What are the current PM10 levels at Holden, Massachusetts?

The current PM10 levels in Holden, Massachusetts are 39.203 μg/m3.

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

The current sulfur dioxide (SO2) levels in Holden, Massachusetts are 0.705 ppb.

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

The current ozone (O3) levels at Holden, Massachusetts is 24.961 ppm.

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

The current nitrogen dioxide (NO2) levels at Holden, Massachusetts is 6.543 ppb.

Live air quality index in Holden, Massachusetts today

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

Stay updated with real-time air quality in Holden, 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

Holden, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Holden, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

15.08 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.20 μg/m³

155

255

425

605+

Ozone (O₃)

24.96 ppb

201

201+

Sulfur Dioxide (SO₂)

0.70 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.54 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Holden, Massachusetts

Get Live Pollen Counts

Holden, Massachusetts

Scroll To Air Quality Map

Track live Holden, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	56 \| moderate	11.76 \| good	40.276 \| good	47.799 \| good	0.616 \| good	15.318 \| good	0.319 \| good
2025-06-05T13:00:00.000Z	58 \| moderate	12.943 \| fine	33.106 \| good	48.121 \| good	0.279 \| good	19.507 \| good	0.385 \| good
2025-06-05T14:00:00.000Z	60 \| moderate	13.504 \| fine	34.31 \| good	48.905 \| good	0.74 \| good	11.165 \| good	0.457 \| good
2025-06-05T15:00:00.000Z	62 \| moderate	14.507 \| fine	35.94 \| good	50.52 \| good	0.724 \| good	6.763 \| good	0.293 \| good
2025-06-05T16:00:00.000Z	64 \| moderate	16.433 \| fine	41.047 \| good	53.91 \| good	0.749 \| good	5.056 \| good	0.292 \| good
2025-06-05T17:00:00.000Z	66 \| moderate	17.448 \| fine	45.767 \| good	55.401 \| fine	0.904 \| good	6.354 \| good	0.293 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	18.461 \| fine	33.626 \| good	56.58 \| fine	0.848 \| good	3.99 \| good	0.305 \| good
2025-06-05T19:00:00.000Z	67 \| moderate	18.114 \| fine	47.647 \| good	58.47 \| fine	0.784 \| good	3.913 \| good	0.285 \| good
2025-06-05T20:00:00.000Z	67 \| moderate	18.099 \| fine	49.391 \| good	59.177 \| fine	0.295 \| good	4.977 \| good	0.286 \| good
2025-06-05T21:00:00.000Z	67 \| moderate	17.962 \| fine	57.771 \| fine	59.797 \| fine	0.719 \| good	5.063 \| good	0.286 \| good
2025-06-05T22:00:00.000Z	69 \| moderate	18.583 \| fine	48.211 \| good	59.999 \| fine	0.665 \| good	5.484 \| good	0.301 \| good
2025-06-05T23:00:00.000Z	69 \| moderate	18.823 \| fine	56.367 \| fine	57.557 \| fine	0.698 \| good	4.475 \| good	0.313 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	19.333 \| fine	42.026 \| good	58.516 \| fine	0.689 \| good	5.69 \| good	0.319 \| good
2025-06-06T01:00:00.000Z	69 \| moderate	18.584 \| fine	51.077 \| good	60.134 \| fine	0.643 \| good	7.467 \| good	0.32 \| good
2025-06-06T02:00:00.000Z	74 \| moderate	19.065 \| fine	39.106 \| good	61.687 \| fine	0.687 \| good	8.518 \| good	0.319 \| good
2025-06-06T03:00:00.000Z	93 \| moderate	19.411 \| fine	60.251 \| fine	67.898 \| fine	0.707 \| good	10.647 \| good	0.391 \| good
