What are the current PM10 levels at Ontario, Oregon?

The current PM10 levels in Ontario, Oregon are 15.997 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ontario, Oregon are 1.572 ppb.

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

The current ozone (O3) levels at Ontario, Oregon is 34.262 ppm.

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

The current nitrogen dioxide (NO2) levels at Ontario, Oregon is 3.132 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 3.501 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)

3.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.00 μg/m³

155

255

425

605+

Ozone (O₃)

34.26 ppb

201

201+

Sulfur Dioxide (SO₂)

1.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.13 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
2026-03-07T21:00:00.000Z	31 \| good	4.1 \| good	18 \| good	33.883 \| good	2.523 \| good	1.324 \| good	0.14 \| good
2026-03-07T22:00:00.000Z	33 \| good	3.9 \| good	17 \| good	35.59 \| good	2.059 \| good	1.045 \| good	0.14 \| good
2026-03-07T23:00:00.000Z	39 \| good	3.8 \| good	17 \| good	41.637 \| good	1.899 \| good	0.924 \| good	0.14 \| good
2026-03-08T00:00:00.000Z	36 \| good	3.6 \| good	16 \| good	39.436 \| good	1.624 \| good	1.164 \| good	0.159 \| good
2026-03-08T01:00:00.000Z	38 \| good	3.6 \| good	16 \| good	41.198 \| good	1.087 \| good	1.23 \| good	0.14 \| good
2026-03-08T02:00:00.000Z	34 \| good	3.5 \| good	16 \| good	36.985 \| good	1.045 \| good	1.981 \| good	0.179 \| good
2026-03-08T03:00:00.000Z	28 \| good	3.573 \| good	15.928 \| good	30.107 \| good	0.189 \| good	6.208 \| good	0.187 \| good
2026-03-08T04:00:00.000Z	28 \| good	4.4 \| good	19 \| good	29.958 \| good	0.597 \| good	5.148 \| good	0.178 \| good
2026-03-08T05:00:00.000Z	27 \| good	4.4 \| good	19 \| good	28.624 \| good	2.141 \| good	4.232 \| good	0.179 \| good
2026-03-08T06:00:00.000Z	25 \| good	4.4 \| good	19 \| good	27.055 \| good	1.154 \| good	5.943 \| good	0.201 \| good
2026-03-08T07:00:00.000Z	27 \| good	4.6 \| good	20 \| good	24.768 \| good	1.155 \| good	4.658 \| good	0.265 \| good
2026-03-08T08:00:00.000Z	44 \| good	7.8 \| good	34 \| good	14.673 \| good	0.703 \| good	4.333 \| good	0.181 \| good
2026-03-08T09:00:00.000Z	44 \| good	8.1 \| good	36 \| good	21.774 \| good	0.858 \| good	3.989 \| good	0.16 \| good
2026-03-08T10:00:00.000Z	44 \| good	8.3 \| good	37 \| good	19.659 \| good	0.642 \| good	2.805 \| good	0.161 \| good
2026-03-08T11:00:00.000Z	38 \| good	7.1 \| good	32 \| good	25.726 \| good	1.283 \| good	6.46 \| good	0.18 \| good
2026-03-08T12:00:00.000Z	38 \| good	7.3 \| good	32 \| good	22.954 \| good	0.539 \| good	6.464 \| good	0.14 \| good
2026-03-08T13:00:00.000Z	38 \| good	7.3 \| good	32 \| good	15.071 \| good	0.516 \| good	6.428 \| good	0.161 \| good
2026-03-08T14:00:00.000Z	38 \| good	7.1 \| good	32 \| good	16.994 \| good	0.622 \| good	7.559 \| good	0.162 \| good
2026-03-08T15:00:00.000Z	33 \| good	6.2 \| good	28 \| good	20.017 \| good	0.616 \| good	5.816 \| good	0.141 \| good
2026-03-08T16:00:00.000Z	33 \| good	6.2 \| good	28 \| good	17.802 \| good	0.576 \| good	9.104 \| good	0.141 \| good
2026-03-08T17:00:00.000Z	27 \| good	4.9 \| good	21 \| good	14.166 \| good	0.697 \| good	9.521 \| good	0.222 \| good
2026-03-08T18:00:00.000Z	27 \| good	4.6 \| good	20 \| good	29.189 \| good	0.907 \| good	5.235 \| good	0.16 \| good
