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

The current PM10 concentration at Ontario, New York is 47.824 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 0.558 ppb.

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

The current ozone (O3) concentration at Ontario, New York is 10.617 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 1.746 ppb.

Ontario, New York live air quality index now

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

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)

2.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.45 μg/m³

155

255

425

605+

Ozone (O₃)

27.27 ppb

201

201+

Sulfur Dioxide (SO₂)

0.85 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.97 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, 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
2025-07-31T03:00:00.000Z	94 \| moderate	31.321 \| fine	140.989 \| fine	31.072 \| good	0.432 \| good	4.891 \| good	0.361 \| good
2025-07-31T04:00:00.000Z	82 \| moderate	25.88 \| fine	67.122 \| fine	35.123 \| good	1.227 \| good	6.998 \| good	0.349 \| good
2025-07-31T05:00:00.000Z	102 \| sensitive	35.981 \| moderate	155.338 \| moderate	32.674 \| good	4.257 \| good	4.91 \| good	0.331 \| good
2025-07-31T06:00:00.000Z	92 \| moderate	30.995 \| fine	113.673 \| fine	32.785 \| good	3.271 \| good	1.318 \| good	0.325 \| good
2025-07-31T07:00:00.000Z	122 \| sensitive	43.759 \| moderate	194.705 \| moderate	32.649 \| good	0.875 \| good	1.506 \| good	0.316 \| good
2025-07-31T08:00:00.000Z	134 \| sensitive	49.048 \| moderate	221.582 \| moderate	34.697 \| good	0.263 \| good	1.654 \| good	0.29 \| good
2025-07-31T09:00:00.000Z	154 \| unhealthy	60.403 \| poor	256.906 \| poor	33.786 \| good	0.182 \| good	1.886 \| good	0.311 \| good
2025-07-31T10:00:00.000Z	162 \| unhealthy	70.862 \| poor	233.909 \| moderate	30.302 \| good	0.225 \| good	1.623 \| good	0.286 \| good
2025-07-31T11:00:00.000Z	147 \| sensitive	53.524 \| moderate	218.453 \| moderate	32.046 \| good	0.472 \| good	1.397 \| good	0.288 \| good
2025-07-31T12:00:00.000Z	130 \| sensitive	42.663 \| moderate	212.687 \| moderate	22.328 \| good	1.596 \| good	2.092 \| good	0.384 \| good
2025-07-31T13:00:00.000Z	141 \| sensitive	42.722 \| moderate	235.103 \| moderate	25.548 \| good	0.403 \| good	1.671 \| good	0.396 \| good
2025-07-31T14:00:00.000Z	131 \| sensitive	39.723 \| moderate	215.148 \| moderate	27.113 \| good	0.364 \| good	2.371 \| good	0.407 \| good
2025-07-31T15:00:00.000Z	119 \| sensitive	26.715 \| fine	191.922 \| moderate	27.633 \| good	0.629 \| good	2.133 \| good	0.378 \| good
2025-07-31T16:00:00.000Z	106 \| sensitive	28.701 \| fine	164.717 \| moderate	26.937 \| good	2.295 \| good	1.747 \| good	0.42 \| good
2025-07-31T17:00:00.000Z	132 \| sensitive	31.912 \| fine	218.029 \| moderate	29.05 \| good	1.698 \| good	1.214 \| good	0.341 \| good
2025-07-31T18:00:00.000Z	109 \| sensitive	30.253 \| fine	171.002 \| moderate	29.081 \| good	1.379 \| good	1.794 \| good	0.289 \| good
2025-07-31T19:00:00.000Z	86 \| moderate	27.871 \| fine	123.853 \| fine	30.196 \| good	2.126 \| good	1.626 \| good	0.252 \| good
2025-07-31T20:00:00.000Z	73 \| moderate	20.171 \| fine	99.599 \| fine	28.489 \| good	2.676 \| good	1.587 \| good	0.227 \| good
2025-07-31T21:00:00.000Z	77 \| moderate	22.866 \| fine	105.922 \| fine	27.596 \| good	2.826 \| good	1.597 \| good	0.256 \| good
