What is the current level of PM10 in Princeton, New Jersey?

Princeton, New Jersey currently has a PM10 concentration of 40.978 μg/m3.

What is the current level of sulfur dioxide (SO2) in Princeton, New Jersey?

The current sulfur dioxide (SO2) concentration in Princeton, New Jersey is 0.359 ppb.

What is the current level of ozone (O3) in Princeton, New Jersey?

Princeton, New Jersey currently has an ozone (O3) concentration of 31.011 ppm.

What is the current level of nitrogen dioxide (NO2) in Princeton, New Jersey?

The current level of nitrogen dioxide (NO2) in Princeton, New Jersey is 2.338 ppb.

Current air quality index in Princeton, New Jersey today

Name: Live air pollution levels in Princeton, New Jersey today
Creator: Ambee

Stay updated with real-time air quality in Princeton, New Jersey 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

Princeton, New Jersey

Last updated: ... (Local time)

Major air pollutants in Princeton, New Jersey

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.98 μg/m³

155

255

425

605+

Ozone (O₃)

31.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.34 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.40 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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Princeton, New Jersey

Scroll To Air Quality Map

Track live Princeton, New Jersey air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T23:00:00.000Z	87 \| moderate	22.507 \| fine	97.57 \| fine	66.387 \| fine	1.863 \| good	4.982 \| good	0.4 \| good
2025-06-06T00:00:00.000Z	87 \| moderate	22.256 \| fine	92.648 \| fine	65.549 \| fine	0.639 \| good	9.107 \| good	0.43 \| good
2025-06-06T01:00:00.000Z	71 \| moderate	19.961 \| fine	87.187 \| fine	60.612 \| fine	0.621 \| good	7.363 \| good	0.382 \| good
2025-06-06T02:00:00.000Z	67 \| moderate	18.479 \| fine	81.614 \| fine	55.302 \| fine	0.578 \| good	6.41 \| good	0.368 \| good
2025-06-06T03:00:00.000Z	66 \| moderate	16.989 \| fine	75.028 \| fine	47.389 \| good	0.861 \| good	5.969 \| good	0.349 \| good
2025-06-06T04:00:00.000Z	64 \| moderate	15.588 \| fine	68.819 \| fine	45.891 \| good	0.505 \| good	5.735 \| good	0.335 \| good
2025-06-06T05:00:00.000Z	62 \| moderate	15.11 \| fine	67.817 \| fine	41.685 \| good	0.544 \| good	8.303 \| good	0.316 \| good
2025-06-06T06:00:00.000Z	62 \| moderate	14.835 \| fine	64.52 \| fine	32.288 \| good	0.596 \| good	7.971 \| good	0.316 \| good
2025-06-06T07:00:00.000Z	60 \| moderate	13.984 \| fine	62.436 \| fine	31.407 \| good	0.617 \| good	8.572 \| good	0.314 \| good
2025-06-06T08:00:00.000Z	60 \| moderate	13.511 \| fine	61.427 \| fine	30.09 \| good	0.371 \| good	9.208 \| good	0.314 \| good
2025-06-06T09:00:00.000Z	60 \| moderate	13.63 \| fine	61.813 \| fine	27.346 \| good	0.333 \| good	9.731 \| good	0.314 \| good
2025-06-06T10:00:00.000Z	60 \| moderate	14.062 \| fine	62.929 \| fine	25.823 \| good	0.404 \| good	9.022 \| good	0.333 \| good
2025-06-06T11:00:00.000Z	60 \| moderate	13.661 \| fine	60.788 \| fine	20.537 \| good	0.331 \| good	12.67 \| good	0.388 \| good
2025-06-06T12:00:00.000Z	58 \| moderate	12.573 \| fine	56.967 \| fine	20.96 \| good	0.285 \| good	13.565 \| good	0.395 \| good
2025-06-06T13:00:00.000Z	60 \| moderate	13.902 \| fine	61.251 \| fine	22.671 \| good	0.521 \| good	15.248 \| good	0.497 \| good
