What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 24.023 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 0.626 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 27.948 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 5.433 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 5.598 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)

5.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.02 μg/m³

155

255

425

605+

Ozone (O₃)

27.95 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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
2026-10-20T22:00:00.000Z	49 \| good	9 \| good	41 \| good	36.314 \| good	1.067 \| good	2.851 \| good	0.117 \| good
2026-10-20T23:00:00.000Z	34 \| good	6.3 \| good	28 \| good	36.829 \| good	0.471 \| good	2.058 \| good	0.125 \| good
2026-10-21T00:00:00.000Z	42 \| good	6.2 \| good	28 \| good	45.121 \| good	0.471 \| good	1.931 \| good	0.191 \| good
2026-10-21T01:00:00.000Z	42 \| good	6.8 \| good	30 \| good	44.662 \| good	0.489 \| good	5.755 \| good	0.183 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.4 \| good	33 \| good	37.508 \| good	0.408 \| good	8.284 \| good	0.191 \| good
2026-10-21T03:00:00.000Z	38 \| good	7.313 \| good	32.314 \| good	29.871 \| good	0.146 \| good	5.444 \| good	0.159 \| good
2026-10-21T04:00:00.000Z	44 \| good	7.6 \| good	34 \| good	33.665 \| good	0.318 \| good	8.27 \| good	0.217 \| good
2026-10-21T05:00:00.000Z	44 \| good	7.6 \| good	34 \| good	23.106 \| good	0.297 \| good	5.539 \| good	0.274 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.4 \| good	29 \| good	18.651 \| good	0.339 \| good	5.847 \| good	0.282 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.1 \| good	27 \| good	17.395 \| good	0.254 \| good	5.819 \| good	0.348 \| good
2026-10-21T08:00:00.000Z	33 \| good	6.1 \| good	27 \| good	19 \| good	0.245 \| good	6.421 \| good	0.357 \| good
2026-10-21T09:00:00.000Z	33 \| good	6.3 \| good	28 \| good	19.723 \| good	0.44 \| good	6.558 \| good	0.358 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.6 \| good	30 \| good	17.793 \| good	0.265 \| good	6.657 \| good	0.283 \| good
2026-10-21T11:00:00.000Z	38 \| good	6.6 \| good	30 \| good	16.359 \| good	0.551 \| good	5.149 \| good	0.274 \| good
2026-10-21T12:00:00.000Z	33 \| good	6.4 \| good	29 \| good	18.87 \| good	0.287 \| good	5.724 \| good	0.283 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.2 \| good	32 \| good	13.918 \| good	0.376 \| good	5.397 \| good	0.226 \| good
2026-10-21T14:00:00.000Z	44 \| good	7.7 \| good	34 \| good	12.918 \| good	0.44 \| good	8.206 \| good	0.325 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.9 \| good	35 \| good	15.592 \| good	0.385 \| good	13.619 \| good	0.351 \| good
2026-10-21T16:00:00.000Z	44 \| good	8.2 \| good	36 \| good	14.784 \| good	0.516 \| good	12.052 \| good	0.267 \| good
2026-10-21T17:00:00.000Z	49 \| good	8.5 \| good	37 \| good	19.093 \| good	0.424 \| good	8.644 \| good	0.291 \| good
2026-10-21T18:00:00.000Z	49 \| good	8.6 \| good	38 \| good	20.932 \| good	0.449 \| good	8.684 \| good	0.25 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.5 \| good	47 \| good	26.805 \| good	0.386 \| good	6.839 \| good	0.233 \| good
2026-10-21T20:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	30.237 \| good	0.459 \| good	5.251 \| good	0.216 \| good