2025-07-31T22:00:00.000Z	73 \| moderate	20.965 \| fine	94.62 \| fine	28.227 \| good	2.244 \| good	1.652 \| good	0.263 \| good
2025-07-31T23:00:00.000Z	25 \| good	1.48 \| good	6 \| good	26.884 \| good	0.184 \| good	1.632 \| good	0.18 \| good
2025-08-01T00:00:00.000Z	54 \| moderate	10.197 \| good	61.923 \| fine	30.402 \| good	0.639 \| good	1.099 \| good	0.297 \| good
2025-08-01T01:00:00.000Z	82 \| moderate	9.616 \| good	117.117 \| fine	27.079 \| good	0.327 \| good	1.469 \| good	0.301 \| good
2025-08-01T02:00:00.000Z	67 \| moderate	9.289 \| good	88.369 \| fine	27.079 \| good	0.362 \| good	2.326 \| good	0.319 \| good
2025-08-01T03:00:00.000Z	69 \| moderate	14.164 \| fine	92.324 \| fine	23.002 \| good	0.341 \| good	4.792 \| good	0.322 \| good
2025-08-01T04:00:00.000Z	78 \| moderate	21.159 \| fine	110.117 \| fine	23.993 \| good	0.439 \| good	5.938 \| good	0.369 \| good
2025-08-01T05:00:00.000Z	77 \| moderate	15.147 \| fine	107.309 \| fine	25.3 \| good	0.701 \| good	6.755 \| good	0.353 \| good
2025-08-01T06:00:00.000Z	62 \| moderate	15.097 \| fine	69.557 \| fine	21.462 \| good	0.648 \| good	4.26 \| good	0.334 \| good
2025-08-01T07:00:00.000Z	62 \| moderate	14.515 \| fine	51.572 \| good	19.198 \| good	0.445 \| good	3.069 \| good	0.357 \| good
2025-08-01T08:00:00.000Z	57 \| moderate	9.292 \| good	66.788 \| fine	17.053 \| good	0.363 \| good	1.779 \| good	0.27 \| good
2025-08-01T09:00:00.000Z	53 \| moderate	3.781 \| good	58.997 \| fine	14.055 \| good	0.226 \| good	1.709 \| good	0.26 \| good
2025-08-01T10:00:00.000Z	31 \| good	3.395 \| good	34.047 \| good	13.087 \| good	0.574 \| good	1.356 \| good	0.249 \| good
2025-08-01T11:00:00.000Z	22 \| good	4.265 \| good	22.913 \| good	11.051 \| good	0.463 \| good	1.277 \| good	0.263 \| good
2025-08-01T12:00:00.000Z	44 \| good	8.466 \| good	47.824 \| good	10.617 \| good	0.558 \| good	1.746 \| good	0.28 \| good
2025-08-01T13:00:00.000Z	46 \| good	7.184 \| good	49.862 \| good	11.428 \| good	0.739 \| good	2.05 \| good	0.282 \| good
2025-08-01T14:00:00.000Z	42 \| good	5.606 \| good	45.142 \| good	16.562 \| good	0.762 \| good	1.654 \| good	0.312 \| good
2025-08-01T15:00:00.000Z	22 \| good	4.042 \| good	21.086 \| good	20.288 \| good	0.55 \| good	1.254 \| good	0.208 \| good
2025-08-01T16:00:00.000Z	23 \| good	4.041 \| good	25.251 \| good	21.08 \| good	0.533 \| good	1.105 \| good	0.194 \| good
2025-08-01T17:00:00.000Z	25 \| good	2.81 \| good	27.28 \| good	23.338 \| good	2.943 \| good	1.026 \| good	0.185 \| good
2025-08-01T18:00:00.000Z	22 \| good	3.034 \| good	21.19 \| good	23.709 \| good	5.397 \| good	0.988 \| good	0.325 \| good
2025-08-01T19:00:00.000Z	25 \| good	2.678 \| good	14.808 \| good	26.945 \| good	3.181 \| good	0.966 \| good	0.215 \| good
2025-08-01T20:00:00.000Z	27 \| good	2.485 \| good	15.047 \| good	29.355 \| good	3.468 \| good	0.946 \| good	0.201 \| good
2025-08-01T21:00:00.000Z	28 \| good	2.668 \| good	17.747 \| good	29.954 \| good	5.673 \| good	0.936 \| good	0.218 \| good
2025-08-01T22:00:00.000Z	29 \| good	3.139 \| good	20.407 \| good	30.839 \| good	3.983 \| good	0.865 \| good	0.224 \| good
2025-08-01T23:00:00.000Z	48 \| good	2.41 \| good	52.222 \| good	28.491 \| good	3.554 \| good	0.901 \| good	0.202 \| good
2025-08-02T00:00:00.000Z	26 \| good	2.683 \| good	13.193 \| good	27.839 \| good	2.289 \| good	1.087 \| good	0.195 \| good
2025-08-02T01:00:00.000Z	25 \| good	2.601 \| good	11.454 \| good	27.266 \| good	0.854 \| good	2.967 \| good	0.197 \| good
