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

Princeton, New Jersey currently has a PM10 concentration of 30.016 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 0.587 ppb.

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

Princeton, New Jersey currently has an ozone (O3) concentration of 6.914 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 17.226 ppb.

Current air quality index in Princeton, New Jersey today

Q: What is the PM2.5 concentration in Princeton, New Jersey right now?

Princeton, New Jersey currently has a PM2.5 concentration of 6.976 μg/m3.

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)

Common air pollutants in Princeton, New Jersey

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.33 μg/m³

155

255

425

605+

Ozone (O₃)

4.60 ppb

201

201+

Sulfur Dioxide (SO₂)

1.20 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

20.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.59 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
2026-03-08T13:00:00.000Z	66 \| moderate	17.379 \| fine	74.72 \| fine	8.285 \| good	0.662 \| good	17.998 \| good	0.411 \| good
2026-03-08T14:00:00.000Z	64 \| moderate	15.74 \| fine	70.768 \| fine	9.978 \| good	0.795 \| good	15.509 \| good	0.413 \| good
2026-03-08T15:00:00.000Z	64 \| moderate	16.402 \| fine	72.282 \| fine	7.942 \| good	0.769 \| good	12.476 \| good	0.421 \| good
2026-03-08T16:00:00.000Z	66 \| moderate	16.835 \| fine	72.857 \| fine	10.884 \| good	0.9 \| good	12.234 \| good	0.423 \| good
2026-03-08T17:00:00.000Z	62 \| moderate	14.628 \| fine	64.227 \| fine	11.027 \| good	0.948 \| good	9.539 \| good	0.391 \| good
2026-03-08T18:00:00.000Z	56 \| moderate	11.617 \| good	51.617 \| good	12.59 \| good	0.882 \| good	9.434 \| good	0.354 \| good
2026-03-08T19:00:00.000Z	44 \| good	8.337 \| good	36.21 \| good	18.758 \| good	0.894 \| good	10.884 \| good	0.321 \| good
2026-03-08T20:00:00.000Z	33 \| good	6.01 \| good	26.185 \| good	29.115 \| good	0.858 \| good	8.123 \| good	0.31 \| good
2026-03-08T21:00:00.000Z	30 \| good	4.694 \| good	21.991 \| good	31.742 \| good	0.702 \| good	7.89 \| good	0.359 \| good
2026-03-08T22:00:00.000Z	31 \| good	4.629 \| good	20.188 \| good	34.013 \| good	0.724 \| good	8.777 \| good	0.42 \| good
2026-03-08T23:00:00.000Z	34 \| good	5.495 \| good	24.131 \| good	36.963 \| good	0.562 \| good	9.668 \| good	0.478 \| good
2026-03-09T00:00:00.000Z	33 \| good	5.934 \| good	26.871 \| good	35.766 \| good	0.594 \| good	11.957 \| good	0.5 \| good
2026-03-09T01:00:00.000Z	38 \| good	7.256 \| good	30.749 \| good	31.047 \| good	0.668 \| good	14.904 \| good	0.602 \| good
2026-03-09T02:00:00.000Z	44 \| good	8.178 \| good	36.665 \| good	24.962 \| good	0.649 \| good	16.423 \| good	0.716 \| good
2026-03-09T03:00:00.000Z	37 \| good	1.947 \| good	8.204 \| good	40.452 \| good	2.963 \| good	22.497 \| good	0.358 \| good
2026-03-09T04:00:00.000Z	49 \| good	9.238 \| good	40.492 \| good	16.075 \| good	1.092 \| good	17.1 \| good	0.881 \| good
2026-03-09T05:00:00.000Z	49 \| good	9.053 \| good	40.098 \| good	9.912 \| good	1.076 \| good	20.702 \| good	0.829 \| good
2026-03-09T06:00:00.000Z	44 \| good	8.138 \| good	35.458 \| good	8.001 \| good	1.043 \| good	19.448 \| good	0.778 \| good
2026-03-09T07:00:00.000Z	49 \| good	9.49 \| good	40.764 \| good	15.676 \| good	1.115 \| good	17.596 \| good	0.769 \| good
2026-03-09T08:00:00.000Z	52 \| moderate	9.952 \| good	42.126 \| good	5.361 \| good	1.124 \| good	18.3 \| good	0.675 \| good
