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

Princeton, New Jersey currently has a PM10 concentration of 153.519 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 0.899 ppb.

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

Princeton, New Jersey currently has an ozone (O3) concentration of 38.155 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 4.283 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)

Common air pollutants in Princeton, New Jersey

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.54 μg/m³

155

255

425

605+

Ozone (O₃)

30.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.58 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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
2025-07-30T23:00:00.000Z	105 \| sensitive	18.823 \| fine	81.684 \| fine	72.35 \| moderate	0.84 \| good	10.139 \| good	0.426 \| good
2025-07-31T00:00:00.000Z	93 \| moderate	18.385 \| fine	77.045 \| fine	68.342 \| fine	0.878 \| good	8.554 \| good	0.38 \| good
2025-07-31T01:00:00.000Z	75 \| moderate	21.676 \| fine	91.29 \| fine	60.255 \| fine	0.726 \| good	4.799 \| good	0.377 \| good
2025-07-31T02:00:00.000Z	82 \| moderate	25.727 \| fine	107.713 \| fine	51.236 \| good	0.586 \| good	7.458 \| good	0.441 \| good
2025-07-31T03:00:00.000Z	67 \| moderate	17.577 \| fine	76.932 \| fine	42.254 \| good	0.674 \| good	10.89 \| good	0.414 \| good
2025-07-31T04:00:00.000Z	56 \| moderate	12.37 \| fine	52.222 \| good	41.978 \| good	0.777 \| good	9.996 \| good	0.431 \| good
2025-07-31T05:00:00.000Z	54 \| moderate	10.759 \| good	47.18 \| good	39.036 \| good	0.954 \| good	9.101 \| good	0.415 \| good
2025-07-31T06:00:00.000Z	54 \| moderate	10.608 \| good	47.204 \| good	35.43 \| good	1.414 \| good	8.062 \| good	0.399 \| good
2025-07-31T07:00:00.000Z	60 \| moderate	13.823 \| fine	55.792 \| fine	31.573 \| good	1.167 \| good	8.795 \| good	0.354 \| good
2025-07-31T08:00:00.000Z	52 \| moderate	10.455 \| good	45.569 \| good	26.89 \| good	0.611 \| good	11.114 \| good	0.35 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	10.205 \| good	46.489 \| good	25.163 \| good	0.571 \| good	10.999 \| good	0.35 \| good
2025-07-31T10:00:00.000Z	52 \| moderate	10.303 \| good	44.245 \| good	26.176 \| good	0.896 \| good	10.031 \| good	0.352 \| good
2025-07-31T11:00:00.000Z	56 \| moderate	11.964 \| good	52.833 \| good	22.946 \| good	0.954 \| good	9.979 \| good	0.353 \| good
2025-07-31T12:00:00.000Z	58 \| moderate	12.69 \| fine	55.675 \| fine	20.259 \| good	0.751 \| good	10.551 \| good	0.403 \| good
2025-07-31T13:00:00.000Z	56 \| moderate	12.173 \| fine	53.598 \| good	19.725 \| good	0.811 \| good	15.429 \| good	0.456 \| good
2025-07-31T14:00:00.000Z	56 \| moderate	12.003 \| good	51.028 \| good	23.04 \| good	0.725 \| good	16.507 \| good	0.498 \| good
2025-07-31T15:00:00.000Z	62 \| moderate	15.454 \| fine	66.474 \| fine	29.64 \| good	0.582 \| good	11.467 \| good	0.48 \| good
2025-07-31T16:00:00.000Z	67 \| moderate	17.821 \| fine	79.274 \| fine	35.853 \| good	1.006 \| good	8.013 \| good	0.431 \| good
2025-07-31T17:00:00.000Z	71 \| moderate	19.562 \| fine	85.802 \| fine	42.886 \| good	1.265 \| good	6.9 \| good	0.399 \| good
2025-07-31T18:00:00.000Z	71 \| moderate	19.647 \| fine	84.604 \| fine	46.477 \| good	0.544 \| good	6.741 \| good	0.373 \| good
2025-07-31T19:00:00.000Z	71 \| moderate	20.478 \| fine	89.033 \| fine	47.676 \| good	0.678 \| good	7.809 \| good	0.374 \| good
