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

The current PM10 concentration at Griswold, Connecticut is 39.987 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Griswold, Connecticut is 0.187 ppb.

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

The current ozone (O3) concentration at Griswold, Connecticut is 33.747 ppm.

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

The current nitrogen dioxide (NO2) concentration at Griswold, Connecticut is 7.931 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)

9.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

46.00 μg/m³

155

255

425

605+

Ozone (O₃)

43.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.25 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-28T19:00:00.000Z	54 \| moderate	11.195 \| good	30.811 \| good	32.51 \| good	0.119 \| good	7.842 \| good	0.269 \| good
2025-07-28T20:00:00.000Z	58 \| moderate	13.346 \| fine	39.476 \| good	39.778 \| good	0.179 \| good	8.247 \| good	0.264 \| good
2025-07-28T21:00:00.000Z	60 \| moderate	14.374 \| fine	55.995 \| fine	44.748 \| good	0.166 \| good	4.881 \| good	0.287 \| good
2025-07-28T22:00:00.000Z	56 \| moderate	12.388 \| fine	28.4 \| good	47.662 \| good	0.189 \| good	3.541 \| good	0.285 \| good
2025-07-28T23:00:00.000Z	60 \| moderate	13.962 \| fine	42.852 \| good	45.98 \| good	0.191 \| good	3.271 \| good	0.299 \| good
2025-07-29T00:00:00.000Z	62 \| moderate	15.154 \| fine	28.971 \| good	44.269 \| good	0.26 \| good	3.561 \| good	0.298 \| good
2025-07-29T01:00:00.000Z	58 \| moderate	13.365 \| fine	33.057 \| good	37.062 \| good	0.173 \| good	4.554 \| good	0.305 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	15.188 \| fine	27.92 \| good	38.061 \| good	0.246 \| good	6.132 \| good	0.325 \| good
2025-07-29T03:00:00.000Z	64 \| moderate	16.03 \| fine	28.541 \| good	32.162 \| good	0.237 \| good	7.252 \| good	0.371 \| good
2025-07-29T04:00:00.000Z	62 \| moderate	15.419 \| fine	56.966 \| fine	35.504 \| good	0.233 \| good	6.307 \| good	0.363 \| good
2025-07-29T05:00:00.000Z	64 \| moderate	15.658 \| fine	40.994 \| good	30.934 \| good	0.756 \| good	7.265 \| good	0.3 \| good
2025-07-29T06:00:00.000Z	66 \| moderate	16.775 \| fine	48.973 \| good	27.03 \| good	0.767 \| good	7.721 \| good	0.315 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	16.243 \| fine	65.576 \| fine	26.977 \| good	0.289 \| good	5.316 \| good	0.326 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	15.957 \| fine	60.604 \| fine	23.162 \| good	0.246 \| good	5.38 \| good	0.326 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	13.63 \| fine	52.501 \| good	24.876 \| good	0.153 \| good	7.746 \| good	0.348 \| good
2025-07-29T10:00:00.000Z	66 \| moderate	16.903 \| fine	32.234 \| good	20.885 \| good	0.136 \| good	10.371 \| good	0.38 \| good
2025-07-29T11:00:00.000Z	64 \| moderate	15.777 \| fine	53.34 \| good	19.779 \| good	0.169 \| good	11 \| good	0.405 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.566 \| fine	30.462 \| good	18.891 \| good	0.142 \| good	11.199 \| good	0.512 \| good
2025-07-29T13:00:00.000Z	58 \| moderate	13.423 \| fine	35.636 \| good	22.669 \| good	0.211 \| good	13.476 \| good	0.494 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	14.277 \| fine	39.196 \| good	31.335 \| good	0.192 \| good	10.043 \| good	0.426 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.238 \| fine	25.794 \| good	30.445 \| good	0.36 \| good	8.257 \| good	0.388 \| good