2026-03-09T09:00:00.000Z	54 \| moderate	10.64 \| good	45.257 \| good	3.09 \| good	1.215 \| good	20.316 \| good	0.665 \| good
2026-03-09T10:00:00.000Z	44 \| good	8.036 \| good	35.154 \| good	3.546 \| good	1.47 \| good	17.99 \| good	0.633 \| good
2026-03-09T11:00:00.000Z	44 \| good	8.415 \| good	36.793 \| good	2.95 \| good	1.793 \| good	21.401 \| good	0.803 \| good
2026-03-09T12:00:00.000Z	44 \| good	8.029 \| good	34.605 \| good	3.62 \| good	2.931 \| good	23.888 \| good	1.035 \| good
2026-03-09T13:00:00.000Z	49 \| good	9.14 \| good	40.27 \| good	3.646 \| good	2.104 \| good	24.892 \| good	1.07 \| good
2026-03-09T14:00:00.000Z	52 \| moderate	10.444 \| good	45.714 \| good	4.282 \| good	2.194 \| good	30.822 \| good	1.111 \| good
2026-03-09T15:00:00.000Z	49 \| good	9.168 \| good	39.124 \| good	7.528 \| good	1.747 \| good	27.283 \| good	0.65 \| good
2026-03-09T16:00:00.000Z	38 \| good	6.817 \| good	30.61 \| good	14.257 \| good	1.57 \| good	23.372 \| good	0.425 \| good
2026-03-09T17:00:00.000Z	38 \| good	7.06 \| good	31.607 \| good	20.399 \| good	1.585 \| good	20.745 \| good	0.342 \| good
2026-03-09T18:00:00.000Z	27 \| good	4.32 \| good	18.155 \| good	28.69 \| good	0.812 \| good	11.285 \| good	0.322 \| good
2026-03-09T19:00:00.000Z	33 \| good	2.98 \| good	13.047 \| good	36.366 \| good	0.492 \| good	10.626 \| good	0.296 \| good
2026-03-09T20:00:00.000Z	39 \| good	2.766 \| good	11.993 \| good	41.507 \| good	0.518 \| good	8.843 \| good	0.292 \| good
2026-03-09T21:00:00.000Z	40 \| good	3.037 \| good	12.585 \| good	42.725 \| good	0.565 \| good	7.311 \| good	0.29 \| good
2026-03-09T22:00:00.000Z	41 \| good	2.953 \| good	12.386 \| good	44.013 \| good	0.575 \| good	7.909 \| good	0.285 \| good
2026-03-09T23:00:00.000Z	41 \| good	6.701 \| good	27.665 \| good	44.223 \| good	0.632 \| good	7.961 \| good	0.269 \| good
2026-03-10T00:00:00.000Z	41 \| good	6.551 \| good	29.997 \| good	43.651 \| good	0.731 \| good	15.33 \| good	0.298 \| good
2026-03-10T01:00:00.000Z	38 \| good	7.135 \| good	30.957 \| good	37.786 \| good	0.726 \| good	24.928 \| good	0.403 \| good
2026-03-10T02:00:00.000Z	38 \| good	7.398 \| good	33.026 \| good	35.62 \| good	0.68 \| good	24.171 \| good	0.454 \| good
2026-03-10T03:00:00.000Z	52 \| moderate	9.852 \| good	43.76 \| good	24.819 \| good	2.959 \| good	17.69 \| good	0.275 \| good
2026-03-10T04:00:00.000Z	33 \| good	6.066 \| good	27.123 \| good	25.211 \| good	0.957 \| good	21.051 \| good	0.404 \| good
2026-03-10T05:00:00.000Z	38 \| good	6.928 \| good	30.627 \| good	24.608 \| good	0.65 \| good	19.845 \| good	0.387 \| good
2026-03-10T06:00:00.000Z	38 \| good	7.107 \| good	31.716 \| good	17.144 \| good	0.469 \| good	20.414 \| good	0.35 \| good
2026-03-10T07:00:00.000Z	44 \| good	7.594 \| good	34.305 \| good	13.447 \| good	0.527 \| good	25.246 \| good	0.324 \| good
2026-03-10T08:00:00.000Z	38 \| good	6.813 \| good	29.513 \| good	8.343 \| good	0.649 \| good	19.087 \| good	0.321 \| good
2026-03-10T09:00:00.000Z	38 \| good	6.976 \| good	30.016 \| good	6.914 \| good	0.587 \| good	17.226 \| good	0.298 \| good
2026-03-10T10:00:00.000Z	44 \| good	7.516 \| good	33.129 \| good	6.921 \| good	0.653 \| good	21.288 \| good	0.35 \| good
2026-03-10T11:00:00.000Z	44 \| good	7.803 \| good	34.104 \| good	4.465 \| good	0.847 \| good	18.958 \| good	0.425 \| good
2026-03-10T12:00:00.000Z	44 \| good	7.979 \| good	35.325 \| good	4.599 \| good	1.196 \| good	20.685 \| good	0.589 \| good
