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Washington Air Quality Index (AQI) | Air Pollution

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

Last Updated: 3 minutes ago (Local Time)

location image
Live AQI
47(AQI-US)
Air Quality is
Good
pm10 :  25 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Washington
partly cloudy

14 °C

Partly Cloudy
Humidity
Humidity94 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 3 minutes ago (Local Time)


Map

Washington

Major Air Pollutants

Washington

AQI Graph

Historical Air Quality Data

Washington

Washington
AQI
.
23-08-2025Time24-08-2025
37
Min.at 1:09 PM on 23rd Aug
47
Max.at 2:09 AM on 24th Aug

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
28
5
19
18
81
Good
38
7
23
25
53
Good
38
7
16
18
78
Moderate
53
10
22
18
81
Moderate
51
9
32
20
74
Good
38
7
23
18
81
Good
37
7
17
18
78
Good
41
7
31
18
80
Moderate
54
11
49
18
80
Good
34
6
28
18
80
Good
37
7
21
22
71
Good
48
9
24
24
60
Moderate
62
15
34
20
75
Moderate
65
17
31
23
66
Moderate
52
10
29
24
60
Good
39
7
30
23
69
Moderate
52
10
30
22
74
Good
41
7
16
18
78
Good
47
8
21
18
80
Moderate
63
15
32
23
69
Moderate
55
11
30
23
70
Good
47
8
22
18
80
Moderate
52
10
19
18
82
Good
47
8
21
18
80
Moderate
54
11
35
19
78
Moderate
52
10
19
18
81
Good
32
6
29
18
82
Moderate
54
11
30
23
69
Good
48
9
18
18
81
Good
24
4
22
22
68
Moderate
53
10
29
25
46
Good
39
7
20
18
80
Good
41
7
16
18
78
Good
38
7
19
18
80
Good
47
8
18
18
78
Moderate
52
10
29
24
60
Good
47
8
22
18
81
Moderate
53
10
30
20
78
Moderate
55
11
25
18
81
Moderate
53
10
28
22
74
Good
33
6
16
18
79
Moderate
62
15
31
25
59
Good
29
5
17
18
78
Good
48
9
26
18
81
Good
37
7
17
18
78
Good
28
5
19
18
81
Good
40
7
26
22
75
Moderate
65
17
31
23
66
Good
30
5
17
18
78
Good
35
6
17
18
78
Moderate
55
11
32
20
76
Moderate
57
12
34
25
51
Good
41
7
24
22
69
Good
46
8
19
18
77
Moderate
51
9
29
24
69
Good
48
9
24
24
60
Moderate
55
11
35
18
62
Moderate
51
10
23
18
81
Moderate
54
11
29
24
60
Good
38
7
18
18
82
Good
47
8
22
22
74
Moderate
53
10
23
18
81
Good
50
10
29
24
60
Good
48
9
23
24
60
Moderate
57
12
31
20
75
Moderate
53
10
24
18
81
Moderate
55
11
31
20
75
Good
41
7
31
18
80
Moderate
53
10
21
18
82
Good
40
7
28
23
70
Moderate
54
11
31
19
76
Moderate
63
16
29
23
69
Moderate
54
11
31
22
69
Good
37
7
22
25
52
Good
39
7
24
21
74
Moderate
52
10
22
18
81
Moderate
51
9
32
20
74
Moderate
54
11
26
22
69

United States's Metro Cities

Air Quality Index

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 Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable


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

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

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.

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.

Washington's AQI Data Analytics Solutions

Air quality data monitoring platforms

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aqi air quality app for Washington
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.


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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 47 (Good). This was last updated 3 minutes ago (Local Time).

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

The best AQI level was 37 (Good) at 1:09 PM, Aug 23, 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 47 (Good) at 2:09 AM (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 47 at 2:09 AM (Local Time), lowest 37 at 1:09 PM, Aug 23, 2025 (Local Time).

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

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