2026-03-08T19:00:00.000Z	29 \| good	4.9 \| good	21 \| good	31.445 \| good	0.844 \| good	4.308 \| good	0.16 \| good
2026-03-08T20:00:00.000Z	31 \| good	5.4 \| good	23 \| good	32.732 \| good	0.861 \| good	3.275 \| good	0.139 \| good
2026-03-08T21:00:00.000Z	30 \| good	5.4 \| good	23 \| good	32.221 \| good	0.843 \| good	2.462 \| good	0.158 \| good
2026-03-08T22:00:00.000Z	31 \| good	5.1 \| good	22 \| good	34.487 \| good	0.74 \| good	1.776 \| good	0.159 \| good
2026-03-08T23:00:00.000Z	32 \| good	5.1 \| good	22 \| good	34.943 \| good	0.617 \| good	1.232 \| good	0.14 \| good
2026-03-09T00:00:00.000Z	34 \| good	4.9 \| good	21 \| good	37.242 \| good	0.846 \| good	1.647 \| good	0.159 \| good
2026-03-09T01:00:00.000Z	32 \| good	4.7 \| good	21 \| good	34.865 \| good	2.02 \| good	1.826 \| good	0.159 \| good
2026-03-09T02:00:00.000Z	34 \| good	4.4 \| good	19 \| good	36.503 \| good	2.608 \| good	2.862 \| good	0.179 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	9.666 \| good	42.94 \| good	26.576 \| good	0.166 \| good	5.507 \| good	0.164 \| good
2026-03-09T04:00:00.000Z	33 \| good	5.8 \| good	25 \| good	32.891 \| good	1.545 \| good	5.363 \| good	0.158 \| good
2026-03-09T05:00:00.000Z	38 \| good	7 \| good	31 \| good	34.667 \| good	1.7 \| good	5.72 \| good	0.199 \| good
2026-03-09T06:00:00.000Z	44 \| good	8.3 \| good	37 \| good	28.544 \| good	0.452 \| good	7.095 \| good	0.197 \| good
2026-03-09T07:00:00.000Z	44 \| good	8.3 \| good	37 \| good	25.442 \| good	0.434 \| good	7.033 \| good	0.197 \| good
2026-03-09T08:00:00.000Z	44 \| good	7.6 \| good	34 \| good	22.757 \| good	0.411 \| good	7.819 \| good	0.178 \| good
2026-03-09T09:00:00.000Z	44 \| good	7.6 \| good	34 \| good	25.536 \| good	0.684 \| good	7.408 \| good	0.312 \| good
2026-03-09T10:00:00.000Z	49 \| good	8.5 \| good	37 \| good	24.904 \| good	1.141 \| good	10.087 \| good	0.219 \| good
2026-03-09T11:00:00.000Z	44 \| good	8.1 \| good	36 \| good	20.61 \| good	0.846 \| good	9.125 \| good	0.26 \| good
2026-03-09T12:00:00.000Z	44 \| good	8.2 \| good	36 \| good	21.006 \| good	2.684 \| good	10.383 \| good	0.238 \| good
2026-03-09T13:00:00.000Z	44 \| good	8.2 \| good	36 \| good	23.101 \| good	2.948 \| good	13.251 \| good	0.301 \| good
2026-03-09T14:00:00.000Z	44 \| good	7.9 \| good	35 \| good	29.949 \| good	4.911 \| good	8.534 \| good	0.381 \| good
2026-03-09T15:00:00.000Z	44 \| good	7.9 \| good	35 \| good	25.26 \| good	4.244 \| good	11.908 \| good	0.383 \| good
2026-03-09T16:00:00.000Z	33 \| good	5.6 \| good	24 \| good	29.377 \| good	4.364 \| good	9.299 \| good	0.428 \| good
2026-03-09T17:00:00.000Z	33 \| good	5.6 \| good	24 \| good	29.975 \| good	4.74 \| good	5.166 \| good	0.32 \| good
2026-03-09T18:00:00.000Z	31 \| good	4 \| good	18 \| good	34.33 \| good	4.781 \| good	5.912 \| good	0.243 \| good
2026-03-09T19:00:00.000Z	34 \| good	3.7 \| good	16 \| good	36.729 \| good	2.044 \| good	6.478 \| good	0.18 \| good
2026-03-09T20:00:00.000Z	31 \| good	3.5 \| good	16 \| good	34.259 \| good	1.571 \| good	3.131 \| good	0.2 \| good
2026-03-09T20:00:00.000Z	31 \| good	3.501 \| good	15.997 \| good	34.262 \| good	1.572 \| good	3.132 \| good	0.2 \| good
2026-03-09T21:00:00.000Z	44 \| good	2.62 \| good	10.565 \| good	47.035 \| good	0.09 \| good	0.223 \| good	0.12 \| good
2026-03-09T22:00:00.000Z	45 \| good	2.984 \| good	12.171 \| good	48.691 \| good	0.084 \| good	0.243 \| good	0.12 \| good
