What is the current concentration of PM10 in Hermiston, Oregon?

The current PM10 concentration at Hermiston, Oregon is 10.092 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Hermiston, Oregon?

The current sulfur dioxide (SO2) concentration at Hermiston, Oregon is 2.356 ppb.

What is the current concentration of ozone (O3) in Hermiston, Oregon?

The current ozone (O3) concentration at Hermiston, Oregon is 11.651 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Hermiston, Oregon?

The current nitrogen dioxide (NO2) concentration at Hermiston, Oregon is 8.201 ppb.

Hermiston, Oregon live air quality index now

Q: What is the current concentration of PM2.5 in Hermiston, Oregon?

The current PM2.5 concentration at Hermiston, Oregon is 2.418 μg/m3.

Stay updated with real-time air quality in Hermiston, Oregon featuring accurate data on AQI, PM_2.5, 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)

Good

Hermiston, Oregon

Last updated: ... (Local time)

Major air pollutants in Hermiston, Oregon

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.09 μg/m³

155

255

425

605+

Ozone (O₃)

11.65 ppb

201

201+

Sulfur Dioxide (SO₂)

2.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Hermiston, Oregon

Get Live Pollen Counts

Hermiston, Oregon

Scroll To Air Quality Map

Track live Hermiston, Oregon air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-10T10:00:00.000Z	27 \| good	5.256 \| good	22.809 \| good	26.987 \| good	0.542 \| good	3.356 \| good	0.118 \| good
2025-12-10T11:00:00.000Z	44 \| good	8.21 \| good	36.595 \| good	25.853 \| good	0.478 \| good	3.715 \| good	0.118 \| good
2025-12-10T12:00:00.000Z	52 \| moderate	9.78 \| good	43.471 \| good	25.86 \| good	0.987 \| good	4.012 \| good	0.118 \| good
2025-12-10T13:00:00.000Z	52 \| moderate	9.78 \| good	43.466 \| good	26.437 \| good	0.987 \| good	4.021 \| good	0.118 \| good
2025-12-10T14:00:00.000Z	49 \| good	9.388 \| good	42.489 \| good	27.024 \| good	0.857 \| good	7.116 \| good	0.138 \| good
2025-12-10T15:00:00.000Z	27 \| good	4.55 \| good	19.782 \| good	23.809 \| good	0.521 \| good	5.866 \| good	0.138 \| good
2025-12-10T16:00:00.000Z	27 \| good	4.554 \| good	19.801 \| good	24.246 \| good	0.52 \| good	7.764 \| good	0.158 \| good
2025-12-10T17:00:00.000Z	26 \| good	3.37 \| good	14.869 \| good	27.758 \| good	0.435 \| good	7.485 \| good	0.158 \| good
2025-12-10T18:00:00.000Z	28 \| good	2.883 \| good	11.936 \| good	29.831 \| good	0.52 \| good	6.434 \| good	0.158 \| good
2025-12-10T19:00:00.000Z	27 \| good	2.586 \| good	10.953 \| good	29.492 \| good	1.009 \| good	6.377 \| good	0.138 \| good
2025-12-10T20:00:00.000Z	21 \| good	2.294 \| good	9.98 \| good	23.028 \| good	0.924 \| good	6.414 \| good	0.138 \| good
2025-12-10T21:00:00.000Z	21 \| good	2.093 \| good	8.981 \| good	23.343 \| good	0.899 \| good	6.368 \| good	0.138 \| good
2025-12-10T22:00:00.000Z	26 \| good	1.998 \| good	8.007 \| good	28.094 \| good	0.647 \| good	8.204 \| good	0.141 \| good
2025-12-10T23:00:00.000Z	27 \| good	1.899 \| good	7.999 \| good	28.998 \| good	0.33 \| good	5.984 \| good	0.158 \| good
2025-12-11T00:00:00.000Z	23 \| good	1.998 \| good	8 \| good	24.88 \| good	0.457 \| good	6.293 \| good	0.158 \| good
2025-12-11T01:00:00.000Z	26 \| good	2.295 \| good	9.98 \| good	27.82 \| good	0.415 \| good	4.96 \| good	0.176 \| good
2025-12-11T02:00:00.000Z	23 \| good	2.198 \| good	8.999 \| good	25.434 \| good	0.372 \| good	4.955 \| good	0.158 \| good
2025-12-11T03:00:00.000Z	26 \| good	2.199 \| good	9 \| good	28.31 \| good	0.372 \| good	3.488 \| good	0.139 \| good
2025-12-11T04:00:00.000Z	23 \| good	2.197 \| good	8.994 \| good	24.953 \| good	0.477 \| good	3.686 \| good	0.158 \| good
2025-12-11T05:00:00.000Z	26 \| good	2.499 \| good	10.006 \| good	27.866 \| good	0.437 \| good	2.753 \| good	0.138 \| good
2025-12-11T06:00:00.000Z	28 \| good	2.6 \| good	11.002 \| good	29.543 \| good	0.649 \| good	4.017 \| good	0.138 \| good
2025-12-11T07:00:00.000Z	32 \| good	2.605 \| good	11.027 \| good	35.053 \| good	0.861 \| good	4.107 \| good	0.138 \| good
2025-12-11T08:00:00.000Z	36 \| good	2.809 \| good	12.043 \| good	38.796 \| good	0.649 \| good	4.754 \| good	0.138 \| good
2025-12-11T09:00:00.000Z	34 \| good	2.915 \| good	12.072 \| good	36.988 \| good	0.585 \| good	4.757 \| good	0.138 \| good
