What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 100.959 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 1.033 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 41.307 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 3.989 ppb.

Real-time air quality index in Ontario, Oregon today

Name: Live air pollution levels in Ontario, Oregon today
Creator: Ambee

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)

23.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

100.96 μg/m³

155

255

425

605+

Ozone (O₃)

41.31 ppb

201

201+

Sulfur Dioxide (SO₂)

1.03 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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
2025-09-03T23:00:00.000Z	54 \| moderate	11 \| good	49 \| good	50.712 \| good	0.985 \| good	4.78 \| good	0.117 \| good
2025-09-04T00:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	51.824 \| good	0.837 \| good	4.339 \| good	0.183 \| good
2025-09-04T01:00:00.000Z	54 \| moderate	11.1 \| good	49 \| good	56.429 \| fine	0.942 \| good	4.214 \| good	0.125 \| good
2025-09-04T02:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	53.304 \| good	0.565 \| good	4.563 \| good	0.142 \| good
2025-09-04T03:00:00.000Z	56 \| moderate	11.6 \| good	51 \| good	48.171 \| good	1.101 \| good	10.397 \| good	0.209 \| good
2025-09-04T04:00:00.000Z	56 \| moderate	11.8 \| good	52 \| good	42.089 \| good	1.117 \| good	10.081 \| good	0.199 \| good
2025-09-04T05:00:00.000Z	56 \| moderate	12.4 \| fine	57 \| fine	37.912 \| good	0.555 \| good	10.049 \| good	0.257 \| good
2025-09-04T06:00:00.000Z	56 \| moderate	12.4 \| fine	57 \| fine	28.668 \| good	0.657 \| good	10.399 \| good	0.19 \| good
2025-09-04T07:00:00.000Z	58 \| moderate	12.6 \| fine	57 \| fine	28.052 \| good	0.531 \| good	10.952 \| good	0.257 \| good
2025-09-04T08:00:00.000Z	58 \| moderate	12.9 \| fine	59 \| fine	21.186 \| good	0.573 \| good	12.627 \| good	0.248 \| good
2025-09-04T09:00:00.000Z	60 \| moderate	13.5 \| fine	61 \| fine	18.129 \| good	0.563 \| good	14.337 \| good	0.233 \| good
2025-09-04T10:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	17.925 \| good	0.573 \| good	17.002 \| good	0.233 \| good
2025-09-04T11:00:00.000Z	60 \| moderate	14.1 \| fine	63 \| fine	12.524 \| good	0.7 \| good	15.566 \| good	0.241 \| good
2025-09-04T12:00:00.000Z	60 \| moderate	14.1 \| fine	63 \| fine	13.177 \| good	0.742 \| good	13.683 \| good	0.25 \| good
2025-09-04T13:00:00.000Z	58 \| moderate	13.194 \| fine	59.115 \| fine	18.89 \| good	0.17 \| good	5.186 \| good	0.195 \| good
2025-09-04T14:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	27.703 \| good	0.564 \| good	11.296 \| good	0.174 \| good
2025-09-04T15:00:00.000Z	60 \| moderate	13.7 \| fine	61 \| fine	20.19 \| good	0.689 \| good	14.673 \| good	0.166 \| good
2025-09-04T16:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	27.923 \| good	0.702 \| good	12.364 \| good	0.166 \| good
2025-09-04T17:00:00.000Z	60 \| moderate	13.7 \| fine	61 \| fine	29.307 \| good	2.807 \| good	11.596 \| good	0.316 \| good
2025-09-04T18:00:00.000Z	60 \| moderate	13.7 \| fine	61 \| fine	30.257 \| good	2.068 \| good	10.54 \| good	0.306 \| good
2025-09-04T19:00:00.000Z	60 \| moderate	14.3 \| fine	65 \| fine	36.02 \| good	3.391 \| good	7.457 \| good	0.191 \| good
2025-09-04T20:00:00.000Z	60 \| moderate	14.2 \| fine	63 \| fine	40.09 \| good	2.993 \| good	4.115 \| good	0.199 \| good