2026-10-21T21:00:00.000Z	44 \| good	7.8 \| good	34 \| good	33.691 \| good	0.479 \| good	4.866 \| good	0.207 \| good
2026-10-21T22:00:00.000Z	34 \| good	6.2 \| good	28 \| good	37.426 \| good	0.531 \| good	4.933 \| good	0.134 \| good
2026-10-21T23:00:00.000Z	35 \| good	5.4 \| good	23 \| good	37.614 \| good	0.984 \| good	3.567 \| good	0.134 \| good
2026-10-22T00:00:00.000Z	32 \| good	5.4 \| good	23 \| good	35.028 \| good	0.482 \| good	3.569 \| good	0.208 \| good
2026-10-22T01:00:00.000Z	36 \| good	4.9 \| good	21 \| good	39.247 \| good	0.481 \| good	3.292 \| good	0.208 \| good
2026-10-22T02:00:00.000Z	33 \| good	5.7 \| good	25 \| good	33.063 \| good	0.379 \| good	4.954 \| good	0.242 \| good
2026-10-22T03:00:00.000Z	52 \| moderate	9.794 \| good	43.239 \| good	31.916 \| good	0.162 \| good	5.518 \| good	0.159 \| good
2026-10-22T04:00:00.000Z	38 \| good	6.6 \| good	30 \| good	25.078 \| good	0.658 \| good	6.229 \| good	0.276 \| good
2026-10-22T05:00:00.000Z	38 \| good	6.8 \| good	30 \| good	23.035 \| good	0.475 \| good	6.501 \| good	0.342 \| good
2026-10-22T06:00:00.000Z	38 \| good	6.7 \| good	30 \| good	21.458 \| good	0.282 \| good	7.656 \| good	0.342 \| good
2026-10-22T07:00:00.000Z	33 \| good	6.4 \| good	29 \| good	21.855 \| good	0.29 \| good	7.914 \| good	0.391 \| good
2026-10-22T08:00:00.000Z	38 \| good	6.8 \| good	30 \| good	17.017 \| good	0.255 \| good	5.45 \| good	0.3 \| good
2026-10-22T09:00:00.000Z	38 \| good	7.1 \| good	32 \| good	20.457 \| good	0.3 \| good	4.371 \| good	0.306 \| good
2026-10-22T10:00:00.000Z	38 \| good	6.5 \| good	29 \| good	14.876 \| good	0.332 \| good	10.332 \| good	0.374 \| good
2026-10-22T11:00:00.000Z	38 \| good	6.5 \| good	29 \| good	12.014 \| good	0.264 \| good	10.117 \| good	0.374 \| good
2026-10-22T12:00:00.000Z	38 \| good	6.6 \| good	30 \| good	20.529 \| good	0.515 \| good	11.295 \| good	0.317 \| good
2026-10-22T13:00:00.000Z	38 \| good	6.7 \| good	30 \| good	22.949 \| good	0.296 \| good	12.627 \| good	0.317 \| good
2026-10-22T14:00:00.000Z	38 \| good	7 \| good	31 \| good	22.636 \| good	0.307 \| good	13.685 \| good	0.323 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.7 \| good	34 \| good	20.725 \| good	0.46 \| good	13.398 \| good	0.406 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	11.966 \| good	0.37 \| good	13.193 \| good	0.505 \| good
2026-10-22T17:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	18.859 \| good	0.487 \| good	10.12 \| good	0.431 \| good
2026-10-22T18:00:00.000Z	44 \| good	8 \| good	35 \| good	24.442 \| good	0.431 \| good	7.118 \| good	0.306 \| good
2026-10-22T19:00:00.000Z	44 \| good	8 \| good	35 \| good	22.921 \| good	0.513 \| good	5.14 \| good	0.24 \| good
2026-10-22T20:00:00.000Z	33 \| good	5.6 \| good	24 \| good	24.242 \| good	0.523 \| good	3.85 \| good	0.208 \| good
2026-10-22T21:00:00.000Z	33 \| good	5.6 \| good	24 \| good	27.948 \| good	0.626 \| good	5.434 \| good	0.207 \| good
2026-10-22T21:00:00.000Z	33 \| good	5.598 \| good	24.023 \| good	27.948 \| good	0.626 \| good	5.433 \| good	0.207 \| good
2026-10-22T22:00:00.000Z	42 \| good	3.257 \| good	14.301 \| good	45.059 \| good	0.084 \| good	0.979 \| good	0.112 \| good
2026-10-22T23:00:00.000Z	43 \| good	1.656 \| good	6.663 \| good	45.951 \| good	0.083 \| good	1.019 \| good	0.113 \| good