2026-03-10T12:00:00.000Z	44 \| good	7.979 \| good	35.325 \| good	4.599 \| good	1.196 \| good	20.685 \| good	0.589 \| good
2026-03-10T11:00:00.000Z	58 \| moderate	12.891 \| fine	58.187 \| fine	6.894 \| good	1.928 \| good	9.936 \| good	0.244 \| good
2026-03-10T12:00:00.000Z	60 \| moderate	13.555 \| fine	60.605 \| fine	7.612 \| good	1.896 \| good	10.689 \| good	0.253 \| good
2026-03-10T13:00:00.000Z	54 \| moderate	10.939 \| good	48.604 \| good	14.637 \| good	2.072 \| good	9.928 \| good	0.259 \| good
2026-03-10T14:00:00.000Z	49 \| good	8.58 \| good	37.556 \| good	21.832 \| good	2.248 \| good	9.167 \| good	0.265 \| good
2026-03-10T15:00:00.000Z	49 \| good	8.909 \| good	38.963 \| good	32.142 \| good	2.425 \| good	8.406 \| good	0.271 \| good
2026-03-10T16:00:00.000Z	38 \| good	7.334 \| good	32.279 \| good	41.167 \| good	2.609 \| good	8.152 \| good	0.257 \| good
2026-03-10T17:00:00.000Z	46 \| good	5.982 \| good	26.38 \| good	50.171 \| good	2.793 \| good	7.898 \| good	0.242 \| good
2026-03-10T18:00:00.000Z	64 \| moderate	4.543 \| good	19.658 \| good	58.768 \| fine	2.978 \| good	7.644 \| good	0.227 \| good
2026-03-10T19:00:00.000Z	50 \| good	3.023 \| good	12.54 \| good	54.493 \| good	2.875 \| good	7.45 \| good	0.217 \| good
2026-03-10T20:00:00.000Z	45 \| good	3.332 \| good	14.283 \| good	48.645 \| good	2.772 \| good	7.255 \| good	0.206 \| good
2026-03-10T21:00:00.000Z	40 \| good	3.644 \| good	16.047 \| good	42.9 \| good	2.668 \| good	7.061 \| good	0.195 \| good
2026-03-10T22:00:00.000Z	34 \| good	4.743 \| good	20.797 \| good	37.2 \| good	2.607 \| good	11.114 \| good	0.222 \| good
2026-03-10T23:00:00.000Z	32 \| good	4.095 \| good	17.871 \| good	34.522 \| good	2.546 \| good	15.167 \| good	0.248 \| good
2026-03-11T00:00:00.000Z	30 \| good	3.731 \| good	16.193 \| good	32.14 \| good	2.485 \| good	19.22 \| good	0.275 \| good
2026-03-11T01:00:00.000Z	23 \| good	4.074 \| good	17.319 \| good	25.457 \| good	2.376 \| good	18.67 \| good	0.272 \| good
2026-03-11T02:00:00.000Z	33 \| good	5.521 \| good	24.492 \| good	24.189 \| good	2.267 \| good	18.119 \| good	0.269 \| good
2026-03-11T03:00:00.000Z	33 \| good	6.183 \| good	27.16 \| good	21.039 \| good	2.158 \| good	17.569 \| good	0.266 \| good
2026-03-11T04:00:00.000Z	38 \| good	7.003 \| good	31.185 \| good	17.171 \| good	2.048 \| good	15.977 \| good	0.257 \| good
2026-03-11T05:00:00.000Z	33 \| good	6.455 \| good	28.665 \| good	16.849 \| good	1.937 \| good	14.386 \| good	0.249 \| good
2026-03-11T06:00:00.000Z	38 \| good	6.688 \| good	29.999 \| good	17.029 \| good	1.827 \| good	12.795 \| good	0.24 \| good
2026-03-11T07:00:00.000Z	38 \| good	6.868 \| good	30.305 \| good	17.009 \| good	1.796 \| good	12.076 \| good	0.232 \| good
2026-03-11T08:00:00.000Z	49 \| good	8.64 \| good	38.059 \| good	16.511 \| good	1.765 \| good	11.358 \| good	0.224 \| good
2026-03-11T09:00:00.000Z	49 \| good	8.854 \| good	39.096 \| good	16.205 \| good	1.734 \| good	10.639 \| good	0.216 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.383 \| good	36.773 \| good	16.971 \| good	1.814 \| good	11.998 \| good	0.225 \| good
2026-03-11T11:00:00.000Z	49 \| good	9.473 \| good	42.186 \| good	10.564 \| good	1.895 \| good	13.357 \| good	0.234 \| good
2026-03-11T12:00:00.000Z	44 \| good	8.267 \| good	36.317 \| good	11.792 \| good	1.976 \| good	14.716 \| good	0.243 \| good
2026-03-11T13:00:00.000Z	44 \| good	8.151 \| good	35.914 \| good	17.095 \| good	2.119 \| good	12.888 \| good	0.239 \| good
