What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 10.697 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 0.494 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 45.593 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 1.586 ppb.

Real-time air quality index in Ontario, Oregon today

Q: What are the current PM2.5 levels in Ontario, Oregon?

The measured PM2.5 levels in Ontario, Oregon at present are 2.349 μg/m3.

Stay updated with real-time air quality in Ontario, 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

Ontario, Oregon

Last updated: ... (Local time)

Common air pollutants in Ontario, Oregon

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.70 μg/m³

155

255

425

605+

Ozone (O₃)

45.59 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 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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Ontario, Oregon

Scroll To Air Quality Map

Track live Ontario, Oregon air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T05:00:00.000Z	43 \| good	3.4 \| good	15 \| good	45.54 \| good	2.132 \| good	1.512 \| good	0.259 \| good
2026-04-22T06:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.363 \| good	1.781 \| good	1.688 \| good	0.259 \| good
2026-04-22T07:00:00.000Z	38 \| good	3.5 \| good	16 \| good	40.579 \| good	2.038 \| good	1.187 \| good	0.239 \| good
2026-04-22T08:00:00.000Z	40 \| good	3.4 \| good	15 \| good	43.028 \| good	4.692 \| good	2.061 \| good	0.239 \| good
2026-04-22T09:00:00.000Z	36 \| good	3.4 \| good	15 \| good	39.178 \| good	4.418 \| good	1.318 \| good	0.219 \| good
2026-04-22T10:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.07 \| good	5.845 \| good	0.985 \| good	0.219 \| good
2026-04-22T11:00:00.000Z	39 \| good	3.4 \| good	15 \| good	41.559 \| good	8.978 \| good	0.955 \| good	0.179 \| good
2026-04-22T12:00:00.000Z	39 \| good	3.4 \| good	15 \| good	41.843 \| good	4.983 \| good	1.472 \| good	0.199 \| good
2026-04-22T13:00:00.000Z	36 \| good	3.4 \| good	15 \| good	39.138 \| good	3.616 \| good	1.67 \| good	0.199 \| good
2026-04-22T14:00:00.000Z	35 \| good	3.4 \| good	15 \| good	37.783 \| good	2.818 \| good	3.656 \| good	0.199 \| good
2026-04-22T15:00:00.000Z	34 \| good	3.4 \| good	15 \| good	37.321 \| good	1.12 \| good	5.601 \| good	0.178 \| good
2026-04-22T16:00:00.000Z	33 \| good	3.4 \| good	15 \| good	36.219 \| good	2.401 \| good	5.818 \| good	0.178 \| good
2026-04-22T17:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.295 \| good	3.862 \| good	3.27 \| good	0.199 \| good
2026-04-22T18:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.239 \| good	2.218 \| good	2.496 \| good	0.199 \| good
2026-04-22T19:00:00.000Z	40 \| good	3.4 \| good	15 \| good	43.386 \| good	1.754 \| good	2.707 \| good	0.199 \| good
2026-04-22T20:00:00.000Z	36 \| good	3.4 \| good	15 \| good	38.513 \| good	0.857 \| good	2.279 \| good	0.199 \| good
2026-04-22T21:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.078 \| good	0.951 \| good	2.073 \| good	0.199 \| good
2026-04-22T22:00:00.000Z	35 \| good	3.4 \| good	15 \| good	37.685 \| good	1.737 \| good	2.018 \| good	0.199 \| good
2026-04-22T23:00:00.000Z	38 \| good	3.4 \| good	15 \| good	40.508 \| good	1.868 \| good	1.446 \| good	0.2 \| good
2026-04-23T00:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.423 \| good	2.835 \| good	1.768 \| good	0.219 \| good
2026-04-23T01:00:00.000Z	38 \| good	3.4 \| good	15 \| good	41.373 \| good	0.955 \| good	1.563 \| good	0.199 \| good
