What is the current concentration of PM10 in Ontario, New York?

The current PM10 concentration at Ontario, New York is 12.078 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Ontario, New York?

The current sulfur dioxide (SO2) concentration at Ontario, New York is 0.466 ppb.

What is the current concentration of ozone (O3) in Ontario, New York?

The current ozone (O3) concentration at Ontario, New York is 26.832 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Ontario, New York?

The current nitrogen dioxide (NO2) concentration at Ontario, New York is 2.566 ppb.

Ontario, New York live air quality index now

Q: What is the current concentration of PM2.5 in Ontario, New York?

The current PM2.5 concentration at Ontario, New York is 1.937 μg/m3.

Stay updated with real-time air quality in Ontario, New York 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, New York

Last updated: ... (Local time)

Major air pollutants in Ontario, New York

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.08 μg/m³

155

255

425

605+

Ozone (O₃)

26.83 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.57 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Ontario, New York

Scroll To Air Quality Map

Track live Ontario, New York air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-11-11T02:00:00.000Z	30 \| good	3.518 \| good	28.476 \| good	31.868 \| good	0.255 \| good	1.818 \| good	0.441 \| good
2026-11-11T03:00:00.000Z	31 \| good	4.059 \| good	18.613 \| good	33.939 \| good	0.348 \| good	2.135 \| good	0.42 \| good
2026-11-11T04:00:00.000Z	28 \| good	2.996 \| good	12.545 \| good	29.924 \| good	0.29 \| good	1.484 \| good	0.423 \| good
2026-11-11T05:00:00.000Z	28 \| good	3.047 \| good	24.65 \| good	30.3 \| good	0.28 \| good	2.403 \| good	0.436 \| good
2026-11-11T06:00:00.000Z	24 \| good	2.978 \| good	15.157 \| good	26.322 \| good	0.186 \| good	3.774 \| good	0.414 \| good
2026-11-11T07:00:00.000Z	24 \| good	2.709 \| good	18.413 \| good	25.881 \| good	0.203 \| good	5.413 \| good	0.428 \| good
2026-11-11T08:00:00.000Z	20 \| good	2.588 \| good	20.951 \| good	22.265 \| good	0.158 \| good	4.817 \| good	0.393 \| good
2026-11-11T09:00:00.000Z	18 \| good	2.567 \| good	16.673 \| good	18.637 \| good	0.161 \| good	4.346 \| good	0.367 \| good
2026-11-11T10:00:00.000Z	18 \| good	3.1 \| good	18.044 \| good	18.786 \| good	0.317 \| good	5.042 \| good	0.386 \| good
2026-11-11T11:00:00.000Z	19 \| good	3.077 \| good	19.67 \| good	11.196 \| good	0.405 \| good	5.722 \| good	0.474 \| good
2026-11-11T12:00:00.000Z	16 \| good	2.93 \| good	17.276 \| good	17.186 \| good	0.248 \| good	8.04 \| good	0.484 \| good
2026-11-11T13:00:00.000Z	17 \| good	2.995 \| good	18.194 \| good	15.835 \| good	0.332 \| good	9.678 \| good	0.589 \| good
2026-11-11T14:00:00.000Z	27 \| good	5.023 \| good	21.918 \| good	10.943 \| good	0.473 \| good	10.286 \| good	0.653 \| good
2026-11-11T15:00:00.000Z	27 \| good	5.467 \| good	21.311 \| good	10.812 \| good	0.712 \| good	6.989 \| good	0.703 \| good
2026-11-11T16:00:00.000Z	31 \| good	4.8 \| good	32.554 \| good	10.388 \| good	0.378 \| good	5.886 \| good	0.574 \| good
2026-11-11T17:00:00.000Z	22 \| good	4.407 \| good	23.137 \| good	14.691 \| good	0.2 \| good	4.538 \| good	0.37 \| good
