What are the current PM10 levels at Melrose, Massachusetts?

The current PM10 levels in Melrose, Massachusetts are 50.706 μg/m3.

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

The current sulfur dioxide (SO2) levels in Melrose, Massachusetts are 0.962 ppb.

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

The current ozone (O3) levels at Melrose, Massachusetts is 22.717 ppm.

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

The current nitrogen dioxide (NO2) levels at Melrose, Massachusetts is 7.217 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 14.109 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)

Moderate

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)

14.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

50.71 μg/m³

155

255

425

605+

Ozone (O₃)

22.72 ppb

201

201+

Sulfur Dioxide (SO₂)

0.96 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.22 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Melrose, Massachusetts

Get Live Pollen Counts

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
2026-07-09T12:00:00.000Z	49 \| good	8.735 \| good	34.723 \| good	28.776 \| good	0.558 \| good	9.443 \| good	0.249 \| good
2026-07-09T13:00:00.000Z	49 \| good	8.735 \| good	34.723 \| good	29.679 \| good	0.551 \| good	9.162 \| good	0.246 \| good
2026-07-09T14:00:00.000Z	44 \| good	7.54 \| good	30.755 \| good	33.711 \| good	0.497 \| good	8.443 \| good	0.246 \| good
2026-07-09T15:00:00.000Z	37 \| good	6.234 \| good	25.967 \| good	39.831 \| good	0.5 \| good	6.15 \| good	0.195 \| good
2026-07-09T16:00:00.000Z	41 \| good	5.445 \| good	22.758 \| good	44.321 \| good	0.506 \| good	5.878 \| good	0.195 \| good
2026-07-09T17:00:00.000Z	42 \| good	5 \| good	20.74 \| good	45.499 \| good	0.544 \| good	4.316 \| good	0.195 \| good
2026-07-09T18:00:00.000Z	44 \| good	4.705 \| good	19.435 \| good	48.365 \| good	0.538 \| good	4.722 \| good	0.267 \| good
2026-07-09T19:00:00.000Z	47 \| good	4.574 \| good	18.955 \| good	51.335 \| good	0.554 \| good	4.685 \| good	0.19 \| good
2026-07-09T20:00:00.000Z	47 \| good	4.79 \| good	19.77 \| good	50.585 \| good	0.467 \| good	4.297 \| good	0.198 \| good
2026-07-09T21:00:00.000Z	45 \| good	5.312 \| good	22.01 \| good	49.423 \| good	0.505 \| good	3.673 \| good	0.195 \| good
2026-07-09T22:00:00.000Z	48 \| good	6.356 \| good	25.764 \| good	52.433 \| good	0.444 \| good	3.714 \| good	0.238 \| good
2026-07-09T23:00:00.000Z	50 \| good	7.587 \| good	30.137 \| good	53.631 \| good	0.465 \| good	3.734 \| good	0.287 \| good
2026-07-10T00:00:00.000Z	54 \| moderate	8.773 \| good	34.313 \| good	56.453 \| fine	0.486 \| good	4.61 \| good	0.292 \| good
2026-07-10T01:00:00.000Z	71 \| moderate	9.138 \| good	36.29 \| good	60.732 \| fine	0.523 \| good	4.568 \| good	0.241 \| good
2026-07-10T02:00:00.000Z	50 \| good	9.079 \| good	36.148 \| good	53.745 \| good	0.545 \| good	4.215 \| good	0.241 \| good
2026-07-10T03:00:00.000Z	44 \| good	8.372 \| good	33.359 \| good	42.815 \| good	0.487 \| good	3.458 \| good	0.238 \| good
2026-07-10T04:00:00.000Z	41 \| good	7.458 \| good	29.778 \| good	43.55 \| good	0.487 \| good	3.148 \| good	0.238 \| good
2026-07-10T05:00:00.000Z	38 \| good	6.73 \| good	26.861 \| good	38.525 \| good	0.469 \| good	2.808 \| good	0.19 \| good
