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

The current PM10 concentration at Hermiston, Oregon is 11.974 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Hermiston, Oregon is 0.1 ppb.

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

The current ozone (O3) concentration at Hermiston, Oregon is 42.009 ppm.

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

The current nitrogen dioxide (NO2) concentration at Hermiston, Oregon is 8.004 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 2.794 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)

2.79 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.97 μg/m³

155

255

425

605+

Ozone (O₃)

42.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.10 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.49 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-07T21:00:00.000Z	29 \| good	2.201 \| good	9.017 \| good	30.516 \| good	0.475 \| good	4.15 \| good	0.161 \| good
2026-03-07T22:00:00.000Z	31 \| good	2.29 \| good	10.015 \| good	34.132 \| good	0.396 \| good	2.706 \| good	0.178 \| good
2026-03-07T23:00:00.000Z	28 \| good	2.293 \| good	9.996 \| good	30.257 \| good	0.171 \| good	2.955 \| good	0.178 \| good
2026-03-08T00:00:00.000Z	29 \| good	2.288 \| good	9.978 \| good	30.56 \| good	0.164 \| good	3.447 \| good	0.178 \| good
2026-03-08T01:00:00.000Z	30 \| good	2.383 \| good	9.981 \| good	32.18 \| good	0.17 \| good	3.768 \| good	0.161 \| good
2026-03-08T02:00:00.000Z	23 \| good	2.388 \| good	9.993 \| good	25.4 \| good	0.46 \| good	4.621 \| good	0.182 \| good
2026-03-08T03:00:00.000Z	29 \| good	2.249 \| good	9.08 \| good	31.16 \| good	0.097 \| good	2.361 \| good	0.131 \| good
2026-03-08T04:00:00.000Z	25 \| good	2.887 \| good	11.971 \| good	27.066 \| good	0.232 \| good	4.913 \| good	0.184 \| good
2026-03-08T05:00:00.000Z	23 \| good	3.177 \| good	13.919 \| good	25.111 \| good	2.123 \| good	4.072 \| good	0.162 \| good
2026-03-08T06:00:00.000Z	27 \| good	3.179 \| good	13.915 \| good	28.856 \| good	0.917 \| good	3.934 \| good	0.161 \| good
2026-03-08T07:00:00.000Z	28 \| good	3.38 \| good	14.915 \| good	29.56 \| good	0.915 \| good	3.93 \| good	0.161 \| good
2026-03-08T08:00:00.000Z	28 \| good	3.574 \| good	15.913 \| good	29.576 \| good	0.282 \| good	2.747 \| good	0.141 \| good
2026-03-08T09:00:00.000Z	28 \| good	3.676 \| good	15.921 \| good	29.613 \| good	0.575 \| good	2.745 \| good	0.141 \| good
2026-03-08T10:00:00.000Z	27 \| good	3.676 \| good	16.245 \| good	28.782 \| good	0.393 \| good	1.62 \| good	0.12 \| good
2026-03-08T11:00:00.000Z	27 \| good	3.688 \| good	16.099 \| good	28.636 \| good	1.129 \| good	1.876 \| good	0.1 \| good
2026-03-08T12:00:00.000Z	24 \| good	3.692 \| good	16.093 \| good	25.5 \| good	0.191 \| good	1.551 \| good	0.118 \| good
2026-03-08T13:00:00.000Z	22 \| good	3.687 \| good	16.131 \| good	23.505 \| good	0.192 \| good	1.545 \| good	0.118 \| good
2026-03-08T14:00:00.000Z	26 \| good	3.6 \| good	16.076 \| good	27.713 \| good	0.238 \| good	2.685 \| good	0.135 \| good
2026-03-08T15:00:00.000Z	25 \| good	3.396 \| good	15.603 \| good	27.334 \| good	0.169 \| good	2.611 \| good	0.173 \| good
2026-03-08T16:00:00.000Z	27 \| good	3.416 \| good	15.599 \| good	28.868 \| good	0.333 \| good	1.536 \| good	0.155 \| good
2026-03-08T17:00:00.000Z	31 \| good	3.123 \| good	15.005 \| good	33.1 \| good	0.322 \| good	1.774 \| good	0.246 \| good
