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

The current PM10 concentration at Dedham, Massachusetts is 27.836 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Dedham, Massachusetts is 0.515 ppb.

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

The current ozone (O3) concentration at Dedham, Massachusetts is 35.572 ppm.

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

The current nitrogen dioxide (NO2) concentration at Dedham, Massachusetts is 11.334 ppb.

Dedham, Massachusetts live air quality index now

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

Stay updated with real-time air quality in Dedham, 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

Dedham, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Dedham, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.23 μg/m³

155

255

425

605+

Ozone (O₃)

25.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.08 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Dedham, Massachusetts

Get Live Pollen Counts

Dedham, Massachusetts

Scroll To Air Quality Map

Track live Dedham, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-13T10:00:00.000Z	33 \| good	5.775 \| good	21.785 \| good	20.102 \| good	0.425 \| good	3.723 \| good	0.315 \| good
2025-09-13T11:00:00.000Z	33 \| good	6.39 \| good	23.371 \| good	21.407 \| good	0.38 \| good	2.971 \| good	0.361 \| good
2025-09-13T12:00:00.000Z	33 \| good	6.36 \| good	23.869 \| good	22.022 \| good	0.491 \| good	10.899 \| good	0.446 \| good
2025-09-13T13:00:00.000Z	33 \| good	6.158 \| good	25.231 \| good	23.226 \| good	0.527 \| good	3.238 \| good	0.376 \| good
2025-09-13T14:00:00.000Z	38 \| good	6.656 \| good	27.877 \| good	24.745 \| good	0.471 \| good	3.601 \| good	0.251 \| good
2025-09-13T15:00:00.000Z	33 \| good	6.065 \| good	24.177 \| good	26.64 \| good	0.429 \| good	2.184 \| good	0.206 \| good
2025-09-13T16:00:00.000Z	33 \| good	5.908 \| good	24.326 \| good	28.985 \| good	0.395 \| good	1.931 \| good	0.206 \| good
2025-09-13T17:00:00.000Z	33 \| good	5.836 \| good	22.897 \| good	33.176 \| good	0.521 \| good	1.78 \| good	0.199 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.213 \| good	25.325 \| good	34.99 \| good	0.487 \| good	1.453 \| good	0.199 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.624 \| good	22.561 \| good	37.021 \| good	0.486 \| good	1.512 \| good	0.199 \| good
2025-09-13T20:00:00.000Z	38 \| good	5.612 \| good	20.689 \| good	41.255 \| good	0.414 \| good	1.978 \| good	0.238 \| good
2025-09-13T21:00:00.000Z	39 \| good	5.063 \| good	19.905 \| good	42.162 \| good	0.504 \| good	3.002 \| good	0.278 \| good
2025-09-13T22:00:00.000Z	38 \| good	5.378 \| good	16.2 \| good	41.227 \| good	0.497 \| good	2.54 \| good	0.278 \| good
2025-09-13T23:00:00.000Z	37 \| good	5.629 \| good	19.428 \| good	40.022 \| good	0.463 \| good	1.848 \| good	0.2 \| good
2025-09-14T00:00:00.000Z	37 \| good	5.76 \| good	18.55 \| good	39.597 \| good	0.434 \| good	2.008 \| good	0.251 \| good
2025-09-14T01:00:00.000Z	35 \| good	5.851 \| good	21.729 \| good	37.571 \| good	0.442 \| good	2.161 \| good	0.253 \| good
2025-09-14T02:00:00.000Z	34 \| good	6.092 \| good	25.965 \| good	37.017 \| good	0.46 \| good	2.025 \| good	0.26 \| good
