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

The current PM10 concentration at Griswold, Connecticut is 15.011 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Griswold, Connecticut is 0.161 ppb.

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

The current ozone (O3) concentration at Griswold, Connecticut is 16.541 ppm.

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

The current nitrogen dioxide (NO2) concentration at Griswold, Connecticut is 5.83 ppb.

Griswold, Connecticut live air quality index now

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

Stay updated with real-time air quality in Griswold, 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

Griswold, Connecticut

Last updated: ... (Local time)

Major air pollutants in Griswold, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.29 μg/m³

155

255

425

605+

Ozone (O₃)

25.21 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.86 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Griswold, Connecticut

Get Live Pollen Counts

Griswold, Connecticut

Scroll To Air Quality Map

Track live Griswold, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T06:00:00.000Z	27 \| good	5.19 \| good	29.04 \| good	23.568 \| good	0.28 \| good	16.807 \| good	0.351 \| good
2025-09-12T07:00:00.000Z	38 \| good	7.28 \| good	24.651 \| good	23.096 \| good	0.238 \| good	15.647 \| good	0.35 \| good
2025-09-12T08:00:00.000Z	33 \| good	6.089 \| good	26.404 \| good	15.661 \| good	0.236 \| good	8.516 \| good	0.213 \| good
2025-09-12T09:00:00.000Z	22 \| good	3.85 \| good	15.011 \| good	16.541 \| good	0.161 \| good	5.83 \| good	0.244 \| good
2025-09-12T10:00:00.000Z	22 \| good	4.441 \| good	19.504 \| good	10.132 \| good	0.249 \| good	7.948 \| good	0.311 \| good
2025-09-12T11:00:00.000Z	22 \| good	4.378 \| good	21.834 \| good	11.359 \| good	0.288 \| good	13.098 \| good	0.338 \| good
2025-09-12T12:00:00.000Z	27 \| good	5.31 \| good	22.544 \| good	22.351 \| good	0.178 \| good	11.765 \| good	0.351 \| good
2025-09-12T13:00:00.000Z	44 \| good	7.541 \| good	33.61 \| good	21.12 \| good	0.196 \| good	8.598 \| good	0.287 \| good
2025-09-12T14:00:00.000Z	22 \| good	4.431 \| good	11.115 \| good	23.997 \| good	0.177 \| good	6.097 \| good	0.228 \| good
2025-09-12T15:00:00.000Z	27 \| good	4.938 \| good	13.469 \| good	28.309 \| good	0.241 \| good	4.055 \| good	0.228 \| good
2025-09-12T16:00:00.000Z	33 \| good	5.657 \| good	14.141 \| good	27.125 \| good	0.243 \| good	3.628 \| good	0.208 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.352 \| good	15.634 \| good	30.009 \| good	0.199 \| good	3.307 \| good	0.185 \| good
2025-09-12T18:00:00.000Z	33 \| good	6.098 \| good	19.056 \| good	33.561 \| good	0.199 \| good	2.663 \| good	0.185 \| good
2025-09-12T19:00:00.000Z	35 \| good	6.019 \| good	20.386 \| good	37.895 \| good	0.258 \| good	3.132 \| good	0.208 \| good
2025-09-12T20:00:00.000Z	34 \| good	5.895 \| good	15.644 \| good	37.411 \| good	0.242 \| good	3.547 \| good	0.185 \| good
2025-09-12T21:00:00.000Z	32 \| good	4.641 \| good	19.397 \| good	35.408 \| good	0.223 \| good	3.278 \| good	0.205 \| good
2025-09-12T22:00:00.000Z	31 \| good	4.718 \| good	21.42 \| good	33.141 \| good	0.244 \| good	3.532 \| good	0.205 \| good
