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

The current PM10 concentration at Holbrook, Massachusetts is 111.497 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Holbrook, Massachusetts is 0.303 ppb.

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

The current ozone (O3) concentration at Holbrook, Massachusetts is 26.39 ppm.

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

The current nitrogen dioxide (NO2) concentration at Holbrook, Massachusetts is 3.121 ppb.

Holbrook, Massachusetts live air quality index now

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

Stay updated with real-time air quality in Holbrook, 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

Holbrook, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Holbrook, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

30.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

122.14 μg/m³

155

255

425

605+

Ozone (O₃)

28.21 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Holbrook, Massachusetts

Get Live Pollen Counts

Holbrook, Massachusetts

Scroll To Air Quality Map

Track live Holbrook, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T04:00:00.000Z	54 \| moderate	11.028 \| good	47.338 \| good	41.005 \| good	0.323 \| good	8.799 \| good	0.319 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	11.097 \| good	46.6 \| good	41.005 \| good	0.391 \| good	16.391 \| good	0.348 \| good
2025-07-30T06:00:00.000Z	49 \| good	9.387 \| good	41.304 \| good	41.438 \| good	0.31 \| good	16.039 \| good	0.282 \| good
2025-07-30T07:00:00.000Z	44 \| good	8.42 \| good	41.04 \| good	26.523 \| good	0.49 \| good	16.083 \| good	0.332 \| good
2025-07-30T08:00:00.000Z	56 \| moderate	12.191 \| fine	50.107 \| good	24.564 \| good	0.534 \| good	18.258 \| good	0.326 \| good
2025-07-30T09:00:00.000Z	56 \| moderate	11.734 \| good	50.466 \| good	20.234 \| good	0.451 \| good	12.369 \| good	0.222 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	11.657 \| good	49.99 \| good	18.281 \| good	0.364 \| good	12.643 \| good	0.24 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.759 \| good	51.983 \| good	16.366 \| good	0.372 \| good	15.721 \| good	0.256 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	11.508 \| good	47.753 \| good	15.818 \| good	0.387 \| good	15.91 \| good	0.328 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	11.063 \| good	47.829 \| good	23.018 \| good	0.402 \| good	10.654 \| good	0.296 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.58 \| good	45.424 \| good	28.635 \| good	0.467 \| good	5.93 \| good	0.254 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	10.256 \| good	40.959 \| good	33.355 \| good	0.348 \| good	4.061 \| good	0.238 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	10.372 \| good	41.712 \| good	38.205 \| good	0.382 \| good	6.805 \| good	0.22 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.462 \| good	42.527 \| good	42.42 \| good	0.572 \| good	6.832 \| good	0.258 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.377 \| good	45.349 \| good	42.935 \| good	0.531 \| good	4.882 \| good	0.25 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	10.447 \| good	42.699 \| good	48.34 \| good	0.545 \| good	5.64 \| good	0.259 \| good
