What are the current PM10 levels at Groton, Massachusetts?

The current PM10 levels in Groton, Massachusetts are 26.313 μg/m3.

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

The current sulfur dioxide (SO2) levels in Groton, Massachusetts are 0.561 ppb.

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

The current ozone (O3) levels at Groton, Massachusetts is 29.861 ppm.

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

The current nitrogen dioxide (NO2) levels at Groton, Massachusetts is 23.322 ppb.

Real-time air quality index in Groton, Massachusetts today

Q: What are the current PM2.5 levels in Groton, Massachusetts?

The measured PM2.5 levels in Groton, Massachusetts at present are 7.709 μg/m3.

Stay updated with real-time air quality in Groton, 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

Groton, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Groton, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.31 μg/m³

155

255

425

605+

Ozone (O₃)

29.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.32 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Groton, Massachusetts

Scroll To Air Quality Map

Track live Groton, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T02:00:00.000Z	38 \| good	6.597 \| good	29.121 \| good	22.018 \| good	0.542 \| good	18.733 \| good	0.297 \| good
2025-12-27T03:00:00.000Z	33 \| good	5.786 \| good	30.568 \| good	17.213 \| good	0.507 \| good	18.344 \| good	0.297 \| good
2025-12-27T04:00:00.000Z	32 \| good	5.447 \| good	34.944 \| good	15.746 \| good	0.524 \| good	12.279 \| good	0.297 \| good
2025-12-27T05:00:00.000Z	33 \| good	5.613 \| good	25.379 \| good	25.307 \| good	0.524 \| good	11.491 \| good	0.22 \| good
2025-12-27T06:00:00.000Z	27 \| good	4.971 \| good	18.488 \| good	27.352 \| good	0.532 \| good	8.667 \| good	0.215 \| good
2025-12-27T07:00:00.000Z	27 \| good	5.146 \| good	22.274 \| good	26.867 \| good	0.533 \| good	9.412 \| good	0.215 \| good
2025-12-27T08:00:00.000Z	27 \| good	5.304 \| good	21.631 \| good	28.536 \| good	0.458 \| good	6.62 \| good	0.215 \| good
2025-12-27T09:00:00.000Z	27 \| good	3.961 \| good	11.364 \| good	29.377 \| good	0.544 \| good	5.683 \| good	0.2 \| good
2025-12-27T10:00:00.000Z	26 \| good	3.317 \| good	7.871 \| good	28.206 \| good	0.485 \| good	5.11 \| good	0.222 \| good
2025-12-27T11:00:00.000Z	31 \| good	3.235 \| good	12.757 \| good	33.19 \| good	0.484 \| good	3.369 \| good	0.2 \| good
2025-12-27T12:00:00.000Z	28 \| good	3.092 \| good	10.283 \| good	30.454 \| good	0.485 \| good	3.337 \| good	0.2 \| good
2025-12-27T13:00:00.000Z	30 \| good	2.852 \| good	9.53 \| good	32.402 \| good	0.484 \| good	2.884 \| good	0.2 \| good
2025-12-27T14:00:00.000Z	31 \| good	2.873 \| good	10.404 \| good	34.073 \| good	0.467 \| good	2.974 \| good	0.26 \| good
2025-12-27T15:00:00.000Z	32 \| good	2.613 \| good	11.173 \| good	34.538 \| good	0.483 \| good	4.314 \| good	0.26 \| good
2025-12-27T16:00:00.000Z	29 \| good	2.616 \| good	11.357 \| good	31.402 \| good	0.479 \| good	2.77 \| good	0.215 \| good
2025-12-27T17:00:00.000Z	31 \| good	2.977 \| good	12.123 \| good	34.468 \| good	0.478 \| good	3.16 \| good	0.237 \| good
2025-12-27T18:00:00.000Z	32 \| good	2.894 \| good	12.59 \| good	35.286 \| good	0.513 \| good	3.442 \| good	0.215 \| good
2025-12-27T19:00:00.000Z	33 \| good	3.236 \| good	8.493 \| good	35.736 \| good	0.512 \| good	4.486 \| good	0.215 \| good
2025-12-27T20:00:00.000Z	32 \| good	2.847 \| good	10.537 \| good	35.038 \| good	0.495 \| good	6.385 \| good	0.215 \| good
2025-12-27T21:00:00.000Z	32 \| good	2.959 \| good	12.18 \| good	35.125 \| good	0.445 \| good	7.838 \| good	0.253 \| good
2025-12-27T22:00:00.000Z	31 \| good	2.877 \| good	4.856 \| good	32.519 \| good	0.442 \| good	7.908 \| good	0.29 \| good
2025-12-27T23:00:00.000Z	30 \| good	3.899 \| good	14.954 \| good	32.114 \| good	0.448 \| good	12.528 \| good	0.294 \| good
2025-12-28T00:00:00.000Z	33 \| good	6.024 \| good	25.174 \| good	26.778 \| good	0.474 \| good	14.526 \| good	0.347 \| good
2025-12-28T01:00:00.000Z	33 \| good	6.007 \| good	28.782 \| good	28.664 \| good	0.475 \| good	10.309 \| good	0.426 \| good
2025-12-28T02:00:00.000Z	26 \| good	4.48 \| good	19.476 \| good	27.569 \| good	0.557 \| good	14.474 \| good	0.455 \| good