2025-12-11T10:00:00.000Z	30 \| good	3.107 \| good	14.027 \| good	32.47 \| good	0.606 \| good	2.784 \| good	0.138 \| good
2025-12-11T11:00:00.000Z	32 \| good	3.108 \| good	14.032 \| good	35.133 \| good	0.697 \| good	2.851 \| good	0.1 \| good
2025-12-11T12:00:00.000Z	26 \| good	2.796 \| good	11.984 \| good	28.363 \| good	0.45 \| good	3.249 \| good	0.1 \| good
2025-12-11T13:00:00.000Z	29 \| good	2.795 \| good	11.979 \| good	31.338 \| good	0.45 \| good	3.246 \| good	0.1 \| good
2025-12-11T14:00:00.000Z	28 \| good	2.794 \| good	11.98 \| good	29.795 \| good	0.512 \| good	4.314 \| good	0.1 \| good
2025-12-11T15:00:00.000Z	28 \| good	2.691 \| good	10.971 \| good	30.267 \| good	0.963 \| good	5.209 \| good	0.1 \| good
2025-12-11T16:00:00.000Z	29 \| good	2.69 \| good	10.969 \| good	31.423 \| good	0.861 \| good	7.578 \| good	0.138 \| good
2025-12-11T17:00:00.000Z	28 \| good	2.589 \| good	10.957 \| good	29.621 \| good	0.989 \| good	6.318 \| good	0.138 \| good
2025-12-11T18:00:00.000Z	21 \| good	2.887 \| good	11.96 \| good	22.696 \| good	1.765 \| good	8.6 \| good	0.158 \| good
2025-12-11T19:00:00.000Z	19 \| good	3.086 \| good	13.931 \| good	19.549 \| good	1.357 \| good	7.291 \| good	0.158 \| good
2025-12-11T20:00:00.000Z	21 \| good	2.886 \| good	11.94 \| good	23.192 \| good	2.289 \| good	6.546 \| good	0.158 \| good
2025-12-11T21:00:00.000Z	21 \| good	2.884 \| good	11.934 \| good	23.444 \| good	2.907 \| good	8.037 \| good	0.158 \| good
2025-12-11T22:00:00.000Z	27 \| good	2.588 \| good	10.948 \| good	29.456 \| good	3.257 \| good	10.27 \| good	0.179 \| good
2025-12-11T23:00:00.000Z	29 \| good	2.287 \| good	9.941 \| good	31.29 \| good	5.076 \| good	8.702 \| good	0.199 \| good
2025-12-12T00:00:00.000Z	23 \| good	2.482 \| good	9.932 \| good	24.602 \| good	2.189 \| good	12.098 \| good	0.26 \| good
2025-12-12T01:00:00.000Z	22 \| good	2.485 \| good	9.947 \| good	23.671 \| good	1.298 \| good	14.384 \| good	0.277 \| good
2025-12-12T02:00:00.000Z	20 \| good	2.49 \| good	9.977 \| good	22.273 \| good	0.689 \| good	15.756 \| good	0.257 \| good
2025-12-12T03:00:00.000Z	29 \| good	1.581 \| good	6.021 \| good	30.707 \| good	0.204 \| good	1.925 \| good	0.102 \| good
2025-12-12T04:00:00.000Z	19 \| good	2.404 \| good	10.029 \| good	20.471 \| good	0.34 \| good	12.344 \| good	0.298 \| good
2025-12-12T05:00:00.000Z	18 \| good	2.413 \| good	10.07 \| good	19.351 \| good	0.351 \| good	11.618 \| good	0.237 \| good
2025-12-12T06:00:00.000Z	16 \| good	2.415 \| good	10.076 \| good	17.38 \| good	0.344 \| good	10.747 \| good	0.298 \| good
2025-12-12T07:00:00.000Z	12 \| good	2.319 \| good	10.094 \| good	12.627 \| good	0.344 \| good	10.738 \| good	0.299 \| good
2025-12-12T08:00:00.000Z	11 \| good	2.418 \| good	10.092 \| good	11.651 \| good	2.356 \| good	8.201 \| good	0.238 \| good
2025-12-12T09:00:00.000Z	11 \| good	2.418 \| good	10.092 \| good	11.651 \| good	2.356 \| good	8.201 \| good	0.238 \| good
2025-12-12T10:00:00.000Z	22 \| good	3.568 \| good	15.87 \| good	19.263 \| good	0.238 \| good	2.191 \| good	0.111 \| good
2025-12-12T11:00:00.000Z	22 \| good	4.467 \| good	19.813 \| good	16.121 \| good	0.237 \| good	2.235 \| good	0.112 \| good
2025-12-12T12:00:00.000Z	22 \| good	3.705 \| good	15.986 \| good	12.735 \| good	0.235 \| good	2.278 \| good	0.112 \| good
2025-12-12T13:00:00.000Z	16 \| good	3.474 \| good	15.794 \| good	11.969 \| good	0.243 \| good	2.742 \| good	0.117 \| good
2025-12-12T14:00:00.000Z	15 \| good	2.487 \| good	9.992 \| good	16.023 \| good	0.251 \| good	3.206 \| good	0.122 \| good
2025-12-12T15:00:00.000Z	15 \| good	1.146 \| good	4.967 \| good	16.118 \| good	0.259 \| good	3.67 \| good	0.127 \| good
2025-12-12T16:00:00.000Z	18 \| good	1.477 \| good	5.957 \| good	19.472 \| good	0.277 \| good	3.283 \| good	0.13 \| good
2025-12-12T17:00:00.000Z	29 \| good	2.644 \| good	10.876 \| good	30.846 \| good	0.295 \| good	2.896 \| good	0.134 \| good
2025-12-12T18:00:00.000Z	33 \| good	4.593 \| good	19.886 \| good	36.232 \| good	0.313 \| good	2.51 \| good	0.137 \| good
2025-12-12T19:00:00.000Z	36 \| good	2.562 \| good	10.004 \| good	38.589 \| good	0.387 \| good	2.294 \| good	0.135 \| good
2025-12-12T20:00:00.000Z	37 \| good	3.245 \| good	13.876 \| good	40.217 \| good	0.462 \| good	2.079 \| good	0.133 \| good
2025-12-12T21:00:00.000Z	35 \| good	2.755 \| good	10.994 \| good	38.339 \| good	0.537 \| good	1.863 \| good	0.13 \| good
