What is the current level of PM10 in Salem, Massachusetts?

Salem, Massachusetts currently has a PM10 concentration of 117.672 μg/m3.

What is the current level of sulfur dioxide (SO2) in Salem, Massachusetts?

The current sulfur dioxide (SO2) concentration in Salem, Massachusetts is 0.434 ppb.

What is the current level of ozone (O3) in Salem, Massachusetts?

Salem, Massachusetts currently has an ozone (O3) concentration of 36.808 ppm.

What is the current level of nitrogen dioxide (NO2) in Salem, Massachusetts?

The current level of nitrogen dioxide (NO2) in Salem, Massachusetts is 2.312 ppb.

Current air quality index in Salem, Massachusetts today

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

Stay updated with real-time air quality in Salem, 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

Salem, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Salem, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

27.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

121.96 μg/m³

155

255

425

605+

Ozone (O₃)

25.52 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Salem, Massachusetts

Get Live Pollen Counts

Salem, Massachusetts

Scroll To Air Quality Map

Track live Salem, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T05:00:00.000Z	49 \| good	9.216 \| good	41.108 \| good	38.93 \| good	0.393 \| good	16.413 \| good	0.336 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.69 \| good	28.584 \| good	37.98 \| good	0.328 \| good	16.18 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	49 \| good	8.059 \| good	52.661 \| good	29.323 \| good	0.509 \| good	6.12 \| good	0.337 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	11.426 \| good	50.73 \| good	28.192 \| good	0.535 \| good	6.49 \| good	0.328 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.445 \| good	46.721 \| good	26.218 \| good	0.491 \| good	5.271 \| good	0.238 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.664 \| good	43.543 \| good	28.315 \| good	0.437 \| good	5.496 \| good	0.251 \| good
2025-07-30T11:00:00.000Z	49 \| good	9.016 \| good	39.649 \| good	27.02 \| good	0.475 \| good	6.755 \| good	0.258 \| good
2025-07-30T12:00:00.000Z	49 \| good	8.725 \| good	38.514 \| good	23.483 \| good	0.551 \| good	7.82 \| good	0.33 \| good
2025-07-30T13:00:00.000Z	49 \| good	8.908 \| good	39.26 \| good	27.446 \| good	0.453 \| good	6.666 \| good	0.302 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	9.792 \| good	44.043 \| good	29.462 \| good	0.51 \| good	5.416 \| good	0.26 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	10.006 \| good	44.79 \| good	31.482 \| good	0.407 \| good	3.679 \| good	0.244 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	9.962 \| good	44.351 \| good	35.25 \| good	0.433 \| good	3.497 \| good	0.224 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.102 \| good	45.299 \| good	38.017 \| good	0.607 \| good	5.013 \| good	0.267 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.367 \| good	46.986 \| good	38.244 \| good	0.593 \| good	4.481 \| good	0.256 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	10.396 \| good	46.473 \| good	41.323 \| good	0.575 \| good	4.048 \| good	0.273 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	10.563 \| good	47.318 \| good	41.097 \| good	0.505 \| good	3.875 \| good	0.273 \| good
2025-07-30T21:00:00.000Z	54 \| moderate	10.544 \| good	47.152 \| good	38.957 \| good	0.557 \| good	4.395 \| good	0.306 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.516 \| good	47.087 \| good	37.861 \| good	0.491 \| good	4.58 \| good	0.341 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.347 \| good	46.377 \| good	37.875 \| good	0.633 \| good	6.024 \| good	0.277 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.019 \| good	45.119 \| good	40.282 \| good	0.442 \| good	4.956 \| good	0.277 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	9.939 \| good	44.956 \| good	39.112 \| good	0.42 \| good	8.404 \| good	0.362 \| good
2025-07-31T02:00:00.000Z	52 \| moderate	9.97 \| good	44.821 \| good	35.107 \| good	0.424 \| good	8.708 \| good	0.313 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	31.817 \| good	0.437 \| good	6.915 \| good	0.271 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	32.088 \| good	0.414 \| good	6.919 \| good	0.271 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	33.895 \| good	0.467 \| good	10.291 \| good	0.297 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	10.623 \| good	88.236 \| fine	33.552 \| good	0.928 \| good	10.219 \| good	0.322 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.574 \| fine	76.763 \| fine	28.201 \| good	0.366 \| good	11.52 \| good	0.223 \| good
