What are the current PM10 levels at Groton, Massachusetts?

The current PM10 levels in Groton, Massachusetts are 9.641 μg/m3.

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

The current sulfur dioxide (SO2) levels in Groton, Massachusetts are 0.719 ppb.

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

The current ozone (O3) levels at Groton, Massachusetts is 15.283 ppm.

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

The current nitrogen dioxide (NO2) levels at Groton, Massachusetts is 3.594 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 4.185 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)

1.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.34 μg/m³

155

255

425

605+

Ozone (O₃)

33.27 ppb

201

201+

Sulfur Dioxide (SO₂)

0.79 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 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
2026-10-04T00:00:00.000Z	27 \| good	5.001 \| good	18.969 \| good	21.931 \| good	0.711 \| good	7.318 \| good	0.251 \| good
2026-10-04T01:00:00.000Z	33 \| good	5.805 \| good	24.315 \| good	17.547 \| good	0.695 \| good	6.998 \| good	0.258 \| good
2026-10-04T02:00:00.000Z	33 \| good	5.897 \| good	24.835 \| good	15.257 \| good	0.662 \| good	6.878 \| good	0.258 \| good
2026-10-04T03:00:00.000Z	49 \| good	8.565 \| good	37.683 \| good	8.39 \| good	0.662 \| good	18.201 \| good	0.264 \| good
2026-10-04T04:00:00.000Z	27 \| good	4.942 \| good	28.484 \| good	11.582 \| good	0.677 \| good	11.912 \| good	0.35 \| good
2026-10-04T05:00:00.000Z	31 \| good	5.093 \| good	32.767 \| good	7.828 \| good	0.667 \| good	12.004 \| good	0.435 \| good
2026-10-04T06:00:00.000Z	30 \| good	5.393 \| good	32.074 \| good	8.393 \| good	0.695 \| good	7.952 \| good	0.42 \| good
2026-10-04T07:00:00.000Z	22 \| good	4.473 \| good	18.095 \| good	6.42 \| good	0.691 \| good	8.348 \| good	0.42 \| good
2026-10-04T08:00:00.000Z	27 \| good	4.634 \| good	10.963 \| good	10.11 \| good	0.641 \| good	7.608 \| good	0.314 \| good
2026-10-04T09:00:00.000Z	22 \| good	4.395 \| good	11.212 \| good	9.544 \| good	0.633 \| good	6.636 \| good	0.25 \| good
2026-10-04T10:00:00.000Z	38 \| good	6.946 \| good	9.962 \| good	5.043 \| good	0.629 \| good	5.644 \| good	0.207 \| good
2026-10-04T11:00:00.000Z	27 \| good	5.029 \| good	12.466 \| good	7.115 \| good	0.644 \| good	4.792 \| good	0.207 \| good
2026-10-04T12:00:00.000Z	38 \| good	6.971 \| good	24.427 \| good	9.56 \| good	0.727 \| good	3.776 \| good	0.207 \| good
2026-10-04T13:00:00.000Z	15 \| good	1.786 \| good	7.696 \| good	15.701 \| good	0.363 \| good	4.163 \| good	0.191 \| good
2026-10-04T14:00:00.000Z	22 \| good	4.333 \| good	13.719 \| good	11.747 \| good	0.663 \| good	2.657 \| good	0.186 \| good
2026-10-04T15:00:00.000Z	22 \| good	3.957 \| good	14.81 \| good	18.258 \| good	0.696 \| good	2.101 \| good	0.186 \| good
2026-10-04T16:00:00.000Z	22 \| good	4.462 \| good	13.063 \| good	13.201 \| good	0.732 \| good	1.758 \| good	0.186 \| good
2026-10-04T17:00:00.000Z	22 \| good	3.688 \| good	9.197 \| good	18.615 \| good	0.633 \| good	1.67 \| good	0.186 \| good
2026-10-04T18:00:00.000Z	22 \| good	3.56 \| good	13.107 \| good	17.945 \| good	0.664 \| good	2.153 \| good	0.186 \| good
2026-10-04T19:00:00.000Z	22 \| good	3.542 \| good	11.442 \| good	23.818 \| good	0.647 \| good	2.948 \| good	0.158 \| good
2026-10-04T20:00:00.000Z	22 \| good	3.507 \| good	13.503 \| good	23.039 \| good	0.662 \| good	3.201 \| good	0.158 \| good