2025-12-28T03:00:00.000Z	38 \| good	7.106 \| good	31.45 \| good	23.001 \| good	0.402 \| good	6.339 \| good	0.183 \| good
2025-12-28T04:00:00.000Z	44 \| good	7.983 \| good	31.704 \| good	25.013 \| good	0.511 \| good	11.593 \| good	0.375 \| good
2025-12-28T05:00:00.000Z	49 \| good	9.417 \| good	23.135 \| good	26.825 \| good	0.461 \| good	13.053 \| good	0.364 \| good
2025-12-28T06:00:00.000Z	49 \| good	9.051 \| good	22.59 \| good	27.728 \| good	0.466 \| good	11.798 \| good	0.352 \| good
2025-12-28T07:00:00.000Z	38 \| good	7.143 \| good	17.206 \| good	21.868 \| good	0.466 \| good	13.209 \| good	0.33 \| good
2025-12-28T08:00:00.000Z	44 \| good	8.244 \| good	15.74 \| good	22.288 \| good	0.483 \| good	12.595 \| good	0.272 \| good
2025-12-28T09:00:00.000Z	52 \| moderate	10.375 \| good	28.816 \| good	25.339 \| good	0.558 \| good	16.68 \| good	0.343 \| good
2025-12-28T10:00:00.000Z	52 \| moderate	9.588 \| good	14.081 \| good	30.306 \| good	0.628 \| good	20.266 \| good	0.354 \| good
2025-12-28T11:00:00.000Z	33 \| good	6.422 \| good	20.976 \| good	27.04 \| good	0.549 \| good	17.384 \| good	0.354 \| good
2025-12-28T12:00:00.000Z	54 \| moderate	10.929 \| good	31.811 \| good	19.649 \| good	0.586 \| good	17.544 \| good	0.343 \| good
2025-12-28T13:00:00.000Z	54 \| moderate	11.058 \| good	37.233 \| good	17.957 \| good	0.585 \| good	17.024 \| good	0.45 \| good
2025-12-28T14:00:00.000Z	60 \| moderate	13.726 \| fine	51.233 \| good	20.575 \| good	0.642 \| good	19.788 \| good	0.362 \| good
2025-12-28T15:00:00.000Z	56 \| moderate	11.597 \| good	45.079 \| good	36.751 \| good	0.507 \| good	10.359 \| good	0.269 \| good
2025-12-28T16:00:00.000Z	44 \| good	7.854 \| good	29.293 \| good	40.413 \| good	0.547 \| good	8.648 \| good	0.236 \| good
2025-12-28T17:00:00.000Z	33 \| good	5.582 \| good	32.021 \| good	34.141 \| good	0.482 \| good	5.64 \| good	0.221 \| good
2025-12-28T18:00:00.000Z	36 \| good	6.197 \| good	36.176 \| good	38.536 \| good	0.508 \| good	4.195 \| good	0.221 \| good
2025-12-28T19:00:00.000Z	39 \| good	6.845 \| good	37.392 \| good	41.962 \| good	0.502 \| good	4.877 \| good	0.221 \| good
2025-12-28T20:00:00.000Z	38 \| good	4.725 \| good	26.645 \| good	40.515 \| good	0.52 \| good	8.842 \| good	0.272 \| good
2025-12-28T21:00:00.000Z	36 \| good	4.368 \| good	22.771 \| good	38.693 \| good	0.539 \| good	11.163 \| good	0.251 \| good
2025-12-28T22:00:00.000Z	34 \| good	4.652 \| good	17.249 \| good	37.403 \| good	0.564 \| good	19.921 \| good	0.273 \| good
2025-12-28T23:00:00.000Z	49 \| good	8.567 \| good	32.717 \| good	31.972 \| good	0.584 \| good	25.155 \| good	0.358 \| good
2025-12-29T00:00:00.000Z	52 \| moderate	9.758 \| good	34.654 \| good	29.822 \| good	0.568 \| good	22.747 \| good	0.31 \| good
2025-12-29T01:00:00.000Z	44 \| good	7.709 \| good	26.313 \| good	29.861 \| good	0.561 \| good	23.322 \| good	0.316 \| good
2025-12-29T02:00:00.000Z	56 \| moderate	12.073 \| good	54.042 \| good	17.616 \| good	1.461 \| good	15.826 \| good	0.268 \| good
2025-12-29T03:00:00.000Z	58 \| moderate	12.998 \| fine	58.549 \| fine	20.403 \| good	1.687 \| good	15.456 \| good	0.26 \| good
2025-12-29T04:00:00.000Z	62 \| moderate	14.593 \| fine	65.28 \| fine	19.53 \| good	1.654 \| good	16.045 \| good	0.252 \| good
2025-12-29T05:00:00.000Z	66 \| moderate	16.947 \| fine	75.016 \| fine	13.19 \| good	1.621 \| good	16.633 \| good	0.244 \| good
2025-12-29T06:00:00.000Z	66 \| moderate	17.287 \| fine	77.073 \| fine	11.32 \| good	1.588 \| good	17.221 \| good	0.236 \| good
2025-12-29T07:00:00.000Z	62 \| moderate	15.062 \| fine	67.55 \| fine	13.849 \| good	1.228 \| good	13.776 \| good	0.214 \| good
2025-12-29T08:00:00.000Z	60 \| moderate	14.023 \| fine	63.456 \| fine	13.245 \| good	0.869 \| good	10.33 \| good	0.191 \| good
2025-12-29T09:00:00.000Z	58 \| moderate	13.498 \| fine	60.447 \| fine	11.625 \| good	0.509 \| good	6.885 \| good	0.168 \| good
2025-12-29T10:00:00.000Z	58 \| moderate	12.562 \| fine	56.666 \| fine	13.285 \| good	0.496 \| good	6.406 \| good	0.168 \| good
2025-12-29T11:00:00.000Z	54 \| moderate	11.479 \| good	51.13 \| good	12.844 \| good	0.483 \| good	5.926 \| good	0.167 \| good
2025-12-29T12:00:00.000Z	49 \| good	9.473 \| good	41.764 \| good	14.821 \| good	0.47 \| good	5.446 \| good	0.167 \| good
2025-12-29T13:00:00.000Z	38 \| good	7.399 \| good	32.602 \| good	16.347 \| good	0.639 \| good	5.917 \| good	0.174 \| good