2025-12-12T22:00:00.000Z	31 \| good	2.867 \| good	11.884 \| good	34.006 \| good	0.546 \| good	2.047 \| good	0.128 \| good
2025-12-12T23:00:00.000Z	28 \| good	2.989 \| good	11.992 \| good	29.858 \| good	0.555 \| good	2.231 \| good	0.127 \| good
2025-12-13T00:00:00.000Z	25 \| good	2.728 \| good	10.954 \| good	26.678 \| good	0.565 \| good	2.415 \| good	0.125 \| good
2025-12-13T01:00:00.000Z	20 \| good	3.142 \| good	13.796 \| good	21.802 \| good	0.582 \| good	2.816 \| good	0.128 \| good
2025-12-13T02:00:00.000Z	18 \| good	2.525 \| good	9.969 \| good	19.386 \| good	0.6 \| good	3.217 \| good	0.131 \| good
2025-12-13T03:00:00.000Z	23 \| good	2.742 \| good	10.951 \| good	25.201 \| good	0.617 \| good	3.618 \| good	0.134 \| good
2025-12-13T04:00:00.000Z	16 \| good	2.841 \| good	11.891 \| good	14.638 \| good	0.629 \| good	3.784 \| good	0.137 \| good
2025-12-13T05:00:00.000Z	16 \| good	2.54 \| good	10 \| good	10.241 \| good	0.64 \| good	3.95 \| good	0.139 \| good
2025-12-13T06:00:00.000Z	17 \| good	2.672 \| good	10.928 \| good	17.705 \| good	0.652 \| good	4.116 \| good	0.141 \| good
2025-12-13T07:00:00.000Z	16 \| good	3.49 \| good	15.783 \| good	16.961 \| good	0.606 \| good	4.016 \| good	0.141 \| good
2025-12-13T08:00:00.000Z	17 \| good	3.027 \| good	11.978 \| good	18.418 \| good	0.561 \| good	3.917 \| good	0.141 \| good
2025-12-13T09:00:00.000Z	16 \| good	2.819 \| good	11.836 \| good	14.659 \| good	0.515 \| good	3.817 \| good	0.141 \| good
2025-12-13T10:00:00.000Z	22 \| good	4.284 \| good	18.846 \| good	14.414 \| good	0.483 \| good	3.669 \| good	0.139 \| good
2025-12-13T11:00:00.000Z	27 \| good	5.091 \| good	21.826 \| good	5.355 \| good	0.451 \| good	3.52 \| good	0.138 \| good
2025-12-13T12:00:00.000Z	22 \| good	4.39 \| good	18.861 \| good	4.099 \| good	0.419 \| good	3.372 \| good	0.137 \| good
2025-12-13T13:00:00.000Z	22 \| good	3.853 \| good	16.846 \| good	4.373 \| good	0.389 \| good	3.841 \| good	0.141 \| good
2025-12-13T14:00:00.000Z	22 \| good	4.018 \| good	17.815 \| good	6.995 \| good	0.36 \| good	4.309 \| good	0.145 \| good
2025-12-13T15:00:00.000Z	16 \| good	3.398 \| good	14.868 \| good	8.459 \| good	0.33 \| good	4.778 \| good	0.15 \| good
2025-12-13T16:00:00.000Z	12 \| good	2.333 \| good	9.869 \| good	13.049 \| good	0.321 \| good	4.295 \| good	0.154 \| good
2025-12-13T17:00:00.000Z	20 \| good	3.054 \| good	12.017 \| good	21.697 \| good	0.312 \| good	3.811 \| good	0.159 \| good
2025-12-13T18:00:00.000Z	22 \| good	4.226 \| good	18.797 \| good	23.852 \| good	0.303 \| good	3.328 \| good	0.163 \| good
2025-12-13T19:00:00.000Z	22 \| good	3.834 \| good	16.898 \| good	23.911 \| good	0.354 \| good	3.063 \| good	0.154 \| good
2025-12-13T20:00:00.000Z	26 \| good	3.758 \| good	15.993 \| good	27.601 \| good	0.405 \| good	2.799 \| good	0.146 \| good
2025-12-13T21:00:00.000Z	28 \| good	4.433 \| good	18.976 \| good	29.708 \| good	0.455 \| good	2.535 \| good	0.137 \| good
2025-12-13T22:00:00.000Z	33 \| good	5.615 \| good	23.893 \| good	30.997 \| good	0.442 \| good	3.801 \| good	0.146 \| good
2025-12-13T23:00:00.000Z	27 \| good	5.28 \| good	22.91 \| good	27.01 \| good	0.429 \| good	5.067 \| good	0.155 \| good
2025-12-14T00:00:00.000Z	22 \| good	3.578 \| good	15.923 \| good	23.336 \| good	0.415 \| good	6.333 \| good	0.165 \| good
2025-12-14T01:00:00.000Z	22 \| good	4.084 \| good	17.957 \| good	20.108 \| good	0.429 \| good	7.998 \| good	0.185 \| good
2025-12-14T02:00:00.000Z	22 \| good	3.873 \| good	16.986 \| good	18.282 \| good	0.442 \| good	9.662 \| good	0.206 \| good
2025-12-14T03:00:00.000Z	28 \| good	4.349 \| good	18.966 \| good	30.055 \| good	0.456 \| good	11.327 \| good	0.227 \| good
2025-12-14T04:00:00.000Z	27 \| good	4.678 \| good	20.01 \| good	23.538 \| good	0.446 \| good	10.934 \| good	0.223 \| good
2025-12-14T05:00:00.000Z	27 \| good	5.375 \| good	22.963 \| good	18.689 \| good	0.436 \| good	10.541 \| good	0.22 \| good
2025-12-14T06:00:00.000Z	49 \| good	8.877 \| good	8.931 \| good	7.304 \| good	0.425 \| good	10.046 \| good	0.216 \| good
2025-12-14T07:00:00.000Z	33 \| good	6.139 \| good	26.812 \| good	21.576 \| good	0.38 \| good	8.512 \| good	0.198 \| good
2025-12-14T08:00:00.000Z	44 \| good	7.665 \| good	33.723 \| good	16.127 \| good	0.333 \| good	6.876 \| good	0.18 \| good
2025-12-14T09:00:00.000Z	44 \| good	7.908 \| good	34.683 \| good	15.849 \| good	0.287 \| good	5.239 \| good	0.162 \| good