2026-03-09T23:00:00.000Z	47 \| good	2.707 \| good	11.128 \| good	51.076 \| good	0.078 \| good	0.263 \| good	0.119 \| good
2026-03-10T00:00:00.000Z	47 \| good	2.453 \| good	10.043 \| good	50.552 \| good	0.073 \| good	0.282 \| good	0.119 \| good
2026-03-10T01:00:00.000Z	44 \| good	3.934 \| good	16.97 \| good	47.756 \| good	0.071 \| good	0.696 \| good	0.125 \| good
2026-03-10T02:00:00.000Z	38 \| good	3.825 \| good	16.707 \| good	40.727 \| good	0.069 \| good	1.11 \| good	0.131 \| good
2026-03-10T03:00:00.000Z	35 \| good	4.897 \| good	21.103 \| good	38.469 \| good	0.068 \| good	1.524 \| good	0.137 \| good
2026-03-10T04:00:00.000Z	33 \| good	6.111 \| good	27.222 \| good	32.956 \| good	0.081 \| good	1.868 \| good	0.141 \| good
2026-03-10T05:00:00.000Z	31 \| good	5.463 \| good	23.692 \| good	32.75 \| good	0.095 \| good	2.212 \| good	0.144 \| good
2026-03-10T06:00:00.000Z	30 \| good	4.293 \| good	18.592 \| good	31.589 \| good	0.108 \| good	2.557 \| good	0.148 \| good
2026-03-10T07:00:00.000Z	33 \| good	2.713 \| good	11.064 \| good	36.24 \| good	0.104 \| good	3.025 \| good	0.153 \| good
2026-03-10T08:00:00.000Z	31 \| good	2.907 \| good	12 \| good	34.222 \| good	0.1 \| good	3.494 \| good	0.157 \| good
2026-03-10T09:00:00.000Z	25 \| good	3.109 \| good	13.533 \| good	27.325 \| good	0.096 \| good	3.962 \| good	0.161 \| good
2026-03-10T10:00:00.000Z	30 \| good	1.892 \| good	8 \| good	31.879 \| good	0.088 \| good	3.731 \| good	0.159 \| good
2026-03-10T11:00:00.000Z	31 \| good	3.517 \| good	15.767 \| good	33.198 \| good	0.081 \| good	3.501 \| good	0.157 \| good
2026-03-10T12:00:00.000Z	30 \| good	4.342 \| good	18.984 \| good	31.59 \| good	0.073 \| good	3.27 \| good	0.155 \| good
2026-03-10T13:00:00.000Z	30 \| good	3.701 \| good	16.072 \| good	31.985 \| good	0.079 \| good	3.046 \| good	0.153 \| good
2026-03-10T14:00:00.000Z	27 \| good	2.936 \| good	11.95 \| good	29.093 \| good	0.085 \| good	2.821 \| good	0.151 \| good
2026-03-10T15:00:00.000Z	28 \| good	3.195 \| good	13.871 \| good	29.583 \| good	0.092 \| good	2.597 \| good	0.148 \| good
2026-03-10T16:00:00.000Z	29 \| good	1.726 \| good	7 \| good	31.373 \| good	0.106 \| good	1.856 \| good	0.141 \| good
2026-03-10T17:00:00.000Z	32 \| good	0.949 \| good	3.688 \| good	35.208 \| good	0.121 \| good	1.114 \| good	0.134 \| good
2026-03-10T18:00:00.000Z	33 \| good	0.749 \| good	2.837 \| good	35.737 \| good	0.136 \| good	0.373 \| good	0.127 \| good
2026-03-10T19:00:00.000Z	35 \| good	1.483 \| good	6 \| good	37.692 \| good	0.169 \| good	0.32 \| good	0.127 \| good
2026-03-10T20:00:00.000Z	39 \| good	1.57 \| good	6.465 \| good	41.627 \| good	0.202 \| good	0.267 \| good	0.128 \| good
2026-03-10T21:00:00.000Z	39 \| good	1.745 \| good	7.123 \| good	41.568 \| good	0.234 \| good	0.214 \| good	0.128 \| good
2026-03-10T22:00:00.000Z	43 \| good	2.068 \| good	8.422 \| good	45.54 \| good	0.215 \| good	0.252 \| good	0.128 \| good
2026-03-10T23:00:00.000Z	44 \| good	2.315 \| good	9.688 \| good	46.839 \| good	0.196 \| good	0.29 \| good	0.129 \| good
2026-03-11T00:00:00.000Z	44 \| good	3.441 \| good	15.163 \| good	46.738 \| good	0.177 \| good	0.329 \| good	0.129 \| good
2026-03-11T01:00:00.000Z	42 \| good	1.979 \| good	8 \| good	44.838 \| good	0.193 \| good	1.529 \| good	0.143 \| good
2026-03-11T02:00:00.000Z	35 \| good	1.325 \| good	5.403 \| good	37.956 \| good	0.209 \| good	2.729 \| good	0.156 \| good
