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

The current PM10 concentration at Southborough, Massachusetts is 21.31 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Southborough, Massachusetts is 0.381 ppb.

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

The current ozone (O3) concentration at Southborough, Massachusetts is 38.032 ppm.

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

The current nitrogen dioxide (NO2) concentration at Southborough, Massachusetts is 12.508 ppb.

Southborough, Massachusetts live air quality index now

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

The current PM2.5 concentration at Southborough, Massachusetts is 4.441 μg/m3.

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)

4.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.31 μg/m³

155

255

425

605+

Ozone (O₃)

38.03 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.51 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-05-12T16:00:00.000Z	31 \| good	1.786 \| good	6.461 \| good	32.919 \| good	0.346 \| good	2.584 \| good	0.183 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.658 \| good	6.22 \| good	34.892 \| good	0.329 \| good	3.614 \| good	0.149 \| good
2026-05-12T18:00:00.000Z	32 \| good	1.551 \| good	6.169 \| good	35.27 \| good	0.329 \| good	2.889 \| good	0.183 \| good
2026-05-12T19:00:00.000Z	33 \| good	1.326 \| good	5.009 \| good	36.128 \| good	0.332 \| good	2.494 \| good	0.183 \| good
2026-05-12T20:00:00.000Z	33 \| good	1.213 \| good	5.661 \| good	35.716 \| good	0.335 \| good	2.707 \| good	0.167 \| good
2026-05-12T21:00:00.000Z	36 \| good	1.136 \| good	4.602 \| good	38.985 \| good	0.337 \| good	2.54 \| good	0.167 \| good
2026-05-12T22:00:00.000Z	35 \| good	1.004 \| good	4.767 \| good	37.519 \| good	0.335 \| good	2.417 \| good	0.151 \| good
2026-05-12T23:00:00.000Z	35 \| good	1.326 \| good	6.837 \| good	37.699 \| good	0.332 \| good	2.988 \| good	0.167 \| good
2026-05-13T00:00:00.000Z	35 \| good	2.214 \| good	8.307 \| good	38.259 \| good	0.328 \| good	3.257 \| good	0.184 \| good
2026-05-13T01:00:00.000Z	36 \| good	2.787 \| good	13.548 \| good	38.918 \| good	0.337 \| good	2.867 \| good	0.216 \| good
2026-05-13T02:00:00.000Z	32 \| good	3.283 \| good	14.842 \| good	34.609 \| good	0.357 \| good	11.844 \| good	0.216 \| good
2026-05-13T03:00:00.000Z	22 \| good	4.33 \| good	18.967 \| good	23.295 \| good	0.447 \| good	22.826 \| good	0.266 \| good
2026-05-13T04:00:00.000Z	29 \| good	2.352 \| good	9.074 \| good	30.867 \| good	0.356 \| good	11.417 \| good	0.251 \| good
2026-05-13T05:00:00.000Z	24 \| good	2.974 \| good	8.533 \| good	26.383 \| good	0.356 \| good	12.195 \| good	0.235 \| good
2026-05-13T06:00:00.000Z	24 \| good	3.083 \| good	10.641 \| good	25.832 \| good	0.326 \| good	12.127 \| good	0.219 \| good
2026-05-13T07:00:00.000Z	20 \| good	2.832 \| good	7.929 \| good	22.122 \| good	0.428 \| good	14.091 \| good	0.1 \| good
2026-05-13T08:00:00.000Z	26 \| good	3.488 \| good	12.545 \| good	27.777 \| good	0.324 \| good	9.498 \| good	0.151 \| good
2026-05-13T09:00:00.000Z	20 \| good	3.362 \| good	12.644 \| good	21.833 \| good	0.291 \| good	8.251 \| good	0.151 \| good
