What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 29.988 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 2.178 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 8.887 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 11.556 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 6.699 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)

7.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.98 μg/m³

155

255

425

605+

Ozone (O₃)

10.72 ppb

201

201+

Sulfur Dioxide (SO₂)

3.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.35 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2025-10-26T18:00:00.000Z	28 \| good	4.9 \| good	21 \| good	30.249 \| good	1.673 \| good	1.847 \| good	0.141 \| good
2025-10-26T19:00:00.000Z	31 \| good	4.3 \| good	19 \| good	33.472 \| good	1.077 \| good	1.907 \| good	0.141 \| good
2025-10-26T20:00:00.000Z	29 \| good	5.2 \| good	23 \| good	31.256 \| good	0.826 \| good	1.995 \| good	0.16 \| good
2025-10-26T21:00:00.000Z	29 \| good	4.3 \| good	19 \| good	31.237 \| good	0.698 \| good	1.913 \| good	0.16 \| good
2025-10-26T22:00:00.000Z	32 \| good	3.8 \| good	17 \| good	34.768 \| good	0.452 \| good	1.899 \| good	0.16 \| good
2025-10-26T23:00:00.000Z	35 \| good	3.8 \| good	17 \| good	38.242 \| good	0.429 \| good	1.526 \| good	0.16 \| good
2025-10-27T00:00:00.000Z	33 \| good	3.5 \| good	16 \| good	36.07 \| good	0.392 \| good	1.118 \| good	0.16 \| good
2025-10-27T01:00:00.000Z	32 \| good	3.5 \| good	16 \| good	35.435 \| good	0.35 \| good	2.923 \| good	0.16 \| good
2025-10-27T02:00:00.000Z	31 \| good	3.9 \| good	17 \| good	32.882 \| good	0.386 \| good	2.599 \| good	0.2 \| good
2025-10-27T03:00:00.000Z	32 \| good	3.6 \| good	16 \| good	35.312 \| good	0.368 \| good	3.602 \| good	0.221 \| good
2025-10-27T04:00:00.000Z	29 \| good	3.5 \| good	16 \| good	31.284 \| good	0.35 \| good	3.493 \| good	0.221 \| good
2025-10-27T05:00:00.000Z	29 \| good	3.5 \| good	16 \| good	30.736 \| good	0.435 \| good	4.551 \| good	0.241 \| good
2025-10-27T06:00:00.000Z	28 \| good	3.4 \| good	15 \| good	30.085 \| good	0.399 \| good	3.174 \| good	0.24 \| good
2025-10-27T07:00:00.000Z	25 \| good	3.4 \| good	15 \| good	27.487 \| good	0.417 \| good	2.887 \| good	0.221 \| good
2025-10-27T08:00:00.000Z	37 \| good	3.4 \| good	15 \| good	39.601 \| good	0.507 \| good	2.16 \| good	0.16 \| good
2025-10-27T09:00:00.000Z	30 \| good	3.4 \| good	15 \| good	32.474 \| good	0.243 \| good	6.488 \| good	0.121 \| good
2025-10-27T10:00:00.000Z	21 \| good	3.4 \| good	15 \| good	23.409 \| good	0.27 \| good	4.429 \| good	0.12 \| good
2025-10-27T11:00:00.000Z	21 \| good	3.4 \| good	15 \| good	22.998 \| good	0.392 \| good	5.106 \| good	0.141 \| good
2025-10-27T12:00:00.000Z	24 \| good	3.4 \| good	15 \| good	25.726 \| good	0.452 \| good	6.226 \| good	0.16 \| good
2025-10-27T13:00:00.000Z	20 \| good	3.4 \| good	15 \| good	22.185 \| good	0.41 \| good	9.77 \| good	0.159 \| good
2025-10-27T14:00:00.000Z	19 \| good	3.4 \| good	15 \| good	20.579 \| good	0.452 \| good	12.798 \| good	0.22 \| good
2025-10-27T15:00:00.000Z	22 \| good	3.5 \| good	16 \| good	22.964 \| good	0.416 \| good	12.263 \| good	0.2 \| good
2025-10-27T16:00:00.000Z	25 \| good	3.5 \| good	16 \| good	27.481 \| good	0.415 \| good	11.088 \| good	0.2 \| good