2026-07-10T06:00:00.000Z	33 \| good	6.073 \| good	23.82 \| good	34.428 \| good	0.491 \| good	2.652 \| good	0.19 \| good
2026-07-10T07:00:00.000Z	33 \| good	6.073 \| good	23.82 \| good	34.447 \| good	0.467 \| good	2.665 \| good	0.19 \| good
2026-07-10T08:00:00.000Z	33 \| good	5.525 \| good	22.008 \| good	32.403 \| good	0.482 \| good	3.026 \| good	0.277 \| good
2026-07-10T09:00:00.000Z	28 \| good	5.453 \| good	21.861 \| good	29.705 \| good	0.496 \| good	3.61 \| good	0.281 \| good
2026-07-10T10:00:00.000Z	27 \| good	5.315 \| good	21.251 \| good	28.827 \| good	0.58 \| good	5.684 \| good	0.376 \| good
2026-07-10T11:00:00.000Z	33 \| good	5.515 \| good	22.553 \| good	27.064 \| good	0.548 \| good	7.536 \| good	0.381 \| good
2026-07-10T12:00:00.000Z	33 \| good	5.974 \| good	24.163 \| good	24.82 \| good	0.534 \| good	8.719 \| good	0.376 \| good
2026-07-10T13:00:00.000Z	33 \| good	5.974 \| good	24.163 \| good	27.504 \| good	0.533 \| good	8.665 \| good	0.376 \| good
2026-07-10T14:00:00.000Z	44 \| good	7.734 \| good	31.48 \| good	31.92 \| good	0.697 \| good	6.299 \| good	0.375 \| good
2026-07-10T15:00:00.000Z	44 \| good	7.88 \| good	32.329 \| good	38.307 \| good	0.582 \| good	6.868 \| good	0.289 \| good
2026-07-10T16:00:00.000Z	39 \| good	7.239 \| good	29.684 \| good	41.711 \| good	0.513 \| good	6.66 \| good	0.289 \| good
2026-07-10T17:00:00.000Z	40 \| good	6.702 \| good	27.404 \| good	42.768 \| good	0.532 \| good	5.552 \| good	0.285 \| good
2026-07-10T18:00:00.000Z	36 \| good	5.735 \| good	23.322 \| good	39.016 \| good	0.578 \| good	4.712 \| good	0.195 \| good
2026-07-10T19:00:00.000Z	38 \| good	4.769 \| good	19.637 \| good	41.147 \| good	0.588 \| good	4.387 \| good	0.195 \| good
2026-07-10T20:00:00.000Z	36 \| good	4.492 \| good	18.691 \| good	38.644 \| good	0.488 \| good	4.272 \| good	0.195 \| good
2026-07-10T21:00:00.000Z	36 \| good	5.29 \| good	21.423 \| good	39.431 \| good	0.47 \| good	7.742 \| good	0.195 \| good
2026-07-10T22:00:00.000Z	37 \| good	5.702 \| good	23.546 \| good	40.309 \| good	0.429 \| good	4.381 \| good	0.285 \| good
2026-07-10T23:00:00.000Z	37 \| good	5.347 \| good	21.904 \| good	39.986 \| good	0.448 \| good	4.872 \| good	0.28 \| good
2026-07-11T00:00:00.000Z	29 \| good	4.997 \| good	20.207 \| good	31.222 \| good	0.447 \| good	5.059 \| good	0.193 \| good
2026-07-11T01:00:00.000Z	28 \| good	4.784 \| good	19.327 \| good	30.23 \| good	0.483 \| good	6.152 \| good	0.235 \| good
2026-07-11T02:00:00.000Z	27 \| good	4.991 \| good	19.71 \| good	27.979 \| good	0.52 \| good	6.653 \| good	0.278 \| good
2026-07-11T03:00:00.000Z	58 \| moderate	12.985 \| fine	58.611 \| fine	18.305 \| good	0.43 \| good	22.971 \| good	0.286 \| good
2026-07-11T04:00:00.000Z	33 \| good	5.913 \| good	23.723 \| good	25.155 \| good	0.652 \| good	9.248 \| good	0.373 \| good
2026-07-11T05:00:00.000Z	44 \| good	7.978 \| good	31.999 \| good	23.334 \| good	0.561 \| good	11.046 \| good	0.246 \| good
2026-07-11T06:00:00.000Z	54 \| moderate	10.777 \| good	42.113 \| good	20.839 \| good	0.584 \| good	13.015 \| good	0.201 \| good
2026-07-11T07:00:00.000Z	54 \| moderate	10.777 \| good	42.113 \| good	19.677 \| good	0.585 \| good	13.016 \| good	0.199 \| good