2025-06-06T04:00:00.000Z	84 \| moderate	18.662 \| fine	88.239 \| fine	65.033 \| fine	0.735 \| good	10.177 \| good	0.336 \| good
2025-06-06T05:00:00.000Z	84 \| moderate	19.259 \| fine	71.516 \| fine	64.919 \| fine	0.759 \| good	16.32 \| good	0.28 \| good
2025-06-06T06:00:00.000Z	84 \| moderate	19.893 \| fine	26.94 \| good	64.72 \| fine	0.777 \| good	18.258 \| good	0.213 \| good
2025-06-06T07:00:00.000Z	87 \| moderate	19.583 \| fine	27.985 \| good	66.299 \| fine	0.688 \| good	7.921 \| good	0.254 \| good
2025-06-06T08:00:00.000Z	90 \| moderate	18.735 \| fine	63.418 \| fine	66.634 \| fine	0.636 \| good	5.952 \| good	0.215 \| good
2025-06-06T09:00:00.000Z	73 \| moderate	20.569 \| fine	32.921 \| good	55.692 \| fine	0.639 \| good	4.826 \| good	0.291 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	19.488 \| fine	32.611 \| good	51.198 \| good	0.774 \| good	5.645 \| good	0.284 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.158 \| fine	38.068 \| good	47.465 \| good	0.769 \| good	6.053 \| good	0.3 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	19.324 \| fine	36.927 \| good	42.986 \| good	0.805 \| good	6.454 \| good	0.351 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.209 \| fine	32.08 \| good	43.453 \| good	0.779 \| good	6.898 \| good	0.28 \| good
2025-06-06T14:00:00.000Z	62 \| moderate	15.409 \| fine	26.633 \| good	42.368 \| good	0.795 \| good	7.977 \| good	0.272 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	13.976 \| fine	36.86 \| good	44.612 \| good	0.567 \| good	6.378 \| good	0.272 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.024 \| fine	40.705 \| good	42.569 \| good	0.417 \| good	5.582 \| good	0.272 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.498 \| fine	27.245 \| good	48.476 \| good	0.377 \| good	6.129 \| good	0.266 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.605 \| fine	31.526 \| good	51.745 \| good	0.529 \| good	7.316 \| good	0.272 \| good
2025-06-06T19:00:00.000Z	62 \| moderate	14.562 \| fine	37.5 \| good	54.845 \| good	0.488 \| good	9.266 \| good	0.424 \| good
2025-06-06T20:00:00.000Z	64 \| moderate	16.315 \| fine	55.926 \| fine	53.723 \| good	0.629 \| good	6.89 \| good	0.346 \| good
2025-06-06T21:00:00.000Z	64 \| moderate	16.408 \| fine	46.759 \| good	56.193 \| fine	0.851 \| good	8.264 \| good	0.365 \| good
2025-06-06T22:00:00.000Z	67 \| moderate	17.739 \| fine	46.91 \| good	54.717 \| good	0.384 \| good	7.464 \| good	0.359 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.638 \| fine	36.414 \| good	45.874 \| good	0.848 \| good	9.42 \| good	0.36 \| good
2025-06-07T00:00:00.000Z	62 \| moderate	15.271 \| fine	35.667 \| good	41.668 \| good	0.707 \| good	8.064 \| good	0.365 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.895 \| fine	45.511 \| good	42.089 \| good	0.24 \| good	4.755 \| good	0.3 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.054 \| fine	45.328 \| good	42.361 \| good	0.683 \| good	4.997 \| good	0.299 \| good
2025-06-07T03:00:00.000Z	60 \| moderate	14.39 \| fine	46.366 \| good	38.84 \| good	0.792 \| good	7.343 \| good	0.279 \| good
2025-06-07T04:00:00.000Z	54 \| moderate	10.77 \| good	30.387 \| good	43.61 \| good	0.796 \| good	3.967 \| good	0.215 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.832 \| fine	28.105 \| good	43.713 \| good	1.024 \| good	5.478 \| good	0.149 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.407 \| good	41.872 \| good	43.55 \| good	1.007 \| good	6.539 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	53 \| moderate	6.982 \| good	59.339 \| fine	31.64 \| good	0.71 \| good	5.82 \| good	0.187 \| good
