What are the current PM10 levels at Melrose, Massachusetts?

The current PM10 levels in Melrose, Massachusetts are 13.352 μg/m3.

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

The current sulfur dioxide (SO2) levels in Melrose, Massachusetts are 0.436 ppb.

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

The current ozone (O3) levels at Melrose, Massachusetts is 33.084 ppm.

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

The current nitrogen dioxide (NO2) levels at Melrose, Massachusetts is 4.971 ppb.

Real-time air quality index in Melrose, Massachusetts today

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

The measured PM2.5 levels in Melrose, Massachusetts at present are 3.686 μg/m3.

Stay updated with real-time air quality in Melrose, 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

Melrose, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Melrose, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.35 μg/m³

155

255

425

605+

Ozone (O₃)

33.08 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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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Melrose, Massachusetts

Scroll To Air Quality Map

Track live Melrose, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T06:00:00.000Z	30 \| good	3.837 \| good	13.193 \| good	31.726 \| good	0.511 \| good	15.182 \| good	0.213 \| good
2026-02-10T07:00:00.000Z	29 \| good	3.992 \| good	16.332 \| good	30.708 \| good	0.511 \| good	15.485 \| good	0.213 \| good
2026-02-10T08:00:00.000Z	27 \| good	3.43 \| good	13.581 \| good	29.476 \| good	0.557 \| good	16.823 \| good	0.213 \| good
2026-02-10T09:00:00.000Z	27 \| good	4.89 \| good	16.288 \| good	23.735 \| good	0.567 \| good	22.942 \| good	0.296 \| good
2026-02-10T10:00:00.000Z	27 \| good	5.029 \| good	14.649 \| good	21.055 \| good	0.422 \| good	27.494 \| good	0.326 \| good
2026-02-10T11:00:00.000Z	33 \| good	5.85 \| good	25.203 \| good	14.18 \| good	0.495 \| good	29.654 \| good	0.416 \| good
2026-02-10T12:00:00.000Z	38 \| good	6.786 \| good	20.108 \| good	15.316 \| good	0.606 \| good	31.843 \| good	0.558 \| good
2026-02-10T13:00:00.000Z	33 \| good	6.453 \| good	21.664 \| good	15.873 \| good	0.563 \| good	25.412 \| good	0.588 \| good
2026-02-10T14:00:00.000Z	54 \| moderate	11.19 \| good	57.685 \| fine	11.989 \| good	0.821 \| good	25.113 \| good	0.538 \| good
2026-02-10T15:00:00.000Z	49 \| good	9.047 \| good	42.674 \| good	19.477 \| good	0.611 \| good	16.322 \| good	0.334 \| good
2026-02-10T16:00:00.000Z	40 \| good	5.662 \| good	43.182 \| good	26.404 \| good	0.412 \| good	14.208 \| good	0.346 \| good
2026-02-10T17:00:00.000Z	49 \| good	8.751 \| good	43.418 \| good	25.96 \| good	0.424 \| good	12.748 \| good	0.312 \| good
2026-02-10T18:00:00.000Z	33 \| good	5.613 \| good	24.835 \| good	28.992 \| good	0.475 \| good	12.416 \| good	0.28 \| good
2026-02-10T19:00:00.000Z	29 \| good	4.507 \| good	20.235 \| good	30.899 \| good	0.383 \| good	15.764 \| good	0.279 \| good
