What is the current concentration of PM10 in Groton, Connecticut?

The current PM10 concentration at Groton, Connecticut is 16.297 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Groton, Connecticut?

The current sulfur dioxide (SO2) concentration at Groton, Connecticut is 0.703 ppb.

What is the current concentration of ozone (O3) in Groton, Connecticut?

The current ozone (O3) concentration at Groton, Connecticut is 52.023 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Groton, Connecticut?

The current nitrogen dioxide (NO2) concentration at Groton, Connecticut is 6.729 ppb.

Live air quality index in Groton, Connecticut today

Name: Live air pollution levels in Groton, Connecticut today
Creator: Ambee

Stay updated with real-time air quality in Groton, Connecticut 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, Connecticut

Last updated: ... (Local time)

Major air pollutants in Groton, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.30 μg/m³

155

255

425

605+

Ozone (O₃)

52.02 ppb

201

201+

Sulfur Dioxide (SO₂)

0.70 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Groton, Connecticut

Get Live Pollen Counts

Groton, Connecticut

Scroll To Air Quality Map

Track live Groton, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T00:00:00.000Z	50 \| good	6.3 \| good	15 \| good	54 \| good	0.456 \| good	7.557 \| good	0.311 \| good
2025-06-05T01:00:00.000Z	49 \| good	6.4 \| good	15 \| good	53 \| good	0.539 \| good	8.497 \| good	0.335 \| good
2025-06-05T02:00:00.000Z	51 \| moderate	6.5 \| good	15 \| good	55 \| fine	0.498 \| good	12.123 \| good	0.288 \| good
2025-06-05T03:00:00.000Z	46 \| good	6.5 \| good	15 \| good	50 \| good	0.336 \| good	10.159 \| good	0.291 \| good
2025-06-05T04:00:00.000Z	46 \| good	6.6 \| good	15 \| good	50 \| good	0.351 \| good	7.293 \| good	0.24 \| good
2025-06-05T05:00:00.000Z	47 \| good	6.7 \| good	15 \| good	51 \| good	0.638 \| good	10.781 \| good	0.177 \| good
2025-06-05T06:00:00.000Z	49 \| good	6.9 \| good	14 \| good	53 \| good	0.757 \| good	13.22 \| good	0.2 \| good
2025-06-05T07:00:00.000Z	49 \| good	7 \| good	14 \| good	53 \| good	0.356 \| good	6.773 \| good	0.214 \| good
2025-06-05T08:00:00.000Z	42 \| good	7.1 \| good	14 \| good	45 \| good	0.497 \| good	4.354 \| good	0.214 \| good
2025-06-05T09:00:00.000Z	39 \| good	7.4 \| good	14 \| good	42 \| good	0.532 \| good	10.165 \| good	0.2 \| good
2025-06-05T10:00:00.000Z	38 \| good	7.4 \| good	14 \| good	41 \| good	0.342 \| good	18.882 \| good	0.248 \| good
2025-06-05T11:00:00.000Z	44 \| good	8.1 \| good	15 \| good	41 \| good	0.318 \| good	18.079 \| good	0.342 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.6 \| good	16 \| good	38 \| good	0.377 \| good	17.3 \| good	0.427 \| good
2025-06-05T13:00:00.000Z	52 \| moderate	10.2 \| good	17 \| good	38 \| good	0.423 \| good	25.879 \| good	0.444 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.5 \| good	19 \| good	39 \| good	0.499 \| good	20.367 \| good	0.393 \| good
2025-06-05T15:00:00.000Z	56 \| moderate	12.3 \| fine	21 \| good	41 \| good	0.841 \| good	23.411 \| good	0.335 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	13.5 \| fine	24 \| good	45 \| good	0.741 \| good	30.562 \| good	0.335 \| good
