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Real-time air quality index in Lake Stevens, Washington today

Stay updated with real-time air quality in Lake Stevens, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

36

Good

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Lake Stevens, Washington

Last updated: ... (Local time)

Common air pollutants in Lake Stevens, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

4.87 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

20.16 μg/m³

0

55

155

255

425

605+

Ozone (O3)

38.85 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.47 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

7.56 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.11 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Lake Stevens, Washington

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Lake Stevens, Washington air quality map: Real-time AQI near you




How accurate is Washington, USA air quality data?

Air quality measurements for Washington, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.


Frequently asked questions

How frequently is the air quality data for Lake Stevens, Washington updated?

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Air quality data for Lake Stevens, Washington is updated on an hourly basis.


When did Lake Stevens, Washington experience the worst air quality in the last 24 hours?

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The worst air quality in Lake Stevens, Washington was recorded at 04:00:00 on 2025-07-20.


When did Lake Stevens, Washington have its best air quality in the last 24 hours?

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The best air quality in Lake Stevens, Washington was recorded at 08:00:00 on 2025-07-20.


What is the real-time air quality index for Lake Stevens, Washington?

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The real-time air quality index in Lake Stevens, Washington is 33, currently categorized as Good.


Which pollutant is found most often in Lake Stevens, Washington?

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The most common pollutant in Lake Stevens, Washington is PM2.5.


What can I do if the air quality in Lake Stevens, Washington is poor?

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If the air quality in Lake Stevens, Washington is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Lake Stevens, Washington?

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The measured PM2.5 levels in Lake Stevens, Washington at present are 6.19 μg/m3.


What are the current PM10 levels at Lake Stevens, Washington?

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The current PM10 levels in Lake Stevens, Washington are 21.104 μg/m3.


What are the current carbon monoxide (CO) levels at Lake Stevens, Washington?

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The current carbon monoxide (CO) level in Lake Stevens, Washington is 0.1 ppm.


What are the current sulfur dioxide (SO2) levels at Lake Stevens, Washington?

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The current sulfur dioxide (SO2) levels in Lake Stevens, Washington are 0.36 ppb.


What are the current ozone (O3) levels at Lake Stevens, Washington?

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The current ozone (O3) levels at Lake Stevens, Washington is 18.901 ppm.


What are the current nitrogen dioxide (NO2) levels at Lake Stevens, Washington?

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The current nitrogen dioxide (NO2) levels at Lake Stevens, Washington is 3.726 ppb.


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