2026-03-11T14:00:00.000Z	49 \| good	9.351 \| good	41.762 \| good	22.85 \| good	2.262 \| good	11.06 \| good	0.236 \| good
2026-03-11T15:00:00.000Z	52 \| moderate	9.521 \| good	42.395 \| good	29.072 \| good	2.404 \| good	9.231 \| good	0.232 \| good
2026-03-11T16:00:00.000Z	44 \| good	8.147 \| good	35.696 \| good	34.633 \| good	2.409 \| good	7.864 \| good	0.218 \| good
2026-03-11T17:00:00.000Z	38 \| good	6.93 \| good	30.824 \| good	39.772 \| good	2.414 \| good	6.497 \| good	0.204 \| good
2026-03-11T18:00:00.000Z	39 \| good	5.858 \| good	25.66 \| good	41.905 \| good	2.418 \| good	5.13 \| good	0.189 \| good
2026-03-11T19:00:00.000Z	37 \| good	4.489 \| good	19.683 \| good	40.103 \| good	2.166 \| good	5.073 \| good	0.182 \| good
2026-03-11T20:00:00.000Z	39 \| good	5.372 \| good	23 \| good	41.89 \| good	1.914 \| good	5.016 \| good	0.174 \| good
2026-03-11T21:00:00.000Z	41 \| good	5.318 \| good	22.615 \| good	44.219 \| good	1.661 \| good	4.96 \| good	0.167 \| good
2026-03-11T22:00:00.000Z	41 \| good	4.084 \| good	17.877 \| good	44.031 \| good	1.576 \| good	5.653 \| good	0.168 \| good
2026-03-11T23:00:00.000Z	37 \| good	3.665 \| good	16.257 \| good	39.547 \| good	1.492 \| good	6.347 \| good	0.169 \| good
2026-03-12T00:00:00.000Z	36 \| good	3.961 \| good	17.368 \| good	38.758 \| good	1.407 \| good	7.04 \| good	0.17 \| good
2026-03-12T01:00:00.000Z	36 \| good	3.795 \| good	16.648 \| good	39.333 \| good	1.418 \| good	7.196 \| good	0.166 \| good
2026-03-12T02:00:00.000Z	35 \| good	4.715 \| good	20.435 \| good	37.933 \| good	1.429 \| good	7.352 \| good	0.162 \| good
2026-03-12T03:00:00.000Z	35 \| good	4.331 \| good	19.175 \| good	38.235 \| good	1.44 \| good	7.508 \| good	0.158 \| good
2026-03-12T04:00:00.000Z	32 \| good	3.108 \| good	12.643 \| good	34.609 \| good	1.526 \| good	6.624 \| good	0.149 \| good
2026-03-12T05:00:00.000Z	29 \| good	3.403 \| good	15.007 \| good	31.476 \| good	1.613 \| good	5.74 \| good	0.14 \| good
2026-03-12T06:00:00.000Z	44 \| good	8.333 \| good	8.439 \| good	32.596 \| good	1.702 \| good	4.871 \| good	0.131 \| good
2026-03-12T07:00:00.000Z	27 \| good	4.669 \| good	20.232 \| good	26.846 \| good	1.778 \| good	4.799 \| good	0.13 \| good
2026-03-12T08:00:00.000Z	27 \| good	5.281 \| good	22.794 \| good	27.484 \| good	1.856 \| good	4.742 \| good	0.128 \| good
2026-03-12T09:00:00.000Z	25 \| good	3.322 \| good	14.529 \| good	26.635 \| good	1.935 \| good	4.685 \| good	0.127 \| good
2026-03-12T10:00:00.000Z	31 \| good	2.998 \| good	12.45 \| good	34.104 \| good	1.717 \| good	4.644 \| good	0.138 \| good

Princeton

Empower business decisions with accurate air quality data

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

0.30ppm

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 03:00:00, 2026-03-10.

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 06:00:00 on 2026-03-09.

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 38.

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 6.976 μg/m³.

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

Princeton, New Jersey currently has a PM₁₀ concentration of 30.016 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 0.298 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 0.587 ppb.

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

Princeton, New Jersey currently has an ozone (O₃) concentration of 6.914 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 17.226 ppb.

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