2026-07-11T08:00:00.000Z	58 \| moderate	13.004 \| fine	51.18 \| good	21.655 \| good	0.945 \| good	5.799 \| good	0.199 \| good
2026-07-11T09:00:00.000Z	60 \| moderate	13.737 \| fine	53.276 \| good	22.405 \| good	1.111 \| good	10.419 \| good	0.238 \| good
2026-07-11T10:00:00.000Z	60 \| moderate	14.242 \| fine	55.569 \| fine	24.343 \| good	0.873 \| good	11.215 \| good	0.322 \| good
2026-07-11T11:00:00.000Z	60 \| moderate	14.109 \| fine	50.706 \| good	22.717 \| good	0.962 \| good	7.217 \| good	0.324 \| good
2026-07-11T12:00:00.000Z	56 \| moderate	12.389 \| fine	55.9 \| fine	26.202 \| good	0.35 \| good	6.613 \| good	0.182 \| good
2026-07-11T13:00:00.000Z	56 \| moderate	12.357 \| fine	55.381 \| fine	31.201 \| good	0.379 \| good	4.627 \| good	0.172 \| good
2026-07-11T14:00:00.000Z	56 \| moderate	11.635 \| good	51.743 \| good	35.392 \| good	0.345 \| good	2.42 \| good	0.156 \| good
2026-07-11T15:00:00.000Z	52 \| moderate	10.109 \| good	44.814 \| good	35.968 \| good	0.316 \| good	1.535 \| good	0.149 \| good
2026-07-11T16:00:00.000Z	49 \| good	8.967 \| good	39.404 \| good	37.427 \| good	0.307 \| good	1.212 \| good	0.148 \| good
2026-07-11T17:00:00.000Z	44 \| good	8.157 \| good	36.09 \| good	38.684 \| good	0.304 \| good	1.102 \| good	0.147 \| good
2026-07-11T18:00:00.000Z	38 \| good	7.328 \| good	32.152 \| good	40.496 \| good	0.303 \| good	1.102 \| good	0.148 \| good
2026-07-11T19:00:00.000Z	44 \| good	7.878 \| good	34.675 \| good	39.379 \| good	0.305 \| good	1.159 \| good	0.148 \| good
2026-07-11T20:00:00.000Z	52 \| moderate	9.825 \| good	43.496 \| good	34.41 \| good	0.307 \| good	1.292 \| good	0.149 \| good
2026-07-11T21:00:00.000Z	49 \| good	8.655 \| good	38.247 \| good	30.975 \| good	0.307 \| good	1.552 \| good	0.151 \| good
2026-07-11T22:00:00.000Z	38 \| good	6.905 \| good	30.459 \| good	28.697 \| good	0.31 \| good	2.093 \| good	0.154 \| good
2026-07-11T23:00:00.000Z	52 \| moderate	9.628 \| good	42.85 \| good	25.023 \| good	0.316 \| good	3.186 \| good	0.159 \| good
2026-07-12T00:00:00.000Z	58 \| moderate	12.52 \| fine	56.071 \| fine	16.389 \| good	0.321 \| good	6.137 \| good	0.172 \| good
2026-07-12T01:00:00.000Z	60 \| moderate	13.507 \| fine	60.459 \| fine	13.435 \| good	0.327 \| good	9.586 \| good	0.181 \| good
2026-07-12T02:00:00.000Z	58 \| moderate	13.296 \| fine	59.971 \| fine	14.418 \| good	0.332 \| good	11.432 \| good	0.184 \| good
2026-07-12T03:00:00.000Z	60 \| moderate	14.008 \| fine	62.787 \| fine	16.057 \| good	0.359 \| good	15.12 \| good	0.196 \| good
2026-07-12T04:00:00.000Z	60 \| moderate	13.795 \| fine	62.073 \| fine	13.657 \| good	0.393 \| good	21.565 \| good	0.225 \| good
2026-07-12T05:00:00.000Z	56 \| moderate	12.454 \| fine	56.131 \| fine	11.77 \| good	0.379 \| good	21.01 \| good	0.233 \| good
2026-07-12T06:00:00.000Z	54 \| moderate	11.076 \| good	49.193 \| good	12.246 \| good	0.349 \| good	13.614 \| good	0.202 \| good
2026-07-12T07:00:00.000Z	52 \| moderate	10.398 \| good	46.16 \| good	13.65 \| good	0.305 \| good	8.85 \| good	0.175 \| good
2026-07-12T08:00:00.000Z	52 \| moderate	9.541 \| good	42.547 \| good	16.245 \| good	0.269 \| good	6.462 \| good	0.157 \| good
2026-07-12T09:00:00.000Z	49 \| good	9.209 \| good	40.849 \| good	15.616 \| good	0.245 \| good	5.486 \| good	0.148 \| good