Hermiston

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Hermiston, Oregon air quality map: Track AQI near you

0.22ppm

How accurate is Oregon, USA air quality data?

Air quality data and pollutant measurements for Oregon, 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.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Hermiston, Oregon updated?

The air quality for Hermiston, Oregon is updated every hour.

When was the worst air quality at Hermiston, Oregon in the last 24 hrs?

The worst air quality in Hermiston, Oregon in the last 24 hours was observed at 09:00:00 on 2025-12-11.

When was the best air quality at Hermiston, Oregon in the last 24 hrs?

In the last 24 hrs, the best air quality in Hermiston, Oregon was observed at 08:00:00 on 2025-12-12.

What is the current air quality in Hermiston, Oregon?

The current air quality in Hermiston, Oregon is 11, categorized as Good based on real-time data.

What pollutant is the most common in Hermiston, Oregon?

The most common pollutant in Hermiston, Oregon is O3.

What should I do if the air quality in Hermiston, Oregon is poor?

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

What is the current concentration of PM_2.5 in Hermiston, Oregon?

The current PM_2.5 concentration at Hermiston, Oregon is 2.418 μg/m³.

What is the current concentration of PM₁₀ in Hermiston, Oregon?

The current PM₁₀ concentration at Hermiston, Oregon is 10.092 μg/m³.

What is the current concentration of carbon monoxide (CO) in Hermiston, Oregon?

The current carbon monoxide (CO) concentration at Hermiston, Oregon is 0.238 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Hermiston, Oregon?

The current sulfur dioxide (SO₂) concentration at Hermiston, Oregon is 2.356 ppb.

What is the current concentration of ozone (O₃) in Hermiston, Oregon?

The current ozone (O₃) concentration at Hermiston, Oregon is 11.651 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Hermiston, Oregon?