2026-10-04T21:00:00.000Z	22 \| good	3.629 \| good	14.184 \| good	20.963 \| good	0.725 \| good	3.106 \| good	0.158 \| good
2026-10-04T22:00:00.000Z	22 \| good	3.897 \| good	13.391 \| good	22.244 \| good	0.678 \| good	3.109 \| good	0.158 \| good
2026-10-04T23:00:00.000Z	22 \| good	4.107 \| good	18.43 \| good	22.844 \| good	0.68 \| good	3.941 \| good	0.158 \| good
2026-10-05T00:00:00.000Z	22 \| good	4.478 \| good	14.55 \| good	16.851 \| good	0.695 \| good	4.417 \| good	0.186 \| good
2026-10-05T01:00:00.000Z	22 \| good	4.131 \| good	19.111 \| good	17.475 \| good	0.664 \| good	3.782 \| good	0.186 \| good
2026-10-05T02:00:00.000Z	22 \| good	3.559 \| good	13.852 \| good	17.449 \| good	0.775 \| good	5.996 \| good	0.2 \| good
2026-10-05T03:00:00.000Z	16 \| good	3.246 \| good	14.155 \| good	7.002 \| good	0.645 \| good	14.141 \| good	0.225 \| good
2026-10-05T04:00:00.000Z	27 \| good	4.968 \| good	17.476 \| good	10.424 \| good	0.738 \| good	4.324 \| good	0.186 \| good
2026-10-05T05:00:00.000Z	27 \| good	4.861 \| good	16.181 \| good	10.267 \| good	0.649 \| good	3.873 \| good	0.186 \| good
2026-10-05T06:00:00.000Z	27 \| good	4.912 \| good	18.56 \| good	12.618 \| good	0.665 \| good	2.976 \| good	0.186 \| good
2026-10-05T07:00:00.000Z	27 \| good	4.974 \| good	15.278 \| good	9.542 \| good	0.665 \| good	1.811 \| good	0.186 \| good
2026-10-05T08:00:00.000Z	27 \| good	5.034 \| good	18.049 \| good	12.167 \| good	0.874 \| good	2.852 \| good	0.177 \| good
2026-10-05T09:00:00.000Z	27 \| good	5.169 \| good	21.117 \| good	10.434 \| good	0.976 \| good	2.864 \| good	0.177 \| good
2026-10-05T10:00:00.000Z	27 \| good	5.334 \| good	20.047 \| good	10.244 \| good	0.656 \| good	4.571 \| good	0.244 \| good
2026-10-05T11:00:00.000Z	27 \| good	5.055 \| good	11.511 \| good	7.877 \| good	0.67 \| good	4.599 \| good	0.228 \| good
2026-10-05T12:00:00.000Z	27 \| good	4.524 \| good	13.714 \| good	9.39 \| good	0.656 \| good	5.663 \| good	0.229 \| good
2026-10-05T13:00:00.000Z	27 \| good	5.356 \| good	19.103 \| good	12.381 \| good	0.656 \| good	3.673 \| good	0.229 \| good
2026-10-05T14:00:00.000Z	27 \| good	4.715 \| good	20.166 \| good	17.27 \| good	0.703 \| good	2.708 \| good	0.2 \| good
2026-10-05T15:00:00.000Z	22 \| good	4.038 \| good	13.309 \| good	15.897 \| good	0.719 \| good	2.304 \| good	0.2 \| good
2026-10-05T16:00:00.000Z	22 \| good	4.185 \| good	9.641 \| good	15.283 \| good	0.719 \| good	3.594 \| good	0.2 \| good
2026-10-05T17:00:00.000Z	22 \| good	3.618 \| good	8.645 \| good	22.16 \| good	0.802 \| good	2.936 \| good	0.196 \| good
2026-10-05T18:00:00.000Z	27 \| good	3.214 \| good	12.556 \| good	28.597 \| good	0.736 \| good	2.228 \| good	0.185 \| good
2026-10-05T19:00:00.000Z	29 \| good	2.624 \| good	8.774 \| good	31.46 \| good	0.696 \| good	2.312 \| good	0.14 \| good
2026-10-05T20:00:00.000Z	31 \| good	2.223 \| good	7.358 \| good	32.972 \| good	0.751 \| good	1.694 \| good	0.137 \| good
2026-10-05T21:00:00.000Z	29 \| good	1.795 \| good	8.18 \| good	30.817 \| good	0.705 \| good	1.868 \| good	0.16 \| good
2026-10-05T22:00:00.000Z	31 \| good	1.788 \| good	8.483 \| good	33.215 \| good	0.789 \| good	1.753 \| good	0.15 \| good
2026-10-05T23:00:00.000Z	31 \| good	1.501 \| good	7.336 \| good	33.274 \| good	0.789 \| good	2.895 \| good	0.15 \| good
2026-10-05T23:00:00.000Z	31 \| good	1.501 \| good	7.336 \| good	33.274 \| good	0.789 \| good	2.895 \| good	0.15 \| good
2026-10-05T17:00:00.000Z	32 \| good	0.206 \| good	0.884 \| good	35.208 \| good	0.403 \| good	0.522 \| good	0.146 \| good