2026-07-12T10:00:00.000Z	44 \| good	8.096 \| good	35.5 \| good	18.122 \| good	0.231 \| good	4.934 \| good	0.144 \| good
2026-07-12T11:00:00.000Z	38 \| good	6.707 \| good	29.76 \| good	22.917 \| good	0.232 \| good	4.49 \| good	0.147 \| good
2026-07-12T12:00:00.000Z	38 \| good	6.602 \| good	29.523 \| good	28.928 \| good	0.248 \| good	3.209 \| good	0.144 \| good
2026-07-12T13:00:00.000Z	33 \| good	6.157 \| good	27.173 \| good	33.072 \| good	0.251 \| good	2.161 \| good	0.143 \| good
2026-07-12T14:00:00.000Z	33 \| good	5.938 \| good	26.436 \| good	34.373 \| good	0.225 \| good	1.51 \| good	0.147 \| good
2026-07-12T15:00:00.000Z	31 \| good	5.416 \| good	23.216 \| good	34.112 \| good	0.206 \| good	1.188 \| good	0.151 \| good
2026-07-12T16:00:00.000Z	32 \| good	4.901 \| good	21.138 \| good	34.609 \| good	0.187 \| good	0.966 \| good	0.154 \| good
2026-07-12T17:00:00.000Z	33 \| good	4.717 \| good	20.392 \| good	35.521 \| good	0.179 \| good	0.884 \| good	0.158 \| good
2026-07-12T18:00:00.000Z	35 \| good	4.906 \| good	21.265 \| good	37.566 \| good	0.179 \| good	0.908 \| good	0.162 \| good
2026-07-12T19:00:00.000Z	35 \| good	4.868 \| good	21.257 \| good	37.681 \| good	0.184 \| good	0.983 \| good	0.166 \| good
2026-07-12T20:00:00.000Z	33 \| good	5.857 \| good	25.322 \| good	35.058 \| good	0.195 \| good	1.154 \| good	0.169 \| good
2026-07-12T21:00:00.000Z	33 \| good	6.436 \| good	28.851 \| good	32.107 \| good	0.205 \| good	1.426 \| good	0.173 \| good
2026-07-12T22:00:00.000Z	38 \| good	6.64 \| good	29.704 \| good	30.398 \| good	0.213 \| good	1.879 \| good	0.176 \| good
2026-07-12T23:00:00.000Z	38 \| good	6.989 \| good	31.096 \| good	25.219 \| good	0.223 \| good	2.63 \| good	0.18 \| good
2026-07-13T00:00:00.000Z	52 \| moderate	10.244 \| good	45.29 \| good	15.904 \| good	0.244 \| good	4.938 \| good	0.191 \| good
2026-07-13T01:00:00.000Z	54 \| moderate	10.837 \| good	48.02 \| good	13.996 \| good	0.274 \| good	8.321 \| good	0.21 \| good
2026-07-13T02:00:00.000Z	52 \| moderate	9.99 \| good	44.217 \| good	17.593 \| good	0.288 \| good	9.767 \| good	0.217 \| good
2026-07-13T03:00:00.000Z	49 \| good	8.891 \| good	39.188 \| good	19.315 \| good	0.291 \| good	10.027 \| good	0.218 \| good
2026-07-13T04:00:00.000Z	38 \| good	7.315 \| good	32.188 \| good	19.248 \| good	0.283 \| good	8.803 \| good	0.211 \| good
2026-07-13T05:00:00.000Z	44 \| good	8.268 \| good	36.32 \| good	20.021 \| good	0.271 \| good	7.23 \| good	0.199 \| good
2026-07-13T06:00:00.000Z	54 \| moderate	11.344 \| good	12.568 \| good	29.906 \| good	0.263 \| good	6.23 \| good	0.188 \| good
2026-07-13T07:00:00.000Z	38 \| good	6.891 \| good	30.52 \| good	20.989 \| good	0.25 \| good	5.571 \| good	0.18 \| good
2026-07-13T08:00:00.000Z	33 \| good	6.158 \| good	26.867 \| good	21.695 \| good	0.251 \| good	5.463 \| good	0.175 \| good
2026-07-13T09:00:00.000Z	44 \| good	8.351 \| good	36.665 \| good	17.171 \| good	0.27 \| good	5.636 \| good	0.172 \| good
2026-07-13T10:00:00.000Z	49 \| good	8.649 \| good	37.784 \| good	20.148 \| good	0.305 \| good	5.915 \| good	0.171 \| good
2026-07-13T11:00:00.000Z	44 \| good	8.358 \| good	36.717 \| good	27.705 \| good	0.344 \| good	6.68 \| good	0.181 \| good