The current nitrogen dioxide (NO₂) concentration at Hermiston, Oregon is 8.201 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-10T10:00:00.000Z	27 \| good	5.256 \| good	22.809 \| good	26.987 \| good	0.542 \| good	3.356 \| good	0.118 \| good
2025-12-10T11:00:00.000Z	44 \| good	8.21 \| good	36.595 \| good	25.853 \| good	0.478 \| good	3.715 \| good	0.118 \| good
2025-12-10T12:00:00.000Z	52 \| moderate	9.78 \| good	43.471 \| good	25.86 \| good	0.987 \| good	4.012 \| good	0.118 \| good
2025-12-10T13:00:00.000Z	52 \| moderate	9.78 \| good	43.466 \| good	26.437 \| good	0.987 \| good	4.021 \| good	0.118 \| good
2025-12-10T14:00:00.000Z	49 \| good	9.388 \| good	42.489 \| good	27.024 \| good	0.857 \| good	7.116 \| good	0.138 \| good
2025-12-10T15:00:00.000Z	27 \| good	4.55 \| good	19.782 \| good	23.809 \| good	0.521 \| good	5.866 \| good	0.138 \| good
2025-12-10T16:00:00.000Z	27 \| good	4.554 \| good	19.801 \| good	24.246 \| good	0.52 \| good	7.764 \| good	0.158 \| good
2025-12-10T17:00:00.000Z	26 \| good	3.37 \| good	14.869 \| good	27.758 \| good	0.435 \| good	7.485 \| good	0.158 \| good
2025-12-10T18:00:00.000Z	28 \| good	2.883 \| good	11.936 \| good	29.831 \| good	0.52 \| good	6.434 \| good	0.158 \| good
2025-12-10T19:00:00.000Z	27 \| good	2.586 \| good	10.953 \| good	29.492 \| good	1.009 \| good	6.377 \| good	0.138 \| good
2025-12-10T20:00:00.000Z	21 \| good	2.294 \| good	9.98 \| good	23.028 \| good	0.924 \| good	6.414 \| good	0.138 \| good
2025-12-10T21:00:00.000Z	21 \| good	2.093 \| good	8.981 \| good	23.343 \| good	0.899 \| good	6.368 \| good	0.138 \| good
2025-12-10T22:00:00.000Z	26 \| good	1.998 \| good	8.007 \| good	28.094 \| good	0.647 \| good	8.204 \| good	0.141 \| good
2025-12-10T23:00:00.000Z	27 \| good	1.899 \| good	7.999 \| good	28.998 \| good	0.33 \| good	5.984 \| good	0.158 \| good
2025-12-11T00:00:00.000Z	23 \| good	1.998 \| good	8 \| good	24.88 \| good	0.457 \| good	6.293 \| good	0.158 \| good
2025-12-11T01:00:00.000Z	26 \| good	2.295 \| good	9.98 \| good	27.82 \| good	0.415 \| good	4.96 \| good	0.176 \| good
2025-12-11T02:00:00.000Z	23 \| good	2.198 \| good	8.999 \| good	25.434 \| good	0.372 \| good	4.955 \| good	0.158 \| good
2025-12-11T03:00:00.000Z	26 \| good	2.199 \| good	9 \| good	28.31 \| good	0.372 \| good	3.488 \| good	0.139 \| good
2025-12-11T04:00:00.000Z	23 \| good	2.197 \| good	8.994 \| good	24.953 \| good	0.477 \| good	3.686 \| good	0.158 \| good
2025-12-11T05:00:00.000Z	26 \| good	2.499 \| good	10.006 \| good	27.866 \| good	0.437 \| good	2.753 \| good	0.138 \| good
2025-12-11T06:00:00.000Z	28 \| good	2.6 \| good	11.002 \| good	29.543 \| good	0.649 \| good	4.017 \| good	0.138 \| good
2025-12-11T07:00:00.000Z	32 \| good	2.605 \| good	11.027 \| good	35.053 \| good	0.861 \| good	4.107 \| good	0.138 \| good
2025-12-11T08:00:00.000Z	36 \| good	2.809 \| good	12.043 \| good	38.796 \| good	0.649 \| good	4.754 \| good	0.138 \| good
2025-12-11T09:00:00.000Z	34 \| good	2.915 \| good	12.072 \| good	36.988 \| good	0.585 \| good	4.757 \| good	0.138 \| good
2025-12-11T10:00:00.000Z	30 \| good	3.107 \| good	14.027 \| good	32.47 \| good	0.606 \| good	2.784 \| good	0.138 \| good
2025-12-11T11:00:00.000Z	32 \| good	3.108 \| good	14.032 \| good	35.133 \| good	0.697 \| good	2.851 \| good	0.1 \| good