2026-02-10T20:00:00.000Z	31 \| good	4.28 \| good	19.408 \| good	33.517 \| good	0.399 \| good	17.267 \| good	0.381 \| good
2026-02-10T21:00:00.000Z	42 \| good	4.396 \| good	44.907 \| good	27.183 \| good	0.517 \| good	21.708 \| good	0.347 \| good
2026-02-10T22:00:00.000Z	49 \| good	9.339 \| good	34.139 \| good	23.305 \| good	0.66 \| good	26.44 \| good	0.462 \| good
2026-02-10T23:00:00.000Z	33 \| good	6.328 \| good	30.594 \| good	27.475 \| good	0.635 \| good	26.558 \| good	0.753 \| good
2026-02-11T00:00:00.000Z	38 \| good	7.347 \| good	21.912 \| good	28.532 \| good	0.604 \| good	20.904 \| good	0.651 \| good
2026-02-11T01:00:00.000Z	33 \| good	6.114 \| good	21.401 \| good	26.472 \| good	0.692 \| good	17.395 \| good	0.72 \| good
2026-02-11T02:00:00.000Z	38 \| good	7.205 \| good	24.962 \| good	23.172 \| good	0.715 \| good	19.898 \| good	0.694 \| good
2026-02-11T03:00:00.000Z	38 \| good	7.141 \| good	36.181 \| good	31.927 \| good	0.724 \| good	17.863 \| good	0.67 \| good
2026-02-11T04:00:00.000Z	38 \| good	7.382 \| good	17.15 \| good	28.152 \| good	0.716 \| good	15.152 \| good	0.694 \| good
2026-02-11T05:00:00.000Z	52 \| moderate	9.947 \| good	35.093 \| good	30.672 \| good	6.5 \| good	14.615 \| good	0.588 \| good
2026-02-11T06:00:00.000Z	52 \| moderate	9.525 \| good	24.952 \| good	34.119 \| good	0.675 \| good	14.423 \| good	0.694 \| good
2026-02-11T07:00:00.000Z	49 \| good	8.743 \| good	36.136 \| good	30.783 \| good	0.677 \| good	14.648 \| good	0.694 \| good
2026-02-11T08:00:00.000Z	52 \| moderate	10.216 \| good	43.309 \| good	28.494 \| good	0.7 \| good	14.396 \| good	0.694 \| good
2026-02-11T09:00:00.000Z	56 \| moderate	11.94 \| good	50.649 \| good	23.721 \| good	0.727 \| good	23.644 \| good	0.715 \| good
2026-02-11T10:00:00.000Z	60 \| moderate	14.056 \| fine	59.54 \| fine	24.762 \| good	0.57 \| good	23.632 \| good	0.748 \| good
2026-02-11T11:00:00.000Z	64 \| moderate	15.545 \| fine	27.461 \| good	18.981 \| good	0.544 \| good	21.509 \| good	0.728 \| good
2026-02-11T12:00:00.000Z	64 \| moderate	15.68 \| fine	40.13 \| good	21.159 \| good	0.508 \| good	23.564 \| good	0.773 \| good
2026-02-11T13:00:00.000Z	60 \| moderate	14.14 \| fine	60.391 \| fine	24.257 \| good	0.529 \| good	21.8 \| good	0.764 \| good
2026-02-11T14:00:00.000Z	67 \| moderate	18.301 \| fine	71.248 \| fine	24.219 \| good	0.632 \| good	13.972 \| good	0.817 \| good
2026-02-11T15:00:00.000Z	67 \| moderate	17.957 \| fine	74.109 \| fine	22.58 \| good	0.664 \| good	13.02 \| good	0.817 \| good
2026-02-11T16:00:00.000Z	67 \| moderate	17.942 \| fine	66.71 \| fine	26.268 \| good	0.642 \| good	10.941 \| good	0.79 \| good
2026-02-11T17:00:00.000Z	67 \| moderate	17.908 \| fine	63.407 \| fine	31.825 \| good	0.624 \| good	9.047 \| good	0.777 \| good
2026-02-11T18:00:00.000Z	62 \| moderate	14.709 \| fine	59.53 \| fine	32.583 \| good	0.599 \| good	8.074 \| good	0.254 \| good
2026-02-11T19:00:00.000Z	52 \| moderate	9.822 \| good	35.287 \| good	33.237 \| good	0.599 \| good	5.5 \| good	0.244 \| good