Melrose

Empower business decisions with accurate air quality data

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

0.32ppm

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

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 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 10:00:00 on 2026-07-11.

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 2026-07-11.

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

The real-time air quality index in Melrose, Massachusetts is 60, currently categorized as Moderate.

Which pollutant is found most often in Melrose, Massachusetts?

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

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 14.109 μg/m³.

What are the current PM₁₀ levels at Melrose, Massachusetts?

The current PM₁₀ levels in Melrose, Massachusetts are 50.706 μg/m³.

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

The current carbon monoxide (CO) level in Melrose, Massachusetts is 0.324 ppm.

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

The current sulfur dioxide (SO₂) levels in Melrose, Massachusetts are 0.962 ppb.

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

The current ozone (O₃) levels at Melrose, Massachusetts is 22.717 ppm.

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

The current nitrogen dioxide (NO₂) levels at Melrose, Massachusetts is 7.217 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T12:00:00.000Z	49 \| good	8.735 \| good	34.723 \| good	28.776 \| good	0.558 \| good	9.443 \| good	0.249 \| good
2026-07-09T13:00:00.000Z	49 \| good	8.735 \| good	34.723 \| good	29.679 \| good	0.551 \| good	9.162 \| good	0.246 \| good
2026-07-09T14:00:00.000Z	44 \| good	7.54 \| good	30.755 \| good	33.711 \| good	0.497 \| good	8.443 \| good	0.246 \| good
2026-07-09T15:00:00.000Z	37 \| good	6.234 \| good	25.967 \| good	39.831 \| good	0.5 \| good	6.15 \| good	0.195 \| good
2026-07-09T16:00:00.000Z	41 \| good	5.445 \| good	22.758 \| good	44.321 \| good	0.506 \| good	5.878 \| good	0.195 \| good
2026-07-09T17:00:00.000Z	42 \| good	5 \| good	20.74 \| good	45.499 \| good	0.544 \| good	4.316 \| good	0.195 \| good
2026-07-09T18:00:00.000Z	44 \| good	4.705 \| good	19.435 \| good	48.365 \| good	0.538 \| good	4.722 \| good	0.267 \| good
2026-07-09T19:00:00.000Z	47 \| good	4.574 \| good	18.955 \| good	51.335 \| good	0.554 \| good	4.685 \| good	0.19 \| good
2026-07-09T20:00:00.000Z	47 \| good	4.79 \| good	19.77 \| good	50.585 \| good	0.467 \| good	4.297 \| good	0.198 \| good
2026-07-09T21:00:00.000Z	45 \| good	5.312 \| good	22.01 \| good	49.423 \| good	0.505 \| good	3.673 \| good	0.195 \| good
2026-07-09T22:00:00.000Z	48 \| good	6.356 \| good	25.764 \| good	52.433 \| good	0.444 \| good	3.714 \| good	0.238 \| good
2026-07-09T23:00:00.000Z	50 \| good	7.587 \| good	30.137 \| good	53.631 \| good	0.465 \| good	3.734 \| good	0.287 \| good
2026-07-10T00:00:00.000Z	54 \| moderate	8.773 \| good	34.313 \| good	56.453 \| fine	0.486 \| good	4.61 \| good	0.292 \| good
2026-07-10T01:00:00.000Z	71 \| moderate	9.138 \| good	36.29 \| good	60.732 \| fine	0.523 \| good	4.568 \| good	0.241 \| good
2026-07-10T02:00:00.000Z	50 \| good	9.079 \| good	36.148 \| good	53.745 \| good	0.545 \| good	4.215 \| good	0.241 \| good
2026-07-10T03:00:00.000Z	44 \| good	8.372 \| good	33.359 \| good	42.815 \| good	0.487 \| good	3.458 \| good	0.238 \| good
2026-07-10T04:00:00.000Z	41 \| good	7.458 \| good	29.778 \| good	43.55 \| good	0.487 \| good	3.148 \| good	0.238 \| good
2026-07-10T05:00:00.000Z	38 \| good	6.73 \| good	26.861 \| good	38.525 \| good	0.469 \| good	2.808 \| good	0.19 \| good