2025-06-07T08:00:00.000Z	60 \| moderate	14.1 \| fine	61.352 \| fine	30.36 \| good	0.75 \| good	5.395 \| good	0.191 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	13.343 \| fine	22.879 \| good	23.864 \| good	0.69 \| good	6.837 \| good	0.27 \| good
2025-06-07T10:00:00.000Z	62 \| moderate	15.08 \| fine	39.203 \| good	24.961 \| good	0.705 \| good	6.543 \| good	0.263 \| good
2025-06-07T11:00:00.000Z	62 \| moderate	15.08 \| fine	39.203 \| good	24.961 \| good	0.705 \| good	6.543 \| good	0.263 \| good
2025-06-07T12:00:00.000Z	33 \| good	6.05 \| good	26.895 \| good	30.069 \| good	0.11 \| good	2.662 \| good	0.155 \| good
2025-06-07T13:00:00.000Z	33 \| good	6.329 \| good	28.323 \| good	32.652 \| good	0.211 \| good	2.071 \| good	0.152 \| good
2025-06-07T14:00:00.000Z	49 \| good	8.902 \| good	39.242 \| good	34.326 \| good	0.209 \| good	2.05 \| good	0.149 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.002 \| good	44.568 \| good	34.466 \| good	0.206 \| good	2.03 \| good	0.146 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.748 \| good	47.642 \| good	38.356 \| good	0.325 \| good	1.539 \| good	0.156 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.678 \| good	47.058 \| good	38 \| good	0.332 \| good	1.591 \| good	0.152 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	10.129 \| good	44.905 \| good	38.004 \| good	0.339 \| good	1.643 \| good	0.148 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.661 \| good	37.958 \| good	39.305 \| good	0.23 \| good	1.728 \| good	0.186 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.652 \| good	37.678 \| good	39.765 \| good	0.269 \| good	1.813 \| good	0.182 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.805 \| good	34.27 \| good	38.182 \| good	0.309 \| good	1.898 \| good	0.178 \| good
2025-06-07T22:00:00.000Z	38 \| good	7.154 \| good	31.645 \| good	41.493 \| good	0.171 \| good	3.615 \| good	0.231 \| good
2025-06-07T23:00:00.000Z	44 \| good	8.159 \| good	35.784 \| good	43.295 \| good	0.197 \| good	3.973 \| good	0.23 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.824 \| good	34.486 \| good	43.533 \| good	0.222 \| good	4.33 \| good	0.229 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	11.348 \| good	50.202 \| good	38.422 \| good	0.212 \| good	3.185 \| good	0.244 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	13.957 \| fine	62.256 \| fine	34.816 \| good	0.239 \| good	3.703 \| good	0.243 \| good
2025-06-08T03:00:00.000Z	62 \| moderate	14.828 \| fine	65.619 \| fine	33.394 \| good	0.267 \| good	4.22 \| good	0.242 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	14.6 \| fine	64.998 \| fine	33.739 \| good	0.277 \| good	2.57 \| good	0.251 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.609 \| fine	57.017 \| fine	32.13 \| good	0.318 \| good	3.014 \| good	0.242 \| good
2025-06-08T06:00:00.000Z	52 \| moderate	9.607 \| good	42.479 \| good	33.714 \| good	0.36 \| good	3.458 \| good	0.234 \| good
2025-06-08T07:00:00.000Z	52 \| moderate	10.149 \| good	45.029 \| good	34.089 \| good	0.328 \| good	2.03 \| good	0.269 \| good
2025-06-08T08:00:00.000Z	58 \| moderate	13.273 \| fine	60.083 \| fine	34.926 \| good	0.37 \| good	2.34 \| good	0.256 \| good