2026-02-11T20:00:00.000Z	49 \| good	8.542 \| good	34.359 \| good	32.099 \| good	0.598 \| good	5.434 \| good	0.254 \| good
2026-02-11T21:00:00.000Z	38 \| good	6.509 \| good	29.52 \| good	31.1 \| good	0.549 \| good	5.864 \| good	0.244 \| good
2026-02-11T22:00:00.000Z	28 \| good	4.838 \| good	15.797 \| good	29.669 \| good	0.548 \| good	6.426 \| good	0.241 \| good
2026-02-11T23:00:00.000Z	28 \| good	3.485 \| good	15.919 \| good	30.074 \| good	0.536 \| good	5.822 \| good	0.241 \| good
2026-02-12T00:00:00.000Z	27 \| good	1.982 \| good	9.176 \| good	28.931 \| good	0.546 \| good	6.176 \| good	0.231 \| good
2026-02-12T01:00:00.000Z	27 \| good	2.596 \| good	7.245 \| good	29.156 \| good	0.549 \| good	5.771 \| good	0.231 \| good
2026-02-12T02:00:00.000Z	26 \| good	2.52 \| good	11.215 \| good	28.26 \| good	0.571 \| good	6.05 \| good	0.231 \| good
2026-02-12T03:00:00.000Z	30 \| good	3.564 \| good	13.194 \| good	31.629 \| good	0.532 \| good	5.732 \| good	0.2 \| good
2026-02-12T04:00:00.000Z	29 \| good	4.175 \| good	9.867 \| good	31.138 \| good	0.652 \| good	4.991 \| good	0.2 \| good
2026-02-12T05:00:00.000Z	31 \| good	3.244 \| good	22.676 \| good	33.87 \| good	0.54 \| good	4.984 \| good	0.19 \| good
2026-02-12T05:00:00.000Z	31 \| good	3.686 \| good	13.352 \| good	33.084 \| good	0.436 \| good	4.971 \| good	0.194 \| good
2026-02-12T06:00:00.000Z	64 \| moderate	16.332 \| fine	72.608 \| fine	39.363 \| good	0.609 \| good	2.703 \| good	0.172 \| good
2026-02-12T07:00:00.000Z	60 \| moderate	13.991 \| fine	62.925 \| fine	37.215 \| good	0.576 \| good	2.549 \| good	0.169 \| good
2026-02-12T08:00:00.000Z	56 \| moderate	12.403 \| fine	55.914 \| fine	35.445 \| good	0.543 \| good	2.396 \| good	0.166 \| good
2026-02-12T09:00:00.000Z	58 \| moderate	13.173 \| fine	59.773 \| fine	31.952 \| good	0.51 \| good	2.242 \| good	0.162 \| good
2026-02-12T10:00:00.000Z	62 \| moderate	14.573 \| fine	65.021 \| fine	29.366 \| good	0.547 \| good	2.981 \| good	0.167 \| good
2026-02-12T11:00:00.000Z	66 \| moderate	17.215 \| fine	76.452 \| fine	25.887 \| good	0.583 \| good	3.719 \| good	0.172 \| good
2026-02-12T12:00:00.000Z	66 \| moderate	17.424 \| fine	77.069 \| fine	25.196 \| good	0.62 \| good	4.458 \| good	0.178 \| good
2026-02-12T13:00:00.000Z	62 \| moderate	15.409 \| fine	68.925 \| fine	30.261 \| good	0.658 \| good	4.051 \| good	0.18 \| good
2026-02-12T14:00:00.000Z	56 \| moderate	11.696 \| good	51.72 \| good	35.214 \| good	0.695 \| good	3.643 \| good	0.183 \| good
2026-02-12T15:00:00.000Z	52 \| moderate	10.183 \| good	45.131 \| good	37.189 \| good	0.732 \| good	3.236 \| good	0.186 \| good
2026-02-12T16:00:00.000Z	54 \| moderate	10.738 \| good	47.524 \| good	38.116 \| good	0.647 \| good	2.669 \| good	0.177 \| good
2026-02-12T17:00:00.000Z	52 \| moderate	9.68 \| good	43.223 \| good	37.758 \| good	0.562 \| good	2.102 \| good	0.168 \| good
2026-02-12T18:00:00.000Z	52 \| moderate	9.844 \| good	43.914 \| good	37.983 \| good	0.477 \| good	1.535 \| good	0.159 \| good