2026-07-10T06:00:00.000Z	33 \| good	6.073 \| good	23.82 \| good	34.428 \| good	0.491 \| good	2.652 \| good	0.19 \| good
2026-07-10T07:00:00.000Z	33 \| good	6.073 \| good	23.82 \| good	34.447 \| good	0.467 \| good	2.665 \| good	0.19 \| good
2026-07-10T08:00:00.000Z	33 \| good	5.525 \| good	22.008 \| good	32.403 \| good	0.482 \| good	3.026 \| good	0.277 \| good
2026-07-10T09:00:00.000Z	28 \| good	5.453 \| good	21.861 \| good	29.705 \| good	0.496 \| good	3.61 \| good	0.281 \| good
2026-07-10T10:00:00.000Z	27 \| good	5.315 \| good	21.251 \| good	28.827 \| good	0.58 \| good	5.684 \| good	0.376 \| good
2026-07-10T11:00:00.000Z	33 \| good	5.515 \| good	22.553 \| good	27.064 \| good	0.548 \| good	7.536 \| good	0.381 \| good
2026-07-10T12:00:00.000Z	33 \| good	5.974 \| good	24.163 \| good	24.82 \| good	0.534 \| good	8.719 \| good	0.376 \| good
2026-07-10T13:00:00.000Z	33 \| good	5.974 \| good	24.163 \| good	27.504 \| good	0.533 \| good	8.665 \| good	0.376 \| good
2026-07-10T14:00:00.000Z	44 \| good	7.734 \| good	31.48 \| good	31.92 \| good	0.697 \| good	6.299 \| good	0.375 \| good
2026-07-10T15:00:00.000Z	44 \| good	7.88 \| good	32.329 \| good	38.307 \| good	0.582 \| good	6.868 \| good	0.289 \| good
2026-07-10T16:00:00.000Z	39 \| good	7.239 \| good	29.684 \| good	41.711 \| good	0.513 \| good	6.66 \| good	0.289 \| good
2026-07-10T17:00:00.000Z	40 \| good	6.702 \| good	27.404 \| good	42.768 \| good	0.532 \| good	5.552 \| good	0.285 \| good
2026-07-10T18:00:00.000Z	36 \| good	5.735 \| good	23.322 \| good	39.016 \| good	0.578 \| good	4.712 \| good	0.195 \| good
2026-07-10T19:00:00.000Z	38 \| good	4.769 \| good	19.637 \| good	41.147 \| good	0.588 \| good	4.387 \| good	0.195 \| good
2026-07-10T20:00:00.000Z	36 \| good	4.492 \| good	18.691 \| good	38.644 \| good	0.488 \| good	4.272 \| good	0.195 \| good
2026-07-10T21:00:00.000Z	36 \| good	5.29 \| good	21.423 \| good	39.431 \| good	0.47 \| good	7.742 \| good	0.195 \| good
2026-07-10T22:00:00.000Z	37 \| good	5.702 \| good	23.546 \| good	40.309 \| good	0.429 \| good	4.381 \| good	0.285 \| good
2026-07-10T23:00:00.000Z	37 \| good	5.347 \| good	21.904 \| good	39.986 \| good	0.448 \| good	4.872 \| good	0.28 \| good
2026-07-11T00:00:00.000Z	29 \| good	4.997 \| good	20.207 \| good	31.222 \| good	0.447 \| good	5.059 \| good	0.193 \| good
2026-07-11T01:00:00.000Z	28 \| good	4.784 \| good	19.327 \| good	30.23 \| good	0.483 \| good	6.152 \| good	0.235 \| good
2026-07-11T02:00:00.000Z	27 \| good	4.991 \| good	19.71 \| good	27.979 \| good	0.52 \| good	6.653 \| good	0.278 \| good
2026-07-11T03:00:00.000Z	58 \| moderate	12.985 \| fine	58.611 \| fine	18.305 \| good	0.43 \| good	22.971 \| good	0.286 \| good
2026-07-11T04:00:00.000Z	33 \| good	5.913 \| good	23.723 \| good	25.155 \| good	0.652 \| good	9.248 \| good	0.373 \| good
2026-07-11T05:00:00.000Z	44 \| good	7.978 \| good	31.999 \| good	23.334 \| good	0.561 \| good	11.046 \| good	0.246 \| good
2026-07-11T06:00:00.000Z	54 \| moderate	10.777 \| good	42.113 \| good	20.839 \| good	0.584 \| good	13.015 \| good	0.201 \| good
2026-07-11T07:00:00.000Z	54 \| moderate	10.777 \| good	42.113 \| good	19.677 \| good	0.585 \| good	13.016 \| good	0.199 \| good
2026-07-11T08:00:00.000Z	58 \| moderate	13.004 \| fine	51.18 \| good	21.655 \| good	0.945 \| good	5.799 \| good	0.199 \| good
2026-07-11T09:00:00.000Z	60 \| moderate	13.737 \| fine	53.276 \| good	22.405 \| good	1.111 \| good	10.419 \| good	0.238 \| good
2026-07-11T10:00:00.000Z	60 \| moderate	14.242 \| fine	55.569 \| fine	24.343 \| good	0.873 \| good	11.215 \| good	0.322 \| good
