What are the current PM10 levels at Killingly, Connecticut?

The current PM10 levels in Killingly, Connecticut are 16.608 μg/m3.

What are the current sulfur dioxide (SO2) levels at Killingly, Connecticut?

The current sulfur dioxide (SO2) levels in Killingly, Connecticut are 0.194 ppb.

What are the current ozone (O3) levels at Killingly, Connecticut?

The current ozone (O3) levels at Killingly, Connecticut is 43.927 ppm.

What are the current nitrogen dioxide (NO2) levels at Killingly, Connecticut?

The current nitrogen dioxide (NO2) levels at Killingly, Connecticut is 9.976 ppb.

Real-time air quality index in Killingly, Connecticut today

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

Stay updated with real-time air quality in Killingly, 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

Killingly, Connecticut

Last updated: ... (Local time)

Common air pollutants in Killingly, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.83 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.76 μg/m³

155

255

425

605+

Ozone (O₃)

22.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Killingly, Connecticut

Get Live Pollen Counts

Killingly, Connecticut

Scroll To Air Quality Map

Track live Killingly, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T08:00:00.000Z	33 \| good	6.321 \| good	27.408 \| good	23.405 \| good	0.225 \| good	3.813 \| good	0.204 \| good
2025-09-12T09:00:00.000Z	25 \| good	4.26 \| good	15.463 \| good	27.16 \| good	0.156 \| good	4.789 \| good	0.24 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.865 \| good	21.139 \| good	27.141 \| good	0.239 \| good	10.427 \| good	0.328 \| good
2025-09-12T11:00:00.000Z	33 \| good	5.761 \| good	17.029 \| good	25.183 \| good	0.291 \| good	11.561 \| good	0.352 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.591 \| good	22.508 \| good	23.853 \| good	0.242 \| good	11.908 \| good	0.369 \| good
2025-09-12T13:00:00.000Z	38 \| good	6.807 \| good	18.636 \| good	25.204 \| good	0.232 \| good	8.035 \| good	0.303 \| good
2025-09-12T14:00:00.000Z	33 \| good	5.613 \| good	16.285 \| good	24.487 \| good	0.243 \| good	6.382 \| good	0.263 \| good
2025-09-12T15:00:00.000Z	27 \| good	5.081 \| good	13.471 \| good	25.895 \| good	0.239 \| good	4.318 \| good	0.263 \| good
2025-09-12T16:00:00.000Z	33 \| good	5.638 \| good	14.033 \| good	26.596 \| good	0.234 \| good	3.886 \| good	0.225 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.021 \| good	14.308 \| good	30.452 \| good	0.267 \| good	3.446 \| good	0.2 \| good
2025-09-12T18:00:00.000Z	33 \| good	5.983 \| good	18.65 \| good	33.485 \| good	0.267 \| good	2.796 \| good	0.188 \| good
2025-09-12T19:00:00.000Z	34 \| good	6.049 \| good	24.048 \| good	36.892 \| good	0.249 \| good	3.155 \| good	0.225 \| good
2025-09-12T20:00:00.000Z	35 \| good	5.678 \| good	18.939 \| good	37.589 \| good	0.234 \| good	3.152 \| good	0.2 \| good
2025-09-12T21:00:00.000Z	36 \| good	5.634 \| good	22.242 \| good	38.947 \| good	0.283 \| good	2.703 \| good	0.226 \| good
2025-09-12T22:00:00.000Z	34 \| good	5.362 \| good	20.925 \| good	37.207 \| good	0.316 \| good	3.12 \| good	0.215 \| good
2025-09-12T23:00:00.000Z	32 \| good	5.339 \| good	16.399 \| good	35.146 \| good	0.207 \| good	4.096 \| good	0.251 \| good