2026-03-08T18:00:00.000Z	32 \| good	3.024 \| good	15.279 \| good	34.528 \| good	0.489 \| good	1.833 \| good	0.261 \| good
2026-03-08T19:00:00.000Z	31 \| good	2.994 \| good	16.498 \| good	32.859 \| good	0.25 \| good	1.637 \| good	0.243 \| good
2026-03-08T20:00:00.000Z	31 \| good	3.008 \| good	16.071 \| good	33.671 \| good	0.161 \| good	1.688 \| good	0.173 \| good
2026-03-08T21:00:00.000Z	33 \| good	3.031 \| good	17.196 \| good	36.111 \| good	0.164 \| good	3.468 \| good	0.193 \| good
2026-03-08T22:00:00.000Z	33 \| good	2.754 \| good	16.583 \| good	36.2 \| good	0.601 \| good	2.628 \| good	0.211 \| good
2026-03-08T23:00:00.000Z	33 \| good	2.786 \| good	15.371 \| good	35.772 \| good	0.515 \| good	2.015 \| good	0.173 \| good
2026-03-09T00:00:00.000Z	31 \| good	2.556 \| good	13.024 \| good	34.382 \| good	0.714 \| good	2.268 \| good	0.141 \| good
2026-03-09T01:00:00.000Z	34 \| good	2.4 \| good	11.652 \| good	37.437 \| good	1.949 \| good	2.805 \| good	0.141 \| good
2026-03-09T02:00:00.000Z	27 \| good	2.344 \| good	10.947 \| good	29.009 \| good	1.876 \| good	4.905 \| good	0.161 \| good
2026-03-09T03:00:00.000Z	30 \| good	3.091 \| good	12.118 \| good	31.659 \| good	0.129 \| good	1.667 \| good	0.121 \| good
2026-03-09T04:00:00.000Z	31 \| good	2.705 \| good	11.232 \| good	33.304 \| good	1.426 \| good	4.395 \| good	0.176 \| good
2026-03-09T05:00:00.000Z	31 \| good	2.594 \| good	11.088 \| good	34.046 \| good	1.62 \| good	4.592 \| good	0.266 \| good
2026-03-09T06:00:00.000Z	38 \| good	2.49 \| good	10.036 \| good	41.059 \| good	0.246 \| good	6.947 \| good	0.34 \| good
2026-03-09T07:00:00.000Z	36 \| good	2.49 \| good	10.001 \| good	38.978 \| good	0.246 \| good	6.879 \| good	0.34 \| good
2026-03-09T08:00:00.000Z	39 \| good	2.494 \| good	9.982 \| good	41.812 \| good	0.143 \| good	7.063 \| good	0.215 \| good
2026-03-09T09:00:00.000Z	35 \| good	2.492 \| good	9.966 \| good	37.529 \| good	0.14 \| good	6.9 \| good	0.267 \| good
2026-03-09T10:00:00.000Z	33 \| good	2.992 \| good	11.94 \| good	36.469 \| good	0.162 \| good	8.846 \| good	0.323 \| good
2026-03-09T11:00:00.000Z	33 \| good	3.294 \| good	14.904 \| good	36.334 \| good	0.229 \| good	7.812 \| good	0.397 \| good
2026-03-09T12:00:00.000Z	27 \| good	3.293 \| good	14.896 \| good	28.741 \| good	2.474 \| good	9.981 \| good	0.473 \| good
2026-03-09T13:00:00.000Z	26 \| good	3.291 \| good	14.902 \| good	28.286 \| good	2.463 \| good	7.562 \| good	0.473 \| good
2026-03-09T14:00:00.000Z	34 \| good	3.28 \| good	14.905 \| good	36.516 \| good	1.715 \| good	10.475 \| good	0.569 \| good
2026-03-09T15:00:00.000Z	30 \| good	3.379 \| good	14.901 \| good	32.324 \| good	0.425 \| good	15.928 \| good	0.53 \| good
2026-03-09T16:00:00.000Z	30 \| good	3.387 \| good	14.911 \| good	32.29 \| good	1.852 \| good	13.77 \| good	0.384 \| good
2026-03-09T17:00:00.000Z	37 \| good	3.387 \| good	14.926 \| good	40.238 \| good	1.829 \| good	12.804 \| good	0.384 \| good
2026-03-09T18:00:00.000Z	39 \| good	3.078 \| good	13.964 \| good	42.243 \| good	0.188 \| good	5.743 \| good	0.389 \| good
2026-03-09T19:00:00.000Z	39 \| good	2.794 \| good	11.974 \| good	42.009 \| good	0.1 \| good	8.004 \| good	0.494 \| good
2026-03-09T20:00:00.000Z	33 \| good	2.589 \| good	11.068 \| good	36.404 \| good	0.202 \| good	6.879 \| good	0.549 \| good
2026-03-09T20:00:00.000Z	39 \| good	2.794 \| good	11.974 \| good	42.009 \| good	0.1 \| good	8.004 \| good	0.494 \| good
2026-03-09T21:00:00.000Z	44 \| good	0.596 \| good	2.039 \| good	48.112 \| good	0.164 \| good	0.392 \| good	0.12 \| good