2025-07-29T16:00:00.000Z	56 \| moderate	12.262 \| fine	40.111 \| good	34.308 \| good	0.345 \| good	8.218 \| good	0.343 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	11.822 \| good	34.912 \| good	36.67 \| good	0.274 \| good	6.65 \| good	0.343 \| good
2025-07-29T18:00:00.000Z	54 \| moderate	10.833 \| good	41.956 \| good	38.535 \| good	0.216 \| good	5.087 \| good	0.419 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12.11 \| fine	34.867 \| good	44.962 \| good	0.216 \| good	6.648 \| good	0.317 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	12.377 \| fine	54.396 \| good	47.939 \| good	0.354 \| good	6.045 \| good	0.312 \| good
2025-07-29T21:00:00.000Z	56 \| moderate	12.155 \| fine	41.84 \| good	54.884 \| good	0.394 \| good	4.94 \| good	0.287 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	11.159 \| good	48.597 \| good	53.079 \| good	0.343 \| good	4.715 \| good	0.287 \| good
2025-07-29T23:00:00.000Z	64 \| moderate	10.786 \| good	24.035 \| good	59.298 \| fine	0.388 \| good	4.8 \| good	0.287 \| good
2025-07-30T00:00:00.000Z	58 \| moderate	13.279 \| fine	64.073 \| fine	48.357 \| good	0.403 \| good	4.503 \| good	0.313 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	13.014 \| fine	51.68 \| good	54.128 \| good	0.383 \| good	4.776 \| good	0.268 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.752 \| good	43.057 \| good	49.056 \| good	0.174 \| good	8.947 \| good	0.336 \| good
2025-07-30T03:00:00.000Z	73 \| moderate	21.201 \| fine	93.212 \| fine	28.562 \| good	0.88 \| good	9.345 \| good	0.342 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.997 \| good	32.545 \| good	38.986 \| good	0.255 \| good	20.393 \| good	0.332 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	11.22 \| good	58.76 \| fine	31.849 \| good	0.448 \| good	16.151 \| good	0.319 \| good
2025-07-30T06:00:00.000Z	60 \| moderate	13.732 \| fine	62.829 \| fine	30.217 \| good	0.373 \| good	13.617 \| good	0.27 \| good
2025-07-30T07:00:00.000Z	58 \| moderate	12.503 \| fine	49.453 \| good	27.721 \| good	0.212 \| good	11.3 \| good	0.248 \| good
2025-07-30T08:00:00.000Z	58 \| moderate	12.259 \| fine	69.083 \| fine	29.251 \| good	0.288 \| good	12.963 \| good	0.248 \| good
2025-07-30T09:00:00.000Z	58 \| moderate	13.052 \| fine	28.739 \| good	37.436 \| good	0.279 \| good	13.755 \| good	0.242 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.458 \| good	25.533 \| good	34.931 \| good	0.193 \| good	12.82 \| good	0.315 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.188 \| good	33.127 \| good	25.09 \| good	0.171 \| good	15.379 \| good	0.346 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.673 \| good	35.67 \| good	25.209 \| good	0.191 \| good	12.125 \| good	0.332 \| good
2025-07-30T13:00:00.000Z	49 \| good	8.824 \| good	25.204 \| good	27.516 \| good	0.21 \| good	10.913 \| good	0.287 \| good
2025-07-30T14:00:00.000Z	49 \| good	8.976 \| good	42.216 \| good	31.955 \| good	0.12 \| good	8.81 \| good	0.263 \| good
2025-07-30T15:00:00.000Z	49 \| good	8.694 \| good	38.786 \| good	33.781 \| good	0.2 \| good	10.725 \| good	0.304 \| good