2025-07-30T20:00:00.000Z	52 \| moderate	10.19 \| good	43.285 \| good	46.585 \| good	0.471 \| good	5.394 \| good	0.259 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.145 \| good	42.041 \| good	46.302 \| good	0.534 \| good	6.107 \| good	0.303 \| good
2025-07-30T22:00:00.000Z	52 \| moderate	10.02 \| good	43.356 \| good	43.121 \| good	0.459 \| good	3.531 \| good	0.335 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	9.881 \| good	41.787 \| good	43.545 \| good	0.576 \| good	4.57 \| good	0.275 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.483 \| good	39.57 \| good	44.787 \| good	0.417 \| good	4.312 \| good	0.275 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	9.888 \| good	41.246 \| good	42.969 \| good	0.398 \| good	6.795 \| good	0.35 \| good
2025-07-31T02:00:00.000Z	52 \| moderate	9.73 \| good	41.061 \| good	41.367 \| good	0.419 \| good	7.685 \| good	0.304 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.822 \| good	42.316 \| good	41.922 \| good	0.381 \| good	6.662 \| good	0.266 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.77 \| good	39.439 \| good	41.922 \| good	0.36 \| good	6.581 \| good	0.271 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.946 \| good	41.82 \| good	41.922 \| good	0.403 \| good	10.634 \| good	0.308 \| good
2025-07-31T06:00:00.000Z	52 \| moderate	10.047 \| good	39.431 \| good	42.077 \| good	0.788 \| good	10.807 \| good	0.315 \| good
2025-07-31T07:00:00.000Z	64 \| moderate	16.255 \| fine	49.375 \| good	32.455 \| good	0.33 \| good	11.449 \| good	0.216 \| good
2025-07-31T08:00:00.000Z	52 \| moderate	10.284 \| good	44.396 \| good	33.037 \| good	0.393 \| good	12.186 \| good	0.216 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	10.304 \| good	43.998 \| good	28.711 \| good	0.491 \| good	7.802 \| good	0.183 \| good
2025-07-31T10:00:00.000Z	52 \| moderate	10.392 \| good	44.125 \| good	28.711 \| good	0.406 \| good	6.764 \| good	0.201 \| good
2025-07-31T11:00:00.000Z	54 \| moderate	11.187 \| good	47.764 \| good	26.158 \| good	0.385 \| good	7.566 \| good	0.282 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.106 \| good	45.179 \| good	25.614 \| good	0.427 \| good	8.326 \| good	0.265 \| good
2025-07-31T13:00:00.000Z	56 \| moderate	12.367 \| fine	51.316 \| good	25.517 \| good	0.392 \| good	9.251 \| good	0.302 \| good
2025-07-31T14:00:00.000Z	60 \| moderate	14.09 \| fine	52.925 \| good	26.181 \| good	0.314 \| good	9.472 \| good	0.306 \| good
2025-07-31T15:00:00.000Z	66 \| moderate	17.107 \| fine	68.24 \| fine	26.871 \| good	0.324 \| good	7.499 \| good	0.343 \| good
2025-07-31T16:00:00.000Z	73 \| moderate	21.276 \| fine	85.379 \| fine	28.605 \| good	0.37 \| good	3.933 \| good	0.343 \| good
2025-07-31T17:00:00.000Z	82 \| moderate	25.582 \| fine	100.466 \| fine	26.975 \| good	0.311 \| good	3.022 \| good	0.306 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	27.876 \| fine	111.497 \| fine	26.39 \| good	0.303 \| good	3.121 \| good	0.306 \| good
2025-07-31T19:00:00.000Z	92 \| moderate	31.4 \| fine	122.413 \| fine	27.378 \| good	0.307 \| good	3.437 \| good	0.352 \| good
2025-07-31T20:00:00.000Z	90 \| moderate	29.861 \| fine	119.289 \| fine	27.372 \| good	0.359 \| good	3.076 \| good	0.316 \| good
2025-07-31T21:00:00.000Z	94 \| moderate	31.632 \| fine	129.493 \| fine	27.88 \| good	0.295 \| good	2.585 \| good	0.305 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.155 \| fine	121.5 \| fine	27.725 \| good	0.315 \| good	2.715 \| good	0.305 \| good