2026-03-09T22:00:00.000Z	44 \| good	0.793 \| good	3.018 \| good	46.709 \| good	0.16 \| good	0.453 \| good	0.12 \| good
2026-03-09T23:00:00.000Z	43 \| good	1.505 \| good	6.098 \| good	46.324 \| good	0.156 \| good	0.514 \| good	0.12 \| good
2026-03-10T00:00:00.000Z	39 \| good	1.766 \| good	7.086 \| good	41.873 \| good	0.152 \| good	0.575 \| good	0.12 \| good
2026-03-10T01:00:00.000Z	36 \| good	1.578 \| good	6.085 \| good	39.188 \| good	0.167 \| good	1.004 \| good	0.124 \| good
2026-03-10T02:00:00.000Z	36 \| good	1.732 \| good	7.071 \| good	39.273 \| good	0.183 \| good	1.434 \| good	0.127 \| good
2026-03-10T03:00:00.000Z	34 \| good	1.143 \| good	5.016 \| good	37.43 \| good	0.199 \| good	1.863 \| good	0.131 \| good
2026-03-10T04:00:00.000Z	31 \| good	0.561 \| good	2.07 \| good	32.998 \| good	0.213 \| good	1.855 \| good	0.131 \| good
2026-03-10T05:00:00.000Z	30 \| good	0.824 \| good	3.069 \| good	32.359 \| good	0.227 \| good	1.847 \| good	0.132 \| good
2026-03-10T06:00:00.000Z	35 \| good	0.891 \| good	3.102 \| good	38.223 \| good	0.241 \| good	1.839 \| good	0.132 \| good
2026-03-10T07:00:00.000Z	43 \| good	1.444 \| good	5.986 \| good	45.949 \| good	0.244 \| good	1.689 \| good	0.131 \| good
2026-03-10T08:00:00.000Z	42 \| good	0.999 \| good	4.037 \| good	44.744 \| good	0.246 \| good	1.54 \| good	0.131 \| good
2026-03-10T09:00:00.000Z	36 \| good	0.98 \| good	4.037 \| good	39.354 \| good	0.248 \| good	1.39 \| good	0.13 \| good
2026-03-10T10:00:00.000Z	33 \| good	1.219 \| good	5.01 \| good	36.246 \| good	0.241 \| good	1.342 \| good	0.13 \| good
2026-03-10T11:00:00.000Z	28 \| good	0.504 \| good	2.047 \| good	29.82 \| good	0.234 \| good	1.294 \| good	0.13 \| good
2026-03-10T12:00:00.000Z	17 \| good	0.344 \| good	1.068 \| good	17.852 \| good	0.227 \| good	1.245 \| good	0.131 \| good
2026-03-10T13:00:00.000Z	22 \| good	0.565 \| good	2.085 \| good	24.419 \| good	0.23 \| good	1.445 \| good	0.133 \| good
2026-03-10T14:00:00.000Z	23 \| good	1.896 \| good	7.94 \| good	24.957 \| good	0.232 \| good	1.644 \| good	0.136 \| good
2026-03-10T15:00:00.000Z	29 \| good	1.481 \| good	5.977 \| good	31.352 \| good	0.235 \| good	1.843 \| good	0.138 \| good
2026-03-10T16:00:00.000Z	31 \| good	1.421 \| good	5.967 \| good	34.018 \| good	0.26 \| good	1.484 \| good	0.138 \| good
2026-03-10T17:00:00.000Z	37 \| good	1.608 \| good	6.955 \| good	39.829 \| good	0.284 \| good	1.124 \| good	0.138 \| good
2026-03-10T18:00:00.000Z	38 \| good	0.784 \| good	3.013 \| good	40.959 \| good	0.308 \| good	0.765 \| good	0.138 \| good
2026-03-10T19:00:00.000Z	37 \| good	0.452 \| good	2.037 \| good	40.405 \| good	0.303 \| good	0.67 \| good	0.137 \| good
2026-03-10T20:00:00.000Z	40 \| good	0.828 \| good	3.047 \| good	42.896 \| good	0.297 \| good	0.576 \| good	0.136 \| good
2026-03-10T21:00:00.000Z	41 \| good	0.89 \| good	3.099 \| good	43.787 \| good	0.291 \| good	0.481 \| good	0.135 \| good
2026-03-10T22:00:00.000Z	40 \| good	0.187 \| good	0.099 \| good	43.32 \| good	0.273 \| good	0.502 \| good	0.135 \| good
2026-03-10T23:00:00.000Z	38 \| good	1.09 \| good	4.071 \| good	40.943 \| good	0.254 \| good	0.523 \| good	0.135 \| good
2026-03-11T00:00:00.000Z	38 \| good	1.618 \| good	6.93 \| good	41.4 \| good	0.236 \| good	0.543 \| good	0.134 \| good
2026-03-11T01:00:00.000Z	34 \| good	1.924 \| good	7.986 \| good	37.427 \| good	0.22 \| good	0.869 \| good	0.137 \| good
