What are the current PM10 levels at Stoneham, Massachusetts?

The current PM10 levels in Stoneham, Massachusetts are 16.993 μg/m3.

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

The current sulfur dioxide (SO2) levels in Stoneham, Massachusetts are 0.651 ppb.

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

The current ozone (O3) levels at Stoneham, Massachusetts is 44.458 ppm.

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

The current nitrogen dioxide (NO2) levels at Stoneham, Massachusetts is 5.477 ppb.

Real-time air quality index in Stoneham, Massachusetts today

Q: What are the current PM2.5 levels in Stoneham, Massachusetts?

The measured PM2.5 levels in Stoneham, Massachusetts at present are 4.516 μg/m3.

Stay updated with real-time air quality in Stoneham, 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

Stoneham, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Stoneham, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.52 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.99 μg/m³

155

255

425

605+

Ozone (O₃)

44.46 ppb

201

201+

Sulfur Dioxide (SO₂)

0.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.48 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Stoneham, Massachusetts

Scroll To Air Quality Map

Track live Stoneham, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-28T01:00:00.000Z	36 \| good	4.112 \| good	14.997 \| good	38.554 \| good	0.387 \| good	7.458 \| good	0.172 \| good
2026-03-28T02:00:00.000Z	34 \| good	4.382 \| good	15.717 \| good	37.246 \| good	0.616 \| good	6.872 \| good	0.166 \| good
2026-03-28T03:00:00.000Z	35 \| good	4.314 \| good	14.958 \| good	37.717 \| good	0.593 \| good	6.759 \| good	0.218 \| good
2026-03-28T04:00:00.000Z	36 \| good	4.235 \| good	14.803 \| good	38.809 \| good	0.587 \| good	6.394 \| good	0.28 \| good
2026-03-28T05:00:00.000Z	34 \| good	4.311 \| good	14.803 \| good	37.117 \| good	0.344 \| good	5.489 \| good	0.2 \| good
2026-03-28T06:00:00.000Z	34 \| good	4.311 \| good	14.803 \| good	37.007 \| good	0.356 \| good	5.413 \| good	0.206 \| good
2026-03-28T07:00:00.000Z	31 \| good	4.222 \| good	14.663 \| good	34.146 \| good	0.581 \| good	5.37 \| good	0.16 \| good
2026-03-28T08:00:00.000Z	34 \| good	4.204 \| good	14.648 \| good	37.277 \| good	0.505 \| good	4.135 \| good	0.16 \| good
2026-03-28T09:00:00.000Z	34 \| good	4.178 \| good	14.624 \| good	37.097 \| good	0.486 \| good	4.811 \| good	0.114 \| good
2026-03-28T10:00:00.000Z	34 \| good	4.15 \| good	14.624 \| good	37.156 \| good	0.535 \| good	4.797 \| good	0.16 \| good
2026-03-28T11:00:00.000Z	34 \| good	4.193 \| good	14.624 \| good	37.191 \| good	0.528 \| good	4.913 \| good	0.166 \| good
2026-03-28T12:00:00.000Z	34 \| good	4.221 \| good	14.765 \| good	37.067 \| good	0.471 \| good	6.108 \| good	0.166 \| good
2026-03-28T13:00:00.000Z	34 \| good	4.221 \| good	14.765 \| good	36.64 \| good	0.486 \| good	6.043 \| good	0.166 \| good
2026-03-28T14:00:00.000Z	33 \| good	4.335 \| good	15.095 \| good	36.414 \| good	0.532 \| good	4.08 \| good	0.166 \| good