2025-07-31T23:00:00.000Z	56 \| moderate	11.725 \| good	51.841 \| good	29.97 \| good	0.46 \| good	3.417 \| good	0.274 \| good
2025-08-01T00:00:00.000Z	92 \| moderate	30.872 \| fine	125.53 \| fine	27.487 \| good	0.333 \| good	3.191 \| good	0.305 \| good
2025-08-01T01:00:00.000Z	92 \| moderate	30.769 \| fine	125.92 \| fine	27.245 \| good	0.325 \| good	2.902 \| good	0.309 \| good
2025-08-01T02:00:00.000Z	92 \| moderate	30.73 \| fine	116.627 \| fine	26.677 \| good	0.27 \| good	2.826 \| good	0.263 \| good
2025-08-01T03:00:00.000Z	90 \| moderate	30.497 \| fine	122.141 \| fine	28.209 \| good	0.275 \| good	2.709 \| good	0.263 \| good
2025-08-01T03:00:00.000Z	90 \| moderate	30.497 \| fine	122.141 \| fine	28.209 \| good	0.275 \| good	2.709 \| good	0.263 \| good
2025-07-31T20:00:00.000Z	64 \| moderate	16.34 \| fine	72.292 \| fine	29.877 \| good	0.418 \| good	2.176 \| good	0.25 \| good
2025-07-31T21:00:00.000Z	58 \| moderate	13.33 \| fine	59.667 \| fine	28.191 \| good	0.434 \| good	2.515 \| good	0.251 \| good
2025-07-31T22:00:00.000Z	49 \| good	9.363 \| good	41.778 \| good	26.835 \| good	0.443 \| good	2.874 \| good	0.254 \| good
2025-07-31T23:00:00.000Z	49 \| good	8.831 \| good	38.589 \| good	25.63 \| good	0.452 \| good	3.232 \| good	0.258 \| good
2025-08-01T00:00:00.000Z	56 \| moderate	12.205 \| fine	54.72 \| good	27.124 \| good	0.461 \| good	3.59 \| good	0.261 \| good
2025-08-01T01:00:00.000Z	60 \| moderate	13.618 \| fine	61.133 \| fine	28.058 \| good	0.436 \| good	3.305 \| good	0.255 \| good
2025-08-01T02:00:00.000Z	60 \| moderate	14.243 \| fine	63.587 \| fine	28.605 \| good	0.411 \| good	3.019 \| good	0.249 \| good
2025-08-01T03:00:00.000Z	60 \| moderate	14.277 \| fine	63.993 \| fine	29.785 \| good	0.385 \| good	2.733 \| good	0.243 \| good
2025-08-01T04:00:00.000Z	62 \| moderate	15.37 \| fine	68.457 \| fine	28.769 \| good	0.376 \| good	2.491 \| good	0.235 \| good
2025-08-01T05:00:00.000Z	67 \| moderate	17.678 \| fine	78.69 \| fine	26.398 \| good	0.367 \| good	2.248 \| good	0.226 \| good
2025-08-01T06:00:00.000Z	66 \| moderate	17.319 \| fine	76.999 \| fine	25.281 \| good	0.357 \| good	2.005 \| good	0.218 \| good
2025-08-01T07:00:00.000Z	66 \| moderate	16.618 \| fine	73.974 \| fine	25.27 \| good	0.338 \| good	1.795 \| good	0.211 \| good
2025-08-01T08:00:00.000Z	64 \| moderate	16.018 \| fine	71.403 \| fine	26.373 \| good	0.32 \| good	1.584 \| good	0.205 \| good
2025-08-01T09:00:00.000Z	54 \| moderate	11.189 \| good	49.621 \| good	27.121 \| good	0.301 \| good	1.373 \| good	0.198 \| good
2025-08-01T10:00:00.000Z	52 \| moderate	10.04 \| good	44.654 \| good	26.959 \| good	0.291 \| good	1.721 \| good	0.196 \| good
2025-08-01T11:00:00.000Z	38 \| good	7.273 \| good	32.369 \| good	26.41 \| good	0.282 \| good	2.07 \| good	0.194 \| good
2025-08-01T12:00:00.000Z	38 \| good	6.77 \| good	30.057 \| good	26.979 \| good	0.272 \| good	2.418 \| good	0.192 \| good
2025-08-01T13:00:00.000Z	38 \| good	6.728 \| good	29.92 \| good	28.24 \| good	0.295 \| good	2.461 \| good	0.19 \| good
2025-08-01T14:00:00.000Z	38 \| good	6.734 \| good	29.967 \| good	29.169 \| good	0.319 \| good	2.504 \| good	0.188 \| good
2025-08-01T15:00:00.000Z	38 \| good	7.139 \| good	31.923 \| good	28.327 \| good	0.342 \| good	2.548 \| good	0.187 \| good
2025-08-01T16:00:00.000Z	38 \| good	6.695 \| good	29.967 \| good	27.384 \| good	0.335 \| good	2.158 \| good	0.184 \| good