2025-07-30T16:00:00.000Z	49 \| good	9.452 \| good	42.291 \| good	39.126 \| good	0.279 \| good	10.207 \| good	0.474 \| good
2025-07-30T17:00:00.000Z	55 \| moderate	9.871 \| good	63.477 \| fine	43.486 \| good	0.255 \| good	7.428 \| good	0.266 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.343 \| good	44.218 \| good	39.128 \| good	0.252 \| good	5.193 \| good	0.236 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.25 \| good	46.004 \| good	43.611 \| good	0.252 \| good	2.737 \| good	0.234 \| good
2025-07-29T18:00:00.000Z	64 \| moderate	16.417 \| fine	72.803 \| fine	50.417 \| good	0.441 \| good	1.052 \| good	0.196 \| good
2025-07-29T19:00:00.000Z	60 \| moderate	14.177 \| fine	63.722 \| fine	46.521 \| good	0.423 \| good	1.113 \| good	0.19 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	13.049 \| fine	58.915 \| fine	42.537 \| good	0.404 \| good	1.175 \| good	0.184 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	12.669 \| fine	56.718 \| fine	40.236 \| good	0.386 \| good	1.236 \| good	0.179 \| good
2025-07-29T22:00:00.000Z	64 \| moderate	15.833 \| fine	70.05 \| fine	36.796 \| good	0.451 \| good	3.235 \| good	0.205 \| good
2025-07-29T23:00:00.000Z	67 \| moderate	18.087 \| fine	79.692 \| fine	41.182 \| good	0.517 \| good	5.234 \| good	0.232 \| good
2025-07-30T00:00:00.000Z	75 \| moderate	21.521 \| fine	94.297 \| fine	38.949 \| good	0.582 \| good	7.233 \| good	0.258 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.284 \| fine	101.983 \| fine	35.293 \| good	0.596 \| good	7.41 \| good	0.255 \| good
2025-07-30T02:00:00.000Z	77 \| moderate	22.601 \| fine	98.673 \| fine	27.695 \| good	0.609 \| good	7.587 \| good	0.253 \| good
2025-07-30T03:00:00.000Z	73 \| moderate	21.375 \| fine	93.907 \| fine	22.081 \| good	0.623 \| good	7.763 \| good	0.25 \| good
2025-07-30T04:00:00.000Z	69 \| moderate	19.28 \| fine	85.456 \| fine	17.733 \| good	0.607 \| good	6.767 \| good	0.232 \| good
2025-07-30T05:00:00.000Z	64 \| moderate	16.305 \| fine	72.301 \| fine	13.84 \| good	0.591 \| good	5.771 \| good	0.214 \| good
2025-07-30T06:00:00.000Z	60 \| moderate	13.803 \| fine	62.117 \| fine	12.822 \| good	0.575 \| good	4.775 \| good	0.196 \| good
2025-07-30T07:00:00.000Z	64 \| moderate	15.87 \| fine	70.674 \| fine	12.367 \| good	0.576 \| good	4.74 \| good	0.196 \| good
2025-07-30T08:00:00.000Z	67 \| moderate	17.655 \| fine	78.692 \| fine	14.57 \| good	0.577 \| good	4.704 \| good	0.197 \| good
2025-07-30T09:00:00.000Z	75 \| moderate	22.054 \| fine	96.952 \| fine	16.985 \| good	0.578 \| good	4.668 \| good	0.198 \| good
2025-07-30T10:00:00.000Z	73 \| moderate	21.218 \| fine	93.191 \| fine	16.032 \| good	0.587 \| good	4.489 \| good	0.212 \| good
2025-07-30T11:00:00.000Z	75 \| moderate	21.897 \| fine	96.222 \| fine	18.538 \| good	0.596 \| good	4.31 \| good	0.226 \| good
2025-07-30T12:00:00.000Z	79 \| moderate	24.222 \| fine	105.447 \| fine	26.655 \| good	0.605 \| good	4.131 \| good	0.24 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.64 \| fine	90.947 \| fine	34.559 \| good	0.648 \| good	3.401 \| good	0.232 \| good
2025-07-30T14:00:00.000Z	67 \| moderate	17.906 \| fine	79.629 \| fine	40.772 \| good	0.691 \| good	2.671 \| good	0.225 \| good
2025-07-30T15:00:00.000Z	67 \| moderate	17.666 \| fine	78.461 \| fine	46.465 \| good	0.734 \| good	1.941 \| good	0.217 \| good