2025-06-05T17:00:00.000Z	71 \| moderate	15 \| fine	25 \| good	61 \| fine	0.711 \| good	27.089 \| good	0.335 \| good
2025-06-05T18:00:00.000Z	71 \| moderate	16.3 \| fine	27 \| good	61 \| fine	0.697 \| good	20.647 \| good	0.357 \| good
2025-06-05T19:00:00.000Z	90 \| moderate	17.5 \| fine	29 \| good	67 \| fine	0.729 \| good	23.455 \| good	0.335 \| good
2025-06-05T20:00:00.000Z	112 \| sensitive	18.3 \| fine	31 \| good	74 \| moderate	0.591 \| good	16.853 \| good	0.356 \| good
2025-06-05T21:00:00.000Z	136 \| sensitive	17.7 \| fine	32 \| good	81 \| moderate	0.653 \| good	14.147 \| good	0.332 \| good
2025-06-05T22:00:00.000Z	140 \| sensitive	17.8 \| fine	31 \| good	82 \| moderate	0.59 \| good	5.677 \| good	0.402 \| good
2025-06-05T23:00:00.000Z	136 \| sensitive	17.7 \| fine	31 \| good	81 \| moderate	0.625 \| good	5.555 \| good	0.417 \| good
2025-06-06T00:00:00.000Z	115 \| sensitive	17.1 \| fine	29 \| good	75 \| moderate	0.561 \| good	6.606 \| good	0.417 \| good
2025-06-06T01:00:00.000Z	97 \| moderate	16.5 \| fine	28 \| good	69 \| fine	0.595 \| good	9.539 \| good	0.395 \| good
2025-06-06T02:00:00.000Z	84 \| moderate	15.4 \| fine	26 \| good	65 \| fine	0.545 \| good	8.992 \| good	0.371 \| good
2025-06-06T03:00:00.000Z	60 \| moderate	13.8 \| fine	24 \| good	56 \| fine	0.561 \| good	16.089 \| good	0.39 \| good
2025-06-06T04:00:00.000Z	58 \| moderate	12.7 \| fine	22 \| good	56 \| fine	0.535 \| good	11.307 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	56 \| moderate	11.9 \| good	21 \| good	53 \| good	0.382 \| good	11.486 \| good	0.279 \| good
2025-06-06T06:00:00.000Z	56 \| moderate	11.6 \| good	21 \| good	51 \| good	0.627 \| good	10.587 \| good	0.226 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	51 \| good	0.48 \| good	12.602 \| good	0.253 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11 \| good	20 \| good	43 \| good	0.487 \| good	7.615 \| good	0.205 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	11 \| good	21 \| good	40 \| good	0.62 \| good	9.944 \| good	0.243 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.1 \| good	21 \| good	36 \| good	0.504 \| good	18.997 \| good	0.243 \| good
2025-06-06T11:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	34 \| good	0.434 \| good	16.674 \| good	0.357 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	33 \| good	0.602 \| good	14.707 \| good	0.331 \| good
2025-06-06T13:00:00.000Z	58 \| moderate	12.7 \| fine	23 \| good	33 \| good	0.6 \| good	18.494 \| good	0.263 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.6 \| fine	29 \| good	32 \| good	0.638 \| good	16.761 \| good	0.265 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	16.7 \| fine	29 \| good	42 \| good	0.465 \| good	10.451 \| good	0.287 \| good
2025-06-06T16:00:00.000Z	69 \| moderate	18.8 \| fine	33 \| good	46 \| good	0.412 \| good	6.702 \| good	0.287 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.8 \| fine	32 \| good	60 \| fine	0.335 \| good	8.149 \| good	0.311 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	18.2 \| fine	30 \| good	59 \| fine	0.521 \| good	11.097 \| good	0.311 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	16.3 \| fine	27 \| good	65 \| fine	0.537 \| good	8.169 \| good	0.347 \| good