2025-09-14T03:00:00.000Z	22 \| good	4.068 \| good	18.011 \| good	24.199 \| good	0.638 \| good	6.199 \| good	0.168 \| good
2025-09-14T04:00:00.000Z	33 \| good	5.696 \| good	21.201 \| good	30.755 \| good	0.417 \| good	2.711 \| good	0.318 \| good
2025-09-14T05:00:00.000Z	33 \| good	5.525 \| good	22.81 \| good	28.658 \| good	0.354 \| good	2.757 \| good	0.246 \| good
2025-09-14T06:00:00.000Z	27 \| good	5.268 \| good	21.201 \| good	28.245 \| good	0.414 \| good	2.513 \| good	0.239 \| good
2025-09-14T07:00:00.000Z	27 \| good	5.227 \| good	17.801 \| good	26.653 \| good	0.441 \| good	2.549 \| good	0.278 \| good
2025-09-14T08:00:00.000Z	27 \| good	5.317 \| good	19.836 \| good	25.084 \| good	0.46 \| good	5.638 \| good	0.278 \| good
2025-09-14T09:00:00.000Z	27 \| good	5.061 \| good	15.246 \| good	24.635 \| good	0.425 \| good	2.672 \| good	0.239 \| good
2025-09-14T10:00:00.000Z	27 \| good	5.084 \| good	20.298 \| good	24.478 \| good	0.433 \| good	2.497 \| good	0.238 \| good
2025-09-14T11:00:00.000Z	27 \| good	5.068 \| good	20.561 \| good	23.65 \| good	0.426 \| good	2.676 \| good	0.247 \| good
2025-09-14T12:00:00.000Z	33 \| good	5.794 \| good	25.178 \| good	24.03 \| good	0.395 \| good	2.998 \| good	0.292 \| good
2025-09-14T13:00:00.000Z	33 \| good	5.554 \| good	23.073 \| good	25.183 \| good	0.42 \| good	3.167 \| good	0.377 \| good
2025-09-14T14:00:00.000Z	33 \| good	5.947 \| good	25.184 \| good	26.446 \| good	0.414 \| good	2.864 \| good	0.298 \| good
2025-09-14T15:00:00.000Z	33 \| good	5.978 \| good	22.705 \| good	25.667 \| good	0.428 \| good	2.696 \| good	0.285 \| good
2025-09-14T16:00:00.000Z	38 \| good	6.9 \| good	23.714 \| good	31.031 \| good	0.425 \| good	2.358 \| good	0.253 \| good
2025-09-14T17:00:00.000Z	38 \| good	7.332 \| good	20.245 \| good	38.912 \| good	0.432 \| good	1.451 \| good	0.221 \| good
2025-09-14T18:00:00.000Z	44 \| good	7.931 \| good	31.604 \| good	42.043 \| good	0.446 \| good	1.716 \| good	0.246 \| good
2025-09-14T19:00:00.000Z	40 \| good	7.378 \| good	30.308 \| good	43.364 \| good	0.503 \| good	2.148 \| good	0.239 \| good
2025-09-14T20:00:00.000Z	49 \| good	9.041 \| good	38.644 \| good	46.156 \| good	0.511 \| good	3.135 \| good	0.251 \| good
2025-09-14T21:00:00.000Z	49 \| good	8.594 \| good	34.212 \| good	48.156 \| good	0.51 \| good	2.959 \| good	0.244 \| good
2025-09-14T22:00:00.000Z	49 \| good	9.078 \| good	34.623 \| good	47.076 \| good	0.504 \| good	3.313 \| good	0.244 \| good
2025-09-14T23:00:00.000Z	49 \| good	8.745 \| good	37.865 \| good	46.643 \| good	0.642 \| good	4.015 \| good	0.221 \| good
2025-09-15T00:00:00.000Z	44 \| good	8.358 \| good	35.939 \| good	42.447 \| good	0.499 \| good	3.997 \| good	0.318 \| good
2025-09-15T01:00:00.000Z	49 \| good	8.527 \| good	35.252 \| good	38.048 \| good	0.501 \| good	5.737 \| good	0.377 \| good
2025-09-15T02:00:00.000Z	49 \| good	8.971 \| good	30.768 \| good	35.303 \| good	0.495 \| good	6.174 \| good	0.508 \| good
2025-09-15T03:00:00.000Z	52 \| moderate	10.238 \| good	43.9 \| good	34.27 \| good	0.545 \| good	6.358 \| good	0.692 \| good
2025-09-15T04:00:00.000Z	49 \| good	9.047 \| good	26.622 \| good	32.106 \| good	0.568 \| good	7.578 \| good	0.766 \| good
2025-09-15T05:00:00.000Z	49 \| good	9.468 \| good	37.172 \| good	34.009 \| good	0.46 \| good	7.193 \| good	0.717 \| good