2026-10-23T00:00:00.000Z	42 \| good	1.26 \| good	5.154 \| good	44.919 \| good	0.082 \| good	1.276 \| good	0.115 \| good
2026-10-23T01:00:00.000Z	40 \| good	0.944 \| good	3.728 \| good	42.789 \| good	0.088 \| good	2.499 \| good	0.124 \| good
2026-10-23T02:00:00.000Z	37 \| good	2.156 \| good	8.952 \| good	40.384 \| good	0.107 \| good	4.269 \| good	0.139 \| good
2026-10-23T03:00:00.000Z	34 \| good	2.733 \| good	11.155 \| good	37.089 \| good	0.106 \| good	5.266 \| good	0.147 \| good
2026-10-23T04:00:00.000Z	31 \| good	2.104 \| good	8.774 \| good	34.369 \| good	0.085 \| good	3.986 \| good	0.139 \| good
2026-10-23T05:00:00.000Z	33 \| good	1.005 \| good	3.822 \| good	35.76 \| good	0.08 \| good	3.119 \| good	0.133 \| good
2026-10-23T06:00:00.000Z	34 \| good	1.119 \| good	4.372 \| good	36.778 \| good	0.083 \| good	3.41 \| good	0.136 \| good
2026-10-23T07:00:00.000Z	32 \| good	2.472 \| good	10.13 \| good	34.919 \| good	0.075 \| good	2.38 \| good	0.132 \| good
2026-10-23T08:00:00.000Z	31 \| good	3.893 \| good	17.15 \| good	32.933 \| good	0.081 \| good	1.734 \| good	0.138 \| good
2026-10-23T09:00:00.000Z	38 \| good	6.723 \| good	30.001 \| good	37.206 \| good	0.112 \| good	1.028 \| good	0.148 \| good
2026-10-23T10:00:00.000Z	38 \| good	6.503 \| good	28.958 \| good	39.119 \| good	0.154 \| good	0.957 \| good	0.157 \| good
2026-10-23T11:00:00.000Z	62 \| moderate	14.581 \| fine	65.257 \| fine	39.769 \| good	0.203 \| good	0.917 \| good	0.16 \| good
2026-10-23T12:00:00.000Z	38 \| good	7.273 \| good	32.165 \| good	39.909 \| good	0.247 \| good	0.924 \| good	0.157 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.689 \| good	29.573 \| good	40.31 \| good	0.282 \| good	0.906 \| good	0.153 \| good
2026-10-23T14:00:00.000Z	38 \| good	6.887 \| good	30.766 \| good	39.803 \| good	0.304 \| good	0.978 \| good	0.148 \| good
2026-10-23T15:00:00.000Z	36 \| good	6.324 \| good	27.931 \| good	38.915 \| good	0.322 \| good	1.094 \| good	0.145 \| good
2026-10-23T16:00:00.000Z	38 \| good	7.173 \| good	31.696 \| good	36.898 \| good	0.342 \| good	1.061 \| good	0.141 \| good
2026-10-23T17:00:00.000Z	49 \| good	8.701 \| good	38.362 \| good	36.341 \| good	0.367 \| good	0.946 \| good	0.139 \| good
2026-10-23T18:00:00.000Z	38 \| good	7.484 \| good	32.811 \| good	37.112 \| good	0.401 \| good	0.804 \| good	0.137 \| good
2026-10-23T19:00:00.000Z	37 \| good	5.677 \| good	24.429 \| good	39.882 \| good	0.431 \| good	0.726 \| good	0.138 \| good
2026-10-23T20:00:00.000Z	38 \| good	5.593 \| good	24.386 \| good	40.899 \| good	0.453 \| good	0.627 \| good	0.14 \| good
2026-10-23T21:00:00.000Z	37 \| good	5.376 \| good	23.41 \| good	40.421 \| good	0.458 \| good	0.52 \| good	0.14 \| good
2026-10-23T22:00:00.000Z	37 \| good	5.498 \| good	23.792 \| good	39.96 \| good	0.447 \| good	0.436 \| good	0.138 \| good
2026-10-23T23:00:00.000Z	36 \| good	4.978 \| good	21.692 \| good	38.852 \| good	0.429 \| good	0.432 \| good	0.136 \| good
2026-10-24T00:00:00.000Z	37 \| good	3.509 \| good	15.148 \| good	40.247 \| good	0.416 \| good	0.548 \| good	0.134 \| good
2026-10-24T01:00:00.000Z	38 \| good	4.202 \| good	18.168 \| good	41.157 \| good	0.393 \| good	0.869 \| good	0.135 \| good
2026-10-24T02:00:00.000Z	37 \| good	4.472 \| good	19.537 \| good	39.636 \| good	0.372 \| good	1.094 \| good	0.135 \| good
