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

The current PM10 concentration at Southborough, Massachusetts is 27.433 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Southborough, Massachusetts is 0.695 ppb.

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

The current ozone (O3) concentration at Southborough, Massachusetts is 25.904 ppm.

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

The current nitrogen dioxide (NO2) concentration at Southborough, Massachusetts is 4.578 ppb.

Live air quality index in Southborough, Massachusetts today

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

Stay updated with real-time air quality in Southborough, 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

Southborough, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Southborough, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.43 μg/m³

155

255

425

605+

Ozone (O₃)

25.90 ppb

201

201+

Sulfur Dioxide (SO₂)

0.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.58 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Southborough, Massachusetts

Get Live Pollen Counts

Southborough, Massachusetts

Scroll To Air Quality Map

Track live Southborough, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T18:00:00.000Z	67 \| moderate	17.727 \| fine	67.505 \| fine	57.557 \| fine	0.756 \| good	6.946 \| good	0.319 \| good
2025-06-05T19:00:00.000Z	71 \| moderate	18.135 \| fine	50.836 \| good	61.4 \| fine	0.784 \| good	5.748 \| good	0.271 \| good
2025-06-05T20:00:00.000Z	69 \| moderate	18.703 \| fine	53.714 \| good	59.57 \| fine	0.385 \| good	6.996 \| good	0.288 \| good
2025-06-05T21:00:00.000Z	77 \| moderate	18.203 \| fine	69.762 \| fine	62.508 \| fine	0.593 \| good	5.453 \| good	0.288 \| good
2025-06-05T22:00:00.000Z	74 \| moderate	17.791 \| fine	54.092 \| good	61.711 \| fine	0.558 \| good	6.443 \| good	0.338 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	17.829 \| fine	68.708 \| fine	59.685 \| fine	0.581 \| good	5.806 \| good	0.354 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	18.765 \| fine	78.763 \| fine	60.486 \| fine	0.555 \| good	6.199 \| good	0.369 \| good
2025-06-06T01:00:00.000Z	67 \| moderate	18.241 \| fine	66.052 \| fine	59.961 \| fine	0.528 \| good	6.71 \| good	0.369 \| good
2025-06-06T02:00:00.000Z	87 \| moderate	18.713 \| fine	80.077 \| fine	66.077 \| fine	0.548 \| good	7.291 \| good	0.369 \| good
2025-06-06T03:00:00.000Z	80 \| moderate	19.286 \| fine	73.353 \| fine	63.527 \| fine	0.586 \| good	17.269 \| good	0.403 \| good
2025-06-06T04:00:00.000Z	87 \| moderate	18.569 \| fine	77.444 \| fine	65.913 \| fine	0.6 \| good	9.695 \| good	0.346 \| good
2025-06-06T05:00:00.000Z	71 \| moderate	19.645 \| fine	58.909 \| fine	49.391 \| good	0.732 \| good	12.952 \| good	0.285 \| good
2025-06-06T06:00:00.000Z	62 \| moderate	15.334 \| fine	37.009 \| good	54.73 \| good	0.749 \| good	16.413 \| good	0.223 \| good
2025-06-06T07:00:00.000Z	64 \| moderate	15.757 \| fine	30.763 \| good	48.169 \| good	0.572 \| good	9.418 \| good	0.267 \| good
2025-06-06T08:00:00.000Z	69 \| moderate	18.71 \| fine	63.057 \| fine	38.177 \| good	0.536 \| good	10.75 \| good	0.229 \| good
2025-06-06T09:00:00.000Z	69 \| moderate	18.841 \| fine	39.677 \| good	37.341 \| good	0.609 \| good	5.906 \| good	0.287 \| good
2025-06-06T10:00:00.000Z	67 \| moderate	18.027 \| fine	77.531 \| fine	38.831 \| good	0.742 \| good	4.523 \| good	0.287 \| good
2025-06-06T11:00:00.000Z	67 \| moderate	18.041 \| fine	45.414 \| good	35.142 \| good	0.729 \| good	5.513 \| good	0.318 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.479 \| fine	56.803 \| fine	43.034 \| good	0.735 \| good	5.936 \| good	0.304 \| good
2025-06-06T13:00:00.000Z	67 \| moderate	17.561 \| fine	51.809 \| good	38.839 \| good	0.791 \| good	7.098 \| good	0.253 \| good
2025-06-06T14:00:00.000Z	66 \| moderate	16.78 \| fine	30.272 \| good	37.532 \| good	0.607 \| good	10.938 \| good	0.253 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	14.448 \| fine	46.487 \| good	40.805 \| good	0.465 \| good	6.433 \| good	0.253 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	12.523 \| fine	47.321 \| good	49.294 \| good	0.4 \| good	6.706 \| good	0.253 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.558 \| fine	60.34 \| fine	44.206 \| good	0.329 \| good	5.874 \| good	0.236 \| good
2025-06-06T18:00:00.000Z	58 \| moderate	12.831 \| fine	45.027 \| good	48.852 \| good	0.485 \| good	6.568 \| good	0.253 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.865 \| fine	64.267 \| fine	52.407 \| good	0.398 \| good	7.986 \| good	0.323 \| good
2025-06-06T20:00:00.000Z	64 \| moderate	16.31 \| fine	49.647 \| good	57.49 \| fine	0.554 \| good	5.573 \| good	0.271 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	12.968 \| fine	38.632 \| good	57.236 \| fine	0.754 \| good	6.376 \| good	0.319 \| good
2025-06-06T22:00:00.000Z	64 \| moderate	15.719 \| fine	46.587 \| good	51.961 \| good	0.603 \| good	9.302 \| good	0.304 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.884 \| fine	45.385 \| good	39.912 \| good	0.894 \| good	8.386 \| good	0.303 \| good
2025-06-07T00:00:00.000Z	62 \| moderate	15.033 \| fine	65.902 \| fine	40.665 \| good	0.812 \| good	6.893 \| good	0.32 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.667 \| fine	37.725 \| good	30.432 \| good	0.395 \| good	5.494 \| good	0.303 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.37 \| fine	25.052 \| good	38.956 \| good	0.719 \| good	5.674 \| good	0.304 \| good
2025-06-07T03:00:00.000Z	60 \| moderate	14.026 \| fine	30.946 \| good	36.03 \| good	0.812 \| good	5.887 \| good	0.255 \| good
2025-06-07T04:00:00.000Z	89 \| moderate	17.282 \| fine	131.849 \| fine	30.962 \| good	0.823 \| good	4.589 \| good	0.228 \| good
2025-06-07T05:00:00.000Z	60 \| moderate	10.634 \| good	74.131 \| fine	33.07 \| good	1.012 \| good	5.308 \| good	0.15 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.83 \| good	32.826 \| good	37.253 \| good	0.993 \| good	6.839 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.997 \| good	27.433 \| good	25.904 \| good	0.695 \| good	4.578 \| good	0.21 \| good
2025-06-07T08:00:00.000Z	66 \| moderate	16.917 \| fine	52.053 \| good	28.353 \| good	0.749 \| good	4.916 \| good	0.21 \| good
2025-06-07T09:00:00.000Z	64 \| moderate	16.33 \| fine	61.768 \| fine	21.636 \| good	0.773 \| good	4.867 \| good	0.255 \| good
2025-06-07T10:00:00.000Z	64 \| moderate	16.326 \| fine	39.404 \| good	21.21 \| good	0.781 \| good	6.77 \| good	0.22 \| good
2025-06-07T11:00:00.000Z	58 \| moderate	13.116 \| fine	26.274 \| good	20.545 \| good	0.743 \| good	4.46 \| good	0.2 \| good
2025-06-07T12:00:00.000Z	58 \| moderate	12.807 \| fine	49.187 \| good	20.069 \| good	0.793 \| good	4.214 \| good	0.2 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.057 \| good	35.115 \| good	16.964 \| good	0.801 \| good	5.244 \| good	0.269 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.063 \| good	47.46 \| good	20.629 \| good	0.854 \| good	5.391 \| good	0.269 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.76 \| good	46.848 \| good	19.452 \| good	0.831 \| good	5.578 \| good	0.287 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.113 \| good	35.286 \| good	21.176 \| good	0.831 \| good	6.905 \| good	0.252 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.389 \| good	36.284 \| good	25.688 \| good	0.966 \| good	6.493 \| good	0.252 \| good
2025-06-07T08:00:00.000Z	33 \| good	5.997 \| good	27.433 \| good	25.904 \| good	0.695 \| good	4.578 \| good	0.21 \| good
2025-06-07T09:00:00.000Z	38 \| good	7.472 \| good	33.026 \| good	25.016 \| good	0.161 \| good	2.625 \| good	0.175 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.629 \| good	33.817 \| good	25.119 \| good	0.113 \| good	2.727 \| good	0.154 \| good
2025-06-07T11:00:00.000Z	44 \| good	7.5 \| good	32.925 \| good	25.204 \| good	0.14 \| good	3.027 \| good	0.155 \| good
2025-06-07T12:00:00.000Z	33 \| good	6.278 \| good	27.966 \| good	30.009 \| good	0.167 \| good	3.326 \| good	0.156 \| good
2025-06-07T13:00:00.000Z	38 \| good	6.923 \| good	30.873 \| good	32.286 \| good	0.209 \| good	2.055 \| good	0.146 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	10.484 \| good	46.103 \| good	36.244 \| good	0.241 \| good	2.31 \| good	0.147 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	11.403 \| good	50.163 \| good	39.671 \| good	0.273 \| good	2.564 \| good	0.149 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	12.118 \| fine	54.9 \| good	38.851 \| good	0.337 \| good	1.673 \| good	0.148 \| good
2025-06-07T17:00:00.000Z	58 \| moderate	12.537 \| fine	56.899 \| fine	37.79 \| good	0.366 \| good	1.927 \| good	0.148 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.032 \| fine	59.086 \| fine	37.701 \| good	0.394 \| good	2.182 \| good	0.149 \| good
2025-06-07T19:00:00.000Z	56 \| moderate	12.386 \| fine	55.269 \| fine	42.378 \| good	0.318 \| good	1.899 \| good	0.176 \| good
2025-06-07T20:00:00.000Z	56 \| moderate	12.181 \| fine	55.07 \| fine	45.48 \| good	0.362 \| good	2.057 \| good	0.172 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	12.903 \| fine	57.524 \| fine	43.9 \| good	0.406 \| good	2.215 \| good	0.169 \| good
2025-06-07T22:00:00.000Z	60 \| moderate	14.098 \| fine	63.204 \| fine	42.009 \| good	0.23 \| good	4.458 \| good	0.227 \| good
2025-06-07T23:00:00.000Z	60 \| moderate	14.326 \| fine	64.619 \| fine	40.732 \| good	0.274 \| good	5.323 \| good	0.226 \| good
2025-06-08T00:00:00.000Z	54 \| moderate	10.827 \| good	47.874 \| good	38.741 \| good	0.317 \| good	6.189 \| good	0.226 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.314 \| good	45.796 \| good	34.838 \| good	0.283 \| good	4.47 \| good	0.242 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.404 \| good	45.943 \| good	31.756 \| good	0.354 \| good	5.697 \| good	0.246 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	10.121 \| good	45.001 \| good	29.173 \| good	0.426 \| good	6.925 \| good	0.249 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.132 \| good	49.061 \| good	28.42 \| good	0.386 \| good	3.686 \| good	0.232 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.858 \| fine	58.544 \| fine	25.688 \| good	0.489 \| good	4.778 \| good	0.231 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.746 \| fine	56.785 \| fine	24.609 \| good	0.591 \| good	5.871 \| good	0.229 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	10.622 \| good	47.466 \| good	23.029 \| good	0.435 \| good	2.836 \| good	0.238 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	10.453 \| good	46.614 \| good	21.872 \| good	0.516 \| good	3.531 \| good	0.23 \| good
2025-06-08T09:00:00.000Z	58 \| moderate	12.998 \| fine	58.654 \| fine	17.921 \| good	0.597 \| good	4.225 \| good	0.221 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	13.884 \| fine	62.599 \| fine	18.562 \| good	0.478 \| good	2.52 \| good	0.255 \| good
2025-06-08T11:00:00.000Z	64 \| moderate	15.516 \| fine	68.842 \| fine	20.336 \| good	0.565 \| good	2.952 \| good	0.246 \| good
2025-06-08T12:00:00.000Z	64 \| moderate	16.278 \| fine	72.809 \| fine	25.499 \| good	0.653 \| good	3.383 \| good	0.237 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	14.901 \| fine	66.845 \| fine	31.628 \| good	0.508 \| good	1.864 \| good	0.256 \| good
2025-06-08T14:00:00.000Z	58 \| moderate	13.208 \| fine	59.34 \| fine	34.881 \| good	0.528 \| good	2.095 \| good	0.256 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	12.609 \| fine	57.129 \| fine	37.693 \| good	0.549 \| good	2.326 \| good	0.257 \| good
2025-06-08T16:00:00.000Z	54 \| moderate	10.883 \| good	48.302 \| good	42.412 \| good	0.276 \| good	1.136 \| good	0.271 \| good
2025-06-08T17:00:00.000Z	52 \| moderate	9.952 \| good	44.158 \| good	45.827 \| good	0.282 \| good	1.25 \| good	0.271 \| good
2025-06-08T18:00:00.000Z	44 \| good	8.29 \| good	36.38 \| good	44.51 \| good	0.288 \| good	1.363 \| good	0.271 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	9.653 \| good	43.285 \| good	44.206 \| good	0.273 \| good	1.695 \| good	0.27 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	12.992 \| fine	59.124 \| fine	42.672 \| good	0.294 \| good	1.881 \| good	0.267 \| good
2025-06-08T21:00:00.000Z	62 \| moderate	15.215 \| fine	67.487 \| fine	40.418 \| good	0.315 \| good	2.066 \| good	0.265 \| good
2025-06-08T22:00:00.000Z	64 \| moderate	15.911 \| fine	70.942 \| fine	36.44 \| good	0.501 \| good	4.561 \| good	0.28 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	15.699 \| fine	69.276 \| fine	32.914 \| good	0.544 \| good	4.955 \| good	0.277 \| good
2025-06-09T00:00:00.000Z	58 \| moderate	13.006 \| fine	58.893 \| fine	28.923 \| good	0.587 \| good	5.348 \| good	0.274 \| good
2025-06-09T01:00:00.000Z	58 \| moderate	12.738 \| fine	57.295 \| fine	28.445 \| good	0.789 \| good	6.993 \| good	0.287 \| good
2025-06-09T02:00:00.000Z	56 \| moderate	11.678 \| good	51.277 \| good	29.953 \| good	0.863 \| good	7.929 \| good	0.291 \| good
2025-06-09T03:00:00.000Z	49 \| good	9.313 \| good	41.289 \| good	32.804 \| good	0.937 \| good	8.864 \| good	0.295 \| good
2025-06-09T04:00:00.000Z	49 \| good	8.683 \| good	38.095 \| good	35.301 \| good	0.858 \| good	6.326 \| good	0.283 \| good
2025-06-09T05:00:00.000Z	49 \| good	9 \| good	39.324 \| good	33.345 \| good	0.922 \| good	6.774 \| good	0.284 \| good
2025-06-09T06:00:00.000Z	60 \| moderate	14.069 \| fine	14.593 \| good	34.195 \| good	0.985 \| good	7.23 \| good	0.286 \| good
2025-06-09T07:00:00.000Z	49 \| good	9.11 \| good	40.958 \| good	32.498 \| good	0.836 \| good	4.542 \| good	0.271 \| good
2025-06-09T08:00:00.000Z	49 \| good	9.125 \| good	40.995 \| good	31.173 \| good	0.882 \| good	4.838 \| good	0.272 \| good

Southborough

Get reliable air quality data to drive your business

Southborough, Massachusetts air quality map: Track AQI near you

0.20ppm

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

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Frequently asked questions

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

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

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

The worst air quality in Southborough, Massachusetts in the last 24 hours was observed at 04:00:00 on 2025-06-07.

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

In the last 24 hrs, the best air quality in Southborough, Massachusetts was observed at 07:00:00 on 2025-06-07.

What is the current air quality in Southborough, Massachusetts?

The current air quality in Southborough, Massachusetts is 33, categorized as Good based on real-time data.

What pollutant is the most common in Southborough, Massachusetts?

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

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

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

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

The current PM_2.5 concentration at Southborough, Massachusetts is 5.997 μg/m³.

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

The current PM₁₀ concentration at Southborough, Massachusetts is 27.433 μg/m³.

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

The current carbon monoxide (CO) concentration at Southborough, Massachusetts is 0.21 ppm.

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

The current sulfur dioxide (SO₂) concentration at Southborough, Massachusetts is 0.695 ppb.

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

The current ozone (O₃) concentration at Southborough, Massachusetts is 25.904 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Southborough, Massachusetts is 4.578 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T18:00:00.000Z	67 \| moderate	17.727 \| fine	67.505 \| fine	57.557 \| fine	0.756 \| good	6.946 \| good	0.319 \| good
2025-06-05T19:00:00.000Z	71 \| moderate	18.135 \| fine	50.836 \| good	61.4 \| fine	0.784 \| good	5.748 \| good	0.271 \| good
2025-06-05T20:00:00.000Z	69 \| moderate	18.703 \| fine	53.714 \| good	59.57 \| fine	0.385 \| good	6.996 \| good	0.288 \| good
2025-06-05T21:00:00.000Z	77 \| moderate	18.203 \| fine	69.762 \| fine	62.508 \| fine	0.593 \| good	5.453 \| good	0.288 \| good
2025-06-05T22:00:00.000Z	74 \| moderate	17.791 \| fine	54.092 \| good	61.711 \| fine	0.558 \| good	6.443 \| good	0.338 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	17.829 \| fine	68.708 \| fine	59.685 \| fine	0.581 \| good	5.806 \| good	0.354 \| good
2025-06-06T00:00:00.000Z	69 \| moderate	18.765 \| fine	78.763 \| fine	60.486 \| fine	0.555 \| good	6.199 \| good	0.369 \| good
2025-06-06T01:00:00.000Z	67 \| moderate	18.241 \| fine	66.052 \| fine	59.961 \| fine	0.528 \| good	6.71 \| good	0.369 \| good
2025-06-06T02:00:00.000Z	87 \| moderate	18.713 \| fine	80.077 \| fine	66.077 \| fine	0.548 \| good	7.291 \| good	0.369 \| good
2025-06-06T03:00:00.000Z	80 \| moderate	19.286 \| fine	73.353 \| fine	63.527 \| fine	0.586 \| good	17.269 \| good	0.403 \| good
2025-06-06T04:00:00.000Z	87 \| moderate	18.569 \| fine	77.444 \| fine	65.913 \| fine	0.6 \| good	9.695 \| good	0.346 \| good
2025-06-06T05:00:00.000Z	71 \| moderate	19.645 \| fine	58.909 \| fine	49.391 \| good	0.732 \| good	12.952 \| good	0.285 \| good
2025-06-06T06:00:00.000Z	62 \| moderate	15.334 \| fine	37.009 \| good	54.73 \| good	0.749 \| good	16.413 \| good	0.223 \| good
2025-06-06T07:00:00.000Z	64 \| moderate	15.757 \| fine	30.763 \| good	48.169 \| good	0.572 \| good	9.418 \| good	0.267 \| good
2025-06-06T08:00:00.000Z	69 \| moderate	18.71 \| fine	63.057 \| fine	38.177 \| good	0.536 \| good	10.75 \| good	0.229 \| good
2025-06-06T09:00:00.000Z	69 \| moderate	18.841 \| fine	39.677 \| good	37.341 \| good	0.609 \| good	5.906 \| good	0.287 \| good
2025-06-06T10:00:00.000Z	67 \| moderate	18.027 \| fine	77.531 \| fine	38.831 \| good	0.742 \| good	4.523 \| good	0.287 \| good
2025-06-06T11:00:00.000Z	67 \| moderate	18.041 \| fine	45.414 \| good	35.142 \| good	0.729 \| good	5.513 \| good	0.318 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.479 \| fine	56.803 \| fine	43.034 \| good	0.735 \| good	5.936 \| good	0.304 \| good
2025-06-06T13:00:00.000Z	67 \| moderate	17.561 \| fine	51.809 \| good	38.839 \| good	0.791 \| good	7.098 \| good	0.253 \| good
2025-06-06T14:00:00.000Z	66 \| moderate	16.78 \| fine	30.272 \| good	37.532 \| good	0.607 \| good	10.938 \| good	0.253 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	14.448 \| fine	46.487 \| good	40.805 \| good	0.465 \| good	6.433 \| good	0.253 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	12.523 \| fine	47.321 \| good	49.294 \| good	0.4 \| good	6.706 \| good	0.253 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.558 \| fine	60.34 \| fine	44.206 \| good	0.329 \| good	5.874 \| good	0.236 \| good
2025-06-06T18:00:00.000Z	58 \| moderate	12.831 \| fine	45.027 \| good	48.852 \| good	0.485 \| good	6.568 \| good	0.253 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.865 \| fine	64.267 \| fine	52.407 \| good	0.398 \| good	7.986 \| good	0.323 \| good
2025-06-06T20:00:00.000Z	64 \| moderate	16.31 \| fine	49.647 \| good	57.49 \| fine	0.554 \| good	5.573 \| good	0.271 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	12.968 \| fine	38.632 \| good	57.236 \| fine	0.754 \| good	6.376 \| good	0.319 \| good
2025-06-06T22:00:00.000Z	64 \| moderate	15.719 \| fine	46.587 \| good	51.961 \| good	0.603 \| good	9.302 \| good	0.304 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.884 \| fine	45.385 \| good	39.912 \| good	0.894 \| good	8.386 \| good	0.303 \| good
2025-06-07T00:00:00.000Z	62 \| moderate	15.033 \| fine	65.902 \| fine	40.665 \| good	0.812 \| good	6.893 \| good	0.32 \| good
2025-06-07T01:00:00.000Z	62 \| moderate	14.667 \| fine	37.725 \| good	30.432 \| good	0.395 \| good	5.494 \| good	0.303 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	13.37 \| fine	25.052 \| good	38.956 \| good	0.719 \| good	5.674 \| good	0.304 \| good
2025-06-07T03:00:00.000Z	60 \| moderate	14.026 \| fine	30.946 \| good	36.03 \| good	0.812 \| good	5.887 \| good	0.255 \| good
2025-06-07T04:00:00.000Z	89 \| moderate	17.282 \| fine	131.849 \| fine	30.962 \| good	0.823 \| good	4.589 \| good	0.228 \| good
2025-06-07T05:00:00.000Z	60 \| moderate	10.634 \| good	74.131 \| fine	33.07 \| good	1.012 \| good	5.308 \| good	0.15 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.83 \| good	32.826 \| good	37.253 \| good	0.993 \| good	6.839 \| good	0.15 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.997 \| good	27.433 \| good	25.904 \| good	0.695 \| good	4.578 \| good	0.21 \| good
2025-06-07T08:00:00.000Z	66 \| moderate	16.917 \| fine	52.053 \| good	28.353 \| good	0.749 \| good	4.916 \| good	0.21 \| good
2025-06-07T09:00:00.000Z	64 \| moderate	16.33 \| fine	61.768 \| fine	21.636 \| good	0.773 \| good	4.867 \| good	0.255 \| good
2025-06-07T10:00:00.000Z	64 \| moderate	16.326 \| fine	39.404 \| good	21.21 \| good	0.781 \| good	6.77 \| good	0.22 \| good
2025-06-07T11:00:00.000Z	58 \| moderate	13.116 \| fine	26.274 \| good	20.545 \| good	0.743 \| good	4.46 \| good	0.2 \| good
2025-06-07T12:00:00.000Z	58 \| moderate	12.807 \| fine	49.187 \| good	20.069 \| good	0.793 \| good	4.214 \| good	0.2 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.057 \| good	35.115 \| good	16.964 \| good	0.801 \| good	5.244 \| good	0.269 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.063 \| good	47.46 \| good	20.629 \| good	0.854 \| good	5.391 \| good	0.269 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.76 \| good	46.848 \| good	19.452 \| good	0.831 \| good	5.578 \| good	0.287 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.113 \| good	35.286 \| good	21.176 \| good	0.831 \| good	6.905 \| good	0.252 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.389 \| good	36.284 \| good	25.688 \| good	0.966 \| good	6.493 \| good	0.252 \| good
2025-06-07T08:00:00.000Z	33 \| good	5.997 \| good	27.433 \| good	25.904 \| good	0.695 \| good	4.578 \| good	0.21 \| good
2025-06-07T09:00:00.000Z	38 \| good	7.472 \| good	33.026 \| good	25.016 \| good	0.161 \| good	2.625 \| good	0.175 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.629 \| good	33.817 \| good	25.119 \| good	0.113 \| good	2.727 \| good	0.154 \| good
2025-06-07T11:00:00.000Z	44 \| good	7.5 \| good	32.925 \| good	25.204 \| good	0.14 \| good	3.027 \| good	0.155 \| good
2025-06-07T12:00:00.000Z	33 \| good	6.278 \| good	27.966 \| good	30.009 \| good	0.167 \| good	3.326 \| good	0.156 \| good
2025-06-07T13:00:00.000Z	38 \| good	6.923 \| good	30.873 \| good	32.286 \| good	0.209 \| good	2.055 \| good	0.146 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	10.484 \| good	46.103 \| good	36.244 \| good	0.241 \| good	2.31 \| good	0.147 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	11.403 \| good	50.163 \| good	39.671 \| good	0.273 \| good	2.564 \| good	0.149 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	12.118 \| fine	54.9 \| good	38.851 \| good	0.337 \| good	1.673 \| good	0.148 \| good
2025-06-07T17:00:00.000Z	58 \| moderate	12.537 \| fine	56.899 \| fine	37.79 \| good	0.366 \| good	1.927 \| good	0.148 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.032 \| fine	59.086 \| fine	37.701 \| good	0.394 \| good	2.182 \| good	0.149 \| good
2025-06-07T19:00:00.000Z	56 \| moderate	12.386 \| fine	55.269 \| fine	42.378 \| good	0.318 \| good	1.899 \| good	0.176 \| good
2025-06-07T20:00:00.000Z	56 \| moderate	12.181 \| fine	55.07 \| fine	45.48 \| good	0.362 \| good	2.057 \| good	0.172 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	12.903 \| fine	57.524 \| fine	43.9 \| good	0.406 \| good	2.215 \| good	0.169 \| good
2025-06-07T22:00:00.000Z	60 \| moderate	14.098 \| fine	63.204 \| fine	42.009 \| good	0.23 \| good	4.458 \| good	0.227 \| good
2025-06-07T23:00:00.000Z	60 \| moderate	14.326 \| fine	64.619 \| fine	40.732 \| good	0.274 \| good	5.323 \| good	0.226 \| good
2025-06-08T00:00:00.000Z	54 \| moderate	10.827 \| good	47.874 \| good	38.741 \| good	0.317 \| good	6.189 \| good	0.226 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.314 \| good	45.796 \| good	34.838 \| good	0.283 \| good	4.47 \| good	0.242 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.404 \| good	45.943 \| good	31.756 \| good	0.354 \| good	5.697 \| good	0.246 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	10.121 \| good	45.001 \| good	29.173 \| good	0.426 \| good	6.925 \| good	0.249 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.132 \| good	49.061 \| good	28.42 \| good	0.386 \| good	3.686 \| good	0.232 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.858 \| fine	58.544 \| fine	25.688 \| good	0.489 \| good	4.778 \| good	0.231 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.746 \| fine	56.785 \| fine	24.609 \| good	0.591 \| good	5.871 \| good	0.229 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	10.622 \| good	47.466 \| good	23.029 \| good	0.435 \| good	2.836 \| good	0.238 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	10.453 \| good	46.614 \| good	21.872 \| good	0.516 \| good	3.531 \| good	0.23 \| good
2025-06-08T09:00:00.000Z	58 \| moderate	12.998 \| fine	58.654 \| fine	17.921 \| good	0.597 \| good	4.225 \| good	0.221 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	13.884 \| fine	62.599 \| fine	18.562 \| good	0.478 \| good	2.52 \| good	0.255 \| good
2025-06-08T11:00:00.000Z	64 \| moderate	15.516 \| fine	68.842 \| fine	20.336 \| good	0.565 \| good	2.952 \| good	0.246 \| good
2025-06-08T12:00:00.000Z	64 \| moderate	16.278 \| fine	72.809 \| fine	25.499 \| good	0.653 \| good	3.383 \| good	0.237 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	14.901 \| fine	66.845 \| fine	31.628 \| good	0.508 \| good	1.864 \| good	0.256 \| good
2025-06-08T14:00:00.000Z	58 \| moderate	13.208 \| fine	59.34 \| fine	34.881 \| good	0.528 \| good	2.095 \| good	0.256 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	12.609 \| fine	57.129 \| fine	37.693 \| good	0.549 \| good	2.326 \| good	0.257 \| good
2025-06-08T16:00:00.000Z	54 \| moderate	10.883 \| good	48.302 \| good	42.412 \| good	0.276 \| good	1.136 \| good	0.271 \| good
2025-06-08T17:00:00.000Z	52 \| moderate	9.952 \| good	44.158 \| good	45.827 \| good	0.282 \| good	1.25 \| good	0.271 \| good
2025-06-08T18:00:00.000Z	44 \| good	8.29 \| good	36.38 \| good	44.51 \| good	0.288 \| good	1.363 \| good	0.271 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	9.653 \| good	43.285 \| good	44.206 \| good	0.273 \| good	1.695 \| good	0.27 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	12.992 \| fine	59.124 \| fine	42.672 \| good	0.294 \| good	1.881 \| good	0.267 \| good
2025-06-08T21:00:00.000Z	62 \| moderate	15.215 \| fine	67.487 \| fine	40.418 \| good	0.315 \| good	2.066 \| good	0.265 \| good
2025-06-08T22:00:00.000Z	64 \| moderate	15.911 \| fine	70.942 \| fine	36.44 \| good	0.501 \| good	4.561 \| good	0.28 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	15.699 \| fine	69.276 \| fine	32.914 \| good	0.544 \| good	4.955 \| good	0.277 \| good
2025-06-09T00:00:00.000Z	58 \| moderate	13.006 \| fine	58.893 \| fine	28.923 \| good	0.587 \| good	5.348 \| good	0.274 \| good
2025-06-09T01:00:00.000Z	58 \| moderate	12.738 \| fine	57.295 \| fine	28.445 \| good	0.789 \| good	6.993 \| good	0.287 \| good
2025-06-09T02:00:00.000Z	56 \| moderate	11.678 \| good	51.277 \| good	29.953 \| good	0.863 \| good	7.929 \| good	0.291 \| good
2025-06-09T03:00:00.000Z	49 \| good	9.313 \| good	41.289 \| good	32.804 \| good	0.937 \| good	8.864 \| good	0.295 \| good
2025-06-09T04:00:00.000Z	49 \| good	8.683 \| good	38.095 \| good	35.301 \| good	0.858 \| good	6.326 \| good	0.283 \| good
2025-06-09T05:00:00.000Z	49 \| good	9 \| good	39.324 \| good	33.345 \| good	0.922 \| good	6.774 \| good	0.284 \| good
2025-06-09T06:00:00.000Z	60 \| moderate	14.069 \| fine	14.593 \| good	34.195 \| good	0.985 \| good	7.23 \| good	0.286 \| good
2025-06-09T07:00:00.000Z	49 \| good	9.11 \| good	40.958 \| good	32.498 \| good	0.836 \| good	4.542 \| good	0.271 \| good
2025-06-09T08:00:00.000Z	49 \| good	9.125 \| good	40.995 \| good	31.173 \| good	0.882 \| good	4.838 \| good	0.272 \| good

Live air quality index in Southborough, Massachusetts today

Major air pollutants in Southborough, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Southborough, Massachusetts air quality map: Track AQI near you

Air quality in nearby cities

Marlborough, Massachusetts

Ashland, Massachusetts

Westborough, Massachusetts

Hopkinton, Massachusetts

Framingham, Massachusetts

Northborough, Massachusetts

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

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

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

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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 Southborough, Massachusetts?

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