2025-06-06T20:00:00.000Z	74 \| moderate	14.2 \| fine	24 \| good	62 \| fine	0.417 \| good	7.484 \| good	0.305 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	12.2 \| fine	21 \| good	63 \| fine	0.446 \| good	9.781 \| good	0.352 \| good
2025-06-06T22:00:00.000Z	52 \| moderate	10 \| good	18 \| good	55 \| fine	0.581 \| good	8.386 \| good	0.33 \| good
2025-06-06T23:00:00.000Z	49 \| good	8.6 \| good	16 \| good	52 \| good	0.703 \| good	6.694 \| good	0.353 \| good
2025-06-06T23:00:00.000Z	49 \| good	8.635 \| good	16.297 \| good	52.023 \| good	0.703 \| good	6.729 \| good	0.353 \| good
2025-06-07T00:00:00.000Z	41 \| good	6.795 \| good	30.136 \| good	43.939 \| good	0.058 \| good	3.189 \| good	0.146 \| good
2025-06-07T01:00:00.000Z	38 \| good	6.142 \| good	27.135 \| good	40.815 \| good	0.088 \| good	2.408 \| good	0.135 \| good
2025-06-07T02:00:00.000Z	35 \| good	6.092 \| good	26.912 \| good	38.111 \| good	0.071 \| good	2.246 \| good	0.135 \| good
2025-06-07T03:00:00.000Z	35 \| good	4.379 \| good	19.097 \| good	37.833 \| good	0.053 \| good	2.083 \| good	0.135 \| good
2025-06-07T04:00:00.000Z	31 \| good	5.059 \| good	21.893 \| good	34.43 \| good	0.091 \| good	1.775 \| good	0.133 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.687 \| good	33.575 \| good	36.183 \| good	0.08 \| good	1.628 \| good	0.134 \| good
2025-06-07T06:00:00.000Z	44 \| good	8.14 \| good	35.582 \| good	39.749 \| good	0.069 \| good	1.481 \| good	0.134 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.513 \| good	33.18 \| good	39.067 \| good	0.161 \| good	1.606 \| good	0.129 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.191 \| good	31.467 \| good	37.355 \| good	0.139 \| good	1.464 \| good	0.129 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.991 \| good	39.784 \| good	35.541 \| good	0.118 \| good	1.323 \| good	0.129 \| good
2025-06-07T10:00:00.000Z	44 \| good	8.345 \| good	36.395 \| good	34.827 \| good	0.216 \| good	3.802 \| good	0.146 \| good
2025-06-07T11:00:00.000Z	44 \| good	7.6 \| good	33.396 \| good	35.627 \| good	0.189 \| good	3.504 \| good	0.144 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.522 \| good	42.566 \| good	34.768 \| good	0.162 \| good	3.206 \| good	0.142 \| good
2025-06-07T13:00:00.000Z	44 \| good	7.973 \| good	34.841 \| good	36.875 \| good	0.221 \| good	5.655 \| good	0.18 \| good
2025-06-07T14:00:00.000Z	49 \| good	8.799 \| good	38.605 \| good	38.733 \| good	0.195 \| good	5.034 \| good	0.172 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.48 \| good	36.964 \| good	39.479 \| good	0.17 \| good	4.414 \| good	0.163 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.395 \| good	42.11 \| good	42.635 \| good	0.207 \| good	5.199 \| good	0.198 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.134 \| good	35.726 \| good	42.982 \| good	0.172 \| good	4.154 \| good	0.178 \| good
2025-06-07T18:00:00.000Z	39 \| good	7.449 \| good	32.657 \| good	41.559 \| good	0.138 \| good	3.109 \| good	0.158 \| good
2025-06-07T19:00:00.000Z	41 \| good	6.841 \| good	29.944 \| good	44.318 \| good	0.142 \| good	5.544 \| good	0.191 \| good
2025-06-07T20:00:00.000Z	48 \| good	7.925 \| good	34.704 \| good	51.992 \| good	0.116 \| good	4.803 \| good	0.176 \| good
2025-06-07T21:00:00.000Z	52 \| moderate	10.115 \| good	44.742 \| good	53.566 \| good	0.089 \| good	4.061 \| good	0.16 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	9.602 \| good	42.517 \| good	55.092 \| fine	0.2 \| good	8.37 \| good	0.219 \| good