2026-10-24T03:00:00.000Z	37 \| good	4.186 \| good	18.104 \| good	39.855 \| good	0.355 \| good	1.202 \| good	0.135 \| good
2026-10-24T04:00:00.000Z	33 \| good	3.257 \| good	14.243 \| good	36.386 \| good	0.338 \| good	1.314 \| good	0.137 \| good
2026-10-24T05:00:00.000Z	32 \| good	3.05 \| good	13.16 \| good	34.845 \| good	0.321 \| good	1.45 \| good	0.139 \| good
2026-10-24T06:00:00.000Z	31 \| good	3.578 \| good	15.229 \| good	34.357 \| good	0.304 \| good	1.593 \| good	0.141 \| good
2026-10-24T07:00:00.000Z	29 \| good	4.511 \| good	19.452 \| good	30.896 \| good	0.279 \| good	1.784 \| good	0.143 \| good
2026-10-24T08:00:00.000Z	27 \| good	4.278 \| good	18.627 \| good	29.19 \| good	0.251 \| good	2.051 \| good	0.145 \| good
2026-10-24T09:00:00.000Z	25 \| good	4.111 \| good	17.959 \| good	26.827 \| good	0.225 \| good	2.406 \| good	0.148 \| good
2026-10-24T10:00:00.000Z	24 \| good	3.694 \| good	16.044 \| good	25.899 \| good	0.205 \| good	2.857 \| good	0.151 \| good
2026-10-24T11:00:00.000Z	27 \| good	4.604 \| good	19.952 \| good	24.105 \| good	0.19 \| good	3.384 \| good	0.156 \| good
2026-10-24T12:00:00.000Z	23 \| good	3.581 \| good	15.707 \| good	25.186 \| good	0.177 \| good	3.901 \| good	0.162 \| good
2026-10-24T13:00:00.000Z	21 \| good	3.377 \| good	14.511 \| good	22.694 \| good	0.165 \| good	4.451 \| good	0.168 \| good
2026-10-24T14:00:00.000Z	22 \| good	3.118 \| good	13.227 \| good	24.219 \| good	0.16 \| good	5.216 \| good	0.176 \| good
2026-10-24T15:00:00.000Z	27 \| good	4.587 \| good	19.987 \| good	27.084 \| good	0.159 \| good	4.518 \| good	0.187 \| good
2026-10-24T16:00:00.000Z	38 \| good	6.575 \| good	29.34 \| good	30.883 \| good	0.188 \| good	2.896 \| good	0.181 \| good
2026-10-24T17:00:00.000Z	49 \| good	9.154 \| good	40.706 \| good	34.793 \| good	0.277 \| good	1.707 \| good	0.166 \| good
2026-10-24T18:00:00.000Z	38 \| good	6.834 \| good	30.516 \| good	37.827 \| good	0.316 \| good	1.186 \| good	0.158 \| good
2026-10-24T19:00:00.000Z	38 \| good	2.465 \| good	10.116 \| good	41.357 \| good	0.337 \| good	0.916 \| good	0.154 \| good
2026-10-24T20:00:00.000Z	41 \| good	2.957 \| good	12.037 \| good	44.007 \| good	0.349 \| good	0.767 \| good	0.153 \| good
2026-10-24T21:00:00.000Z	42 \| good	2.519 \| good	10.38 \| good	44.918 \| good	0.351 \| good	0.704 \| good	0.153 \| good

Ontario

Empower business decisions with accurate air quality data

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

0.20ppm

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 05:00:00 on 2026-10-22.

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

The best air quality in Ontario, Oregon was recorded at 12:00:00 on 2026-10-22.

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

The real-time air quality index in Ontario, Oregon is 33, currently categorized as Good.

Which pollutant is found most often in Ontario, Oregon?

The most common pollutant in Ontario, Oregon is PM2.5.

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 5.598 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 24.023 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.207 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 0.626 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 27.948 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 5.433 ppb.

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