Real-time Air Quality Index (AQI)

Ashburn, Virginia, United States

Last Updated: 1 minute ago (Local Time)

Live AQI

Air Quality is

Good

pm10 : 12 µg/m³

PM2.5 : 5 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

22 °C

Last Updated: 1 minute ago (Local Time)

Major Air Pollutants
Ashburn

Particulate Matter(PM2.5)

5µg/m³

Particulate Matter(PM10)

12µg/m³

Carbon Monoxide(CO)

28ppb

Sulfur Dioxide(SO2)

0ppb

Nitrogen Dioxide(NO2)

3ppb

Ozone(O3)

16ppb

Trending in United States

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

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

World Environment Day 2025: Why Plastic Pollution in Indian Cities Is a Health Emergency?

How Outdoor Air Pollution Contributes to Rising Diabetes Mortality: A Global Analysis

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

Big News: AQI App is Now on Apple Watch!

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

The Mask Returns: COVID Cases Spike in Singapore, Hong Kong, and India

Case Study : How Prana Air Helped the American School of Bombay in Improving Air Quality?

AQI Graph

Historical Air Quality Data
Ashburn

24 Hours

AQI

Ashburn

Want air quality data?

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

Chillan, Chile

Tome, Chile

Rancagua, Chile

San Fernando, Chile

Punta Arenas, Chile

Fatehgarh Sahib, India

Santiago, Chile

Liwa, Oman

Talca, Chile

10.

San Bernardo, Chile

Poor

9xabove Standard

Last Updated: 21 Jun 2025, 04:56 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.

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

Breaking News: Delhi’s Air Pollution Mitigation Plan 2025 Launched – Aiming for Cleaner Days Ahead

5 Jun 2025Shakshi

World Environment Day 2025: Why Plastic Pollution in Indian Cities Is a Health Emergency?

5 Jun 2025Shakshi

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

26 May 2025Shakshi

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

22 May 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.