2025-10-27T17:00:00.000Z	28 \| good	3.5 \| good	16 \| good	29.656 \| good	0.653 \| good	9.842 \| good	0.2 \| good
2025-10-27T18:00:00.000Z	29 \| good	3.5 \| good	16 \| good	30.741 \| good	0.74 \| good	5.33 \| good	0.2 \| good
2025-10-27T19:00:00.000Z	25 \| good	3.5 \| good	16 \| good	26.685 \| good	0.552 \| good	4.522 \| good	0.16 \| good
2025-10-27T20:00:00.000Z	29 \| good	3.5 \| good	16 \| good	31.392 \| good	0.868 \| good	1.261 \| good	0.16 \| good
2025-10-27T21:00:00.000Z	29 \| good	3.4 \| good	15 \| good	31.143 \| good	1.6 \| good	1.259 \| good	0.18 \| good
2025-10-27T22:00:00.000Z	29 \| good	3.4 \| good	15 \| good	31.054 \| good	2.048 \| good	1.771 \| good	0.18 \| good
2025-10-27T23:00:00.000Z	31 \| good	3.4 \| good	15 \| good	34.274 \| good	1.359 \| good	1.936 \| good	0.16 \| good
2025-10-28T00:00:00.000Z	34 \| good	3.4 \| good	15 \| good	37.219 \| good	1.656 \| good	2.408 \| good	0.16 \| good
2025-10-28T01:00:00.000Z	32 \| good	3.4 \| good	15 \| good	34.527 \| good	0.399 \| good	3.177 \| good	0.16 \| good
2025-10-28T02:00:00.000Z	30 \| good	3.5 \| good	16 \| good	32.083 \| good	0.202 \| good	3.891 \| good	0.18 \| good
2025-10-28T03:00:00.000Z	27 \| good	4.992 \| good	21.627 \| good	25.638 \| good	0.452 \| good	6.694 \| good	0.18 \| good
2025-10-28T04:00:00.000Z	38 \| good	6.9 \| good	31 \| good	27.441 \| good	0.618 \| good	6.257 \| good	0.241 \| good
2025-10-28T05:00:00.000Z	58 \| moderate	12.5 \| fine	57 \| fine	28.705 \| good	0.509 \| good	6.088 \| good	0.26 \| good
2025-10-28T06:00:00.000Z	58 \| moderate	12.5 \| fine	57 \| fine	22.637 \| good	0.507 \| good	8.491 \| good	0.28 \| good
2025-10-28T07:00:00.000Z	56 \| moderate	12.1 \| fine	55 \| fine	23.525 \| good	0.439 \| good	10.535 \| good	0.218 \| good
2025-10-28T08:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	20.24 \| good	0.426 \| good	8.592 \| good	0.16 \| good
2025-10-28T09:00:00.000Z	56 \| moderate	12 \| good	54 \| good	13.417 \| good	1.053 \| good	9.469 \| good	0.16 \| good
2025-10-28T10:00:00.000Z	56 \| moderate	12 \| good	54 \| good	11.151 \| good	0.5 \| good	8.109 \| good	0.18 \| good
2025-10-28T11:00:00.000Z	56 \| moderate	11.6 \| good	51 \| good	13.123 \| good	0.185 \| good	8.039 \| good	0.16 \| good
2025-10-28T12:00:00.000Z	52 \| moderate	10 \| good	45 \| good	10.215 \| good	0.451 \| good	8.511 \| good	0.16 \| good
2025-10-28T13:00:00.000Z	49 \| good	9.1 \| good	41 \| good	5.38 \| good	0.447 \| good	6.876 \| good	0.24 \| good
2025-10-28T14:00:00.000Z	44 \| good	7.8 \| good	34 \| good	13.752 \| good	1.267 \| good	10.792 \| good	0.279 \| good
2025-10-28T15:00:00.000Z	44 \| good	7.8 \| good	34 \| good	13.37 \| good	0.966 \| good	12.216 \| good	0.276 \| good
2025-10-28T16:00:00.000Z	38 \| good	6.7 \| good	30 \| good	8.884 \| good	2.179 \| good	11.552 \| good	0.26 \| good
2025-10-28T17:00:00.000Z	44 \| good	7.598 \| good	33.984 \| good	10.722 \| good	3.716 \| good	11.35 \| good	0.239 \| good
2025-10-28T18:00:00.000Z	24 \| good	3.912 \| good	17.168 \| good	26.292 \| good	0.436 \| good	1.449 \| good	0.119 \| good
2025-10-28T19:00:00.000Z	29 \| good	4.15 \| good	18.148 \| good	30.801 \| good	0.483 \| good	1.304 \| good	0.116 \| good
