What is the current concentration of PM10 in Cambridge, Massachusetts?

The current PM10 concentration at Cambridge, Massachusetts is 12.516 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Cambridge, Massachusetts?

The current sulfur dioxide (SO2) concentration at Cambridge, Massachusetts is 0.554 ppb.

What is the current concentration of ozone (O3) in Cambridge, Massachusetts?

The current ozone (O3) concentration at Cambridge, Massachusetts is 25.609 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Cambridge, Massachusetts?

The current nitrogen dioxide (NO2) concentration at Cambridge, Massachusetts is 8.983 ppb.

Cambridge, Massachusetts live air quality index now

Q: What is the current concentration of PM2.5 in Cambridge, Massachusetts?

The current PM2.5 concentration at Cambridge, Massachusetts is 2.98 μg/m3.

Stay updated with real-time air quality in Cambridge, Massachusetts 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

Cambridge, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Cambridge, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.52 μg/m³

155

255

425

605+

Ozone (O₃)

25.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Cambridge, Massachusetts

Scroll To Air Quality Map

Track live Cambridge, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T04:00:00.000Z	30 \| good	5.107 \| good	22.141 \| good	32.28 \| good	0.309 \| good	12.887 \| good	0.25 \| good
2026-02-10T05:00:00.000Z	29 \| good	5.008 \| good	21.534 \| good	31.421 \| good	0.497 \| good	13.734 \| good	0.292 \| good
2026-02-10T06:00:00.000Z	28 \| good	4.919 \| good	20.462 \| good	29.877 \| good	0.323 \| good	16.006 \| good	0.25 \| good
2026-02-10T07:00:00.000Z	27 \| good	4.919 \| good	20.462 \| good	29.491 \| good	0.324 \| good	15.876 \| good	0.246 \| good
2026-02-10T08:00:00.000Z	27 \| good	4.739 \| good	19.857 \| good	27.733 \| good	0.373 \| good	17.21 \| good	0.246 \| good
2026-02-10T09:00:00.000Z	27 \| good	4.81 \| good	19.931 \| good	24.442 \| good	0.384 \| good	24.481 \| good	0.336 \| good
2026-02-10T10:00:00.000Z	27 \| good	5.195 \| good	21.736 \| good	20.796 \| good	0.35 \| good	27.032 \| good	0.396 \| good
2026-02-10T11:00:00.000Z	33 \| good	5.751 \| good	24.082 \| good	17.252 \| good	0.477 \| good	30.85 \| good	0.496 \| good
2026-02-10T12:00:00.000Z	38 \| good	6.979 \| good	30.266 \| good	14.867 \| good	0.633 \| good	32.361 \| good	0.666 \| good
2026-02-10T13:00:00.000Z	38 \| good	6.979 \| good	30.266 \| good	12.578 \| good	0.623 \| good	32.025 \| good	0.681 \| good
2026-02-10T14:00:00.000Z	49 \| good	8.736 \| good	37.74 \| good	18.788 \| good	0.886 \| good	29.788 \| good	0.61 \| good
2026-02-10T15:00:00.000Z	49 \| good	8.509 \| good	37.057 \| good	21.991 \| good	0.629 \| good	20.831 \| good	0.359 \| good
2026-02-10T16:00:00.000Z	44 \| good	7.945 \| good	34.295 \| good	22.803 \| good	0.498 \| good	19.537 \| good	0.351 \| good
2026-02-10T17:00:00.000Z	44 \| good	8.273 \| good	36.605 \| good	24.567 \| good	0.363 \| good	16.54 \| good	0.312 \| good
2026-02-10T18:00:00.000Z	44 \| good	8.453 \| good	37.399 \| good	25.965 \| good	0.371 \| good	15.628 \| good	0.3 \| good
2026-02-10T19:00:00.000Z	49 \| good	8.729 \| good	38.322 \| good	27.626 \| good	0.302 \| good	16.917 \| good	0.299 \| good