2026-04-23T02:00:00.000Z	38 \| good	2.394 \| good	7.206 \| good	40.549 \| good	0.481 \| good	1.196 \| good	0.239 \| good
2026-04-23T03:00:00.000Z	37 \| good	2.09 \| good	9.74 \| good	40.232 \| good	3.335 \| good	1.851 \| good	0.219 \| good
2026-04-23T04:00:00.000Z	36 \| good	1.845 \| good	8.361 \| good	39.293 \| good	4.906 \| good	1.545 \| good	0.219 \| good
2026-04-23T05:00:00.000Z	36 \| good	2.278 \| good	8.21 \| good	39.005 \| good	4.135 \| good	1.965 \| good	0.219 \| good
2026-04-23T06:00:00.000Z	35 \| good	1.942 \| good	7.392 \| good	37.614 \| good	4.153 \| good	1.815 \| good	0.199 \| good
2026-04-23T07:00:00.000Z	32 \| good	2.653 \| good	7.975 \| good	34.845 \| good	1.155 \| good	1.514 \| good	0.199 \| good
2026-04-23T08:00:00.000Z	31 \| good	2.921 \| good	10.479 \| good	34.192 \| good	1.696 \| good	1.974 \| good	0.179 \| good
2026-04-23T09:00:00.000Z	31 \| good	1.598 \| good	5.184 \| good	32.771 \| good	1.919 \| good	1.492 \| good	0.179 \| good
2026-04-23T10:00:00.000Z	30 \| good	2.746 \| good	10.804 \| good	31.674 \| good	1.786 \| good	1.808 \| good	0.163 \| good
2026-04-23T11:00:00.000Z	31 \| good	2.527 \| good	5.213 \| good	33.558 \| good	1.444 \| good	1.637 \| good	0.143 \| good
2026-04-23T12:00:00.000Z	30 \| good	2.033 \| good	8.572 \| good	31.939 \| good	0.894 \| good	1.222 \| good	0.198 \| good
2026-04-23T13:00:00.000Z	28 \| good	2.397 \| good	9.15 \| good	29.554 \| good	0.961 \| good	1.371 \| good	0.147 \| good
2026-04-23T14:00:00.000Z	26 \| good	1.863 \| good	8.241 \| good	28.139 \| good	1.126 \| good	1.854 \| good	0.152 \| good
2026-04-23T15:00:00.000Z	31 \| good	4.287 \| good	21.613 \| good	33.889 \| good	1.894 \| good	4.325 \| good	0.193 \| good
2026-04-23T16:00:00.000Z	30 \| good	4.853 \| good	8.142 \| good	32.331 \| good	5.589 \| good	4.096 \| good	0.198 \| good
2026-04-23T17:00:00.000Z	31 \| good	2.824 \| good	9.939 \| good	33.238 \| good	1.873 \| good	4.198 \| good	0.178 \| good
2026-04-23T18:00:00.000Z	31 \| good	2.667 \| good	10.718 \| good	33.292 \| good	1.76 \| good	3.197 \| good	0.158 \| good
2026-04-23T19:00:00.000Z	32 \| good	2.001 \| good	10.491 \| good	35.068 \| good	1.815 \| good	1.807 \| good	0.199 \| good
2026-04-23T20:00:00.000Z	36 \| good	2.095 \| good	9.873 \| good	38.784 \| good	2.149 \| good	1.718 \| good	0.199 \| good
2026-04-23T21:00:00.000Z	36 \| good	2.92 \| good	13.879 \| good	38.769 \| good	1.413 \| good	1.092 \| good	0.199 \| good
2026-04-23T22:00:00.000Z	36 \| good	2.401 \| good	13.633 \| good	39.275 \| good	1.489 \| good	1.07 \| good	0.199 \| good
2026-04-23T23:00:00.000Z	39 \| good	2.601 \| good	12.185 \| good	42.49 \| good	1.205 \| good	1.148 \| good	0.219 \| good
2026-04-24T00:00:00.000Z	40 \| good	2.123 \| good	13.123 \| good	43.003 \| good	1.394 \| good	1.089 \| good	0.219 \| good
2026-04-24T01:00:00.000Z	42 \| good	2.173 \| good	9.204 \| good	44.736 \| good	0.589 \| good	0.947 \| good	0.219 \| good
2026-04-24T02:00:00.000Z	44 \| good	1.666 \| good	7.111 \| good	46.559 \| good	0.89 \| good	1.114 \| good	0.219 \| good
2026-04-24T03:00:00.000Z	40 \| good	4.021 \| good	17.74 \| good	42.626 \| good	0.043 \| good	1.456 \| good	0.131 \| good
2026-04-24T04:00:00.000Z	42 \| good	2.262 \| good	10.697 \| good	45.466 \| good	0.494 \| good	1.588 \| good	0.219 \| good
2026-04-24T04:00:00.000Z	43 \| good	2.349 \| good	10.697 \| good	45.593 \| good	0.494 \| good	1.586 \| good	0.219 \| good
2026-04-24T05:00:00.000Z	26 \| good	3.868 \| good	16.809 \| good	28.239 \| good	0.054 \| good	1.373 \| good	0.132 \| good
2026-04-24T06:00:00.000Z	26 \| good	4.258 \| good	18.636 \| good	28.375 \| good	0.056 \| good	1.392 \| good	0.134 \| good