2025-09-04T21:00:00.000Z	62 \| moderate	15.1 \| fine	67 \| fine	45.236 \| good	2.203 \| good	3.826 \| good	0.125 \| good
2025-09-04T22:00:00.000Z	67 \| moderate	18.1 \| fine	81 \| fine	50.569 \| good	2.253 \| good	3.352 \| good	0.125 \| good
2025-09-04T23:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	49.516 \| good	2.285 \| good	3.725 \| good	0.2 \| good
2025-09-05T00:00:00.000Z	75 \| moderate	21.9 \| fine	97 \| fine	50.517 \| good	2.209 \| good	3.07 \| good	0.183 \| good
2025-09-05T01:00:00.000Z	79 \| moderate	23.9 \| fine	105 \| fine	51.612 \| good	1.668 \| good	3.767 \| good	0.183 \| good
2025-09-05T02:00:00.000Z	84 \| moderate	26.9 \| fine	117 \| fine	50.633 \| good	1.047 \| good	4.865 \| good	0.183 \| good
2025-09-05T03:00:00.000Z	94 \| moderate	32.1 \| fine	139 \| fine	42.171 \| good	1.692 \| good	7.145 \| good	0.25 \| good
2025-09-05T04:00:00.000Z	102 \| sensitive	35.5 \| moderate	155 \| moderate	35.42 \| good	1.408 \| good	6.616 \| good	0.266 \| good
2025-09-05T05:00:00.000Z	105 \| sensitive	36.6 \| moderate	161 \| moderate	34.236 \| good	0.971 \| good	9.707 \| good	0.341 \| good
2025-09-05T06:00:00.000Z	102 \| sensitive	35.9 \| moderate	157 \| moderate	28.987 \| good	0.622 \| good	16.74 \| good	0.457 \| good
2025-09-05T07:00:00.000Z	96 \| moderate	32.8 \| fine	143 \| fine	27.353 \| good	0.627 \| good	14.487 \| good	0.316 \| good
2025-09-05T08:00:00.000Z	96 \| moderate	32.8 \| fine	143 \| fine	19.711 \| good	0.487 \| good	12.202 \| good	0.307 \| good
2025-09-05T09:00:00.000Z	92 \| moderate	31 \| fine	135 \| fine	20.151 \| good	0.467 \| good	10.344 \| good	0.233 \| good
2025-09-05T10:00:00.000Z	88 \| moderate	29.1 \| fine	127 \| fine	20.717 \| good	0.396 \| good	7.931 \| good	0.233 \| good
2025-09-05T11:00:00.000Z	84 \| moderate	27.3 \| fine	119 \| fine	21.365 \| good	0.414 \| good	8.494 \| good	0.166 \| good
2025-09-05T12:00:00.000Z	82 \| moderate	25.9 \| fine	113 \| fine	22.577 \| good	0.376 \| good	7.873 \| good	0.233 \| good
2025-09-05T13:00:00.000Z	82 \| moderate	25.9 \| fine	113 \| fine	25.075 \| good	0.395 \| good	11.868 \| good	0.241 \| good
2025-09-05T14:00:00.000Z	84 \| moderate	26.6 \| fine	115 \| fine	22.346 \| good	0.403 \| good	14.623 \| good	0.241 \| good
2025-09-05T15:00:00.000Z	86 \| moderate	28.3 \| fine	123 \| fine	18.6 \| good	0.521 \| good	19.632 \| good	0.322 \| good
2025-09-05T16:00:00.000Z	88 \| moderate	28.6 \| fine	125 \| fine	21.95 \| good	0.491 \| good	15.349 \| good	0.257 \| good
2025-09-05T17:00:00.000Z	79 \| moderate	24.3 \| fine	107 \| fine	26.762 \| good	0.916 \| good	11.994 \| good	0.183 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	23.1 \| fine	101 \| fine	30.079 \| good	0.81 \| good	9.922 \| good	0.183 \| good
2025-09-05T19:00:00.000Z	73 \| moderate	21.3 \| fine	93 \| fine	30.347 \| good	0.794 \| good	6.365 \| good	0.183 \| good
2025-09-05T20:00:00.000Z	75 \| moderate	21.7 \| fine	95 \| fine	38.943 \| good	2.111 \| good	4.886 \| good	0.19 \| good
2025-09-05T21:00:00.000Z	77 \| moderate	23.1 \| fine	101 \| fine	41.304 \| good	1.033 \| good	3.989 \| good	0.19 \| good
2025-09-05T22:00:00.000Z	77 \| moderate	23.096 \| fine	100.959 \| fine	41.307 \| good	1.033 \| good	3.989 \| good	0.19 \| good
2025-09-05T23:00:00.000Z	84 \| moderate	26.475 \| fine	115.259 \| fine	64.568 \| fine	0.217 \| good	0.592 \| good	0.204 \| good