2026-02-10T20:00:00.000Z	49 \| good	8.761 \| good	38.603 \| good	29.486 \| good	0.316 \| good	18.632 \| good	0.432 \| good
2026-02-10T21:00:00.000Z	44 \| good	8.023 \| good	34.617 \| good	26.728 \| good	0.485 \| good	22.443 \| good	0.385 \| good
2026-02-10T22:00:00.000Z	44 \| good	7.919 \| good	34.087 \| good	26.54 \| good	0.617 \| good	25.005 \| good	0.518 \| good
2026-02-10T23:00:00.000Z	44 \| good	8.386 \| good	36.472 \| good	23.301 \| good	0.928 \| good	23.726 \| good	0.575 \| good
2026-02-11T00:00:00.000Z	44 \| good	7.818 \| good	33.595 \| good	28.393 \| good	0.888 \| good	15.049 \| good	0.442 \| good
2026-02-11T01:00:00.000Z	38 \| good	7.115 \| good	29.96 \| good	24.133 \| good	3.105 \| good	14.387 \| good	0.528 \| good
2026-02-11T02:00:00.000Z	38 \| good	7.066 \| good	29.372 \| good	23.015 \| good	0.669 \| good	15.651 \| good	0.494 \| good
2026-02-11T03:00:00.000Z	38 \| good	6.901 \| good	28.36 \| good	28.953 \| good	0.675 \| good	16.204 \| good	0.451 \| good
2026-02-11T04:00:00.000Z	38 \| good	7.263 \| good	29.89 \| good	26.366 \| good	3.624 \| good	15.935 \| good	0.494 \| good
2026-02-11T05:00:00.000Z	49 \| good	9.203 \| good	37.727 \| good	29.253 \| good	8.798 \| good	17.282 \| good	0.444 \| good
2026-02-11T06:00:00.000Z	52 \| moderate	10.332 \| good	42.539 \| good	27.762 \| good	3.777 \| good	17.204 \| good	0.494 \| good
2026-02-11T07:00:00.000Z	52 \| moderate	10.332 \| good	42.539 \| good	25.887 \| good	3.529 \| good	17.054 \| good	0.494 \| good
2026-02-11T08:00:00.000Z	54 \| moderate	11.112 \| good	45.606 \| good	25.087 \| good	3.337 \| good	13.952 \| good	0.494 \| good
2026-02-11T09:00:00.000Z	60 \| moderate	13.552 \| fine	55.621 \| fine	19.823 \| good	3.188 \| good	23.413 \| good	0.503 \| good
2026-02-11T10:00:00.000Z	62 \| moderate	14.81 \| fine	59.931 \| fine	23.579 \| good	1.824 \| good	23.103 \| good	0.55 \| good
2026-02-11T11:00:00.000Z	64 \| moderate	15.507 \| fine	62.333 \| fine	15.71 \| good	1.92 \| good	21.911 \| good	0.541 \| good
2026-02-11T12:00:00.000Z	66 \| moderate	16.805 \| fine	68.032 \| fine	21.482 \| good	1.951 \| good	24.924 \| good	0.584 \| good
2026-02-11T13:00:00.000Z	66 \| moderate	16.805 \| fine	68.032 \| fine	22.261 \| good	1.868 \| good	24.618 \| good	0.583 \| good
2026-02-11T14:00:00.000Z	73 \| moderate	20.797 \| fine	82.597 \| fine	22.663 \| good	1.881 \| good	18.934 \| good	0.636 \| good
2026-02-11T15:00:00.000Z	73 \| moderate	21.288 \| fine	84.55 \| fine	25.278 \| good	1.783 \| good	17.451 \| good	0.636 \| good
2026-02-11T16:00:00.000Z	71 \| moderate	20.413 \| fine	81.143 \| fine	26.038 \| good	1.758 \| good	14.617 \| good	0.534 \| good
2026-02-11T17:00:00.000Z	67 \| moderate	17.759 \| fine	71.406 \| fine	26.152 \| good	1.781 \| good	11.757 \| good	0.529 \| good
2026-02-11T18:00:00.000Z	60 \| moderate	14.097 \| fine	57.63 \| fine	31.583 \| good	0.482 \| good	10.572 \| good	0.257 \| good
2026-02-11T19:00:00.000Z	54 \| moderate	10.691 \| good	43.251 \| good	31.317 \| good	0.478 \| good	8.591 \| good	0.253 \| good
2026-02-11T20:00:00.000Z	44 \| good	8.067 \| good	32.272 \| good	30.671 \| good	0.472 \| good	8.561 \| good	0.257 \| good
2026-02-11T21:00:00.000Z	33 \| good	6.142 \| good	24.379 \| good	31.055 \| good	0.422 \| good	8.717 \| good	0.253 \| good
2026-02-11T22:00:00.000Z	28 \| good	4.497 \| good	18.054 \| good	29.924 \| good	0.396 \| good	8.497 \| good	0.256 \| good