2025-07-31T08:00:00.000Z	49 \| good	8.771 \| good	38.097 \| good	31.428 \| good	0.417 \| good	12.226 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	49 \| good	8.893 \| good	39.429 \| good	28.278 \| good	0.578 \| good	3.852 \| good	0.187 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.197 \| good	41.309 \| good	28.56 \| good	0.639 \| good	3.55 \| good	0.2 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	9.649 \| good	43.447 \| good	24.423 \| good	0.554 \| good	4.112 \| good	0.278 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.148 \| good	49.783 \| good	24.805 \| good	0.73 \| good	4.847 \| good	0.274 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.128 \| fine	59.564 \| fine	25.873 \| good	0.616 \| good	5.075 \| good	0.309 \| good
2025-07-31T14:00:00.000Z	64 \| moderate	16.062 \| fine	71.677 \| fine	28.159 \| good	0.347 \| good	4.651 \| good	0.309 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	19.049 \| fine	83.817 \| fine	29.156 \| good	0.34 \| good	4.701 \| good	0.344 \| good
2025-07-31T16:00:00.000Z	77 \| moderate	23.192 \| fine	101.917 \| fine	28.061 \| good	0.41 \| good	3.504 \| good	0.344 \| good
2025-07-31T17:00:00.000Z	84 \| moderate	27.367 \| fine	119.453 \| fine	24.468 \| good	0.368 \| good	3.688 \| good	0.309 \| good
2025-07-31T18:00:00.000Z	90 \| moderate	29.669 \| fine	129.366 \| fine	23.359 \| good	0.336 \| good	3.571 \| good	0.309 \| good
2025-07-31T19:00:00.000Z	97 \| moderate	34.09 \| fine	147.944 \| fine	26.965 \| good	0.358 \| good	3.161 \| good	0.351 \| good
2025-07-31T20:00:00.000Z	96 \| moderate	32.711 \| fine	142.847 \| fine	27.841 \| good	0.369 \| good	2.719 \| good	0.316 \| good
2025-07-31T21:00:00.000Z	92 \| moderate	31.451 \| fine	136.579 \| fine	28.772 \| good	0.314 \| good	2.887 \| good	0.3 \| good
2025-07-31T22:00:00.000Z	90 \| moderate	30.393 \| fine	132.489 \| fine	26.432 \| good	0.321 \| good	3.379 \| good	0.3 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	9.565 \| good	42.431 \| good	29.278 \| good	0.418 \| good	3.401 \| good	0.27 \| good
2025-08-01T00:00:00.000Z	90 \| moderate	30.007 \| fine	130.223 \| fine	27.578 \| good	0.343 \| good	3.905 \| good	0.3 \| good
2025-08-01T01:00:00.000Z	88 \| moderate	28.823 \| fine	125.771 \| fine	26.505 \| good	0.333 \| good	3.351 \| good	0.307 \| good
2025-08-01T02:00:00.000Z	88 \| moderate	29.059 \| fine	126.658 \| fine	25.521 \| good	0.28 \| good	2.775 \| good	0.265 \| good
2025-08-01T03:00:00.000Z	86 \| moderate	27.882 \| fine	121.964 \| fine	25.515 \| good	0.28 \| good	2.974 \| good	0.265 \| good
2025-08-01T04:00:00.000Z	86 \| moderate	27.882 \| fine	121.964 \| fine	25.515 \| good	0.28 \| good	2.974 \| good	0.265 \| good
2025-07-26T20:00:00.000Z	33 \| good	5.637 \| good	24.261 \| good	29.472 \| good	0.358 \| good	1.979 \| good	0.295 \| good
2025-07-26T21:00:00.000Z	33 \| good	5.842 \| good	25.448 \| good	28.411 \| good	0.363 \| good	2.289 \| good	0.294 \| good
2025-07-26T22:00:00.000Z	38 \| good	7.172 \| good	32.087 \| good	26.245 \| good	0.399 \| good	3.7 \| good	0.302 \| good
2025-07-26T23:00:00.000Z	44 \| good	8.382 \| good	37.129 \| good	23.801 \| good	0.435 \| good	5.111 \| good	0.31 \| good
2025-07-27T00:00:00.000Z	38 \| good	7.174 \| good	32.164 \| good	30.149 \| good	0.471 \| good	6.521 \| good	0.318 \| good
2025-07-27T01:00:00.000Z	49 \| good	8.636 \| good	37.42 \| good	25.565 \| good	0.508 \| good	6.422 \| good	0.316 \| good
2025-07-27T02:00:00.000Z	52 \| moderate	10.031 \| good	44.416 \| good	24.179 \| good	0.545 \| good	6.323 \| good	0.313 \| good
2025-07-27T03:00:00.000Z	52 \| moderate	10.085 \| good	44.661 \| good	21.363 \| good	0.581 \| good	6.224 \| good	0.311 \| good
2025-07-27T04:00:00.000Z	44 \| good	8.455 \| good	37.273 \| good	21.896 \| good	0.606 \| good	6.124 \| good	0.311 \| good
2025-07-27T05:00:00.000Z	38 \| good	7.423 \| good	32.877 \| good	23.019 \| good	0.631 \| good	6.023 \| good	0.311 \| good
2025-07-27T06:00:00.000Z	44 \| good	7.65 \| good	33.855 \| good	22.83 \| good	0.656 \| good	5.923 \| good	0.31 \| good
2025-07-27T07:00:00.000Z	38 \| good	7.398 \| good	32.66 \| good	21.109 \| good	0.663 \| good	5.625 \| good	0.306 \| good