2026-05-13T10:00:00.000Z	19 \| good	2.963 \| good	11.611 \| good	21.325 \| good	0.361 \| good	7.021 \| good	0.184 \| good
2026-05-13T11:00:00.000Z	21 \| good	3.131 \| good	9.045 \| good	22.536 \| good	0.361 \| good	7.314 \| good	0.217 \| good
2026-05-13T12:00:00.000Z	24 \| good	3.522 \| good	13.673 \| good	25.799 \| good	0.407 \| good	12.431 \| good	0.217 \| good
2026-05-13T13:00:00.000Z	28 \| good	3.432 \| good	14.325 \| good	29.61 \| good	0.406 \| good	11.125 \| good	0.217 \| good
2026-05-13T14:00:00.000Z	26 \| good	3.337 \| good	15.982 \| good	27.79 \| good	0.422 \| good	11.033 \| good	0.217 \| good
2026-05-13T15:00:00.000Z	27 \| good	4.295 \| good	19.397 \| good	29.223 \| good	0.387 \| good	8.77 \| good	0.2 \| good
2026-05-13T16:00:00.000Z	34 \| good	6.319 \| good	28.071 \| good	37.226 \| good	0.302 \| good	2.5 \| good	0.15 \| good
2026-05-13T17:00:00.000Z	32 \| good	4.244 \| good	17.771 \| good	35.491 \| good	0.324 \| good	9.415 \| good	0.201 \| good
2026-05-13T18:00:00.000Z	32 \| good	4.499 \| good	18.199 \| good	35.197 \| good	0.405 \| good	8.643 \| good	0.233 \| good
2026-05-13T19:00:00.000Z	38 \| good	4.94 \| good	21.542 \| good	41.446 \| good	0.405 \| good	8.953 \| good	0.218 \| good
2026-05-13T20:00:00.000Z	44 \| good	5.057 \| good	22.672 \| good	47.646 \| good	0.475 \| good	4.825 \| good	0.2 \| good
2026-05-13T21:00:00.000Z	43 \| good	4.958 \| good	20.189 \| good	45.97 \| good	0.441 \| good	4.808 \| good	0.183 \| good
2026-05-13T22:00:00.000Z	38 \| good	5.229 \| good	21.189 \| good	41.361 \| good	0.455 \| good	5.315 \| good	0.167 \| good
2026-05-13T23:00:00.000Z	43 \| good	5.188 \| good	23.332 \| good	46.399 \| good	0.44 \| good	3.74 \| good	0.2 \| good
2026-05-14T00:00:00.000Z	48 \| good	4.731 \| good	18.408 \| good	51.595 \| good	0.438 \| good	4.014 \| good	0.184 \| good
2026-05-14T01:00:00.000Z	46 \| good	4.635 \| good	16.118 \| good	50.28 \| good	0.387 \| good	4.964 \| good	0.201 \| good
2026-05-14T02:00:00.000Z	45 \| good	4.779 \| good	15.976 \| good	48.641 \| good	0.354 \| good	2.852 \| good	0.201 \| good
2026-05-14T03:00:00.000Z	45 \| good	4.88 \| good	15.481 \| good	48.837 \| good	0.336 \| good	3.364 \| good	0.218 \| good
2026-05-14T04:00:00.000Z	44 \| good	4.878 \| good	16.782 \| good	47.896 \| good	0.336 \| good	3.214 \| good	0.202 \| good
2026-05-14T05:00:00.000Z	40 \| good	4.929 \| good	14.138 \| good	43.449 \| good	0.336 \| good	5.215 \| good	0.168 \| good
2026-05-14T06:00:00.000Z	38 \| good	4.564 \| good	15.693 \| good	41.211 \| good	0.371 \| good	8.793 \| good	0.168 \| good
2026-05-14T07:00:00.000Z	41 \| good	4.577 \| good	15.45 \| good	43.679 \| good	0.372 \| good	8.775 \| good	0.168 \| good
2026-05-14T08:00:00.000Z	40 \| good	4.439 \| good	19.949 \| good	43.008 \| good	0.386 \| good	8.057 \| good	0.172 \| good
2026-05-14T09:00:00.000Z	40 \| good	4.377 \| good	15.279 \| good	42.892 \| good	0.372 \| good	10.924 \| good	0.151 \| good
2026-05-14T10:00:00.000Z	39 \| good	4.154 \| good	18.145 \| good	41.685 \| good	0.439 \| good	13.912 \| good	0.2 \| good
2026-05-14T11:00:00.000Z	32 \| good	4.084 \| good	12.426 \| good	35.115 \| good	0.488 \| good	13.766 \| good	0.248 \| good
2026-05-14T12:00:00.000Z	37 \| good	4.066 \| good	15.042 \| good	40.424 \| good	0.437 \| good	11.63 \| good	0.266 \| good
2026-05-14T13:00:00.000Z	34 \| good	3.607 \| good	14.655 \| good	36.875 \| good	0.437 \| good	14.412 \| good	0.22 \| good
2026-05-14T14:00:00.000Z	41 \| good	4.27 \| good	15.041 \| good	43.899 \| good	0.399 \| good	11.701 \| good	0.167 \| good
2026-05-14T15:00:00.000Z	35 \| good	4.441 \| good	21.31 \| good	38.032 \| good	0.381 \| good	12.508 \| good	0.185 \| good
2026-05-14T15:00:00.000Z	35 \| good	4.441 \| good	21.31 \| good	38.032 \| good	0.381 \| good	12.508 \| good	0.185 \| good
2026-05-14T16:00:00.000Z	39 \| good	3.082 \| good	12.105 \| good	41.972 \| good	0.214 \| good	3.665 \| good	0.149 \| good
2026-05-14T17:00:00.000Z	38 \| good	2.744 \| good	11.07 \| good	41.266 \| good	0.224 \| good	3.223 \| good	0.146 \| good
2026-05-14T18:00:00.000Z	34 \| good	3.321 \| good	14.292 \| good	36.749 \| good	0.226 \| good	3.183 \| good	0.145 \| good
2026-05-14T19:00:00.000Z	29 \| good	3.97 \| good	17.229 \| good	31.108 \| good	0.223 \| good	3.415 \| good	0.147 \| good
2026-05-14T20:00:00.000Z	26 \| good	4.337 \| good	19.064 \| good	27.814 \| good	0.236 \| good	4.249 \| good	0.154 \| good
2026-05-14T21:00:00.000Z	27 \| good	4.219 \| good	18.259 \| good	28.824 \| good	0.243 \| good	5.048 \| good	0.16 \| good
2026-05-14T22:00:00.000Z	27 \| good	4.548 \| good	19.306 \| good	29.38 \| good	0.244 \| good	6.577 \| good	0.173 \| good
2026-05-14T23:00:00.000Z	31 \| good	3.73 \| good	16.221 \| good	33.706 \| good	0.245 \| good	7.74 \| good	0.183 \| good
2026-05-15T00:00:00.000Z	32 \| good	3.023 \| good	12.465 \| good	34.63 \| good	0.254 \| good	8.947 \| good	0.188 \| good
2026-05-15T01:00:00.000Z	33 \| good	2.62 \| good	10.375 \| good	36.157 \| good	0.272 \| good	9.944 \| good	0.194 \| good
2026-05-15T02:00:00.000Z	32 \| good	2.547 \| good	10.225 \| good	35.402 \| good	0.284 \| good	11.015 \| good	0.2 \| good
2026-05-15T03:00:00.000Z	33 \| good	2.968 \| good	12.044 \| good	35.644 \| good	0.275 \| good	10.136 \| good	0.192 \| good
2026-05-15T04:00:00.000Z	32 \| good	2.769 \| good	11.113 \| good	34.792 \| good	0.257 \| good	8.739 \| good	0.18 \| good
2026-05-15T05:00:00.000Z	31 \| good	3.342 \| good	14.85 \| good	34.01 \| good	0.235 \| good	7.084 \| good	0.169 \| good
2026-05-15T06:00:00.000Z	31 \| good	3.413 \| good	15.082 \| good	33.522 \| good	0.212 \| good	5.399 \| good	0.156 \| good
2026-05-15T07:00:00.000Z	29 \| good	3.71 \| good	16.212 \| good	31.193 \| good	0.196 \| good	4.248 \| good	0.147 \| good
2026-05-15T08:00:00.000Z	27 \| good	4.653 \| good	20.076 \| good	27.352 \| good	0.186 \| good	3.534 \| good	0.14 \| good
2026-05-15T09:00:00.000Z	27 \| good	5.216 \| good	22.787 \| good	25.056 \| good	0.179 \| good	2.838 \| good	0.134 \| good
2026-05-15T10:00:00.000Z	25 \| good	3.475 \| good	15.01 \| good	26.795 \| good	0.179 \| good	2.576 \| good	0.131 \| good
2026-05-15T11:00:00.000Z	28 \| good	2.418 \| good	10.056 \| good	30.04 \| good	0.175 \| good	2.582 \| good	0.131 \| good
2026-05-15T12:00:00.000Z	28 \| good	2.544 \| good	10.107 \| good	29.605 \| good	0.164 \| good	2.737 \| good	0.132 \| good
2026-05-15T13:00:00.000Z	30 \| good	2.656 \| good	10.969 \| good	31.651 \| good	0.152 \| good	2.939 \| good	0.133 \| good
2026-05-15T14:00:00.000Z	31 \| good	2.485 \| good	10.1 \| good	33.136 \| good	0.15 \| good	3.211 \| good	0.136 \| good
2026-05-15T15:00:00.000Z	31 \| good	3.101 \| good	12.44 \| good	33.61 \| good	0.145 \| good	2.784 \| good	0.131 \| good
2026-05-15T16:00:00.000Z	32 \| good	4.27 \| good	19.011 \| good	34.568 \| good	0.146 \| good	2.576 \| good	0.13 \| good
2026-05-15T17:00:00.000Z	32 \| good	4.119 \| good	18.019 \| good	35.152 \| good	0.145 \| good	2.33 \| good	0.128 \| good
2026-05-15T18:00:00.000Z	32 \| good	3.925 \| good	17.113 \| good	35.065 \| good	0.155 \| good	2.562 \| good	0.132 \| good
2026-05-15T19:00:00.000Z	31 \| good	4.407 \| good	19.105 \| good	33.348 \| good	0.17 \| good	2.576 \| good	0.134 \| good
2026-05-15T20:00:00.000Z	30 \| good	4.181 \| good	18.092 \| good	31.778 \| good	0.189 \| good	3.092 \| good	0.139 \| good
2026-05-15T21:00:00.000Z	31 \| good	4.269 \| good	18.881 \| good	33.906 \| good	0.204 \| good	3.907 \| good	0.147 \| good
2026-05-15T22:00:00.000Z	35 \| good	3.269 \| good	13.965 \| good	37.529 \| good	0.213 \| good	4.771 \| good	0.158 \| good
2026-05-15T23:00:00.000Z	35 \| good	2.64 \| good	10.929 \| good	38.039 \| good	0.217 \| good	5.744 \| good	0.168 \| good
2026-05-16T00:00:00.000Z	33 \| good	3.403 \| good	14.822 \| good	35.858 \| good	0.224 \| good	7.309 \| good	0.177 \| good
2026-05-16T01:00:00.000Z	30 \| good	3.699 \| good	15.791 \| good	32.25 \| good	0.223 \| good	7.384 \| good	0.174 \| good
2026-05-16T02:00:00.000Z	28 \| good	3.972 \| good	17.608 \| good	30.465 \| good	0.223 \| good	7.625 \| good	0.174 \| good
2026-05-16T03:00:00.000Z	27 \| good	4.193 \| good	18.597 \| good	29.327 \| good	0.218 \| good	7.836 \| good	0.175 \| good
2026-05-16T04:00:00.000Z	27 \| good	3.901 \| good	16.816 \| good	29.372 \| good	0.187 \| good	6.676 \| good	0.168 \| good
2026-05-16T05:00:00.000Z	26 \| good	3.316 \| good	14.603 \| good	27.538 \| good	0.15 \| good	5.005 \| good	0.155 \| good
2026-05-16T06:00:00.000Z	29 \| good	1.991 \| good	2.104 \| good	30.633 \| good	0.133 \| good	4.102 \| good	0.147 \| good
2026-05-16T07:00:00.000Z	21 \| good	2.108 \| good	8.824 \| good	22.729 \| good	0.133 \| good	3.597 \| good	0.143 \| good
2026-05-16T08:00:00.000Z	20 \| good	2.339 \| good	9.805 \| good	21.878 \| good	0.147 \| good	3.444 \| good	0.144 \| good
2026-05-16T09:00:00.000Z	22 \| good	1.902 \| good	7.929 \| good	23.647 \| good	0.16 \| good	3.523 \| good	0.147 \| good
2026-05-16T10:00:00.000Z	24 \| good	1.77 \| good	7.125 \| good	25.922 \| good	0.168 \| good	3.592 \| good	0.151 \| good
2026-05-16T11:00:00.000Z	29 \| good	2.201 \| good	8.967 \| good	30.93 \| good	0.179 \| good	3.138 \| good	0.156 \| good
2026-05-16T12:00:00.000Z	27 \| good	3.551 \| good	3.582 \| good	29.181 \| good	0.216 \| good	2.717 \| good	0.161 \| good
2026-05-16T13:00:00.000Z	34 \| good	3.664 \| good	3.733 \| good	37.011 \| good	0.306 \| good	1.729 \| good	0.156 \| good
2026-05-16T14:00:00.000Z	40 \| good	3.961 \| good	4.09 \| good	43.193 \| good	0.398 \| good	1.134 \| good	0.15 \| good
2026-05-16T15:00:00.000Z	44 \| good	3.868 \| good	4.037 \| good	47.29 \| good	0.385 \| good	0.786 \| good	0.144 \| good