2025-08-01T17:00:00.000Z	28 \| good	4.804 \| good	21.015 \| good	29.961 \| good	0.327 \| good	1.768 \| good	0.181 \| good
2025-08-01T18:00:00.000Z	29 \| good	4.549 \| good	19.736 \| good	31.205 \| good	0.32 \| good	1.379 \| good	0.178 \| good
2025-08-01T19:00:00.000Z	30 \| good	5.064 \| good	21.787 \| good	32.087 \| good	0.321 \| good	1.35 \| good	0.175 \| good
2025-08-01T20:00:00.000Z	30 \| good	5.221 \| good	22.665 \| good	32.399 \| good	0.322 \| good	1.321 \| good	0.171 \| good
2025-08-01T21:00:00.000Z	27 \| good	5.164 \| good	22.103 \| good	29.495 \| good	0.324 \| good	1.292 \| good	0.168 \| good
2025-08-01T22:00:00.000Z	27 \| good	5.488 \| good	23.494 \| good	27.916 \| good	0.371 \| good	2.26 \| good	0.171 \| good
2025-08-01T23:00:00.000Z	38 \| good	6.849 \| good	30.552 \| good	28.726 \| good	0.417 \| good	3.228 \| good	0.173 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.997 \| good	30.861 \| good	31.298 \| good	0.464 \| good	4.195 \| good	0.176 \| good
2025-08-02T01:00:00.000Z	38 \| good	7.292 \| good	32.17 \| good	29.042 \| good	0.563 \| good	5.137 \| good	0.181 \| good
2025-08-02T02:00:00.000Z	44 \| good	7.673 \| good	33.625 \| good	27.168 \| good	0.661 \| good	6.079 \| good	0.186 \| good
2025-08-02T03:00:00.000Z	44 \| good	8.045 \| good	34.966 \| good	27.563 \| good	0.76 \| good	7.021 \| good	0.192 \| good
2025-08-02T04:00:00.000Z	49 \| good	9.339 \| good	41.461 \| good	26.778 \| good	0.819 \| good	6.854 \| good	0.19 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	10.39 \| good	45.937 \| good	24.778 \| good	0.877 \| good	6.687 \| good	0.188 \| good
2025-08-02T06:00:00.000Z	52 \| moderate	10.047 \| good	44.628 \| good	22.257 \| good	0.936 \| good	6.52 \| good	0.187 \| good
2025-08-02T07:00:00.000Z	52 \| moderate	10.414 \| good	46.191 \| good	20.693 \| good	0.937 \| good	6.153 \| good	0.187 \| good
2025-08-02T08:00:00.000Z	54 \| moderate	10.739 \| good	47.278 \| good	19.314 \| good	0.938 \| good	5.786 \| good	0.188 \| good
2025-08-02T09:00:00.000Z	44 \| good	8.418 \| good	37.16 \| good	13.198 \| good	0.94 \| good	5.42 \| good	0.188 \| good
2025-08-02T10:00:00.000Z	49 \| good	9.108 \| good	40.321 \| good	16.604 \| good	0.87 \| good	4.857 \| good	0.194 \| good
2025-08-02T11:00:00.000Z	49 \| good	8.93 \| good	39.198 \| good	22.681 \| good	0.801 \| good	4.295 \| good	0.199 \| good
2025-08-02T12:00:00.000Z	49 \| good	8.743 \| good	38.404 \| good	26.12 \| good	0.731 \| good	3.733 \| good	0.204 \| good
2025-08-02T13:00:00.000Z	49 \| good	8.734 \| good	38.482 \| good	28.824 \| good	0.677 \| good	2.983 \| good	0.196 \| good
2025-08-02T14:00:00.000Z	44 \| good	7.631 \| good	33.457 \| good	33.516 \| good	0.622 \| good	2.234 \| good	0.188 \| good
2025-08-02T15:00:00.000Z	38 \| good	7.427 \| good	32.59 \| good	36.427 \| good	0.567 \| good	1.484 \| good	0.179 \| good
2025-08-02T16:00:00.000Z	33 \| good	5.335 \| good	23.352 \| good	35.954 \| good	0.544 \| good	1.364 \| good	0.177 \| good
2025-08-02T17:00:00.000Z	33 \| good	5.417 \| good	23.826 \| good	36.08 \| good	0.52 \| good	1.245 \| good	0.174 \| good
2025-08-02T18:00:00.000Z	33 \| good	5.623 \| good	24.156 \| good	35.347 \| good	0.496 \| good	1.125 \| good	0.172 \| good
2025-08-02T19:00:00.000Z	33 \| good	5.717 \| good	24.644 \| good	35.624 \| good	0.493 \| good	1.289 \| good	0.172 \| good