2025-09-12T23:00:00.000Z	31 \| good	5.371 \| good	18.242 \| good	32.936 \| good	0.16 \| good	3.838 \| good	0.228 \| good
2025-09-13T00:00:00.000Z	29 \| good	5.326 \| good	22.741 \| good	31.29 \| good	0.206 \| good	2.717 \| good	0.246 \| good
2025-09-13T01:00:00.000Z	28 \| good	4.749 \| good	20.928 \| good	30.049 \| good	0.29 \| good	3.11 \| good	0.266 \| good
2025-09-13T02:00:00.000Z	27 \| good	4.893 \| good	19.258 \| good	28.694 \| good	0.231 \| good	4.232 \| good	0.246 \| good
2025-09-13T03:00:00.000Z	22 \| good	4.192 \| good	15.412 \| good	21.642 \| good	0.218 \| good	4.647 \| good	0.29 \| good
2025-09-13T04:00:00.000Z	22 \| good	3.662 \| good	12.644 \| good	23.936 \| good	0.231 \| good	6.184 \| good	0.404 \| good
2025-09-13T05:00:00.000Z	22 \| good	4.12 \| good	14.081 \| good	22.605 \| good	0.23 \| good	10.565 \| good	0.367 \| good
2025-09-13T06:00:00.000Z	22 \| good	4.1 \| good	14.991 \| good	22.065 \| good	0.251 \| good	11.986 \| good	0.323 \| good
2025-09-13T07:00:00.000Z	27 \| good	4.552 \| good	15.574 \| good	21.371 \| good	0.211 \| good	10.914 \| good	0.347 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.024 \| good	11.097 \| good	14.982 \| good	0.178 \| good	12.127 \| good	0.365 \| good
2025-09-13T09:00:00.000Z	27 \| good	4.612 \| good	11.867 \| good	16.504 \| good	0.248 \| good	8.489 \| good	0.329 \| good
2025-09-13T10:00:00.000Z	52 \| moderate	9.531 \| good	17.381 \| good	9.702 \| good	0.274 \| good	12.212 \| good	0.356 \| good
2025-09-13T11:00:00.000Z	27 \| good	5.255 \| good	14.857 \| good	8.603 \| good	0.259 \| good	10.674 \| good	0.4 \| good
2025-09-13T12:00:00.000Z	27 \| good	5.163 \| good	13.325 \| good	6.164 \| good	0.16 \| good	9.964 \| good	0.42 \| good
2025-09-13T13:00:00.000Z	22 \| good	4.328 \| good	10.025 \| good	9.842 \| good	0.157 \| good	9.023 \| good	0.328 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.962 \| good	14.598 \| good	14.817 \| good	0.245 \| good	6.247 \| good	0.284 \| good
2025-09-13T15:00:00.000Z	24 \| good	3.986 \| good	12.06 \| good	26.058 \| good	0.158 \| good	4.187 \| good	0.249 \| good
2025-09-13T16:00:00.000Z	27 \| good	5.241 \| good	21.361 \| good	27.665 \| good	0.136 \| good	3.211 \| good	0.249 \| good
2025-09-13T17:00:00.000Z	27 \| good	5.02 \| good	22.029 \| good	29.35 \| good	0.159 \| good	2.704 \| good	0.246 \| good
2025-09-13T18:00:00.000Z	33 \| good	3.221 \| good	17.783 \| good	35.656 \| good	0.172 \| good	2.236 \| good	0.262 \| good
2025-09-13T19:00:00.000Z	38 \| good	3.352 \| good	11.598 \| good	40.557 \| good	0.137 \| good	2.003 \| good	0.226 \| good
2025-09-13T20:00:00.000Z	38 \| good	4.118 \| good	13.172 \| good	41.287 \| good	0.202 \| good	2.429 \| good	0.226 \| good
2025-09-13T21:00:00.000Z	36 \| good	4.046 \| good	16.47 \| good	39.266 \| good	0.248 \| good	4.501 \| good	0.226 \| good
2025-09-13T22:00:00.000Z	38 \| good	3.721 \| good	16.526 \| good	41.456 \| good	0.253 \| good	2.116 \| good	0.226 \| good
2025-09-13T23:00:00.000Z	30 \| good	3.615 \| good	12.076 \| good	31.991 \| good	0.253 \| good	2.647 \| good	0.246 \| good
2025-09-14T00:00:00.000Z	31 \| good	3.185 \| good	15.612 \| good	33.269 \| good	0.252 \| good	3.338 \| good	0.269 \| good
2025-09-14T01:00:00.000Z	30 \| good	3.454 \| good	17.009 \| good	32.017 \| good	0.313 \| good	3.923 \| good	0.273 \| good