2025-07-30T16:00:00.000Z	67 \| moderate	18.369 \| fine	81.083 \| fine	50.883 \| good	0.626 \| good	1.647 \| good	0.206 \| good
2025-07-30T17:00:00.000Z	67 \| moderate	18.113 \| fine	80.275 \| fine	54.965 \| good	0.519 \| good	1.353 \| good	0.195 \| good
2025-07-30T18:00:00.000Z	67 \| moderate	17.745 \| fine	78.691 \| fine	54.058 \| good	0.412 \| good	1.058 \| good	0.183 \| good
2025-07-30T19:00:00.000Z	66 \| moderate	17.004 \| fine	75.665 \| fine	54.867 \| good	0.416 \| good	1.115 \| good	0.183 \| good
2025-07-30T20:00:00.000Z	66 \| moderate	17.433 \| fine	77.251 \| fine	58.572 \| fine	0.42 \| good	1.173 \| good	0.183 \| good
2025-07-30T21:00:00.000Z	69 \| moderate	18.676 \| fine	83.045 \| fine	58.024 \| fine	0.425 \| good	1.23 \| good	0.183 \| good
2025-07-30T22:00:00.000Z	71 \| moderate	20.313 \| fine	88.961 \| fine	54.636 \| good	0.495 \| good	3.197 \| good	0.209 \| good
2025-07-30T23:00:00.000Z	73 \| moderate	21.172 \| fine	93.454 \| fine	53.123 \| good	0.566 \| good	5.165 \| good	0.236 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.938 \| fine	100.494 \| fine	49.734 \| good	0.637 \| good	7.133 \| good	0.262 \| good
2025-07-31T01:00:00.000Z	77 \| moderate	22.716 \| fine	99.898 \| fine	46.884 \| good	0.684 \| good	9.083 \| good	0.293 \| good
2025-07-31T02:00:00.000Z	71 \| moderate	19.919 \| fine	87.646 \| fine	44.456 \| good	0.732 \| good	11.032 \| good	0.323 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	17.106 \| fine	75.677 \| fine	39.975 \| good	0.78 \| good	12.982 \| good	0.353 \| good
2025-07-31T04:00:00.000Z	58 \| moderate	13.372 \| fine	60.609 \| fine	34.441 \| good	0.754 \| good	13.507 \| good	0.362 \| good
2025-07-31T05:00:00.000Z	56 \| moderate	11.507 \| good	50.96 \| good	31.266 \| good	0.728 \| good	14.031 \| good	0.371 \| good
2025-07-31T06:00:00.000Z	54 \| moderate	11.361 \| good	50.242 \| good	29.331 \| good	0.701 \| good	14.556 \| good	0.379 \| good
2025-07-31T07:00:00.000Z	56 \| moderate	11.728 \| good	52.096 \| good	27.882 \| good	0.677 \| good	13.3 \| good	0.363 \| good
2025-07-31T08:00:00.000Z	58 \| moderate	12.933 \| fine	58.241 \| fine	27.508 \| good	0.653 \| good	12.045 \| good	0.348 \| good
2025-07-31T09:00:00.000Z	66 \| moderate	17.229 \| fine	76.092 \| fine	22.859 \| good	0.628 \| good	10.789 \| good	0.332 \| good
2025-07-31T10:00:00.000Z	69 \| moderate	19.226 \| fine	84.664 \| fine	22.886 \| good	0.61 \| good	8.38 \| good	0.296 \| good
2025-07-31T11:00:00.000Z	71 \| moderate	20.143 \| fine	88.315 \| fine	23.354 \| good	0.592 \| good	5.97 \| good	0.259 \| good
2025-07-31T12:00:00.000Z	75 \| moderate	22.394 \| fine	97.661 \| fine	25.63 \| good	0.573 \| good	3.561 \| good	0.222 \| good
2025-07-31T13:00:00.000Z	73 \| moderate	21.11 \| fine	92.93 \| fine	28.294 \| good	0.613 \| good	3.367 \| good	0.214 \| good
2025-07-31T14:00:00.000Z	71 \| moderate	19.64 \| fine	86.541 \| fine	36.099 \| good	0.652 \| good	3.173 \| good	0.205 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.72 \| fine	78.338 \| fine	42.082 \| good	0.691 \| good	2.98 \| good	0.196 \| good
2025-07-31T16:00:00.000Z	62 \| moderate	14.844 \| fine	66.409 \| fine	41.291 \| good	0.672 \| good	2.654 \| good	0.196 \| good
2025-07-31T17:00:00.000Z	54 \| moderate	10.99 \| good	48.708 \| good	40.93 \| good	0.653 \| good	2.329 \| good	0.196 \| good