2026-07-11T11:00:00.000Z	60 \| moderate	14.109 \| fine	50.706 \| good	22.717 \| good	0.962 \| good	7.217 \| good	0.324 \| good
2026-07-11T12:00:00.000Z	56 \| moderate	12.389 \| fine	55.9 \| fine	26.202 \| good	0.35 \| good	6.613 \| good	0.182 \| good
2026-07-11T13:00:00.000Z	56 \| moderate	12.357 \| fine	55.381 \| fine	31.201 \| good	0.379 \| good	4.627 \| good	0.172 \| good
2026-07-11T14:00:00.000Z	56 \| moderate	11.635 \| good	51.743 \| good	35.392 \| good	0.345 \| good	2.42 \| good	0.156 \| good
2026-07-11T15:00:00.000Z	52 \| moderate	10.109 \| good	44.814 \| good	35.968 \| good	0.316 \| good	1.535 \| good	0.149 \| good
2026-07-11T16:00:00.000Z	49 \| good	8.967 \| good	39.404 \| good	37.427 \| good	0.307 \| good	1.212 \| good	0.148 \| good
2026-07-11T17:00:00.000Z	44 \| good	8.157 \| good	36.09 \| good	38.684 \| good	0.304 \| good	1.102 \| good	0.147 \| good
2026-07-11T18:00:00.000Z	38 \| good	7.328 \| good	32.152 \| good	40.496 \| good	0.303 \| good	1.102 \| good	0.148 \| good
2026-07-11T19:00:00.000Z	44 \| good	7.878 \| good	34.675 \| good	39.379 \| good	0.305 \| good	1.159 \| good	0.148 \| good
2026-07-11T20:00:00.000Z	52 \| moderate	9.825 \| good	43.496 \| good	34.41 \| good	0.307 \| good	1.292 \| good	0.149 \| good
2026-07-11T21:00:00.000Z	49 \| good	8.655 \| good	38.247 \| good	30.975 \| good	0.307 \| good	1.552 \| good	0.151 \| good
2026-07-11T22:00:00.000Z	38 \| good	6.905 \| good	30.459 \| good	28.697 \| good	0.31 \| good	2.093 \| good	0.154 \| good
2026-07-11T23:00:00.000Z	52 \| moderate	9.628 \| good	42.85 \| good	25.023 \| good	0.316 \| good	3.186 \| good	0.159 \| good
2026-07-12T00:00:00.000Z	58 \| moderate	12.52 \| fine	56.071 \| fine	16.389 \| good	0.321 \| good	6.137 \| good	0.172 \| good
2026-07-12T01:00:00.000Z	60 \| moderate	13.507 \| fine	60.459 \| fine	13.435 \| good	0.327 \| good	9.586 \| good	0.181 \| good
2026-07-12T02:00:00.000Z	58 \| moderate	13.296 \| fine	59.971 \| fine	14.418 \| good	0.332 \| good	11.432 \| good	0.184 \| good
2026-07-12T03:00:00.000Z	60 \| moderate	14.008 \| fine	62.787 \| fine	16.057 \| good	0.359 \| good	15.12 \| good	0.196 \| good
2026-07-12T04:00:00.000Z	60 \| moderate	13.795 \| fine	62.073 \| fine	13.657 \| good	0.393 \| good	21.565 \| good	0.225 \| good
2026-07-12T05:00:00.000Z	56 \| moderate	12.454 \| fine	56.131 \| fine	11.77 \| good	0.379 \| good	21.01 \| good	0.233 \| good
2026-07-12T06:00:00.000Z	54 \| moderate	11.076 \| good	49.193 \| good	12.246 \| good	0.349 \| good	13.614 \| good	0.202 \| good
2026-07-12T07:00:00.000Z	52 \| moderate	10.398 \| good	46.16 \| good	13.65 \| good	0.305 \| good	8.85 \| good	0.175 \| good
2026-07-12T08:00:00.000Z	52 \| moderate	9.541 \| good	42.547 \| good	16.245 \| good	0.269 \| good	6.462 \| good	0.157 \| good
2026-07-12T09:00:00.000Z	49 \| good	9.209 \| good	40.849 \| good	15.616 \| good	0.245 \| good	5.486 \| good	0.148 \| good
2026-07-12T10:00:00.000Z	44 \| good	8.096 \| good	35.5 \| good	18.122 \| good	0.231 \| good	4.934 \| good	0.144 \| good
2026-07-12T11:00:00.000Z	38 \| good	6.707 \| good	29.76 \| good	22.917 \| good	0.232 \| good	4.49 \| good	0.147 \| good
2026-07-12T12:00:00.000Z	38 \| good	6.602 \| good	29.523 \| good	28.928 \| good	0.248 \| good	3.209 \| good	0.144 \| good
2026-07-12T13:00:00.000Z	33 \| good	6.157 \| good	27.173 \| good	33.072 \| good	0.251 \| good	2.161 \| good	0.143 \| good
2026-07-12T14:00:00.000Z	33 \| good	5.938 \| good	26.436 \| good	34.373 \| good	0.225 \| good	1.51 \| good	0.147 \| good