2025-09-14T02:00:00.000Z	30 \| good	3.524 \| good	16.282 \| good	31.62 \| good	0.249 \| good	4.009 \| good	0.296 \| good
2025-09-14T03:00:00.000Z	17 \| good	3.324 \| good	14.38 \| good	18.492 \| good	0.302 \| good	3.406 \| good	0.151 \| good
2025-09-14T04:00:00.000Z	31 \| good	4.261 \| good	18.971 \| good	33.536 \| good	0.3 \| good	3.92 \| good	0.267 \| good
2025-09-14T05:00:00.000Z	23 \| good	3.91 \| good	13.291 \| good	25.21 \| good	0.275 \| good	7.859 \| good	0.264 \| good
2025-09-14T05:00:00.000Z	23 \| good	3.91 \| good	13.291 \| good	25.21 \| good	0.275 \| good	7.859 \| good	0.264 \| good
2025-09-12T11:00:00.000Z	27 \| good	5.067 \| good	22.123 \| good	11.861 \| good	0.527 \| good	3.668 \| good	0.189 \| good
2025-09-12T12:00:00.000Z	38 \| good	6.898 \| good	30.521 \| good	14.787 \| good	0.506 \| good	3.675 \| good	0.184 \| good
2025-09-12T13:00:00.000Z	38 \| good	6.833 \| good	30.231 \| good	20.36 \| good	0.507 \| good	3.007 \| good	0.181 \| good
2025-09-12T14:00:00.000Z	38 \| good	7.439 \| good	32.609 \| good	25.486 \| good	0.508 \| good	2.338 \| good	0.177 \| good
2025-09-12T15:00:00.000Z	38 \| good	7.175 \| good	31.652 \| good	30.224 \| good	0.509 \| good	1.67 \| good	0.173 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.146 \| good	31.618 \| good	33.817 \| good	0.449 \| good	1.411 \| good	0.169 \| good
2025-09-12T17:00:00.000Z	38 \| good	6.711 \| good	29.805 \| good	37.053 \| good	0.388 \| good	1.153 \| good	0.166 \| good
2025-09-12T18:00:00.000Z	36 \| good	6.074 \| good	26.578 \| good	38.93 \| good	0.328 \| good	0.894 \| good	0.162 \| good
2025-09-12T19:00:00.000Z	38 \| good	5.777 \| good	24.776 \| good	41.49 \| good	0.308 \| good	1.043 \| good	0.161 \| good
2025-09-12T20:00:00.000Z	38 \| good	4.761 \| good	20.868 \| good	40.504 \| good	0.289 \| good	1.192 \| good	0.159 \| good
2025-09-12T21:00:00.000Z	32 \| good	3.859 \| good	16.709 \| good	35.259 \| good	0.27 \| good	1.342 \| good	0.157 \| good
2025-09-12T22:00:00.000Z	27 \| good	2.298 \| good	9.547 \| good	28.706 \| good	0.272 \| good	3.342 \| good	0.172 \| good
2025-09-12T23:00:00.000Z	19 \| good	1.716 \| good	7.111 \| good	21.143 \| good	0.275 \| good	5.343 \| good	0.186 \| good
2025-09-13T00:00:00.000Z	17 \| good	2.965 \| good	12.063 \| good	18.175 \| good	0.277 \| good	7.344 \| good	0.201 \| good
2025-09-13T01:00:00.000Z	16 \| good	2.785 \| good	11.454 \| good	15.483 \| good	0.272 \| good	6.537 \| good	0.189 \| good
2025-09-13T02:00:00.000Z	22 \| good	3.759 \| good	16.249 \| good	13.932 \| good	0.267 \| good	5.73 \| good	0.177 \| good
2025-09-13T03:00:00.000Z	22 \| good	3.773 \| good	16.625 \| good	12.618 \| good	0.262 \| good	4.923 \| good	0.165 \| good
2025-09-13T04:00:00.000Z	22 \| good	4.163 \| good	18.487 \| good	12.241 \| good	0.259 \| good	4.654 \| good	0.161 \| good
2025-09-13T05:00:00.000Z	22 \| good	4.163 \| good	18.44 \| good	12.607 \| good	0.257 \| good	4.385 \| good	0.156 \| good
2025-09-13T06:00:00.000Z	22 \| good	3.926 \| good	17.32 \| good	12.394 \| good	0.255 \| good	4.116 \| good	0.152 \| good
2025-09-13T07:00:00.000Z	22 \| good	3.673 \| good	15.872 \| good	11.553 \| good	0.264 \| good	4.325 \| good	0.152 \| good