2026-11-11T18:00:00.000Z	22 \| good	2.872 \| good	15.623 \| good	24.406 \| good	0.854 \| good	2.036 \| good	0.349 \| good
2026-11-11T19:00:00.000Z	25 \| good	2.43 \| good	13.674 \| good	26.777 \| good	0.718 \| good	1.668 \| good	0.307 \| good
2026-11-11T20:00:00.000Z	25 \| good	2.391 \| good	12.39 \| good	27.369 \| good	0.577 \| good	1.96 \| good	0.282 \| good
2026-11-11T21:00:00.000Z	28 \| good	2.284 \| good	11.341 \| good	30.224 \| good	0.517 \| good	1.841 \| good	0.288 \| good
2026-11-11T22:00:00.000Z	29 \| good	2.715 \| good	13.858 \| good	31.493 \| good	0.34 \| good	2.479 \| good	0.313 \| good
2026-11-11T23:00:00.000Z	24 \| good	3.388 \| good	19.43 \| good	26.053 \| good	0.481 \| good	4.825 \| good	0.405 \| good
2026-11-12T00:00:00.000Z	22 \| good	3.837 \| good	19.932 \| good	21.922 \| good	0.659 \| good	6.506 \| good	0.383 \| good
2026-11-12T01:00:00.000Z	22 \| good	4.384 \| good	22.149 \| good	16.867 \| good	0.419 \| good	5.967 \| good	0.391 \| good
2026-11-12T02:00:00.000Z	31 \| good	5.295 \| good	33.09 \| good	15.687 \| good	0.459 \| good	5.933 \| good	0.366 \| good
2026-11-12T03:00:00.000Z	31 \| good	5.413 \| good	33.636 \| good	16.58 \| good	0.638 \| good	4.444 \| good	0.323 \| good
2026-11-12T04:00:00.000Z	24 \| good	4.233 \| good	25.807 \| good	14.312 \| good	0.28 \| good	2.641 \| good	0.321 \| good
2026-11-12T05:00:00.000Z	31 \| good	5.083 \| good	34.02 \| good	15.624 \| good	0.239 \| good	2.473 \| good	0.309 \| good
2026-11-12T06:00:00.000Z	27 \| good	5.372 \| good	27.101 \| good	13.43 \| good	0.438 \| good	1.966 \| good	0.329 \| good
2026-11-12T07:00:00.000Z	38 \| good	6.568 \| good	37.774 \| good	13.145 \| good	0.548 \| good	1.825 \| good	0.284 \| good
2026-11-12T08:00:00.000Z	33 \| good	5.905 \| good	34.857 \| good	16.705 \| good	0.342 \| good	2.98 \| good	0.284 \| good
2026-11-12T09:00:00.000Z	33 \| good	5.527 \| good	31.439 \| good	17.951 \| good	0.349 \| good	2.751 \| good	0.252 \| good
2026-11-12T10:00:00.000Z	22 \| good	3.824 \| good	24.006 \| good	16.913 \| good	0.515 \| good	2.743 \| good	0.259 \| good
2026-11-12T11:00:00.000Z	22 \| good	3.679 \| good	18.586 \| good	20.464 \| good	0.688 \| good	1.963 \| good	0.297 \| good
2026-11-12T12:00:00.000Z	20 \| good	2.538 \| good	16.641 \| good	22.296 \| good	1.286 \| good	2.494 \| good	0.339 \| good
2026-11-12T13:00:00.000Z	19 \| good	2.965 \| good	15.291 \| good	20.955 \| good	0.844 \| good	3.03 \| good	0.321 \| good
2026-11-12T14:00:00.000Z	23 \| good	2.421 \| good	13.525 \| good	25.402 \| good	0.416 \| good	2.73 \| good	0.34 \| good
2026-11-12T15:00:00.000Z	20 \| good	2.443 \| good	12.997 \| good	21.804 \| good	0.236 \| good	3.148 \| good	0.343 \| good
2026-11-12T16:00:00.000Z	22 \| good	2.572 \| good	16.279 \| good	23.613 \| good	0.301 \| good	2.217 \| good	0.334 \| good
2026-11-12T17:00:00.000Z	24 \| good	2.43 \| good	14.945 \| good	25.7 \| good	0.499 \| good	1.639 \| good	0.331 \| good
2026-11-12T18:00:00.000Z	24 \| good	2.524 \| good	13.626 \| good	26.194 \| good	0.558 \| good	1.548 \| good	0.364 \| good
2026-11-12T19:00:00.000Z	25 \| good	2.149 \| good	10.904 \| good	26.577 \| good	0.985 \| good	1.507 \| good	0.335 \| good
2026-11-12T20:00:00.000Z	26 \| good	2.15 \| good	12.196 \| good	28.242 \| good	1.231 \| good	1.61 \| good	0.322 \| good