Southborough

Get reliable air quality data to drive your business

Southborough, Massachusetts air quality map: Track AQI near you

0.19ppm

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

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 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 12:00:00 on 2026-05-14.

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 03:00:00 on 2026-05-13.

What is the current air quality in Southborough, Massachusetts?

The current air quality in Southborough, Massachusetts is 35, 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 O3.

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 4.441 μg/m³.

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

The current PM₁₀ concentration at Southborough, Massachusetts is 21.31 μg/m³.

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

The current carbon monoxide (CO) concentration at Southborough, Massachusetts is 0.185 ppm.

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

The current sulfur dioxide (SO₂) concentration at Southborough, Massachusetts is 0.381 ppb.

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

The current ozone (O₃) concentration at Southborough, Massachusetts is 38.032 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Southborough, Massachusetts is 12.508 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T16:00:00.000Z	31 \| good	1.786 \| good	6.461 \| good	32.919 \| good	0.346 \| good	2.584 \| good	0.183 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.658 \| good	6.22 \| good	34.892 \| good	0.329 \| good	3.614 \| good	0.149 \| good
2026-05-12T18:00:00.000Z	32 \| good	1.551 \| good	6.169 \| good	35.27 \| good	0.329 \| good	2.889 \| good	0.183 \| good
2026-05-12T19:00:00.000Z	33 \| good	1.326 \| good	5.009 \| good	36.128 \| good	0.332 \| good	2.494 \| good	0.183 \| good
2026-05-12T20:00:00.000Z	33 \| good	1.213 \| good	5.661 \| good	35.716 \| good	0.335 \| good	2.707 \| good	0.167 \| good
2026-05-12T21:00:00.000Z	36 \| good	1.136 \| good	4.602 \| good	38.985 \| good	0.337 \| good	2.54 \| good	0.167 \| good
2026-05-12T22:00:00.000Z	35 \| good	1.004 \| good	4.767 \| good	37.519 \| good	0.335 \| good	2.417 \| good	0.151 \| good
2026-05-12T23:00:00.000Z	35 \| good	1.326 \| good	6.837 \| good	37.699 \| good	0.332 \| good	2.988 \| good	0.167 \| good
2026-05-13T00:00:00.000Z	35 \| good	2.214 \| good	8.307 \| good	38.259 \| good	0.328 \| good	3.257 \| good	0.184 \| good
2026-05-13T01:00:00.000Z	36 \| good	2.787 \| good	13.548 \| good	38.918 \| good	0.337 \| good	2.867 \| good	0.216 \| good
2026-05-13T02:00:00.000Z	32 \| good	3.283 \| good	14.842 \| good	34.609 \| good	0.357 \| good	11.844 \| good	0.216 \| good
2026-05-13T03:00:00.000Z	22 \| good	4.33 \| good	18.967 \| good	23.295 \| good	0.447 \| good	22.826 \| good	0.266 \| good
2026-05-13T04:00:00.000Z	29 \| good	2.352 \| good	9.074 \| good	30.867 \| good	0.356 \| good	11.417 \| good	0.251 \| good
2026-05-13T05:00:00.000Z	24 \| good	2.974 \| good	8.533 \| good	26.383 \| good	0.356 \| good	12.195 \| good	0.235 \| good
2026-05-13T06:00:00.000Z	24 \| good	3.083 \| good	10.641 \| good	25.832 \| good	0.326 \| good	12.127 \| good	0.219 \| good
2026-05-13T07:00:00.000Z	20 \| good	2.832 \| good	7.929 \| good	22.122 \| good	0.428 \| good	14.091 \| good	0.1 \| good
2026-05-13T08:00:00.000Z	26 \| good	3.488 \| good	12.545 \| good	27.777 \| good	0.324 \| good	9.498 \| good	0.151 \| good