2026-03-11T03:00:00.000Z	26 \| good	2.346 \| good	9.432 \| good	28.396 \| good	0.226 \| good	3.93 \| good	0.17 \| good
2026-03-11T04:00:00.000Z	22 \| good	0.827 \| good	3.227 \| good	24.199 \| good	0.255 \| good	4.68 \| good	0.178 \| good
2026-03-11T05:00:00.000Z	33 \| good	6.417 \| good	28.589 \| good	23.384 \| good	0.285 \| good	5.43 \| good	0.187 \| good
2026-03-11T06:00:00.000Z	38 \| good	7.399 \| good	10.235 \| good	29.641 \| good	0.321 \| good	6.285 \| good	0.196 \| good
2026-03-11T07:00:00.000Z	49 \| good	9.093 \| good	40.094 \| good	22.907 \| good	0.29 \| good	5.905 \| good	0.192 \| good
2026-03-11T08:00:00.000Z	33 \| good	5.846 \| good	25.249 \| good	21.45 \| good	0.266 \| good	5.63 \| good	0.189 \| good
2026-03-11T09:00:00.000Z	22 \| good	3.731 \| good	16.392 \| good	16.662 \| good	0.242 \| good	5.355 \| good	0.185 \| good
2026-03-11T10:00:00.000Z	58 \| moderate	12.636 \| fine	56.566 \| fine	16.871 \| good	0.235 \| good	4.836 \| good	0.178 \| good
2026-03-11T11:00:00.000Z	56 \| moderate	12.396 \| fine	55.917 \| fine	15.53 \| good	0.229 \| good	4.317 \| good	0.171 \| good
2026-03-11T12:00:00.000Z	27 \| good	4.767 \| good	6.56 \| good	26.571 \| good	0.225 \| good	3.812 \| good	0.164 \| good
2026-03-11T13:00:00.000Z	25 \| good	4.453 \| good	6.118 \| good	27.08 \| good	0.235 \| good	3.779 \| good	0.163 \| good
2026-03-11T14:00:00.000Z	26 \| good	4.23 \| good	5.81 \| good	27.589 \| good	0.245 \| good	3.745 \| good	0.163 \| good
2026-03-11T15:00:00.000Z	26 \| good	4.224 \| good	5.725 \| good	28.099 \| good	0.254 \| good	3.712 \| good	0.163 \| good
2026-03-11T16:00:00.000Z	31 \| good	3.781 \| good	5.015 \| good	32.634 \| good	0.256 \| good	2.985 \| good	0.157 \| good
2026-03-11T17:00:00.000Z	27 \| good	5.023 \| good	21.724 \| good	25.99 \| good	0.257 \| good	2.25 \| good	0.15 \| good
2026-03-11T18:00:00.000Z	39 \| good	3.044 \| good	4.479 \| good	41.705 \| good	0.259 \| good	1.53 \| good	0.144 \| good
2026-03-11T19:00:00.000Z	40 \| good	2.333 \| good	3.508 \| good	42.707 \| good	0.218 \| good	1.19 \| good	0.138 \| good
2026-03-11T20:00:00.000Z	41 \| good	1.861 \| good	2.798 \| good	43.708 \| good	0.178 \| good	0.85 \| good	0.133 \| 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 03:00:00 on 2026-03-09.

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

The best air quality in Ontario, Oregon was recorded at 09:00:00 on 2026-03-08.

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

The real-time air quality index in Ontario, Oregon is 31, currently categorized as Good.

Which pollutant is found most often in Ontario, Oregon?

The most common pollutant in Ontario, Oregon is O3.

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 3.501 μg/m³.

What are the current PM₁₀ levels at Ontario, Oregon?

The current PM₁₀ levels in Ontario, Oregon are 15.997 μg/m³.

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

The current carbon monoxide (CO) level in Ontario, Oregon is 0.2 ppm.

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

The current sulfur dioxide (SO₂) levels in Ontario, Oregon are 1.572 ppb.

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

The current ozone (O₃) levels at Ontario, Oregon is 34.262 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ontario, Oregon is 3.132 ppb.

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