2025-06-06T14:00:00.000Z	62 \| moderate	14.681 \| fine	67.221 \| fine	29 \| good	0.578 \| good	13.7 \| good	0.498 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	15.291 \| fine	67.531 \| fine	37.591 \| good	0.596 \| good	13.414 \| good	0.504 \| good
2025-06-06T16:00:00.000Z	62 \| moderate	15.486 \| fine	67.327 \| fine	45.6 \| good	0.769 \| good	10.75 \| good	0.51 \| good
2025-06-06T17:00:00.000Z	67 \| moderate	17.614 \| fine	77.554 \| fine	53.892 \| good	0.739 \| good	8.243 \| good	0.485 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.549 \| fine	86.391 \| fine	61.425 \| fine	0.541 \| good	4.638 \| good	0.426 \| good
2025-06-06T19:00:00.000Z	100 \| moderate	20.808 \| fine	92.629 \| fine	70.428 \| fine	0.595 \| good	5.251 \| good	0.429 \| good
2025-06-06T20:00:00.000Z	93 \| moderate	22.446 \| fine	99.592 \| fine	68.272 \| fine	0.647 \| good	4.005 \| good	0.366 \| good
2025-06-06T21:00:00.000Z	75 \| moderate	21.909 \| fine	95.137 \| fine	62.458 \| fine	0.569 \| good	2.977 \| good	0.381 \| good
2025-06-06T22:00:00.000Z	75 \| moderate	21.657 \| fine	95.979 \| fine	58.148 \| fine	0.554 \| good	5.485 \| good	0.357 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	16.43 \| fine	72.493 \| fine	48.004 \| good	0.366 \| good	4.32 \| good	0.376 \| good
2025-06-07T00:00:00.000Z	64 \| moderate	16.35 \| fine	71.933 \| fine	42.556 \| good	0.32 \| good	5.217 \| good	0.329 \| good
2025-06-07T01:00:00.000Z	64 \| moderate	16.275 \| fine	73.001 \| fine	41.157 \| good	0.347 \| good	4.576 \| good	0.365 \| good
2025-06-07T02:00:00.000Z	64 \| moderate	16.042 \| fine	72.403 \| fine	38.292 \| good	0.362 \| good	7.635 \| good	0.351 \| good
2025-06-07T03:00:00.000Z	62 \| moderate	15.208 \| fine	68.309 \| fine	31.27 \| good	0.412 \| good	14.191 \| good	0.385 \| good
2025-06-07T04:00:00.000Z	62 \| moderate	14.905 \| fine	66.446 \| fine	30.978 \| good	0.456 \| good	12.533 \| good	0.398 \| good
2025-06-07T05:00:00.000Z	62 \| moderate	14.592 \| fine	64.159 \| fine	26.255 \| good	0.481 \| good	9.068 \| good	0.419 \| good
2025-06-07T06:00:00.000Z	60 \| moderate	14.208 \| fine	63.794 \| fine	20.197 \| good	0.415 \| good	11.922 \| good	0.38 \| good
2025-06-07T07:00:00.000Z	60 \| moderate	13.6 \| fine	62.235 \| fine	14.215 \| good	0.408 \| good	9.791 \| good	0.361 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.214 \| fine	60.832 \| fine	12.357 \| good	0.403 \| good	8.788 \| good	0.336 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	13.37 \| fine	58.748 \| fine	11.876 \| good	0.338 \| good	7.382 \| good	0.317 \| good
2025-06-07T10:00:00.000Z	60 \| moderate	13.75 \| fine	59.054 \| fine	11.147 \| good	0.33 \| good	6.28 \| good	0.303 \| good
2025-06-07T11:00:00.000Z	60 \| moderate	13.692 \| fine	59.494 \| fine	9.988 \| good	0.294 \| good	7.419 \| good	0.303 \| good
2025-06-07T12:00:00.000Z	58 \| moderate	12.714 \| fine	56.333 \| fine	10.423 \| good	0.316 \| good	6.305 \| good	0.322 \| good
2025-06-07T13:00:00.000Z	54 \| moderate	11.019 \| good	49.207 \| good	12.911 \| good	0.522 \| good	8.179 \| good	0.334 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.237 \| good	49.572 \| good	14.219 \| good	0.312 \| good	7.092 \| good	0.328 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	11.782 \| good	51.745 \| good	19.047 \| good	0.368 \| good	4.844 \| good	0.361 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.86 \| good	51.946 \| good	24.348 \| good	0.666 \| good	6.435 \| good	0.361 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	11.29 \| good	50.075 \| good	25.608 \| good	0.75 \| good	5.662 \| good	0.381 \| good