Griswold

Get reliable air quality data to drive your business

Griswold, Connecticut air quality map: Track AQI near you

0.32ppm

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 06:00:00 on 2025-07-29.

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 07:00:00 on 2025-07-28.

What is the current air quality in Griswold, Connecticut?

The current air quality in Griswold, Connecticut is 56, categorized as Moderate 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 12.32 μg/m³.

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

The current PM₁₀ concentration at Griswold, Connecticut is 39.987 μg/m³.

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

The current carbon monoxide (CO) concentration at Griswold, Connecticut is 0.338 ppm.

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

The current sulfur dioxide (SO₂) concentration at Griswold, Connecticut is 0.187 ppb.

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

The current ozone (O₃) concentration at Griswold, Connecticut is 33.747 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Griswold, Connecticut is 7.931 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T19:00:00.000Z	54 \| moderate	11.195 \| good	30.811 \| good	32.51 \| good	0.119 \| good	7.842 \| good	0.269 \| good
2025-07-28T20:00:00.000Z	58 \| moderate	13.346 \| fine	39.476 \| good	39.778 \| good	0.179 \| good	8.247 \| good	0.264 \| good
2025-07-28T21:00:00.000Z	60 \| moderate	14.374 \| fine	55.995 \| fine	44.748 \| good	0.166 \| good	4.881 \| good	0.287 \| good
2025-07-28T22:00:00.000Z	56 \| moderate	12.388 \| fine	28.4 \| good	47.662 \| good	0.189 \| good	3.541 \| good	0.285 \| good
2025-07-28T23:00:00.000Z	60 \| moderate	13.962 \| fine	42.852 \| good	45.98 \| good	0.191 \| good	3.271 \| good	0.299 \| good
2025-07-29T00:00:00.000Z	62 \| moderate	15.154 \| fine	28.971 \| good	44.269 \| good	0.26 \| good	3.561 \| good	0.298 \| good
2025-07-29T01:00:00.000Z	58 \| moderate	13.365 \| fine	33.057 \| good	37.062 \| good	0.173 \| good	4.554 \| good	0.305 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	15.188 \| fine	27.92 \| good	38.061 \| good	0.246 \| good	6.132 \| good	0.325 \| good
2025-07-29T03:00:00.000Z	64 \| moderate	16.03 \| fine	28.541 \| good	32.162 \| good	0.237 \| good	7.252 \| good	0.371 \| good
2025-07-29T04:00:00.000Z	62 \| moderate	15.419 \| fine	56.966 \| fine	35.504 \| good	0.233 \| good	6.307 \| good	0.363 \| good
2025-07-29T05:00:00.000Z	64 \| moderate	15.658 \| fine	40.994 \| good	30.934 \| good	0.756 \| good	7.265 \| good	0.3 \| good
2025-07-29T06:00:00.000Z	66 \| moderate	16.775 \| fine	48.973 \| good	27.03 \| good	0.767 \| good	7.721 \| good	0.315 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	16.243 \| fine	65.576 \| fine	26.977 \| good	0.289 \| good	5.316 \| good	0.326 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	15.957 \| fine	60.604 \| fine	23.162 \| good	0.246 \| good	5.38 \| good	0.326 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	13.63 \| fine	52.501 \| good	24.876 \| good	0.153 \| good	7.746 \| good	0.348 \| good
2025-07-29T10:00:00.000Z	66 \| moderate	16.903 \| fine	32.234 \| good	20.885 \| good	0.136 \| good	10.371 \| good	0.38 \| good
2025-07-29T11:00:00.000Z	64 \| moderate	15.777 \| fine	53.34 \| good	19.779 \| good	0.169 \| good	11 \| good	0.405 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.566 \| fine	30.462 \| good	18.891 \| good	0.142 \| good	11.199 \| good	0.512 \| good
2025-07-29T13:00:00.000Z	58 \| moderate	13.423 \| fine	35.636 \| good	22.669 \| good	0.211 \| good	13.476 \| good	0.494 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	14.277 \| fine	39.196 \| good	31.335 \| good	0.192 \| good	10.043 \| good	0.426 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.238 \| fine	25.794 \| good	30.445 \| good	0.36 \| good	8.257 \| good	0.388 \| good
2025-07-29T16:00:00.000Z	56 \| moderate	12.262 \| fine	40.111 \| good	34.308 \| good	0.345 \| good	8.218 \| good	0.343 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	11.822 \| good	34.912 \| good	36.67 \| good	0.274 \| good	6.65 \| good	0.343 \| good
2025-07-29T18:00:00.000Z	54 \| moderate	10.833 \| good	41.956 \| good	38.535 \| good	0.216 \| good	5.087 \| good	0.419 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12.11 \| fine	34.867 \| good	44.962 \| good	0.216 \| good	6.648 \| good	0.317 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	12.377 \| fine	54.396 \| good	47.939 \| good	0.354 \| good	6.045 \| good	0.312 \| good
2025-07-29T21:00:00.000Z	56 \| moderate	12.155 \| fine	41.84 \| good	54.884 \| good	0.394 \| good	4.94 \| good	0.287 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	11.159 \| good	48.597 \| good	53.079 \| good	0.343 \| good	4.715 \| good	0.287 \| good
2025-07-29T23:00:00.000Z	64 \| moderate	10.786 \| good	24.035 \| good	59.298 \| fine	0.388 \| good	4.8 \| good	0.287 \| good
2025-07-30T00:00:00.000Z	58 \| moderate	13.279 \| fine	64.073 \| fine	48.357 \| good	0.403 \| good	4.503 \| good	0.313 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	13.014 \| fine	51.68 \| good	54.128 \| good	0.383 \| good	4.776 \| good	0.268 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.752 \| good	43.057 \| good	49.056 \| good	0.174 \| good	8.947 \| good	0.336 \| good
2025-07-30T03:00:00.000Z	73 \| moderate	21.201 \| fine	93.212 \| fine	28.562 \| good	0.88 \| good	9.345 \| good	0.342 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.997 \| good	32.545 \| good	38.986 \| good	0.255 \| good	20.393 \| good	0.332 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	11.22 \| good	58.76 \| fine	31.849 \| good	0.448 \| good	16.151 \| good	0.319 \| good
2025-07-30T06:00:00.000Z	60 \| moderate	13.732 \| fine	62.829 \| fine	30.217 \| good	0.373 \| good	13.617 \| good	0.27 \| good
2025-07-30T07:00:00.000Z	58 \| moderate	12.503 \| fine	49.453 \| good	27.721 \| good	0.212 \| good	11.3 \| good	0.248 \| good
2025-07-30T08:00:00.000Z	58 \| moderate	12.259 \| fine	69.083 \| fine	29.251 \| good	0.288 \| good	12.963 \| good	0.248 \| good
2025-07-30T09:00:00.000Z	58 \| moderate	13.052 \| fine	28.739 \| good	37.436 \| good	0.279 \| good	13.755 \| good	0.242 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.458 \| good	25.533 \| good	34.931 \| good	0.193 \| good	12.82 \| good	0.315 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.188 \| good	33.127 \| good	25.09 \| good	0.171 \| good	15.379 \| good	0.346 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.673 \| good	35.67 \| good	25.209 \| good	0.191 \| good	12.125 \| good	0.332 \| good
2025-07-30T13:00:00.000Z	49 \| good	8.824 \| good	25.204 \| good	27.516 \| good	0.21 \| good	10.913 \| good	0.287 \| good
2025-07-30T14:00:00.000Z	49 \| good	8.976 \| good	42.216 \| good	31.955 \| good	0.12 \| good	8.81 \| good	0.263 \| good