2026-05-13T09:00:00.000Z	20 \| good	3.362 \| good	12.644 \| good	21.833 \| good	0.291 \| good	8.251 \| good	0.151 \| good
2026-05-13T10:00:00.000Z	19 \| good	2.963 \| good	11.611 \| good	21.325 \| good	0.361 \| good	7.021 \| good	0.184 \| good
2026-05-13T11:00:00.000Z	21 \| good	3.131 \| good	9.045 \| good	22.536 \| good	0.361 \| good	7.314 \| good	0.217 \| good
2026-05-13T12:00:00.000Z	24 \| good	3.522 \| good	13.673 \| good	25.799 \| good	0.407 \| good	12.431 \| good	0.217 \| good
2026-05-13T13:00:00.000Z	28 \| good	3.432 \| good	14.325 \| good	29.61 \| good	0.406 \| good	11.125 \| good	0.217 \| good
2026-05-13T14:00:00.000Z	26 \| good	3.337 \| good	15.982 \| good	27.79 \| good	0.422 \| good	11.033 \| good	0.217 \| good
2026-05-13T15:00:00.000Z	27 \| good	4.295 \| good	19.397 \| good	29.223 \| good	0.387 \| good	8.77 \| good	0.2 \| good
2026-05-13T16:00:00.000Z	34 \| good	6.319 \| good	28.071 \| good	37.226 \| good	0.302 \| good	2.5 \| good	0.15 \| good
2026-05-13T17:00:00.000Z	32 \| good	4.244 \| good	17.771 \| good	35.491 \| good	0.324 \| good	9.415 \| good	0.201 \| good
2026-05-13T18:00:00.000Z	32 \| good	4.499 \| good	18.199 \| good	35.197 \| good	0.405 \| good	8.643 \| good	0.233 \| good
2026-05-13T19:00:00.000Z	38 \| good	4.94 \| good	21.542 \| good	41.446 \| good	0.405 \| good	8.953 \| good	0.218 \| good
2026-05-13T20:00:00.000Z	44 \| good	5.057 \| good	22.672 \| good	47.646 \| good	0.475 \| good	4.825 \| good	0.2 \| good
2026-05-13T21:00:00.000Z	43 \| good	4.958 \| good	20.189 \| good	45.97 \| good	0.441 \| good	4.808 \| good	0.183 \| good
2026-05-13T22:00:00.000Z	38 \| good	5.229 \| good	21.189 \| good	41.361 \| good	0.455 \| good	5.315 \| good	0.167 \| good
2026-05-13T23:00:00.000Z	43 \| good	5.188 \| good	23.332 \| good	46.399 \| good	0.44 \| good	3.74 \| good	0.2 \| good
2026-05-14T00:00:00.000Z	48 \| good	4.731 \| good	18.408 \| good	51.595 \| good	0.438 \| good	4.014 \| good	0.184 \| good
2026-05-14T01:00:00.000Z	46 \| good	4.635 \| good	16.118 \| good	50.28 \| good	0.387 \| good	4.964 \| good	0.201 \| good
2026-05-14T02:00:00.000Z	45 \| good	4.779 \| good	15.976 \| good	48.641 \| good	0.354 \| good	2.852 \| good	0.201 \| good
2026-05-14T03:00:00.000Z	45 \| good	4.88 \| good	15.481 \| good	48.837 \| good	0.336 \| good	3.364 \| good	0.218 \| good
2026-05-14T04:00:00.000Z	44 \| good	4.878 \| good	16.782 \| good	47.896 \| good	0.336 \| good	3.214 \| good	0.202 \| good
2026-05-14T05:00:00.000Z	40 \| good	4.929 \| good	14.138 \| good	43.449 \| good	0.336 \| good	5.215 \| good	0.168 \| good
2026-05-14T06:00:00.000Z	38 \| good	4.564 \| good	15.693 \| good	41.211 \| good	0.371 \| good	8.793 \| good	0.168 \| good
2026-05-14T07:00:00.000Z	41 \| good	4.577 \| good	15.45 \| good	43.679 \| good	0.372 \| good	8.775 \| good	0.168 \| good
2026-05-14T08:00:00.000Z	40 \| good	4.439 \| good	19.949 \| good	43.008 \| good	0.386 \| good	8.057 \| good	0.172 \| good
2026-05-14T09:00:00.000Z	40 \| good	4.377 \| good	15.279 \| good	42.892 \| good	0.372 \| good	10.924 \| good	0.151 \| good
2026-05-14T10:00:00.000Z	39 \| good	4.154 \| good	18.145 \| good	41.685 \| good	0.439 \| good	13.912 \| good	0.2 \| good
2026-05-14T11:00:00.000Z	32 \| good	4.084 \| good	12.426 \| good	35.115 \| good	0.488 \| good	13.766 \| good	0.248 \| good