2025-06-08T09:00:00.000Z	64 \| moderate	16.369 \| fine	72.747 \| fine	31.214 \| good	0.411 \| good	2.65 \| good	0.243 \| good
2025-06-08T10:00:00.000Z	64 \| moderate	16.366 \| fine	72.655 \| fine	32.348 \| good	0.333 \| good	1.938 \| good	0.281 \| good
2025-06-08T11:00:00.000Z	66 \| moderate	17.362 \| fine	77.002 \| fine	32.408 \| good	0.394 \| good	2.169 \| good	0.271 \| good
2025-06-08T12:00:00.000Z	67 \| moderate	18.464 \| fine	81.408 \| fine	34.546 \| good	0.454 \| good	2.4 \| good	0.262 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	14.698 \| fine	65.976 \| fine	36.145 \| good	0.413 \| good	1.537 \| good	0.264 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	10.87 \| good	47.826 \| good	35.701 \| good	0.458 \| good	1.663 \| good	0.261 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	9.612 \| good	43.012 \| good	35.329 \| good	0.502 \| good	1.789 \| good	0.258 \| good
2025-06-08T16:00:00.000Z	56 \| moderate	12.412 \| fine	56.052 \| fine	38.868 \| good	0.26 \| good	0.98 \| good	0.27 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	12.704 \| fine	56.71 \| fine	45.075 \| good	0.266 \| good	1.039 \| good	0.271 \| good
2025-06-08T18:00:00.000Z	52 \| moderate	9.943 \| good	44.366 \| good	48.775 \| good	0.273 \| good	1.097 \| good	0.272 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	9.749 \| good	43.403 \| good	48.436 \| good	0.25 \| good	1.496 \| good	0.274 \| good
2025-06-08T20:00:00.000Z	56 \| moderate	11.548 \| good	51.099 \| good	43.346 \| good	0.259 \| good	1.569 \| good	0.272 \| good
2025-06-08T21:00:00.000Z	60 \| moderate	14.295 \| fine	63.948 \| fine	42.883 \| good	0.268 \| good	1.641 \| good	0.27 \| good
2025-06-08T22:00:00.000Z	64 \| moderate	16.413 \| fine	72.645 \| fine	40.762 \| good	0.428 \| good	4.125 \| good	0.288 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	16.119 \| fine	71.791 \| fine	34.651 \| good	0.461 \| good	4.296 \| good	0.285 \| good
2025-06-09T00:00:00.000Z	58 \| moderate	12.803 \| fine	57.847 \| fine	32.257 \| good	0.495 \| good	4.468 \| good	0.281 \| good
2025-06-09T01:00:00.000Z	56 \| moderate	11.798 \| good	53.008 \| good	32.922 \| good	0.675 \| good	6.518 \| good	0.296 \| good
2025-06-09T02:00:00.000Z	56 \| moderate	12.496 \| fine	56.434 \| fine	30.858 \| good	0.724 \| good	6.661 \| good	0.291 \| good
2025-06-09T03:00:00.000Z	54 \| moderate	10.958 \| good	48.456 \| good	30.288 \| good	0.773 \| good	6.804 \| good	0.287 \| good
2025-06-09T04:00:00.000Z	49 \| good	8.74 \| good	38.505 \| good	33.128 \| good	0.722 \| good	6.839 \| good	0.303 \| good
2025-06-09T05:00:00.000Z	49 \| good	8.755 \| good	38.672 \| good	35.677 \| good	0.78 \| good	6.544 \| good	0.293 \| good
2025-06-09T06:00:00.000Z	60 \| moderate	13.507 \| fine	13.987 \| good	33.195 \| good	0.825 \| good	6.182 \| good	0.284 \| good
2025-06-09T07:00:00.000Z	49 \| good	8.823 \| good	39.051 \| good	38.705 \| good	0.71 \| good	4.733 \| good	0.287 \| good
2025-06-09T08:00:00.000Z	49 \| good	8.749 \| good	38.233 \| good	38.57 \| good	0.76 \| good	4.586 \| good	0.28 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.564 \| good	33.141 \| good	35.383 \| good	0.811 \| good	4.44 \| good	0.272 \| good
2025-06-09T10:00:00.000Z	44 \| good	7.618 \| good	33.441 \| good	34.666 \| good	0.631 \| good	2.222 \| good	0.272 \| good
2025-06-09T11:00:00.000Z	49 \| good	8.818 \| good	38.404 \| good	32.194 \| good	0.676 \| good	2.342 \| good	0.27 \| good

