What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 148.899 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 2.563 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 43.24 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 2.979 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 34.481 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)

34.48 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

148.90 μg/m³

155

255

425

605+

Ozone (O₃)

43.24 ppb

201

201+

Sulfur Dioxide (SO₂)

2.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-07-21T22:00:00.000Z	151 \| unhealthy	56.1 \| poor	255 \| poor	50.81 \| good	2.405 \| good	5.192 \| good	0.26 \| good
2026-07-21T23:00:00.000Z	151 \| unhealthy	56.1 \| poor	255 \| poor	56.777 \| fine	2.298 \| good	3.192 \| good	0.28 \| good
2026-07-22T00:00:00.000Z	144 \| sensitive	52.8 \| moderate	241 \| moderate	53.795 \| good	2.12 \| good	2.123 \| good	0.28 \| good
2026-07-22T01:00:00.000Z	133 \| sensitive	48.4 \| moderate	219 \| moderate	51.869 \| good	1.653 \| good	1.755 \| good	0.28 \| good
2026-07-22T02:00:00.000Z	129 \| sensitive	46.9 \| moderate	211 \| moderate	55.136 \| fine	2.979 \| good	3.545 \| good	0.28 \| good
2026-07-22T03:00:00.000Z	129 \| sensitive	46.5 \| moderate	209 \| moderate	56.727 \| fine	3.774 \| good	5.13 \| good	0.26 \| good
2026-07-22T04:00:00.000Z	127 \| sensitive	45.6 \| moderate	205 \| moderate	46.329 \| good	5.839 \| good	4.388 \| good	0.3 \| good
2026-07-22T05:00:00.000Z	107 \| sensitive	38.1 \| moderate	167 \| moderate	45.049 \| good	3.924 \| good	4.86 \| good	0.3 \| good
2026-07-22T06:00:00.000Z	97 \| moderate	33.8 \| fine	147 \| fine	40.783 \| good	1.317 \| good	4.728 \| good	0.22 \| good
2026-07-22T07:00:00.000Z	94 \| moderate	31.7 \| fine	137 \| fine	36.679 \| good	1.115 \| good	4.044 \| good	0.22 \| good
2026-07-22T08:00:00.000Z	92 \| moderate	31.1 \| fine	135 \| fine	31.199 \| good	1.008 \| good	3.865 \| good	0.22 \| good
2026-07-22T09:00:00.000Z	94 \| moderate	32 \| fine	139 \| fine	26.049 \| good	1.012 \| good	3.933 \| good	0.22 \| good
2026-07-22T10:00:00.000Z	124 \| sensitive	44.6 \| moderate	199 \| moderate	20.055 \| good	2.338 \| good	2.863 \| good	0.201 \| good
2026-07-22T11:00:00.000Z	142 \| sensitive	51.7 \| moderate	235 \| moderate	22.777 \| good	7.04 \| good	2.312 \| good	0.24 \| good
2026-07-22T12:00:00.000Z	150 \| sensitive	55.2 \| moderate	254 \| moderate	20.894 \| good	5.909 \| good	1.987 \| good	0.201 \| good
2026-07-22T13:00:00.000Z	153 \| unhealthy	58.1 \| poor	257 \| poor	27.809 \| good	4.967 \| good	2.242 \| good	0.201 \| good
2026-07-22T14:00:00.000Z	154 \| unhealthy	59.9 \| poor	259 \| poor	21.514 \| good	2.251 \| good	3.238 \| good	0.22 \| good
2026-07-22T15:00:00.000Z	153 \| unhealthy	58.8 \| poor	259 \| poor	23.534 \| good	1.529 \| good	5.716 \| good	0.241 \| good
2026-07-22T16:00:00.000Z	147 \| sensitive	54.3 \| moderate	247 \| moderate	30.001 \| good	2.17 \| good	5.298 \| good	0.241 \| good
2026-07-22T17:00:00.000Z	144 \| sensitive	52.5 \| moderate	239 \| moderate	27.678 \| good	2.635 \| good	7.836 \| good	3.191 \| good
2026-07-22T18:00:00.000Z	147 \| sensitive	54.1 \| moderate	247 \| moderate	29.953 \| good	2.725 \| good	6.627 \| good	3.211 \| good
2026-07-22T19:00:00.000Z	142 \| sensitive	51.7 \| moderate	235 \| moderate	37.816 \| good	2.451 \| good	6.074 \| good	0.218 \| good
2026-07-22T20:00:00.000Z	149 \| sensitive	54.7 \| moderate	249 \| moderate	45.515 \| good	5.321 \| good	4.524 \| good	0.221 \| good