2025-06-07T23:00:00.000Z	56 \| moderate	11.887 \| good	53.616 \| good	48.877 \| good	0.165 \| good	7.666 \| good	0.203 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.021 \| good	40.004 \| good	46.388 \| good	0.129 \| good	6.962 \| good	0.188 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	9.532 \| good	42.208 \| good	42.125 \| good	0.346 \| good	7.431 \| good	0.26 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.149 \| good	31.685 \| good	36.985 \| good	0.291 \| good	7.444 \| good	0.247 \| good
2025-06-08T03:00:00.000Z	38 \| good	6.708 \| good	29.952 \| good	35.129 \| good	0.236 \| good	7.457 \| good	0.234 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.348 \| good	41.678 \| good	33.187 \| good	0.405 \| good	5.575 \| good	0.287 \| good
2025-06-08T05:00:00.000Z	56 \| moderate	11.818 \| good	52.373 \| good	24.844 \| good	0.358 \| good	5.732 \| good	0.277 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.697 \| fine	57.11 \| fine	22.181 \| good	0.311 \| good	5.89 \| good	0.268 \| good
2025-06-08T07:00:00.000Z	58 \| moderate	12.924 \| fine	58.267 \| fine	23.373 \| good	0.358 \| good	3.999 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	58 \| moderate	13.051 \| fine	58.911 \| fine	22.219 \| good	0.325 \| good	4.242 \| good	0.245 \| good
2025-06-08T09:00:00.000Z	60 \| moderate	13.573 \| fine	61 \| fine	23.326 \| good	0.291 \| good	4.484 \| good	0.23 \| good
2025-06-08T10:00:00.000Z	54 \| moderate	10.787 \| good	47.703 \| good	21.956 \| good	0.269 \| good	4.432 \| good	0.23 \| good
2025-06-08T11:00:00.000Z	49 \| good	8.884 \| good	38.963 \| good	23.401 \| good	0.247 \| good	4.57 \| good	0.218 \| good
2025-06-08T12:00:00.000Z	52 \| moderate	10.324 \| good	45.628 \| good	24.246 \| good	0.224 \| good	4.709 \| good	0.207 \| good
2025-06-08T13:00:00.000Z	52 \| moderate	9.73 \| good	43.484 \| good	25.639 \| good	0.255 \| good	4.626 \| good	0.239 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.296 \| good	50.414 \| good	35.671 \| good	0.257 \| good	4.404 \| good	0.233 \| good
2025-06-08T15:00:00.000Z	62 \| moderate	15.288 \| fine	67.462 \| fine	42.051 \| good	0.259 \| good	4.183 \| good	0.226 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	16.002 \| fine	71.119 \| fine	48.775 \| good	0.245 \| good	2.876 \| good	0.224 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	12.627 \| fine	56.928 \| fine	49.587 \| good	0.239 \| good	2.598 \| good	0.218 \| good
2025-06-08T18:00:00.000Z	56 \| moderate	12.139 \| fine	54.797 \| good	45.708 \| good	0.234 \| good	2.32 \| good	0.212 \| good
2025-06-08T19:00:00.000Z	58 \| moderate	13.337 \| fine	59.707 \| fine	39.793 \| good	0.206 \| good	3.486 \| good	0.211 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	13.232 \| fine	59.584 \| fine	39.709 \| good	0.191 \| good	3.003 \| good	0.209 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	11.243 \| good	49.512 \| good	42.634 \| good	0.176 \| good	2.52 \| good	0.207 \| good
2025-06-08T22:00:00.000Z	56 \| moderate	12.115 \| fine	54.317 \| good	44.737 \| good	0.175 \| good	3.272 \| good	0.247 \| good
2025-06-08T23:00:00.000Z	62 \| moderate	15.261 \| fine	68.729 \| fine	44.335 \| good	0.179 \| good	3.059 \| good	0.248 \| good