2025-12-11T12:00:00.000Z	26 \| good	2.796 \| good	11.984 \| good	28.363 \| good	0.45 \| good	3.249 \| good	0.1 \| good
2025-12-11T13:00:00.000Z	29 \| good	2.795 \| good	11.979 \| good	31.338 \| good	0.45 \| good	3.246 \| good	0.1 \| good
2025-12-11T14:00:00.000Z	28 \| good	2.794 \| good	11.98 \| good	29.795 \| good	0.512 \| good	4.314 \| good	0.1 \| good
2025-12-11T15:00:00.000Z	28 \| good	2.691 \| good	10.971 \| good	30.267 \| good	0.963 \| good	5.209 \| good	0.1 \| good
2025-12-11T16:00:00.000Z	29 \| good	2.69 \| good	10.969 \| good	31.423 \| good	0.861 \| good	7.578 \| good	0.138 \| good
2025-12-11T17:00:00.000Z	28 \| good	2.589 \| good	10.957 \| good	29.621 \| good	0.989 \| good	6.318 \| good	0.138 \| good
2025-12-11T18:00:00.000Z	21 \| good	2.887 \| good	11.96 \| good	22.696 \| good	1.765 \| good	8.6 \| good	0.158 \| good
2025-12-11T19:00:00.000Z	19 \| good	3.086 \| good	13.931 \| good	19.549 \| good	1.357 \| good	7.291 \| good	0.158 \| good
2025-12-11T20:00:00.000Z	21 \| good	2.886 \| good	11.94 \| good	23.192 \| good	2.289 \| good	6.546 \| good	0.158 \| good
2025-12-11T21:00:00.000Z	21 \| good	2.884 \| good	11.934 \| good	23.444 \| good	2.907 \| good	8.037 \| good	0.158 \| good
2025-12-11T22:00:00.000Z	27 \| good	2.588 \| good	10.948 \| good	29.456 \| good	3.257 \| good	10.27 \| good	0.179 \| good
2025-12-11T23:00:00.000Z	29 \| good	2.287 \| good	9.941 \| good	31.29 \| good	5.076 \| good	8.702 \| good	0.199 \| good
2025-12-12T00:00:00.000Z	23 \| good	2.482 \| good	9.932 \| good	24.602 \| good	2.189 \| good	12.098 \| good	0.26 \| good
2025-12-12T01:00:00.000Z	22 \| good	2.485 \| good	9.947 \| good	23.671 \| good	1.298 \| good	14.384 \| good	0.277 \| good
2025-12-12T02:00:00.000Z	20 \| good	2.49 \| good	9.977 \| good	22.273 \| good	0.689 \| good	15.756 \| good	0.257 \| good
2025-12-12T03:00:00.000Z	29 \| good	1.581 \| good	6.021 \| good	30.707 \| good	0.204 \| good	1.925 \| good	0.102 \| good
2025-12-12T04:00:00.000Z	19 \| good	2.404 \| good	10.029 \| good	20.471 \| good	0.34 \| good	12.344 \| good	0.298 \| good
2025-12-12T05:00:00.000Z	18 \| good	2.413 \| good	10.07 \| good	19.351 \| good	0.351 \| good	11.618 \| good	0.237 \| good
2025-12-12T06:00:00.000Z	16 \| good	2.415 \| good	10.076 \| good	17.38 \| good	0.344 \| good	10.747 \| good	0.298 \| good
2025-12-12T07:00:00.000Z	12 \| good	2.319 \| good	10.094 \| good	12.627 \| good	0.344 \| good	10.738 \| good	0.299 \| good
2025-12-12T08:00:00.000Z	11 \| good	2.418 \| good	10.092 \| good	11.651 \| good	2.356 \| good	8.201 \| good	0.238 \| good
2025-12-12T09:00:00.000Z	11 \| good	2.418 \| good	10.092 \| good	11.651 \| good	2.356 \| good	8.201 \| good	0.238 \| good
2025-12-12T10:00:00.000Z	22 \| good	3.568 \| good	15.87 \| good	19.263 \| good	0.238 \| good	2.191 \| good	0.111 \| good
2025-12-12T11:00:00.000Z	22 \| good	4.467 \| good	19.813 \| good	16.121 \| good	0.237 \| good	2.235 \| good	0.112 \| good
2025-12-12T12:00:00.000Z	22 \| good	3.705 \| good	15.986 \| good	12.735 \| good	0.235 \| good	2.278 \| good	0.112 \| good
2025-12-12T13:00:00.000Z	16 \| good	3.474 \| good	15.794 \| good	11.969 \| good	0.243 \| good	2.742 \| good	0.117 \| good
2025-12-12T14:00:00.000Z	15 \| good	2.487 \| good	9.992 \| good	16.023 \| good	0.251 \| good	3.206 \| good	0.122 \| good