Holbrook

Get reliable air quality data to drive your business

Holbrook, Massachusetts air quality map: Track AQI near you

0.31ppm

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 Holbrook, Massachusetts updated?

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

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

The worst air quality in Holbrook, Massachusetts in the last 24 hours was observed at 06:00:00 on 2025-07-31.

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

In the last 24 hrs, the best air quality in Holbrook, Massachusetts was observed at 06:00:00 on 2025-07-31.

What is the current air quality in Holbrook, Massachusetts?

The current air quality in Holbrook, Massachusetts is 86, categorized as Moderate based on real-time data.

What pollutant is the most common in Holbrook, Massachusetts?

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

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

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

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

The current PM_2.5 concentration at Holbrook, Massachusetts is 27.876 μg/m³.

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

The current PM₁₀ concentration at Holbrook, Massachusetts is 111.497 μg/m³.

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

The current carbon monoxide (CO) concentration at Holbrook, Massachusetts is 0.306 ppm.

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

The current sulfur dioxide (SO₂) concentration at Holbrook, Massachusetts is 0.303 ppb.

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

The current ozone (O₃) concentration at Holbrook, Massachusetts is 26.39 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Holbrook, Massachusetts is 3.121 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T04:00:00.000Z	54 \| moderate	11.028 \| good	47.338 \| good	41.005 \| good	0.323 \| good	8.799 \| good	0.319 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	11.097 \| good	46.6 \| good	41.005 \| good	0.391 \| good	16.391 \| good	0.348 \| good
2025-07-30T06:00:00.000Z	49 \| good	9.387 \| good	41.304 \| good	41.438 \| good	0.31 \| good	16.039 \| good	0.282 \| good
2025-07-30T07:00:00.000Z	44 \| good	8.42 \| good	41.04 \| good	26.523 \| good	0.49 \| good	16.083 \| good	0.332 \| good
2025-07-30T08:00:00.000Z	56 \| moderate	12.191 \| fine	50.107 \| good	24.564 \| good	0.534 \| good	18.258 \| good	0.326 \| good
2025-07-30T09:00:00.000Z	56 \| moderate	11.734 \| good	50.466 \| good	20.234 \| good	0.451 \| good	12.369 \| good	0.222 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	11.657 \| good	49.99 \| good	18.281 \| good	0.364 \| good	12.643 \| good	0.24 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.759 \| good	51.983 \| good	16.366 \| good	0.372 \| good	15.721 \| good	0.256 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	11.508 \| good	47.753 \| good	15.818 \| good	0.387 \| good	15.91 \| good	0.328 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	11.063 \| good	47.829 \| good	23.018 \| good	0.402 \| good	10.654 \| good	0.296 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.58 \| good	45.424 \| good	28.635 \| good	0.467 \| good	5.93 \| good	0.254 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	10.256 \| good	40.959 \| good	33.355 \| good	0.348 \| good	4.061 \| good	0.238 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	10.372 \| good	41.712 \| good	38.205 \| good	0.382 \| good	6.805 \| good	0.22 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.462 \| good	42.527 \| good	42.42 \| good	0.572 \| good	6.832 \| good	0.258 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.377 \| good	45.349 \| good	42.935 \| good	0.531 \| good	4.882 \| good	0.25 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	10.447 \| good	42.699 \| good	48.34 \| good	0.545 \| good	5.64 \| good	0.259 \| good
