AQI PM2.5 PM10 CO SO2 NO2 O3

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Denver Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-05-18 12:10:40 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 24 µg/m³

PM2.5 : 7 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

14 °C

Last Updated: 2025-05-18 12:10:40 PM (Local Time)

Map

Denver

Major Air Pollutants
Denver

Particulate Matter(PM2.5)

7µg/m³

Particulate Matter(PM10)

24µg/m³

Carbon Monoxide(CO)

129ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

17ppb

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AQI Graph

Historical Air Quality Data
Denver

24 Hours

AQI

Denver

Want air quality data?

AQI Trends - Annual Air Quality Changes
Denver, Colorado, United States

AQI

Year

AQI

Annual AQI Trends

2025

26AQI

Overall Annual Percentage (%) change of AQI in (2025 to 2025)

NaN%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202528AQI

Least PollutedMay, 202523AQI

* This data analysis is from year 2025 - 2025

Denver's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

East

Good

Five Points

Good

Globeville

Good

Northwest

Good

United States's Metro Cities
Air Quality Index

East Chicago

Los Angeles

Minneapolis

Nashville

New Orleans

New York City

San Francisco

Port Washington

Air Quality Calendar 2025
Denver

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan -	2 Jan -	3 Jan -	4 Jan -
5 Jan -	6 Jan -	7 Jan -	8 Jan -	9 Jan -	10 Jan -	11 Jan -
12 Jan -	13 Jan -	14 Jan -	15 Jan -	16 Jan -	17 Jan -	18 Jan -
19 Jan -	20 Jan -	21 Jan -	22 Jan -	23 Jan -	24 Jan -	25 Jan -
26 Jan -	27 Jan -	28 Jan -	29 Jan -	30 Jan -	31 Jan -	1 Feb -

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan -	27 Jan -	28 Jan -	29 Jan -	30 Jan -	31 Jan -	1 Feb -
2 Feb -	3 Feb -	4 Feb -	5 Feb -	6 Feb -	7 Feb -	8 Feb -
9 Feb -	10 Feb -	11 Feb -	12 Feb -	13 Feb -	14 Feb -	15 Feb -
16 Feb -	17 Feb -	18 Feb -	19 Feb -	20 Feb -	21 Feb -	22 Feb -
23 Feb -	24 Feb -	25 Feb -	26 Feb -	27 Feb -	28 Feb -	1 Mar -

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb -	24 Feb -	25 Feb -	26 Feb -	27 Feb -	28 Feb -	1 Mar -
2 Mar -	3 Mar -	4 Mar -	5 Mar -	6 Mar -	7 Mar -	8 Mar -
9 Mar -	10 Mar -	11 Mar -	12 Mar -	13 Mar -	14 Mar -	15 Mar -
16 Mar -	17 Mar -	18 Mar -	19 Mar -	20 Mar -	21 Mar -	22 Mar -
23 Mar -	24 Mar -	25 Mar -	26 Mar 28	27 Mar 23	28 Mar 28	29 Mar 21
30 Mar 28	31 Mar 40	1 Apr 31	2 Apr 19	3 Apr 20	4 Apr 31	5 Apr 30

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 28	31 Mar 40	1 Apr 31	2 Apr 19	3 Apr 20	4 Apr 31	5 Apr 30
6 Apr 27	7 Apr 31	8 Apr 30	9 Apr 43	10 Apr 46	11 Apr 42	12 Apr 32
13 Apr 24	14 Apr 19	15 Apr 37	16 Apr 28	17 Apr 27	18 Apr 14	19 Apr 25
20 Apr 20	21 Apr 17	22 Apr 21	23 Apr 35	24 Apr 57	25 Apr 29	26 Apr 29
27 Apr 29	28 Apr 18	29 Apr 17	30 Apr 18	1 May 17	2 May 21	3 May 21

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 29	28 Apr 18	29 Apr 17	30 Apr 18	1 May 17	2 May 21	3 May 21
4 May 22	5 May 17	6 May 18	7 May 24	8 May 31	9 May 28	10 May 27
11 May 21	12 May 22	13 May 27	14 May 32	15 May 15	16 May 17	17 May -
18 May -	19 May -	20 May -	21 May -	22 May -	23 May -	24 May -
25 May -	26 May -	27 May -	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Denver

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

Solutions for Current AQI

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

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

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Denver

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

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

Eagle Pass, United States

Moderate

5xabove Standard

Fort Bliss, United States

Moderate

4xabove Standard

Leon Valley, United States

Moderate

4xabove Standard

Poteet, United States

Moderate

4xabove Standard

Socorro, United States

Moderate

4xabove Standard

Leander, United States

Moderate

4xabove Standard

Laredo, United States

Moderate

4xabove Standard

Cedar Park, United States

Moderate

4xabove Standard

Bishop, United States

Moderate

4xabove Standard

10.

San Antonio, United States

Moderate

4xabove Standard

Last Updated: 18 May 2025, 06:57 PM

AQI City Rankings

Air Quality Solutions For Denver
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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Denver

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

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 Denver

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

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

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

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

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

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

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

air quality solutions for airport for Denver

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

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

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 Denver

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

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

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

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

Denver's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store

Get it onGoogle Play

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

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Denver

Frequently Asked Questions About Air Quality

What is the current AQI level in Denver?

The current real-time AQI level in Denver is 40 (Good). This was last updated 2025-05-18 12:10:40 PM (Local Time).

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

The best AQI level was 16 (Good) at 9:10 PM, May 17, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 43 (Good) at 11:10 AM (Local Time) during the last 24 hours.

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

The AQI levels in Denver have been fluctuating throughout the last 24 hours. The levels have increased by highest 43 at 11:10 AM (Local Time), lowest 16 at 9:10 PM, May 17, 2025 (Local Time).

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

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