2025-07-27T08:00:00.000Z	38 \| good	7.179 \| good	31.586 \| good	21.435 \| good	0.67 \| good	5.327 \| good	0.301 \| good
2025-07-27T09:00:00.000Z	38 \| good	7.489 \| good	33.023 \| good	23.309 \| good	0.677 \| good	5.028 \| good	0.297 \| good
2025-07-27T10:00:00.000Z	27 \| good	5.371 \| good	23.271 \| good	24.228 \| good	0.712 \| good	5.677 \| good	0.301 \| good
2025-07-27T11:00:00.000Z	22 \| good	4.152 \| good	18.436 \| good	22.957 \| good	0.748 \| good	6.325 \| good	0.304 \| good
2025-07-27T12:00:00.000Z	22 \| good	4.399 \| good	19.324 \| good	22.253 \| good	0.783 \| good	6.973 \| good	0.308 \| good
2025-07-27T13:00:00.000Z	33 \| good	5.543 \| good	24.028 \| good	22.568 \| good	0.81 \| good	6.593 \| good	0.306 \| good
2025-07-27T14:00:00.000Z	33 \| good	5.787 \| good	24.738 \| good	23.22 \| good	0.837 \| good	6.212 \| good	0.304 \| good
2025-07-27T15:00:00.000Z	38 \| good	6.832 \| good	30.466 \| good	27.434 \| good	0.863 \| good	5.831 \| good	0.303 \| good
2025-07-27T16:00:00.000Z	33 \| good	6.379 \| good	28.501 \| good	32.136 \| good	0.837 \| good	5.091 \| good	0.294 \| good
2025-07-27T17:00:00.000Z	33 \| good	5.908 \| good	25.784 \| good	33.067 \| good	0.81 \| good	4.35 \| good	0.286 \| good
2025-07-27T18:00:00.000Z	38 \| good	7.432 \| good	32.613 \| good	30.329 \| good	0.783 \| good	3.61 \| good	0.277 \| good
2025-07-27T19:00:00.000Z	44 \| good	7.663 \| good	34.146 \| good	30.993 \| good	0.764 \| good	3.951 \| good	0.28 \| good
2025-07-27T20:00:00.000Z	38 \| good	7.132 \| good	31.433 \| good	28.832 \| good	0.744 \| good	4.292 \| good	0.282 \| good
2025-07-27T21:00:00.000Z	38 \| good	7.325 \| good	32.394 \| good	25.142 \| good	0.724 \| good	4.633 \| good	0.285 \| good
2025-07-27T22:00:00.000Z	33 \| good	6.406 \| good	28.508 \| good	24.283 \| good	0.666 \| good	4.714 \| good	0.281 \| good
2025-07-27T23:00:00.000Z	38 \| good	7.148 \| good	31.33 \| good	26.629 \| good	0.609 \| good	4.795 \| good	0.277 \| good
2025-07-28T00:00:00.000Z	28 \| good	5.044 \| good	21.692 \| good	29.885 \| good	0.551 \| good	4.876 \| good	0.273 \| good
2025-07-28T01:00:00.000Z	28 \| good	4.92 \| good	21.657 \| good	29.515 \| good	0.562 \| good	5.042 \| good	0.267 \| good
2025-07-28T02:00:00.000Z	27 \| good	5.283 \| good	22.855 \| good	23.519 \| good	0.574 \| good	5.209 \| good	0.261 \| good
2025-07-28T03:00:00.000Z	33 \| good	5.98 \| good	25.77 \| good	15.731 \| good	0.585 \| good	5.376 \| good	0.254 \| good
2025-07-28T04:00:00.000Z	27 \| good	5.363 \| good	23.289 \| good	13.684 \| good	0.583 \| good	5.359 \| good	0.249 \| good
2025-07-28T05:00:00.000Z	33 \| good	5.672 \| good	24.421 \| good	13.9 \| good	0.582 \| good	5.343 \| good	0.244 \| good
2025-07-28T06:00:00.000Z	44 \| good	7.556 \| good	33.117 \| good	15.682 \| good	0.58 \| good	5.326 \| good	0.238 \| good
2025-07-28T07:00:00.000Z	52 \| moderate	9.939 \| good	44.502 \| good	17.625 \| good	0.602 \| good	5.463 \| good	0.24 \| good
2025-07-28T08:00:00.000Z	56 \| moderate	11.692 \| good	51.448 \| good	17.853 \| good	0.624 \| good	5.599 \| good	0.241 \| good
2025-07-28T09:00:00.000Z	56 \| moderate	12.097 \| good	54.551 \| good	23.642 \| good	0.646 \| good	5.736 \| good	0.242 \| good
2025-07-28T10:00:00.000Z	52 \| moderate	9.719 \| good	42.983 \| good	22.021 \| good	0.637 \| good	5.964 \| good	0.255 \| good
2025-07-28T11:00:00.000Z	49 \| good	8.625 \| good	37.554 \| good	21.18 \| good	0.628 \| good	6.193 \| good	0.268 \| good
2025-07-28T12:00:00.000Z	44 \| good	8.452 \| good	36.882 \| good	24.688 \| good	0.62 \| good	6.421 \| good	0.281 \| good
2025-07-28T13:00:00.000Z	49 \| good	8.785 \| good	38.258 \| good	33.859 \| good	0.538 \| good	5.524 \| good	0.283 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.222 \| good	49.861 \| good	41.73 \| good	0.456 \| good	4.626 \| good	0.286 \| good
2025-07-28T15:00:00.000Z	52 \| moderate	9.707 \| good	43.126 \| good	42.679 \| good	0.374 \| good	3.729 \| good	0.288 \| good
2025-07-28T16:00:00.000Z	49 \| good	8.605 \| good	38.158 \| good	43.433 \| good	0.359 \| good	3.182 \| good	0.283 \| good
2025-07-28T17:00:00.000Z	49 \| good	9.186 \| good	41.535 \| good	43.159 \| good	0.344 \| good	2.635 \| good	0.278 \| good
2025-07-28T18:00:00.000Z	52 \| moderate	10.187 \| good	45.185 \| good	49.333 \| good	0.329 \| good	2.088 \| good	0.273 \| good
2025-07-28T19:00:00.000Z	52 \| moderate	9.979 \| good	44.218 \| good	51.416 \| good	0.359 \| good	2.307 \| good	0.273 \| good