2025-09-06T00:00:00.000Z	84 \| moderate	19.863 \| fine	87.324 \| fine	65.298 \| fine	0.198 \| good	0.573 \| good	0.197 \| good
2025-09-06T01:00:00.000Z	73 \| moderate	20.627 \| fine	90.536 \| fine	61.023 \| fine	0.213 \| good	1.976 \| good	0.212 \| good
2025-09-06T02:00:00.000Z	77 \| moderate	22.672 \| fine	99.244 \| fine	51.866 \| good	0.229 \| good	3.379 \| good	0.227 \| good
2025-09-06T03:00:00.000Z	82 \| moderate	26.297 \| fine	114.422 \| fine	42.312 \| good	0.245 \| good	4.781 \| good	0.242 \| good
2025-09-06T04:00:00.000Z	82 \| moderate	25.646 \| fine	111.98 \| fine	37.336 \| good	0.282 \| good	5.541 \| good	0.253 \| good
2025-09-06T05:00:00.000Z	84 \| moderate	27.036 \| fine	117.578 \| fine	35.33 \| good	0.319 \| good	6.301 \| good	0.264 \| good
2025-09-06T06:00:00.000Z	86 \| moderate	27.967 \| fine	121.715 \| fine	30.091 \| good	0.357 \| good	7.061 \| good	0.275 \| good
2025-09-06T07:00:00.000Z	84 \| moderate	26.983 \| fine	117.578 \| fine	24.666 \| good	0.318 \| good	6.191 \| good	0.259 \| good
2025-09-06T08:00:00.000Z	84 \| moderate	26.675 \| fine	116.151 \| fine	23.042 \| good	0.28 \| good	5.32 \| good	0.243 \| good
2025-09-06T09:00:00.000Z	84 \| moderate	26.574 \| fine	115.576 \| fine	20.937 \| good	0.241 \| good	4.45 \| good	0.227 \| good
2025-09-06T10:00:00.000Z	82 \| moderate	25.728 \| fine	112.188 \| fine	21.981 \| good	0.233 \| good	4.336 \| good	0.219 \| good
2025-09-06T11:00:00.000Z	82 \| moderate	26.358 \| fine	114.675 \| fine	23.69 \| good	0.225 \| good	4.222 \| good	0.211 \| good
2025-09-06T12:00:00.000Z	81 \| moderate	25.223 \| fine	110.056 \| fine	24.712 \| good	0.217 \| good	4.108 \| good	0.203 \| good
2025-09-06T13:00:00.000Z	77 \| moderate	23.363 \| fine	102.215 \| fine	19.521 \| good	0.201 \| good	3.87 \| good	0.194 \| good
2025-09-06T14:00:00.000Z	77 \| moderate	22.696 \| fine	99.632 \| fine	19.152 \| good	0.185 \| good	3.633 \| good	0.185 \| good
2025-09-06T15:00:00.000Z	75 \| moderate	22.305 \| fine	97.968 \| fine	19.593 \| good	0.169 \| good	3.396 \| good	0.176 \| good
2025-09-06T16:00:00.000Z	69 \| moderate	19.403 \| fine	85.621 \| fine	25.821 \| good	0.14 \| good	2.511 \| good	0.163 \| good
2025-09-06T17:00:00.000Z	66 \| moderate	17.454 \| fine	77.649 \| fine	37.727 \| good	0.112 \| good	1.626 \| good	0.15 \| good
2025-09-06T18:00:00.000Z	66 \| moderate	16.671 \| fine	74.134 \| fine	47.707 \| good	0.084 \| good	0.741 \| good	0.138 \| good
2025-09-06T19:00:00.000Z	64 \| moderate	16.454 \| fine	73.526 \| fine	55.104 \| fine	0.082 \| good	0.613 \| good	0.139 \| good
2025-09-06T20:00:00.000Z	66 \| moderate	17.034 \| fine	75.867 \| fine	57.421 \| fine	0.08 \| good	0.485 \| good	0.141 \| good
2025-09-06T21:00:00.000Z	66 \| moderate	16.668 \| fine	74.319 \| fine	57.592 \| fine	0.078 \| good	0.357 \| good	0.143 \| good
2025-09-06T22:00:00.000Z	66 \| moderate	17.218 \| fine	76.514 \| fine	59.369 \| fine	0.077 \| good	0.378 \| good	0.139 \| good
2025-09-06T23:00:00.000Z	67 \| moderate	17.704 \| fine	78.588 \| fine	57.22 \| fine	0.076 \| good	0.399 \| good	0.136 \| good
2025-09-07T00:00:00.000Z	60 \| moderate	13.537 \| fine	60.801 \| fine	56.832 \| fine	0.076 \| good	0.419 \| good	0.133 \| good
2025-09-07T01:00:00.000Z	60 \| moderate	13.597 \| fine	61.092 \| fine	49.172 \| good	0.087 \| good	1.428 \| good	0.142 \| good