2026-03-28T15:00:00.000Z	33 \| good	4.387 \| good	15.765 \| good	36.046 \| good	0.587 \| good	3.172 \| good	0.166 \| good
2026-03-28T16:00:00.000Z	35 \| good	4.461 \| good	15.765 \| good	37.695 \| good	0.575 \| good	2.886 \| good	0.166 \| good
2026-03-28T17:00:00.000Z	36 \| good	4.556 \| good	15.905 \| good	39.171 \| good	0.571 \| good	2.835 \| good	0.166 \| good
2026-03-28T18:00:00.000Z	38 \| good	4.584 \| good	16.045 \| good	40.887 \| good	0.65 \| good	2.401 \| good	0.166 \| good
2026-03-28T19:00:00.000Z	39 \| good	4.948 \| good	17.726 \| good	42.461 \| good	0.606 \| good	2.012 \| good	0.166 \| good
2026-03-28T20:00:00.000Z	39 \| good	5.426 \| good	19.688 \| good	41.588 \| good	0.615 \| good	2.327 \| good	0.166 \| good
2026-03-28T21:00:00.000Z	39 \| good	5.426 \| good	19.688 \| good	41.886 \| good	0.623 \| good	3.696 \| good	0.172 \| good
2026-03-28T22:00:00.000Z	38 \| good	4.746 \| good	16.9 \| good	41.483 \| good	0.553 \| good	3.497 \| good	0.166 \| good
2026-03-28T23:00:00.000Z	38 \| good	4.547 \| good	16.224 \| good	40.683 \| good	0.495 \| good	4.057 \| good	0.212 \| good
2026-03-29T00:00:00.000Z	36 \| good	4.404 \| good	15.62 \| good	38.622 \| good	0.561 \| good	4.583 \| good	0.212 \| good
2026-03-29T01:00:00.000Z	35 \| good	4.374 \| good	15.356 \| good	37.946 \| good	0.601 \| good	5.608 \| good	0.264 \| good
2026-03-29T02:00:00.000Z	34 \| good	4.381 \| good	15.457 \| good	36.534 \| good	0.596 \| good	7.469 \| good	0.218 \| good
2026-03-29T03:00:00.000Z	28 \| good	3.158 \| good	13.488 \| good	30.186 \| good	0.833 \| good	9.199 \| good	0.232 \| good
2026-03-29T04:00:00.000Z	34 \| good	3.978 \| good	14.375 \| good	37.419 \| good	0.569 \| good	6.145 \| good	0.206 \| good
2026-03-29T05:00:00.000Z	33 \| good	3.862 \| good	13.788 \| good	36.468 \| good	0.572 \| good	5.691 \| good	0.206 \| good
2026-03-29T06:00:00.000Z	35 \| good	3.862 \| good	13.788 \| good	38.101 \| good	0.572 \| good	5.961 \| good	0.206 \| good
2026-03-29T07:00:00.000Z	34 \| good	3.789 \| good	13.095 \| good	37.371 \| good	0.57 \| good	5.978 \| good	0.166 \| good
2026-03-29T08:00:00.000Z	34 \| good	3.615 \| good	12.765 \| good	36.671 \| good	0.56 \| good	7.083 \| good	0.206 \| good
2026-03-29T09:00:00.000Z	33 \| good	3.615 \| good	12.765 \| good	36.233 \| good	0.558 \| good	7.08 \| good	0.206 \| good
2026-03-29T10:00:00.000Z	30 \| good	3.548 \| good	12.647 \| good	31.713 \| good	0.547 \| good	11.492 \| good	0.205 \| good
2026-03-29T11:00:00.000Z	29 \| good	3.635 \| good	13.106 \| good	30.891 \| good	0.558 \| good	12.134 \| good	0.216 \| good
2026-03-29T12:00:00.000Z	30 \| good	3.775 \| good	13.916 \| good	31.908 \| good	0.504 \| good	11.934 \| good	0.262 \| good
2026-03-29T13:00:00.000Z	31 \| good	3.775 \| good	13.916 \| good	32.803 \| good	0.509 \| good	12.018 \| good	0.247 \| good
2026-03-29T14:00:00.000Z	31 \| good	4.242 \| good	14.912 \| good	34.377 \| good	0.546 \| good	3.404 \| good	0.172 \| good