2025-09-15T06:00:00.000Z	54 \| moderate	10.921 \| good	35.995 \| good	33.241 \| good	0.545 \| good	6.952 \| good	0.594 \| good
2025-09-15T07:00:00.000Z	52 \| moderate	10.421 \| good	46.323 \| good	33.337 \| good	0.528 \| good	6.386 \| good	0.555 \| good
2025-09-15T08:00:00.000Z	54 \| moderate	11.129 \| good	41.878 \| good	33.732 \| good	0.476 \| good	5.182 \| good	0.542 \| good
2025-09-15T09:00:00.000Z	54 \| moderate	11.113 \| good	42.113 \| good	31.781 \| good	0.471 \| good	5.474 \| good	0.432 \| good
2025-09-15T09:00:00.000Z	54 \| moderate	11.072 \| good	41.232 \| good	25.619 \| good	0.505 \| good	9.077 \| good	0.431 \| good
2025-09-12T06:00:00.000Z	52 \| moderate	10.372 \| good	46.04 \| good	20.366 \| good	0.639 \| good	5.07 \| good	0.198 \| good
2025-09-12T07:00:00.000Z	49 \| good	9.496 \| good	42.519 \| good	21.299 \| good	0.622 \| good	4.356 \| good	0.187 \| good
2025-09-12T08:00:00.000Z	54 \| moderate	11.183 \| good	49.535 \| good	18.184 \| good	0.605 \| good	3.643 \| good	0.176 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.728 \| good	24.782 \| good	11.293 \| good	0.588 \| good	2.929 \| good	0.165 \| good
2025-09-12T10:00:00.000Z	33 \| good	6.228 \| good	27.922 \| good	7.621 \| good	0.633 \| good	3.657 \| good	0.173 \| good
2025-09-12T11:00:00.000Z	27 \| good	4.959 \| good	21.102 \| good	10.727 \| good	0.678 \| good	4.385 \| good	0.181 \| good
2025-09-12T12:00:00.000Z	22 \| good	4.365 \| good	18.8 \| good	16.782 \| good	0.723 \| good	5.112 \| good	0.189 \| good
2025-09-12T13:00:00.000Z	22 \| good	4.004 \| good	17.501 \| good	20.081 \| good	0.642 \| good	4.099 \| good	0.177 \| good
2025-09-12T14:00:00.000Z	19 \| good	3.41 \| good	15.199 \| good	20.441 \| good	0.562 \| good	3.085 \| good	0.166 \| good
2025-09-12T15:00:00.000Z	22 \| good	3.869 \| good	16.909 \| good	23.852 \| good	0.482 \| good	2.071 \| good	0.155 \| good
2025-09-12T16:00:00.000Z	27 \| good	5.382 \| good	23.045 \| good	26.87 \| good	0.464 \| good	1.876 \| good	0.153 \| good
2025-09-12T17:00:00.000Z	33 \| good	5.551 \| good	24.096 \| good	30.951 \| good	0.445 \| good	1.681 \| good	0.151 \| good
2025-09-12T18:00:00.000Z	33 \| good	5.822 \| good	25.498 \| good	34.823 \| good	0.427 \| good	1.485 \| good	0.149 \| good
2025-09-12T19:00:00.000Z	33 \| good	5.6 \| good	24.547 \| good	35.933 \| good	0.464 \| good	1.845 \| good	0.151 \| good
2025-09-12T20:00:00.000Z	33 \| good	6.128 \| good	27.032 \| good	33.271 \| good	0.501 \| good	2.205 \| good	0.152 \| good
2025-09-12T21:00:00.000Z	28 \| good	5.474 \| good	23.648 \| good	29.814 \| good	0.538 \| good	2.565 \| good	0.154 \| good
2025-09-12T22:00:00.000Z	22 \| good	3.999 \| good	17.373 \| good	24.004 \| good	0.631 \| good	6.018 \| good	0.177 \| good
2025-09-12T23:00:00.000Z	22 \| good	3.697 \| good	16.111 \| good	18.093 \| good	0.724 \| good	9.47 \| good	0.2 \| good
2025-09-13T00:00:00.000Z	16 \| good	3.366 \| good	14.753 \| good	16.323 \| good	0.817 \| good	12.923 \| good	0.223 \| good
2025-09-13T01:00:00.000Z	22 \| good	3.806 \| good	16.786 \| good	16.19 \| good	0.868 \| good	14.367 \| good	0.232 \| good
2025-09-13T02:00:00.000Z	16 \| good	3.003 \| good	12.517 \| good	15.754 \| good	0.919 \| good	15.811 \| good	0.24 \| good