2025-09-13T08:00:00.000Z	16 \| good	3.203 \| good	13.977 \| good	10.676 \| good	0.274 \| good	4.533 \| good	0.152 \| good
2025-09-13T09:00:00.000Z	16 \| good	3.008 \| good	13.065 \| good	10.552 \| good	0.283 \| good	4.742 \| good	0.152 \| good
2025-09-13T10:00:00.000Z	16 \| good	2.77 \| good	11.451 \| good	9.455 \| good	0.299 \| good	5.732 \| good	0.172 \| good
2025-09-13T11:00:00.000Z	11 \| good	2.138 \| good	9.062 \| good	9.699 \| good	0.315 \| good	6.723 \| good	0.192 \| good
2025-09-13T12:00:00.000Z	16 \| good	2.594 \| good	10.462 \| good	12.701 \| good	0.331 \| good	7.713 \| good	0.212 \| good
2025-09-13T13:00:00.000Z	20 \| good	3.135 \| good	13.545 \| good	22.089 \| good	0.343 \| good	5.553 \| good	0.19 \| good
2025-09-13T14:00:00.000Z	27 \| good	4.658 \| good	20.403 \| good	28.952 \| good	0.355 \| good	3.394 \| good	0.168 \| good
2025-09-13T15:00:00.000Z	33 \| good	6.046 \| good	26.767 \| good	35.302 \| good	0.367 \| good	1.234 \| good	0.146 \| good
2025-09-13T16:00:00.000Z	38 \| good	6.662 \| good	29.84 \| good	38.75 \| good	0.382 \| good	1.096 \| good	0.146 \| good
2025-09-13T17:00:00.000Z	38 \| good	6.019 \| good	26.522 \| good	40.654 \| good	0.398 \| good	0.958 \| good	0.146 \| good
2025-09-13T18:00:00.000Z	40 \| good	6.444 \| good	28.336 \| good	42.985 \| good	0.413 \| good	0.82 \| good	0.147 \| good
2025-09-13T19:00:00.000Z	42 \| good	6.702 \| good	29.54 \| good	44.501 \| good	0.402 \| good	0.941 \| good	0.146 \| good
2025-09-13T20:00:00.000Z	41 \| good	6.478 \| good	28.514 \| good	44.128 \| good	0.391 \| good	1.062 \| good	0.145 \| good
2025-09-13T21:00:00.000Z	39 \| good	5.835 \| good	25.18 \| good	41.863 \| good	0.379 \| good	1.183 \| good	0.144 \| good
2025-09-13T22:00:00.000Z	34 \| good	5.095 \| good	22.111 \| good	36.665 \| good	0.335 \| good	1.952 \| good	0.146 \| good
2025-09-13T23:00:00.000Z	28 \| good	4.642 \| good	20.177 \| good	30.018 \| good	0.292 \| good	2.721 \| good	0.148 \| good
2025-09-14T00:00:00.000Z	33 \| good	5.768 \| good	25.611 \| good	25.272 \| good	0.248 \| good	3.491 \| good	0.15 \| good
2025-09-14T01:00:00.000Z	33 \| good	6.289 \| good	28.013 \| good	23.099 \| good	0.265 \| good	3.307 \| good	0.149 \| good
2025-09-14T02:00:00.000Z	38 \| good	7.129 \| good	31.544 \| good	23.644 \| good	0.283 \| good	3.124 \| good	0.148 \| good
2025-09-14T03:00:00.000Z	38 \| good	6.92 \| good	30.713 \| good	22.652 \| good	0.3 \| good	2.94 \| good	0.147 \| good
2025-09-14T04:00:00.000Z	38 \| good	7.139 \| good	31.597 \| good	23.489 \| good	0.317 \| good	2.761 \| good	0.146 \| good
2025-09-14T05:00:00.000Z	38 \| good	6.937 \| good	30.713 \| good	23.319 \| good	0.334 \| good	2.582 \| good	0.145 \| good
2025-09-14T06:00:00.000Z	34 \| good	5.774 \| good	7.806 \| good	36.66 \| good	0.343 \| good	2.39 \| good	0.144 \| good
2025-09-14T07:00:00.000Z	38 \| good	6.996 \| good	31.111 \| good	22.326 \| good	0.371 \| good	2.357 \| good	0.144 \| good
2025-09-14T08:00:00.000Z	38 \| good	7.332 \| good	32.423 \| good	21.96 \| good	0.391 \| good	2.312 \| good	0.144 \| good
2025-09-14T09:00:00.000Z	44 \| good	7.96 \| good	34.964 \| good	19.691 \| good	0.411 \| good	2.266 \| good	0.143 \| good
2025-09-14T10:00:00.000Z	49 \| good	8.573 \| good	37.495 \| good	22.207 \| good	0.446 \| good	2.952 \| good	0.15 \| good