Holden

Empower business decisions with accurate air quality data

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

0.27ppm

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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Frequently asked questions

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

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

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

The worst air quality in Holden, Massachusetts was recorded at 11:00:00 on 2025-06-06.

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

The best air quality in Holden, Massachusetts was recorded at 06:00:00 on 2025-06-07.

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

The real-time air quality index in Holden, Massachusetts is 62, currently categorized as Moderate.

Which pollutant is found most often in Holden, Massachusetts?

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

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

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

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

The measured PM_2.5 levels in Holden, Massachusetts at present are 15.08 μg/m³.

What are the current PM₁₀ levels at Holden, Massachusetts?

The current PM₁₀ levels in Holden, Massachusetts are 39.203 μg/m³.

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

The current carbon monoxide (CO) level in Holden, Massachusetts is 0.263 ppm.

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

The current sulfur dioxide (SO₂) levels in Holden, Massachusetts are 0.705 ppb.

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

The current ozone (O₃) levels at Holden, Massachusetts is 24.961 ppm.

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

The current nitrogen dioxide (NO₂) levels at Holden, Massachusetts is 6.543 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	56 \| moderate	11.76 \| good	40.276 \| good	47.799 \| good	0.616 \| good	15.318 \| good	0.319 \| good
2025-06-05T13:00:00.000Z	58 \| moderate	12.943 \| fine	33.106 \| good	48.121 \| good	0.279 \| good	19.507 \| good	0.385 \| good
2025-06-05T14:00:00.000Z	60 \| moderate	13.504 \| fine	34.31 \| good	48.905 \| good	0.74 \| good	11.165 \| good	0.457 \| good
2025-06-05T15:00:00.000Z	62 \| moderate	14.507 \| fine	35.94 \| good	50.52 \| good	0.724 \| good	6.763 \| good	0.293 \| good
2025-06-05T16:00:00.000Z	64 \| moderate	16.433 \| fine	41.047 \| good	53.91 \| good	0.749 \| good	5.056 \| good	0.292 \| good
2025-06-05T17:00:00.000Z	66 \| moderate	17.448 \| fine	45.767 \| good	55.401 \| fine	0.904 \| good	6.354 \| good	0.293 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	18.461 \| fine	33.626 \| good	56.58 \| fine	0.848 \| good	3.99 \| good	0.305 \| good
2025-06-05T19:00:00.000Z	67 \| moderate	18.114 \| fine	47.647 \| good	58.47 \| fine	0.784 \| good	3.913 \| good	0.285 \| good
2025-06-05T20:00:00.000Z	67 \| moderate	18.099 \| fine	49.391 \| good	59.177 \| fine	0.295 \| good	4.977 \| good	0.286 \| good
2025-06-05T21:00:00.000Z	67 \| moderate	17.962 \| fine	57.771 \| fine	59.797 \| fine	0.719 \| good	5.063 \| good	0.286 \| good
2025-06-05T22:00:00.000Z	69 \| moderate	18.583 \| fine	48.211 \| good	59.999 \| fine	0.665 \| good	5.484 \| good	0.301 \| good
2025-06-05T23:00:00.000Z	69 \| moderate	18.823 \| fine	56.367 \| fine	57.557 \| fine	0.698 \| good	4.475 \| good	0.313 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	19.333 \| fine	42.026 \| good	58.516 \| fine	0.689 \| good	5.69 \| good	0.319 \| good
2025-06-06T01:00:00.000Z	69 \| moderate	18.584 \| fine	51.077 \| good	60.134 \| fine	0.643 \| good	7.467 \| good	0.32 \| good
