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Washington Air Quality Index (AQI) | Air Pollution

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

Last Updated: 9 minutes ago (Local Time)

location image
Live AQI
52(AQI-US)
Air Quality is
Moderate
pm10 :  29 µg/m³
PM2.5 :  10 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Washington
fog

17 °C

Fog
Humidity
Humidity94 %
Wind Speed
Wind Speed9 km/h
UV Index
UV Index0
Last Updated: 9 minutes ago (Local Time)
Map

Washington

Major Air Pollutants

Washington

PM2.5's Icon

Particulate Matter(PM2.5)

10µg/m³

PM10's Icon

Particulate Matter(PM10)

29µg/m³

CO's Icon

Carbon Monoxide(CO)

3ppb

SO2's Icon

Sulfur Dioxide(SO2)

0ppb

NO2's Icon

Nitrogen Dioxide(NO2)

11ppb

O3's Icon

Ozone(O3)

22ppb

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AQI Graph

Historical Air Quality Data

Washington

24 Hours
AQI
Washington
AQI
.
28-08-2025Time29-08-2025
43
Min.at 9:09 AM on 28th Aug
51
Max.at 11:09 PM on 28th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

Washington's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
26
4
24
16
84
Moderate
56
12
33
16
70
Moderate
52
10
25
16
86
Moderate
57
12
30
16
84
Good
44
8
27
19
75
Moderate
54
11
34
16
84
Moderate
54
11
27
15
84
Moderate
55
11
34
15
84
Moderate
55
11
31
18
80
Good
34
6
32
16
83
Moderate
55
11
27
16
84
Moderate
55
11
32
16
74
Moderate
55
11
27
18
76
Moderate
54
11
35
16
75
Moderate
57
12
32
16
74
Moderate
57
13
41
15
85
Moderate
55
11
32
18
76
Moderate
55
11
27
15
84
Moderate
55
11
23
15
85
Moderate
55
11
36
16
84
Moderate
57
13
34
16
85
Moderate
56
12
22
15
85
Moderate
55
11
23
16
85
Moderate
55
11
23
15
85
Moderate
57
12
28
18
76
Moderate
57
12
27
16
85
Good
43
8
32
15
84
Moderate
54
11
35
16
84
Moderate
55
11
26
16
84
Moderate
55
11
33
16
85
Moderate
55
11
27
15
66
Good
32
6
25
18
83
Moderate
55
11
27
15
84
Moderate
55
11
24
14
85
Moderate
55
11
24
16
86
Moderate
57
12
32
16
74
Moderate
57
12
27
15
84
Moderate
55
11
30
18
76
Moderate
51
9
30
16
84
Moderate
55
11
28
18
81
Moderate
55
11
25
16
86
Moderate
56
12
32
16
69
Good
36
6
24
16
85
Moderate
57
12
27
15
84
Good
49
9
27
16
85
Good
42
8
26
16
84
Moderate
54
10
32
16
84
Moderate
54
11
35
16
75
Good
44
8
27
16
84
Good
44
8
24
16
86
Moderate
55
11
30
19
75
Moderate
55
11
32
16
69
Moderate
51
9
36
16
85
Good
44
8
25
18
82
Moderate
55
11
35
17
76
Moderate
55
11
32
16
74
Good
33
6
16
12
77
Moderate
57
12
26
16
84
Moderate
57
12
30
16
70
Good
41
7
24
16
85
Moderate
55
11
32
17
81
Moderate
55
11
28
16
84
Moderate
55
11
30
16
74
Moderate
55
11
30
16
74
Moderate
57
12
30
19
75
Moderate
53
10
29
16
84
Moderate
57
12
30
19
75
Moderate
55
11
34
15
84
Moderate
55
11
23
16
85
Moderate
55
11
40
16
85
Good
45
8
34
18
81
Moderate
55
11
29
17
79
Moderate
54
11
26
18
76
Moderate
55
11
34
16
70
Moderate
54
10
28
16
84
Moderate
56
12
22
16
84
Good
44
8
27
19
75
Moderate
55
11
26
18
76

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

22

temp.19°C
hum.63%
Los Angeles City AQI

Los Angeles

50

temp.23°C
hum.69%
Minneapolis City AQI

Minneapolis

45

temp.21°C
hum.70%
Nashville City AQI

Nashville

43

temp.18°C
hum.70%
New Orleans City AQI

New Orleans

54

temp.27°C
hum.82%
New York City City AQI

New York City

28

temp.20°C
hum.61%
San Francisco City AQI

San Francisco

23

temp.17°C
hum.81%
Washington City AQI

Washington

30

temp.19°C
hum.71%

Health Advice For People Living In

Washington

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 On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Washington

  • asthma due to air pollution in WashingtonAsthma
  • heart due to air pollution in WashingtonHeart Issues
  • allergy due to air pollution in WashingtonAllergies
  • sinus due to air pollution in WashingtonSinus
  • flu due to air pollution in WashingtonCold/Flu
  • copd due to air pollution in WashingtonChronic (COPD)
asthma due to air pollution in Washington

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

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.

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

Standard Value

Follow

1.

Prescott, United States

94
Moderate
6xabove Standard

2.

Gallup, United States

78
Moderate
5xabove Standard

3.

Navajo Dam, United States

77
Moderate
5xabove Standard

4.

Nageezi, United States

76
Moderate
5xabove Standard

5.

Flagstaff, United States

67
Moderate
4xabove Standard

6.

Florence, United States

67
Moderate
4xabove Standard

7.

Chimney Rock, United States

66
Moderate
4xabove Standard

8.

Orange Cove, United States

65
Moderate
4xabove Standard

9.

Coyote, United States

65
Moderate
4xabove Standard

10.

Grand Canyon Village, United States

64
Moderate
4xabove Standard

Last Updated: 29 Aug 2025, 06:06 AM

AQI City Rankings

Air Quality Solutions For Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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 Washington

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.

Washington'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 Washington
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.

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 Washington

Frequently Asked Questions About Air Quality

What is the current AQI level in Washington?

The current real-time AQI level in Washington is 52 (Moderate). This was last updated 9 minutes ago (Local Time).

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

The best AQI level was 43 (Good) at 9:09 AM, Aug 28, 2025 (Local Time) during the last 24 hours.

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

The worst AQI level was 51 (Moderate) at 11:09 PM, Aug 28, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Washington have been fluctuating throughout the last 24 hours. The levels have increased by highest 51 at 11:09 PM, Aug 28, 2025 (Local Time), lowest 43 at 9:09 AM, Aug 28, 2025 (Local Time).

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

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

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

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

21 Aug 2025Shakshi
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

19 Aug 2025Shakshi
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13 Aug 2025Shakshi
How Air Pollution Damages Your Long-Term Financial Health?

How Air Pollution Damages Your Long-Term Financial Health?

12 Aug 2025Shakshi
Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

7 Aug 2025Shakshi
DU Cut-Off 2025: How’s the Air Near Your Dream College?

DU Cut-Off 2025: How’s the Air Near Your Dream College?

6 Aug 2025Shakshi
Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

1 Aug 2025Shakshi
Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

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31 Jul 2025Shakshi
New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

26 Jul 2025Gyane Haobijam
Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

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26 Jul 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
Prana Air Logo

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
Prana Air Logo

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