2025-12-29T14:00:00.000Z	33 \| good	6.372 \| good	27.671 \| good	19.218 \| good	0.809 \| good	6.388 \| good	0.182 \| good
2025-12-29T15:00:00.000Z	27 \| good	5.379 \| good	23.459 \| good	20.824 \| good	0.979 \| good	6.859 \| good	0.19 \| good
2025-12-29T16:00:00.000Z	27 \| good	4.584 \| good	20.028 \| good	23.589 \| good	0.995 \| good	7.345 \| good	0.193 \| good
2025-12-29T17:00:00.000Z	27 \| good	5.291 \| good	22.79 \| good	22.52 \| good	1.01 \| good	7.832 \| good	0.196 \| good
2025-12-29T18:00:00.000Z	33 \| good	5.779 \| good	25.148 \| good	23.816 \| good	1.026 \| good	8.318 \| good	0.2 \| good
2025-12-29T19:00:00.000Z	38 \| good	6.562 \| good	29.457 \| good	23.192 \| good	1.072 \| good	9.604 \| good	0.207 \| good
2025-12-29T20:00:00.000Z	26 \| good	4.417 \| good	19.254 \| good	27.99 \| good	1.118 \| good	10.89 \| good	0.214 \| good
2025-12-29T21:00:00.000Z	32 \| good	3.675 \| good	16.132 \| good	35.343 \| good	1.164 \| good	12.176 \| good	0.222 \| good
2025-12-29T22:00:00.000Z	30 \| good	4.664 \| good	20.382 \| good	32.4 \| good	1.133 \| good	9.832 \| good	0.208 \| good
2025-12-29T23:00:00.000Z	31 \| good	5.063 \| good	21.871 \| good	33.327 \| good	1.103 \| good	7.489 \| good	0.194 \| good
2025-12-30T00:00:00.000Z	27 \| good	4.864 \| good	21.102 \| good	25.048 \| good	1.072 \| good	5.145 \| good	0.18 \| good
2025-12-30T01:00:00.000Z	23 \| good	3.887 \| good	17.195 \| good	24.513 \| good	0.85 \| good	4.179 \| good	0.177 \| good
2025-12-30T02:00:00.000Z	21 \| good	3.416 \| good	14.826 \| good	23.429 \| good	0.627 \| good	3.213 \| good	0.175 \| good
2025-12-30T03:00:00.000Z	23 \| good	3.294 \| good	14.115 \| good	24.848 \| good	0.405 \| good	2.247 \| good	0.172 \| good
2025-12-30T04:00:00.000Z	25 \| good	2.713 \| good	11.249 \| good	27.36 \| good	0.377 \| good	1.975 \| good	0.164 \| good
2025-12-30T05:00:00.000Z	27 \| good	2.166 \| good	9.034 \| good	29.286 \| good	0.349 \| good	1.702 \| good	0.156 \| good
2025-12-30T06:00:00.000Z	30 \| good	1.249 \| good	4.869 \| good	31.638 \| good	0.322 \| good	1.43 \| good	0.147 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.696 \| good	2.451 \| good	32.419 \| good	0.305 \| good	1.27 \| good	0.144 \| good
2025-12-30T08:00:00.000Z	30 \| good	0.123 \| good	0 \| good	31.671 \| good	0.287 \| good	1.109 \| good	0.141 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.233 \| good	0.7 \| good	32.68 \| good	0.27 \| good	0.949 \| good	0.137 \| good
2025-12-30T10:00:00.000Z	30 \| good	0.342 \| good	1 \| good	32.073 \| good	0.263 \| good	1.135 \| good	0.139 \| good
2025-12-30T11:00:00.000Z	29 \| good	0.317 \| good	1 \| good	31.23 \| good	0.255 \| good	1.322 \| good	0.141 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.31 \| good	1 \| good	30.746 \| good	0.247 \| good	1.508 \| good	0.142 \| good
2025-12-30T13:00:00.000Z	30 \| good	0.279 \| good	1 \| good	31.589 \| good	0.22 \| good	1.254 \| good	0.14 \| good
2025-12-30T14:00:00.000Z	30 \| good	0.257 \| good	1 \| good	31.901 \| good	0.193 \| good	1 \| good	0.137 \| good
2025-12-30T15:00:00.000Z	29 \| good	0.113 \| good	0.043 \| good	30.896 \| good	0.167 \| good	0.745 \| good	0.134 \| good
2025-12-30T16:00:00.000Z	30 \| good	0.284 \| good	1 \| good	31.813 \| good	0.164 \| good	0.723 \| good	0.133 \| good
2025-12-30T17:00:00.000Z	31 \| good	0.255 \| good	0.824 \| good	33.141 \| good	0.162 \| good	0.701 \| good	0.132 \| good
2025-12-30T18:00:00.000Z	31 \| good	0.115 \| good	0.053 \| good	32.785 \| good	0.16 \| good	0.679 \| good	0.132 \| good
2025-12-30T19:00:00.000Z	31 \| good	0.236 \| good	0.793 \| good	33.724 \| good	0.167 \| good	0.903 \| good	0.132 \| good
2025-12-30T20:00:00.000Z	32 \| good	0.21 \| good	0.501 \| good	34.907 \| good	0.173 \| good	1.127 \| good	0.133 \| good
2025-12-30T21:00:00.000Z	31 \| good	0.136 \| good	0.091 \| good	33.992 \| good	0.18 \| good	1.351 \| good	0.134 \| good
2025-12-30T22:00:00.000Z	33 \| good	0.387 \| good	1.451 \| good	35.894 \| good	0.212 \| good	1.473 \| good	0.134 \| good
2025-12-30T23:00:00.000Z	34 \| good	0.885 \| good	3.32 \| good	36.649 \| good	0.243 \| good	1.594 \| good	0.135 \| good
2025-12-31T00:00:00.000Z	36 \| good	1.219 \| good	1.268 \| good	38.682 \| good	0.27 \| good	1.688 \| good	0.136 \| good
2025-12-31T01:00:00.000Z	34 \| good	0.929 \| good	3.496 \| good	37.305 \| good	0.326 \| good	1.682 \| good	0.135 \| good