2025-09-07T02:00:00.000Z	56 \| moderate	12.335 \| fine	55.265 \| fine	37.606 \| good	0.098 \| good	2.437 \| good	0.152 \| good
2025-09-07T03:00:00.000Z	54 \| moderate	11.193 \| good	49.415 \| good	31.358 \| good	0.109 \| good	3.446 \| good	0.161 \| good
2025-09-07T04:00:00.000Z	56 \| moderate	11.928 \| good	53.205 \| good	33.301 \| good	0.138 \| good	4.597 \| good	0.174 \| good
2025-09-07T05:00:00.000Z	58 \| moderate	12.84 \| fine	57.943 \| fine	31.176 \| good	0.166 \| good	5.749 \| good	0.187 \| good
2025-09-07T06:00:00.000Z	58 \| moderate	13.364 \| fine	59.985 \| fine	23.009 \| good	0.194 \| good	6.9 \| good	0.2 \| good
2025-09-07T07:00:00.000Z	62 \| moderate	14.791 \| fine	66.534 \| fine	21.321 \| good	0.184 \| good	6.938 \| good	0.203 \| good
2025-09-07T08:00:00.000Z	64 \| moderate	16.02 \| fine	71.141 \| fine	18.861 \| good	0.174 \| good	6.975 \| good	0.205 \| good
2025-09-07T09:00:00.000Z	64 \| moderate	15.921 \| fine	70.972 \| fine	17.711 \| good	0.164 \| good	7.013 \| good	0.208 \| good
2025-09-07T10:00:00.000Z	66 \| moderate	16.634 \| fine	73.959 \| fine	16.186 \| good	0.16 \| good	6.887 \| good	0.207 \| good
2025-09-07T11:00:00.000Z	67 \| moderate	18.482 \| fine	81.959 \| fine	15.991 \| good	0.155 \| good	6.761 \| good	0.205 \| good
2025-09-07T12:00:00.000Z	73 \| moderate	20.567 \| fine	90.41 \| fine	21.071 \| good	0.151 \| good	6.635 \| good	0.204 \| good
2025-09-07T13:00:00.000Z	73 \| moderate	20.647 \| fine	90.713 \| fine	18.874 \| good	0.147 \| good	6.031 \| good	0.208 \| good
2025-09-07T14:00:00.000Z	69 \| moderate	19.014 \| fine	84.192 \| fine	22.65 \| good	0.142 \| good	5.427 \| good	0.211 \| good
2025-09-07T15:00:00.000Z	69 \| moderate	18.791 \| fine	82.86 \| fine	24.664 \| good	0.138 \| good	4.823 \| good	0.215 \| good
2025-09-07T16:00:00.000Z	64 \| moderate	15.546 \| fine	69.569 \| fine	30.28 \| good	0.146 \| good	3.45 \| good	0.19 \| good
2025-09-07T17:00:00.000Z	58 \| moderate	12.542 \| fine	56.103 \| fine	40.371 \| good	0.155 \| good	2.078 \| good	0.165 \| good
2025-09-07T18:00:00.000Z	54 \| moderate	10.935 \| good	48.308 \| good	47.841 \| good	0.163 \| good	0.705 \| good	0.14 \| good
2025-09-07T19:00:00.000Z	44 \| good	8.419 \| good	37.076 \| good	48.123 \| good	0.175 \| good	0.599 \| good	0.136 \| good
2025-09-07T20:00:00.000Z	49 \| good	9.066 \| good	40.616 \| good	47.823 \| good	0.187 \| good	0.492 \| good	0.131 \| good
2025-09-07T21:00:00.000Z	52 \| moderate	10.044 \| good	44.762 \| good	47.816 \| good	0.198 \| good	0.386 \| good	0.127 \| good
2025-09-07T22:00:00.000Z	54 \| moderate	10.907 \| good	48.352 \| good	51.363 \| good	0.187 \| good	0.396 \| good	0.125 \| 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 2025-09-05.

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

The best air quality in Ontario, Oregon was recorded at 10:00:00 on 2025-09-04.

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

The real-time air quality index in Ontario, Oregon is 77, 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 23.096 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 100.959 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.19 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 1.033 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 41.307 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 3.989 ppb.

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