2026-03-29T15:00:00.000Z	33 \| good	4.352 \| good	15.146 \| good	35.824 \| good	0.547 \| good	3.244 \| good	0.166 \| good
2026-03-29T16:00:00.000Z	35 \| good	4.455 \| good	15.337 \| good	37.866 \| good	0.575 \| good	2.779 \| good	0.166 \| good
2026-03-29T17:00:00.000Z	38 \| good	4.421 \| good	15.624 \| good	41.484 \| good	0.559 \| good	2.515 \| good	0.166 \| good
2026-03-29T18:00:00.000Z	38 \| good	4.25 \| good	14.815 \| good	41.335 \| good	0.556 \| good	2.881 \| good	0.166 \| good
2026-03-29T19:00:00.000Z	40 \| good	4.162 \| good	14.624 \| good	43.198 \| good	0.539 \| good	2.638 \| good	0.166 \| good
2026-03-29T20:00:00.000Z	40 \| good	3.976 \| good	14.103 \| good	42.836 \| good	0.585 \| good	2.056 \| good	0.166 \| good
2026-03-29T21:00:00.000Z	41 \| good	4.041 \| good	14.368 \| good	44.288 \| good	0.598 \| good	2.686 \| good	0.166 \| good
2026-03-29T22:00:00.000Z	41 \| good	4.229 \| good	15.037 \| good	43.896 \| good	0.595 \| good	3.261 \| good	0.206 \| good
2026-03-29T23:00:00.000Z	43 \| good	4.362 \| good	15.912 \| good	46.086 \| good	0.57 \| good	4.17 \| good	0.212 \| good
2026-03-30T00:00:00.000Z	41 \| good	4.545 \| good	16.499 \| good	44.436 \| good	0.643 \| good	5.302 \| good	0.212 \| good
2026-03-30T00:00:00.000Z	41 \| good	4.516 \| good	16.993 \| good	44.458 \| good	0.651 \| good	5.477 \| good	0.211 \| good
2026-03-30T01:00:00.000Z	37 \| good	6.085 \| good	27.001 \| good	40.437 \| good	1.461 \| good	8.513 \| good	0.198 \| good
2026-03-30T02:00:00.000Z	38 \| good	7.454 \| good	32.824 \| good	37.379 \| good	1.534 \| good	7.737 \| good	0.197 \| good
2026-03-30T03:00:00.000Z	38 \| good	7.394 \| good	32.632 \| good	35.583 \| good	1.607 \| good	6.962 \| good	0.196 \| good
2026-03-30T04:00:00.000Z	33 \| good	6.43 \| good	28.974 \| good	35.458 \| good	1.476 \| good	5.983 \| good	0.189 \| good
2026-03-30T05:00:00.000Z	33 \| good	6.202 \| good	27.493 \| good	33.879 \| good	1.345 \| good	5.003 \| good	0.183 \| good
2026-03-30T06:00:00.000Z	38 \| good	7.137 \| good	31.65 \| good	32.376 \| good	1.214 \| good	4.024 \| good	0.176 \| good
2026-03-30T07:00:00.000Z	38 \| good	6.782 \| good	30 \| good	35.861 \| good	1.083 \| good	3.564 \| good	0.167 \| good
2026-03-30T08:00:00.000Z	33 \| good	6.208 \| good	27.457 \| good	35.639 \| good	0.951 \| good	3.105 \| good	0.158 \| good
2026-03-30T09:00:00.000Z	33 \| good	5.541 \| good	23.708 \| good	32.839 \| good	0.82 \| good	2.645 \| good	0.149 \| good
2026-03-30T10:00:00.000Z	27 \| good	0.978 \| good	4.016 \| good	28.689 \| good	0.865 \| good	3.497 \| good	0.158 \| good
2026-03-30T11:00:00.000Z	28 \| good	0.724 \| good	2.743 \| good	29.804 \| good	0.911 \| good	4.348 \| good	0.167 \| good
2026-03-30T12:00:00.000Z	28 \| good	2.64 \| good	10.898 \| good	29.953 \| good	0.956 \| good	5.2 \| good	0.176 \| good
2026-03-30T13:00:00.000Z	31 \| good	4.664 \| good	20.259 \| good	32.606 \| good	1.132 \| good	5.17 \| good	0.185 \| good
2026-03-30T14:00:00.000Z	38 \| good	7.066 \| good	31.192 \| good	36.57 \| good	1.307 \| good	5.141 \| good	0.193 \| good