2025-09-13T00:00:00.000Z	31 \| good	4.9 \| good	17.52 \| good	33.792 \| good	0.206 \| good	8.395 \| good	0.268 \| good
2025-09-13T01:00:00.000Z	30 \| good	4.586 \| good	18.688 \| good	32.272 \| good	0.311 \| good	6.582 \| good	0.294 \| good
2025-09-13T02:00:00.000Z	28 \| good	4.58 \| good	16.603 \| good	29.584 \| good	0.227 \| good	4.244 \| good	0.28 \| good
2025-09-13T03:00:00.000Z	25 \| good	4.065 \| good	15.399 \| good	26.986 \| good	0.213 \| good	4.855 \| good	0.332 \| good
2025-09-13T04:00:00.000Z	25 \| good	3.608 \| good	12.692 \| good	27.357 \| good	0.225 \| good	9.565 \| good	0.466 \| good
2025-09-13T05:00:00.000Z	25 \| good	4.255 \| good	20.797 \| good	27.049 \| good	0.223 \| good	9.032 \| good	0.418 \| good
2025-09-13T06:00:00.000Z	22 \| good	4.116 \| good	14.979 \| good	22.732 \| good	0.249 \| good	11.785 \| good	0.379 \| good
2025-09-13T07:00:00.000Z	22 \| good	4.34 \| good	16.354 \| good	19.917 \| good	0.204 \| good	8.831 \| good	0.38 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.393 \| good	11.863 \| good	16.892 \| good	0.217 \| good	9.871 \| good	0.391 \| good
2025-09-13T09:00:00.000Z	22 \| good	4.47 \| good	12.226 \| good	16.883 \| good	0.236 \| good	7.749 \| good	0.364 \| good
2025-09-13T10:00:00.000Z	49 \| good	8.796 \| good	18.056 \| good	19.777 \| good	0.267 \| good	7.62 \| good	0.388 \| good
2025-09-13T11:00:00.000Z	33 \| good	5.995 \| good	13.662 \| good	20.6 \| good	0.253 \| good	7.032 \| good	0.439 \| good
2025-09-13T12:00:00.000Z	33 \| good	5.83 \| good	11.234 \| good	18.331 \| good	0.155 \| good	9.261 \| good	0.478 \| good
2025-09-13T13:00:00.000Z	27 \| good	5.045 \| good	9.931 \| good	14.633 \| good	0.21 \| good	6.324 \| good	0.369 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.746 \| good	23.856 \| good	19.339 \| good	0.243 \| good	6.334 \| good	0.305 \| good
2025-09-13T15:00:00.000Z	27 \| good	5.296 \| good	22.885 \| good	25.188 \| good	0.212 \| good	4.146 \| good	0.266 \| good
2025-09-13T16:00:00.000Z	24 \| good	4.481 \| good	16.668 \| good	25.619 \| good	0.184 \| good	3.235 \| good	0.266 \| good
2025-09-13T17:00:00.000Z	30 \| good	4.066 \| good	20.14 \| good	31.515 \| good	0.212 \| good	2.885 \| good	0.256 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.473 \| good	26.287 \| good	33.419 \| good	0.23 \| good	2.425 \| good	0.256 \| good
2025-09-13T19:00:00.000Z	38 \| good	7.465 \| good	23.452 \| good	41.028 \| good	0.184 \| good	1.887 \| good	0.217 \| good
2025-09-13T20:00:00.000Z	35 \| good	5.203 \| good	24.477 \| good	38.145 \| good	0.199 \| good	2.434 \| good	0.254 \| good
2025-09-13T21:00:00.000Z	37 \| good	3.75 \| good	16.105 \| good	39.593 \| good	0.246 \| good	2.208 \| good	0.229 \| good
2025-09-13T22:00:00.000Z	36 \| good	3.678 \| good	13.147 \| good	39.42 \| good	0.319 \| good	2.083 \| good	0.254 \| good
2025-09-13T23:00:00.000Z	36 \| good	3.309 \| good	10.046 \| good	39.335 \| good	0.319 \| good	2.72 \| good	0.256 \| good
2025-09-14T00:00:00.000Z	32 \| good	3.223 \| good	17.215 \| good	34.612 \| good	0.302 \| good	4.189 \| good	0.268 \| good
2025-09-14T01:00:00.000Z	32 \| good	3.493 \| good	19.963 \| good	35.154 \| good	0.345 \| good	4.383 \| good	0.267 \| good