2025-06-06T02:00:00.000Z	74 \| moderate	19.065 \| fine	39.106 \| good	61.687 \| fine	0.687 \| good	8.518 \| good	0.319 \| good
2025-06-06T03:00:00.000Z	93 \| moderate	19.411 \| fine	60.251 \| fine	67.898 \| fine	0.707 \| good	10.647 \| good	0.391 \| good
2025-06-06T04:00:00.000Z	84 \| moderate	18.662 \| fine	88.239 \| fine	65.033 \| fine	0.735 \| good	10.177 \| good	0.336 \| good
2025-06-06T05:00:00.000Z	84 \| moderate	19.259 \| fine	71.516 \| fine	64.919 \| fine	0.759 \| good	16.32 \| good	0.28 \| good
2025-06-06T06:00:00.000Z	84 \| moderate	19.893 \| fine	26.94 \| good	64.72 \| fine	0.777 \| good	18.258 \| good	0.213 \| good
2025-06-06T07:00:00.000Z	87 \| moderate	19.583 \| fine	27.985 \| good	66.299 \| fine	0.688 \| good	7.921 \| good	0.254 \| good
2025-06-06T08:00:00.000Z	90 \| moderate	18.735 \| fine	63.418 \| fine	66.634 \| fine	0.636 \| good	5.952 \| good	0.215 \| good
2025-06-06T09:00:00.000Z	73 \| moderate	20.569 \| fine	32.921 \| good	55.692 \| fine	0.639 \| good	4.826 \| good	0.291 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	19.488 \| fine	32.611 \| good	51.198 \| good	0.774 \| good	5.645 \| good	0.284 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.158 \| fine	38.068 \| good	47.465 \| good	0.769 \| good	6.053 \| good	0.3 \| good
2025-06-06T12:00:00.000Z	69 \| moderate	19.324 \| fine	36.927 \| good	42.986 \| good	0.805 \| good	6.454 \| good	0.351 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	17.209 \| fine	32.08 \| good	43.453 \| good	0.779 \| good	6.898 \| good	0.28 \| good
2025-06-06T14:00:00.000Z	62 \| moderate	15.409 \| fine	26.633 \| good	42.368 \| good	0.795 \| good	7.977 \| good	0.272 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	13.976 \| fine	36.86 \| good	44.612 \| good	0.567 \| good	6.378 \| good	0.272 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.024 \| fine	40.705 \| good	42.569 \| good	0.417 \| good	5.582 \| good	0.272 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.498 \| fine	27.245 \| good	48.476 \| good	0.377 \| good	6.129 \| good	0.266 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.605 \| fine	31.526 \| good	51.745 \| good	0.529 \| good	7.316 \| good	0.272 \| good
2025-06-06T19:00:00.000Z	62 \| moderate	14.562 \| fine	37.5 \| good	54.845 \| good	0.488 \| good	9.266 \| good	0.424 \| good
2025-06-06T20:00:00.000Z	64 \| moderate	16.315 \| fine	55.926 \| fine	53.723 \| good	0.629 \| good	6.89 \| good	0.346 \| good
2025-06-06T21:00:00.000Z	64 \| moderate	16.408 \| fine	46.759 \| good	56.193 \| fine	0.851 \| good	8.264 \| good	0.365 \| good
2025-06-06T22:00:00.000Z	67 \| moderate	17.739 \| fine	46.91 \| good	54.717 \| good	0.384 \| good	7.464 \| good	0.359 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.638 \| fine	36.414 \| good	45.874 \| good	0.848 \| good	9.42 \| good	0.36 \| good
2025-06-07T00:00:00.000Z	62 \| moderate	15.271 \| fine	35.667 \| good	41.668 \| good	0.707 \| good	8.064 \| good	0.365 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.895 \| fine	45.511 \| good	42.089 \| good	0.24 \| good	4.755 \| good	0.3 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.054 \| fine	45.328 \| good	42.361 \| good	0.683 \| good	4.997 \| good	0.299 \| good
2025-06-07T03:00:00.000Z	60 \| moderate	14.39 \| fine	46.366 \| good	38.84 \| good	0.792 \| good	7.343 \| good	0.279 \| good
2025-06-07T04:00:00.000Z	54 \| moderate	10.77 \| good	30.387 \| good	43.61 \| good	0.796 \| good	3.967 \| good	0.215 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.832 \| fine	28.105 \| good	43.713 \| good	1.024 \| good	5.478 \| good	0.149 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.407 \| good	41.872 \| good	43.55 \| good	1.007 \| good	6.539 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	53 \| moderate	6.982 \| good	59.339 \| fine	31.64 \| good	0.71 \| good	5.82 \| good	0.187 \| good