2026-05-14T12:00:00.000Z	37 \| good	4.066 \| good	15.042 \| good	40.424 \| good	0.437 \| good	11.63 \| good	0.266 \| good
2026-05-14T13:00:00.000Z	34 \| good	3.607 \| good	14.655 \| good	36.875 \| good	0.437 \| good	14.412 \| good	0.22 \| good
2026-05-14T14:00:00.000Z	41 \| good	4.27 \| good	15.041 \| good	43.899 \| good	0.399 \| good	11.701 \| good	0.167 \| good
2026-05-14T15:00:00.000Z	35 \| good	4.441 \| good	21.31 \| good	38.032 \| good	0.381 \| good	12.508 \| good	0.185 \| good
2026-05-14T15:00:00.000Z	35 \| good	4.441 \| good	21.31 \| good	38.032 \| good	0.381 \| good	12.508 \| good	0.185 \| good
2026-05-14T16:00:00.000Z	39 \| good	3.082 \| good	12.105 \| good	41.972 \| good	0.214 \| good	3.665 \| good	0.149 \| good
2026-05-14T17:00:00.000Z	38 \| good	2.744 \| good	11.07 \| good	41.266 \| good	0.224 \| good	3.223 \| good	0.146 \| good
2026-05-14T18:00:00.000Z	34 \| good	3.321 \| good	14.292 \| good	36.749 \| good	0.226 \| good	3.183 \| good	0.145 \| good
2026-05-14T19:00:00.000Z	29 \| good	3.97 \| good	17.229 \| good	31.108 \| good	0.223 \| good	3.415 \| good	0.147 \| good
2026-05-14T20:00:00.000Z	26 \| good	4.337 \| good	19.064 \| good	27.814 \| good	0.236 \| good	4.249 \| good	0.154 \| good
2026-05-14T21:00:00.000Z	27 \| good	4.219 \| good	18.259 \| good	28.824 \| good	0.243 \| good	5.048 \| good	0.16 \| good
2026-05-14T22:00:00.000Z	27 \| good	4.548 \| good	19.306 \| good	29.38 \| good	0.244 \| good	6.577 \| good	0.173 \| good
2026-05-14T23:00:00.000Z	31 \| good	3.73 \| good	16.221 \| good	33.706 \| good	0.245 \| good	7.74 \| good	0.183 \| good
2026-05-15T00:00:00.000Z	32 \| good	3.023 \| good	12.465 \| good	34.63 \| good	0.254 \| good	8.947 \| good	0.188 \| good
2026-05-15T01:00:00.000Z	33 \| good	2.62 \| good	10.375 \| good	36.157 \| good	0.272 \| good	9.944 \| good	0.194 \| good
2026-05-15T02:00:00.000Z	32 \| good	2.547 \| good	10.225 \| good	35.402 \| good	0.284 \| good	11.015 \| good	0.2 \| good
2026-05-15T03:00:00.000Z	33 \| good	2.968 \| good	12.044 \| good	35.644 \| good	0.275 \| good	10.136 \| good	0.192 \| good
2026-05-15T04:00:00.000Z	32 \| good	2.769 \| good	11.113 \| good	34.792 \| good	0.257 \| good	8.739 \| good	0.18 \| good
2026-05-15T05:00:00.000Z	31 \| good	3.342 \| good	14.85 \| good	34.01 \| good	0.235 \| good	7.084 \| good	0.169 \| good
2026-05-15T06:00:00.000Z	31 \| good	3.413 \| good	15.082 \| good	33.522 \| good	0.212 \| good	5.399 \| good	0.156 \| good
2026-05-15T07:00:00.000Z	29 \| good	3.71 \| good	16.212 \| good	31.193 \| good	0.196 \| good	4.248 \| good	0.147 \| good
2026-05-15T08:00:00.000Z	27 \| good	4.653 \| good	20.076 \| good	27.352 \| good	0.186 \| good	3.534 \| good	0.14 \| good
2026-05-15T09:00:00.000Z	27 \| good	5.216 \| good	22.787 \| good	25.056 \| good	0.179 \| good	2.838 \| good	0.134 \| good
2026-05-15T10:00:00.000Z	25 \| good	3.475 \| good	15.01 \| good	26.795 \| good	0.179 \| good	2.576 \| good	0.131 \| good
2026-05-15T11:00:00.000Z	28 \| good	2.418 \| good	10.056 \| good	30.04 \| good	0.175 \| good	2.582 \| good	0.131 \| good
2026-05-15T12:00:00.000Z	28 \| good	2.544 \| good	10.107 \| good	29.605 \| good	0.164 \| good	2.737 \| good	0.132 \| good
2026-05-15T13:00:00.000Z	30 \| good	2.656 \| good	10.969 \| good	31.651 \| good	0.152 \| good	2.939 \| good	0.133 \| good
2026-05-15T14:00:00.000Z	31 \| good	2.485 \| good	10.1 \| good	33.136 \| good	0.15 \| good	3.211 \| good	0.136 \| good
