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

The current PM10 concentration at Southborough, Massachusetts is 46.04 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Southborough, Massachusetts is 0.267 ppb.

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

The current ozone (O3) concentration at Southborough, Massachusetts is 30.751 ppm.

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

The current nitrogen dioxide (NO2) concentration at Southborough, Massachusetts is 7.859 ppb.

Southborough, Massachusetts live air quality index now

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)

Moderate

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)

20.81 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

58.46 μg/m³

155

255

425

605+

Ozone (O₃)

23.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2025-07-30T05:00:00.000Z	54 \| moderate	10.54 \| good	37.456 \| good	29.923 \| good	0.359 \| good	16.672 \| good	0.34 \| good
2025-07-30T06:00:00.000Z	52 \| moderate	9.764 \| good	57.567 \| fine	20.201 \| good	0.277 \| good	16.033 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.244 \| good	44.487 \| good	30.181 \| good	0.383 \| good	9.753 \| good	0.319 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.911 \| good	47.159 \| good	25.476 \| good	0.435 \| good	9.888 \| good	0.301 \| good
2025-07-30T09:00:00.000Z	44 \| good	8.415 \| good	27.736 \| good	15.085 \| good	0.439 \| good	13.177 \| good	0.232 \| good
2025-07-30T10:00:00.000Z	49 \| good	9.255 \| good	34.452 \| good	20.444 \| good	0.308 \| good	13.142 \| good	0.264 \| good
2025-07-30T11:00:00.000Z	49 \| good	8.546 \| good	40.376 \| good	12.908 \| good	0.322 \| good	10.724 \| good	0.314 \| good
2025-07-30T12:00:00.000Z	49 \| good	9.114 \| good	18.019 \| good	20.532 \| good	0.414 \| good	13.332 \| good	0.365 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.623 \| good	42.573 \| good	20.538 \| good	0.316 \| good	10.196 \| good	0.318 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.246 \| good	40.904 \| good	27.288 \| good	0.306 \| good	7.786 \| good	0.267 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.968 \| good	36.565 \| good	29.685 \| good	0.299 \| good	8.213 \| good	0.281 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	10.062 \| good	43.57 \| good	33.879 \| good	0.314 \| good	6.617 \| good	0.264 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.478 \| good	42.504 \| good	42.013 \| good	0.411 \| good	5.092 \| good	0.281 \| good
2025-07-30T18:00:00.000Z	49 \| good	8.822 \| good	25.438 \| good	45.217 \| good	0.405 \| good	3.919 \| good	0.235 \| good
2025-07-30T19:00:00.000Z	49 \| good	8.992 \| good	33.706 \| good	50.311 \| good	0.394 \| good	5.313 \| good	0.249 \| good
2025-07-30T20:00:00.000Z	49 \| good	8.549 \| good	41.18 \| good	46.858 \| good	0.33 \| good	6.439 \| good	0.249 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	9.88 \| good	41.484 \| good	39.828 \| good	0.363 \| good	7.274 \| good	0.282 \| good
2025-07-30T22:00:00.000Z	49 \| good	9.063 \| good	27.662 \| good	44.17 \| good	0.328 \| good	4.434 \| good	0.316 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.007 \| good	35.978 \| good	37.634 \| good	0.444 \| good	7.824 \| good	0.281 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.131 \| good	23.524 \| good	46.535 \| good	0.268 \| good	6.602 \| good	0.281 \| good