2026-04-24T07:00:00.000Z	30 \| good	3.448 \| good	15.044 \| good	31.778 \| good	0.056 \| good	1.77 \| good	0.136 \| good
2026-04-24T08:00:00.000Z	26 \| good	3.903 \| good	16.853 \| good	27.761 \| good	0.056 \| good	2.148 \| good	0.139 \| good
2026-04-24T09:00:00.000Z	29 \| good	3.101 \| good	12.701 \| good	30.987 \| good	0.055 \| good	2.526 \| good	0.142 \| good
2026-04-24T10:00:00.000Z	39 \| good	2.171 \| good	8.705 \| good	41.671 \| good	0.057 \| good	2.729 \| good	0.142 \| good
2026-04-24T11:00:00.000Z	38 \| good	2.604 \| good	10.452 \| good	40.787 \| good	0.058 \| good	2.933 \| good	0.143 \| good
2026-04-24T12:00:00.000Z	37 \| good	2.226 \| good	9.085 \| good	39.528 \| good	0.06 \| good	3.136 \| good	0.143 \| good
2026-04-24T13:00:00.000Z	32 \| good	4.286 \| good	18.833 \| good	35.444 \| good	0.08 \| good	2.57 \| good	0.143 \| good
2026-04-24T14:00:00.000Z	31 \| good	2.602 \| good	10.824 \| good	33.553 \| good	0.1 \| good	2.004 \| good	0.142 \| good
2026-04-24T15:00:00.000Z	34 \| good	1.931 \| good	7.818 \| good	36.613 \| good	0.12 \| good	1.439 \| good	0.141 \| good
2026-04-24T16:00:00.000Z	37 \| good	0.673 \| good	2.395 \| good	40.207 \| good	0.162 \| good	1.042 \| good	0.133 \| good
2026-04-24T17:00:00.000Z	39 \| good	0.82 \| good	3.336 \| good	41.668 \| good	0.205 \| good	0.645 \| good	0.126 \| good
2026-04-24T18:00:00.000Z	40 \| good	0.571 \| good	2.093 \| good	42.972 \| good	0.247 \| good	0.248 \| good	0.118 \| good
2026-04-24T19:00:00.000Z	41 \| good	0.59 \| good	2.093 \| good	44.425 \| good	0.264 \| good	0.233 \| good	0.116 \| good
2026-04-24T20:00:00.000Z	43 \| good	1.56 \| good	6.48 \| good	46.212 \| good	0.281 \| good	0.217 \| good	0.114 \| good
2026-04-24T21:00:00.000Z	44 \| good	1.624 \| good	6.704 \| good	46.972 \| good	0.298 \| good	0.201 \| good	0.112 \| good
2026-04-24T22:00:00.000Z	44 \| good	2.206 \| good	8.914 \| good	47.479 \| good	0.3 \| good	0.232 \| good	0.111 \| good
2026-04-24T23:00:00.000Z	46 \| good	2.29 \| good	9.48 \| good	49.639 \| good	0.301 \| good	0.263 \| good	0.11 \| good
2026-04-25T00:00:00.000Z	46 \| good	1.408 \| good	5.615 \| good	50.352 \| good	0.303 \| good	0.294 \| good	0.11 \| good
2026-04-25T01:00:00.000Z	45 \| good	1.451 \| good	5.748 \| good	49.003 \| good	0.3 \| good	1.025 \| good	0.117 \| good
2026-04-25T02:00:00.000Z	44 \| good	3.653 \| good	16 \| good	46.974 \| good	0.297 \| good	1.756 \| good	0.124 \| good
2026-04-25T03:00:00.000Z	35 \| good	2.603 \| good	10.634 \| good	38.244 \| good	0.294 \| good	2.487 \| good	0.131 \| good
2026-04-25T04:00:00.000Z	26 \| good	2.322 \| good	9.583 \| good	27.769 \| good	0.305 \| good	3.356 \| good	0.139 \| good
2026-04-25T05:00:00.000Z	25 \| good	2.331 \| good	9.656 \| good	26.927 \| good	0.316 \| good	4.225 \| good	0.147 \| good
2026-04-25T06:00:00.000Z	26 \| good	2.341 \| good	9.837 \| good	27.676 \| good	0.327 \| good	5.093 \| good	0.155 \| good
2026-04-25T07:00:00.000Z	29 \| good	1.427 \| good	5.673 \| good	31.108 \| good	0.291 \| good	5.067 \| good	0.155 \| good
2026-04-25T08:00:00.000Z	25 \| good	2.158 \| good	8.826 \| good	27.119 \| good	0.254 \| good	5.042 \| good	0.156 \| good
2026-04-25T09:00:00.000Z	22 \| good	2.373 \| good	9.618 \| good	24.068 \| good	0.218 \| good	5.016 \| good	0.156 \| good
2026-04-25T10:00:00.000Z	21 \| good	2.892 \| good	11.995 \| good	23.356 \| good	0.202 \| good	4.721 \| good	0.154 \| good
2026-04-25T11:00:00.000Z	19 \| good	2.76 \| good	11.402 \| good	21.067 \| good	0.185 \| good	4.426 \| good	0.151 \| good