2026-05-15T15:00:00.000Z	31 \| good	3.101 \| good	12.44 \| good	33.61 \| good	0.145 \| good	2.784 \| good	0.131 \| good
2026-05-15T16:00:00.000Z	32 \| good	4.27 \| good	19.011 \| good	34.568 \| good	0.146 \| good	2.576 \| good	0.13 \| good
2026-05-15T17:00:00.000Z	32 \| good	4.119 \| good	18.019 \| good	35.152 \| good	0.145 \| good	2.33 \| good	0.128 \| good
2026-05-15T18:00:00.000Z	32 \| good	3.925 \| good	17.113 \| good	35.065 \| good	0.155 \| good	2.562 \| good	0.132 \| good
2026-05-15T19:00:00.000Z	31 \| good	4.407 \| good	19.105 \| good	33.348 \| good	0.17 \| good	2.576 \| good	0.134 \| good
2026-05-15T20:00:00.000Z	30 \| good	4.181 \| good	18.092 \| good	31.778 \| good	0.189 \| good	3.092 \| good	0.139 \| good
2026-05-15T21:00:00.000Z	31 \| good	4.269 \| good	18.881 \| good	33.906 \| good	0.204 \| good	3.907 \| good	0.147 \| good
2026-05-15T22:00:00.000Z	35 \| good	3.269 \| good	13.965 \| good	37.529 \| good	0.213 \| good	4.771 \| good	0.158 \| good
2026-05-15T23:00:00.000Z	35 \| good	2.64 \| good	10.929 \| good	38.039 \| good	0.217 \| good	5.744 \| good	0.168 \| good
2026-05-16T00:00:00.000Z	33 \| good	3.403 \| good	14.822 \| good	35.858 \| good	0.224 \| good	7.309 \| good	0.177 \| good
2026-05-16T01:00:00.000Z	30 \| good	3.699 \| good	15.791 \| good	32.25 \| good	0.223 \| good	7.384 \| good	0.174 \| good
2026-05-16T02:00:00.000Z	28 \| good	3.972 \| good	17.608 \| good	30.465 \| good	0.223 \| good	7.625 \| good	0.174 \| good
2026-05-16T03:00:00.000Z	27 \| good	4.193 \| good	18.597 \| good	29.327 \| good	0.218 \| good	7.836 \| good	0.175 \| good
2026-05-16T04:00:00.000Z	27 \| good	3.901 \| good	16.816 \| good	29.372 \| good	0.187 \| good	6.676 \| good	0.168 \| good
2026-05-16T05:00:00.000Z	26 \| good	3.316 \| good	14.603 \| good	27.538 \| good	0.15 \| good	5.005 \| good	0.155 \| good
2026-05-16T06:00:00.000Z	29 \| good	1.991 \| good	2.104 \| good	30.633 \| good	0.133 \| good	4.102 \| good	0.147 \| good
2026-05-16T07:00:00.000Z	21 \| good	2.108 \| good	8.824 \| good	22.729 \| good	0.133 \| good	3.597 \| good	0.143 \| good
2026-05-16T08:00:00.000Z	20 \| good	2.339 \| good	9.805 \| good	21.878 \| good	0.147 \| good	3.444 \| good	0.144 \| good
2026-05-16T09:00:00.000Z	22 \| good	1.902 \| good	7.929 \| good	23.647 \| good	0.16 \| good	3.523 \| good	0.147 \| good
2026-05-16T10:00:00.000Z	24 \| good	1.77 \| good	7.125 \| good	25.922 \| good	0.168 \| good	3.592 \| good	0.151 \| good
2026-05-16T11:00:00.000Z	29 \| good	2.201 \| good	8.967 \| good	30.93 \| good	0.179 \| good	3.138 \| good	0.156 \| good
2026-05-16T12:00:00.000Z	27 \| good	3.551 \| good	3.582 \| good	29.181 \| good	0.216 \| good	2.717 \| good	0.161 \| good
2026-05-16T13:00:00.000Z	34 \| good	3.664 \| good	3.733 \| good	37.011 \| good	0.306 \| good	1.729 \| good	0.156 \| good
2026-05-16T14:00:00.000Z	40 \| good	3.961 \| good	4.09 \| good	43.193 \| good	0.398 \| good	1.134 \| good	0.15 \| good
2026-05-16T15:00:00.000Z	44 \| good	3.868 \| good	4.037 \| good	47.29 \| good	0.385 \| good	0.786 \| good	0.144 \| 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)

Track live Southborough, Massachusetts air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the current air quality in Southborough, Massachusetts?

What pollutant is the most common in Southborough, Massachusetts?

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

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?