2026-07-12T15:00:00.000Z	31 \| good	5.416 \| good	23.216 \| good	34.112 \| good	0.206 \| good	1.188 \| good	0.151 \| good
2026-07-12T16:00:00.000Z	32 \| good	4.901 \| good	21.138 \| good	34.609 \| good	0.187 \| good	0.966 \| good	0.154 \| good
2026-07-12T17:00:00.000Z	33 \| good	4.717 \| good	20.392 \| good	35.521 \| good	0.179 \| good	0.884 \| good	0.158 \| good
2026-07-12T18:00:00.000Z	35 \| good	4.906 \| good	21.265 \| good	37.566 \| good	0.179 \| good	0.908 \| good	0.162 \| good
2026-07-12T19:00:00.000Z	35 \| good	4.868 \| good	21.257 \| good	37.681 \| good	0.184 \| good	0.983 \| good	0.166 \| good
2026-07-12T20:00:00.000Z	33 \| good	5.857 \| good	25.322 \| good	35.058 \| good	0.195 \| good	1.154 \| good	0.169 \| good
2026-07-12T21:00:00.000Z	33 \| good	6.436 \| good	28.851 \| good	32.107 \| good	0.205 \| good	1.426 \| good	0.173 \| good
2026-07-12T22:00:00.000Z	38 \| good	6.64 \| good	29.704 \| good	30.398 \| good	0.213 \| good	1.879 \| good	0.176 \| good
2026-07-12T23:00:00.000Z	38 \| good	6.989 \| good	31.096 \| good	25.219 \| good	0.223 \| good	2.63 \| good	0.18 \| good
2026-07-13T00:00:00.000Z	52 \| moderate	10.244 \| good	45.29 \| good	15.904 \| good	0.244 \| good	4.938 \| good	0.191 \| good
2026-07-13T01:00:00.000Z	54 \| moderate	10.837 \| good	48.02 \| good	13.996 \| good	0.274 \| good	8.321 \| good	0.21 \| good
2026-07-13T02:00:00.000Z	52 \| moderate	9.99 \| good	44.217 \| good	17.593 \| good	0.288 \| good	9.767 \| good	0.217 \| good
2026-07-13T03:00:00.000Z	49 \| good	8.891 \| good	39.188 \| good	19.315 \| good	0.291 \| good	10.027 \| good	0.218 \| good
2026-07-13T04:00:00.000Z	38 \| good	7.315 \| good	32.188 \| good	19.248 \| good	0.283 \| good	8.803 \| good	0.211 \| good
2026-07-13T05:00:00.000Z	44 \| good	8.268 \| good	36.32 \| good	20.021 \| good	0.271 \| good	7.23 \| good	0.199 \| good
2026-07-13T06:00:00.000Z	54 \| moderate	11.344 \| good	12.568 \| good	29.906 \| good	0.263 \| good	6.23 \| good	0.188 \| good
2026-07-13T07:00:00.000Z	38 \| good	6.891 \| good	30.52 \| good	20.989 \| good	0.25 \| good	5.571 \| good	0.18 \| good
2026-07-13T08:00:00.000Z	33 \| good	6.158 \| good	26.867 \| good	21.695 \| good	0.251 \| good	5.463 \| good	0.175 \| good
2026-07-13T09:00:00.000Z	44 \| good	8.351 \| good	36.665 \| good	17.171 \| good	0.27 \| good	5.636 \| good	0.172 \| good
2026-07-13T10:00:00.000Z	49 \| good	8.649 \| good	37.784 \| good	20.148 \| good	0.305 \| good	5.915 \| good	0.171 \| good
2026-07-13T11:00:00.000Z	44 \| good	8.358 \| good	36.717 \| good	27.705 \| good	0.344 \| good	6.68 \| good	0.181 \| good

Real-time air quality index in Melrose, Massachusetts today

Common air pollutants in Melrose, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Melrose, Massachusetts air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Malden, Massachusetts

Saugus, Massachusetts

Stoneham, Massachusetts

Medford, Massachusetts

Everett, Massachusetts

Wakefield, Massachusetts

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Melrose, Massachusetts?

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

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

What are the current PM10 levels at Melrose, Massachusetts?

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

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

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

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

What are the current PM₁₀ levels at Melrose, Massachusetts?

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

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

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