2025-07-31T01:00:00.000Z	49 \| good	9.099 \| good	35.299 \| good	40.398 \| good	0.316 \| good	5.271 \| good	0.314 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.583 \| good	44.076 \| good	40.72 \| good	0.33 \| good	7.96 \| good	0.282 \| good
2025-07-31T03:00:00.000Z	49 \| good	8.942 \| good	26.146 \| good	34.097 \| good	0.26 \| good	7.195 \| good	0.265 \| good
2025-07-31T04:00:00.000Z	49 \| good	9.37 \| good	46.04 \| good	30.751 \| good	0.267 \| good	7.859 \| good	0.298 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.032 \| good	33.258 \| good	25.673 \| good	0.426 \| good	10.153 \| good	0.297 \| good
2025-07-31T06:00:00.000Z	58 \| moderate	10.793 \| good	69.995 \| fine	25.729 \| good	0.922 \| good	8.542 \| good	0.313 \| good
2025-07-31T07:00:00.000Z	56 \| moderate	12.197 \| fine	64.069 \| fine	28.064 \| good	0.25 \| good	10.059 \| good	0.238 \| good
2025-07-31T08:00:00.000Z	49 \| good	9.15 \| good	38.894 \| good	18.843 \| good	0.35 \| good	11.374 \| good	0.238 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	9.508 \| good	36.349 \| good	18.516 \| good	0.516 \| good	11.633 \| good	0.215 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.235 \| good	32.641 \| good	21.776 \| good	0.604 \| good	4.993 \| good	0.247 \| good
2025-07-31T11:00:00.000Z	60 \| moderate	13.69 \| fine	57.53 \| fine	22.192 \| good	0.51 \| good	8.2 \| good	0.315 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	10.856 \| good	37.036 \| good	18.933 \| good	0.728 \| good	7.778 \| good	0.283 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.322 \| fine	29.938 \| good	24.69 \| good	0.546 \| good	6.962 \| good	0.3 \| good
2025-07-31T14:00:00.000Z	66 \| moderate	16.783 \| fine	72.352 \| fine	26.291 \| good	0.22 \| good	6.029 \| good	0.334 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	18.737 \| fine	50.419 \| good	32.258 \| good	0.209 \| good	7.155 \| good	0.351 \| good
2025-07-31T16:00:00.000Z	73 \| moderate	18.689 \| fine	99.743 \| fine	30.827 \| good	0.276 \| good	6.052 \| good	0.351 \| good
2025-07-31T17:00:00.000Z	81 \| moderate	25.366 \| fine	31.838 \| good	25.091 \| good	0.247 \| good	6.859 \| good	0.334 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	28.036 \| fine	86.565 \| fine	23.251 \| good	0.24 \| good	6.005 \| good	0.334 \| good
2025-07-31T19:00:00.000Z	90 \| moderate	29.771 \| fine	61.813 \| fine	23.552 \| good	0.247 \| good	5.042 \| good	0.367 \| good
2025-07-31T20:00:00.000Z	90 \| moderate	29.559 \| fine	39.511 \| good	27.391 \| good	0.267 \| good	4.174 \| good	0.35 \| good
2025-07-31T21:00:00.000Z	92 \| moderate	31.212 \| fine	62.301 \| fine	23.51 \| good	0.233 \| good	4.219 \| good	0.334 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.175 \| fine	80.484 \| fine	23.062 \| good	0.236 \| good	4.977 \| good	0.334 \| good
2025-07-31T23:00:00.000Z	64 \| moderate	15.53 \| fine	68.949 \| fine	18.659 \| good	0.693 \| good	5.242 \| good	0.282 \| good
2025-08-01T00:00:00.000Z	81 \| moderate	24.997 \| fine	33.097 \| good	25.166 \| good	0.237 \| good	6.68 \| good	0.334 \| good
2025-08-01T01:00:00.000Z	81 \| moderate	24.922 \| fine	69.243 \| fine	22.413 \| good	0.237 \| good	5.165 \| good	0.316 \| good
2025-08-01T02:00:00.000Z	79 \| moderate	24.185 \| fine	91.82 \| fine	22.678 \| good	0.222 \| good	4.776 \| good	0.283 \| good
2025-08-01T03:00:00.000Z	73 \| moderate	20.808 \| fine	58.461 \| fine	23.302 \| good	0.293 \| good	4.405 \| good	0.283 \| good
2025-08-01T04:00:00.000Z	73 \| moderate	20.808 \| fine	58.461 \| fine	23.302 \| good	0.293 \| good	4.405 \| good	0.283 \| good
2025-07-31T05:00:00.000Z	67 \| moderate	17.582 \| fine	77.487 \| fine	25.489 \| good	0.474 \| good	3.511 \| good	0.223 \| good
2025-07-31T06:00:00.000Z	69 \| moderate	19.138 \| fine	85.057 \| fine	20.944 \| good	0.429 \| good	2.674 \| good	0.222 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	20.462 \| fine	89.454 \| fine	16.971 \| good	0.481 \| good	2.535 \| good	0.233 \| good
2025-07-31T08:00:00.000Z	71 \| moderate	20.453 \| fine	89.432 \| fine	14.517 \| good	0.534 \| good	2.397 \| good	0.244 \| good
2025-07-31T09:00:00.000Z	81 \| moderate	24.733 \| fine	107.545 \| fine	13.339 \| good	0.587 \| good	2.258 \| good	0.255 \| good
2025-07-31T10:00:00.000Z	86 \| moderate	28.265 \| fine	122.987 \| fine	14.148 \| good	0.649 \| good	2.626 \| good	0.262 \| good
2025-07-31T11:00:00.000Z	94 \| moderate	32.077 \| fine	138.992 \| fine	18.904 \| good	0.711 \| good	2.994 \| good	0.269 \| good
2025-07-31T12:00:00.000Z	88 \| moderate	28.702 \| fine	124.847 \| fine	27.83 \| good	0.774 \| good	3.361 \| good	0.276 \| good
2025-07-31T13:00:00.000Z	82 \| moderate	26.13 \| fine	113.249 \| fine	31.761 \| good	0.783 \| good	2.989 \| good	0.273 \| good
2025-07-31T14:00:00.000Z	81 \| moderate	24.586 \| fine	106.894 \| fine	33.221 \| good	0.792 \| good	2.617 \| good	0.271 \| good
2025-07-31T15:00:00.000Z	75 \| moderate	21.845 \| fine	96.496 \| fine	36.376 \| good	0.801 \| good	2.245 \| good	0.268 \| good
2025-07-31T16:00:00.000Z	71 \| moderate	19.91 \| fine	86.942 \| fine	36.915 \| good	0.748 \| good	1.987 \| good	0.263 \| good
2025-07-31T17:00:00.000Z	69 \| moderate	18.974 \| fine	84.616 \| fine	31.936 \| good	0.695 \| good	1.729 \| good	0.258 \| good
2025-07-31T18:00:00.000Z	67 \| moderate	18.027 \| fine	79.202 \| fine	29.203 \| good	0.643 \| good	1.47 \| good	0.253 \| good
2025-07-31T19:00:00.000Z	67 \| moderate	18.31 \| fine	81.077 \| fine	27.231 \| good	0.663 \| good	1.765 \| good	0.252 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.027 \| fine	83.461 \| fine	25.73 \| good	0.684 \| good	2.06 \| good	0.252 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	17.78 \| fine	78.936 \| fine	23.558 \| good	0.705 \| good	2.355 \| good	0.252 \| good
2025-07-31T22:00:00.000Z	64 \| moderate	16.112 \| fine	71.171 \| fine	21.788 \| good	0.773 \| good	4.36 \| good	0.265 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.922 \| fine	58.793 \| fine	22.03 \| good	0.841 \| good	6.366 \| good	0.278 \| good
2025-08-01T00:00:00.000Z	58 \| moderate	12.968 \| fine	58.703 \| fine	22.42 \| good	0.909 \| good	8.371 \| good	0.291 \| good
2025-08-01T01:00:00.000Z	56 \| moderate	11.935 \| good	52.6 \| good	23.177 \| good	0.989 \| good	8.867 \| good	0.293 \| good
2025-08-01T02:00:00.000Z	56 \| moderate	12.401 \| fine	55.381 \| fine	23.813 \| good	1.069 \| good	9.362 \| good	0.296 \| good
2025-08-01T03:00:00.000Z	58 \| moderate	12.652 \| fine	57.063 \| fine	21.448 \| good	1.149 \| good	9.857 \| good	0.298 \| good
2025-08-01T04:00:00.000Z	58 \| moderate	12.728 \| fine	57.133 \| fine	20.51 \| good	1.237 \| good	9.342 \| good	0.295 \| good
2025-08-01T05:00:00.000Z	56 \| moderate	11.824 \| good	52.365 \| good	19.959 \| good	1.324 \| good	8.827 \| good	0.292 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.815 \| good	47.981 \| good	19.424 \| good	1.412 \| good	8.312 \| good	0.289 \| good
2025-08-01T07:00:00.000Z	49 \| good	8.699 \| good	38.048 \| good	20.313 \| good	1.341 \| good	7.036 \| good	0.275 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.394 \| good	36.966 \| good	20.632 \| good	1.27 \| good	5.759 \| good	0.261 \| good
2025-08-01T09:00:00.000Z	44 \| good	7.53 \| good	33.116 \| good	19.553 \| good	1.199 \| good	4.483 \| good	0.246 \| good
2025-08-01T10:00:00.000Z	38 \| good	7.36 \| good	32.171 \| good	19.471 \| good	1.064 \| good	4.323 \| good	0.237 \| good
2025-08-01T11:00:00.000Z	44 \| good	7.772 \| good	34.105 \| good	19.479 \| good	0.929 \| good	4.163 \| good	0.227 \| good
2025-08-01T12:00:00.000Z	44 \| good	8.42 \| good	37.039 \| good	19.563 \| good	0.794 \| good	4.004 \| good	0.218 \| good
2025-08-01T13:00:00.000Z	38 \| good	7.166 \| good	31.98 \| good	21.566 \| good	0.778 \| good	4.41 \| good	0.216 \| good
2025-08-01T14:00:00.000Z	33 \| good	6.005 \| good	26.891 \| good	22.26 \| good	0.761 \| good	4.816 \| good	0.214 \| good
2025-08-01T15:00:00.000Z	27 \| good	5.414 \| good	23.21 \| good	24.915 \| good	0.745 \| good	5.223 \| good	0.212 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.383 \| good	23.21 \| good	23.626 \| good	0.735 \| good	4.631 \| good	0.206 \| good
2025-08-01T17:00:00.000Z	33 \| good	6.212 \| good	27.176 \| good	23.579 \| good	0.725 \| good	4.04 \| good	0.201 \| good
2025-08-01T18:00:00.000Z	38 \| good	6.947 \| good	30.857 \| good	24.917 \| good	0.715 \| good	3.448 \| good	0.195 \| good
2025-08-01T19:00:00.000Z	33 \| good	5.735 \| good	24.891 \| good	26.682 \| good	0.676 \| good	3.302 \| good	0.195 \| good
2025-08-01T20:00:00.000Z	33 \| good	5.655 \| good	24.111 \| good	27.424 \| good	0.637 \| good	3.157 \| good	0.194 \| good
2025-08-01T21:00:00.000Z	33 \| good	5.747 \| good	24.858 \| good	27.302 \| good	0.598 \| good	3.011 \| good	0.194 \| good
2025-08-01T22:00:00.000Z	33 \| good	6.165 \| good	27.665 \| good	25.337 \| good	0.637 \| good	3.844 \| good	0.202 \| good
2025-08-01T23:00:00.000Z	44 \| good	7.516 \| good	32.836 \| good	20.744 \| good	0.676 \| good	4.677 \| good	0.21 \| good
2025-08-02T00:00:00.000Z	66 \| moderate	16.73 \| fine	17.538 \| good	38.967 \| good	0.715 \| good	5.514 \| good	0.218 \| good
2025-08-02T01:00:00.000Z	54 \| moderate	10.522 \| good	46.857 \| good	13.322 \| good	0.793 \| good	6.406 \| good	0.225 \| good
2025-08-02T02:00:00.000Z	54 \| moderate	10.733 \| good	47.873 \| good	13.619 \| good	0.871 \| good	7.303 \| good	0.232 \| good
2025-08-02T03:00:00.000Z	54 \| moderate	10.893 \| good	48.08 \| good	13.783 \| good	0.949 \| good	8.199 \| good	0.24 \| good
2025-08-02T04:00:00.000Z	56 \| moderate	11.605 \| good	51.029 \| good	11.696 \| good	0.954 \| good	7.847 \| good	0.239 \| good

Southborough

Get reliable air quality data to drive your business

Southborough, Massachusetts air quality map: Track AQI near you

0.26ppm

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 02:00:00 on 2025-07-31.

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 09:00:00 on 2025-07-30.

What is the current air quality in Southborough, Massachusetts?

The current air quality in Southborough, Massachusetts is 49, 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 9.37 μg/m³.

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

The current PM₁₀ concentration at Southborough, Massachusetts is 46.04 μg/m³.

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

The current carbon monoxide (CO) concentration at Southborough, Massachusetts is 0.298 ppm.

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

The current sulfur dioxide (SO₂) concentration at Southborough, Massachusetts is 0.267 ppb.

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

The current ozone (O₃) concentration at Southborough, Massachusetts is 30.751 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Southborough, Massachusetts is 7.859 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T05:00:00.000Z	54 \| moderate	10.54 \| good	37.456 \| good	29.923 \| good	0.359 \| good	16.672 \| good	0.34 \| good
2025-07-30T06:00:00.000Z	52 \| moderate	9.764 \| good	57.567 \| fine	20.201 \| good	0.277 \| good	16.033 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	49 \| good	9.244 \| good	44.487 \| good	30.181 \| good	0.383 \| good	9.753 \| good	0.319 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.911 \| good	47.159 \| good	25.476 \| good	0.435 \| good	9.888 \| good	0.301 \| good
2025-07-30T09:00:00.000Z	44 \| good	8.415 \| good	27.736 \| good	15.085 \| good	0.439 \| good	13.177 \| good	0.232 \| good
2025-07-30T10:00:00.000Z	49 \| good	9.255 \| good	34.452 \| good	20.444 \| good	0.308 \| good	13.142 \| good	0.264 \| good
2025-07-30T11:00:00.000Z	49 \| good	8.546 \| good	40.376 \| good	12.908 \| good	0.322 \| good	10.724 \| good	0.314 \| good
2025-07-30T12:00:00.000Z	49 \| good	9.114 \| good	18.019 \| good	20.532 \| good	0.414 \| good	13.332 \| good	0.365 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.623 \| good	42.573 \| good	20.538 \| good	0.316 \| good	10.196 \| good	0.318 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.246 \| good	40.904 \| good	27.288 \| good	0.306 \| good	7.786 \| good	0.267 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.968 \| good	36.565 \| good	29.685 \| good	0.299 \| good	8.213 \| good	0.281 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	10.062 \| good	43.57 \| good	33.879 \| good	0.314 \| good	6.617 \| good	0.264 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	10.478 \| good	42.504 \| good	42.013 \| good	0.411 \| good	5.092 \| good	0.281 \| good
2025-07-30T18:00:00.000Z	49 \| good	8.822 \| good	25.438 \| good	45.217 \| good	0.405 \| good	3.919 \| good	0.235 \| good
2025-07-30T19:00:00.000Z	49 \| good	8.992 \| good	33.706 \| good	50.311 \| good	0.394 \| good	5.313 \| good	0.249 \| good
2025-07-30T20:00:00.000Z	49 \| good	8.549 \| good	41.18 \| good	46.858 \| good	0.33 \| good	6.439 \| good	0.249 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	9.88 \| good	41.484 \| good	39.828 \| good	0.363 \| good	7.274 \| good	0.282 \| good
2025-07-30T22:00:00.000Z	49 \| good	9.063 \| good	27.662 \| good	44.17 \| good	0.328 \| good	4.434 \| good	0.316 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.007 \| good	35.978 \| good	37.634 \| good	0.444 \| good	7.824 \| good	0.281 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.131 \| good	23.524 \| good	46.535 \| good	0.268 \| good	6.602 \| good	0.281 \| good
2025-07-31T01:00:00.000Z	49 \| good	9.099 \| good	35.299 \| good	40.398 \| good	0.316 \| good	5.271 \| good	0.314 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.583 \| good	44.076 \| good	40.72 \| good	0.33 \| good	7.96 \| good	0.282 \| good
2025-07-31T03:00:00.000Z	49 \| good	8.942 \| good	26.146 \| good	34.097 \| good	0.26 \| good	7.195 \| good	0.265 \| good
2025-07-31T04:00:00.000Z	49 \| good	9.37 \| good	46.04 \| good	30.751 \| good	0.267 \| good	7.859 \| good	0.298 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.032 \| good	33.258 \| good	25.673 \| good	0.426 \| good	10.153 \| good	0.297 \| good
2025-07-31T06:00:00.000Z	58 \| moderate	10.793 \| good	69.995 \| fine	25.729 \| good	0.922 \| good	8.542 \| good	0.313 \| good
2025-07-31T07:00:00.000Z	56 \| moderate	12.197 \| fine	64.069 \| fine	28.064 \| good	0.25 \| good	10.059 \| good	0.238 \| good
2025-07-31T08:00:00.000Z	49 \| good	9.15 \| good	38.894 \| good	18.843 \| good	0.35 \| good	11.374 \| good	0.238 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	9.508 \| good	36.349 \| good	18.516 \| good	0.516 \| good	11.633 \| good	0.215 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.235 \| good	32.641 \| good	21.776 \| good	0.604 \| good	4.993 \| good	0.247 \| good
2025-07-31T11:00:00.000Z	60 \| moderate	13.69 \| fine	57.53 \| fine	22.192 \| good	0.51 \| good	8.2 \| good	0.315 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	10.856 \| good	37.036 \| good	18.933 \| good	0.728 \| good	7.778 \| good	0.283 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.322 \| fine	29.938 \| good	24.69 \| good	0.546 \| good	6.962 \| good	0.3 \| good
2025-07-31T14:00:00.000Z	66 \| moderate	16.783 \| fine	72.352 \| fine	26.291 \| good	0.22 \| good	6.029 \| good	0.334 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	18.737 \| fine	50.419 \| good	32.258 \| good	0.209 \| good	7.155 \| good	0.351 \| good
2025-07-31T16:00:00.000Z	73 \| moderate	18.689 \| fine	99.743 \| fine	30.827 \| good	0.276 \| good	6.052 \| good	0.351 \| good
2025-07-31T17:00:00.000Z	81 \| moderate	25.366 \| fine	31.838 \| good	25.091 \| good	0.247 \| good	6.859 \| good	0.334 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	28.036 \| fine	86.565 \| fine	23.251 \| good	0.24 \| good	6.005 \| good	0.334 \| good
2025-07-31T19:00:00.000Z	90 \| moderate	29.771 \| fine	61.813 \| fine	23.552 \| good	0.247 \| good	5.042 \| good	0.367 \| good
2025-07-31T20:00:00.000Z	90 \| moderate	29.559 \| fine	39.511 \| good	27.391 \| good	0.267 \| good	4.174 \| good	0.35 \| good
2025-07-31T21:00:00.000Z	92 \| moderate	31.212 \| fine	62.301 \| fine	23.51 \| good	0.233 \| good	4.219 \| good	0.334 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.175 \| fine	80.484 \| fine	23.062 \| good	0.236 \| good	4.977 \| good	0.334 \| good
2025-07-31T23:00:00.000Z	64 \| moderate	15.53 \| fine	68.949 \| fine	18.659 \| good	0.693 \| good	5.242 \| good	0.282 \| good
2025-08-01T00:00:00.000Z	81 \| moderate	24.997 \| fine	33.097 \| good	25.166 \| good	0.237 \| good	6.68 \| good	0.334 \| good
2025-08-01T01:00:00.000Z	81 \| moderate	24.922 \| fine	69.243 \| fine	22.413 \| good	0.237 \| good	5.165 \| good	0.316 \| good
2025-08-01T02:00:00.000Z	79 \| moderate	24.185 \| fine	91.82 \| fine	22.678 \| good	0.222 \| good	4.776 \| good	0.283 \| good
2025-08-01T03:00:00.000Z	73 \| moderate	20.808 \| fine	58.461 \| fine	23.302 \| good	0.293 \| good	4.405 \| good	0.283 \| good
2025-08-01T04:00:00.000Z	73 \| moderate	20.808 \| fine	58.461 \| fine	23.302 \| good	0.293 \| good	4.405 \| good	0.283 \| good
2025-07-31T05:00:00.000Z	67 \| moderate	17.582 \| fine	77.487 \| fine	25.489 \| good	0.474 \| good	3.511 \| good	0.223 \| good
2025-07-31T06:00:00.000Z	69 \| moderate	19.138 \| fine	85.057 \| fine	20.944 \| good	0.429 \| good	2.674 \| good	0.222 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	20.462 \| fine	89.454 \| fine	16.971 \| good	0.481 \| good	2.535 \| good	0.233 \| good
2025-07-31T08:00:00.000Z	71 \| moderate	20.453 \| fine	89.432 \| fine	14.517 \| good	0.534 \| good	2.397 \| good	0.244 \| good
2025-07-31T09:00:00.000Z	81 \| moderate	24.733 \| fine	107.545 \| fine	13.339 \| good	0.587 \| good	2.258 \| good	0.255 \| good
2025-07-31T10:00:00.000Z	86 \| moderate	28.265 \| fine	122.987 \| fine	14.148 \| good	0.649 \| good	2.626 \| good	0.262 \| good
2025-07-31T11:00:00.000Z	94 \| moderate	32.077 \| fine	138.992 \| fine	18.904 \| good	0.711 \| good	2.994 \| good	0.269 \| good
2025-07-31T12:00:00.000Z	88 \| moderate	28.702 \| fine	124.847 \| fine	27.83 \| good	0.774 \| good	3.361 \| good	0.276 \| good
2025-07-31T13:00:00.000Z	82 \| moderate	26.13 \| fine	113.249 \| fine	31.761 \| good	0.783 \| good	2.989 \| good	0.273 \| good
2025-07-31T14:00:00.000Z	81 \| moderate	24.586 \| fine	106.894 \| fine	33.221 \| good	0.792 \| good	2.617 \| good	0.271 \| good
2025-07-31T15:00:00.000Z	75 \| moderate	21.845 \| fine	96.496 \| fine	36.376 \| good	0.801 \| good	2.245 \| good	0.268 \| good
2025-07-31T16:00:00.000Z	71 \| moderate	19.91 \| fine	86.942 \| fine	36.915 \| good	0.748 \| good	1.987 \| good	0.263 \| good
2025-07-31T17:00:00.000Z	69 \| moderate	18.974 \| fine	84.616 \| fine	31.936 \| good	0.695 \| good	1.729 \| good	0.258 \| good
2025-07-31T18:00:00.000Z	67 \| moderate	18.027 \| fine	79.202 \| fine	29.203 \| good	0.643 \| good	1.47 \| good	0.253 \| good
2025-07-31T19:00:00.000Z	67 \| moderate	18.31 \| fine	81.077 \| fine	27.231 \| good	0.663 \| good	1.765 \| good	0.252 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.027 \| fine	83.461 \| fine	25.73 \| good	0.684 \| good	2.06 \| good	0.252 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	17.78 \| fine	78.936 \| fine	23.558 \| good	0.705 \| good	2.355 \| good	0.252 \| good
2025-07-31T22:00:00.000Z	64 \| moderate	16.112 \| fine	71.171 \| fine	21.788 \| good	0.773 \| good	4.36 \| good	0.265 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.922 \| fine	58.793 \| fine	22.03 \| good	0.841 \| good	6.366 \| good	0.278 \| good
2025-08-01T00:00:00.000Z	58 \| moderate	12.968 \| fine	58.703 \| fine	22.42 \| good	0.909 \| good	8.371 \| good	0.291 \| good
2025-08-01T01:00:00.000Z	56 \| moderate	11.935 \| good	52.6 \| good	23.177 \| good	0.989 \| good	8.867 \| good	0.293 \| good
2025-08-01T02:00:00.000Z	56 \| moderate	12.401 \| fine	55.381 \| fine	23.813 \| good	1.069 \| good	9.362 \| good	0.296 \| good
2025-08-01T03:00:00.000Z	58 \| moderate	12.652 \| fine	57.063 \| fine	21.448 \| good	1.149 \| good	9.857 \| good	0.298 \| good
2025-08-01T04:00:00.000Z	58 \| moderate	12.728 \| fine	57.133 \| fine	20.51 \| good	1.237 \| good	9.342 \| good	0.295 \| good
2025-08-01T05:00:00.000Z	56 \| moderate	11.824 \| good	52.365 \| good	19.959 \| good	1.324 \| good	8.827 \| good	0.292 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.815 \| good	47.981 \| good	19.424 \| good	1.412 \| good	8.312 \| good	0.289 \| good
2025-08-01T07:00:00.000Z	49 \| good	8.699 \| good	38.048 \| good	20.313 \| good	1.341 \| good	7.036 \| good	0.275 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.394 \| good	36.966 \| good	20.632 \| good	1.27 \| good	5.759 \| good	0.261 \| good
2025-08-01T09:00:00.000Z	44 \| good	7.53 \| good	33.116 \| good	19.553 \| good	1.199 \| good	4.483 \| good	0.246 \| good
2025-08-01T10:00:00.000Z	38 \| good	7.36 \| good	32.171 \| good	19.471 \| good	1.064 \| good	4.323 \| good	0.237 \| good
2025-08-01T11:00:00.000Z	44 \| good	7.772 \| good	34.105 \| good	19.479 \| good	0.929 \| good	4.163 \| good	0.227 \| good
2025-08-01T12:00:00.000Z	44 \| good	8.42 \| good	37.039 \| good	19.563 \| good	0.794 \| good	4.004 \| good	0.218 \| good
2025-08-01T13:00:00.000Z	38 \| good	7.166 \| good	31.98 \| good	21.566 \| good	0.778 \| good	4.41 \| good	0.216 \| good
2025-08-01T14:00:00.000Z	33 \| good	6.005 \| good	26.891 \| good	22.26 \| good	0.761 \| good	4.816 \| good	0.214 \| good
2025-08-01T15:00:00.000Z	27 \| good	5.414 \| good	23.21 \| good	24.915 \| good	0.745 \| good	5.223 \| good	0.212 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.383 \| good	23.21 \| good	23.626 \| good	0.735 \| good	4.631 \| good	0.206 \| good
2025-08-01T17:00:00.000Z	33 \| good	6.212 \| good	27.176 \| good	23.579 \| good	0.725 \| good	4.04 \| good	0.201 \| good
2025-08-01T18:00:00.000Z	38 \| good	6.947 \| good	30.857 \| good	24.917 \| good	0.715 \| good	3.448 \| good	0.195 \| good
2025-08-01T19:00:00.000Z	33 \| good	5.735 \| good	24.891 \| good	26.682 \| good	0.676 \| good	3.302 \| good	0.195 \| good
2025-08-01T20:00:00.000Z	33 \| good	5.655 \| good	24.111 \| good	27.424 \| good	0.637 \| good	3.157 \| good	0.194 \| good
2025-08-01T21:00:00.000Z	33 \| good	5.747 \| good	24.858 \| good	27.302 \| good	0.598 \| good	3.011 \| good	0.194 \| good
2025-08-01T22:00:00.000Z	33 \| good	6.165 \| good	27.665 \| good	25.337 \| good	0.637 \| good	3.844 \| good	0.202 \| good
2025-08-01T23:00:00.000Z	44 \| good	7.516 \| good	32.836 \| good	20.744 \| good	0.676 \| good	4.677 \| good	0.21 \| good
2025-08-02T00:00:00.000Z	66 \| moderate	16.73 \| fine	17.538 \| good	38.967 \| good	0.715 \| good	5.514 \| good	0.218 \| good
2025-08-02T01:00:00.000Z	54 \| moderate	10.522 \| good	46.857 \| good	13.322 \| good	0.793 \| good	6.406 \| good	0.225 \| good
2025-08-02T02:00:00.000Z	54 \| moderate	10.733 \| good	47.873 \| good	13.619 \| good	0.871 \| good	7.303 \| good	0.232 \| good
2025-08-02T03:00:00.000Z	54 \| moderate	10.893 \| good	48.08 \| good	13.783 \| good	0.949 \| good	8.199 \| good	0.24 \| good
2025-08-02T04:00:00.000Z	56 \| moderate	11.605 \| good	51.029 \| good	11.696 \| good	0.954 \| good	7.847 \| good	0.239 \| good

Southborough, Massachusetts live air quality index now

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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Air quality in nearby cities

Marlborough, Massachusetts

Ashland, Massachusetts

Westborough, Massachusetts

Hopkinton, Massachusetts

Framingham, Massachusetts

Northborough, Massachusetts

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Frequently asked questions

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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