2025-07-30T20:00:00.000Z	52 \| moderate	10.19 \| good	43.285 \| good	46.585 \| good	0.471 \| good	5.394 \| good	0.259 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.145 \| good	42.041 \| good	46.302 \| good	0.534 \| good	6.107 \| good	0.303 \| good
2025-07-30T22:00:00.000Z	52 \| moderate	10.02 \| good	43.356 \| good	43.121 \| good	0.459 \| good	3.531 \| good	0.335 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	9.881 \| good	41.787 \| good	43.545 \| good	0.576 \| good	4.57 \| good	0.275 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.483 \| good	39.57 \| good	44.787 \| good	0.417 \| good	4.312 \| good	0.275 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	9.888 \| good	41.246 \| good	42.969 \| good	0.398 \| good	6.795 \| good	0.35 \| good
2025-07-31T02:00:00.000Z	52 \| moderate	9.73 \| good	41.061 \| good	41.367 \| good	0.419 \| good	7.685 \| good	0.304 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.822 \| good	42.316 \| good	41.922 \| good	0.381 \| good	6.662 \| good	0.266 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.77 \| good	39.439 \| good	41.922 \| good	0.36 \| good	6.581 \| good	0.271 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.946 \| good	41.82 \| good	41.922 \| good	0.403 \| good	10.634 \| good	0.308 \| good
2025-07-31T06:00:00.000Z	52 \| moderate	10.047 \| good	39.431 \| good	42.077 \| good	0.788 \| good	10.807 \| good	0.315 \| good
2025-07-31T07:00:00.000Z	64 \| moderate	16.255 \| fine	49.375 \| good	32.455 \| good	0.33 \| good	11.449 \| good	0.216 \| good
2025-07-31T08:00:00.000Z	52 \| moderate	10.284 \| good	44.396 \| good	33.037 \| good	0.393 \| good	12.186 \| good	0.216 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	10.304 \| good	43.998 \| good	28.711 \| good	0.491 \| good	7.802 \| good	0.183 \| good
2025-07-31T10:00:00.000Z	52 \| moderate	10.392 \| good	44.125 \| good	28.711 \| good	0.406 \| good	6.764 \| good	0.201 \| good
2025-07-31T11:00:00.000Z	54 \| moderate	11.187 \| good	47.764 \| good	26.158 \| good	0.385 \| good	7.566 \| good	0.282 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.106 \| good	45.179 \| good	25.614 \| good	0.427 \| good	8.326 \| good	0.265 \| good
2025-07-31T13:00:00.000Z	56 \| moderate	12.367 \| fine	51.316 \| good	25.517 \| good	0.392 \| good	9.251 \| good	0.302 \| good
2025-07-31T14:00:00.000Z	60 \| moderate	14.09 \| fine	52.925 \| good	26.181 \| good	0.314 \| good	9.472 \| good	0.306 \| good
2025-07-31T15:00:00.000Z	66 \| moderate	17.107 \| fine	68.24 \| fine	26.871 \| good	0.324 \| good	7.499 \| good	0.343 \| good
2025-07-31T16:00:00.000Z	73 \| moderate	21.276 \| fine	85.379 \| fine	28.605 \| good	0.37 \| good	3.933 \| good	0.343 \| good
2025-07-31T17:00:00.000Z	82 \| moderate	25.582 \| fine	100.466 \| fine	26.975 \| good	0.311 \| good	3.022 \| good	0.306 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	27.876 \| fine	111.497 \| fine	26.39 \| good	0.303 \| good	3.121 \| good	0.306 \| good
2025-07-31T19:00:00.000Z	92 \| moderate	31.4 \| fine	122.413 \| fine	27.378 \| good	0.307 \| good	3.437 \| good	0.352 \| good
2025-07-31T20:00:00.000Z	90 \| moderate	29.861 \| fine	119.289 \| fine	27.372 \| good	0.359 \| good	3.076 \| good	0.316 \| good
2025-07-31T21:00:00.000Z	94 \| moderate	31.632 \| fine	129.493 \| fine	27.88 \| good	0.295 \| good	2.585 \| good	0.305 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.155 \| fine	121.5 \| fine	27.725 \| good	0.315 \| good	2.715 \| good	0.305 \| good
