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Washington Air Quality Index (AQI) | Air Pollution

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

Last Updated: 7 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
overcast

26 °C

Overcast
Humidity
Humidity35 %

Wind Speed
Wind Speed7 km/h

UV Index
UV Index0
Last Updated: 7 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
22
4
22
19
79
Moderate
54
11
27
23
58
Good
41
7
23
18
80
Moderate
55
11
24
18
80
Good
48
9
31
22
67
Moderate
52
10
28
18
79
Good
49
9
23
17
80
Moderate
56
12
29
18
79
Good
49
9
36
20
72
Good
38
7
29
19
78
Good
46
8
23
19
76
Moderate
53
10
23
22
63
Moderate
56
12
32
21
71
Moderate
52
10
29
22
66
Moderate
54
11
28
22
64
Good
47
8
30
20
73
Moderate
56
12
30
22
69
Moderate
52
10
23
17
80
Moderate
55
11
23
18
79
Moderate
52
10
28
22
70
Moderate
55
11
28
21
73
Moderate
56
12
18
18
79
Moderate
54
11
23
18
80
Moderate
55
11
23
18
79
Moderate
55
11
33
20
72
Moderate
55
12
25
18
80
Good
34
6
28
18
80
Moderate
52
9
30
21
73
Moderate
56
12
24
18
80
Good
26
5
28
20
73
Moderate
56
12
29
24
53
Good
38
7
23
21
71
Moderate
52
10
23
17
80
Moderate
52
10
21
18
79
Moderate
56
12
24
18
80
Moderate
54
11
28
22
64
Moderate
57
12
25
18
79
Moderate
58
13
32
21
71
Good
40
7
24
18
79
Moderate
56
12
24
20
71
Good
39
7
23
18
80
Moderate
56
12
29
23
60
Good
21
4
22
18
80
Moderate
52
10
29
18
79
Good
38
7
24
18
80
Good
24
4
23
18
80
Moderate
53
10
26
20
75
Moderate
52
10
29
22
66
Moderate
51
9
23
18
80
Good
34
6
23
18
80
Moderate
61
15
31
21
70
Moderate
52
10
31
23
59
Good
46
8
26
20
73
Good
47
8
22
21
68
Moderate
54
11
29
22
67
Moderate
52
10
23
22
63
Moderate
54
11
28
18
64
Moderate
57
12
24
18
80
Moderate
56
12
29
22
62
Good
31
6
23
18
80
Moderate
52
10
24
20
71
Moderate
55
11
24
18
79
Moderate
57
12
27
22
63
Moderate
56
12
26
22
64
Moderate
60
14
31
21
71
Good
45
8
24
18
79
Moderate
63
16
32
21
71
Moderate
56
12
29
18
79
Moderate
57
12
24
18
80
Good
50
9
30
20
73
Good
49
9
31
21
68
Moderate
55
11
25
21
69
Moderate
56
12
28
21
71
Good
49
9
27
23
58
Good
45
10
26
20
73
Moderate
55
11
22
18
80
Good
48
9
31
22
67
Moderate
56
12
31
21
71

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.


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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 7 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.