Real-time Air Quality Index (AQI)

Ashburn, Virginia, United States

Last Updated: 6 minutes ago (Local Time)

Major Air Pollutants
Ashburn

Particulate Matter(PM2.5)

5µg/m³

Particulate Matter(PM10)

17µg/m³

Carbon Monoxide(CO)

25ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

2ppb

Ozone(O3)

13ppb

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AQI Graph

Historical Air Quality Data
Ashburn

24 Hours

AQI

Ashburn

AQI

09-07-2025Time10-07-2025

Min.at 1:09 AM on 10th Jul

Max.at 1:09 PM on 9th Jul

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AQI Insights

Live AQI Ranking

World Most Polluted Cities 2025
Real-time air quality index ranking of cities & countries around the world

RankMost Polluted CitiesAQIAQI Status

Standard Value

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10.

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Unhealthy

10xabove Standard

Last Updated: 10 Jul 2025, 10:19 AM

AQI City Rankings

Air Quality Index (AQI) Scale

Know about the category of air quality index (AQI) your ambient air falls in and what it implies.

AQI

Ozone

SO2

NO2

Good(0 to 50)

The air is fresh and free from toxins. Enjoy outdoor activities without any health concerns.

Moderate(51 to 100)

Air quality is acceptable for most, but sensitive individuals might experience mild discomfort.

Poor(101 to 150)

Breathing may become slightly uncomfortable, especially for those with respiratory issues.

Unhealthy(151 to 200)

This air quality is particularly risky for children, pregnant women, and the elderly. Limit outdoor activities.

Severe(201 to 300)

Prolonged exposure can cause chronic health issues or organ damage. Avoid outdoor activities.

Hazardous(301+)

Dangerously high pollution levels. Life-threatening health risks with prolonged exposure. Stay indoors and take precautions.

Cair +

Indoor Air Quality Monitor

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 Solutions
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 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 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.

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 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.

Prana Sense

Air Quality Monitor

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

Pocket PM

Air Quality Monitor

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

Recent AQI Blogs
Read the latest news

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

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

7 Jul 2025Shakshi

Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

4 Jul 2025Gyane Haobijam

Arizona Dust Storm 2025: How the Sudden Storm Pushed AQI to Hazardous Levels?

2 Jul 2025Shakshi

Air Pollution Comparison Between England vs India: What a 45% Asthma Spike in the UK Reveals

1 Jul 2025Shakshi

Urban Heat Islands in India: The 2024 Climate Crisis in Metro Cities

24 Jun 2025Shakshi

Delhi AQI Drops After Months: How Rain Provided Temporary Relief in Pollution Levels

19 Jun 2025Shakshi

AQI.IN Launched First Ever City-Level Climate Change Severity Index -June 2025

19 Jun 2025Gyane Haobijam

Noise Pollution in Ocean: The Silent Threat Beneath the Waves

17 Jun 2025Shakshi

Heat Alert in Delhi: “Feels Like” 49 °C Amid Heatwaves & Dust Storm

10 Jun 2025Shakshi

Wildfire Smoke in Canada 2025: AQI Impact, Orange Skies, and What to Do

9 Jun 2025Shakshi

Editor's Pick

AQI.in is India’s leading platform for air quality monitoring, as featured in The Economic Times. Discover our journey from humble beginnings to becoming the nation's sole provider of comprehensive air pollution data and solutions. Learn how we started from scratch and now offer top-tier tools and services to combat air pollution effectively.

Media Coverage
AQI has been featured in media for its remarkable growth and innovation

Trusted by
Some of the Industry’s Top Organisations

indian-institute-of-technology-hyderabad

Air Quality Around The World
Real-time air quality monitoring around the world.