Groton

Empower business decisions with accurate air quality data

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

0.34ppm

How accurate is Massachusetts, USA air quality data?

Air quality measurements for Massachusetts, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

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

Air quality data for Groton, Massachusetts is updated on an hourly basis.

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

The worst air quality in Groton, Massachusetts was recorded at 02:00:00 on 2025-12-28.

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

The best air quality in Groton, Massachusetts was recorded at 02:00:00 on 2025-12-28.

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

The real-time air quality index in Groton, Massachusetts is 44, currently categorized as Good.

Which pollutant is found most often in Groton, Massachusetts?

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

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

If the air quality in Groton, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Groton, Massachusetts?

The measured PM_2.5 levels in Groton, Massachusetts at present are 7.709 μg/m³.

What are the current PM₁₀ levels at Groton, Massachusetts?

The current PM₁₀ levels in Groton, Massachusetts are 26.313 μg/m³.

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

The current carbon monoxide (CO) level in Groton, Massachusetts is 0.316 ppm.

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

The current sulfur dioxide (SO₂) levels in Groton, Massachusetts are 0.561 ppb.

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

The current ozone (O₃) levels at Groton, Massachusetts is 29.861 ppm.

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

The current nitrogen dioxide (NO₂) levels at Groton, Massachusetts is 23.322 ppb.

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