2026-02-11T23:00:00.000Z	26 \| good	3.239 \| good	13.116 \| good	27.887 \| good	0.389 \| good	8.375 \| good	0.256 \| good
2026-02-12T00:00:00.000Z	24 \| good	2.669 \| good	10.427 \| good	25.598 \| good	0.386 \| good	8.109 \| good	0.256 \| good
2026-02-12T01:00:00.000Z	23 \| good	2.465 \| good	10.049 \| good	24.611 \| good	0.393 \| good	7.642 \| good	0.251 \| good
2026-02-12T02:00:00.000Z	24 \| good	2.51 \| good	10.443 \| good	26.235 \| good	0.406 \| good	8.192 \| good	0.251 \| good
2026-02-12T03:00:00.000Z	23 \| good	3.059 \| good	12.187 \| good	25.31 \| good	0.397 \| good	7.756 \| good	0.213 \| good
2026-02-12T03:00:00.000Z	24 \| good	2.98 \| good	12.516 \| good	25.609 \| good	0.554 \| good	8.983 \| good	0.197 \| good
2026-02-12T04:00:00.000Z	52 \| moderate	9.964 \| good	44.502 \| good	25.309 \| good	0.678 \| good	7.345 \| good	0.191 \| good
2026-02-12T05:00:00.000Z	64 \| moderate	15.62 \| fine	69.684 \| fine	32.665 \| good	0.685 \| good	5.29 \| good	0.186 \| good
2026-02-12T06:00:00.000Z	71 \| moderate	19.65 \| fine	86.904 \| fine	33.799 \| good	0.693 \| good	3.235 \| good	0.181 \| good
2026-02-12T07:00:00.000Z	60 \| moderate	13.899 \| fine	62.573 \| fine	37.196 \| good	0.647 \| good	2.917 \| good	0.175 \| good
2026-02-12T08:00:00.000Z	58 \| moderate	12.824 \| fine	57.2 \| fine	35.255 \| good	0.601 \| good	2.599 \| good	0.17 \| good
2026-02-12T09:00:00.000Z	62 \| moderate	14.67 \| fine	65.15 \| fine	32.337 \| good	0.556 \| good	2.281 \| good	0.164 \| good
2026-02-12T10:00:00.000Z	64 \| moderate	15.612 \| fine	69.219 \| fine	28.503 \| good	0.587 \| good	3.016 \| good	0.169 \| good
2026-02-12T11:00:00.000Z	79 \| moderate	23.612 \| fine	103.001 \| fine	23.017 \| good	0.618 \| good	3.752 \| good	0.174 \| good
2026-02-12T12:00:00.000Z	71 \| moderate	20.276 \| fine	89.035 \| fine	26.815 \| good	0.649 \| good	4.487 \| good	0.178 \| good
2026-02-12T13:00:00.000Z	69 \| moderate	19.243 \| fine	84.668 \| fine	31.539 \| good	0.678 \| good	4.14 \| good	0.181 \| good
2026-02-12T14:00:00.000Z	69 \| moderate	19.294 \| fine	84.986 \| fine	33.902 \| good	0.707 \| good	3.792 \| good	0.184 \| good
2026-02-12T15:00:00.000Z	52 \| moderate	10.198 \| good	45.477 \| good	36.417 \| good	0.736 \| good	3.444 \| good	0.187 \| good
2026-02-12T16:00:00.000Z	49 \| good	9.138 \| good	40.643 \| good	37.655 \| good	0.659 \| good	2.845 \| good	0.178 \| good
2026-02-12T17:00:00.000Z	49 \| good	8.864 \| good	39.409 \| good	37.187 \| good	0.582 \| good	2.245 \| good	0.17 \| good
2026-02-12T18:00:00.000Z	54 \| moderate	10.957 \| good	48.436 \| good	39.491 \| good	0.505 \| good	1.645 \| good	0.161 \| good
2026-02-12T19:00:00.000Z	49 \| good	9.217 \| good	40.814 \| good	39.988 \| good	0.519 \| good	2.288 \| good	0.162 \| good
2026-02-12T20:00:00.000Z	37 \| good	5.178 \| good	22.353 \| good	40.014 \| good	0.533 \| good	2.93 \| good	0.163 \| good
2026-02-12T21:00:00.000Z	35 \| good	2.27 \| good	9.217 \| good	37.531 \| good	0.547 \| good	3.573 \| good	0.164 \| good
2026-02-12T22:00:00.000Z	31 \| good	1.36 \| good	5.653 \| good	32.594 \| good	0.549 \| good	4.728 \| good	0.17 \| good
2026-02-12T23:00:00.000Z	24 \| good	2.989 \| good	12.009 \| good	25.614 \| good	0.55 \| good	5.883 \| good	0.175 \| good
2026-02-13T00:00:00.000Z	33 \| good	5.682 \| good	24.473 \| good	24.482 \| good	0.552 \| good	7.039 \| good	0.18 \| good