2025-08-02T02:00:00.000Z	25 \| good	2.601 \| good	11.454 \| good	27.266 \| good	0.854 \| good	2.967 \| good	0.197 \| good
2025-08-01T14:00:00.000Z	20 \| good	0.439 \| good	1.607 \| good	22.268 \| good	0.256 \| good	0.796 \| good	0.149 \| good
2025-08-01T15:00:00.000Z	19 \| good	0.464 \| good	1.741 \| good	21.364 \| good	0.307 \| good	0.581 \| good	0.15 \| good
2025-08-01T16:00:00.000Z	20 \| good	1.893 \| good	7.93 \| good	21.75 \| good	0.324 \| good	0.527 \| good	0.15 \| good
2025-08-01T17:00:00.000Z	27 \| good	4.792 \| good	21 \| good	22.083 \| good	0.342 \| good	0.473 \| good	0.15 \| good
2025-08-01T18:00:00.000Z	25 \| good	4.254 \| good	18.926 \| good	26.556 \| good	0.359 \| good	0.419 \| good	0.15 \| good
2025-08-01T19:00:00.000Z	27 \| good	2.486 \| good	10.101 \| good	28.639 \| good	0.346 \| good	0.436 \| good	0.149 \| good
2025-08-01T20:00:00.000Z	29 \| good	1.788 \| good	7.63 \| good	30.654 \| good	0.332 \| good	0.453 \| good	0.148 \| good
2025-08-01T21:00:00.000Z	31 \| good	1.07 \| good	4.272 \| good	32.628 \| good	0.319 \| good	0.469 \| good	0.147 \| good
2025-08-01T22:00:00.000Z	32 \| good	1.38 \| good	5.437 \| good	34.827 \| good	0.309 \| good	1.174 \| good	0.153 \| good
2025-08-01T23:00:00.000Z	27 \| good	1.389 \| good	5.774 \| good	29.407 \| good	0.3 \| good	1.878 \| good	0.159 \| good
2025-08-02T00:00:00.000Z	28 \| good	1.271 \| good	5.211 \| good	30.466 \| good	0.29 \| good	2.582 \| good	0.165 \| good
2025-08-02T01:00:00.000Z	29 \| good	1.397 \| good	5.467 \| good	31.179 \| good	0.305 \| good	3.887 \| good	0.178 \| good
2025-08-02T02:00:00.000Z	27 \| good	1.365 \| good	5.432 \| good	28.778 \| good	0.32 \| good	5.192 \| good	0.19 \| good
2025-08-02T03:00:00.000Z	24 \| good	1.367 \| good	5.432 \| good	25.874 \| good	0.336 \| good	6.497 \| good	0.203 \| good
2025-08-02T04:00:00.000Z	24 \| good	1.451 \| good	5.983 \| good	25.97 \| good	0.337 \| good	5.911 \| good	0.198 \| good
2025-08-02T05:00:00.000Z	22 \| good	1.493 \| good	6.263 \| good	23.545 \| good	0.338 \| good	5.325 \| good	0.194 \| good
2025-08-02T06:00:00.000Z	19 \| good	0.764 \| good	2.933 \| good	19.657 \| good	0.34 \| good	4.739 \| good	0.189 \| good
2025-08-02T07:00:00.000Z	15 \| good	1.045 \| good	4.329 \| good	15.785 \| good	0.339 \| good	4.309 \| good	0.183 \| good
2025-08-02T08:00:00.000Z	11 \| good	1.075 \| good	4.422 \| good	12.365 \| good	0.338 \| good	3.879 \| good	0.178 \| good
2025-08-02T09:00:00.000Z	11 \| good	1.77 \| good	7.357 \| good	10.931 \| good	0.337 \| good	3.449 \| good	0.172 \| good
2025-08-02T10:00:00.000Z	11 \| good	2.356 \| good	9.557 \| good	12.141 \| good	0.324 \| good	3.056 \| good	0.172 \| good
2025-08-02T11:00:00.000Z	16 \| good	3.218 \| good	13.78 \| good	16.099 \| good	0.311 \| good	2.662 \| good	0.172 \| good
2025-08-02T12:00:00.000Z	22 \| good	4.375 \| good	19.203 \| good	18.712 \| good	0.298 \| good	2.268 \| good	0.171 \| good
2025-08-02T13:00:00.000Z	27 \| good	5.075 \| good	21.939 \| good	21.881 \| good	0.3 \| good	1.774 \| good	0.166 \| good
2025-08-02T14:00:00.000Z	27 \| good	4.921 \| good	21.234 \| good	22.511 \| good	0.301 \| good	1.28 \| good	0.16 \| good
2025-08-02T15:00:00.000Z	19 \| good	3.253 \| good	14.327 \| good	20.869 \| good	0.303 \| good	0.785 \| good	0.155 \| good
2025-08-02T16:00:00.000Z	19 \| good	1.744 \| good	7.228 \| good	21.31 \| good	0.28 \| good	0.668 \| good	0.154 \| good
2025-08-02T17:00:00.000Z	21 \| good	1.294 \| good	4.97 \| good	22.554 \| good	0.257 \| good	0.55 \| good	0.153 \| good