2025-09-13T03:00:00.000Z	22 \| good	3.535 \| good	15.709 \| good	14.881 \| good	0.969 \| good	17.254 \| good	0.249 \| good
2025-09-13T04:00:00.000Z	27 \| good	4.976 \| good	21.532 \| good	14.842 \| good	0.99 \| good	17.833 \| good	0.257 \| good
2025-09-13T05:00:00.000Z	27 \| good	5.223 \| good	22.531 \| good	15.66 \| good	1.01 \| good	18.412 \| good	0.265 \| good
2025-09-13T06:00:00.000Z	27 \| good	4.954 \| good	21.349 \| good	16.034 \| good	1.031 \| good	18.99 \| good	0.273 \| good
2025-09-13T07:00:00.000Z	22 \| good	4.459 \| good	19.269 \| good	16.891 \| good	1.088 \| good	17.894 \| good	0.264 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.126 \| good	17.939 \| good	16.109 \| good	1.146 \| good	16.798 \| good	0.255 \| good
2025-09-13T09:00:00.000Z	22 \| good	4.07 \| good	17.842 \| good	13.082 \| good	1.204 \| good	15.701 \| good	0.247 \| good
2025-09-13T10:00:00.000Z	22 \| good	4.388 \| good	18.82 \| good	14.493 \| good	1.273 \| good	14.924 \| good	0.264 \| good
2025-09-13T11:00:00.000Z	27 \| good	4.666 \| good	20.048 \| good	13.2 \| good	1.342 \| good	14.146 \| good	0.28 \| good
2025-09-13T12:00:00.000Z	22 \| good	4.336 \| good	18.594 \| good	16.642 \| good	1.41 \| good	13.369 \| good	0.297 \| good
2025-09-13T13:00:00.000Z	27 \| good	4.783 \| good	20.4 \| good	21.605 \| good	1.361 \| good	10.998 \| good	0.257 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.957 \| good	25.999 \| good	28.466 \| good	1.311 \| good	8.626 \| good	0.216 \| good
2025-09-13T15:00:00.000Z	44 \| good	8.121 \| good	35.619 \| good	35.678 \| good	1.262 \| good	6.255 \| good	0.176 \| good
2025-09-13T16:00:00.000Z	38 \| good	7.385 \| good	32.733 \| good	37.873 \| good	1.103 \| good	5.274 \| good	0.171 \| good
2025-09-13T17:00:00.000Z	35 \| good	6.48 \| good	28.825 \| good	37.626 \| good	0.945 \| good	4.293 \| good	0.165 \| good
2025-09-13T18:00:00.000Z	44 \| good	7.77 \| good	34.175 \| good	33.941 \| good	0.787 \| good	3.312 \| good	0.16 \| good
2025-09-13T19:00:00.000Z	54 \| moderate	11.001 \| good	48.842 \| good	31.753 \| good	0.772 \| good	3.553 \| good	0.162 \| good
2025-09-13T20:00:00.000Z	49 \| good	8.564 \| good	37.85 \| good	35.464 \| good	0.757 \| good	3.794 \| good	0.164 \| good
2025-09-13T21:00:00.000Z	38 \| good	6.546 \| good	29.145 \| good	37.151 \| good	0.742 \| good	4.035 \| good	0.167 \| good
2025-09-13T22:00:00.000Z	38 \| good	5.404 \| good	23.374 \| good	40.587 \| good	0.788 \| good	6.652 \| good	0.188 \| good
2025-09-13T23:00:00.000Z	35 \| good	3.359 \| good	14.566 \| good	37.82 \| good	0.835 \| good	9.269 \| good	0.209 \| good
2025-09-14T00:00:00.000Z	49 \| good	8.877 \| good	9.267 \| good	36.98 \| good	0.886 \| good	11.9 \| good	0.23 \| good
2025-09-14T01:00:00.000Z	31 \| good	3.703 \| good	16.482 \| good	33.694 \| good	0.877 \| good	10.758 \| good	0.22 \| good
2025-09-14T02:00:00.000Z	27 \| good	4.246 \| good	18.538 \| good	29.02 \| good	0.873 \| good	9.63 \| good	0.21 \| good
2025-09-14T03:00:00.000Z	33 \| good	6.108 \| good	27.146 \| good	27.863 \| good	0.869 \| good	8.502 \| good	0.2 \| good
2025-09-14T04:00:00.000Z	38 \| good	6.908 \| good	30.238 \| good	27.68 \| good	0.821 \| good	7.381 \| good	0.188 \| good
2025-09-14T05:00:00.000Z	38 \| good	7.059 \| good	31.367 \| good	27.3 \| good	0.773 \| good	6.26 \| good	0.176 \| good