2026-02-13T01:00:00.000Z	27 \| good	5.083 \| good	22.079 \| good	25.2 \| good	0.582 \| good	6.739 \| good	0.178 \| good
2026-02-13T02:00:00.000Z	33 \| good	6.069 \| good	27.058 \| good	27.708 \| good	0.612 \| good	6.439 \| good	0.176 \| good
2026-02-13T03:00:00.000Z	38 \| good	7.433 \| good	33.003 \| good	30.743 \| good	0.642 \| good	6.139 \| good	0.174 \| good
2026-02-13T04:00:00.000Z	49 \| good	9.26 \| good	41.132 \| good	31.323 \| good	0.604 \| good	5.343 \| good	0.17 \| good
2026-02-13T05:00:00.000Z	52 \| moderate	9.848 \| good	43.726 \| good	30.964 \| good	0.565 \| good	4.547 \| good	0.165 \| good
2026-02-13T06:00:00.000Z	38 \| good	4.942 \| good	5.251 \| good	40.85 \| good	0.526 \| good	3.783 \| good	0.16 \| good
2026-02-13T07:00:00.000Z	27 \| good	5.306 \| good	22.887 \| good	28.58 \| good	0.5 \| good	3.453 \| good	0.158 \| good
2026-02-13T08:00:00.000Z	24 \| good	3.499 \| good	15.549 \| good	26.32 \| good	0.474 \| good	3.156 \| good	0.155 \| good
2026-02-13T09:00:00.000Z	24 \| good	2.63 \| good	10.728 \| good	25.965 \| good	0.448 \| good	2.858 \| good	0.152 \| good
2026-02-13T10:00:00.000Z	23 \| good	3.33 \| good	14.281 \| good	24.787 \| good	0.491 \| good	4.063 \| good	0.158 \| good
2026-02-13T11:00:00.000Z	20 \| good	2.412 \| good	9.818 \| good	22.327 \| good	0.534 \| good	5.268 \| good	0.165 \| good
2026-02-13T12:00:00.000Z	32 \| good	4.424 \| good	4.692 \| good	34.882 \| good	0.582 \| good	6.607 \| good	0.171 \| good
2026-02-13T13:00:00.000Z	33 \| good	5.485 \| good	5.793 \| good	35.981 \| good	0.664 \| good	6.035 \| good	0.176 \| good
2026-02-13T14:00:00.000Z	34 \| good	6.158 \| good	6.501 \| good	37.081 \| good	0.745 \| good	5.463 \| good	0.18 \| good
2026-02-13T15:00:00.000Z	35 \| good	5.217 \| good	5.538 \| good	38.18 \| good	0.826 \| good	4.891 \| good	0.184 \| good
2026-02-13T16:00:00.000Z	33 \| good	1.026 \| good	4.032 \| good	36.362 \| good	0.835 \| good	4.416 \| good	0.178 \| good
2026-02-13T17:00:00.000Z	32 \| good	0.859 \| good	3.242 \| good	34.592 \| good	0.853 \| good	3.992 \| good	0.173 \| good
2026-02-13T18:00:00.000Z	39 \| good	4.539 \| good	4.877 \| good	41.819 \| good	0.877 \| good	3.581 \| good	0.167 \| good
2026-02-13T19:00:00.000Z	38 \| good	4.472 \| good	4.812 \| good	40.713 \| good	0.862 \| good	4.855 \| good	0.173 \| good
2026-02-13T20:00:00.000Z	37 \| good	4.444 \| good	4.778 \| good	39.607 \| good	0.847 \| good	6.129 \| good	0.179 \| good
2026-02-13T21:00:00.000Z	36 \| good	5.701 \| good	6.062 \| good	38.501 \| good	0.832 \| good	7.403 \| good	0.185 \| good
2026-02-13T22:00:00.000Z	49 \| good	8.904 \| good	9.356 \| good	32.408 \| good	0.838 \| good	12.654 \| good	0.217 \| good
2026-02-13T23:00:00.000Z	56 \| moderate	11.657 \| good	12.185 \| good	26.315 \| good	0.845 \| good	17.905 \| good	0.248 \| good
2026-02-14T00:00:00.000Z	54 \| moderate	11.242 \| good	11.776 \| good	20.222 \| good	0.852 \| good	23.156 \| good	0.279 \| good
2026-02-14T01:00:00.000Z	20 \| good	2.819 \| good	11.855 \| good	22.354 \| good	0.812 \| good	19.675 \| good	0.261 \| good
2026-02-14T02:00:00.000Z	52 \| moderate	9.677 \| good	10.122 \| good	25.346 \| good	0.779 \| good	16.574 \| good	0.243 \| good
2026-02-14T03:00:00.000Z	52 \| moderate	9.564 \| good	9.936 \| good	27.908 \| good	0.743 \| good	13.283 \| good	0.225 \| good