Salem

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Salem, Massachusetts

0.37ppm

How accurate is Massachusetts, USA air quality data?

The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Salem, Massachusetts get updated?

Air quality updates for Salem, Massachusetts are available every hour.

What time in the past 24 hours saw the poorest air quality in Salem, Massachusetts?

Salem, Massachusetts experienced its worst air quality at 02:00:00, 2025-07-26.

When was air quality in Salem, Massachusetts the best over the past 24 hours?

The best air quality in Salem, Massachusetts was observed at 05:00:00 on 2025-07-26.

What is the air quality in Salem, Massachusetts right now?

The air quality in Salem, Massachusetts right now is Moderate, with an AQI of 84.

What pollutant is most frequently found in Salem, Massachusetts?

In Salem, Massachusetts, PM2.5 is the most frequently found pollutant.

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

When air quality in Salem, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Salem, Massachusetts right now?

Salem, Massachusetts currently has a PM_2.5 concentration of 26.962 μg/m³.

What is the current level of PM₁₀ in Salem, Massachusetts?

Salem, Massachusetts currently has a PM₁₀ concentration of 117.672 μg/m³.

What is the current level of carbon monoxide (CO) in Salem, Massachusetts?

The current carbon monoxide (CO) level in Salem, Massachusetts is 0.375 ppm.

What is the current level of sulfur dioxide (SO₂) in Salem, Massachusetts?

The current sulfur dioxide (SO₂) concentration in Salem, Massachusetts is 0.434 ppb.

What is the current level of ozone (O₃) in Salem, Massachusetts?

Salem, Massachusetts currently has an ozone (O₃) concentration of 36.808 ppm.

What is the current level of nitrogen dioxide (NO₂) in Salem, Massachusetts?