2025-10-28T20:00:00.000Z	33 \| good	4.187 \| good	18.182 \| good	35.738 \| good	0.531 \| good	1.158 \| good	0.114 \| good
2025-10-28T21:00:00.000Z	36 \| good	4.104 \| good	17.934 \| good	38.592 \| good	0.579 \| good	1.013 \| good	0.112 \| good
2025-10-28T22:00:00.000Z	38 \| good	4.181 \| good	18.322 \| good	41.338 \| good	0.572 \| good	1.124 \| good	0.111 \| good
2025-10-28T23:00:00.000Z	39 \| good	4.613 \| good	20.106 \| good	42.167 \| good	0.565 \| good	1.236 \| good	0.111 \| good
2025-10-29T00:00:00.000Z	49 \| good	8.977 \| good	39.819 \| good	38.957 \| good	0.559 \| good	1.347 \| good	0.111 \| good
2025-10-29T01:00:00.000Z	64 \| moderate	15.521 \| fine	69.419 \| fine	33.16 \| good	0.561 \| good	2.549 \| good	0.124 \| good
2025-10-29T02:00:00.000Z	52 \| moderate	9.828 \| good	43.591 \| good	35.023 \| good	0.563 \| good	3.75 \| good	0.137 \| good
2025-10-29T03:00:00.000Z	49 \| good	8.786 \| good	38.793 \| good	24.384 \| good	0.566 \| good	4.952 \| good	0.15 \| good
2025-10-29T04:00:00.000Z	33 \| good	6.092 \| good	26.517 \| good	23.335 \| good	0.521 \| good	5.293 \| good	0.154 \| good
2025-10-29T05:00:00.000Z	33 \| good	5.771 \| good	25.152 \| good	23.854 \| good	0.476 \| good	5.634 \| good	0.158 \| good
2025-10-29T06:00:00.000Z	33 \| good	5.895 \| good	25.93 \| good	23.048 \| good	0.432 \| good	5.975 \| good	0.162 \| good
2025-10-29T07:00:00.000Z	33 \| good	6.271 \| good	27.411 \| good	24.407 \| good	0.384 \| good	6.176 \| good	0.164 \| good
2025-10-29T08:00:00.000Z	27 \| good	5.292 \| good	23.003 \| good	19.037 \| good	0.337 \| good	6.377 \| good	0.167 \| good
2025-10-29T09:00:00.000Z	27 \| good	5.347 \| good	23.261 \| good	12.256 \| good	0.289 \| good	6.577 \| good	0.169 \| good
2025-10-29T10:00:00.000Z	27 \| good	5.313 \| good	22.922 \| good	11.002 \| good	0.28 \| good	6.469 \| good	0.167 \| good
2025-10-29T11:00:00.000Z	27 \| good	4.776 \| good	20.88 \| good	13.212 \| good	0.27 \| good	6.36 \| good	0.164 \| good
2025-10-29T12:00:00.000Z	27 \| good	5.131 \| good	22.141 \| good	12.36 \| good	0.261 \| good	6.252 \| good	0.161 \| good
2025-10-29T13:00:00.000Z	33 \| good	6.109 \| good	26.871 \| good	8.397 \| good	0.272 \| good	6.472 \| good	0.167 \| good
2025-10-29T14:00:00.000Z	38 \| good	7.394 \| good	32.766 \| good	13.993 \| good	0.282 \| good	6.692 \| good	0.172 \| good
2025-10-29T15:00:00.000Z	38 \| good	7.173 \| good	31.935 \| good	15.761 \| good	0.293 \| good	6.911 \| good	0.178 \| good
2025-10-29T16:00:00.000Z	33 \| good	6.487 \| good	28.593 \| good	17.181 \| good	0.327 \| good	5.389 \| good	0.161 \| good
2025-10-29T17:00:00.000Z	33 \| good	5.978 \| good	26.149 \| good	20.034 \| good	0.361 \| good	3.866 \| good	0.145 \| good
2025-10-29T18:00:00.000Z	38 \| good	7.295 \| good	32.324 \| good	23.14 \| good	0.396 \| good	2.344 \| good	0.128 \| good
2025-10-29T19:00:00.000Z	38 \| good	7.417 \| good	32.64 \| good	27.858 \| good	0.406 \| good	2.068 \| good	0.126 \| good
2025-10-29T20:00:00.000Z	44 \| good	8.351 \| good	36.685 \| good	31.221 \| good	0.417 \| good	1.792 \| good	0.123 \| good
2025-10-29T21:00:00.000Z	49 \| good	9.337 \| good	41.613 \| good	33.357 \| good	0.427 \| good	1.516 \| good	0.12 \| good
2025-10-29T22:00:00.000Z	49 \| good	8.972 \| good	39.756 \| good	36.639 \| good	0.416 \| good	1.708 \| good	0.121 \| good