Griswold

Get reliable air quality data to drive your business

Griswold, Connecticut air quality map: Track AQI near you

0.24ppm

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 Griswold, Connecticut updated?

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

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

The worst air quality in Griswold, Connecticut in the last 24 hours was observed at 11:00:00 on 2025-09-11.

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

In the last 24 hrs, the best air quality in Griswold, Connecticut was observed at 02:00:00 on 2025-09-11.

What is the current air quality in Griswold, Connecticut?

The current air quality in Griswold, Connecticut is 22, categorized as Good based on real-time data.

What pollutant is the most common in Griswold, Connecticut?

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

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

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

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

The current PM_2.5 concentration at Griswold, Connecticut is 3.85 μg/m³.

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

The current PM₁₀ concentration at Griswold, Connecticut is 15.011 μg/m³.

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

The current carbon monoxide (CO) concentration at Griswold, Connecticut is 0.244 ppm.

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

The current sulfur dioxide (SO₂) concentration at Griswold, Connecticut is 0.161 ppb.

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

The current ozone (O₃) concentration at Griswold, Connecticut is 16.541 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Griswold, Connecticut is 5.83 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T06:00:00.000Z	27 \| good	5.19 \| good	29.04 \| good	23.568 \| good	0.28 \| good	16.807 \| good	0.351 \| good
2025-09-12T07:00:00.000Z	38 \| good	7.28 \| good	24.651 \| good	23.096 \| good	0.238 \| good	15.647 \| good	0.35 \| good
2025-09-12T08:00:00.000Z	33 \| good	6.089 \| good	26.404 \| good	15.661 \| good	0.236 \| good	8.516 \| good	0.213 \| good
2025-09-12T09:00:00.000Z	22 \| good	3.85 \| good	15.011 \| good	16.541 \| good	0.161 \| good	5.83 \| good	0.244 \| good
2025-09-12T10:00:00.000Z	22 \| good	4.441 \| good	19.504 \| good	10.132 \| good	0.249 \| good	7.948 \| good	0.311 \| good
2025-09-12T11:00:00.000Z	22 \| good	4.378 \| good	21.834 \| good	11.359 \| good	0.288 \| good	13.098 \| good	0.338 \| good
2025-09-12T12:00:00.000Z	27 \| good	5.31 \| good	22.544 \| good	22.351 \| good	0.178 \| good	11.765 \| good	0.351 \| good
2025-09-12T13:00:00.000Z	44 \| good	7.541 \| good	33.61 \| good	21.12 \| good	0.196 \| good	8.598 \| good	0.287 \| good
2025-09-12T14:00:00.000Z	22 \| good	4.431 \| good	11.115 \| good	23.997 \| good	0.177 \| good	6.097 \| good	0.228 \| good
2025-09-12T15:00:00.000Z	27 \| good	4.938 \| good	13.469 \| good	28.309 \| good	0.241 \| good	4.055 \| good	0.228 \| good
2025-09-12T16:00:00.000Z	33 \| good	5.657 \| good	14.141 \| good	27.125 \| good	0.243 \| good	3.628 \| good	0.208 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.352 \| good	15.634 \| good	30.009 \| good	0.199 \| good	3.307 \| good	0.185 \| good
2025-09-12T18:00:00.000Z	33 \| good	6.098 \| good	19.056 \| good	33.561 \| good	0.199 \| good	2.663 \| good	0.185 \| good
2025-09-12T19:00:00.000Z	35 \| good	6.019 \| good	20.386 \| good	37.895 \| good	0.258 \| good	3.132 \| good	0.208 \| good
2025-09-12T20:00:00.000Z	34 \| good	5.895 \| good	15.644 \| good	37.411 \| good	0.242 \| good	3.547 \| good	0.185 \| good
2025-09-12T21:00:00.000Z	32 \| good	4.641 \| good	19.397 \| good	35.408 \| good	0.223 \| good	3.278 \| good	0.205 \| good