The current level of nitrogen dioxide (NO₂) in Salem, Massachusetts is 2.312 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T05:00:00.000Z	49 \| good	9.216 \| good	41.108 \| good	38.93 \| good	0.393 \| good	16.413 \| good	0.336 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.69 \| good	28.584 \| good	37.98 \| good	0.328 \| good	16.18 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	49 \| good	8.059 \| good	52.661 \| good	29.323 \| good	0.509 \| good	6.12 \| good	0.337 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	11.426 \| good	50.73 \| good	28.192 \| good	0.535 \| good	6.49 \| good	0.328 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.445 \| good	46.721 \| good	26.218 \| good	0.491 \| good	5.271 \| good	0.238 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.664 \| good	43.543 \| good	28.315 \| good	0.437 \| good	5.496 \| good	0.251 \| good
2025-07-30T11:00:00.000Z	49 \| good	9.016 \| good	39.649 \| good	27.02 \| good	0.475 \| good	6.755 \| good	0.258 \| good
2025-07-30T12:00:00.000Z	49 \| good	8.725 \| good	38.514 \| good	23.483 \| good	0.551 \| good	7.82 \| good	0.33 \| good
2025-07-30T13:00:00.000Z	49 \| good	8.908 \| good	39.26 \| good	27.446 \| good	0.453 \| good	6.666 \| good	0.302 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	9.792 \| good	44.043 \| good	29.462 \| good	0.51 \| good	5.416 \| good	0.26 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	10.006 \| good	44.79 \| good	31.482 \| good	0.407 \| good	3.679 \| good	0.244 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	9.962 \| good	44.351 \| good	35.25 \| good	0.433 \| good	3.497 \| good	0.224 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.102 \| good	45.299 \| good	38.017 \| good	0.607 \| good	5.013 \| good	0.267 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	10.367 \| good	46.986 \| good	38.244 \| good	0.593 \| good	4.481 \| good	0.256 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	10.396 \| good	46.473 \| good	41.323 \| good	0.575 \| good	4.048 \| good	0.273 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	10.563 \| good	47.318 \| good	41.097 \| good	0.505 \| good	3.875 \| good	0.273 \| good
2025-07-30T21:00:00.000Z	54 \| moderate	10.544 \| good	47.152 \| good	38.957 \| good	0.557 \| good	4.395 \| good	0.306 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.516 \| good	47.087 \| good	37.861 \| good	0.491 \| good	4.58 \| good	0.341 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.347 \| good	46.377 \| good	37.875 \| good	0.633 \| good	6.024 \| good	0.277 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.019 \| good	45.119 \| good	40.282 \| good	0.442 \| good	4.956 \| good	0.277 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	9.939 \| good	44.956 \| good	39.112 \| good	0.42 \| good	8.404 \| good	0.362 \| good
2025-07-31T02:00:00.000Z	52 \| moderate	9.97 \| good	44.821 \| good	35.107 \| good	0.424 \| good	8.708 \| good	0.313 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	31.817 \| good	0.437 \| good	6.915 \| good	0.271 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	32.088 \| good	0.414 \| good	6.919 \| good	0.271 \| good
2025-07-31T05:00:00.000Z	52 \| moderate	9.791 \| good	43.906 \| good	33.895 \| good	0.467 \| good	10.291 \| good	0.297 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	10.623 \| good	88.236 \| fine	33.552 \| good	0.928 \| good	10.219 \| good	0.322 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.574 \| fine	76.763 \| fine	28.201 \| good	0.366 \| good	11.52 \| good	0.223 \| good
2025-07-31T08:00:00.000Z	49 \| good	8.771 \| good	38.097 \| good	31.428 \| good	0.417 \| good	12.226 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	49 \| good	8.893 \| good	39.429 \| good	28.278 \| good	0.578 \| good	3.852 \| good	0.187 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.197 \| good	41.309 \| good	28.56 \| good	0.639 \| good	3.55 \| good	0.2 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	9.649 \| good	43.447 \| good	24.423 \| good	0.554 \| good	4.112 \| good	0.278 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.148 \| good	49.783 \| good	24.805 \| good	0.73 \| good	4.847 \| good	0.274 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.128 \| fine	59.564 \| fine	25.873 \| good	0.616 \| good	5.075 \| good	0.309 \| good
2025-07-31T14:00:00.000Z	64 \| moderate	16.062 \| fine	71.677 \| fine	28.159 \| good	0.347 \| good	4.651 \| good	0.309 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	19.049 \| fine	83.817 \| fine	29.156 \| good	0.34 \| good	4.701 \| good	0.344 \| good
2025-07-31T16:00:00.000Z	77 \| moderate	23.192 \| fine	101.917 \| fine	28.061 \| good	0.41 \| good	3.504 \| good	0.344 \| good
2025-07-31T17:00:00.000Z	84 \| moderate	27.367 \| fine	119.453 \| fine	24.468 \| good	0.368 \| good	3.688 \| good	0.309 \| good
2025-07-31T18:00:00.000Z	90 \| moderate	29.669 \| fine	129.366 \| fine	23.359 \| good	0.336 \| good	3.571 \| good	0.309 \| good
2025-07-31T19:00:00.000Z	97 \| moderate	34.09 \| fine	147.944 \| fine	26.965 \| good	0.358 \| good	3.161 \| good	0.351 \| good
2025-07-31T20:00:00.000Z	96 \| moderate	32.711 \| fine	142.847 \| fine	27.841 \| good	0.369 \| good	2.719 \| good	0.316 \| good
2025-07-31T21:00:00.000Z	92 \| moderate	31.451 \| fine	136.579 \| fine	28.772 \| good	0.314 \| good	2.887 \| good	0.3 \| good
2025-07-31T22:00:00.000Z	90 \| moderate	30.393 \| fine	132.489 \| fine	26.432 \| good	0.321 \| good	3.379 \| good	0.3 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	9.565 \| good	42.431 \| good	29.278 \| good	0.418 \| good	3.401 \| good	0.27 \| good
2025-08-01T00:00:00.000Z	90 \| moderate	30.007 \| fine	130.223 \| fine	27.578 \| good	0.343 \| good	3.905 \| good	0.3 \| good
2025-08-01T01:00:00.000Z	88 \| moderate	28.823 \| fine	125.771 \| fine	26.505 \| good	0.333 \| good	3.351 \| good	0.307 \| good
2025-08-01T02:00:00.000Z	88 \| moderate	29.059 \| fine	126.658 \| fine	25.521 \| good	0.28 \| good	2.775 \| good	0.265 \| good
2025-08-01T03:00:00.000Z	86 \| moderate	27.882 \| fine	121.964 \| fine	25.515 \| good	0.28 \| good	2.974 \| good	0.265 \| good
2025-08-01T04:00:00.000Z	86 \| moderate	27.882 \| fine	121.964 \| fine	25.515 \| good	0.28 \| good	2.974 \| good	0.265 \| good
2025-07-26T20:00:00.000Z	33 \| good	5.637 \| good	24.261 \| good	29.472 \| good	0.358 \| good	1.979 \| good	0.295 \| good
2025-07-26T21:00:00.000Z	33 \| good	5.842 \| good	25.448 \| good	28.411 \| good	0.363 \| good	2.289 \| good	0.294 \| good
2025-07-26T22:00:00.000Z	38 \| good	7.172 \| good	32.087 \| good	26.245 \| good	0.399 \| good	3.7 \| good	0.302 \| good
2025-07-26T23:00:00.000Z	44 \| good	8.382 \| good	37.129 \| good	23.801 \| good	0.435 \| good	5.111 \| good	0.31 \| good
2025-07-27T00:00:00.000Z	38 \| good	7.174 \| good	32.164 \| good	30.149 \| good	0.471 \| good	6.521 \| good	0.318 \| good
2025-07-27T01:00:00.000Z	49 \| good	8.636 \| good	37.42 \| good	25.565 \| good	0.508 \| good	6.422 \| good	0.316 \| good
2025-07-27T02:00:00.000Z	52 \| moderate	10.031 \| good	44.416 \| good	24.179 \| good	0.545 \| good	6.323 \| good	0.313 \| good
2025-07-27T03:00:00.000Z	52 \| moderate	10.085 \| good	44.661 \| good	21.363 \| good	0.581 \| good	6.224 \| good	0.311 \| good
2025-07-27T04:00:00.000Z	44 \| good	8.455 \| good	37.273 \| good	21.896 \| good	0.606 \| good	6.124 \| good	0.311 \| good
2025-07-27T05:00:00.000Z	38 \| good	7.423 \| good	32.877 \| good	23.019 \| good	0.631 \| good	6.023 \| good	0.311 \| good
2025-07-27T06:00:00.000Z	44 \| good	7.65 \| good	33.855 \| good	22.83 \| good	0.656 \| good	5.923 \| good	0.31 \| good
2025-07-27T07:00:00.000Z	38 \| good	7.398 \| good	32.66 \| good	21.109 \| good	0.663 \| good	5.625 \| good	0.306 \| good
2025-07-27T08:00:00.000Z	38 \| good	7.179 \| good	31.586 \| good	21.435 \| good	0.67 \| good	5.327 \| good	0.301 \| good
2025-07-27T09:00:00.000Z	38 \| good	7.489 \| good	33.023 \| good	23.309 \| good	0.677 \| good	5.028 \| good	0.297 \| good
2025-07-27T10:00:00.000Z	27 \| good	5.371 \| good	23.271 \| good	24.228 \| good	0.712 \| good	5.677 \| good	0.301 \| good
2025-07-27T11:00:00.000Z	22 \| good	4.152 \| good	18.436 \| good	22.957 \| good	0.748 \| good	6.325 \| good	0.304 \| good
2025-07-27T12:00:00.000Z	22 \| good	4.399 \| good	19.324 \| good	22.253 \| good	0.783 \| good	6.973 \| good	0.308 \| good
2025-07-27T13:00:00.000Z	33 \| good	5.543 \| good	24.028 \| good	22.568 \| good	0.81 \| good	6.593 \| good	0.306 \| good
2025-07-27T14:00:00.000Z	33 \| good	5.787 \| good	24.738 \| good	23.22 \| good	0.837 \| good	6.212 \| good	0.304 \| good
2025-07-27T15:00:00.000Z	38 \| good	6.832 \| good	30.466 \| good	27.434 \| good	0.863 \| good	5.831 \| good	0.303 \| good
2025-07-27T16:00:00.000Z	33 \| good	6.379 \| good	28.501 \| good	32.136 \| good	0.837 \| good	5.091 \| good	0.294 \| good
2025-07-27T17:00:00.000Z	33 \| good	5.908 \| good	25.784 \| good	33.067 \| good	0.81 \| good	4.35 \| good	0.286 \| good
2025-07-27T18:00:00.000Z	38 \| good	7.432 \| good	32.613 \| good	30.329 \| good	0.783 \| good	3.61 \| good	0.277 \| good
2025-07-27T19:00:00.000Z	44 \| good	7.663 \| good	34.146 \| good	30.993 \| good	0.764 \| good	3.951 \| good	0.28 \| good
2025-07-27T20:00:00.000Z	38 \| good	7.132 \| good	31.433 \| good	28.832 \| good	0.744 \| good	4.292 \| good	0.282 \| good
2025-07-27T21:00:00.000Z	38 \| good	7.325 \| good	32.394 \| good	25.142 \| good	0.724 \| good	4.633 \| good	0.285 \| good
2025-07-27T22:00:00.000Z	33 \| good	6.406 \| good	28.508 \| good	24.283 \| good	0.666 \| good	4.714 \| good	0.281 \| good
2025-07-27T23:00:00.000Z	38 \| good	7.148 \| good	31.33 \| good	26.629 \| good	0.609 \| good	4.795 \| good	0.277 \| good
2025-07-28T00:00:00.000Z	28 \| good	5.044 \| good	21.692 \| good	29.885 \| good	0.551 \| good	4.876 \| good	0.273 \| good
2025-07-28T01:00:00.000Z	28 \| good	4.92 \| good	21.657 \| good	29.515 \| good	0.562 \| good	5.042 \| good	0.267 \| good
2025-07-28T02:00:00.000Z	27 \| good	5.283 \| good	22.855 \| good	23.519 \| good	0.574 \| good	5.209 \| good	0.261 \| good
2025-07-28T03:00:00.000Z	33 \| good	5.98 \| good	25.77 \| good	15.731 \| good	0.585 \| good	5.376 \| good	0.254 \| good
2025-07-28T04:00:00.000Z	27 \| good	5.363 \| good	23.289 \| good	13.684 \| good	0.583 \| good	5.359 \| good	0.249 \| good
2025-07-28T05:00:00.000Z	33 \| good	5.672 \| good	24.421 \| good	13.9 \| good	0.582 \| good	5.343 \| good	0.244 \| good
2025-07-28T06:00:00.000Z	44 \| good	7.556 \| good	33.117 \| good	15.682 \| good	0.58 \| good	5.326 \| good	0.238 \| good
2025-07-28T07:00:00.000Z	52 \| moderate	9.939 \| good	44.502 \| good	17.625 \| good	0.602 \| good	5.463 \| good	0.24 \| good
2025-07-28T08:00:00.000Z	56 \| moderate	11.692 \| good	51.448 \| good	17.853 \| good	0.624 \| good	5.599 \| good	0.241 \| good
2025-07-28T09:00:00.000Z	56 \| moderate	12.097 \| good	54.551 \| good	23.642 \| good	0.646 \| good	5.736 \| good	0.242 \| good
2025-07-28T10:00:00.000Z	52 \| moderate	9.719 \| good	42.983 \| good	22.021 \| good	0.637 \| good	5.964 \| good	0.255 \| good
2025-07-28T11:00:00.000Z	49 \| good	8.625 \| good	37.554 \| good	21.18 \| good	0.628 \| good	6.193 \| good	0.268 \| good
2025-07-28T12:00:00.000Z	44 \| good	8.452 \| good	36.882 \| good	24.688 \| good	0.62 \| good	6.421 \| good	0.281 \| good
2025-07-28T13:00:00.000Z	49 \| good	8.785 \| good	38.258 \| good	33.859 \| good	0.538 \| good	5.524 \| good	0.283 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.222 \| good	49.861 \| good	41.73 \| good	0.456 \| good	4.626 \| good	0.286 \| good
2025-07-28T15:00:00.000Z	52 \| moderate	9.707 \| good	43.126 \| good	42.679 \| good	0.374 \| good	3.729 \| good	0.288 \| good
2025-07-28T16:00:00.000Z	49 \| good	8.605 \| good	38.158 \| good	43.433 \| good	0.359 \| good	3.182 \| good	0.283 \| good
2025-07-28T17:00:00.000Z	49 \| good	9.186 \| good	41.535 \| good	43.159 \| good	0.344 \| good	2.635 \| good	0.278 \| good
2025-07-28T18:00:00.000Z	52 \| moderate	10.187 \| good	45.185 \| good	49.333 \| good	0.329 \| good	2.088 \| good	0.273 \| good
2025-07-28T19:00:00.000Z	52 \| moderate	9.979 \| good	44.218 \| good	51.416 \| good	0.359 \| good	2.307 \| good	0.273 \| good

