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Colorado Air Quality Index (AQI) | Air Pollution

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

Last Updated: 13 minutes ago (Local Time)

location image
Live AQI
34
Air Quality is
Good
pm10 :  19 µg/m³
PM2.5 :  6 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in Colorado
partly cloudy

27 °C

Partly cloudy
Humidity
Humidity39 %
Wind Speed
Wind Speed13 km/h
UV Index
UV Index11
Last Updated: 13 minutes ago (Local Time)
Map

Colorado

Major Air Pollutants

Colorado

PM2.5's Icon

Particulate Matter(PM2.5)

6µg/m³

PM10's Icon

Particulate Matter(PM10)

19µg/m³

CO's Icon

Carbon Monoxide(CO)

73ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

4ppb

O3's Icon

Ozone(O3)

29ppb

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The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

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AQI Graph

Historical Air Quality Data

Colorado

24 Hours
AQI
Colorado

Want air quality data?

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.(%)
Alamosa
Good
41
7
22
23
29
Aspen
Good
24
4
17
20
27
Berkley
Good
42
8
22
26
33
Black Hawk
Good
28
5
16
22
34
Boulder
Good
39
7
21
25
36
Canon City
Good
29
5
17
21
40
Carbondale
Good
29
5
19
23
33
Centennial
Good
32
6
16
18
27
Chimney Rock
Good
39
7
24
24
33
Colorado Springs
Good
36
7
18
25
38
Columbine
Good
27
5
12
17
37
Commerce City
Good
36
6
22
26
33
Cortez
Good
43
8
23
24
34
Crested Butte
Good
28
5
17
20
30
Denver
Good
38
7
20
27
33
Derby
Good
41
7
22
26
33
Durango
Good
41
7
26
25
34
Edgewater
Good
29
5
15
28
32
Estes Park
Good
28
5
16
21
34
Evergreen
Good
24
4
16
21
38
Fort Collins
Good
32
6
18
18
35
Fruita
Good
30
5
19
21
26
Glendale
Good
38
7
21
28
34
Glenwood Springs
Good
29
5
17
21
27
Golden
Good
29
5
16
25
33
Grand Junction
Good
28
5
21
19
27
Greeley
Good
41
7
20
18
35
Gunnison
Good
29
5
18
20
28
Ignacio
Good
39
7
23
25
34
Lakewood
Good
31
5
17
21
33
Lamar
Good
37
7
21
22
35
Littleton
Good
28
5
14
19
37
Longmont
Good
40
7
22
22
38
Manitou Springs
Good
37
7
19
25
35
Montrose
Good
33
6
20
22
30
Pagosa Springs
Good
38
7
28
22
37
Palisade
Good
34
6
21
18
32
Platteville
Good
48
9
24
18
34
Pueblo
Good
39
7
19
20
29
Pueblo West
Good
38
7
21
25
33
Rifle
Good
28
5
18
20
30
Silverthorne
Good
29
5
16
22
34
Steamboat Springs
Good
32
6
18
21
34
Superior
Good
32
6
17
24
32
Telluride
Good
29
5
18
21
30
Thornton
Good
38
7
22
25
35
Vail
Good
30
5
18
21
32
Watkins
Good
33
6
17
24
32
Welby
Good
38
7
22
25
34
Woodland Park
Good
19
3
15
20
39

United States's Metro Cities

Air Quality Index

East Chicago City AQI

East Chicago

18

temp.17°C
hum.36%
Los Angeles City AQI

Los Angeles

52

temp.23°C
hum.60%
Minneapolis City AQI

Minneapolis

59

temp.24°C
hum.47%
Nashville City AQI

Nashville

39

temp.28°C
hum.40%
New Orleans City AQI

New Orleans

140

temp.31°C
hum.43%
New York City City AQI

New York City

15

temp.18°C
hum.34%
San Francisco City AQI

San Francisco

54

temp.12°C
hum.100%
Port Washington City AQI

Port Washington

17

temp.20°C
hum.30%

Health Advice For People Living In

Colorado

0Cigarettes per day

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

Source:

Berkeley Earth

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.

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.

Most Polluted Cities 2025

United States

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

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Plaquemine, United States

244
Severe
16xabove Standard

2.

Geismar, United States

244
Severe
16xabove Standard

3.

French Settlement, United States

184
Unhealthy
12xabove Standard

4.

Port Allen, United States

178
Unhealthy
12xabove Standard

5.

Saint Gabriel, United States

173
Unhealthy
12xabove Standard

6.

Watertown, United States

165
Unhealthy
11xabove Standard

7.

Marshall, United States

163
Unhealthy
11xabove Standard

8.

New Iberia, United States

161
Unhealthy
11xabove Standard

9.

Brookings, United States

157
Unhealthy
10xabove Standard

10.

Baton Rouge, United States

150
Poor
10xabove Standard

Last Updated: 01 Jun 2025, 07:47 PM

AQI City Rankings

Air Quality Solutions For Colorado

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Colorado

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Colorado

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Colorado

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Colorado

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Colorado

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Colorado

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Colorado

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Colorado

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Colorado

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Colorado

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Colorado

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Colorado

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Colorado

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Colorado

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Colorado

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Colorado

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Colorado's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
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 34 (Good). This was last updated 13 minutes ago (Local Time).

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

The best AQI level was 23 (Good) at 10:09 PM, May 31, 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 34 (Good) at 12:09 PM (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 have been fluctuating throughout the last 24 hours. The levels have increased by highest 34 at 12:09 PM (Local Time), lowest 23 at 10:09 PM, May 31, 2025 (Local Time).

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.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Wildfire Alert in Northeastern Minnesota: From Crisis to Control Journey.

Wildfire Alert in Northeastern Minnesota: From Crisis to Control Journey.

30 May 2025Shakshi
Delhi Rain May 2025 Breaks Records — Why It Happened and What’s Next

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26 May 2025Shakshi
How Air Pollution Fuels COPD—and What You Can Do About It?

How Air Pollution Fuels COPD—and What You Can Do About It?

22 May 2025Shakshi
How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

19 May 2025Shakshi
Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

15 May 2025Shakshi
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

15 May 2025Gyane
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

14 May 2025Shakshi
Methane Emissions from Delhi’s Landfills: An Invisible Threat

Methane Emissions from Delhi’s Landfills: An Invisible Threat

12 May 2025Shakshi
The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

7 May 2025Shakshi
World Asthma Day 2025: The Link Between Air Pollution and Asthma

World Asthma Day 2025: The Link Between Air Pollution and Asthma

6 May 2025Shakshi
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor