What are the current PM10 levels at Boston, Massachusetts?

The current PM10 levels in Boston, Massachusetts are 85.734 μg/m3.

What are the current sulfur dioxide (SO2) levels at Boston, Massachusetts?

The current sulfur dioxide (SO2) levels in Boston, Massachusetts are 0.512 ppb.

What are the current ozone (O3) levels at Boston, Massachusetts?

The current ozone (O3) levels at Boston, Massachusetts is 43.043 ppm.

What are the current nitrogen dioxide (NO2) levels at Boston, Massachusetts?

The current nitrogen dioxide (NO2) levels at Boston, Massachusetts is 7.099 ppb.

Live air quality index in Boston, Massachusetts today

Name: Live air pollution levels in Boston, Massachusetts today
Creator: Ambee

Stay updated with real-time air quality in Boston, 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)

Moderate

Boston, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Boston, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

20.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

85.73 μg/m³

155

255

425

605+

Ozone (O₃)

43.04 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.10 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Boston, Massachusetts

Get Live Pollen Counts

Boston, Massachusetts

Scroll To Air Quality Map

Track live Boston, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T18:00:00.000Z	80 \| moderate	22.59 \| fine	97.053 \| fine	64.359 \| fine	0.449 \| good	9.787 \| good	0.347 \| good
2025-06-05T19:00:00.000Z	73 \| moderate	21.454 \| fine	92.16 \| fine	59.827 \| fine	0.496 \| good	8.438 \| good	0.295 \| good
2025-06-05T20:00:00.000Z	84 \| moderate	22.21 \| fine	95.878 \| fine	65.18 \| fine	0.371 \| good	6.909 \| good	0.34 \| good
2025-06-05T21:00:00.000Z	97 \| moderate	22.472 \| fine	95.879 \| fine	68.954 \| fine	0.523 \| good	10.041 \| good	0.34 \| good
2025-06-05T22:00:00.000Z	90 \| moderate	22.169 \| fine	94.304 \| fine	66.669 \| fine	0.502 \| good	11.27 \| good	0.391 \| good
2025-06-05T23:00:00.000Z	84 \| moderate	21.623 \| fine	92.79 \| fine	64.609 \| fine	0.575 \| good	13.081 \| good	0.395 \| good
2025-06-06T00:00:00.000Z	75 \| moderate	21.781 \| fine	92.913 \| fine	59.509 \| fine	0.507 \| good	9.55 \| good	0.398 \| good
2025-06-06T01:00:00.000Z	75 \| moderate	21.74 \| fine	92.605 \| fine	56.566 \| fine	0.499 \| good	8.521 \| good	0.398 \| good
2025-06-06T02:00:00.000Z	75 \| moderate	21.642 \| fine	92.52 \| fine	53.963 \| good	0.499 \| good	9.796 \| good	0.398 \| good
2025-06-06T03:00:00.000Z	93 \| moderate	21.576 \| fine	92.477 \| fine	68.451 \| fine	0.511 \| good	10.254 \| good	0.401 \| good
2025-06-06T04:00:00.000Z	87 \| moderate	21.576 \| fine	92.477 \| fine	66.156 \| fine	0.518 \| good	8.466 \| good	0.393 \| good
2025-06-06T05:00:00.000Z	75 \| moderate	21.576 \| fine	92.477 \| fine	53.253 \| good	0.724 \| good	13.351 \| good	0.279 \| good
2025-06-06T06:00:00.000Z	75 \| moderate	18.392 \| fine	103.188 \| fine	57.873 \| fine	0.727 \| good	16.455 \| good	0.22 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.439 \| fine	69.909 \| fine	49.106 \| good	0.519 \| good	6.147 \| good	0.296 \| good
2025-06-06T08:00:00.000Z	73 \| moderate	21.249 \| fine	89.79 \| fine	52.954 \| good	0.505 \| good	7.445 \| good	0.292 \| good
2025-06-06T09:00:00.000Z	73 \| moderate	20.995 \| fine	89.487 \| fine	46.767 \| good	0.602 \| good	9.524 \| good	0.298 \| good
2025-06-06T10:00:00.000Z	73 \| moderate	21.027 \| fine	89.604 \| fine	41.121 \| good	0.571 \| good	8.014 \| good	0.298 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.045 \| fine	85.734 \| fine	43.043 \| good	0.512 \| good	7.099 \| good	0.26 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	18.878 \| fine	80.176 \| fine	39.076 \| good	0.563 \| good	17.83 \| good	0.254 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.269 \| fine	74.403 \| fine	38.588 \| good	0.579 \| good	13.893 \| good	0.249 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.905 \| fine	69.834 \| fine	38.791 \| good	0.538 \| good	10.08 \| good	0.249 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	14.843 \| fine	64.091 \| fine	39.011 \| good	0.304 \| good	10.624 \| good	0.249 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.302 \| fine	61.984 \| fine	45.909 \| good	0.553 \| good	8.26 \| good	0.249 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.958 \| fine	61.393 \| fine	44.014 \| good	0.471 \| good	5.3 \| good	0.202 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.894 \| fine	61.734 \| fine	37.976 \| good	0.524 \| good	5.238 \| good	0.249 \| good
2025-06-06T19:00:00.000Z	62 \| moderate	14.52 \| fine	63.894 \| fine	36.779 \| good	0.261 \| good	10.269 \| good	0.254 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.341 \| fine	67.577 \| fine	35.255 \| good	0.359 \| good	10.57 \| good	0.205 \| good
2025-06-06T21:00:00.000Z	62 \| moderate	15.262 \| fine	67.412 \| fine	34.071 \| good	0.808 \| good	9.132 \| good	0.257 \| good
2025-06-06T22:00:00.000Z	62 \| moderate	15.295 \| fine	67.444 \| fine	33.791 \| good	0.597 \| good	11.742 \| good	0.254 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.589 \| fine	67.887 \| fine	37.535 \| good	0.689 \| good	9.426 \| good	0.21 \| good
2025-06-07T00:00:00.000Z	64 \| moderate	16.32 \| fine	70.277 \| fine	35.51 \| good	0.742 \| good	10.903 \| good	0.257 \| good
2025-06-07T01:00:00.000Z	67 \| moderate	17.677 \| fine	75.761 \| fine	34.46 \| good	0.596 \| good	18.813 \| good	0.299 \| good
2025-06-07T02:00:00.000Z	69 \| moderate	18.894 \| fine	81.467 \| fine	38.809 \| good	0.522 \| good	12.278 \| good	0.343 \| good
2025-06-07T03:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	33.11 \| good	0.68 \| good	13.023 \| good	0.291 \| good
2025-06-07T04:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	37.17 \| good	0.647 \| good	16.967 \| good	0.29 \| good
2025-06-07T05:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	37.806 \| good	0.942 \| good	5.404 \| good	0.148 \| good
2025-06-07T06:00:00.000Z	38 \| good	7.276 \| good	24.373 \| good	32.922 \| good	0.923 \| good	8.263 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.729 \| good	20.784 \| good	31.436 \| good	0.473 \| good	4.968 \| good	0.288 \| good
2025-06-07T08:00:00.000Z	67 \| moderate	17.861 \| fine	76.024 \| fine	35.147 \| good	0.493 \| good	5.222 \| good	0.288 \| good
2025-06-07T09:00:00.000Z	66 \| moderate	16.948 \| fine	72.43 \| fine	26.426 \| good	0.515 \| good	5.855 \| good	0.292 \| good
2025-06-07T10:00:00.000Z	60 \| moderate	13.801 \| fine	60.265 \| fine	26.335 \| good	0.497 \| good	4.726 \| good	0.201 \| good
2025-06-07T11:00:00.000Z	54 \| moderate	10.896 \| good	47.309 \| good	21.57 \| good	0.489 \| good	4.346 \| good	0.201 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	12.432 \| fine	55.352 \| fine	17.417 \| good	0.596 \| good	6.03 \| good	0.201 \| good
2025-06-07T13:00:00.000Z	64 \| moderate	16.087 \| fine	70.301 \| fine	17.361 \| good	0.578 \| good	10.175 \| good	0.294 \| good
2025-06-07T14:00:00.000Z	67 \| moderate	17.893 \| fine	77.025 \| fine	25.004 \| good	0.676 \| good	8.862 \| good	0.294 \| good
2025-06-07T15:00:00.000Z	67 \| moderate	18.244 \| fine	79.521 \| fine	25.367 \| good	0.631 \| good	7.695 \| good	0.252 \| good
2025-06-07T16:00:00.000Z	67 \| moderate	17.643 \| fine	75.815 \| fine	24.702 \| good	0.653 \| good	12.798 \| good	0.249 \| good
2025-06-06T12:00:00.000Z	71 \| moderate	20.045 \| fine	85.734 \| fine	43.043 \| good	0.512 \| good	7.099 \| good	0.26 \| good
2025-06-06T13:00:00.000Z	38 \| good	6.865 \| good	30.479 \| good	37.053 \| good	1.015 \| good	3 \| good	0.244 \| good
2025-06-06T14:00:00.000Z	38 \| good	6.249 \| good	27.495 \| good	40.965 \| good	1.016 \| good	3.302 \| good	0.248 \| good
2025-06-06T15:00:00.000Z	39 \| good	7.414 \| good	32.513 \| good	42.218 \| good	1.017 \| good	3.603 \| good	0.251 \| good
2025-06-06T16:00:00.000Z	44 \| good	7.757 \| good	34.336 \| good	39.026 \| good	1.025 \| good	2.702 \| good	0.241 \| good
2025-06-06T17:00:00.000Z	49 \| good	8.662 \| good	37.622 \| good	38.497 \| good	1.04 \| good	2.949 \| good	0.245 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	10.224 \| good	45.407 \| good	46.108 \| good	1.055 \| good	3.195 \| good	0.248 \| good
2025-06-06T19:00:00.000Z	52 \| moderate	10.166 \| good	45.405 \| good	52.355 \| good	1.007 \| good	5.679 \| good	0.261 \| good
2025-06-06T20:00:00.000Z	54 \| moderate	11.141 \| good	49.493 \| good	45.686 \| good	0.963 \| good	6.123 \| good	0.265 \| good
2025-06-06T21:00:00.000Z	54 \| moderate	11.384 \| good	50.438 \| good	39.054 \| good	0.919 \| good	6.566 \| good	0.269 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.238 \| good	49.383 \| good	37.281 \| good	1.046 \| good	10.105 \| good	0.296 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	11.043 \| good	48.417 \| good	43.603 \| good	0.989 \| good	11.172 \| good	0.303 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	9.597 \| good	43.054 \| good	45.986 \| good	0.933 \| good	12.239 \| good	0.31 \| good
2025-06-07T01:00:00.000Z	49 \| good	9.126 \| good	41.163 \| good	47.186 \| good	0.915 \| good	10.61 \| good	0.28 \| good
2025-06-07T02:00:00.000Z	52 \| moderate	10.299 \| good	45.297 \| good	47.21 \| good	0.893 \| good	11.152 \| good	0.276 \| good
2025-06-07T03:00:00.000Z	54 \| moderate	10.978 \| good	48.837 \| good	41.829 \| good	0.871 \| good	11.694 \| good	0.272 \| good
2025-06-07T04:00:00.000Z	49 \| good	8.626 \| good	37.967 \| good	33.691 \| good	0.257 \| good	4.118 \| good	0.168 \| good
2025-06-07T05:00:00.000Z	38 \| good	6.668 \| good	29.847 \| good	35.198 \| good	0.276 \| good	4.305 \| good	0.166 \| good
2025-06-07T06:00:00.000Z	35 \| good	5.993 \| good	26.875 \| good	37.746 \| good	0.295 \| good	4.493 \| good	0.164 \| good
2025-06-07T07:00:00.000Z	34 \| good	5.686 \| good	24.029 \| good	37.44 \| good	0.198 \| good	2.379 \| good	0.13 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.187 \| good	31.779 \| good	34.314 \| good	0.226 \| good	2.543 \| good	0.13 \| good
2025-06-07T09:00:00.000Z	44 \| good	8.16 \| good	35.923 \| good	35.327 \| good	0.253 \| good	2.708 \| good	0.129 \| good
2025-06-07T10:00:00.000Z	49 \| good	8.629 \| good	37.916 \| good	28.667 \| good	0.277 \| good	3.395 \| good	0.131 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.395 \| good	45.92 \| good	27.525 \| good	0.316 \| good	3.657 \| good	0.131 \| good
2025-06-07T12:00:00.000Z	54 \| moderate	10.713 \| good	47.808 \| good	29.425 \| good	0.355 \| good	3.918 \| good	0.132 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	11.517 \| good	50.935 \| good	33.173 \| good	0.421 \| good	3.669 \| good	0.141 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.072 \| good	54.001 \| good	36.207 \| good	0.482 \| good	4.034 \| good	0.142 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	12.266 \| fine	54.783 \| good	43.046 \| good	0.544 \| good	4.399 \| good	0.144 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.722 \| good	47.85 \| good	47.12 \| good	0.499 \| good	2.706 \| good	0.142 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.31 \| good	36.409 \| good	47.13 \| good	0.577 \| good	2.993 \| good	0.143 \| good
2025-06-07T18:00:00.000Z	44 \| good	8.095 \| good	35.533 \| good	45.363 \| good	0.654 \| good	3.281 \| good	0.143 \| good
2025-06-07T19:00:00.000Z	41 \| good	7.379 \| good	32.351 \| good	43.519 \| good	0.564 \| good	3.647 \| good	0.16 \| good
2025-06-07T20:00:00.000Z	45 \| good	8.447 \| good	37.121 \| good	48.686 \| good	0.688 \| good	4.214 \| good	0.161 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.427 \| good	32.31 \| good	47.065 \| good	0.812 \| good	4.782 \| good	0.162 \| good
2025-06-07T22:00:00.000Z	41 \| good	7.433 \| good	32.866 \| good	44.265 \| good	0.667 \| good	8.771 \| good	0.231 \| good
2025-06-07T23:00:00.000Z	49 \| good	8.799 \| good	38.747 \| good	39.762 \| good	0.812 \| good	10.122 \| good	0.232 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.465 \| good	42.355 \| good	31.74 \| good	0.957 \| good	11.474 \| good	0.234 \| good
2025-06-08T01:00:00.000Z	44 \| good	8.322 \| good	36.511 \| good	28.715 \| good	0.732 \| good	11.357 \| good	0.284 \| good
2025-06-08T02:00:00.000Z	44 \| good	8.144 \| good	35.599 \| good	25.188 \| good	0.885 \| good	13.524 \| good	0.286 \| good
2025-06-08T03:00:00.000Z	38 \| good	7.174 \| good	31.956 \| good	28.73 \| good	1.038 \| good	15.691 \| good	0.288 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.371 \| good	32.177 \| good	26.888 \| good	0.587 \| good	7.309 \| good	0.288 \| good
2025-06-08T05:00:00.000Z	49 \| good	8.841 \| good	39.187 \| good	29.441 \| good	0.641 \| good	8.897 \| good	0.285 \| good
2025-06-08T06:00:00.000Z	71 \| moderate	20.189 \| fine	21.016 \| good	21.531 \| good	0.712 \| good	10.678 \| good	0.284 \| good
2025-06-08T07:00:00.000Z	60 \| moderate	13.995 \| fine	62.898 \| fine	29.499 \| good	0.591 \| good	5.19 \| good	0.272 \| good
2025-06-08T08:00:00.000Z	60 \| moderate	14.076 \| fine	63.004 \| fine	25.793 \| good	0.596 \| good	6.237 \| good	0.271 \| good
2025-06-08T09:00:00.000Z	62 \| moderate	15.054 \| fine	67.12 \| fine	25.868 \| good	0.601 \| good	7.283 \| good	0.269 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.964 \| fine	58.801 \| fine	21.672 \| good	0.752 \| good	4.108 \| good	0.263 \| good
2025-06-08T11:00:00.000Z	54 \| moderate	10.913 \| good	48.194 \| good	21.693 \| good	0.804 \| good	4.667 \| good	0.268 \| good
2025-06-08T12:00:00.000Z	75 \| moderate	22.248 \| fine	22.867 \| good	32.189 \| good	0.881 \| good	5.297 \| good	0.274 \| good

Boston

Empower business decisions with accurate air quality data

Boston, Massachusetts air quality map: Real-time AQI near you

0.26ppm

How accurate is Massachusetts, USA air quality data?

Air quality measurements for Massachusetts, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Boston, Massachusetts updated?

Air quality data for Boston, Massachusetts is updated on an hourly basis.

When did Boston, Massachusetts experience the worst air quality in the last 24 hours?

The worst air quality in Boston, Massachusetts was recorded at 09:00:00 on 2025-06-05.

When did Boston, Massachusetts have its best air quality in the last 24 hours?

The best air quality in Boston, Massachusetts was recorded at 12:00:00 on 2025-06-05.

What is the real-time air quality index for Boston, Massachusetts?

The real-time air quality index in Boston, Massachusetts is 71, currently categorized as Moderate.

Which pollutant is found most often in Boston, Massachusetts?

The most common pollutant in Boston, Massachusetts is PM2.5.

What can I do if the air quality in Boston, Massachusetts is poor?

If the air quality in Boston, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Boston, Massachusetts?

The measured PM_2.5 levels in Boston, Massachusetts at present are 20.045 μg/m³.

What are the current PM₁₀ levels at Boston, Massachusetts?

The current PM₁₀ levels in Boston, Massachusetts are 85.734 μg/m³.

What are the current carbon monoxide (CO) levels at Boston, Massachusetts?

The current carbon monoxide (CO) level in Boston, Massachusetts is 0.26 ppm.

What are the current sulfur dioxide (SO₂) levels at Boston, Massachusetts?

The current sulfur dioxide (SO₂) levels in Boston, Massachusetts are 0.512 ppb.

What are the current ozone (O₃) levels at Boston, Massachusetts?

The current ozone (O₃) levels at Boston, Massachusetts is 43.043 ppm.

What are the current nitrogen dioxide (NO₂) levels at Boston, Massachusetts?

The current nitrogen dioxide (NO₂) levels at Boston, Massachusetts is 7.099 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T18:00:00.000Z	80 \| moderate	22.59 \| fine	97.053 \| fine	64.359 \| fine	0.449 \| good	9.787 \| good	0.347 \| good
2025-06-05T19:00:00.000Z	73 \| moderate	21.454 \| fine	92.16 \| fine	59.827 \| fine	0.496 \| good	8.438 \| good	0.295 \| good
2025-06-05T20:00:00.000Z	84 \| moderate	22.21 \| fine	95.878 \| fine	65.18 \| fine	0.371 \| good	6.909 \| good	0.34 \| good
2025-06-05T21:00:00.000Z	97 \| moderate	22.472 \| fine	95.879 \| fine	68.954 \| fine	0.523 \| good	10.041 \| good	0.34 \| good
2025-06-05T22:00:00.000Z	90 \| moderate	22.169 \| fine	94.304 \| fine	66.669 \| fine	0.502 \| good	11.27 \| good	0.391 \| good
2025-06-05T23:00:00.000Z	84 \| moderate	21.623 \| fine	92.79 \| fine	64.609 \| fine	0.575 \| good	13.081 \| good	0.395 \| good
2025-06-06T00:00:00.000Z	75 \| moderate	21.781 \| fine	92.913 \| fine	59.509 \| fine	0.507 \| good	9.55 \| good	0.398 \| good
2025-06-06T01:00:00.000Z	75 \| moderate	21.74 \| fine	92.605 \| fine	56.566 \| fine	0.499 \| good	8.521 \| good	0.398 \| good
2025-06-06T02:00:00.000Z	75 \| moderate	21.642 \| fine	92.52 \| fine	53.963 \| good	0.499 \| good	9.796 \| good	0.398 \| good
2025-06-06T03:00:00.000Z	93 \| moderate	21.576 \| fine	92.477 \| fine	68.451 \| fine	0.511 \| good	10.254 \| good	0.401 \| good
2025-06-06T04:00:00.000Z	87 \| moderate	21.576 \| fine	92.477 \| fine	66.156 \| fine	0.518 \| good	8.466 \| good	0.393 \| good
2025-06-06T05:00:00.000Z	75 \| moderate	21.576 \| fine	92.477 \| fine	53.253 \| good	0.724 \| good	13.351 \| good	0.279 \| good
2025-06-06T06:00:00.000Z	75 \| moderate	18.392 \| fine	103.188 \| fine	57.873 \| fine	0.727 \| good	16.455 \| good	0.22 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.439 \| fine	69.909 \| fine	49.106 \| good	0.519 \| good	6.147 \| good	0.296 \| good
2025-06-06T08:00:00.000Z	73 \| moderate	21.249 \| fine	89.79 \| fine	52.954 \| good	0.505 \| good	7.445 \| good	0.292 \| good
2025-06-06T09:00:00.000Z	73 \| moderate	20.995 \| fine	89.487 \| fine	46.767 \| good	0.602 \| good	9.524 \| good	0.298 \| good
2025-06-06T10:00:00.000Z	73 \| moderate	21.027 \| fine	89.604 \| fine	41.121 \| good	0.571 \| good	8.014 \| good	0.298 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.045 \| fine	85.734 \| fine	43.043 \| good	0.512 \| good	7.099 \| good	0.26 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	18.878 \| fine	80.176 \| fine	39.076 \| good	0.563 \| good	17.83 \| good	0.254 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.269 \| fine	74.403 \| fine	38.588 \| good	0.579 \| good	13.893 \| good	0.249 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.905 \| fine	69.834 \| fine	38.791 \| good	0.538 \| good	10.08 \| good	0.249 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	14.843 \| fine	64.091 \| fine	39.011 \| good	0.304 \| good	10.624 \| good	0.249 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.302 \| fine	61.984 \| fine	45.909 \| good	0.553 \| good	8.26 \| good	0.249 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.958 \| fine	61.393 \| fine	44.014 \| good	0.471 \| good	5.3 \| good	0.202 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.894 \| fine	61.734 \| fine	37.976 \| good	0.524 \| good	5.238 \| good	0.249 \| good
2025-06-06T19:00:00.000Z	62 \| moderate	14.52 \| fine	63.894 \| fine	36.779 \| good	0.261 \| good	10.269 \| good	0.254 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.341 \| fine	67.577 \| fine	35.255 \| good	0.359 \| good	10.57 \| good	0.205 \| good
2025-06-06T21:00:00.000Z	62 \| moderate	15.262 \| fine	67.412 \| fine	34.071 \| good	0.808 \| good	9.132 \| good	0.257 \| good
2025-06-06T22:00:00.000Z	62 \| moderate	15.295 \| fine	67.444 \| fine	33.791 \| good	0.597 \| good	11.742 \| good	0.254 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.589 \| fine	67.887 \| fine	37.535 \| good	0.689 \| good	9.426 \| good	0.21 \| good
2025-06-07T00:00:00.000Z	64 \| moderate	16.32 \| fine	70.277 \| fine	35.51 \| good	0.742 \| good	10.903 \| good	0.257 \| good