2026-07-22T21:00:00.000Z	149 \| sensitive	54.7 \| moderate	249 \| moderate	45.241 \| good	2.498 \| good	4.4 \| good	0.24 \| good
2026-07-22T22:00:00.000Z	149 \| sensitive	54.7 \| moderate	249 \| moderate	54.25 \| good	1.651 \| good	2.377 \| good	0.26 \| good
2026-07-22T23:00:00.000Z	147 \| sensitive	53.8 \| moderate	245 \| moderate	59.898 \| fine	3.166 \| good	1.526 \| good	0.26 \| good
2026-07-23T00:00:00.000Z	100 \| moderate	35.2 \| fine	154 \| fine	52.519 \| good	1.387 \| good	1.2 \| good	0.24 \| good
2026-07-23T01:00:00.000Z	88 \| moderate	28.7 \| fine	125 \| fine	56.845 \| fine	1.852 \| good	2.191 \| good	0.24 \| good
2026-07-23T02:00:00.000Z	84 \| moderate	27.4 \| fine	119 \| fine	51.606 \| good	1.643 \| good	2.345 \| good	0.201 \| good
2026-07-23T03:00:00.000Z	97 \| moderate	34.086 \| fine	147.491 \| fine	42.796 \| good	0.173 \| good	1.201 \| good	0.157 \| good
2026-07-23T04:00:00.000Z	84 \| moderate	26.5 \| fine	115 \| fine	47.819 \| good	3.186 \| good	4.556 \| good	0.201 \| good
2026-07-23T05:00:00.000Z	86 \| moderate	27.5 \| fine	119 \| fine	45.027 \| good	2.132 \| good	4.152 \| good	0.202 \| good
2026-07-23T06:00:00.000Z	88 \| moderate	28.7 \| fine	125 \| fine	39.778 \| good	3.3 \| good	4.539 \| good	0.202 \| good
2026-07-23T07:00:00.000Z	88 \| moderate	28.7 \| fine	125 \| fine	36.269 \| good	4.287 \| good	6.739 \| good	0.202 \| good
2026-07-23T08:00:00.000Z	88 \| moderate	29 \| fine	127 \| fine	32.052 \| good	2.553 \| good	3.427 \| good	0.202 \| good
2026-07-23T09:00:00.000Z	90 \| moderate	29.8 \| fine	129 \| fine	25.748 \| good	3.565 \| good	2.601 \| good	0.181 \| good
2026-07-23T10:00:00.000Z	90 \| moderate	30.4 \| fine	131 \| fine	26.668 \| good	1.839 \| good	3.728 \| good	0.202 \| good
2026-07-23T11:00:00.000Z	90 \| moderate	30.3 \| fine	131 \| fine	22.185 \| good	1.701 \| good	4.187 \| good	0.202 \| good
2026-07-23T12:00:00.000Z	90 \| moderate	30.1 \| fine	131 \| fine	23.636 \| good	2.553 \| good	3.32 \| good	0.202 \| good
2026-07-23T13:00:00.000Z	92 \| moderate	30.5 \| fine	133 \| fine	18.818 \| good	3.925 \| good	5.803 \| good	0.202 \| good
2026-07-23T14:00:00.000Z	92 \| moderate	30.9 \| fine	135 \| fine	16.767 \| good	1.507 \| good	8.513 \| good	0.221 \| good
2026-07-23T15:00:00.000Z	92 \| moderate	30.9 \| fine	135 \| fine	21.515 \| good	1.612 \| good	8.78 \| good	0.219 \| good
2026-07-23T16:00:00.000Z	92 \| moderate	31.3 \| fine	135 \| fine	28.901 \| good	1.786 \| good	7.351 \| good	0.221 \| good
2026-07-23T17:00:00.000Z	94 \| moderate	31.7 \| fine	137 \| fine	30.362 \| good	2.621 \| good	5.891 \| good	0.221 \| good
2026-07-23T18:00:00.000Z	94 \| moderate	32.4 \| fine	141 \| fine	36.727 \| good	3.039 \| good	5.585 \| good	0.201 \| good
2026-07-23T19:00:00.000Z	97 \| moderate	33.8 \| fine	147 \| fine	37.941 \| good	2.774 \| good	4.739 \| good	0.201 \| good
2026-07-23T20:00:00.000Z	99 \| moderate	34.5 \| fine	149 \| fine	43.239 \| good	2.564 \| good	2.98 \| good	0.201 \| good
2026-07-23T21:00:00.000Z	100 \| moderate	35.2 \| fine	154 \| fine	46.137 \| good	1.945 \| good	3.071 \| good	0.2 \| good
2026-07-23T21:00:00.000Z	98 \| moderate	34.481 \| fine	148.899 \| fine	43.24 \| good	2.563 \| good	2.979 \| good	0.201 \| good
2026-07-23T21:00:00.000Z	94 \| moderate	31.982 \| fine	138.443 \| fine	50.435 \| good	0.121 \| good	0.256 \| good	0.128 \| good
2026-07-23T22:00:00.000Z	69 \| moderate	19.415 \| fine	86.081 \| fine	47.612 \| good	0.117 \| good	0.246 \| good	0.12 \| good