2025-06-07T08:00:00.000Z	60 \| moderate	14.1 \| fine	61.352 \| fine	30.36 \| good	0.75 \| good	5.395 \| good	0.191 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	13.343 \| fine	22.879 \| good	23.864 \| good	0.69 \| good	6.837 \| good	0.27 \| good
2025-06-07T10:00:00.000Z	62 \| moderate	15.08 \| fine	39.203 \| good	24.961 \| good	0.705 \| good	6.543 \| good	0.263 \| good
2025-06-07T11:00:00.000Z	62 \| moderate	15.08 \| fine	39.203 \| good	24.961 \| good	0.705 \| good	6.543 \| good	0.263 \| good
2025-06-07T12:00:00.000Z	33 \| good	6.05 \| good	26.895 \| good	30.069 \| good	0.11 \| good	2.662 \| good	0.155 \| good
2025-06-07T13:00:00.000Z	33 \| good	6.329 \| good	28.323 \| good	32.652 \| good	0.211 \| good	2.071 \| good	0.152 \| good
2025-06-07T14:00:00.000Z	49 \| good	8.902 \| good	39.242 \| good	34.326 \| good	0.209 \| good	2.05 \| good	0.149 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.002 \| good	44.568 \| good	34.466 \| good	0.206 \| good	2.03 \| good	0.146 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.748 \| good	47.642 \| good	38.356 \| good	0.325 \| good	1.539 \| good	0.156 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.678 \| good	47.058 \| good	38 \| good	0.332 \| good	1.591 \| good	0.152 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	10.129 \| good	44.905 \| good	38.004 \| good	0.339 \| good	1.643 \| good	0.148 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.661 \| good	37.958 \| good	39.305 \| good	0.23 \| good	1.728 \| good	0.186 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.652 \| good	37.678 \| good	39.765 \| good	0.269 \| good	1.813 \| good	0.182 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.805 \| good	34.27 \| good	38.182 \| good	0.309 \| good	1.898 \| good	0.178 \| good
2025-06-07T22:00:00.000Z	38 \| good	7.154 \| good	31.645 \| good	41.493 \| good	0.171 \| good	3.615 \| good	0.231 \| good
2025-06-07T23:00:00.000Z	44 \| good	8.159 \| good	35.784 \| good	43.295 \| good	0.197 \| good	3.973 \| good	0.23 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.824 \| good	34.486 \| good	43.533 \| good	0.222 \| good	4.33 \| good	0.229 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	11.348 \| good	50.202 \| good	38.422 \| good	0.212 \| good	3.185 \| good	0.244 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	13.957 \| fine	62.256 \| fine	34.816 \| good	0.239 \| good	3.703 \| good	0.243 \| good
2025-06-08T03:00:00.000Z	62 \| moderate	14.828 \| fine	65.619 \| fine	33.394 \| good	0.267 \| good	4.22 \| good	0.242 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	14.6 \| fine	64.998 \| fine	33.739 \| good	0.277 \| good	2.57 \| good	0.251 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.609 \| fine	57.017 \| fine	32.13 \| good	0.318 \| good	3.014 \| good	0.242 \| good
2025-06-08T06:00:00.000Z	52 \| moderate	9.607 \| good	42.479 \| good	33.714 \| good	0.36 \| good	3.458 \| good	0.234 \| good
2025-06-08T07:00:00.000Z	52 \| moderate	10.149 \| good	45.029 \| good	34.089 \| good	0.328 \| good	2.03 \| good	0.269 \| good
2025-06-08T08:00:00.000Z	58 \| moderate	13.273 \| fine	60.083 \| fine	34.926 \| good	0.37 \| good	2.34 \| good	0.256 \| good
2025-06-08T09:00:00.000Z	64 \| moderate	16.369 \| fine	72.747 \| fine	31.214 \| good	0.411 \| good	2.65 \| good	0.243 \| good
2025-06-08T10:00:00.000Z	64 \| moderate	16.366 \| fine	72.655 \| fine	32.348 \| good	0.333 \| good	1.938 \| good	0.281 \| good
2025-06-08T11:00:00.000Z	66 \| moderate	17.362 \| fine	77.002 \| fine	32.408 \| good	0.394 \| good	2.169 \| good	0.271 \| good