2026-03-11T02:00:00.000Z	32 \| good	1.837 \| good	7.99 \| good	34.746 \| good	0.205 \| good	1.194 \| good	0.139 \| good
2026-03-11T03:00:00.000Z	32 \| good	1.576 \| good	6.116 \| good	34.934 \| good	0.189 \| good	1.52 \| good	0.142 \| good
2026-03-11T04:00:00.000Z	25 \| good	1.861 \| good	8.011 \| good	26.611 \| good	0.182 \| good	1.391 \| good	0.141 \| good
2026-03-11T05:00:00.000Z	23 \| good	2.974 \| good	12.091 \| good	24.902 \| good	0.175 \| good	1.263 \| good	0.14 \| good
2026-03-11T06:00:00.000Z	38 \| good	2.464 \| good	3.713 \| good	41.029 \| good	0.167 \| good	1.128 \| good	0.138 \| good
2026-03-11T07:00:00.000Z	25 \| good	1.736 \| good	7.168 \| good	27.07 \| good	0.153 \| good	1.008 \| good	0.137 \| good
2026-03-11T08:00:00.000Z	25 \| good	0.698 \| good	2.206 \| good	26.827 \| good	0.138 \| good	0.881 \| good	0.135 \| good
2026-03-11T09:00:00.000Z	25 \| good	1.187 \| good	5.023 \| good	26.655 \| good	0.124 \| good	0.754 \| good	0.133 \| good
2026-03-11T10:00:00.000Z	16 \| good	2.52 \| good	10.049 \| good	17.112 \| good	0.112 \| good	0.713 \| good	0.132 \| good
2026-03-11T11:00:00.000Z	17 \| good	2.622 \| good	10.888 \| good	18.197 \| good	0.1 \| good	0.671 \| good	0.131 \| good
2026-03-11T12:00:00.000Z	40 \| good	1.471 \| good	2.106 \| good	42.833 \| good	0.088 \| good	0.625 \| good	0.13 \| good
2026-03-11T13:00:00.000Z	39 \| good	1.265 \| good	1.803 \| good	42.377 \| good	0.086 \| good	0.737 \| good	0.131 \| good
2026-03-11T14:00:00.000Z	39 \| good	1.098 \| good	1.558 \| good	41.921 \| good	0.085 \| good	0.849 \| good	0.131 \| good
2026-03-11T15:00:00.000Z	38 \| good	1.081 \| good	1.525 \| good	41.464 \| good	0.084 \| good	0.96 \| good	0.132 \| good
2026-03-11T16:00:00.000Z	39 \| good	1.148 \| good	1.615 \| good	41.892 \| good	0.083 \| good	0.966 \| good	0.132 \| good
2026-03-11T17:00:00.000Z	35 \| good	3.806 \| good	16.906 \| good	37.706 \| good	0.082 \| good	0.98 \| good	0.132 \| good
2026-03-11T18:00:00.000Z	40 \| good	1.012 \| good	1.491 \| good	42.747 \| good	0.081 \| good	0.979 \| good	0.133 \| good
2026-03-11T19:00:00.000Z	40 \| good	1.014 \| good	1.558 \| good	42.664 \| good	0.075 \| good	0.86 \| good	0.131 \| good
2026-03-11T20:00:00.000Z	40 \| good	0.916 \| good	1.432 \| good	42.58 \| good	0.069 \| good	0.74 \| good	0.129 \| good

Hermiston

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Hermiston, Oregon air quality map: Track AQI near you

0.16ppm

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 07:00:00 on 2026-03-09.

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 01:00:00 on 2026-03-09.

What is the current air quality in Hermiston, Oregon?

The current air quality in Hermiston, Oregon is 39, 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 2.794 μg/m³.

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

The current PM₁₀ concentration at Hermiston, Oregon is 11.974 μg/m³.

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

The current carbon monoxide (CO) concentration at Hermiston, Oregon is 0.494 ppm.

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

The current sulfur dioxide (SO₂) concentration at Hermiston, Oregon is 0.1 ppb.

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

The current ozone (O₃) concentration at Hermiston, Oregon is 42.009 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Hermiston, Oregon is 8.004 ppb.

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