2026-07-23T23:00:00.000Z	60 \| moderate	13.675 \| fine	61.201 \| fine	48.864 \| good	0.115 \| good	0.248 \| good	0.116 \| good
2026-07-24T00:00:00.000Z	64 \| moderate	15.531 \| fine	69.084 \| fine	48.426 \| good	0.113 \| good	0.273 \| good	0.113 \| good
2026-07-24T01:00:00.000Z	66 \| moderate	17.489 \| fine	77.639 \| fine	46.943 \| good	0.112 \| good	0.34 \| good	0.111 \| good
2026-07-24T02:00:00.000Z	67 \| moderate	18.403 \| fine	81.206 \| fine	42.116 \| good	0.112 \| good	0.471 \| good	0.109 \| good
2026-07-24T03:00:00.000Z	90 \| moderate	29.51 \| fine	127.528 \| fine	37.41 \| good	0.112 \| good	1.324 \| good	0.113 \| good
2026-07-24T04:00:00.000Z	82 \| moderate	25.797 \| fine	112.196 \| fine	29.711 \| good	0.131 \| good	2.75 \| good	0.124 \| good
2026-07-24T05:00:00.000Z	79 \| moderate	23.815 \| fine	104.24 \| fine	28.653 \| good	0.163 \| good	3.92 \| good	0.134 \| good
2026-07-24T06:00:00.000Z	73 \| moderate	21.324 \| fine	93.733 \| fine	27.734 \| good	0.18 \| good	4.661 \| good	0.145 \| good
2026-07-24T07:00:00.000Z	73 \| moderate	21.297 \| fine	93.871 \| fine	28.978 \| good	0.188 \| good	5.049 \| good	0.156 \| good
2026-07-24T08:00:00.000Z	84 \| moderate	27.427 \| fine	119.15 \| fine	23.015 \| good	0.198 \| good	4.948 \| good	0.168 \| good
2026-07-24T09:00:00.000Z	94 \| moderate	32.416 \| fine	140.017 \| fine	14.681 \| good	0.209 \| good	4.775 \| good	0.179 \| good
2026-07-24T10:00:00.000Z	108 \| sensitive	38.329 \| moderate	168.808 \| moderate	17.82 \| good	0.218 \| good	4.829 \| good	0.189 \| good
2026-07-24T11:00:00.000Z	117 \| sensitive	41.964 \| moderate	186.308 \| moderate	17.602 \| good	0.227 \| good	5.08 \| good	0.199 \| good
2026-07-24T12:00:00.000Z	122 \| sensitive	43.861 \| moderate	195.926 \| moderate	17.825 \| good	0.239 \| good	5.362 \| good	0.208 \| good
2026-07-24T13:00:00.000Z	115 \| sensitive	40.645 \| moderate	180.241 \| moderate	18.237 \| good	0.247 \| good	4.909 \| good	0.216 \| good
2026-07-24T14:00:00.000Z	102 \| sensitive	35.685 \| moderate	155.899 \| moderate	22.799 \| good	0.257 \| good	3.774 \| good	0.219 \| good
2026-07-24T15:00:00.000Z	94 \| moderate	31.916 \| fine	137.994 \| fine	30.972 \| good	0.29 \| good	2.42 \| good	0.221 \| good
2026-07-24T16:00:00.000Z	108 \| sensitive	38.274 \| moderate	168.574 \| moderate	40.472 \| good	0.311 \| good	1.326 \| good	0.218 \| good
2026-07-24T17:00:00.000Z	92 \| moderate	31.101 \| fine	135.308 \| fine	48.574 \| good	0.294 \| good	0.841 \| good	0.207 \| good
2026-07-24T18:00:00.000Z	94 \| moderate	32.262 \| fine	139.587 \| fine	52.404 \| good	0.25 \| good	0.58 \| good	0.184 \| good
2026-07-24T19:00:00.000Z	86 \| moderate	28.255 \| fine	122.842 \| fine	52.686 \| good	0.217 \| good	0.461 \| good	0.169 \| good
2026-07-24T20:00:00.000Z	84 \| moderate	27.11 \| fine	117.967 \| fine	55.079 \| fine	0.197 \| good	0.391 \| good	0.16 \| good
2026-07-24T21:00:00.000Z	88 \| moderate	28.714 \| fine	124.704 \| fine	54.992 \| good	0.184 \| good	0.326 \| good	0.15 \| good
2026-07-24T22:00:00.000Z	71 \| moderate	19.912 \| fine	87.965 \| fine	53.832 \| good	0.177 \| good	0.284 \| good	0.14 \| good
2026-07-24T23:00:00.000Z	66 \| moderate	16.717 \| fine	74.644 \| fine	50.374 \| good	0.173 \| good	0.273 \| good	0.135 \| good
2026-07-25T00:00:00.000Z	60 \| moderate	13.8 \| fine	62.407 \| fine	52.582 \| good	0.165 \| good	0.282 \| good	0.127 \| good
2026-07-25T01:00:00.000Z	64 \| moderate	16.065 \| fine	71.325 \| fine	49.329 \| good	0.157 \| good	0.304 \| good	0.118 \| good