2026-02-12T19:00:00.000Z	49 \| good	8.787 \| good	38.678 \| good	39.67 \| good	0.482 \| good	2.162 \| good	0.16 \| good
2026-02-12T20:00:00.000Z	37 \| good	4.157 \| good	18.151 \| good	39.847 \| good	0.486 \| good	2.79 \| good	0.161 \| good
2026-02-12T21:00:00.000Z	36 \| good	1.658 \| good	6.667 \| good	39.26 \| good	0.49 \| good	3.417 \| good	0.162 \| good
2026-02-12T22:00:00.000Z	32 \| good	2.081 \| good	8.264 \| good	35.275 \| good	0.505 \| good	4.685 \| good	0.168 \| good
2026-02-12T23:00:00.000Z	29 \| good	2.183 \| good	8.772 \| good	30.719 \| good	0.52 \| good	5.953 \| good	0.173 \| good
2026-02-13T00:00:00.000Z	27 \| good	3.365 \| good	13.741 \| good	29.04 \| good	0.536 \| good	7.22 \| good	0.179 \| good
2026-02-13T01:00:00.000Z	30 \| good	2.272 \| good	9.228 \| good	32.3 \| good	0.558 \| good	6.689 \| good	0.176 \| good
2026-02-13T02:00:00.000Z	34 \| good	2.734 \| good	11.232 \| good	36.732 \| good	0.58 \| good	6.158 \| good	0.174 \| good
2026-02-13T03:00:00.000Z	36 \| good	3.491 \| good	15.466 \| good	38.779 \| good	0.602 \| good	5.627 \| good	0.171 \| good
2026-02-13T04:00:00.000Z	34 \| good	4.589 \| good	20.362 \| good	36.621 \| good	0.571 \| good	4.929 \| good	0.168 \| good
2026-02-13T05:00:00.000Z	33 \| good	5.744 \| good	25.606 \| good	35.246 \| good	0.539 \| good	4.231 \| good	0.165 \| good
2026-02-13T06:00:00.000Z	33 \| good	6.425 \| good	28.579 \| good	32.866 \| good	0.507 \| good	3.533 \| good	0.162 \| good
2026-02-13T07:00:00.000Z	38 \| good	6.622 \| good	29.122 \| good	31.349 \| good	0.486 \| good	3.339 \| good	0.16 \| good
2026-02-13T08:00:00.000Z	33 \| good	5.934 \| good	25.981 \| good	27.804 \| good	0.465 \| good	3.144 \| good	0.157 \| good
2026-02-13T09:00:00.000Z	27 \| good	5.453 \| good	23.324 \| good	25.192 \| good	0.444 \| good	2.95 \| good	0.155 \| good
2026-02-13T10:00:00.000Z	27 \| good	4.68 \| good	20.436 \| good	23.735 \| good	0.481 \| good	4.03 \| good	0.16 \| good
2026-02-13T11:00:00.000Z	19 \| good	3.106 \| good	13.253 \| good	20.137 \| good	0.518 \| good	5.11 \| good	0.166 \| good
2026-02-13T12:00:00.000Z	19 \| good	2.113 \| good	8.656 \| good	21.183 \| good	0.555 \| good	6.191 \| good	0.171 \| good
2026-02-13T13:00:00.000Z	26 \| good	1.532 \| good	6.323 \| good	27.94 \| good	0.621 \| good	5.565 \| good	0.173 \| good
2026-02-13T14:00:00.000Z	32 \| good	1.454 \| good	5.669 \| good	34.638 \| good	0.688 \| good	4.94 \| good	0.174 \| good
2026-02-13T15:00:00.000Z	34 \| good	1.187 \| good	4.879 \| good	37.134 \| good	0.755 \| good	4.315 \| good	0.176 \| good
2026-02-13T16:00:00.000Z	35 \| good	0.555 \| good	1.855 \| good	37.827 \| good	0.755 \| good	3.875 \| good	0.17 \| good
2026-02-13T17:00:00.000Z	34 \| good	0.499 \| good	1.724 \| good	37.063 \| good	0.754 \| good	3.434 \| good	0.164 \| good
2026-02-13T18:00:00.000Z	32 \| good	1.22 \| good	5 \| good	35.452 \| good	0.754 \| good	2.994 \| good	0.158 \| good
2026-02-13T19:00:00.000Z	32 \| good	1.411 \| good	5.848 \| good	35.051 \| good	0.728 \| good	3.931 \| good	0.162 \| good
