What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 60.967 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 0.49 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 17.745 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 11.618 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 13.394 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)

Moderate

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)

13.39 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

60.97 μg/m³

155

255

425

605+

Ozone (O₃)

17.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.62 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 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
2025-12-11T21:00:00.000Z	38 \| good	6.8 \| good	30 \| good	24.773 \| good	4.972 \| good	11.23 \| good	0.22 \| good
2025-12-11T22:00:00.000Z	33 \| good	6.3 \| good	28 \| good	20.331 \| good	4.362 \| good	7.78 \| good	0.179 \| good
2025-12-11T23:00:00.000Z	27 \| good	5 \| good	22 \| good	24.888 \| good	5.032 \| good	8.854 \| good	0.18 \| good
2025-12-12T00:00:00.000Z	27 \| good	5.2 \| good	23 \| good	25.096 \| good	2.279 \| good	10.826 \| good	0.2 \| good
2025-12-12T01:00:00.000Z	33 \| good	6 \| good	27 \| good	23.395 \| good	2.314 \| good	7.977 \| good	0.2 \| good
2025-12-12T02:00:00.000Z	33 \| good	6 \| good	27 \| good	29.869 \| good	7.447 \| good	7.361 \| good	0.341 \| good
2025-12-12T03:00:00.000Z	38 \| good	6.913 \| good	30.569 \| good	24.873 \| good	0.903 \| good	9.779 \| good	0.214 \| good
2025-12-12T04:00:00.000Z	49 \| good	9 \| good	41 \| good	23.706 \| good	6.366 \| good	9.636 \| good	0.445 \| good
2025-12-12T05:00:00.000Z	56 \| moderate	11.9 \| good	54 \| good	15.458 \| good	6.094 \| good	8.894 \| good	0.281 \| good
2025-12-12T06:00:00.000Z	56 \| moderate	11.9 \| good	54 \| good	17.88 \| good	4.965 \| good	8.055 \| good	0.222 \| good
2025-12-12T07:00:00.000Z	58 \| moderate	13.1 \| fine	59 \| fine	9.439 \| good	6.603 \| good	8.538 \| good	0.243 \| good
2025-12-12T08:00:00.000Z	58 \| moderate	12.9 \| fine	59 \| fine	12.759 \| good	8.282 \| good	7.191 \| good	0.222 \| good
2025-12-12T09:00:00.000Z	66 \| moderate	16.7 \| fine	75 \| fine	13.407 \| good	8.33 \| good	6.053 \| good	0.222 \| good
2025-12-12T10:00:00.000Z	66 \| moderate	16.7 \| fine	75 \| fine	12.665 \| good	6.395 \| good	6.461 \| good	0.179 \| good
2025-12-12T11:00:00.000Z	66 \| moderate	16.8 \| fine	75 \| fine	10.717 \| good	7.977 \| good	5.729 \| good	0.222 \| good
2025-12-12T12:00:00.000Z	62 \| moderate	15.4 \| fine	69 \| fine	11.222 \| good	6.403 \| good	5.74 \| good	0.199 \| good
2025-12-12T13:00:00.000Z	62 \| moderate	14.6 \| fine	65 \| fine	11.985 \| good	5.642 \| good	5.559 \| good	0.221 \| good
2025-12-12T14:00:00.000Z	60 \| moderate	13.8 \| fine	63 \| fine	15.941 \| good	2.179 \| good	5.559 \| good	0.223 \| good
2025-12-12T15:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	16.993 \| good	2.916 \| good	6.074 \| good	0.305 \| good
2025-12-12T16:00:00.000Z	60 \| moderate	14.1 \| fine	63 \| fine	11.82 \| good	2.468 \| good	6.646 \| good	0.365 \| good
2025-12-12T17:00:00.000Z	64 \| moderate	15.5 \| fine	69 \| fine	13.115 \| good	2.723 \| good	6.717 \| good	0.535 \| good
2025-12-12T18:00:00.000Z	64 \| moderate	15.5 \| fine	69 \| fine	13.742 \| good	3.121 \| good	7.827 \| good	0.431 \| good