2026-11-12T21:00:00.000Z	26 \| good	2.162 \| good	11.655 \| good	27.631 \| good	1.048 \| good	1.587 \| good	0.343 \| good
2026-11-12T22:00:00.000Z	24 \| good	2.418 \| good	20.015 \| good	25.878 \| good	0.625 \| good	1.725 \| good	0.344 \| good
2026-11-12T23:00:00.000Z	25 \| good	2.156 \| good	27.114 \| good	26.849 \| good	0.57 \| good	2.325 \| good	0.361 \| good
2026-11-13T00:00:00.000Z	25 \| good	2.284 \| good	19.292 \| good	27.293 \| good	0.49 \| good	2.478 \| good	0.31 \| good
2026-11-13T01:00:00.000Z	25 \| good	1.937 \| good	12.078 \| good	26.832 \| good	0.466 \| good	2.566 \| good	0.323 \| good
2026-11-13T01:00:00.000Z	25 \| good	1.937 \| good	12.078 \| good	26.832 \| good	0.466 \| good	2.566 \| good	0.323 \| good
2026-11-13T02:00:00.000Z	26 \| good	2.555 \| good	10.524 \| good	28.346 \| good	0.443 \| good	1.745 \| good	0.148 \| good
2026-11-13T03:00:00.000Z	25 \| good	1.544 \| good	6.322 \| good	26.995 \| good	0.399 \| good	1.538 \| good	0.145 \| good
2026-11-13T04:00:00.000Z	21 \| good	1.259 \| good	5.25 \| good	23.112 \| good	0.374 \| good	1.354 \| good	0.143 \| good
2026-11-13T05:00:00.000Z	19 \| good	0.845 \| good	3.322 \| good	21.239 \| good	0.362 \| good	1.203 \| good	0.14 \| good
2026-11-13T06:00:00.000Z	19 \| good	1.236 \| good	5.01 \| good	21.304 \| good	0.354 \| good	1.131 \| good	0.138 \| good
2026-11-13T07:00:00.000Z	21 \| good	1.219 \| good	4.934 \| good	23.1 \| good	0.346 \| good	1.073 \| good	0.136 \| good
2026-11-13T08:00:00.000Z	20 \| good	0.632 \| good	2.272 \| good	22.425 \| good	0.328 \| good	1.016 \| good	0.134 \| good
2026-11-13T09:00:00.000Z	19 \| good	0.897 \| good	3.466 \| good	21.066 \| good	0.302 \| good	0.937 \| good	0.133 \| good
2026-11-13T10:00:00.000Z	20 \| good	0.509 \| good	1.963 \| good	22.098 \| good	0.269 \| good	0.862 \| good	0.131 \| good
2026-11-13T11:00:00.000Z	21 \| good	0.275 \| good	1 \| good	22.513 \| good	0.234 \| good	0.82 \| good	0.13 \| good
2026-11-13T12:00:00.000Z	21 \| good	0.157 \| good	0.03 \| good	22.665 \| good	0.2 \| good	0.901 \| good	0.13 \| good
2026-11-13T13:00:00.000Z	21 \| good	0.517 \| good	2 \| good	23.211 \| good	0.166 \| good	0.979 \| good	0.131 \| good
2026-11-13T14:00:00.000Z	21 \| good	0.357 \| good	1.374 \| good	23.435 \| good	0.13 \| good	0.71 \| good	0.129 \| good
2026-11-13T15:00:00.000Z	22 \| good	0.362 \| good	1.209 \| good	23.901 \| good	0.104 \| good	0.614 \| good	0.129 \| good
2026-11-13T16:00:00.000Z	19 \| good	1.028 \| good	4.066 \| good	21.364 \| good	0.089 \| good	0.573 \| good	0.13 \| good
2026-11-13T17:00:00.000Z	19 \| good	0.798 \| good	3.03 \| good	20.103 \| good	0.08 \| good	0.549 \| good	0.131 \| good
2026-11-13T18:00:00.000Z	18 \| good	0.668 \| good	2.328 \| good	19.281 \| good	0.075 \| good	0.544 \| good	0.133 \| good
2026-11-13T19:00:00.000Z	19 \| good	0.726 \| good	3 \| good	20.241 \| good	0.07 \| good	0.569 \| good	0.134 \| good
2026-11-13T20:00:00.000Z	19 \| good	0.721 \| good	2.804 \| good	19.84 \| good	0.06 \| good	0.599 \| good	0.135 \| good
2026-11-13T21:00:00.000Z	18 \| good	0.841 \| good	3.308 \| good	19.106 \| good	0.052 \| good	0.702 \| good	0.136 \| good
2026-11-13T22:00:00.000Z	19 \| good	1.024 \| good	4.168 \| good	20.222 \| good	0.051 \| good	1.004 \| good	0.139 \| good