2025-12-12T15:00:00.000Z	15 \| good	1.146 \| good	4.967 \| good	16.118 \| good	0.259 \| good	3.67 \| good	0.127 \| good
2025-12-12T16:00:00.000Z	18 \| good	1.477 \| good	5.957 \| good	19.472 \| good	0.277 \| good	3.283 \| good	0.13 \| good
2025-12-12T17:00:00.000Z	29 \| good	2.644 \| good	10.876 \| good	30.846 \| good	0.295 \| good	2.896 \| good	0.134 \| good
2025-12-12T18:00:00.000Z	33 \| good	4.593 \| good	19.886 \| good	36.232 \| good	0.313 \| good	2.51 \| good	0.137 \| good
2025-12-12T19:00:00.000Z	36 \| good	2.562 \| good	10.004 \| good	38.589 \| good	0.387 \| good	2.294 \| good	0.135 \| good
2025-12-12T20:00:00.000Z	37 \| good	3.245 \| good	13.876 \| good	40.217 \| good	0.462 \| good	2.079 \| good	0.133 \| good
2025-12-12T21:00:00.000Z	35 \| good	2.755 \| good	10.994 \| good	38.339 \| good	0.537 \| good	1.863 \| good	0.13 \| good
2025-12-12T22:00:00.000Z	31 \| good	2.867 \| good	11.884 \| good	34.006 \| good	0.546 \| good	2.047 \| good	0.128 \| good
2025-12-12T23:00:00.000Z	28 \| good	2.989 \| good	11.992 \| good	29.858 \| good	0.555 \| good	2.231 \| good	0.127 \| good
2025-12-13T00:00:00.000Z	25 \| good	2.728 \| good	10.954 \| good	26.678 \| good	0.565 \| good	2.415 \| good	0.125 \| good
2025-12-13T01:00:00.000Z	20 \| good	3.142 \| good	13.796 \| good	21.802 \| good	0.582 \| good	2.816 \| good	0.128 \| good
2025-12-13T02:00:00.000Z	18 \| good	2.525 \| good	9.969 \| good	19.386 \| good	0.6 \| good	3.217 \| good	0.131 \| good
2025-12-13T03:00:00.000Z	23 \| good	2.742 \| good	10.951 \| good	25.201 \| good	0.617 \| good	3.618 \| good	0.134 \| good
2025-12-13T04:00:00.000Z	16 \| good	2.841 \| good	11.891 \| good	14.638 \| good	0.629 \| good	3.784 \| good	0.137 \| good
2025-12-13T05:00:00.000Z	16 \| good	2.54 \| good	10 \| good	10.241 \| good	0.64 \| good	3.95 \| good	0.139 \| good
2025-12-13T06:00:00.000Z	17 \| good	2.672 \| good	10.928 \| good	17.705 \| good	0.652 \| good	4.116 \| good	0.141 \| good
2025-12-13T07:00:00.000Z	16 \| good	3.49 \| good	15.783 \| good	16.961 \| good	0.606 \| good	4.016 \| good	0.141 \| good
2025-12-13T08:00:00.000Z	17 \| good	3.027 \| good	11.978 \| good	18.418 \| good	0.561 \| good	3.917 \| good	0.141 \| good
2025-12-13T09:00:00.000Z	16 \| good	2.819 \| good	11.836 \| good	14.659 \| good	0.515 \| good	3.817 \| good	0.141 \| good
2025-12-13T10:00:00.000Z	22 \| good	4.284 \| good	18.846 \| good	14.414 \| good	0.483 \| good	3.669 \| good	0.139 \| good
2025-12-13T11:00:00.000Z	27 \| good	5.091 \| good	21.826 \| good	5.355 \| good	0.451 \| good	3.52 \| good	0.138 \| good
2025-12-13T12:00:00.000Z	22 \| good	4.39 \| good	18.861 \| good	4.099 \| good	0.419 \| good	3.372 \| good	0.137 \| good
2025-12-13T13:00:00.000Z	22 \| good	3.853 \| good	16.846 \| good	4.373 \| good	0.389 \| good	3.841 \| good	0.141 \| good
2025-12-13T14:00:00.000Z	22 \| good	4.018 \| good	17.815 \| good	6.995 \| good	0.36 \| good	4.309 \| good	0.145 \| good
2025-12-13T15:00:00.000Z	16 \| good	3.398 \| good	14.868 \| good	8.459 \| good	0.33 \| good	4.778 \| good	0.15 \| good
2025-12-13T16:00:00.000Z	12 \| good	2.333 \| good	9.869 \| good	13.049 \| good	0.321 \| good	4.295 \| good	0.154 \| good
2025-12-13T17:00:00.000Z	20 \| good	3.054 \| good	12.017 \| good	21.697 \| good	0.312 \| good	3.811 \| good	0.159 \| good
2025-12-13T18:00:00.000Z	22 \| good	4.226 \| good	18.797 \| good	23.852 \| good	0.303 \| good	3.328 \| good	0.163 \| good