2025-12-12T19:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	13.579 \| good	5.063 \| good	7.981 \| good	0.283 \| good
2025-12-12T20:00:00.000Z	58 \| moderate	12.9 \| fine	59 \| fine	18.183 \| good	4.97 \| good	14.16 \| good	0.286 \| good
2025-12-12T21:00:00.000Z	52 \| moderate	10.1 \| good	45 \| good	19.57 \| good	4.169 \| good	13.967 \| good	0.243 \| good
2025-12-12T22:00:00.000Z	52 \| moderate	10.1 \| good	45 \| good	21.614 \| good	3.524 \| good	11.222 \| good	0.222 \| good
2025-12-12T23:00:00.000Z	33 \| good	6.2 \| good	28 \| good	24.168 \| good	3.526 \| good	13.573 \| good	0.201 \| good
2025-12-13T00:00:00.000Z	33 \| good	6.2 \| good	28 \| good	30.002 \| good	2.917 \| good	12.444 \| good	0.24 \| good
2025-12-13T01:00:00.000Z	33 \| good	5.8 \| good	25 \| good	25.323 \| good	4.638 \| good	17.303 \| good	0.26 \| good
2025-12-13T02:00:00.000Z	38 \| good	6.7 \| good	30 \| good	24.03 \| good	5.641 \| good	18.083 \| good	0.321 \| good
2025-12-13T03:00:00.000Z	54 \| moderate	10.618 \| good	46.868 \| good	21.201 \| good	0.979 \| good	12.286 \| good	0.259 \| good
2025-12-13T04:00:00.000Z	52 \| moderate	10.4 \| good	46 \| good	23.919 \| good	2.895 \| good	13.5 \| good	0.325 \| good
2025-12-13T05:00:00.000Z	64 \| moderate	16 \| fine	71 \| fine	15.018 \| good	2.254 \| good	14.323 \| good	0.264 \| good
2025-12-13T06:00:00.000Z	67 \| moderate	17.5 \| fine	77 \| fine	20.497 \| good	2.785 \| good	11.663 \| good	0.305 \| good
2025-12-13T07:00:00.000Z	67 \| moderate	17.5 \| fine	77 \| fine	21.272 \| good	2.878 \| good	12.062 \| good	0.264 \| good
2025-12-13T08:00:00.000Z	71 \| moderate	20 \| fine	89 \| fine	18.958 \| good	4.557 \| good	9.451 \| good	0.284 \| good
2025-12-13T09:00:00.000Z	73 \| moderate	20.8 \| fine	91 \| fine	17.789 \| good	3.664 \| good	12.716 \| good	0.225 \| good
2025-12-13T10:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	16.875 \| good	2.87 \| good	8.184 \| good	0.181 \| good
2025-12-13T11:00:00.000Z	69 \| moderate	19 \| fine	85 \| fine	18.52 \| good	1.645 \| good	6.434 \| good	0.182 \| good
2025-12-13T12:00:00.000Z	69 \| moderate	18.5 \| fine	81 \| fine	14.91 \| good	0.782 \| good	4.449 \| good	0.203 \| good
2025-12-13T13:00:00.000Z	67 \| moderate	17.9 \| fine	79 \| fine	16.018 \| good	0.716 \| good	4.3 \| good	0.225 \| good
2025-12-13T14:00:00.000Z	71 \| moderate	19.7 \| fine	87 \| fine	18.558 \| good	0.563 \| good	8.058 \| good	0.245 \| good
2025-12-13T15:00:00.000Z	67 \| moderate	18.4 \| fine	81 \| fine	24.149 \| good	0.541 \| good	8.396 \| good	0.224 \| good
2025-12-13T16:00:00.000Z	69 \| moderate	18.7 \| fine	83 \| fine	12.91 \| good	0.363 \| good	9.176 \| good	0.225 \| good
2025-12-13T17:00:00.000Z	69 \| moderate	19.2 \| fine	85 \| fine	8.051 \| good	0.365 \| good	9.332 \| good	0.414 \| good
2025-12-13T18:00:00.000Z	66 \| moderate	17.4 \| fine	77 \| fine	21.251 \| good	0.426 \| good	7.775 \| good	0.393 \| good
2025-12-13T19:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	17.745 \| good	0.489 \| good	11.619 \| good	0.306 \| good
2025-12-13T20:00:00.000Z	58 \| moderate	13.394 \| fine	60.967 \| fine	17.745 \| good	0.49 \| good	11.618 \| good	0.306 \| good
2025-12-13T21:00:00.000Z	44 \| good	8.367 \| good	36.941 \| good	28.012 \| good	0.641 \| good	2.053 \| good	0.159 \| good
2025-12-13T22:00:00.000Z	52 \| moderate	9.742 \| good	43.488 \| good	30.929 \| good	0.666 \| good	3.473 \| good	0.173 \| good
2025-12-13T23:00:00.000Z	54 \| moderate	11.325 \| good	50.296 \| good	32.354 \| good	0.692 \| good	4.893 \| good	0.188 \| good
2025-12-14T00:00:00.000Z	58 \| moderate	13.26 \| fine	59.605 \| fine	32.374 \| good	0.718 \| good	6.313 \| good	0.202 \| good
2025-12-14T01:00:00.000Z	54 \| moderate	11.076 \| good	49.058 \| good	29.642 \| good	0.741 \| good	7.962 \| good	0.227 \| good
2025-12-14T02:00:00.000Z	60 \| moderate	14.062 \| fine	63.134 \| fine	28.195 \| good	0.763 \| good	9.612 \| good	0.252 \| good
2025-12-14T03:00:00.000Z	58 \| moderate	12.588 \| fine	56.685 \| fine	19.453 \| good	0.786 \| good	11.261 \| good	0.277 \| good
2025-12-14T04:00:00.000Z	58 \| moderate	13.087 \| fine	58.98 \| fine	18.838 \| good	0.698 \| good	10.719 \| good	0.274 \| good
2025-12-14T05:00:00.000Z	60 \| moderate	14.388 \| fine	64.372 \| fine	19.591 \| good	0.61 \| good	10.177 \| good	0.271 \| good
2025-12-14T06:00:00.000Z	60 \| moderate	13.543 \| fine	60.587 \| fine	17.929 \| good	0.522 \| good	9.636 \| good	0.268 \| good
2025-12-14T07:00:00.000Z	60 \| moderate	14.103 \| fine	62.797 \| fine	16.557 \| good	0.456 \| good	8.744 \| good	0.256 \| good
2025-12-14T08:00:00.000Z	64 \| moderate	15.541 \| fine	69.571 \| fine	11.181 \| good	0.39 \| good	7.853 \| good	0.244 \| good
2025-12-14T09:00:00.000Z	64 \| moderate	15.607 \| fine	69.726 \| fine	6.183 \| good	0.324 \| good	6.962 \| good	0.232 \| good
2025-12-14T10:00:00.000Z	64 \| moderate	16.246 \| fine	72.301 \| fine	7.891 \| good	0.303 \| good	6.267 \| good	0.219 \| good
2025-12-14T11:00:00.000Z	60 \| moderate	13.946 \| fine	62.083 \| fine	4.883 \| good	0.281 \| good	5.572 \| good	0.206 \| good
2025-12-14T12:00:00.000Z	58 \| moderate	13.222 \| fine	59.59 \| fine	7.325 \| good	0.26 \| good	4.877 \| good	0.193 \| good
2025-12-14T13:00:00.000Z	52 \| moderate	10.055 \| good	44.782 \| good	8.738 \| good	0.282 \| good	5.207 \| good	0.193 \| good
2025-12-14T14:00:00.000Z	56 \| moderate	11.898 \| good	53.117 \| good	12.239 \| good	0.304 \| good	5.538 \| good	0.194 \| good
2025-12-14T15:00:00.000Z	62 \| moderate	15.071 \| fine	67.114 \| fine	15.135 \| good	0.327 \| good	5.868 \| good	0.194 \| good
2025-12-14T16:00:00.000Z	60 \| moderate	13.598 \| fine	60.856 \| fine	13.312 \| good	0.333 \| good	5.11 \| good	0.201 \| good
2025-12-14T17:00:00.000Z	54 \| moderate	10.589 \| good	47.203 \| good	15.51 \| good	0.34 \| good	4.353 \| good	0.209 \| good
2025-12-14T18:00:00.000Z	60 \| moderate	14.49 \| fine	64.739 \| fine	18.735 \| good	0.347 \| good	3.595 \| good	0.216 \| good
2025-12-14T19:00:00.000Z	58 \| moderate	12.982 \| fine	58.022 \| fine	22.89 \| good	0.392 \| good	3.153 \| good	0.195 \| good
2025-12-14T20:00:00.000Z	56 \| moderate	12.201 \| fine	54.417 \| good	27.583 \| good	0.437 \| good	2.711 \| good	0.174 \| good
2025-12-14T21:00:00.000Z	49 \| good	9.297 \| good	40.7 \| good	29.318 \| good	0.482 \| good	2.269 \| good	0.154 \| good
2025-12-14T22:00:00.000Z	56 \| moderate	11.543 \| good	51.614 \| good	32.008 \| good	0.519 \| good	3.917 \| good	0.17 \| good
2025-12-14T23:00:00.000Z	60 \| moderate	14.138 \| fine	63.785 \| fine	32.881 \| good	0.557 \| good	5.564 \| good	0.187 \| good
2025-12-15T00:00:00.000Z	64 \| moderate	16.138 \| fine	71.968 \| fine	33.17 \| good	0.595 \| good	7.211 \| good	0.203 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	15.259 \| fine	67.96 \| fine	29.425 \| good	0.624 \| good	8.653 \| good	0.226 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	16.158 \| fine	72.142 \| fine	28.032 \| good	0.653 \| good	10.096 \| good	0.248 \| good
2025-12-15T03:00:00.000Z	60 \| moderate	14.28 \| fine	64.113 \| fine	24.415 \| good	0.683 \| good	11.538 \| good	0.271 \| good
2025-12-15T04:00:00.000Z	64 \| moderate	16.237 \| fine	72.167 \| fine	22.027 \| good	0.623 \| good	10.984 \| good	0.267 \| good
2025-12-15T05:00:00.000Z	66 \| moderate	16.504 \| fine	73.352 \| fine	20.397 \| good	0.564 \| good	10.43 \| good	0.263 \| good
2025-12-15T06:00:00.000Z	64 \| moderate	15.709 \| fine	69.824 \| fine	18.116 \| good	0.504 \| good	9.876 \| good	0.258 \| good
2025-12-15T07:00:00.000Z	64 \| moderate	15.944 \| fine	70.97 \| fine	19.285 \| good	0.439 \| good	8.989 \| good	0.248 \| good
2025-12-15T08:00:00.000Z	67 \| moderate	18.053 \| fine	80.203 \| fine	16.92 \| good	0.375 \| good	8.102 \| good	0.237 \| good
2025-12-15T09:00:00.000Z	64 \| moderate	16.25 \| fine	71.977 \| fine	12.884 \| good	0.31 \| good	7.215 \| good	0.226 \| good
2025-12-15T10:00:00.000Z	64 \| moderate	16.439 \| fine	73.406 \| fine	9.108 \| good	0.289 \| good	6.49 \| good	0.214 \| good
2025-12-15T11:00:00.000Z	66 \| moderate	16.778 \| fine	74.327 \| fine	7.533 \| good	0.268 \| good	5.765 \| good	0.203 \| good
2025-12-15T12:00:00.000Z	66 \| moderate	16.597 \| fine	74.099 \| fine	12.266 \| good	0.247 \| good	5.04 \| good	0.192 \| good
2025-12-15T13:00:00.000Z	62 \| moderate	14.858 \| fine	66.429 \| fine	10.607 \| good	0.262 \| good	5.301 \| good	0.194 \| good
2025-12-15T14:00:00.000Z	64 \| moderate	15.966 \| fine	71.063 \| fine	12.562 \| good	0.278 \| good	5.562 \| good	0.196 \| good
2025-12-15T15:00:00.000Z	71 \| moderate	19.788 \| fine	86.826 \| fine	16.192 \| good	0.294 \| good	5.823 \| good	0.198 \| good
2025-12-15T16:00:00.000Z	69 \| moderate	18.561 \| fine	81.982 \| fine	17.608 \| good	0.298 \| good	5.957 \| good	0.211 \| good
2025-12-15T17:00:00.000Z	64 \| moderate	15.64 \| fine	69.398 \| fine	17.354 \| good	0.303 \| good	6.092 \| good	0.225 \| good
2025-12-15T18:00:00.000Z	67 \| moderate	17.564 \| fine	77.693 \| fine	18.004 \| good	0.307 \| good	6.226 \| good	0.238 \| good
2025-12-15T19:00:00.000Z	67 \| moderate	17.748 \| fine	78.502 \| fine	18.497 \| good	0.321 \| good	5.652 \| good	0.228 \| good
2025-12-15T20:00:00.000Z	66 \| moderate	17.084 \| fine	75.979 \| fine	19.407 \| good	0.335 \| good	5.077 \| good	0.217 \| good

Ontario

Empower business decisions with accurate air quality data

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

0.34ppm

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 10:00:00 on 2025-12-13.

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

The best air quality in Ontario, Oregon was recorded at 01:00:00 on 2025-12-13.

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

The real-time air quality index in Ontario, Oregon is 58, currently categorized as Moderate.

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 13.394 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 60.967 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.306 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 0.49 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 17.745 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 11.618 ppb.

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