2026-11-13T23:00:00.000Z	19 \| good	1.003 \| good	3.708 \| good	20.298 \| good	0.056 \| good	1.377 \| good	0.143 \| good
2026-11-14T00:00:00.000Z	24 \| good	0.784 \| good	3 \| good	25.828 \| good	0.066 \| good	1.757 \| good	0.145 \| good
2026-11-14T01:00:00.000Z	24 \| good	0.82 \| good	3.105 \| good	26.205 \| good	0.075 \| good	2.058 \| good	0.147 \| good
2026-11-14T02:00:00.000Z	22 \| good	0.642 \| good	2.563 \| good	23.742 \| good	0.081 \| good	2.2 \| good	0.148 \| good
2026-11-14T03:00:00.000Z	19 \| good	0.64 \| good	2.159 \| good	21.167 \| good	0.088 \| good	2.398 \| good	0.149 \| good
2026-11-14T04:00:00.000Z	16 \| good	0.706 \| good	2.804 \| good	17.237 \| good	0.092 \| good	2.541 \| good	0.15 \| good
2026-11-14T05:00:00.000Z	16 \| good	0.572 \| good	1.926 \| good	16.845 \| good	0.09 \| good	2.399 \| good	0.149 \| good
2026-11-14T06:00:00.000Z	16 \| good	0.568 \| good	1.926 \| good	17.26 \| good	0.09 \| good	2.321 \| good	0.148 \| good
2026-11-14T07:00:00.000Z	16 \| good	0.682 \| good	2.296 \| good	16.704 \| good	0.094 \| good	2.256 \| good	0.147 \| good
2026-11-14T08:00:00.000Z	14 \| good	0.691 \| good	2.393 \| good	15.001 \| good	0.102 \| good	2.153 \| good	0.145 \| good
2026-11-14T09:00:00.000Z	17 \| good	0.627 \| good	2 \| good	17.868 \| good	0.111 \| good	2.074 \| good	0.144 \| good
2026-11-14T10:00:00.000Z	16 \| good	0.568 \| good	2.107 \| good	16.956 \| good	0.125 \| good	1.968 \| good	0.142 \| good
2026-11-14T11:00:00.000Z	12 \| good	0.76 \| good	2.533 \| good	13.37 \| good	0.138 \| good	1.922 \| good	0.141 \| good
2026-11-14T12:00:00.000Z	11 \| good	1.342 \| good	5.335 \| good	12.411 \| good	0.152 \| good	2.061 \| good	0.141 \| good
2026-11-14T13:00:00.000Z	14 \| good	1.103 \| good	4.429 \| good	15.424 \| good	0.157 \| good	2.11 \| good	0.142 \| good
2026-11-14T14:00:00.000Z	17 \| good	0.403 \| good	1.429 \| good	17.892 \| good	0.152 \| good	1.723 \| good	0.141 \| good
2026-11-14T15:00:00.000Z	21 \| good	0.738 \| good	2.843 \| good	22.767 \| good	0.149 \| good	1.49 \| good	0.139 \| good
2026-11-14T16:00:00.000Z	20 \| good	0.579 \| good	2.07 \| good	21.808 \| good	0.158 \| good	1.307 \| good	0.138 \| good
2026-11-14T17:00:00.000Z	22 \| good	0.516 \| good	2 \| good	23.75 \| good	0.167 \| good	1.076 \| good	0.136 \| good
2026-11-14T18:00:00.000Z	21 \| good	0.458 \| good	1.907 \| good	22.984 \| good	0.171 \| good	0.922 \| good	0.135 \| good
2026-11-14T19:00:00.000Z	20 \| good	0.45 \| good	2 \| good	21.983 \| good	0.167 \| good	0.907 \| good	0.135 \| good
2026-11-14T20:00:00.000Z	20 \| good	1.222 \| good	5 \| good	21.823 \| good	0.164 \| good	0.956 \| good	0.134 \| good
2026-11-14T21:00:00.000Z	20 \| good	0.404 \| good	1.393 \| good	22.316 \| good	0.158 \| good	1.254 \| good	0.134 \| good
2026-11-14T22:00:00.000Z	19 \| good	0.408 \| good	1.467 \| good	19.621 \| good	0.144 \| good	1.569 \| good	0.134 \| good
2026-11-14T23:00:00.000Z	18 \| good	0.574 \| good	1.996 \| good	18.615 \| good	0.136 \| good	1.753 \| good	0.135 \| good
2026-11-15T00:00:00.000Z	19 \| good	1.003 \| good	4.039 \| good	19.604 \| good	0.119 \| good	1.58 \| good	0.132 \| good
2026-11-15T01:00:00.000Z	18 \| good	0.841 \| good	3.074 \| good	19.184 \| good	0.101 \| good	1.406 \| good	0.13 \| good