2025-06-07T01:00:00.000Z	67 \| moderate	17.677 \| fine	75.761 \| fine	34.46 \| good	0.596 \| good	18.813 \| good	0.299 \| good
2025-06-07T02:00:00.000Z	69 \| moderate	18.894 \| fine	81.467 \| fine	38.809 \| good	0.522 \| good	12.278 \| good	0.343 \| good
2025-06-07T03:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	33.11 \| good	0.68 \| good	13.023 \| good	0.291 \| good
2025-06-07T04:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	37.17 \| good	0.647 \| good	16.967 \| good	0.29 \| good
2025-06-07T05:00:00.000Z	69 \| moderate	19.191 \| fine	82.045 \| fine	37.806 \| good	0.942 \| good	5.404 \| good	0.148 \| good
2025-06-07T06:00:00.000Z	38 \| good	7.276 \| good	24.373 \| good	32.922 \| good	0.923 \| good	8.263 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.729 \| good	20.784 \| good	31.436 \| good	0.473 \| good	4.968 \| good	0.288 \| good
2025-06-07T08:00:00.000Z	67 \| moderate	17.861 \| fine	76.024 \| fine	35.147 \| good	0.493 \| good	5.222 \| good	0.288 \| good
2025-06-07T09:00:00.000Z	66 \| moderate	16.948 \| fine	72.43 \| fine	26.426 \| good	0.515 \| good	5.855 \| good	0.292 \| good
2025-06-07T10:00:00.000Z	60 \| moderate	13.801 \| fine	60.265 \| fine	26.335 \| good	0.497 \| good	4.726 \| good	0.201 \| good
2025-06-07T11:00:00.000Z	54 \| moderate	10.896 \| good	47.309 \| good	21.57 \| good	0.489 \| good	4.346 \| good	0.201 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	12.432 \| fine	55.352 \| fine	17.417 \| good	0.596 \| good	6.03 \| good	0.201 \| good
2025-06-07T13:00:00.000Z	64 \| moderate	16.087 \| fine	70.301 \| fine	17.361 \| good	0.578 \| good	10.175 \| good	0.294 \| good
2025-06-07T14:00:00.000Z	67 \| moderate	17.893 \| fine	77.025 \| fine	25.004 \| good	0.676 \| good	8.862 \| good	0.294 \| good
2025-06-07T15:00:00.000Z	67 \| moderate	18.244 \| fine	79.521 \| fine	25.367 \| good	0.631 \| good	7.695 \| good	0.252 \| good
2025-06-07T16:00:00.000Z	67 \| moderate	17.643 \| fine	75.815 \| fine	24.702 \| good	0.653 \| good	12.798 \| good	0.249 \| good
2025-06-06T12:00:00.000Z	71 \| moderate	20.045 \| fine	85.734 \| fine	43.043 \| good	0.512 \| good	7.099 \| good	0.26 \| good
2025-06-06T13:00:00.000Z	38 \| good	6.865 \| good	30.479 \| good	37.053 \| good	1.015 \| good	3 \| good	0.244 \| good
2025-06-06T14:00:00.000Z	38 \| good	6.249 \| good	27.495 \| good	40.965 \| good	1.016 \| good	3.302 \| good	0.248 \| good
2025-06-06T15:00:00.000Z	39 \| good	7.414 \| good	32.513 \| good	42.218 \| good	1.017 \| good	3.603 \| good	0.251 \| good
2025-06-06T16:00:00.000Z	44 \| good	7.757 \| good	34.336 \| good	39.026 \| good	1.025 \| good	2.702 \| good	0.241 \| good
2025-06-06T17:00:00.000Z	49 \| good	8.662 \| good	37.622 \| good	38.497 \| good	1.04 \| good	2.949 \| good	0.245 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	10.224 \| good	45.407 \| good	46.108 \| good	1.055 \| good	3.195 \| good	0.248 \| good
2025-06-06T19:00:00.000Z	52 \| moderate	10.166 \| good	45.405 \| good	52.355 \| good	1.007 \| good	5.679 \| good	0.261 \| good
2025-06-06T20:00:00.000Z	54 \| moderate	11.141 \| good	49.493 \| good	45.686 \| good	0.963 \| good	6.123 \| good	0.265 \| good
2025-06-06T21:00:00.000Z	54 \| moderate	11.384 \| good	50.438 \| good	39.054 \| good	0.919 \| good	6.566 \| good	0.269 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.238 \| good	49.383 \| good	37.281 \| good	1.046 \| good	10.105 \| good	0.296 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	11.043 \| good	48.417 \| good	43.603 \| good	0.989 \| good	11.172 \| good	0.303 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	9.597 \| good	43.054 \| good	45.986 \| good	0.933 \| good	12.239 \| good	0.31 \| good
2025-06-07T01:00:00.000Z	49 \| good	9.126 \| good	41.163 \| good	47.186 \| good	0.915 \| good	10.61 \| good	0.28 \| good
2025-06-07T02:00:00.000Z	52 \| moderate	10.299 \| good	45.297 \| good	47.21 \| good	0.893 \| good	11.152 \| good	0.276 \| good
2025-06-07T03:00:00.000Z	54 \| moderate	10.978 \| good	48.837 \| good	41.829 \| good	0.871 \| good	11.694 \| good	0.272 \| good