2025-07-31T23:00:00.000Z	56 \| moderate	11.725 \| good	51.841 \| good	29.97 \| good	0.46 \| good	3.417 \| good	0.274 \| good
2025-08-01T00:00:00.000Z	92 \| moderate	30.872 \| fine	125.53 \| fine	27.487 \| good	0.333 \| good	3.191 \| good	0.305 \| good
2025-08-01T01:00:00.000Z	92 \| moderate	30.769 \| fine	125.92 \| fine	27.245 \| good	0.325 \| good	2.902 \| good	0.309 \| good
2025-08-01T02:00:00.000Z	92 \| moderate	30.73 \| fine	116.627 \| fine	26.677 \| good	0.27 \| good	2.826 \| good	0.263 \| good
2025-08-01T03:00:00.000Z	90 \| moderate	30.497 \| fine	122.141 \| fine	28.209 \| good	0.275 \| good	2.709 \| good	0.263 \| good
2025-08-01T03:00:00.000Z	90 \| moderate	30.497 \| fine	122.141 \| fine	28.209 \| good	0.275 \| good	2.709 \| good	0.263 \| good
2025-07-31T20:00:00.000Z	64 \| moderate	16.34 \| fine	72.292 \| fine	29.877 \| good	0.418 \| good	2.176 \| good	0.25 \| good
2025-07-31T21:00:00.000Z	58 \| moderate	13.33 \| fine	59.667 \| fine	28.191 \| good	0.434 \| good	2.515 \| good	0.251 \| good
2025-07-31T22:00:00.000Z	49 \| good	9.363 \| good	41.778 \| good	26.835 \| good	0.443 \| good	2.874 \| good	0.254 \| good
2025-07-31T23:00:00.000Z	49 \| good	8.831 \| good	38.589 \| good	25.63 \| good	0.452 \| good	3.232 \| good	0.258 \| good
2025-08-01T00:00:00.000Z	56 \| moderate	12.205 \| fine	54.72 \| good	27.124 \| good	0.461 \| good	3.59 \| good	0.261 \| good
2025-08-01T01:00:00.000Z	60 \| moderate	13.618 \| fine	61.133 \| fine	28.058 \| good	0.436 \| good	3.305 \| good	0.255 \| good
2025-08-01T02:00:00.000Z	60 \| moderate	14.243 \| fine	63.587 \| fine	28.605 \| good	0.411 \| good	3.019 \| good	0.249 \| good
2025-08-01T03:00:00.000Z	60 \| moderate	14.277 \| fine	63.993 \| fine	29.785 \| good	0.385 \| good	2.733 \| good	0.243 \| good
2025-08-01T04:00:00.000Z	62 \| moderate	15.37 \| fine	68.457 \| fine	28.769 \| good	0.376 \| good	2.491 \| good	0.235 \| good
2025-08-01T05:00:00.000Z	67 \| moderate	17.678 \| fine	78.69 \| fine	26.398 \| good	0.367 \| good	2.248 \| good	0.226 \| good
2025-08-01T06:00:00.000Z	66 \| moderate	17.319 \| fine	76.999 \| fine	25.281 \| good	0.357 \| good	2.005 \| good	0.218 \| good
2025-08-01T07:00:00.000Z	66 \| moderate	16.618 \| fine	73.974 \| fine	25.27 \| good	0.338 \| good	1.795 \| good	0.211 \| good
2025-08-01T08:00:00.000Z	64 \| moderate	16.018 \| fine	71.403 \| fine	26.373 \| good	0.32 \| good	1.584 \| good	0.205 \| good
2025-08-01T09:00:00.000Z	54 \| moderate	11.189 \| good	49.621 \| good	27.121 \| good	0.301 \| good	1.373 \| good	0.198 \| good
2025-08-01T10:00:00.000Z	52 \| moderate	10.04 \| good	44.654 \| good	26.959 \| good	0.291 \| good	1.721 \| good	0.196 \| good
2025-08-01T11:00:00.000Z	38 \| good	7.273 \| good	32.369 \| good	26.41 \| good	0.282 \| good	2.07 \| good	0.194 \| good
2025-08-01T12:00:00.000Z	38 \| good	6.77 \| good	30.057 \| good	26.979 \| good	0.272 \| good	2.418 \| good	0.192 \| good
2025-08-01T13:00:00.000Z	38 \| good	6.728 \| good	29.92 \| good	28.24 \| good	0.295 \| good	2.461 \| good	0.19 \| good
2025-08-01T14:00:00.000Z	38 \| good	6.734 \| good	29.967 \| good	29.169 \| good	0.319 \| good	2.504 \| good	0.188 \| good
2025-08-01T15:00:00.000Z	38 \| good	7.139 \| good	31.923 \| good	28.327 \| good	0.342 \| good	2.548 \| good	0.187 \| good
2025-08-01T16:00:00.000Z	38 \| good	6.695 \| good	29.967 \| good	27.384 \| good	0.335 \| good	2.158 \| good	0.184 \| good
2025-08-01T17:00:00.000Z	28 \| good	4.804 \| good	21.015 \| good	29.961 \| good	0.327 \| good	1.768 \| good	0.181 \| good