Afghanistan Albania Algeria Andorra Angola Argentina Armenia Australia Austria Azerbaijan Bahrain Bangladesh Belarus Belgium Benin Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Bulgaria Burkina Faso Burma Cabo Verde Cambodia Cameroon Canada Chad Chile China Colombia Congo Kinshasa Costa Rica Cote Divoire Croatia Curacao Cyprus Czechia Denmark Ecuador Egypt El Salvador Estonia Ethiopia Finland France French Guiana Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guatemala Guinea Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Japan Jersey Jordan Kazakhstan Kenya Kosovo Kuwait Kyrgyzstan Laos Latvia Lebanon Liberia Liechtenstein Lithuania Luxembourg Macedonia Madagascar Malaysia Mali Malta Mexico Moldova Monaco Mongolia Montenegro Myanmar Namibia Nepal Netherlands New Caledonia New Zealand Niger Nigeria North Korea Norway Pakistan Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Reunion Romania Russia Rwanda San Marino Saudi Arabia Senegal Serbia Singapore Slovakia Slovenia South Africa South Korea Spain Sri Lanka Sudan Sweden Switzerland Taiwan Tajikistan Thailand Togo Trinidad And Tobago Turkey Turkmenistan Uganda Ukraine United Arab Emirates United Kingdom United States Uzbekistan Venezuela Vietnam Zambia

Time	Ashburn
05 AM	34
06 AM	34
07 AM	34
08 AM	36
09 AM	34
10 AM	35
11 AM	35
12 PM	37
01 PM	42
02 PM	40
03 PM	40
04 PM	39
05 PM	40
06 PM	39
07 PM	36
08 PM	34
09 PM	34
10 PM	32
11 PM	32
12 AM	30
01 AM	24
02 AM	24
03 AM	25
04 AM	26
05 AM	30

Time	Ashburn
05 AM	34
06 AM	34
07 AM	34
08 AM	36
09 AM	34
10 AM	35
11 AM	35
12 PM	37
01 PM	42
02 PM	40
03 PM	40
04 PM	39
05 PM	40
06 PM	39
07 PM	36
08 PM	34
09 PM	34
10 PM	32
11 PM	32
12 AM	30
01 AM	24
02 AM	24
03 AM	25
04 AM	26
05 AM	30

Real-time Air Quality Index (AQI)

Major Air PollutantsAshburn

Trending in United States

Historical Air Quality DataAshburn

World Most Polluted Cities 2025Real-time air quality index ranking of cities & countries around the world

Air Quality Index (AQI) Scale

Cair +

AQI Data Analytics SolutionsAir quality data monitoring platforms

Air Quality SolutionsExplore the solutions of air quality monitoring & clean air.

Prana Sense

Pocket PM

Recent AQI BlogsRead the latest news

Editor's Pick

Media CoverageAQI has been featured in media for its remarkable growth and innovation

Trusted bySome of the Industry’s Top Organisations

Air Quality Around The WorldReal-time air quality monitoring around the world.

Real-time Air Quality Index (AQI)

Major Air PollutantsAshburn

Trending in United States

Historical Air Quality DataAshburn

World Most Polluted Cities 2025Real-time air quality index ranking of cities & countries around the world

Air Quality Index (AQI) Scale

Cair +

AQI Data Analytics SolutionsAir quality data monitoring platforms

Air Quality SolutionsExplore the solutions of air quality monitoring & clean air.

Prana Sense

Pocket PM

Recent AQI BlogsRead the latest news

Editor's Pick

Media CoverageAQI has been featured in media for its remarkable growth and innovation

Trusted bySome of the Industry’s Top Organisations

Air Quality Around The WorldReal-time air quality monitoring around the world.

Major Air Pollutants
Ashburn

Historical Air Quality Data
Ashburn

World Most Polluted Cities 2025
Real-time air quality index ranking of cities & countries around the world

AQI Data Analytics Solutions
Air quality data monitoring platforms

Air Quality Solutions
Explore the solutions of air quality monitoring & clean air.

Recent AQI Blogs
Read the latest news

Media Coverage
AQI has been featured in media for its remarkable growth and innovation

Trusted by
Some of the Industry’s Top Organisations

Air Quality Around The World
Real-time air quality monitoring around the world.

Major Air Pollutants
Ashburn

Historical Air Quality Data
Ashburn

World Most Polluted Cities 2025
Real-time air quality index ranking of cities & countries around the world

AQI Data Analytics Solutions
Air quality data monitoring platforms

Air Quality Solutions
Explore the solutions of air quality monitoring & clean air.

Recent AQI Blogs
Read the latest news

Media Coverage
AQI has been featured in media for its remarkable growth and innovation

Trusted by
Some of the Industry’s Top Organisations

Air Quality Around The World
Real-time air quality monitoring around the world.