2026-10-05T18:00:00.000Z	32 \| good	0.204 \| good	0.766 \| good	35.113 \| good	0.392 \| good	0.471 \| good	0.136 \| good
2026-10-05T19:00:00.000Z	31 \| good	0.08 \| good	0.026 \| good	33.73 \| good	0.356 \| good	0.476 \| good	0.13 \| good
2026-10-05T20:00:00.000Z	29 \| good	0.19 \| good	0.315 \| good	30.645 \| good	0.327 \| good	0.54 \| good	0.127 \| good
2026-10-05T21:00:00.000Z	27 \| good	0.413 \| good	1.889 \| good	28.6 \| good	0.312 \| good	0.781 \| good	0.128 \| good
2026-10-05T22:00:00.000Z	24 \| good	0.359 \| good	1.032 \| good	25.954 \| good	0.303 \| good	1.168 \| good	0.129 \| good
2026-10-05T23:00:00.000Z	23 \| good	0.093 \| good	0 \| good	25.052 \| good	0.303 \| good	1.623 \| good	0.132 \| good
2026-10-06T00:00:00.000Z	19 \| good	0.43 \| good	1.823 \| good	21.271 \| good	0.304 \| good	1.927 \| good	0.134 \| good
2026-10-06T01:00:00.000Z	16 \| good	0.123 \| good	0.108 \| good	17.449 \| good	0.292 \| good	2.05 \| good	0.136 \| good
2026-10-06T02:00:00.000Z	16 \| good	0.204 \| good	0.316 \| good	16.511 \| good	0.262 \| good	2.101 \| good	0.138 \| good
2026-10-06T03:00:00.000Z	17 \| good	0.047 \| good	0 \| good	17.794 \| good	0.221 \| good	2.008 \| good	0.14 \| good
2026-10-06T04:00:00.000Z	17 \| good	0.162 \| good	0.023 \| good	17.946 \| good	0.18 \| good	1.654 \| good	0.139 \| good
2026-10-06T05:00:00.000Z	17 \| good	0.68 \| good	2.129 \| good	17.655 \| good	0.159 \| good	1.455 \| good	0.138 \| good
2026-10-06T06:00:00.000Z	19 \| good	0.715 \| good	2.884 \| good	19.576 \| good	0.154 \| good	1.402 \| good	0.137 \| good
2026-10-06T07:00:00.000Z	20 \| good	1.312 \| good	5.059 \| good	21.939 \| good	0.16 \| good	1.382 \| good	0.136 \| good
2026-10-06T08:00:00.000Z	20 \| good	1.284 \| good	5.087 \| good	22.355 \| good	0.167 \| good	1.31 \| good	0.134 \| good
2026-10-06T09:00:00.000Z	20 \| good	0.756 \| good	2.936 \| good	22.058 \| good	0.176 \| good	1.224 \| good	0.132 \| good
2026-10-06T10:00:00.000Z	21 \| good	0.526 \| good	2 \| good	23.233 \| good	0.187 \| good	1.235 \| good	0.131 \| good
2026-10-06T11:00:00.000Z	21 \| good	0.209 \| good	0.806 \| good	22.93 \| good	0.206 \| good	1.703 \| good	0.134 \| good
2026-10-06T12:00:00.000Z	23 \| good	0.18 \| good	0.124 \| good	24.754 \| good	0.214 \| good	1.829 \| good	0.138 \| good
2026-10-06T13:00:00.000Z	23 \| good	0.53 \| good	2 \| good	24.822 \| good	0.203 \| good	1.101 \| good	0.133 \| good
2026-10-06T14:00:00.000Z	23 \| good	0.277 \| good	1 \| good	24.869 \| good	0.193 \| good	0.795 \| good	0.131 \| good
2026-10-06T15:00:00.000Z	23 \| good	0.684 \| good	2.137 \| good	24.8 \| good	0.193 \| good	0.639 \| good	0.13 \| good
2026-10-06T16:00:00.000Z	23 \| good	0.873 \| good	3.03 \| good	25.051 \| good	0.209 \| good	0.54 \| good	0.13 \| good
2026-10-06T17:00:00.000Z	24 \| good	0.763 \| good	3 \| good	26.492 \| good	0.239 \| good	0.501 \| good	0.129 \| good
2026-10-06T18:00:00.000Z	26 \| good	0.491 \| good	2 \| good	27.819 \| good	0.273 \| good	0.505 \| good	0.129 \| good
2026-10-06T19:00:00.000Z	27 \| good	0.544 \| good	2 \| good	28.715 \| good	0.301 \| good	0.529 \| good	0.13 \| good
2026-10-06T20:00:00.000Z	24 \| good	0.712 \| good	2.789 \| good	25.92 \| good	0.314 \| good	0.619 \| good	0.131 \| good
2026-10-06T21:00:00.000Z	23 \| good	0.777 \| good	2.935 \| good	25.205 \| good	0.316 \| good	0.92 \| good	0.134 \| good
2026-10-06T22:00:00.000Z	18 \| good	0.89 \| good	3.137 \| good	19.375 \| good	0.315 \| good	2.346 \| good	0.146 \| good