2025-06-07T18:00:00.000Z	54 \| moderate	10.797 \| good	48.272 \| good	23.829 \| good	0.456 \| good	3.941 \| good	0.406 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	10.285 \| good	45.177 \| good	21.619 \| good	0.444 \| good	4.938 \| good	0.401 \| good
2025-06-07T20:00:00.000Z	52 \| moderate	10.142 \| good	44.666 \| good	23.504 \| good	1.435 \| good	4.385 \| good	0.45 \| good
2025-06-07T21:00:00.000Z	52 \| moderate	9.979 \| good	44.649 \| good	30.462 \| good	0.726 \| good	3.441 \| good	0.436 \| good
2025-06-07T22:00:00.000Z	49 \| good	9.312 \| good	40.978 \| good	31.011 \| good	0.359 \| good	2.338 \| good	0.403 \| good
2025-06-07T22:00:00.000Z	49 \| good	9.312 \| good	40.978 \| good	31.011 \| good	0.359 \| good	2.338 \| good	0.403 \| good
2025-06-07T23:00:00.000Z	49 \| good	8.563 \| good	37.283 \| good	47.331 \| good	0.776 \| good	6.196 \| good	0.251 \| good
2025-06-08T00:00:00.000Z	40 \| good	6 \| good	26.416 \| good	43.066 \| good	0.831 \| good	6.506 \| good	0.248 \| good
2025-06-08T01:00:00.000Z	49 \| good	8.625 \| good	38.156 \| good	39.954 \| good	0.668 \| good	5.981 \| good	0.279 \| good
2025-06-08T02:00:00.000Z	58 \| moderate	13.013 \| fine	58.389 \| fine	29.765 \| good	0.754 \| good	6.504 \| good	0.277 \| good
2025-06-08T03:00:00.000Z	60 \| moderate	13.918 \| fine	62.372 \| fine	27.095 \| good	0.841 \| good	7.027 \| good	0.276 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	12.746 \| fine	57.607 \| fine	27.52 \| good	0.688 \| good	4.261 \| good	0.297 \| good
2025-06-08T05:00:00.000Z	60 \| moderate	13.855 \| fine	62.1 \| fine	18.789 \| good	0.832 \| good	4.876 \| good	0.298 \| good
2025-06-08T06:00:00.000Z	64 \| moderate	16.146 \| fine	71.574 \| fine	15.272 \| good	0.976 \| good	5.492 \| good	0.299 \| good
2025-06-08T07:00:00.000Z	64 \| moderate	16.307 \| fine	72.073 \| fine	15.87 \| good	0.849 \| good	4.252 \| good	0.311 \| good
2025-06-08T08:00:00.000Z	64 \| moderate	16.321 \| fine	72.755 \| fine	14.104 \| good	1.015 \| good	4.806 \| good	0.316 \| good
2025-06-08T09:00:00.000Z	66 \| moderate	17.128 \| fine	75.648 \| fine	9.196 \| good	1.182 \| good	5.361 \| good	0.321 \| good
2025-06-08T10:00:00.000Z	64 \| moderate	15.656 \| fine	69.493 \| fine	12.828 \| good	1.335 \| good	5.142 \| good	0.343 \| good
2025-06-08T11:00:00.000Z	60 \| moderate	14.203 \| fine	63.879 \| fine	20.234 \| good	1.544 \| good	5.779 \| good	0.347 \| good
2025-06-08T12:00:00.000Z	60 \| moderate	13.626 \| fine	61.915 \| fine	24.823 \| good	1.753 \| good	6.417 \| good	0.351 \| good
2025-06-08T13:00:00.000Z	60 \| moderate	13.816 \| fine	62.277 \| fine	32.202 \| good	1.766 \| good	5.511 \| good	0.318 \| good
2025-06-08T14:00:00.000Z	60 \| moderate	13.734 \| fine	62.138 \| fine	38.422 \| good	1.796 \| good	5.833 \| good	0.315 \| good
2025-06-08T15:00:00.000Z	60 \| moderate	13.631 \| fine	61.664 \| fine	41.641 \| good	1.826 \| good	6.155 \| good	0.312 \| good
2025-06-08T16:00:00.000Z	58 \| moderate	13.491 \| fine	60.358 \| fine	48.578 \| good	1.416 \| good	5.291 \| good	0.27 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	12.975 \| fine	58.426 \| fine	51.316 \| good	1.346 \| good	5.326 \| good	0.262 \| good
2025-06-08T18:00:00.000Z	56 \| moderate	12.212 \| fine	54.786 \| good	49.2 \| good	1.275 \| good	5.361 \| good	0.254 \| good
2025-06-08T19:00:00.000Z	58 \| moderate	12.754 \| fine	57.075 \| fine	48.029 \| good	0.694 \| good	4.956 \| good	0.202 \| good