2025-09-12T22:00:00.000Z	31 \| good	4.718 \| good	21.42 \| good	33.141 \| good	0.244 \| good	3.532 \| good	0.205 \| good
2025-09-12T23:00:00.000Z	31 \| good	5.371 \| good	18.242 \| good	32.936 \| good	0.16 \| good	3.838 \| good	0.228 \| good
2025-09-13T00:00:00.000Z	29 \| good	5.326 \| good	22.741 \| good	31.29 \| good	0.206 \| good	2.717 \| good	0.246 \| good
2025-09-13T01:00:00.000Z	28 \| good	4.749 \| good	20.928 \| good	30.049 \| good	0.29 \| good	3.11 \| good	0.266 \| good
2025-09-13T02:00:00.000Z	27 \| good	4.893 \| good	19.258 \| good	28.694 \| good	0.231 \| good	4.232 \| good	0.246 \| good
2025-09-13T03:00:00.000Z	22 \| good	4.192 \| good	15.412 \| good	21.642 \| good	0.218 \| good	4.647 \| good	0.29 \| good
2025-09-13T04:00:00.000Z	22 \| good	3.662 \| good	12.644 \| good	23.936 \| good	0.231 \| good	6.184 \| good	0.404 \| good
2025-09-13T05:00:00.000Z	22 \| good	4.12 \| good	14.081 \| good	22.605 \| good	0.23 \| good	10.565 \| good	0.367 \| good
2025-09-13T06:00:00.000Z	22 \| good	4.1 \| good	14.991 \| good	22.065 \| good	0.251 \| good	11.986 \| good	0.323 \| good
2025-09-13T07:00:00.000Z	27 \| good	4.552 \| good	15.574 \| good	21.371 \| good	0.211 \| good	10.914 \| good	0.347 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.024 \| good	11.097 \| good	14.982 \| good	0.178 \| good	12.127 \| good	0.365 \| good
2025-09-13T09:00:00.000Z	27 \| good	4.612 \| good	11.867 \| good	16.504 \| good	0.248 \| good	8.489 \| good	0.329 \| good
2025-09-13T10:00:00.000Z	52 \| moderate	9.531 \| good	17.381 \| good	9.702 \| good	0.274 \| good	12.212 \| good	0.356 \| good
2025-09-13T11:00:00.000Z	27 \| good	5.255 \| good	14.857 \| good	8.603 \| good	0.259 \| good	10.674 \| good	0.4 \| good
2025-09-13T12:00:00.000Z	27 \| good	5.163 \| good	13.325 \| good	6.164 \| good	0.16 \| good	9.964 \| good	0.42 \| good
2025-09-13T13:00:00.000Z	22 \| good	4.328 \| good	10.025 \| good	9.842 \| good	0.157 \| good	9.023 \| good	0.328 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.962 \| good	14.598 \| good	14.817 \| good	0.245 \| good	6.247 \| good	0.284 \| good
2025-09-13T15:00:00.000Z	24 \| good	3.986 \| good	12.06 \| good	26.058 \| good	0.158 \| good	4.187 \| good	0.249 \| good
2025-09-13T16:00:00.000Z	27 \| good	5.241 \| good	21.361 \| good	27.665 \| good	0.136 \| good	3.211 \| good	0.249 \| good
2025-09-13T17:00:00.000Z	27 \| good	5.02 \| good	22.029 \| good	29.35 \| good	0.159 \| good	2.704 \| good	0.246 \| good
2025-09-13T18:00:00.000Z	33 \| good	3.221 \| good	17.783 \| good	35.656 \| good	0.172 \| good	2.236 \| good	0.262 \| good
2025-09-13T19:00:00.000Z	38 \| good	3.352 \| good	11.598 \| good	40.557 \| good	0.137 \| good	2.003 \| good	0.226 \| good
2025-09-13T20:00:00.000Z	38 \| good	4.118 \| good	13.172 \| good	41.287 \| good	0.202 \| good	2.429 \| good	0.226 \| good
2025-09-13T21:00:00.000Z	36 \| good	4.046 \| good	16.47 \| good	39.266 \| good	0.248 \| good	4.501 \| good	0.226 \| good
2025-09-13T22:00:00.000Z	38 \| good	3.721 \| good	16.526 \| good	41.456 \| good	0.253 \| good	2.116 \| good	0.226 \| good
2025-09-13T23:00:00.000Z	30 \| good	3.615 \| good	12.076 \| good	31.991 \| good	0.253 \| good	2.647 \| good	0.246 \| good
2025-09-14T00:00:00.000Z	31 \| good	3.185 \| good	15.612 \| good	33.269 \| good	0.252 \| good	3.338 \| good	0.269 \| good
2025-09-14T01:00:00.000Z	30 \| good	3.454 \| good	17.009 \| good	32.017 \| good	0.313 \| good	3.923 \| good	0.273 \| good
2025-09-14T02:00:00.000Z	30 \| good	3.524 \| good	16.282 \| good	31.62 \| good	0.249 \| good	4.009 \| good	0.296 \| good
2025-09-14T03:00:00.000Z	17 \| good	3.324 \| good	14.38 \| good	18.492 \| good	0.302 \| good	3.406 \| good	0.151 \| good