2025-12-13T19:00:00.000Z	22 \| good	3.834 \| good	16.898 \| good	23.911 \| good	0.354 \| good	3.063 \| good	0.154 \| good
2025-12-13T20:00:00.000Z	26 \| good	3.758 \| good	15.993 \| good	27.601 \| good	0.405 \| good	2.799 \| good	0.146 \| good
2025-12-13T21:00:00.000Z	28 \| good	4.433 \| good	18.976 \| good	29.708 \| good	0.455 \| good	2.535 \| good	0.137 \| good
2025-12-13T22:00:00.000Z	33 \| good	5.615 \| good	23.893 \| good	30.997 \| good	0.442 \| good	3.801 \| good	0.146 \| good
2025-12-13T23:00:00.000Z	27 \| good	5.28 \| good	22.91 \| good	27.01 \| good	0.429 \| good	5.067 \| good	0.155 \| good
2025-12-14T00:00:00.000Z	22 \| good	3.578 \| good	15.923 \| good	23.336 \| good	0.415 \| good	6.333 \| good	0.165 \| good
2025-12-14T01:00:00.000Z	22 \| good	4.084 \| good	17.957 \| good	20.108 \| good	0.429 \| good	7.998 \| good	0.185 \| good
2025-12-14T02:00:00.000Z	22 \| good	3.873 \| good	16.986 \| good	18.282 \| good	0.442 \| good	9.662 \| good	0.206 \| good
2025-12-14T03:00:00.000Z	28 \| good	4.349 \| good	18.966 \| good	30.055 \| good	0.456 \| good	11.327 \| good	0.227 \| good
2025-12-14T04:00:00.000Z	27 \| good	4.678 \| good	20.01 \| good	23.538 \| good	0.446 \| good	10.934 \| good	0.223 \| good
2025-12-14T05:00:00.000Z	27 \| good	5.375 \| good	22.963 \| good	18.689 \| good	0.436 \| good	10.541 \| good	0.22 \| good
2025-12-14T06:00:00.000Z	49 \| good	8.877 \| good	8.931 \| good	7.304 \| good	0.425 \| good	10.046 \| good	0.216 \| good
2025-12-14T07:00:00.000Z	33 \| good	6.139 \| good	26.812 \| good	21.576 \| good	0.38 \| good	8.512 \| good	0.198 \| good
2025-12-14T08:00:00.000Z	44 \| good	7.665 \| good	33.723 \| good	16.127 \| good	0.333 \| good	6.876 \| good	0.18 \| good
2025-12-14T09:00:00.000Z	44 \| good	7.908 \| good	34.683 \| good	15.849 \| good	0.287 \| good	5.239 \| good	0.162 \| good

Hermiston, Oregon live air quality index now

Major air pollutants in Hermiston, Oregon

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Hermiston, Oregon air quality forecast and history

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Hermiston, Oregon air quality map: Track AQI near you

Air quality in nearby cities

Kennewick, Washington

Pendleton, Oregon

Pasco, Washington

Richland, Washington

West Richland, Washington

Grandview, Washington

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Frequently asked questions

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What is the current concentration of PM2.5 in Hermiston, Oregon?

What is the current concentration of PM10 in Hermiston, Oregon?

What is the current concentration of carbon monoxide (CO) in Hermiston, Oregon?

What is the current concentration of sulfur dioxide (SO2) in Hermiston, Oregon?

What is the current concentration of ozone (O3) in Hermiston, Oregon?

What is the current concentration of nitrogen dioxide (NO2) in Hermiston, Oregon?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Hermiston, Oregon?

What is the current concentration of PM₁₀ in Hermiston, Oregon?

What is the current concentration of sulfur dioxide (SO₂) in Hermiston, Oregon?

What is the current concentration of ozone (O₃) in Hermiston, Oregon?

What is the current concentration of nitrogen dioxide (NO₂) in Hermiston, Oregon?