2025-07-31T20:00:00.000Z	67 \| moderate	18.278 \| fine	79.042 \| fine	42.308 \| good	0.491 \| good	7.094 \| good	0.389 \| good
2025-07-31T21:00:00.000Z	58 \| moderate	13.093 \| fine	59.948 \| fine	45.536 \| good	0.391 \| good	12.986 \| good	0.437 \| good
2025-07-31T22:00:00.000Z	56 \| moderate	11.699 \| good	53.142 \| good	39.344 \| good	0.336 \| good	15.556 \| good	0.46 \| good
2025-07-31T23:00:00.000Z	44 \| good	7.765 \| good	33.962 \| good	31.088 \| good	1.513 \| good	8.818 \| good	0.242 \| good
2025-08-01T00:00:00.000Z	66 \| moderate	16.965 \| fine	75.572 \| fine	30.514 \| good	0.365 \| good	10.88 \| good	0.493 \| good
2025-08-01T01:00:00.000Z	67 \| moderate	17.917 \| fine	78.853 \| fine	22.11 \| good	0.324 \| good	7.796 \| good	0.476 \| good
2025-08-01T02:00:00.000Z	75 \| moderate	21.857 \| fine	96.112 \| fine	18.604 \| good	0.247 \| good	6.308 \| good	0.468 \| good
2025-08-01T03:00:00.000Z	75 \| moderate	22.221 \| fine	98.589 \| fine	17.16 \| good	0.294 \| good	7.625 \| good	0.473 \| good
2025-08-01T04:00:00.000Z	96 \| moderate	30.885 \| fine	146.335 \| fine	17.853 \| good	0.218 \| good	6.223 \| good	0.473 \| good
2025-08-01T05:00:00.000Z	81 \| moderate	25.099 \| fine	108.485 \| fine	16.668 \| good	0.21 \| good	6.344 \| good	0.428 \| good
2025-08-01T06:00:00.000Z	81 \| moderate	24.953 \| fine	108.645 \| fine	15.189 \| good	0.231 \| good	6.198 \| good	0.429 \| good
2025-08-01T07:00:00.000Z	60 \| moderate	13.699 \| fine	57.7 \| fine	16.774 \| good	0.206 \| good	4.321 \| good	0.412 \| good
2025-08-01T08:00:00.000Z	33 \| good	5.744 \| good	24.276 \| good	20.668 \| good	0.196 \| good	4.858 \| good	0.395 \| good
2025-08-01T09:00:00.000Z	27 \| good	4.934 \| good	21.586 \| good	19.033 \| good	0.227 \| good	5.157 \| good	0.352 \| good
2025-08-01T10:00:00.000Z	22 \| good	3.937 \| good	17.989 \| good	18.302 \| good	0.197 \| good	6.563 \| good	0.352 \| good
2025-08-01T11:00:00.000Z	38 \| good	7.119 \| good	32.311 \| good	25.169 \| good	0.195 \| good	7.186 \| good	0.395 \| good
2025-08-01T12:00:00.000Z	52 \| moderate	9.706 \| good	44.095 \| good	26.471 \| good	0.195 \| good	8.708 \| good	0.422 \| good
2025-08-01T13:00:00.000Z	54 \| moderate	10.921 \| good	46.04 \| good	27.21 \| good	0.164 \| good	9.022 \| good	0.381 \| good
2025-08-01T14:00:00.000Z	52 \| moderate	10.063 \| good	45.037 \| good	25.806 \| good	0.223 \| good	7.755 \| good	0.38 \| good
2025-08-01T15:00:00.000Z	33 \| good	6.336 \| good	27.434 \| good	25.267 \| good	0.24 \| good	8.629 \| good	0.388 \| good
2025-08-01T16:00:00.000Z	54 \| moderate	11.435 \| good	50.342 \| good	25.763 \| good	0.24 \| good	8.704 \| good	0.354 \| good
2025-08-01T17:00:00.000Z	62 \| moderate	15.315 \| fine	66.236 \| fine	24.196 \| good	0.24 \| good	8.524 \| good	0.398 \| good
2025-08-01T18:00:00.000Z	62 \| moderate	15.423 \| fine	67.797 \| fine	25.957 \| good	0.241 \| good	10.542 \| good	0.398 \| good
2025-08-01T19:00:00.000Z	64 \| moderate	15.913 \| fine	69.828 \| fine	28.256 \| good	0.305 \| good	10.922 \| good	0.417 \| good
2025-08-01T20:00:00.000Z	64 \| moderate	16.256 \| fine	70.632 \| fine	31.962 \| good	0.306 \| good	8.399 \| good	0.4 \| good
2025-08-01T21:00:00.000Z	49 \| good	8.924 \| good	32.464 \| good	29.701 \| good	0.323 \| good	8.553 \| good	0.398 \| good
2025-08-01T22:00:00.000Z	38 \| good	7.163 \| good	27.537 \| good	30.851 \| good	0.582 \| good	9.689 \| good	0.428 \| good
2025-08-01T22:00:00.000Z	38 \| good	7.163 \| good	27.537 \| good	30.851 \| good	0.582 \| good	9.689 \| good	0.428 \| good
