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Washington Air Quality Index (AQI) | Air Pollution

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

Last Updated: 12 minutes ago (Local Time)

location image
Live AQI
50(AQI-US)
Air Quality is
Good
pm10 :  26 µg/m³
PM2.5 :  10 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Washington
clear

16 °C

Clear
Humidity
Humidity87 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 12 minutes ago (Local Time)


Map

Washington

Major Air Pollutants

Washington

AQI Graph

Historical Air Quality Data

Washington

Washington
AQI
.
25-08-2025Time26-08-2025
45
Min.at 9:09 PM on 25th Aug
53
Max.at 12:09 PM on 25th 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
26
5
23
18
79
Good
50
10
25
22
60
Good
47
9
24
18
81
Moderate
56
12
25
18
80
Moderate
51
9
29
21
72
Moderate
54
11
26
18
80
Good
44
8
22
17
81
Moderate
53
10
28
18
80
Moderate
53
10
38
19
76
Good
34
6
28
18
79
Good
43
8
22
19
75
Moderate
54
10
25
21
64
Moderate
55
12
30
20
72
Moderate
54
11
25
20
65
Good
42
8
27
20
74
Moderate
53
10
28
20
70
Good
49
9
22
17
81
Moderate
54
11
25
18
80
Good
49
9
25
20
72
Moderate
55
11
26
20
74
Moderate
58
13
22
18
80
Moderate
57
12
25
18
80
Moderate
54
11
25
18
80
Moderate
56
12
36
20
75
Moderate
56
12
25
18
80
Good
36
6
27
18
80
Good
49
9
26
20
74
Moderate
57
12
24
18
81
Good
29
5
24
19
73
Moderate
56
12
32
23
56
Good
43
8
24
20
73
Good
49
9
22
17
81
Moderate
53
10
23
17
80
Moderate
59
13
25
18
81
Moderate
54
11
25
20
65
Moderate
57
12
25
18
80
Moderate
56
12
32
20
74
Good
49
9
24
18
80
Moderate
56
12
25
20
72
Good
45
8
24
18
80
Moderate
54
11
25
22
64
Good
24
4
23
18
80
Moderate
53
10
26
18
80
Good
41
7
24
18
80
Good
31
6
23
18
80
Good
50
9
25
19
76
Good
49
9
24
22
67
Good
42
8
22
18
81
Good
36
6
23
18
80
Moderate
57
12
32
20
72
Good
50
9
30
23
60
Good
50
9
24
20
74
Good
50
9
24
20
72
Good
50
9
24
21
67
Moderate
52
10
25
21
64
Good
49
9
27
17
64
Moderate
58
13
25
18
80
Moderate
55
11
27
21
64
Good
36
7
24
18
80
Moderate
53
10
23
20
72
Moderate
55
11
26
18
80
Moderate
55
11
26
20
65
Moderate
56
12
24
20
65
Moderate
58
13
31
20
73
Good
48
9
24
18
80
Moderate
59
13
31
20
70
Moderate
53
10
28
18
80
Moderate
57
12
24
18
81
Good
49
9
25
20
75
Good
50
9
30
20
72
Moderate
52
10
26
20
72
Moderate
58
13
27
20
73
Good
42
7
25
22
60
Good
46
9
25
20
74
Moderate
58
14
25
18
81
Moderate
51
9
29
21
72
Moderate
59
13
31
20
72

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 50 (Good). This was last updated 12 minutes ago (Local Time).

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

The best AQI level was 45 (Good) at 9:09 PM, Aug 25, 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 53 (Moderate) at 12:09 PM, Aug 25, 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 53 at 12:09 PM, Aug 25, 2025 (Local Time), lowest 45 at 9:09 PM, Aug 25, 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.