Current air quality index in Salem, Massachusetts today

Common air pollutants in Salem, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Salem, Massachusetts air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Salem, Massachusetts

Air quality in nearby cities

Peabody, Massachusetts

Marblehead, Massachusetts

Beverly, Massachusetts

Swampscott, Massachusetts

Danvers, Massachusetts

Lynn, Massachusetts

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Salem, Massachusetts get updated?

What time in the past 24 hours saw the poorest air quality in Salem, Massachusetts?

When was air quality in Salem, Massachusetts the best over the past 24 hours?

What is the air quality in Salem, Massachusetts right now?

What pollutant is most frequently found in Salem, Massachusetts?

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

What is the PM2.5 concentration in Salem, Massachusetts right now?

What is the current level of PM10 in Salem, Massachusetts?

What is the current level of carbon monoxide (CO) in Salem, Massachusetts?

What is the current level of sulfur dioxide (SO2) in Salem, Massachusetts?

What is the current level of ozone (O3) in Salem, Massachusetts?

What is the current level of nitrogen dioxide (NO2) in Salem, Massachusetts?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Salem, Massachusetts right now?

What is the current level of PM₁₀ in Salem, Massachusetts?

What is the current level of sulfur dioxide (SO₂) in Salem, Massachusetts?

What is the current level of ozone (O₃) in Salem, Massachusetts?

What is the current level of nitrogen dioxide (NO₂) in Salem, Massachusetts?