2025-06-08T20:00:00.000Z	60 \| moderate	13.721 \| fine	61.135 \| fine	45.298 \| good	0.684 \| good	5.098 \| good	0.201 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	12.992 \| fine	58.352 \| fine	44.194 \| good	0.675 \| good	5.239 \| good	0.2 \| good
2025-06-08T22:00:00.000Z	60 \| moderate	13.725 \| fine	62.149 \| fine	42.054 \| good	0.463 \| good	5.911 \| good	0.189 \| good
2025-06-08T23:00:00.000Z	62 \| moderate	15.309 \| fine	68.366 \| fine	41.435 \| good	0.463 \| good	6.092 \| good	0.192 \| good
2025-06-09T00:00:00.000Z	58 \| moderate	13.25 \| fine	59.939 \| fine	41.849 \| good	0.463 \| good	6.274 \| good	0.194 \| good
2025-06-09T01:00:00.000Z	58 \| moderate	13.408 \| fine	60.39 \| fine	40.01 \| good	0.53 \| good	5.425 \| good	0.183 \| good
2025-06-09T02:00:00.000Z	54 \| moderate	11.483 \| good	50.636 \| good	39.015 \| good	0.541 \| good	5.419 \| good	0.183 \| good
2025-06-09T03:00:00.000Z	54 \| moderate	10.958 \| good	48.317 \| good	37.778 \| good	0.552 \| good	5.414 \| good	0.182 \| good
2025-06-09T04:00:00.000Z	54 \| moderate	11.126 \| good	49.315 \| good	36.683 \| good	0.641 \| good	5.184 \| good	0.182 \| good
2025-06-09T05:00:00.000Z	54 \| moderate	10.721 \| good	47.569 \| good	33.364 \| good	0.638 \| good	5.019 \| good	0.179 \| good
2025-06-09T06:00:00.000Z	52 \| moderate	10.44 \| good	46.407 \| good	34.892 \| good	0.635 \| good	4.855 \| good	0.175 \| good
2025-06-09T07:00:00.000Z	52 \| moderate	9.958 \| good	44.55 \| good	36.321 \| good	0.819 \| good	5.025 \| good	0.181 \| good
2025-06-09T08:00:00.000Z	52 \| moderate	9.858 \| good	44.174 \| good	34.809 \| good	0.82 \| good	4.896 \| good	0.176 \| good
2025-06-09T09:00:00.000Z	56 \| moderate	11.674 \| good	51.104 \| good	31.023 \| good	0.821 \| good	4.768 \| good	0.171 \| good
2025-06-09T10:00:00.000Z	54 \| moderate	11.261 \| good	49.679 \| good	25.776 \| good	1.144 \| good	6.275 \| good	0.207 \| good
2025-06-09T11:00:00.000Z	54 \| moderate	11 \| good	48.535 \| good	29.382 \| good	1.174 \| good	6.397 \| good	0.2 \| good
2025-06-09T12:00:00.000Z	54 \| moderate	11.154 \| good	49.576 \| good	33.24 \| good	1.203 \| good	6.52 \| good	0.193 \| good
2025-06-09T13:00:00.000Z	58 \| moderate	12.601 \| fine	57.023 \| fine	34.94 \| good	1.53 \| good	7.254 \| good	0.215 \| good
2025-06-09T14:00:00.000Z	58 \| moderate	13.176 \| fine	59.062 \| fine	38.827 \| good	1.615 \| good	7.884 \| good	0.212 \| good
2025-06-09T15:00:00.000Z	58 \| moderate	13.295 \| fine	60.179 \| fine	42.215 \| good	1.7 \| good	8.515 \| good	0.208 \| good
2025-06-09T16:00:00.000Z	62 \| moderate	15.395 \| fine	69.043 \| fine	46.922 \| good	1.168 \| good	4.703 \| good	0.229 \| good
2025-06-09T17:00:00.000Z	62 \| moderate	14.817 \| fine	65.585 \| fine	49.282 \| good	1.307 \| good	5.6 \| good	0.227 \| good
2025-06-09T18:00:00.000Z	64 \| moderate	15.608 \| fine	69.455 \| fine	46.837 \| good	1.447 \| good	6.496 \| good	0.224 \| good
2025-06-09T19:00:00.000Z	62 \| moderate	14.952 \| fine	66.537 \| fine	47.818 \| good	0.824 \| good	3.531 \| good	0.25 \| good
2025-06-09T20:00:00.000Z	60 \| moderate	14.465 \| fine	64.647 \| fine	47.178 \| good	0.854 \| good	4.123 \| good	0.249 \| good
2025-06-09T21:00:00.000Z	58 \| moderate	12.745 \| fine	57.25 \| fine	44.533 \| good	0.885 \| good	4.715 \| good	0.248 \| good
2025-06-09T22:00:00.000Z	52 \| moderate	9.646 \| good	42.964 \| good	42.578 \| good	0.938 \| good	9.713 \| good	0.319 \| good