Groton

Get reliable air quality data to drive your business

Groton, Connecticut air quality map: Track AQI near you

0.35ppm

How accurate is Connecticut, USA air quality data?

Air quality data and pollutant measurements for Connecticut, 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 Groton, Connecticut updated?

The air quality for Groton, Connecticut is updated every hour.

When was the worst air quality at Groton, Connecticut in the last 24 hrs?

The worst air quality in Groton, Connecticut in the last 24 hours was observed at 11:00:00 on 2025-06-05.

When was the best air quality at Groton, Connecticut in the last 24 hrs?

In the last 24 hrs, the best air quality in Groton, Connecticut was observed at 10:00:00 on 2025-06-06.

What is the current air quality in Groton, Connecticut?

The current air quality in Groton, Connecticut is 49, categorized as Good based on real-time data.

What pollutant is the most common in Groton, Connecticut?

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

What should I do if the air quality in Groton, Connecticut is poor?

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

What is the current concentration of PM_2.5 in Groton, Connecticut?

The current PM_2.5 concentration at Groton, Connecticut is 8.635 μg/m³.

What is the current concentration of PM₁₀ in Groton, Connecticut?

The current PM₁₀ concentration at Groton, Connecticut is 16.297 μg/m³.

What is the current concentration of carbon monoxide (CO) in Groton, Connecticut?

The current carbon monoxide (CO) concentration at Groton, Connecticut is 0.353 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Groton, Connecticut?

The current sulfur dioxide (SO₂) concentration at Groton, Connecticut is 0.703 ppb.

What is the current concentration of ozone (O₃) in Groton, Connecticut?

The current ozone (O₃) concentration at Groton, Connecticut is 52.023 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Groton, Connecticut?

