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Live air quality index in La Grande, Oregon today

Stay updated with real-time air quality in La Grande, Oregon 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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La Grande, Oregon

Last updated: ... (Local time)

Major air pollutants in La Grande, Oregon

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.30 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

22.99 μg/m³

0

55

155

255

425

605+

Ozone (O3)

39.06 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.62 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.29 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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La Grande, Oregon

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La Grande, Oregon air quality map: Real-time AQI near you




How accurate is Oregon, USA air quality data?

Air quality measurements for Oregon, 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 La Grande, Oregon updated?

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Air quality data for La Grande, Oregon is updated on an hourly basis.


When did La Grande, Oregon experience the worst air quality in the last 24 hours?

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The worst air quality in La Grande, Oregon was recorded at 01:00:00 on 2025-06-06.


When did La Grande, Oregon have its best air quality in the last 24 hours?

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The best air quality in La Grande, Oregon was recorded at 01:00:00 on 2025-06-06.


What is the real-time air quality index for La Grande, Oregon?

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The real-time air quality index in La Grande, Oregon is 36, currently categorized as Good.


Which pollutant is found most often in La Grande, Oregon?

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The most common pollutant in La Grande, Oregon is O3.


What can I do if the air quality in La Grande, Oregon is poor?

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If the air quality in La Grande, Oregon is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in La Grande, Oregon?

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The measured PM2.5 levels in La Grande, Oregon at present are 5.297 μg/m3.


What are the current PM10 levels at La Grande, Oregon?

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The current PM10 levels in La Grande, Oregon are 22.987 μg/m3.


What are the current carbon monoxide (CO) levels at La Grande, Oregon?

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The current carbon monoxide (CO) level in La Grande, Oregon is 0.167 ppm.


What are the current sulfur dioxide (SO2) levels at La Grande, Oregon?

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The current sulfur dioxide (SO2) levels in La Grande, Oregon are 0.624 ppb.


What are the current ozone (O3) levels at La Grande, Oregon?

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The current ozone (O3) levels at La Grande, Oregon is 39.061 ppm.


What are the current nitrogen dioxide (NO2) levels at La Grande, Oregon?

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The current nitrogen dioxide (NO2) levels at La Grande, Oregon is 3.287 ppb.


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