Dedham

Get reliable air quality data to drive your business

Dedham, Massachusetts air quality map: Track AQI near you

0.40ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is the air quality data for Dedham, Massachusetts updated?

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

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

The worst air quality in Dedham, Massachusetts in the last 24 hours was observed at 03:00:00 on 2025-09-12.

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

In the last 24 hrs, the best air quality in Dedham, Massachusetts was observed at 07:00:00 on 2025-09-11.

What is the current air quality in Dedham, Massachusetts?

The current air quality in Dedham, Massachusetts is 44, categorized as Good based on real-time data.

What pollutant is the most common in Dedham, Massachusetts?

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

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

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

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

The current PM_2.5 concentration at Dedham, Massachusetts is 7.676 μg/m³.

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

The current PM₁₀ concentration at Dedham, Massachusetts is 27.836 μg/m³.

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

The current carbon monoxide (CO) concentration at Dedham, Massachusetts is 0.44 ppm.

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

The current sulfur dioxide (SO₂) concentration at Dedham, Massachusetts is 0.515 ppb.

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

The current ozone (O₃) concentration at Dedham, Massachusetts is 35.572 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Dedham, Massachusetts is 11.334 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-13T10:00:00.000Z	33 \| good	5.775 \| good	21.785 \| good	20.102 \| good	0.425 \| good	3.723 \| good	0.315 \| good
2025-09-13T11:00:00.000Z	33 \| good	6.39 \| good	23.371 \| good	21.407 \| good	0.38 \| good	2.971 \| good	0.361 \| good
2025-09-13T12:00:00.000Z	33 \| good	6.36 \| good	23.869 \| good	22.022 \| good	0.491 \| good	10.899 \| good	0.446 \| good
2025-09-13T13:00:00.000Z	33 \| good	6.158 \| good	25.231 \| good	23.226 \| good	0.527 \| good	3.238 \| good	0.376 \| good
2025-09-13T14:00:00.000Z	38 \| good	6.656 \| good	27.877 \| good	24.745 \| good	0.471 \| good	3.601 \| good	0.251 \| good
2025-09-13T15:00:00.000Z	33 \| good	6.065 \| good	24.177 \| good	26.64 \| good	0.429 \| good	2.184 \| good	0.206 \| good
2025-09-13T16:00:00.000Z	33 \| good	5.908 \| good	24.326 \| good	28.985 \| good	0.395 \| good	1.931 \| good	0.206 \| good
2025-09-13T17:00:00.000Z	33 \| good	5.836 \| good	22.897 \| good	33.176 \| good	0.521 \| good	1.78 \| good	0.199 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.213 \| good	25.325 \| good	34.99 \| good	0.487 \| good	1.453 \| good	0.199 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.624 \| good	22.561 \| good	37.021 \| good	0.486 \| good	1.512 \| good	0.199 \| good
2025-09-13T20:00:00.000Z	38 \| good	5.612 \| good	20.689 \| good	41.255 \| good	0.414 \| good	1.978 \| good	0.238 \| good
2025-09-13T21:00:00.000Z	39 \| good	5.063 \| good	19.905 \| good	42.162 \| good	0.504 \| good	3.002 \| good	0.278 \| good
2025-09-13T22:00:00.000Z	38 \| good	5.378 \| good	16.2 \| good	41.227 \| good	0.497 \| good	2.54 \| good	0.278 \| good
2025-09-13T23:00:00.000Z	37 \| good	5.629 \| good	19.428 \| good	40.022 \| good	0.463 \| good	1.848 \| good	0.2 \| good
2025-09-14T00:00:00.000Z	37 \| good	5.76 \| good	18.55 \| good	39.597 \| good	0.434 \| good	2.008 \| good	0.251 \| good
2025-09-14T01:00:00.000Z	35 \| good	5.851 \| good	21.729 \| good	37.571 \| good	0.442 \| good	2.161 \| good	0.253 \| good