2026-10-06T23:00:00.000Z	17 \| good	1.039 \| good	3.937 \| good	17.677 \| good	0.339 \| good	5.093 \| good	0.168 \| good
2026-10-07T00:00:00.000Z	19 \| good	0.482 \| good	1.946 \| good	21.376 \| good	0.37 \| good	6.619 \| good	0.18 \| good
2026-10-07T01:00:00.000Z	18 \| good	0.732 \| good	2.861 \| good	19.005 \| good	0.381 \| good	6.795 \| good	0.18 \| good
2026-10-07T02:00:00.000Z	15 \| good	0.714 \| good	2.845 \| good	16.147 \| good	0.386 \| good	6.56 \| good	0.178 \| good
2026-10-07T03:00:00.000Z	15 \| good	0.726 \| good	2.821 \| good	16.19 \| good	0.379 \| good	6.044 \| good	0.174 \| good
2026-10-07T04:00:00.000Z	15 \| good	0.952 \| good	3.875 \| good	16.241 \| good	0.357 \| good	5.106 \| good	0.169 \| good
2026-10-07T05:00:00.000Z	14 \| good	1.436 \| good	5.862 \| good	15.088 \| good	0.343 \| good	4.489 \| good	0.164 \| good
2026-10-07T06:00:00.000Z	12 \| good	1.395 \| good	5.832 \| good	12.637 \| good	0.34 \| good	4.428 \| good	0.162 \| good
2026-10-07T07:00:00.000Z	11 \| good	1.812 \| good	7.716 \| good	10.953 \| good	0.341 \| good	5.057 \| good	0.166 \| good
2026-10-07T08:00:00.000Z	11 \| good	2.08 \| good	8.809 \| good	9.172 \| good	0.346 \| good	6.019 \| good	0.172 \| good
2026-10-07T09:00:00.000Z	16 \| good	2.564 \| good	10.201 \| good	9.723 \| good	0.352 \| good	7.211 \| good	0.18 \| good
2026-10-07T10:00:00.000Z	11 \| good	2.26 \| good	8.985 \| good	8.355 \| good	0.367 \| good	8.51 \| good	0.19 \| good
2026-10-07T11:00:00.000Z	11 \| good	2.446 \| good	9.962 \| good	8.097 \| good	0.42 \| good	10.32 \| good	0.21 \| good
2026-10-07T12:00:00.000Z	16 \| good	3.366 \| good	14.78 \| good	12.597 \| good	0.433 \| good	9.129 \| good	0.228 \| good
2026-10-07T13:00:00.000Z	19 \| good	2.749 \| good	11.101 \| good	19.869 \| good	0.379 \| good	6.148 \| good	0.211 \| good
2026-10-07T14:00:00.000Z	22 \| good	2.531 \| good	10.239 \| good	24.073 \| good	0.384 \| good	3.509 \| good	0.173 \| good
2026-10-07T15:00:00.000Z	24 \| good	3.163 \| good	14.021 \| good	26.042 \| good	0.425 \| good	2.09 \| good	0.157 \| good
2026-10-07T16:00:00.000Z	28 \| good	3.732 \| good	16.054 \| good	29.6 \| good	0.453 \| good	1.43 \| good	0.153 \| good

Groton

Empower business decisions with accurate air quality data

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

0.20ppm

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 2026-10-05.

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

The best air quality in Groton, Massachusetts was recorded at 03:00:00 on 2026-10-05.

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

The real-time air quality index in Groton, Massachusetts is 22, 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 4.185 μg/m³.

What are the current PM₁₀ levels at Groton, Massachusetts?

The current PM₁₀ levels in Groton, Massachusetts are 9.641 μg/m³.

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

The current carbon monoxide (CO) level in Groton, Massachusetts is 0.2 ppm.

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

The current sulfur dioxide (SO₂) levels in Groton, Massachusetts are 0.719 ppb.

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

The current ozone (O₃) levels at Groton, Massachusetts is 15.283 ppm.

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

The current nitrogen dioxide (NO₂) levels at Groton, Massachusetts is 3.594 ppb.

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