2025-08-02T18:00:00.000Z	22 \| good	0.52 \| good	2.105 \| good	24.224 \| good	0.233 \| good	0.433 \| good	0.153 \| good
2025-08-02T19:00:00.000Z	22 \| good	3.222 \| good	14.207 \| good	24.385 \| good	0.309 \| good	0.497 \| good	0.155 \| good
2025-08-02T20:00:00.000Z	26 \| good	4.069 \| good	17.749 \| good	27.772 \| good	0.385 \| good	0.561 \| good	0.157 \| good
2025-08-02T21:00:00.000Z	26 \| good	3.853 \| good	16.819 \| good	28.448 \| good	0.461 \| good	0.625 \| good	0.159 \| good
2025-08-02T22:00:00.000Z	30 \| good	1.29 \| good	5.391 \| good	31.713 \| good	0.507 \| good	2.048 \| good	0.176 \| good
2025-08-02T23:00:00.000Z	30 \| good	1.613 \| good	6.347 \| good	32.496 \| good	0.554 \| good	3.471 \| good	0.194 \| good
2025-08-03T00:00:00.000Z	26 \| good	0.964 \| good	3.597 \| good	28.021 \| good	0.601 \| good	4.894 \| good	0.212 \| good
2025-08-03T01:00:00.000Z	18 \| good	0.891 \| good	3.568 \| good	19.432 \| good	0.541 \| good	5.397 \| good	0.222 \| good
2025-08-03T02:00:00.000Z	11 \| good	2.312 \| good	9.331 \| good	12.493 \| good	0.482 \| good	5.899 \| good	0.233 \| good
2025-08-03T03:00:00.000Z	16 \| good	2.574 \| good	10.765 \| good	8.854 \| good	0.422 \| good	6.401 \| good	0.244 \| good
2025-08-03T04:00:00.000Z	8 \| good	1.383 \| good	5.389 \| good	9.14 \| good	0.521 \| good	5.359 \| good	0.236 \| good
2025-08-03T05:00:00.000Z	12 \| good	1.838 \| good	7.754 \| good	12.733 \| good	0.621 \| good	4.317 \| good	0.227 \| good
2025-08-03T06:00:00.000Z	44 \| good	8.126 \| good	8.184 \| good	44.03 \| good	0.717 \| good	3.271 \| good	0.218 \| good
2025-08-03T07:00:00.000Z	44 \| good	8.28 \| good	36.237 \| good	18.154 \| good	0.723 \| good	3.046 \| good	0.219 \| good
2025-08-03T08:00:00.000Z	52 \| moderate	10.101 \| good	44.872 \| good	18.825 \| good	0.726 \| good	2.817 \| good	0.219 \| good
2025-08-03T09:00:00.000Z	52 \| moderate	9.708 \| good	43 \| good	19.859 \| good	0.729 \| good	2.588 \| good	0.219 \| good
2025-08-03T10:00:00.000Z	49 \| good	8.526 \| good	37.388 \| good	16.615 \| good	0.719 \| good	2.693 \| good	0.225 \| good
2025-08-03T11:00:00.000Z	44 \| good	7.678 \| good	33.67 \| good	22.939 \| good	0.708 \| good	2.798 \| good	0.232 \| good
2025-08-03T12:00:00.000Z	64 \| moderate	15.81 \| fine	15.954 \| good	37.772 \| good	0.691 \| good	2.846 \| good	0.238 \| good
2025-08-03T13:00:00.000Z	67 \| moderate	17.636 \| fine	17.796 \| good	42.394 \| good	0.734 \| good	2.588 \| good	0.245 \| good

Ontario

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

0.28ppm

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 01:00:00 on 2025-07-31.

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 11:00:00 on 2025-08-01.

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

The current air quality in Ontario, New York is 44, 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 PM10.

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 8.466 μg/m³.

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

The current PM₁₀ concentration at Ontario, New York is 47.824 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 0.28 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 0.558 ppb.

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

The current ozone (O₃) concentration at Ontario, New York is 10.617 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 1.746 ppb.

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