2025-07-27T01:00:00.000Z	49 \| good	8.837 \| good	38.893 \| good	22.758 \| good	1.042 \| good	7.879 \| good	0.304 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.732 \| good	33.782 \| good	21.129 \| good	1.034 \| good	7.86 \| good	0.302 \| good
2025-07-27T03:00:00.000Z	38 \| good	6.561 \| good	29.225 \| good	19.272 \| good	1.026 \| good	7.841 \| good	0.299 \| good
2025-07-27T04:00:00.000Z	33 \| good	5.682 \| good	24.62 \| good	16.946 \| good	0.947 \| good	6.813 \| good	0.286 \| good
2025-07-27T05:00:00.000Z	27 \| good	5.065 \| good	21.731 \| good	16.349 \| good	0.867 \| good	5.785 \| good	0.272 \| good
2025-07-27T06:00:00.000Z	22 \| good	3.96 \| good	17.413 \| good	15.675 \| good	0.788 \| good	4.757 \| good	0.259 \| good
2025-07-27T07:00:00.000Z	22 \| good	3.943 \| good	17.225 \| good	14.761 \| good	0.765 \| good	4.44 \| good	0.252 \| good
2025-07-27T08:00:00.000Z	22 \| good	4.25 \| good	18.45 \| good	14.618 \| good	0.741 \| good	4.123 \| good	0.245 \| good
2025-07-27T09:00:00.000Z	22 \| good	4.244 \| good	18.293 \| good	12.745 \| good	0.718 \| good	3.806 \| good	0.238 \| good
2025-07-27T10:00:00.000Z	22 \| good	3.815 \| good	16.768 \| good	12.37 \| good	0.707 \| good	4.011 \| good	0.236 \| good
2025-07-27T11:00:00.000Z	22 \| good	4.042 \| good	17.67 \| good	9.565 \| good	0.697 \| good	4.217 \| good	0.235 \| good
2025-07-27T12:00:00.000Z	33 \| good	5.551 \| good	23.967 \| good	9.783 \| good	0.686 \| good	4.422 \| good	0.233 \| good
2025-07-27T13:00:00.000Z	33 \| good	6.14 \| good	26.971 \| good	11.072 \| good	0.741 \| good	4.354 \| good	0.232 \| good
2025-07-27T14:00:00.000Z	33 \| good	6.38 \| good	28.476 \| good	12.457 \| good	0.796 \| good	4.285 \| good	0.23 \| good
2025-07-27T15:00:00.000Z	33 \| good	6.041 \| good	26.743 \| good	17.678 \| good	0.852 \| good	4.217 \| good	0.229 \| good
2025-07-27T16:00:00.000Z	27 \| good	4.892 \| good	21.351 \| good	23.955 \| good	0.844 \| good	3.682 \| good	0.23 \| good
2025-07-27T17:00:00.000Z	27 \| good	4.588 \| good	20.009 \| good	23.231 \| good	0.836 \| good	3.146 \| good	0.23 \| good
2025-07-27T18:00:00.000Z	29 \| good	5.464 \| good	23.461 \| good	30.945 \| good	0.828 \| good	2.611 \| good	0.231 \| good
2025-07-27T19:00:00.000Z	35 \| good	6.421 \| good	28.532 \| good	38.428 \| good	0.837 \| good	3.578 \| good	0.236 \| good
2025-07-27T20:00:00.000Z	44 \| good	8.027 \| good	35.287 \| good	41.879 \| good	0.846 \| good	4.546 \| good	0.241 \| good
2025-07-27T21:00:00.000Z	49 \| good	8.8 \| good	38.315 \| good	42.769 \| good	0.855 \| good	5.514 \| good	0.246 \| good
2025-07-27T22:00:00.000Z	52 \| moderate	10.021 \| good	44.72 \| good	43.052 \| good	1.009 \| good	6.843 \| good	0.256 \| good
2025-07-27T23:00:00.000Z	49 \| good	9.34 \| good	41.927 \| good	46.411 \| good	1.163 \| good	8.173 \| good	0.267 \| good
2025-07-28T00:00:00.000Z	54 \| moderate	11.095 \| good	49.151 \| good	46.848 \| good	1.316 \| good	9.502 \| good	0.277 \| good
2025-07-28T01:00:00.000Z	54 \| moderate	11.165 \| good	49.288 \| good	44.88 \| good	1.379 \| good	9.641 \| good	0.278 \| good
2025-07-28T02:00:00.000Z	56 \| moderate	11.581 \| good	51.246 \| good	45.349 \| good	1.442 \| good	9.779 \| good	0.278 \| good
2025-07-28T03:00:00.000Z	52 \| moderate	10.138 \| good	45.005 \| good	41.238 \| good	1.505 \| good	9.918 \| good	0.279 \| good
2025-07-28T04:00:00.000Z	49 \| good	9.194 \| good	40.726 \| good	35.931 \| good	1.522 \| good	9.651 \| good	0.276 \| good