2026-07-25T02:00:00.000Z	71 \| moderate	19.89 \| fine	87.738 \| fine	45.727 \| good	0.152 \| good	0.396 \| good	0.11 \| good
2026-07-25T03:00:00.000Z	84 \| moderate	27.203 \| fine	118.267 \| fine	30.823 \| good	0.151 \| good	1.578 \| good	0.113 \| good
2026-07-25T04:00:00.000Z	79 \| moderate	23.862 \| fine	104.589 \| fine	22.909 \| good	0.179 \| good	3.369 \| good	0.121 \| good
2026-07-25T05:00:00.000Z	77 \| moderate	22.618 \| fine	98.764 \| fine	23.327 \| good	0.212 \| good	4.615 \| good	0.127 \| good
2026-07-25T06:00:00.000Z	71 \| moderate	19.908 \| fine	87.507 \| fine	21.379 \| good	0.233 \| good	5.194 \| good	0.129 \| good
2026-07-25T07:00:00.000Z	71 \| moderate	20.342 \| fine	88.705 \| fine	21.224 \| good	0.241 \| good	4.499 \| good	0.121 \| good
2026-07-25T08:00:00.000Z	84 \| moderate	27.383 \| fine	119.298 \| fine	16.969 \| good	0.237 \| good	3.316 \| good	0.106 \| good
2026-07-25T09:00:00.000Z	90 \| moderate	30.087 \| fine	130.016 \| fine	11.84 \| good	0.238 \| good	2.706 \| good	0.095 \| good
2026-07-25T10:00:00.000Z	96 \| moderate	32.565 \| fine	140.88 \| fine	12.642 \| good	0.244 \| good	2.766 \| good	0.092 \| good
2026-07-25T11:00:00.000Z	92 \| moderate	30.682 \| fine	132.472 \| fine	13.049 \| good	0.253 \| good	3.078 \| good	0.092 \| good
2026-07-25T12:00:00.000Z	82 \| moderate	25.908 \| fine	113.071 \| fine	14.421 \| good	0.267 \| good	3.398 \| good	0.093 \| good
2026-07-25T13:00:00.000Z	77 \| moderate	22.529 \| fine	98.825 \| fine	13.145 \| good	0.272 \| good	3.539 \| good	0.095 \| good
2026-07-25T14:00:00.000Z	71 \| moderate	20.145 \| fine	88.756 \| fine	15.078 \| good	0.272 \| good	3.055 \| good	0.095 \| good
2026-07-25T15:00:00.000Z	69 \| moderate	19.401 \| fine	85.725 \| fine	25.121 \| good	0.28 \| good	1.748 \| good	0.089 \| good
2026-07-25T16:00:00.000Z	75 \| moderate	21.739 \| fine	95.18 \| fine	35.433 \| good	0.305 \| good	0.675 \| good	0.084 \| good
2026-07-25T17:00:00.000Z	73 \| moderate	21.348 \| fine	93.592 \| fine	42.931 \| good	0.329 \| good	0.383 \| good	0.085 \| good
2026-07-25T18:00:00.000Z	81 \| moderate	25.343 \| fine	110.518 \| fine	47.522 \| good	0.332 \| good	0.267 \| good	0.084 \| good
2026-07-25T19:00:00.000Z	71 \| moderate	20.387 \| fine	89.505 \| fine	47.54 \| good	0.321 \| good	0.22 \| good	0.083 \| good
2026-07-25T20:00:00.000Z	64 \| moderate	16.021 \| fine	71 \| fine	48.305 \| good	0.305 \| good	0.197 \| good	0.081 \| good

Ontario

Empower business decisions with accurate air quality data

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

0.18ppm

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 2026-07-22.

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

The best air quality in Ontario, Oregon was recorded at 04:00:00 on 2026-07-23.

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

The real-time air quality index in Ontario, Oregon is 98, currently categorized as Moderate.

Which pollutant is found most often in Ontario, Oregon?

The most common pollutant in Ontario, Oregon is PM10.

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 34.481 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 148.899 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.201 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 2.563 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 43.24 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 2.979 ppb.

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