2025-10-29T23:00:00.000Z	44 \| good	8.467 \| good	37.386 \| good	40.723 \| good	0.404 \| good	1.9 \| good	0.122 \| good
2025-10-30T00:00:00.000Z	52 \| moderate	10.459 \| good	46.388 \| good	39.29 \| good	0.393 \| good	2.093 \| good	0.123 \| good
2025-10-30T01:00:00.000Z	54 \| moderate	10.994 \| good	48.938 \| good	33.869 \| good	0.42 \| good	4.194 \| good	0.146 \| good
2025-10-30T02:00:00.000Z	52 \| moderate	10.271 \| good	45.521 \| good	30.446 \| good	0.447 \| good	6.295 \| good	0.17 \| good
2025-10-30T03:00:00.000Z	49 \| good	9.022 \| good	40.038 \| good	31.807 \| good	0.474 \| good	8.395 \| good	0.194 \| good
2025-10-30T04:00:00.000Z	44 \| good	8.446 \| good	37.213 \| good	24.737 \| good	0.44 \| good	8.373 \| good	0.195 \| good
2025-10-30T05:00:00.000Z	54 \| moderate	11.186 \| good	49.513 \| good	20.22 \| good	0.407 \| good	8.35 \| good	0.197 \| good
2025-10-30T06:00:00.000Z	56 \| moderate	12.171 \| fine	54.438 \| good	17.615 \| good	0.373 \| good	8.327 \| good	0.199 \| good
2025-10-30T07:00:00.000Z	56 \| moderate	12.107 \| fine	54.178 \| good	15.713 \| good	0.317 \| good	7.897 \| good	0.198 \| good
2025-10-30T08:00:00.000Z	49 \| good	9.084 \| good	40.181 \| good	12.827 \| good	0.26 \| good	7.466 \| good	0.198 \| good
2025-10-30T09:00:00.000Z	38 \| good	6.862 \| good	30.418 \| good	10.726 \| good	0.204 \| good	7.036 \| good	0.198 \| good
2025-10-30T10:00:00.000Z	33 \| good	6.124 \| good	26.883 \| good	9.575 \| good	0.187 \| good	6.612 \| good	0.194 \| good
2025-10-30T11:00:00.000Z	33 \| good	5.642 \| good	24.181 \| good	12.353 \| good	0.169 \| good	6.187 \| good	0.191 \| good
2025-10-30T12:00:00.000Z	27 \| good	4.993 \| good	21.568 \| good	12.811 \| good	0.151 \| good	5.763 \| good	0.188 \| good
2025-10-30T13:00:00.000Z	27 \| good	5.239 \| good	23 \| good	14.191 \| good	0.159 \| good	5.918 \| good	0.195 \| good
2025-10-30T14:00:00.000Z	33 \| good	5.819 \| good	25.201 \| good	15.886 \| good	0.168 \| good	6.073 \| good	0.203 \| good
2025-10-30T15:00:00.000Z	33 \| good	6.096 \| good	27.248 \| good	13.087 \| good	0.176 \| good	6.228 \| good	0.21 \| good
2025-10-30T16:00:00.000Z	33 \| good	6.371 \| good	28.39 \| good	14.596 \| good	0.212 \| good	4.958 \| good	0.195 \| good
2025-10-30T17:00:00.000Z	33 \| good	5.599 \| good	24.251 \| good	16.559 \| good	0.249 \| good	3.688 \| good	0.18 \| good

Ontario

Empower business decisions with accurate air quality data

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

0.64ppm

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 06:00:00 on 2025-10-28.

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

The best air quality in Ontario, Oregon was recorded at 07:00:00 on 2025-10-27.

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

The real-time air quality index in Ontario, Oregon is 38, 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 6.699 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 29.988 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.26 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 2.178 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 8.887 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 11.556 ppb.

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