2026-02-13T20:00:00.000Z	33 \| good	1.222 \| good	5.25 \| good	36.194 \| good	0.701 \| good	4.868 \| good	0.166 \| good
2026-02-13T21:00:00.000Z	30 \| good	0.729 \| good	2.842 \| good	32.076 \| good	0.675 \| good	5.805 \| good	0.17 \| good
2026-02-13T22:00:00.000Z	21 \| good	2.046 \| good	8.217 \| good	22.686 \| good	0.77 \| good	12.782 \| good	0.221 \| good
2026-02-13T23:00:00.000Z	22 \| good	4.469 \| good	19.253 \| good	19.053 \| good	0.864 \| good	19.76 \| good	0.272 \| good
2026-02-14T00:00:00.000Z	27 \| good	4.885 \| good	20.96 \| good	20.982 \| good	0.958 \| good	26.737 \| good	0.323 \| good
2026-02-14T01:00:00.000Z	23 \| good	4.369 \| good	19.184 \| good	20.874 \| good	0.897 \| good	23.785 \| good	0.298 \| good
2026-02-14T02:00:00.000Z	27 \| good	4.783 \| good	20.996 \| good	20.717 \| good	0.835 \| good	20.833 \| good	0.273 \| good
2026-02-14T03:00:00.000Z	38 \| good	6.616 \| good	29.512 \| good	24.796 \| good	0.774 \| good	17.882 \| good	0.247 \| good
2026-02-14T04:00:00.000Z	38 \| good	7.384 \| good	32.63 \| good	27.86 \| good	0.693 \| good	14.453 \| good	0.23 \| good
2026-02-14T05:00:00.000Z	38 \| good	6.751 \| good	29.659 \| good	31.487 \| good	0.612 \| good	11.024 \| good	0.213 \| good

Melrose

Empower business decisions with accurate air quality data

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

0.20ppm

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 Melrose, Massachusetts updated?

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

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

The worst air quality in Melrose, Massachusetts was recorded at 05:00:00 on 2026-02-11.

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

The best air quality in Melrose, Massachusetts was recorded at 02:00:00 on 2026-02-12.

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

The real-time air quality index in Melrose, Massachusetts is 31, currently categorized as Good.

Which pollutant is found most often in Melrose, Massachusetts?

The most common pollutant in Melrose, Massachusetts is O3.

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

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

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

The measured PM_2.5 levels in Melrose, Massachusetts at present are 3.686 μg/m³.

What are the current PM₁₀ levels at Melrose, Massachusetts?

The current PM₁₀ levels in Melrose, Massachusetts are 13.352 μg/m³.

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

The current carbon monoxide (CO) level in Melrose, Massachusetts is 0.194 ppm.

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

The current sulfur dioxide (SO₂) levels in Melrose, Massachusetts are 0.436 ppb.

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

The current ozone (O₃) levels at Melrose, Massachusetts is 33.084 ppm.

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

The current nitrogen dioxide (NO₂) levels at Melrose, Massachusetts is 4.971 ppb.

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