2026-03-30T15:00:00.000Z	34 \| good	6.331 \| good	28.048 \| good	36.908 \| good	1.483 \| good	5.111 \| good	0.202 \| good
2026-03-30T16:00:00.000Z	44 \| good	7.575 \| good	33.448 \| good	37.305 \| good	1.643 \| good	5.06 \| good	0.2 \| good
2026-03-30T17:00:00.000Z	44 \| good	8.399 \| good	36.948 \| good	36.776 \| good	1.804 \| good	5.009 \| good	0.198 \| good
2026-03-30T18:00:00.000Z	54 \| moderate	11.291 \| good	49.772 \| good	37.694 \| good	1.965 \| good	4.958 \| good	0.196 \| good
2026-03-30T19:00:00.000Z	54 \| moderate	10.931 \| good	48.111 \| good	41.381 \| good	1.95 \| good	5.467 \| good	0.193 \| good
2026-03-30T20:00:00.000Z	54 \| moderate	10.972 \| good	48.558 \| good	42.131 \| good	1.936 \| good	5.976 \| good	0.191 \| good
2026-03-30T21:00:00.000Z	54 \| moderate	11.211 \| good	49.839 \| good	37.235 \| good	1.922 \| good	6.486 \| good	0.188 \| good
2026-03-30T22:00:00.000Z	49 \| good	8.657 \| good	38.17 \| good	36.784 \| good	1.956 \| good	7.731 \| good	0.193 \| good
2026-03-30T23:00:00.000Z	38 \| good	7.229 \| good	31.898 \| good	32.428 \| good	1.99 \| good	8.976 \| good	0.199 \| good
2026-03-31T00:00:00.000Z	33 \| good	6.385 \| good	28.376 \| good	29.582 \| good	2.025 \| good	10.222 \| good	0.205 \| good
2026-03-31T01:00:00.000Z	33 \| good	6.471 \| good	28.782 \| good	28.609 \| good	2.109 \| good	9.902 \| good	0.204 \| good
2026-03-31T02:00:00.000Z	52 \| moderate	10.013 \| good	44.516 \| good	34.011 \| good	2.194 \| good	9.582 \| good	0.203 \| good
2026-03-31T03:00:00.000Z	56 \| moderate	11.946 \| good	53.385 \| good	29.458 \| good	2.278 \| good	9.262 \| good	0.202 \| good
2026-03-31T04:00:00.000Z	58 \| moderate	12.901 \| fine	58.311 \| fine	25.994 \| good	2.347 \| good	8.71 \| good	0.203 \| good
2026-03-31T05:00:00.000Z	58 \| moderate	13.395 \| fine	60.532 \| fine	24.622 \| good	2.417 \| good	8.159 \| good	0.203 \| good
2026-03-31T06:00:00.000Z	60 \| moderate	14.147 \| fine	14.442 \| good	36.738 \| good	2.483 \| good	7.592 \| good	0.203 \| good
2026-03-31T07:00:00.000Z	56 \| moderate	11.517 \| good	50.755 \| good	26.61 \| good	2.4 \| good	7.291 \| good	0.2 \| good
2026-03-31T08:00:00.000Z	56 \| moderate	12.159 \| fine	54.52 \| good	24.726 \| good	2.315 \| good	6.974 \| good	0.196 \| good
2026-03-31T09:00:00.000Z	58 \| moderate	13.396 \| fine	60.005 \| fine	20.681 \| good	2.229 \| good	6.657 \| good	0.192 \| good
2026-03-31T10:00:00.000Z	52 \| moderate	9.709 \| good	42.969 \| good	24.32 \| good	2.096 \| good	8.093 \| good	0.196 \| good
2026-03-31T11:00:00.000Z	44 \| good	8.481 \| good	37.215 \| good	22.928 \| good	1.964 \| good	9.528 \| good	0.2 \| good
2026-03-31T12:00:00.000Z	58 \| moderate	13.458 \| fine	13.743 \| good	31.691 \| good	1.819 \| good	10.89 \| good	0.204 \| good
2026-03-31T13:00:00.000Z	58 \| moderate	13.223 \| fine	13.496 \| good	32.912 \| good	1.782 \| good	9.867 \| good	0.2 \| good
2026-03-31T14:00:00.000Z	56 \| moderate	12.468 \| fine	12.742 \| good	34.132 \| good	1.745 \| good	8.844 \| good	0.197 \| good
