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Live air quality index in Spokane, Washington today

Stay updated with real-time air quality in Spokane, 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)

37

Good

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Spokane, Washington

Last updated: ... (Local time)

Major air pollutants in Spokane, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

4.66 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

22.75 μg/m³

0

55

155

255

425

605+

Ozone (O3)

40.21 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.94 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

1.74 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Spokane, Washington

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Spokane, Washington air quality map: Track AQI near you




How accurate is Washington, USA air quality data?

Air quality data and pollutant measurements for Washington, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Spokane, Washington updated?

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The air quality for Spokane, Washington is updated every hour.


When was the worst air quality at Spokane, Washington in the last 24 hrs?

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The worst air quality in Spokane, Washington in the last 24 hours was observed at 11:00:00 on 2025-06-05.


When was the best air quality at Spokane, Washington in the last 24 hrs?

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In the last 24 hrs, the best air quality in Spokane, Washington was observed at 06:00:00 on 2025-06-06.


What is the current air quality in Spokane, Washington?

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The current air quality in Spokane, Washington is 37, categorized as Good based on real-time data.


What pollutant is the most common in Spokane, Washington?

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The most common pollutant in Spokane, Washington is O3.


What should I do if the air quality in Spokane, Washington is poor?

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If the air quality in Spokane, Washington is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Spokane, Washington?

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The current PM2.5 concentration at Spokane, Washington is 4.66 μg/m3.


What is the current concentration of PM10 in Spokane, Washington?

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The current PM10 concentration at Spokane, Washington is 22.754 μg/m3.


What is the current concentration of carbon monoxide (CO) in Spokane, Washington?

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The current carbon monoxide (CO) concentration at Spokane, Washington is 0.117 ppm.


What is the current concentration of sulfur dioxide (SO2) in Spokane, Washington?

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The current sulfur dioxide (SO2) concentration at Spokane, Washington is 0.943 ppb.


What is the current concentration of ozone (O3) in Spokane, Washington?

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The current ozone (O3) concentration at Spokane, Washington is 40.212 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Spokane, Washington?

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The current nitrogen dioxide (NO2) concentration at Spokane, Washington is 1.744 ppb.


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