2025-09-14T02:00:00.000Z	34 \| good	6.092 \| good	25.965 \| good	37.017 \| good	0.46 \| good	2.025 \| good	0.26 \| good
2025-09-14T03:00:00.000Z	22 \| good	4.068 \| good	18.011 \| good	24.199 \| good	0.638 \| good	6.199 \| good	0.168 \| good
2025-09-14T04:00:00.000Z	33 \| good	5.696 \| good	21.201 \| good	30.755 \| good	0.417 \| good	2.711 \| good	0.318 \| good
2025-09-14T05:00:00.000Z	33 \| good	5.525 \| good	22.81 \| good	28.658 \| good	0.354 \| good	2.757 \| good	0.246 \| good
2025-09-14T06:00:00.000Z	27 \| good	5.268 \| good	21.201 \| good	28.245 \| good	0.414 \| good	2.513 \| good	0.239 \| good
2025-09-14T07:00:00.000Z	27 \| good	5.227 \| good	17.801 \| good	26.653 \| good	0.441 \| good	2.549 \| good	0.278 \| good
2025-09-14T08:00:00.000Z	27 \| good	5.317 \| good	19.836 \| good	25.084 \| good	0.46 \| good	5.638 \| good	0.278 \| good
2025-09-14T09:00:00.000Z	27 \| good	5.061 \| good	15.246 \| good	24.635 \| good	0.425 \| good	2.672 \| good	0.239 \| good
2025-09-14T10:00:00.000Z	27 \| good	5.084 \| good	20.298 \| good	24.478 \| good	0.433 \| good	2.497 \| good	0.238 \| good
2025-09-14T11:00:00.000Z	27 \| good	5.068 \| good	20.561 \| good	23.65 \| good	0.426 \| good	2.676 \| good	0.247 \| good
2025-09-14T12:00:00.000Z	33 \| good	5.794 \| good	25.178 \| good	24.03 \| good	0.395 \| good	2.998 \| good	0.292 \| good
2025-09-14T13:00:00.000Z	33 \| good	5.554 \| good	23.073 \| good	25.183 \| good	0.42 \| good	3.167 \| good	0.377 \| good
2025-09-14T14:00:00.000Z	33 \| good	5.947 \| good	25.184 \| good	26.446 \| good	0.414 \| good	2.864 \| good	0.298 \| good
2025-09-14T15:00:00.000Z	33 \| good	5.978 \| good	22.705 \| good	25.667 \| good	0.428 \| good	2.696 \| good	0.285 \| good
2025-09-14T16:00:00.000Z	38 \| good	6.9 \| good	23.714 \| good	31.031 \| good	0.425 \| good	2.358 \| good	0.253 \| good
2025-09-14T17:00:00.000Z	38 \| good	7.332 \| good	20.245 \| good	38.912 \| good	0.432 \| good	1.451 \| good	0.221 \| good
2025-09-14T18:00:00.000Z	44 \| good	7.931 \| good	31.604 \| good	42.043 \| good	0.446 \| good	1.716 \| good	0.246 \| good
2025-09-14T19:00:00.000Z	40 \| good	7.378 \| good	30.308 \| good	43.364 \| good	0.503 \| good	2.148 \| good	0.239 \| good
2025-09-14T20:00:00.000Z	49 \| good	9.041 \| good	38.644 \| good	46.156 \| good	0.511 \| good	3.135 \| good	0.251 \| good
2025-09-14T21:00:00.000Z	49 \| good	8.594 \| good	34.212 \| good	48.156 \| good	0.51 \| good	2.959 \| good	0.244 \| good
2025-09-14T22:00:00.000Z	49 \| good	9.078 \| good	34.623 \| good	47.076 \| good	0.504 \| good	3.313 \| good	0.244 \| good
2025-09-14T23:00:00.000Z	49 \| good	8.745 \| good	37.865 \| good	46.643 \| good	0.642 \| good	4.015 \| good	0.221 \| good
2025-09-15T00:00:00.000Z	44 \| good	8.358 \| good	35.939 \| good	42.447 \| good	0.499 \| good	3.997 \| good	0.318 \| good
2025-09-15T01:00:00.000Z	49 \| good	8.527 \| good	35.252 \| good	38.048 \| good	0.501 \| good	5.737 \| good	0.377 \| good
2025-09-15T02:00:00.000Z	49 \| good	8.971 \| good	30.768 \| good	35.303 \| good	0.495 \| good	6.174 \| good	0.508 \| good
2025-09-15T03:00:00.000Z	52 \| moderate	10.238 \| good	43.9 \| good	34.27 \| good	0.545 \| good	6.358 \| good	0.692 \| good
2025-09-15T04:00:00.000Z	49 \| good	9.047 \| good	26.622 \| good	32.106 \| good	0.568 \| good	7.578 \| good	0.766 \| good
2025-09-15T05:00:00.000Z	49 \| good	9.468 \| good	37.172 \| good	34.009 \| good	0.46 \| good	7.193 \| good	0.717 \| good
2025-09-15T06:00:00.000Z	54 \| moderate	10.921 \| good	35.995 \| good	33.241 \| good	0.545 \| good	6.952 \| good	0.594 \| good
2025-09-15T07:00:00.000Z	52 \| moderate	10.421 \| good	46.323 \| good	33.337 \| good	0.528 \| good	6.386 \| good	0.555 \| good
2025-09-15T08:00:00.000Z	54 \| moderate	11.129 \| good	41.878 \| good	33.732 \| good	0.476 \| good	5.182 \| good	0.542 \| good