2025-06-07T04:00:00.000Z	49 \| good	8.626 \| good	37.967 \| good	33.691 \| good	0.257 \| good	4.118 \| good	0.168 \| good
2025-06-07T05:00:00.000Z	38 \| good	6.668 \| good	29.847 \| good	35.198 \| good	0.276 \| good	4.305 \| good	0.166 \| good
2025-06-07T06:00:00.000Z	35 \| good	5.993 \| good	26.875 \| good	37.746 \| good	0.295 \| good	4.493 \| good	0.164 \| good
2025-06-07T07:00:00.000Z	34 \| good	5.686 \| good	24.029 \| good	37.44 \| good	0.198 \| good	2.379 \| good	0.13 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.187 \| good	31.779 \| good	34.314 \| good	0.226 \| good	2.543 \| good	0.13 \| good
2025-06-07T09:00:00.000Z	44 \| good	8.16 \| good	35.923 \| good	35.327 \| good	0.253 \| good	2.708 \| good	0.129 \| good
2025-06-07T10:00:00.000Z	49 \| good	8.629 \| good	37.916 \| good	28.667 \| good	0.277 \| good	3.395 \| good	0.131 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.395 \| good	45.92 \| good	27.525 \| good	0.316 \| good	3.657 \| good	0.131 \| good
2025-06-07T12:00:00.000Z	54 \| moderate	10.713 \| good	47.808 \| good	29.425 \| good	0.355 \| good	3.918 \| good	0.132 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	11.517 \| good	50.935 \| good	33.173 \| good	0.421 \| good	3.669 \| good	0.141 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.072 \| good	54.001 \| good	36.207 \| good	0.482 \| good	4.034 \| good	0.142 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	12.266 \| fine	54.783 \| good	43.046 \| good	0.544 \| good	4.399 \| good	0.144 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.722 \| good	47.85 \| good	47.12 \| good	0.499 \| good	2.706 \| good	0.142 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.31 \| good	36.409 \| good	47.13 \| good	0.577 \| good	2.993 \| good	0.143 \| good
2025-06-07T18:00:00.000Z	44 \| good	8.095 \| good	35.533 \| good	45.363 \| good	0.654 \| good	3.281 \| good	0.143 \| good
2025-06-07T19:00:00.000Z	41 \| good	7.379 \| good	32.351 \| good	43.519 \| good	0.564 \| good	3.647 \| good	0.16 \| good
2025-06-07T20:00:00.000Z	45 \| good	8.447 \| good	37.121 \| good	48.686 \| good	0.688 \| good	4.214 \| good	0.161 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.427 \| good	32.31 \| good	47.065 \| good	0.812 \| good	4.782 \| good	0.162 \| good
2025-06-07T22:00:00.000Z	41 \| good	7.433 \| good	32.866 \| good	44.265 \| good	0.667 \| good	8.771 \| good	0.231 \| good
2025-06-07T23:00:00.000Z	49 \| good	8.799 \| good	38.747 \| good	39.762 \| good	0.812 \| good	10.122 \| good	0.232 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.465 \| good	42.355 \| good	31.74 \| good	0.957 \| good	11.474 \| good	0.234 \| good
2025-06-08T01:00:00.000Z	44 \| good	8.322 \| good	36.511 \| good	28.715 \| good	0.732 \| good	11.357 \| good	0.284 \| good
2025-06-08T02:00:00.000Z	44 \| good	8.144 \| good	35.599 \| good	25.188 \| good	0.885 \| good	13.524 \| good	0.286 \| good
2025-06-08T03:00:00.000Z	38 \| good	7.174 \| good	31.956 \| good	28.73 \| good	1.038 \| good	15.691 \| good	0.288 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.371 \| good	32.177 \| good	26.888 \| good	0.587 \| good	7.309 \| good	0.288 \| good
2025-06-08T05:00:00.000Z	49 \| good	8.841 \| good	39.187 \| good	29.441 \| good	0.641 \| good	8.897 \| good	0.285 \| good
2025-06-08T06:00:00.000Z	71 \| moderate	20.189 \| fine	21.016 \| good	21.531 \| good	0.712 \| good	10.678 \| good	0.284 \| good
2025-06-08T07:00:00.000Z	60 \| moderate	13.995 \| fine	62.898 \| fine	29.499 \| good	0.591 \| good	5.19 \| good	0.272 \| good
2025-06-08T08:00:00.000Z	60 \| moderate	14.076 \| fine	63.004 \| fine	25.793 \| good	0.596 \| good	6.237 \| good	0.271 \| good
2025-06-08T09:00:00.000Z	62 \| moderate	15.054 \| fine	67.12 \| fine	25.868 \| good	0.601 \| good	7.283 \| good	0.269 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.964 \| fine	58.801 \| fine	21.672 \| good	0.752 \| good	4.108 \| good	0.263 \| good
2025-06-08T11:00:00.000Z	54 \| moderate	10.913 \| good	48.194 \| good	21.693 \| good	0.804 \| good	4.667 \| good	0.268 \| good
2025-06-08T12:00:00.000Z	75 \| moderate	22.248 \| fine	22.867 \| good	32.189 \| good	0.881 \| good	5.297 \| good	0.274 \| good