The current nitrogen dioxide (NO₂) concentration at Groton, Connecticut is 6.729 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T00:00:00.000Z	50 \| good	6.3 \| good	15 \| good	54 \| good	0.456 \| good	7.557 \| good	0.311 \| good
2025-06-05T01:00:00.000Z	49 \| good	6.4 \| good	15 \| good	53 \| good	0.539 \| good	8.497 \| good	0.335 \| good
2025-06-05T02:00:00.000Z	51 \| moderate	6.5 \| good	15 \| good	55 \| fine	0.498 \| good	12.123 \| good	0.288 \| good
2025-06-05T03:00:00.000Z	46 \| good	6.5 \| good	15 \| good	50 \| good	0.336 \| good	10.159 \| good	0.291 \| good
2025-06-05T04:00:00.000Z	46 \| good	6.6 \| good	15 \| good	50 \| good	0.351 \| good	7.293 \| good	0.24 \| good
2025-06-05T05:00:00.000Z	47 \| good	6.7 \| good	15 \| good	51 \| good	0.638 \| good	10.781 \| good	0.177 \| good
2025-06-05T06:00:00.000Z	49 \| good	6.9 \| good	14 \| good	53 \| good	0.757 \| good	13.22 \| good	0.2 \| good
2025-06-05T07:00:00.000Z	49 \| good	7 \| good	14 \| good	53 \| good	0.356 \| good	6.773 \| good	0.214 \| good
2025-06-05T08:00:00.000Z	42 \| good	7.1 \| good	14 \| good	45 \| good	0.497 \| good	4.354 \| good	0.214 \| good
2025-06-05T09:00:00.000Z	39 \| good	7.4 \| good	14 \| good	42 \| good	0.532 \| good	10.165 \| good	0.2 \| good
2025-06-05T10:00:00.000Z	38 \| good	7.4 \| good	14 \| good	41 \| good	0.342 \| good	18.882 \| good	0.248 \| good
2025-06-05T11:00:00.000Z	44 \| good	8.1 \| good	15 \| good	41 \| good	0.318 \| good	18.079 \| good	0.342 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.6 \| good	16 \| good	38 \| good	0.377 \| good	17.3 \| good	0.427 \| good
2025-06-05T13:00:00.000Z	52 \| moderate	10.2 \| good	17 \| good	38 \| good	0.423 \| good	25.879 \| good	0.444 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.5 \| good	19 \| good	39 \| good	0.499 \| good	20.367 \| good	0.393 \| good
2025-06-05T15:00:00.000Z	56 \| moderate	12.3 \| fine	21 \| good	41 \| good	0.841 \| good	23.411 \| good	0.335 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	13.5 \| fine	24 \| good	45 \| good	0.741 \| good	30.562 \| good	0.335 \| good
2025-06-05T17:00:00.000Z	71 \| moderate	15 \| fine	25 \| good	61 \| fine	0.711 \| good	27.089 \| good	0.335 \| good
2025-06-05T18:00:00.000Z	71 \| moderate	16.3 \| fine	27 \| good	61 \| fine	0.697 \| good	20.647 \| good	0.357 \| good
2025-06-05T19:00:00.000Z	90 \| moderate	17.5 \| fine	29 \| good	67 \| fine	0.729 \| good	23.455 \| good	0.335 \| good
2025-06-05T20:00:00.000Z	112 \| sensitive	18.3 \| fine	31 \| good	74 \| moderate	0.591 \| good	16.853 \| good	0.356 \| good
2025-06-05T21:00:00.000Z	136 \| sensitive	17.7 \| fine	32 \| good	81 \| moderate	0.653 \| good	14.147 \| good	0.332 \| good
2025-06-05T22:00:00.000Z	140 \| sensitive	17.8 \| fine	31 \| good	82 \| moderate	0.59 \| good	5.677 \| good	0.402 \| good
2025-06-05T23:00:00.000Z	136 \| sensitive	17.7 \| fine	31 \| good	81 \| moderate	0.625 \| good	5.555 \| good	0.417 \| good
2025-06-06T00:00:00.000Z	115 \| sensitive	17.1 \| fine	29 \| good	75 \| moderate	0.561 \| good	6.606 \| good	0.417 \| good
2025-06-06T01:00:00.000Z	97 \| moderate	16.5 \| fine	28 \| good	69 \| fine	0.595 \| good	9.539 \| good	0.395 \| good
2025-06-06T02:00:00.000Z	84 \| moderate	15.4 \| fine	26 \| good	65 \| fine	0.545 \| good	8.992 \| good	0.371 \| good
2025-06-06T03:00:00.000Z	60 \| moderate	13.8 \| fine	24 \| good	56 \| fine	0.561 \| good	16.089 \| good	0.39 \| good
2025-06-06T04:00:00.000Z	58 \| moderate	12.7 \| fine	22 \| good	56 \| fine	0.535 \| good	11.307 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	56 \| moderate	11.9 \| good	21 \| good	53 \| good	0.382 \| good	11.486 \| good	0.279 \| good
2025-06-06T06:00:00.000Z	56 \| moderate	11.6 \| good	21 \| good	51 \| good	0.627 \| good	10.587 \| good	0.226 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	51 \| good	0.48 \| good	12.602 \| good	0.253 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11 \| good	20 \| good	43 \| good	0.487 \| good	7.615 \| good	0.205 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	11 \| good	21 \| good	40 \| good	0.62 \| good	9.944 \| good	0.243 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.1 \| good	21 \| good	36 \| good	0.504 \| good	18.997 \| good	0.243 \| good