2025-07-30T15:00:00.000Z	49 \| good	8.694 \| good	38.786 \| good	33.781 \| good	0.2 \| good	10.725 \| good	0.304 \| good
2025-07-30T16:00:00.000Z	49 \| good	9.452 \| good	42.291 \| good	39.126 \| good	0.279 \| good	10.207 \| good	0.474 \| good
2025-07-30T17:00:00.000Z	55 \| moderate	9.871 \| good	63.477 \| fine	43.486 \| good	0.255 \| good	7.428 \| good	0.266 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.343 \| good	44.218 \| good	39.128 \| good	0.252 \| good	5.193 \| good	0.236 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.25 \| good	46.004 \| good	43.611 \| good	0.252 \| good	2.737 \| good	0.234 \| good
2025-07-29T18:00:00.000Z	64 \| moderate	16.417 \| fine	72.803 \| fine	50.417 \| good	0.441 \| good	1.052 \| good	0.196 \| good
2025-07-29T19:00:00.000Z	60 \| moderate	14.177 \| fine	63.722 \| fine	46.521 \| good	0.423 \| good	1.113 \| good	0.19 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	13.049 \| fine	58.915 \| fine	42.537 \| good	0.404 \| good	1.175 \| good	0.184 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	12.669 \| fine	56.718 \| fine	40.236 \| good	0.386 \| good	1.236 \| good	0.179 \| good
2025-07-29T22:00:00.000Z	64 \| moderate	15.833 \| fine	70.05 \| fine	36.796 \| good	0.451 \| good	3.235 \| good	0.205 \| good
2025-07-29T23:00:00.000Z	67 \| moderate	18.087 \| fine	79.692 \| fine	41.182 \| good	0.517 \| good	5.234 \| good	0.232 \| good
2025-07-30T00:00:00.000Z	75 \| moderate	21.521 \| fine	94.297 \| fine	38.949 \| good	0.582 \| good	7.233 \| good	0.258 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.284 \| fine	101.983 \| fine	35.293 \| good	0.596 \| good	7.41 \| good	0.255 \| good
2025-07-30T02:00:00.000Z	77 \| moderate	22.601 \| fine	98.673 \| fine	27.695 \| good	0.609 \| good	7.587 \| good	0.253 \| good
2025-07-30T03:00:00.000Z	73 \| moderate	21.375 \| fine	93.907 \| fine	22.081 \| good	0.623 \| good	7.763 \| good	0.25 \| good
2025-07-30T04:00:00.000Z	69 \| moderate	19.28 \| fine	85.456 \| fine	17.733 \| good	0.607 \| good	6.767 \| good	0.232 \| good
2025-07-30T05:00:00.000Z	64 \| moderate	16.305 \| fine	72.301 \| fine	13.84 \| good	0.591 \| good	5.771 \| good	0.214 \| good
2025-07-30T06:00:00.000Z	60 \| moderate	13.803 \| fine	62.117 \| fine	12.822 \| good	0.575 \| good	4.775 \| good	0.196 \| good
2025-07-30T07:00:00.000Z	64 \| moderate	15.87 \| fine	70.674 \| fine	12.367 \| good	0.576 \| good	4.74 \| good	0.196 \| good
2025-07-30T08:00:00.000Z	67 \| moderate	17.655 \| fine	78.692 \| fine	14.57 \| good	0.577 \| good	4.704 \| good	0.197 \| good
2025-07-30T09:00:00.000Z	75 \| moderate	22.054 \| fine	96.952 \| fine	16.985 \| good	0.578 \| good	4.668 \| good	0.198 \| good
2025-07-30T10:00:00.000Z	73 \| moderate	21.218 \| fine	93.191 \| fine	16.032 \| good	0.587 \| good	4.489 \| good	0.212 \| good
2025-07-30T11:00:00.000Z	75 \| moderate	21.897 \| fine	96.222 \| fine	18.538 \| good	0.596 \| good	4.31 \| good	0.226 \| good
2025-07-30T12:00:00.000Z	79 \| moderate	24.222 \| fine	105.447 \| fine	26.655 \| good	0.605 \| good	4.131 \| good	0.24 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.64 \| fine	90.947 \| fine	34.559 \| good	0.648 \| good	3.401 \| good	0.232 \| good
2025-07-30T14:00:00.000Z	67 \| moderate	17.906 \| fine	79.629 \| fine	40.772 \| good	0.691 \| good	2.671 \| good	0.225 \| good
2025-07-30T15:00:00.000Z	67 \| moderate	17.666 \| fine	78.461 \| fine	46.465 \| good	0.734 \| good	1.941 \| good	0.217 \| good
