Air Quality is
Good
pm10 :  16 µg/m³
PM2.5 :  7 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Colorado
sunny

25 °C

Sunny
Humidity
Humidity42 %

Wind Speed
Wind Speed6 km/h

UV Index
UV Index6
Last Updated: 6 seconds ago (Local Time)


Map

Colorado

Major Air Pollutants

Colorado

AQI Graph

Historical Air Quality Data

Colorado

Colorado
AQI
.
23-08-2025Time24-08-2025
34
Min.at 9:09 PM on 23rd Aug
41
Max.at 2:24 PM on 23rd Aug

Download 2024 Annual Data

World Air Quality Report

Globe

Colorado's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
36
6
17
14
62
Good
30
5
14
14
56
Moderate
51
10
21
16
69
Good
37
7
14
16
56
Good
45
8
17
17
68
Good
38
7
15
17
67
Good
32
6
13
14
74
Good
37
7
15
17
67
Good
31
5
14
15
71
Good
40
7
14
16
69
Good
41
7
16
16
69
Good
44
8
21
16
70
Good
33
6
14
15
71
Good
34
6
13
16
60
Good
50
9
21
17
67
Good
46
8
22
16
72
Good
31
5
14
15
71
Moderate
52
10
21
16
69
Good
35
6
16
16
58
Moderate
52
9
26
15
67
Good
34
6
12
17
71
Good
28
5
13
18
64
Good
49
9
21
16
69
Good
36
7
16
16
69
Good
34
6
14
17
68
Good
28
5
14
18
66
Good
48
9
15
18
69
Good
32
6
16
14
57
Good
28
5
14
15
71
Good
38
7
15
16
69
Good
40
7
20
19
60
Good
44
8
18
17
67
Good
43
8
16
16
72
Good
33
6
13
15
70
Good
36
7
14
16
69
Good
25
4
15
14
68
Good
31
6
14
17
71
Good
47
9
20
17
71
Good
45
8
19
18
67
Good
48
9
19
17
71
Good
38
7
16
16
68
Good
37
7
18
15
57
Good
33
6
14
15
70
Good
37
7
15
17
67
Good
31
6
12
16
57
Good
46
8
19
17
71
Good
34
6
21
14
69
Good
38
7
15
17
67
Good
48
9
18
16
72
Good
37
7
18
15
57

United States's Metro Cities

Air Quality Index

Health Advice For People Living In

Colorado

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable


As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Colorado

  • asthma due to air pollution in ColoradoAsthma
  • heart due to air pollution in ColoradoHeart Issues
  • allergy due to air pollution in ColoradoAllergies
  • sinus due to air pollution in ColoradoSinus
  • flu due to air pollution in ColoradoCold/Flu
  • copd due to air pollution in ColoradoChronic (COPD)
asthma due to air pollution in Colorado

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

United States

Analyze the real-time most air polluted cities in the country.

Colorado's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
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aqi air quality app for Colorado
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Colorado

Frequently Asked Questions About Air Quality

What is the current AQI level in Colorado?

The current real-time AQI level in Colorado is 39 (Good). This was last updated 6 seconds ago (Local Time).

When was the best AQI level in Colorado in the last 24 hours?

The best AQI level was 34 (Good) at 9:09 PM, Aug 23, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Colorado in the last 24 hours?

The worst AQI level was 41 (Good) at 2:24 PM, Aug 23, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Colorado during last 24 hours?

The AQI levels in Colorado remained stable over the last 24 hours as around 35.96 .

What actions are recommended as per the current AQI level in Colorado?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.