2025-06-08T12:00:00.000Z	67 \| moderate	18.464 \| fine	81.408 \| fine	34.546 \| good	0.454 \| good	2.4 \| good	0.262 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	14.698 \| fine	65.976 \| fine	36.145 \| good	0.413 \| good	1.537 \| good	0.264 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	10.87 \| good	47.826 \| good	35.701 \| good	0.458 \| good	1.663 \| good	0.261 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	9.612 \| good	43.012 \| good	35.329 \| good	0.502 \| good	1.789 \| good	0.258 \| good
2025-06-08T16:00:00.000Z	56 \| moderate	12.412 \| fine	56.052 \| fine	38.868 \| good	0.26 \| good	0.98 \| good	0.27 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	12.704 \| fine	56.71 \| fine	45.075 \| good	0.266 \| good	1.039 \| good	0.271 \| good
2025-06-08T18:00:00.000Z	52 \| moderate	9.943 \| good	44.366 \| good	48.775 \| good	0.273 \| good	1.097 \| good	0.272 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	9.749 \| good	43.403 \| good	48.436 \| good	0.25 \| good	1.496 \| good	0.274 \| good
2025-06-08T20:00:00.000Z	56 \| moderate	11.548 \| good	51.099 \| good	43.346 \| good	0.259 \| good	1.569 \| good	0.272 \| good
2025-06-08T21:00:00.000Z	60 \| moderate	14.295 \| fine	63.948 \| fine	42.883 \| good	0.268 \| good	1.641 \| good	0.27 \| good
2025-06-08T22:00:00.000Z	64 \| moderate	16.413 \| fine	72.645 \| fine	40.762 \| good	0.428 \| good	4.125 \| good	0.288 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	16.119 \| fine	71.791 \| fine	34.651 \| good	0.461 \| good	4.296 \| good	0.285 \| good
2025-06-09T00:00:00.000Z	58 \| moderate	12.803 \| fine	57.847 \| fine	32.257 \| good	0.495 \| good	4.468 \| good	0.281 \| good
2025-06-09T01:00:00.000Z	56 \| moderate	11.798 \| good	53.008 \| good	32.922 \| good	0.675 \| good	6.518 \| good	0.296 \| good
2025-06-09T02:00:00.000Z	56 \| moderate	12.496 \| fine	56.434 \| fine	30.858 \| good	0.724 \| good	6.661 \| good	0.291 \| good
2025-06-09T03:00:00.000Z	54 \| moderate	10.958 \| good	48.456 \| good	30.288 \| good	0.773 \| good	6.804 \| good	0.287 \| good
2025-06-09T04:00:00.000Z	49 \| good	8.74 \| good	38.505 \| good	33.128 \| good	0.722 \| good	6.839 \| good	0.303 \| good
2025-06-09T05:00:00.000Z	49 \| good	8.755 \| good	38.672 \| good	35.677 \| good	0.78 \| good	6.544 \| good	0.293 \| good
2025-06-09T06:00:00.000Z	60 \| moderate	13.507 \| fine	13.987 \| good	33.195 \| good	0.825 \| good	6.182 \| good	0.284 \| good
2025-06-09T07:00:00.000Z	49 \| good	8.823 \| good	39.051 \| good	38.705 \| good	0.71 \| good	4.733 \| good	0.287 \| good
2025-06-09T08:00:00.000Z	49 \| good	8.749 \| good	38.233 \| good	38.57 \| good	0.76 \| good	4.586 \| good	0.28 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.564 \| good	33.141 \| good	35.383 \| good	0.811 \| good	4.44 \| good	0.272 \| good
2025-06-09T10:00:00.000Z	44 \| good	7.618 \| good	33.441 \| good	34.666 \| good	0.631 \| good	2.222 \| good	0.272 \| good
2025-06-09T11:00:00.000Z	49 \| good	8.818 \| good	38.404 \| good	32.194 \| good	0.676 \| good	2.342 \| good	0.27 \| good

Live air quality index in Holden, Massachusetts today

Major air pollutants in Holden, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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What are the current PM10 levels at Holden, Massachusetts?

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

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

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

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

What are the current PM₁₀ levels at Holden, Massachusetts?

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

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

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