Cambridge

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Cambridge, Massachusetts air quality map: Track AQI near you

0.24ppm

How accurate is Massachusetts, USA air quality data?

Air quality data and pollutant measurements for Massachusetts, 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 Cambridge, Massachusetts updated?

The air quality for Cambridge, Massachusetts is updated every hour.

When was the worst air quality at Cambridge, Massachusetts in the last 24 hrs?

The worst air quality in Cambridge, Massachusetts in the last 24 hours was observed at 03:00:00 on 2026-02-11.

When was the best air quality at Cambridge, Massachusetts in the last 24 hrs?

In the last 24 hrs, the best air quality in Cambridge, Massachusetts was observed at 01:00:00 on 2026-02-12.

What is the current air quality in Cambridge, Massachusetts?

The current air quality in Cambridge, Massachusetts is 24, categorized as Good based on real-time data.

What pollutant is the most common in Cambridge, Massachusetts?

The most common pollutant in Cambridge, Massachusetts is O3.

What should I do if the air quality in Cambridge, Massachusetts is poor?

If the air quality in Cambridge, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Cambridge, Massachusetts?

The current PM_2.5 concentration at Cambridge, Massachusetts is 2.98 μg/m³.

What is the current concentration of PM₁₀ in Cambridge, Massachusetts?

The current PM₁₀ concentration at Cambridge, Massachusetts is 12.516 μg/m³.

What is the current concentration of carbon monoxide (CO) in Cambridge, Massachusetts?

The current carbon monoxide (CO) concentration at Cambridge, Massachusetts is 0.197 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Cambridge, Massachusetts?

The current sulfur dioxide (SO₂) concentration at Cambridge, Massachusetts is 0.554 ppb.

What is the current concentration of ozone (O₃) in Cambridge, Massachusetts?

The current ozone (O₃) concentration at Cambridge, Massachusetts is 25.609 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Cambridge, Massachusetts?

The current nitrogen dioxide (NO₂) concentration at Cambridge, Massachusetts is 8.983 ppb.

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