Princeton

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Princeton, New Jersey

0.43ppm

How accurate is New Jersey, USA air quality data?

The air quality data for New Jersey, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Princeton, New Jersey get updated?

Air quality updates for Princeton, New Jersey are available every hour.

What time in the past 24 hours saw the poorest air quality in Princeton, New Jersey?

Princeton, New Jersey experienced its worst air quality at 10:00:00, 2025-06-06.

When was air quality in Princeton, New Jersey the best over the past 24 hours?

The best air quality in Princeton, New Jersey was observed at 09:00:00 on 2025-06-07.

What is the air quality in Princeton, New Jersey right now?

The air quality in Princeton, New Jersey right now is Good, with an AQI of 49.

What pollutant is most frequently found in Princeton, New Jersey?

In Princeton, New Jersey, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Princeton, New Jersey is poor?

When air quality in Princeton, New Jersey is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Princeton, New Jersey right now?

Princeton, New Jersey currently has a PM_2.5 concentration of 9.312 μg/m³.

What is the current level of PM₁₀ in Princeton, New Jersey?

Princeton, New Jersey currently has a PM₁₀ concentration of 40.978 μg/m³.

What is the current level of carbon monoxide (CO) in Princeton, New Jersey?

The current carbon monoxide (CO) level in Princeton, New Jersey is 0.403 ppm.

What is the current level of sulfur dioxide (SO₂) in Princeton, New Jersey?

The current sulfur dioxide (SO₂) concentration in Princeton, New Jersey is 0.359 ppb.

What is the current level of ozone (O₃) in Princeton, New Jersey?

Princeton, New Jersey currently has an ozone (O₃) concentration of 31.011 ppm.

What is the current level of nitrogen dioxide (NO₂) in Princeton, New Jersey?

The current level of nitrogen dioxide (NO₂) in Princeton, New Jersey is 2.338 ppb.

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