2025-09-14T04:00:00.000Z	31 \| good	4.261 \| good	18.971 \| good	33.536 \| good	0.3 \| good	3.92 \| good	0.267 \| good
2025-09-14T05:00:00.000Z	23 \| good	3.91 \| good	13.291 \| good	25.21 \| good	0.275 \| good	7.859 \| good	0.264 \| good
2025-09-14T05:00:00.000Z	23 \| good	3.91 \| good	13.291 \| good	25.21 \| good	0.275 \| good	7.859 \| good	0.264 \| good
2025-09-12T11:00:00.000Z	27 \| good	5.067 \| good	22.123 \| good	11.861 \| good	0.527 \| good	3.668 \| good	0.189 \| good
2025-09-12T12:00:00.000Z	38 \| good	6.898 \| good	30.521 \| good	14.787 \| good	0.506 \| good	3.675 \| good	0.184 \| good
2025-09-12T13:00:00.000Z	38 \| good	6.833 \| good	30.231 \| good	20.36 \| good	0.507 \| good	3.007 \| good	0.181 \| good
2025-09-12T14:00:00.000Z	38 \| good	7.439 \| good	32.609 \| good	25.486 \| good	0.508 \| good	2.338 \| good	0.177 \| good
2025-09-12T15:00:00.000Z	38 \| good	7.175 \| good	31.652 \| good	30.224 \| good	0.509 \| good	1.67 \| good	0.173 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.146 \| good	31.618 \| good	33.817 \| good	0.449 \| good	1.411 \| good	0.169 \| good
2025-09-12T17:00:00.000Z	38 \| good	6.711 \| good	29.805 \| good	37.053 \| good	0.388 \| good	1.153 \| good	0.166 \| good
2025-09-12T18:00:00.000Z	36 \| good	6.074 \| good	26.578 \| good	38.93 \| good	0.328 \| good	0.894 \| good	0.162 \| good
2025-09-12T19:00:00.000Z	38 \| good	5.777 \| good	24.776 \| good	41.49 \| good	0.308 \| good	1.043 \| good	0.161 \| good
2025-09-12T20:00:00.000Z	38 \| good	4.761 \| good	20.868 \| good	40.504 \| good	0.289 \| good	1.192 \| good	0.159 \| good
2025-09-12T21:00:00.000Z	32 \| good	3.859 \| good	16.709 \| good	35.259 \| good	0.27 \| good	1.342 \| good	0.157 \| good
2025-09-12T22:00:00.000Z	27 \| good	2.298 \| good	9.547 \| good	28.706 \| good	0.272 \| good	3.342 \| good	0.172 \| good
2025-09-12T23:00:00.000Z	19 \| good	1.716 \| good	7.111 \| good	21.143 \| good	0.275 \| good	5.343 \| good	0.186 \| good
2025-09-13T00:00:00.000Z	17 \| good	2.965 \| good	12.063 \| good	18.175 \| good	0.277 \| good	7.344 \| good	0.201 \| good
2025-09-13T01:00:00.000Z	16 \| good	2.785 \| good	11.454 \| good	15.483 \| good	0.272 \| good	6.537 \| good	0.189 \| good
2025-09-13T02:00:00.000Z	22 \| good	3.759 \| good	16.249 \| good	13.932 \| good	0.267 \| good	5.73 \| good	0.177 \| good
2025-09-13T03:00:00.000Z	22 \| good	3.773 \| good	16.625 \| good	12.618 \| good	0.262 \| good	4.923 \| good	0.165 \| good
2025-09-13T04:00:00.000Z	22 \| good	4.163 \| good	18.487 \| good	12.241 \| good	0.259 \| good	4.654 \| good	0.161 \| good
2025-09-13T05:00:00.000Z	22 \| good	4.163 \| good	18.44 \| good	12.607 \| good	0.257 \| good	4.385 \| good	0.156 \| good
2025-09-13T06:00:00.000Z	22 \| good	3.926 \| good	17.32 \| good	12.394 \| good	0.255 \| good	4.116 \| good	0.152 \| good
2025-09-13T07:00:00.000Z	22 \| good	3.673 \| good	15.872 \| good	11.553 \| good	0.264 \| good	4.325 \| good	0.152 \| good
2025-09-13T08:00:00.000Z	16 \| good	3.203 \| good	13.977 \| good	10.676 \| good	0.274 \| good	4.533 \| good	0.152 \| good
2025-09-13T09:00:00.000Z	16 \| good	3.008 \| good	13.065 \| good	10.552 \| good	0.283 \| good	4.742 \| good	0.152 \| good
2025-09-13T10:00:00.000Z	16 \| good	2.77 \| good	11.451 \| good	9.455 \| good	0.299 \| good	5.732 \| good	0.172 \| good
2025-09-13T11:00:00.000Z	11 \| good	2.138 \| good	9.062 \| good	9.699 \| good	0.315 \| good	6.723 \| good	0.192 \| good
2025-09-13T12:00:00.000Z	16 \| good	2.594 \| good	10.462 \| good	12.701 \| good	0.331 \| good	7.713 \| good	0.212 \| good
2025-09-13T13:00:00.000Z	20 \| good	3.135 \| good	13.545 \| good	22.089 \| good	0.343 \| good	5.553 \| good	0.19 \| good