2025-06-06T11:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	34 \| good	0.434 \| good	16.674 \| good	0.357 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.3 \| good	21 \| good	33 \| good	0.602 \| good	14.707 \| good	0.331 \| good
2025-06-06T13:00:00.000Z	58 \| moderate	12.7 \| fine	23 \| good	33 \| good	0.6 \| good	18.494 \| good	0.263 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.6 \| fine	29 \| good	32 \| good	0.638 \| good	16.761 \| good	0.265 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	16.7 \| fine	29 \| good	42 \| good	0.465 \| good	10.451 \| good	0.287 \| good
2025-06-06T16:00:00.000Z	69 \| moderate	18.8 \| fine	33 \| good	46 \| good	0.412 \| good	6.702 \| good	0.287 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.8 \| fine	32 \| good	60 \| fine	0.335 \| good	8.149 \| good	0.311 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	18.2 \| fine	30 \| good	59 \| fine	0.521 \| good	11.097 \| good	0.311 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	16.3 \| fine	27 \| good	65 \| fine	0.537 \| good	8.169 \| good	0.347 \| good
2025-06-06T20:00:00.000Z	74 \| moderate	14.2 \| fine	24 \| good	62 \| fine	0.417 \| good	7.484 \| good	0.305 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	12.2 \| fine	21 \| good	63 \| fine	0.446 \| good	9.781 \| good	0.352 \| good
2025-06-06T22:00:00.000Z	52 \| moderate	10 \| good	18 \| good	55 \| fine	0.581 \| good	8.386 \| good	0.33 \| good
2025-06-06T23:00:00.000Z	49 \| good	8.6 \| good	16 \| good	52 \| good	0.703 \| good	6.694 \| good	0.353 \| good
2025-06-06T23:00:00.000Z	49 \| good	8.635 \| good	16.297 \| good	52.023 \| good	0.703 \| good	6.729 \| good	0.353 \| good
2025-06-07T00:00:00.000Z	41 \| good	6.795 \| good	30.136 \| good	43.939 \| good	0.058 \| good	3.189 \| good	0.146 \| good
2025-06-07T01:00:00.000Z	38 \| good	6.142 \| good	27.135 \| good	40.815 \| good	0.088 \| good	2.408 \| good	0.135 \| good
2025-06-07T02:00:00.000Z	35 \| good	6.092 \| good	26.912 \| good	38.111 \| good	0.071 \| good	2.246 \| good	0.135 \| good
2025-06-07T03:00:00.000Z	35 \| good	4.379 \| good	19.097 \| good	37.833 \| good	0.053 \| good	2.083 \| good	0.135 \| good
2025-06-07T04:00:00.000Z	31 \| good	5.059 \| good	21.893 \| good	34.43 \| good	0.091 \| good	1.775 \| good	0.133 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.687 \| good	33.575 \| good	36.183 \| good	0.08 \| good	1.628 \| good	0.134 \| good
2025-06-07T06:00:00.000Z	44 \| good	8.14 \| good	35.582 \| good	39.749 \| good	0.069 \| good	1.481 \| good	0.134 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.513 \| good	33.18 \| good	39.067 \| good	0.161 \| good	1.606 \| good	0.129 \| good
2025-06-07T08:00:00.000Z	38 \| good	7.191 \| good	31.467 \| good	37.355 \| good	0.139 \| good	1.464 \| good	0.129 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.991 \| good	39.784 \| good	35.541 \| good	0.118 \| good	1.323 \| good	0.129 \| good
2025-06-07T10:00:00.000Z	44 \| good	8.345 \| good	36.395 \| good	34.827 \| good	0.216 \| good	3.802 \| good	0.146 \| good
2025-06-07T11:00:00.000Z	44 \| good	7.6 \| good	33.396 \| good	35.627 \| good	0.189 \| good	3.504 \| good	0.144 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.522 \| good	42.566 \| good	34.768 \| good	0.162 \| good	3.206 \| good	0.142 \| good
2025-06-07T13:00:00.000Z	44 \| good	7.973 \| good	34.841 \| good	36.875 \| good	0.221 \| good	5.655 \| good	0.18 \| good
2025-06-07T14:00:00.000Z	49 \| good	8.799 \| good	38.605 \| good	38.733 \| good	0.195 \| good	5.034 \| good	0.172 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.48 \| good	36.964 \| good	39.479 \| good	0.17 \| good	4.414 \| good	0.163 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.395 \| good	42.11 \| good	42.635 \| good	0.207 \| good	5.199 \| good	0.198 \| good
2025-06-07T17:00:00.000Z	44 \| good	8.134 \| good	35.726 \| good	42.982 \| good	0.172 \| good	4.154 \| good	0.178 \| good
2025-06-07T18:00:00.000Z	39 \| good	7.449 \| good	32.657 \| good	41.559 \| good	0.138 \| good	3.109 \| good	0.158 \| good