2025-09-15T09:00:00.000Z	54 \| moderate	11.113 \| good	42.113 \| good	31.781 \| good	0.471 \| good	5.474 \| good	0.432 \| good
2025-09-15T09:00:00.000Z	54 \| moderate	11.072 \| good	41.232 \| good	25.619 \| good	0.505 \| good	9.077 \| good	0.431 \| good
2025-09-12T06:00:00.000Z	52 \| moderate	10.372 \| good	46.04 \| good	20.366 \| good	0.639 \| good	5.07 \| good	0.198 \| good
2025-09-12T07:00:00.000Z	49 \| good	9.496 \| good	42.519 \| good	21.299 \| good	0.622 \| good	4.356 \| good	0.187 \| good
2025-09-12T08:00:00.000Z	54 \| moderate	11.183 \| good	49.535 \| good	18.184 \| good	0.605 \| good	3.643 \| good	0.176 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.728 \| good	24.782 \| good	11.293 \| good	0.588 \| good	2.929 \| good	0.165 \| good
2025-09-12T10:00:00.000Z	33 \| good	6.228 \| good	27.922 \| good	7.621 \| good	0.633 \| good	3.657 \| good	0.173 \| good
2025-09-12T11:00:00.000Z	27 \| good	4.959 \| good	21.102 \| good	10.727 \| good	0.678 \| good	4.385 \| good	0.181 \| good
2025-09-12T12:00:00.000Z	22 \| good	4.365 \| good	18.8 \| good	16.782 \| good	0.723 \| good	5.112 \| good	0.189 \| good
2025-09-12T13:00:00.000Z	22 \| good	4.004 \| good	17.501 \| good	20.081 \| good	0.642 \| good	4.099 \| good	0.177 \| good
2025-09-12T14:00:00.000Z	19 \| good	3.41 \| good	15.199 \| good	20.441 \| good	0.562 \| good	3.085 \| good	0.166 \| good
2025-09-12T15:00:00.000Z	22 \| good	3.869 \| good	16.909 \| good	23.852 \| good	0.482 \| good	2.071 \| good	0.155 \| good
2025-09-12T16:00:00.000Z	27 \| good	5.382 \| good	23.045 \| good	26.87 \| good	0.464 \| good	1.876 \| good	0.153 \| good
2025-09-12T17:00:00.000Z	33 \| good	5.551 \| good	24.096 \| good	30.951 \| good	0.445 \| good	1.681 \| good	0.151 \| good
2025-09-12T18:00:00.000Z	33 \| good	5.822 \| good	25.498 \| good	34.823 \| good	0.427 \| good	1.485 \| good	0.149 \| good
2025-09-12T19:00:00.000Z	33 \| good	5.6 \| good	24.547 \| good	35.933 \| good	0.464 \| good	1.845 \| good	0.151 \| good
2025-09-12T20:00:00.000Z	33 \| good	6.128 \| good	27.032 \| good	33.271 \| good	0.501 \| good	2.205 \| good	0.152 \| good
2025-09-12T21:00:00.000Z	28 \| good	5.474 \| good	23.648 \| good	29.814 \| good	0.538 \| good	2.565 \| good	0.154 \| good
2025-09-12T22:00:00.000Z	22 \| good	3.999 \| good	17.373 \| good	24.004 \| good	0.631 \| good	6.018 \| good	0.177 \| good
2025-09-12T23:00:00.000Z	22 \| good	3.697 \| good	16.111 \| good	18.093 \| good	0.724 \| good	9.47 \| good	0.2 \| good
2025-09-13T00:00:00.000Z	16 \| good	3.366 \| good	14.753 \| good	16.323 \| good	0.817 \| good	12.923 \| good	0.223 \| good
2025-09-13T01:00:00.000Z	22 \| good	3.806 \| good	16.786 \| good	16.19 \| good	0.868 \| good	14.367 \| good	0.232 \| good
2025-09-13T02:00:00.000Z	16 \| good	3.003 \| good	12.517 \| good	15.754 \| good	0.919 \| good	15.811 \| good	0.24 \| good
2025-09-13T03:00:00.000Z	22 \| good	3.535 \| good	15.709 \| good	14.881 \| good	0.969 \| good	17.254 \| good	0.249 \| good
2025-09-13T04:00:00.000Z	27 \| good	4.976 \| good	21.532 \| good	14.842 \| good	0.99 \| good	17.833 \| good	0.257 \| good
2025-09-13T05:00:00.000Z	27 \| good	5.223 \| good	22.531 \| good	15.66 \| good	1.01 \| good	18.412 \| good	0.265 \| good
2025-09-13T06:00:00.000Z	27 \| good	4.954 \| good	21.349 \| good	16.034 \| good	1.031 \| good	18.99 \| good	0.273 \| good
2025-09-13T07:00:00.000Z	22 \| good	4.459 \| good	19.269 \| good	16.891 \| good	1.088 \| good	17.894 \| good	0.264 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.126 \| good	17.939 \| good	16.109 \| good	1.146 \| good	16.798 \| good	0.255 \| good
2025-09-13T09:00:00.000Z	22 \| good	4.07 \| good	17.842 \| good	13.082 \| good	1.204 \| good	15.701 \| good	0.247 \| good
2025-09-13T10:00:00.000Z	22 \| good	4.388 \| good	18.82 \| good	14.493 \| good	1.273 \| good	14.924 \| good	0.264 \| good