Live air quality index in Boston, Massachusetts today

Major air pollutants in Boston, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Boston, Massachusetts air quality forecast and history

Empower business decisions with accurate air quality data

Boston, Massachusetts air quality map: Real-time AQI near you

Air quality in nearby cities

Cambridge, Massachusetts

Chelsea, Massachusetts

Somerville, Massachusetts

Everett, Massachusetts

Brookline, Massachusetts

Winthrop Town, Massachusetts

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Boston, Massachusetts updated?

When did Boston, Massachusetts experience the worst air quality in the last 24 hours?

When did Boston, Massachusetts have its best air quality in the last 24 hours?

What is the real-time air quality index for Boston, Massachusetts?

Which pollutant is found most often in Boston, Massachusetts?

What can I do if the air quality in Boston, Massachusetts is poor?

What are the current PM2.5 levels in Boston, Massachusetts?

What are the current PM10 levels at Boston, Massachusetts?

What are the current carbon monoxide (CO) levels at Boston, Massachusetts?

What are the current sulfur dioxide (SO2) levels at Boston, Massachusetts?

What are the current ozone (O3) levels at Boston, Massachusetts?

What are the current nitrogen dioxide (NO2) levels at Boston, Massachusetts?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Boston, Massachusetts?

What are the current PM₁₀ levels at Boston, Massachusetts?

What are the current sulfur dioxide (SO₂) levels at Boston, Massachusetts?

What are the current ozone (O₃) levels at Boston, Massachusetts?

What are the current nitrogen dioxide (NO₂) levels at Boston, Massachusetts?