2025-07-28T05:00:00.000Z	49 \| good	8.52 \| good	37.473 \| good	31.5 \| good	1.538 \| good	9.384 \| good	0.273 \| good
2025-07-28T06:00:00.000Z	38 \| good	7.461 \| good	33.086 \| good	28.144 \| good	1.554 \| good	9.118 \| good	0.271 \| good
2025-07-28T07:00:00.000Z	44 \| good	8.034 \| good	35.309 \| good	23.912 \| good	1.472 \| good	7.918 \| good	0.258 \| good
2025-07-28T08:00:00.000Z	44 \| good	8.464 \| good	37.331 \| good	20.408 \| good	1.39 \| good	6.717 \| good	0.244 \| good
2025-07-28T09:00:00.000Z	52 \| moderate	9.746 \| good	43.388 \| good	20.28 \| good	1.308 \| good	5.517 \| good	0.231 \| good
2025-07-28T10:00:00.000Z	52 \| moderate	9.606 \| good	42.742 \| good	18.19 \| good	1.151 \| good	4.855 \| good	0.229 \| good
2025-07-28T11:00:00.000Z	49 \| good	9.463 \| good	41.924 \| good	18.819 \| good	0.994 \| good	4.193 \| good	0.227 \| good
2025-07-28T12:00:00.000Z	54 \| moderate	11.216 \| good	49.429 \| good	29.906 \| good	0.837 \| good	3.53 \| good	0.225 \| good
2025-07-28T13:00:00.000Z	56 \| moderate	12.092 \| good	54.341 \| good	42.588 \| good	0.87 \| good	3.289 \| good	0.22 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	10.818 \| good	48.176 \| good	51.187 \| good	0.904 \| good	3.047 \| good	0.216 \| good
2025-07-28T15:00:00.000Z	54 \| moderate	9.197 \| good	41.112 \| good	56.323 \| fine	0.938 \| good	2.805 \| good	0.211 \| good
2025-07-28T16:00:00.000Z	61 \| moderate	9.461 \| good	42.25 \| good	58.305 \| fine	0.945 \| good	2.563 \| good	0.21 \| good
2025-07-28T17:00:00.000Z	71 \| moderate	9.365 \| good	41.856 \| good	61.173 \| fine	0.952 \| good	2.322 \| good	0.209 \| good
2025-07-28T18:00:00.000Z	80 \| moderate	9.3 \| good	41.284 \| good	63.511 \| fine	0.959 \| good	2.08 \| good	0.209 \| good
2025-07-28T19:00:00.000Z	77 \| moderate	10.002 \| good	44.365 \| good	62.73 \| fine	0.965 \| good	2.241 \| good	0.213 \| good
2025-07-28T20:00:00.000Z	61 \| moderate	10.604 \| good	46.957 \| good	58.378 \| fine	0.97 \| good	2.403 \| good	0.217 \| good
2025-07-28T21:00:00.000Z	52 \| moderate	9.883 \| good	43.905 \| good	52.415 \| good	0.976 \| good	2.564 \| good	0.221 \| good
2025-07-28T22:00:00.000Z	52 \| moderate	9.968 \| good	44.39 \| good	44.197 \| good	1.013 \| good	6.126 \| good	0.255 \| good
2025-07-28T23:00:00.000Z	49 \| good	8.97 \| good	39.937 \| good	45.765 \| good	1.049 \| good	9.688 \| good	0.289 \| good
2025-07-29T00:00:00.000Z	66 \| moderate	16.994 \| fine	17.446 \| good	55.653 \| fine	1.099 \| good	13.384 \| good	0.324 \| good

Princeton

Empower business decisions with accurate air quality data

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

0.57ppm

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 11:00:00, 2025-07-26.

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 2025-07-26.

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

The air quality in Princeton, New Jersey right now is Unhealthy for Sensitive Groups, with an AQI of 102.

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 36.134 μg/m³.

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

Princeton, New Jersey currently has a PM₁₀ concentration of 153.519 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 0.572 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 0.899 ppb.

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

Princeton, New Jersey currently has an ozone (O₃) concentration of 38.155 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 4.283 ppb.

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