2025-09-13T11:00:00.000Z	27 \| good	4.666 \| good	20.048 \| good	13.2 \| good	1.342 \| good	14.146 \| good	0.28 \| good
2025-09-13T12:00:00.000Z	22 \| good	4.336 \| good	18.594 \| good	16.642 \| good	1.41 \| good	13.369 \| good	0.297 \| good
2025-09-13T13:00:00.000Z	27 \| good	4.783 \| good	20.4 \| good	21.605 \| good	1.361 \| good	10.998 \| good	0.257 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.957 \| good	25.999 \| good	28.466 \| good	1.311 \| good	8.626 \| good	0.216 \| good
2025-09-13T15:00:00.000Z	44 \| good	8.121 \| good	35.619 \| good	35.678 \| good	1.262 \| good	6.255 \| good	0.176 \| good
2025-09-13T16:00:00.000Z	38 \| good	7.385 \| good	32.733 \| good	37.873 \| good	1.103 \| good	5.274 \| good	0.171 \| good
2025-09-13T17:00:00.000Z	35 \| good	6.48 \| good	28.825 \| good	37.626 \| good	0.945 \| good	4.293 \| good	0.165 \| good
2025-09-13T18:00:00.000Z	44 \| good	7.77 \| good	34.175 \| good	33.941 \| good	0.787 \| good	3.312 \| good	0.16 \| good
2025-09-13T19:00:00.000Z	54 \| moderate	11.001 \| good	48.842 \| good	31.753 \| good	0.772 \| good	3.553 \| good	0.162 \| good
2025-09-13T20:00:00.000Z	49 \| good	8.564 \| good	37.85 \| good	35.464 \| good	0.757 \| good	3.794 \| good	0.164 \| good
2025-09-13T21:00:00.000Z	38 \| good	6.546 \| good	29.145 \| good	37.151 \| good	0.742 \| good	4.035 \| good	0.167 \| good
2025-09-13T22:00:00.000Z	38 \| good	5.404 \| good	23.374 \| good	40.587 \| good	0.788 \| good	6.652 \| good	0.188 \| good
2025-09-13T23:00:00.000Z	35 \| good	3.359 \| good	14.566 \| good	37.82 \| good	0.835 \| good	9.269 \| good	0.209 \| good
2025-09-14T00:00:00.000Z	49 \| good	8.877 \| good	9.267 \| good	36.98 \| good	0.886 \| good	11.9 \| good	0.23 \| good
2025-09-14T01:00:00.000Z	31 \| good	3.703 \| good	16.482 \| good	33.694 \| good	0.877 \| good	10.758 \| good	0.22 \| good
2025-09-14T02:00:00.000Z	27 \| good	4.246 \| good	18.538 \| good	29.02 \| good	0.873 \| good	9.63 \| good	0.21 \| good
2025-09-14T03:00:00.000Z	33 \| good	6.108 \| good	27.146 \| good	27.863 \| good	0.869 \| good	8.502 \| good	0.2 \| good
2025-09-14T04:00:00.000Z	38 \| good	6.908 \| good	30.238 \| good	27.68 \| good	0.821 \| good	7.381 \| good	0.188 \| good
2025-09-14T05:00:00.000Z	38 \| good	7.059 \| good	31.367 \| good	27.3 \| good	0.773 \| good	6.26 \| good	0.176 \| good

Dedham, Massachusetts live air quality index now

Major air pollutants in Dedham, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Dedham, Massachusetts air quality forecast and history

Get reliable air quality data to drive your business

Dedham, Massachusetts air quality map: Track AQI near you

Air quality in nearby cities

Westwood, Massachusetts

Norwood, Massachusetts

Needham, Massachusetts

Milton, Massachusetts

Canton, Massachusetts

Brookline, Massachusetts

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Dedham, Massachusetts updated?

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

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

What is the current air quality in Dedham, Massachusetts?

What pollutant is the most common in Dedham, Massachusetts?

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

What is the current concentration of PM2.5 in Dedham, Massachusetts?

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

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

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

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

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

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 Dedham, Massachusetts?

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

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

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

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