2026-04-25T12:00:00.000Z	12 \| good	1.781 \| good	7.359 \| good	13.39 \| good	0.169 \| good	4.131 \| good	0.148 \| good
2026-04-25T13:00:00.000Z	16 \| good	3.166 \| good	13.717 \| good	16.796 \| good	0.166 \| good	3.548 \| good	0.149 \| good
2026-04-25T14:00:00.000Z	19 \| good	1.976 \| good	7.972 \| good	20.938 \| good	0.164 \| good	2.965 \| good	0.149 \| good
2026-04-25T15:00:00.000Z	26 \| good	2.727 \| good	11.031 \| good	27.786 \| good	0.162 \| good	2.382 \| good	0.15 \| good
2026-04-25T16:00:00.000Z	29 \| good	0.633 \| good	2.508 \| good	31.373 \| good	0.201 \| good	1.818 \| good	0.142 \| good
2026-04-25T17:00:00.000Z	32 \| good	0.531 \| good	1.806 \| good	35.146 \| good	0.24 \| good	1.255 \| good	0.134 \| good
2026-04-25T18:00:00.000Z	37 \| good	0.72 \| good	2.726 \| good	39.853 \| good	0.279 \| good	0.692 \| good	0.126 \| good
2026-04-25T19:00:00.000Z	39 \| good	0.871 \| good	3.364 \| good	42.477 \| good	0.263 \| good	0.573 \| good	0.122 \| good
2026-04-25T20:00:00.000Z	41 \| good	1.965 \| good	8.293 \| good	44.446 \| good	0.248 \| good	0.455 \| good	0.118 \| good
2026-04-25T21:00:00.000Z	43 \| good	1.74 \| good	7.118 \| good	45.674 \| good	0.233 \| good	0.337 \| good	0.113 \| good
2026-04-25T22:00:00.000Z	44 \| good	0.809 \| good	3.161 \| good	48.316 \| good	0.214 \| good	0.338 \| good	0.112 \| good
2026-04-25T23:00:00.000Z	47 \| good	1.048 \| good	4.302 \| good	51.317 \| good	0.195 \| good	0.34 \| good	0.111 \| good
2026-04-26T00:00:00.000Z	90 \| moderate	2.385 \| good	3.142 \| good	67.463 \| fine	0.178 \| good	0.344 \| good	0.111 \| good
2026-04-26T01:00:00.000Z	51 \| moderate	1.015 \| good	4.288 \| good	54.553 \| good	0.17 \| good	0.858 \| good	0.114 \| good
2026-04-26T02:00:00.000Z	47 \| good	4.577 \| good	19.698 \| good	51.375 \| good	0.162 \| good	1.374 \| good	0.118 \| good
2026-04-26T03:00:00.000Z	39 \| good	3.336 \| good	14.665 \| good	42.122 \| good	0.155 \| good	1.891 \| good	0.122 \| good
2026-04-26T04:00:00.000Z	33 \| good	5.527 \| good	23.714 \| good	27.392 \| good	0.161 \| good	2.705 \| good	0.129 \| good

Ontario

Empower business decisions with accurate air quality data

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

0.15ppm

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.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Ontario, Oregon updated?

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

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

The worst air quality in Ontario, Oregon was recorded at 02:00:00 on 2026-04-24.

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

The best air quality in Ontario, Oregon was recorded at 02:00:00 on 2026-04-23.

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

The real-time air quality index in Ontario, Oregon is 43, currently categorized as Good.

Which pollutant is found most often in Ontario, Oregon?

The most common pollutant in Ontario, Oregon is O3.

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

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

What are the current PM_2.5 levels in Ontario, Oregon?

The measured PM_2.5 levels in Ontario, Oregon at present are 2.349 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 10.697 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.219 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 0.494 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 45.593 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 1.586 ppb.

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