Ontario

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Ontario, New York air quality map: Track AQI near you

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How accurate is New York, USA air quality data?

Air quality data and pollutant measurements for New York, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Ontario, New York updated?

The air quality for Ontario, New York is updated every hour.

When was the worst air quality at Ontario, New York in the last 24 hrs?

The worst air quality in Ontario, New York in the last 24 hours was observed at 07:00:00 on 2026-11-12.

When was the best air quality at Ontario, New York in the last 24 hrs?

In the last 24 hrs, the best air quality in Ontario, New York was observed at 01:00:00 on 2026-11-12.

What is the current air quality in Ontario, New York?

The current air quality in Ontario, New York is 25, categorized as Good based on real-time data.

What pollutant is the most common in Ontario, New York?

The most common pollutant in Ontario, New York is O3.

What should I do if the air quality in Ontario, New York is poor?

If the air quality in Ontario, New York is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Ontario, New York?

The current PM_2.5 concentration at Ontario, New York is 1.937 μg/m³.

What is the current concentration of PM₁₀ in Ontario, New York?

The current PM₁₀ concentration at Ontario, New York is 12.078 μg/m³.

What is the current concentration of carbon monoxide (CO) in Ontario, New York?

The current carbon monoxide (CO) concentration at Ontario, New York is 0.323 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Ontario, New York?

The current sulfur dioxide (SO₂) concentration at Ontario, New York is 0.466 ppb.

What is the current concentration of ozone (O₃) in Ontario, New York?

The current ozone (O₃) concentration at Ontario, New York is 26.832 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Ontario, New York?

The current nitrogen dioxide (NO₂) concentration at Ontario, New York is 2.566 ppb.

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