2026-03-31T15:00:00.000Z	52 \| moderate	10.42 \| good	10.772 \| good	35.353 \| good	1.708 \| good	7.821 \| good	0.194 \| good
2026-03-31T16:00:00.000Z	52 \| moderate	10.197 \| good	10.704 \| good	36.964 \| good	1.601 \| good	7.188 \| good	0.192 \| good
2026-03-31T17:00:00.000Z	67 \| moderate	18.281 \| fine	80.981 \| fine	15.552 \| good	1.49 \| good	6.557 \| good	0.19 \| good
2026-03-31T18:00:00.000Z	54 \| moderate	10.688 \| good	11.436 \| good	40.185 \| good	1.386 \| good	5.922 \| good	0.187 \| good
2026-03-31T19:00:00.000Z	54 \| moderate	10.688 \| good	11.456 \| good	37.976 \| good	1.351 \| good	7.012 \| good	0.197 \| good
2026-03-31T20:00:00.000Z	52 \| moderate	10.5 \| good	11.446 \| good	35.766 \| good	1.316 \| good	8.103 \| good	0.206 \| good
2026-03-31T21:00:00.000Z	54 \| moderate	10.967 \| good	12.197 \| good	33.557 \| good	1.282 \| good	9.193 \| good	0.216 \| good
2026-03-31T22:00:00.000Z	49 \| good	9.448 \| good	11.156 \| good	31.395 \| good	1.166 \| good	10.027 \| good	0.222 \| good
2026-03-31T23:00:00.000Z	49 \| good	9.241 \| good	11.121 \| good	29.234 \| good	1.051 \| good	10.86 \| good	0.229 \| good
2026-04-01T00:00:00.000Z	52 \| moderate	10.202 \| good	12.36 \| good	27.073 \| good	0.935 \| good	11.693 \| good	0.236 \| good

Stoneham

Empower business decisions with accurate air quality data

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

0.21ppm

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 Stoneham, Massachusetts updated?

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

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

The worst air quality in Stoneham, Massachusetts was recorded at 11:00:00 on 2026-03-29.

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

The best air quality in Stoneham, Massachusetts was recorded at 03:00:00 on 2026-03-29.

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

The real-time air quality index in Stoneham, Massachusetts is 41, currently categorized as Good.

Which pollutant is found most often in Stoneham, Massachusetts?

The most common pollutant in Stoneham, Massachusetts is O3.

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

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

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

The measured PM_2.5 levels in Stoneham, Massachusetts at present are 4.516 μg/m³.

What are the current PM₁₀ levels at Stoneham, Massachusetts?

The current PM₁₀ levels in Stoneham, Massachusetts are 16.993 μg/m³.

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

The current carbon monoxide (CO) level in Stoneham, Massachusetts is 0.211 ppm.

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

The current sulfur dioxide (SO₂) levels in Stoneham, Massachusetts are 0.651 ppb.

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

The current ozone (O₃) levels at Stoneham, Massachusetts is 44.458 ppm.

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

The current nitrogen dioxide (NO₂) levels at Stoneham, Massachusetts is 5.477 ppb.

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