2025-09-13T14:00:00.000Z	27 \| good	4.658 \| good	20.403 \| good	28.952 \| good	0.355 \| good	3.394 \| good	0.168 \| good
2025-09-13T15:00:00.000Z	33 \| good	6.046 \| good	26.767 \| good	35.302 \| good	0.367 \| good	1.234 \| good	0.146 \| good
2025-09-13T16:00:00.000Z	38 \| good	6.662 \| good	29.84 \| good	38.75 \| good	0.382 \| good	1.096 \| good	0.146 \| good
2025-09-13T17:00:00.000Z	38 \| good	6.019 \| good	26.522 \| good	40.654 \| good	0.398 \| good	0.958 \| good	0.146 \| good
2025-09-13T18:00:00.000Z	40 \| good	6.444 \| good	28.336 \| good	42.985 \| good	0.413 \| good	0.82 \| good	0.147 \| good
2025-09-13T19:00:00.000Z	42 \| good	6.702 \| good	29.54 \| good	44.501 \| good	0.402 \| good	0.941 \| good	0.146 \| good
2025-09-13T20:00:00.000Z	41 \| good	6.478 \| good	28.514 \| good	44.128 \| good	0.391 \| good	1.062 \| good	0.145 \| good
2025-09-13T21:00:00.000Z	39 \| good	5.835 \| good	25.18 \| good	41.863 \| good	0.379 \| good	1.183 \| good	0.144 \| good
2025-09-13T22:00:00.000Z	34 \| good	5.095 \| good	22.111 \| good	36.665 \| good	0.335 \| good	1.952 \| good	0.146 \| good
2025-09-13T23:00:00.000Z	28 \| good	4.642 \| good	20.177 \| good	30.018 \| good	0.292 \| good	2.721 \| good	0.148 \| good
2025-09-14T00:00:00.000Z	33 \| good	5.768 \| good	25.611 \| good	25.272 \| good	0.248 \| good	3.491 \| good	0.15 \| good
2025-09-14T01:00:00.000Z	33 \| good	6.289 \| good	28.013 \| good	23.099 \| good	0.265 \| good	3.307 \| good	0.149 \| good
2025-09-14T02:00:00.000Z	38 \| good	7.129 \| good	31.544 \| good	23.644 \| good	0.283 \| good	3.124 \| good	0.148 \| good
2025-09-14T03:00:00.000Z	38 \| good	6.92 \| good	30.713 \| good	22.652 \| good	0.3 \| good	2.94 \| good	0.147 \| good
2025-09-14T04:00:00.000Z	38 \| good	7.139 \| good	31.597 \| good	23.489 \| good	0.317 \| good	2.761 \| good	0.146 \| good
2025-09-14T05:00:00.000Z	38 \| good	6.937 \| good	30.713 \| good	23.319 \| good	0.334 \| good	2.582 \| good	0.145 \| good
2025-09-14T06:00:00.000Z	34 \| good	5.774 \| good	7.806 \| good	36.66 \| good	0.343 \| good	2.39 \| good	0.144 \| good
2025-09-14T07:00:00.000Z	38 \| good	6.996 \| good	31.111 \| good	22.326 \| good	0.371 \| good	2.357 \| good	0.144 \| good
2025-09-14T08:00:00.000Z	38 \| good	7.332 \| good	32.423 \| good	21.96 \| good	0.391 \| good	2.312 \| good	0.144 \| good
2025-09-14T09:00:00.000Z	44 \| good	7.96 \| good	34.964 \| good	19.691 \| good	0.411 \| good	2.266 \| good	0.143 \| good
2025-09-14T10:00:00.000Z	49 \| good	8.573 \| good	37.495 \| good	22.207 \| good	0.446 \| good	2.952 \| good	0.15 \| good

Griswold, Connecticut live air quality index now

Major air pollutants in Griswold, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Griswold, Connecticut air quality map: Track AQI near you

Air quality in nearby cities

Plainfield, Connecticut

Norwich, Connecticut

Windham, Connecticut

Ledyard, Connecticut

Montville, Connecticut

Killingly, Connecticut

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Frequently asked questions

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What is the current concentration of PM2.5 in Griswold, Connecticut?

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

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

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

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

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

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 Griswold, Connecticut?

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

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

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

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