2025-06-07T19:00:00.000Z	41 \| good	6.841 \| good	29.944 \| good	44.318 \| good	0.142 \| good	5.544 \| good	0.191 \| good
2025-06-07T20:00:00.000Z	48 \| good	7.925 \| good	34.704 \| good	51.992 \| good	0.116 \| good	4.803 \| good	0.176 \| good
2025-06-07T21:00:00.000Z	52 \| moderate	10.115 \| good	44.742 \| good	53.566 \| good	0.089 \| good	4.061 \| good	0.16 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	9.602 \| good	42.517 \| good	55.092 \| fine	0.2 \| good	8.37 \| good	0.219 \| good
2025-06-07T23:00:00.000Z	56 \| moderate	11.887 \| good	53.616 \| good	48.877 \| good	0.165 \| good	7.666 \| good	0.203 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.021 \| good	40.004 \| good	46.388 \| good	0.129 \| good	6.962 \| good	0.188 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	9.532 \| good	42.208 \| good	42.125 \| good	0.346 \| good	7.431 \| good	0.26 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.149 \| good	31.685 \| good	36.985 \| good	0.291 \| good	7.444 \| good	0.247 \| good
2025-06-08T03:00:00.000Z	38 \| good	6.708 \| good	29.952 \| good	35.129 \| good	0.236 \| good	7.457 \| good	0.234 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.348 \| good	41.678 \| good	33.187 \| good	0.405 \| good	5.575 \| good	0.287 \| good
2025-06-08T05:00:00.000Z	56 \| moderate	11.818 \| good	52.373 \| good	24.844 \| good	0.358 \| good	5.732 \| good	0.277 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.697 \| fine	57.11 \| fine	22.181 \| good	0.311 \| good	5.89 \| good	0.268 \| good
2025-06-08T07:00:00.000Z	58 \| moderate	12.924 \| fine	58.267 \| fine	23.373 \| good	0.358 \| good	3.999 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	58 \| moderate	13.051 \| fine	58.911 \| fine	22.219 \| good	0.325 \| good	4.242 \| good	0.245 \| good
2025-06-08T09:00:00.000Z	60 \| moderate	13.573 \| fine	61 \| fine	23.326 \| good	0.291 \| good	4.484 \| good	0.23 \| good
2025-06-08T10:00:00.000Z	54 \| moderate	10.787 \| good	47.703 \| good	21.956 \| good	0.269 \| good	4.432 \| good	0.23 \| good
2025-06-08T11:00:00.000Z	49 \| good	8.884 \| good	38.963 \| good	23.401 \| good	0.247 \| good	4.57 \| good	0.218 \| good
2025-06-08T12:00:00.000Z	52 \| moderate	10.324 \| good	45.628 \| good	24.246 \| good	0.224 \| good	4.709 \| good	0.207 \| good
2025-06-08T13:00:00.000Z	52 \| moderate	9.73 \| good	43.484 \| good	25.639 \| good	0.255 \| good	4.626 \| good	0.239 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.296 \| good	50.414 \| good	35.671 \| good	0.257 \| good	4.404 \| good	0.233 \| good
2025-06-08T15:00:00.000Z	62 \| moderate	15.288 \| fine	67.462 \| fine	42.051 \| good	0.259 \| good	4.183 \| good	0.226 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	16.002 \| fine	71.119 \| fine	48.775 \| good	0.245 \| good	2.876 \| good	0.224 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	12.627 \| fine	56.928 \| fine	49.587 \| good	0.239 \| good	2.598 \| good	0.218 \| good
2025-06-08T18:00:00.000Z	56 \| moderate	12.139 \| fine	54.797 \| good	45.708 \| good	0.234 \| good	2.32 \| good	0.212 \| good
2025-06-08T19:00:00.000Z	58 \| moderate	13.337 \| fine	59.707 \| fine	39.793 \| good	0.206 \| good	3.486 \| good	0.211 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	13.232 \| fine	59.584 \| fine	39.709 \| good	0.191 \| good	3.003 \| good	0.209 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	11.243 \| good	49.512 \| good	42.634 \| good	0.176 \| good	2.52 \| good	0.207 \| good
2025-06-08T22:00:00.000Z	56 \| moderate	12.115 \| fine	54.317 \| good	44.737 \| good	0.175 \| good	3.272 \| good	0.247 \| good
2025-06-08T23:00:00.000Z	62 \| moderate	15.261 \| fine	68.729 \| fine	44.335 \| good	0.179 \| good	3.059 \| good	0.248 \| good

Live air quality index in Groton, Connecticut today

Major air pollutants in Groton, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Groton, Connecticut air quality map: Track AQI near you

Air quality in nearby cities

New London, Connecticut

Waterford, Connecticut

Ledyard, Connecticut

East Lyme, Connecticut

Montville, Connecticut

Stonington, Connecticut

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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