2025-07-30T16:00:00.000Z	67 \| moderate	18.369 \| fine	81.083 \| fine	50.883 \| good	0.626 \| good	1.647 \| good	0.206 \| good
2025-07-30T17:00:00.000Z	67 \| moderate	18.113 \| fine	80.275 \| fine	54.965 \| good	0.519 \| good	1.353 \| good	0.195 \| good
2025-07-30T18:00:00.000Z	67 \| moderate	17.745 \| fine	78.691 \| fine	54.058 \| good	0.412 \| good	1.058 \| good	0.183 \| good
2025-07-30T19:00:00.000Z	66 \| moderate	17.004 \| fine	75.665 \| fine	54.867 \| good	0.416 \| good	1.115 \| good	0.183 \| good
2025-07-30T20:00:00.000Z	66 \| moderate	17.433 \| fine	77.251 \| fine	58.572 \| fine	0.42 \| good	1.173 \| good	0.183 \| good
2025-07-30T21:00:00.000Z	69 \| moderate	18.676 \| fine	83.045 \| fine	58.024 \| fine	0.425 \| good	1.23 \| good	0.183 \| good
2025-07-30T22:00:00.000Z	71 \| moderate	20.313 \| fine	88.961 \| fine	54.636 \| good	0.495 \| good	3.197 \| good	0.209 \| good
2025-07-30T23:00:00.000Z	73 \| moderate	21.172 \| fine	93.454 \| fine	53.123 \| good	0.566 \| good	5.165 \| good	0.236 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.938 \| fine	100.494 \| fine	49.734 \| good	0.637 \| good	7.133 \| good	0.262 \| good
2025-07-31T01:00:00.000Z	77 \| moderate	22.716 \| fine	99.898 \| fine	46.884 \| good	0.684 \| good	9.083 \| good	0.293 \| good
2025-07-31T02:00:00.000Z	71 \| moderate	19.919 \| fine	87.646 \| fine	44.456 \| good	0.732 \| good	11.032 \| good	0.323 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	17.106 \| fine	75.677 \| fine	39.975 \| good	0.78 \| good	12.982 \| good	0.353 \| good
2025-07-31T04:00:00.000Z	58 \| moderate	13.372 \| fine	60.609 \| fine	34.441 \| good	0.754 \| good	13.507 \| good	0.362 \| good
2025-07-31T05:00:00.000Z	56 \| moderate	11.507 \| good	50.96 \| good	31.266 \| good	0.728 \| good	14.031 \| good	0.371 \| good
2025-07-31T06:00:00.000Z	54 \| moderate	11.361 \| good	50.242 \| good	29.331 \| good	0.701 \| good	14.556 \| good	0.379 \| good
2025-07-31T07:00:00.000Z	56 \| moderate	11.728 \| good	52.096 \| good	27.882 \| good	0.677 \| good	13.3 \| good	0.363 \| good
2025-07-31T08:00:00.000Z	58 \| moderate	12.933 \| fine	58.241 \| fine	27.508 \| good	0.653 \| good	12.045 \| good	0.348 \| good
2025-07-31T09:00:00.000Z	66 \| moderate	17.229 \| fine	76.092 \| fine	22.859 \| good	0.628 \| good	10.789 \| good	0.332 \| good
2025-07-31T10:00:00.000Z	69 \| moderate	19.226 \| fine	84.664 \| fine	22.886 \| good	0.61 \| good	8.38 \| good	0.296 \| good
2025-07-31T11:00:00.000Z	71 \| moderate	20.143 \| fine	88.315 \| fine	23.354 \| good	0.592 \| good	5.97 \| good	0.259 \| good
2025-07-31T12:00:00.000Z	75 \| moderate	22.394 \| fine	97.661 \| fine	25.63 \| good	0.573 \| good	3.561 \| good	0.222 \| good
2025-07-31T13:00:00.000Z	73 \| moderate	21.11 \| fine	92.93 \| fine	28.294 \| good	0.613 \| good	3.367 \| good	0.214 \| good
2025-07-31T14:00:00.000Z	71 \| moderate	19.64 \| fine	86.541 \| fine	36.099 \| good	0.652 \| good	3.173 \| good	0.205 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.72 \| fine	78.338 \| fine	42.082 \| good	0.691 \| good	2.98 \| good	0.196 \| good
2025-07-31T16:00:00.000Z	62 \| moderate	14.844 \| fine	66.409 \| fine	41.291 \| good	0.672 \| good	2.654 \| good	0.196 \| good
2025-07-31T17:00:00.000Z	54 \| moderate	10.99 \| good	48.708 \| good	40.93 \| good	0.653 \| good	2.329 \| good	0.196 \| 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?