2025-08-01T18:00:00.000Z	29 \| good	4.549 \| good	19.736 \| good	31.205 \| good	0.32 \| good	1.379 \| good	0.178 \| good
2025-08-01T19:00:00.000Z	30 \| good	5.064 \| good	21.787 \| good	32.087 \| good	0.321 \| good	1.35 \| good	0.175 \| good
2025-08-01T20:00:00.000Z	30 \| good	5.221 \| good	22.665 \| good	32.399 \| good	0.322 \| good	1.321 \| good	0.171 \| good
2025-08-01T21:00:00.000Z	27 \| good	5.164 \| good	22.103 \| good	29.495 \| good	0.324 \| good	1.292 \| good	0.168 \| good
2025-08-01T22:00:00.000Z	27 \| good	5.488 \| good	23.494 \| good	27.916 \| good	0.371 \| good	2.26 \| good	0.171 \| good
2025-08-01T23:00:00.000Z	38 \| good	6.849 \| good	30.552 \| good	28.726 \| good	0.417 \| good	3.228 \| good	0.173 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.997 \| good	30.861 \| good	31.298 \| good	0.464 \| good	4.195 \| good	0.176 \| good
2025-08-02T01:00:00.000Z	38 \| good	7.292 \| good	32.17 \| good	29.042 \| good	0.563 \| good	5.137 \| good	0.181 \| good
2025-08-02T02:00:00.000Z	44 \| good	7.673 \| good	33.625 \| good	27.168 \| good	0.661 \| good	6.079 \| good	0.186 \| good
2025-08-02T03:00:00.000Z	44 \| good	8.045 \| good	34.966 \| good	27.563 \| good	0.76 \| good	7.021 \| good	0.192 \| good
2025-08-02T04:00:00.000Z	49 \| good	9.339 \| good	41.461 \| good	26.778 \| good	0.819 \| good	6.854 \| good	0.19 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	10.39 \| good	45.937 \| good	24.778 \| good	0.877 \| good	6.687 \| good	0.188 \| good
2025-08-02T06:00:00.000Z	52 \| moderate	10.047 \| good	44.628 \| good	22.257 \| good	0.936 \| good	6.52 \| good	0.187 \| good
2025-08-02T07:00:00.000Z	52 \| moderate	10.414 \| good	46.191 \| good	20.693 \| good	0.937 \| good	6.153 \| good	0.187 \| good
2025-08-02T08:00:00.000Z	54 \| moderate	10.739 \| good	47.278 \| good	19.314 \| good	0.938 \| good	5.786 \| good	0.188 \| good
2025-08-02T09:00:00.000Z	44 \| good	8.418 \| good	37.16 \| good	13.198 \| good	0.94 \| good	5.42 \| good	0.188 \| good
2025-08-02T10:00:00.000Z	49 \| good	9.108 \| good	40.321 \| good	16.604 \| good	0.87 \| good	4.857 \| good	0.194 \| good
2025-08-02T11:00:00.000Z	49 \| good	8.93 \| good	39.198 \| good	22.681 \| good	0.801 \| good	4.295 \| good	0.199 \| good
2025-08-02T12:00:00.000Z	49 \| good	8.743 \| good	38.404 \| good	26.12 \| good	0.731 \| good	3.733 \| good	0.204 \| good
2025-08-02T13:00:00.000Z	49 \| good	8.734 \| good	38.482 \| good	28.824 \| good	0.677 \| good	2.983 \| good	0.196 \| good
2025-08-02T14:00:00.000Z	44 \| good	7.631 \| good	33.457 \| good	33.516 \| good	0.622 \| good	2.234 \| good	0.188 \| good
2025-08-02T15:00:00.000Z	38 \| good	7.427 \| good	32.59 \| good	36.427 \| good	0.567 \| good	1.484 \| good	0.179 \| good
2025-08-02T16:00:00.000Z	33 \| good	5.335 \| good	23.352 \| good	35.954 \| good	0.544 \| good	1.364 \| good	0.177 \| good
2025-08-02T17:00:00.000Z	33 \| good	5.417 \| good	23.826 \| good	36.08 \| good	0.52 \| good	1.245 \| good	0.174 \| good
2025-08-02T18:00:00.000Z	33 \| good	5.623 \| good	24.156 \| good	35.347 \| good	0.496 \| good	1.125 \| good	0.172 \| good
2025-08-02T19:00:00.000Z	33 \| good	5.717 \| good	24.644 \| good	35.624 \| good	0.493 \| good	1.289 \| good	0.172 \| good

Holbrook, Massachusetts live air quality index now

Major air pollutants in Holbrook, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Randolph Town, Massachusetts

Brockton, Massachusetts

Braintree Town, Massachusetts

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Stoughton, Massachusetts

Rockland, Massachusetts

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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