2025-09-14T02:00:00.000Z	31 \| good	3.867 \| good	20.268 \| good	32.916 \| good	0.294 \| good	4.421 \| good	0.329 \| good
2025-09-14T03:00:00.000Z	23 \| good	4.121 \| good	18.088 \| good	24.783 \| good	0.403 \| good	3.95 \| good	0.155 \| good
2025-09-14T04:00:00.000Z	28 \| good	5.259 \| good	17.064 \| good	30.07 \| good	0.293 \| good	3.97 \| good	0.283 \| good
2025-09-14T05:00:00.000Z	30 \| good	4.166 \| good	18.863 \| good	32.494 \| good	0.292 \| good	7.554 \| good	0.279 \| good
2025-09-14T06:00:00.000Z	27 \| good	5.139 \| good	20.482 \| good	27.383 \| good	0.504 \| good	3.362 \| good	0.239 \| good
2025-09-14T07:00:00.000Z	27 \| good	4.828 \| good	18.758 \| good	22.843 \| good	0.256 \| good	3.893 \| good	0.266 \| good
2025-09-14T07:00:00.000Z	27 \| good	4.828 \| good	18.758 \| good	22.843 \| good	0.256 \| good	3.893 \| good	0.266 \| good
2025-09-12T01:00:00.000Z	23 \| good	4.039 \| good	17.51 \| good	25.258 \| good	0.817 \| good	17.867 \| good	0.332 \| good
2025-09-12T02:00:00.000Z	33 \| good	5.592 \| good	23.687 \| good	23.414 \| good	0.835 \| good	17.563 \| good	0.338 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.8 \| good	30.461 \| good	21.203 \| good	0.853 \| good	17.259 \| good	0.345 \| good
2025-09-12T04:00:00.000Z	52 \| moderate	9.543 \| good	42.273 \| good	18.668 \| good	0.756 \| good	13.019 \| good	0.299 \| good
2025-09-12T05:00:00.000Z	54 \| moderate	10.547 \| good	46.808 \| good	19.573 \| good	0.66 \| good	8.779 \| good	0.253 \| good
2025-09-12T06:00:00.000Z	49 \| good	9.469 \| good	42.188 \| good	18.044 \| good	0.563 \| good	4.539 \| good	0.208 \| good
2025-09-12T07:00:00.000Z	44 \| good	8.216 \| good	36.245 \| good	17.693 \| good	0.523 \| good	3.84 \| good	0.196 \| good
2025-09-12T08:00:00.000Z	44 \| good	8.245 \| good	36.354 \| good	18.118 \| good	0.482 \| good	3.142 \| good	0.184 \| good
2025-09-12T09:00:00.000Z	38 \| good	6.706 \| good	29.948 \| good	16.403 \| good	0.441 \| good	2.443 \| good	0.172 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.861 \| good	25.629 \| good	15.795 \| good	0.465 \| good	2.724 \| good	0.175 \| good
2025-09-12T11:00:00.000Z	27 \| good	5.416 \| good	22.947 \| good	13.388 \| good	0.488 \| good	3.004 \| good	0.177 \| good
2025-09-12T12:00:00.000Z	33 \| good	6.076 \| good	26.963 \| good	14.615 \| good	0.511 \| good	3.284 \| good	0.18 \| good
2025-09-12T13:00:00.000Z	33 \| good	6.084 \| good	27 \| good	17.966 \| good	0.503 \| good	2.8 \| good	0.176 \| good
2025-09-12T14:00:00.000Z	38 \| good	6.968 \| good	30.767 \| good	22.396 \| good	0.494 \| good	2.316 \| good	0.171 \| good
2025-09-12T15:00:00.000Z	38 \| good	6.821 \| good	29.991 \| good	28.617 \| good	0.486 \| good	1.832 \| good	0.166 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.178 \| good	31.963 \| good	32.849 \| good	0.436 \| good	1.584 \| good	0.163 \| good
2025-09-12T17:00:00.000Z	34 \| good	6.055 \| good	26.911 \| good	36.643 \| good	0.386 \| good	1.336 \| good	0.16 \| good
2025-09-12T18:00:00.000Z	36 \| good	5.431 \| good	23.34 \| good	39.229 \| good	0.337 \| good	1.088 \| good	0.157 \| good
2025-09-12T19:00:00.000Z	37 \| good	5.53 \| good	23.917 \| good	40.196 \| good	0.338 \| good	1.247 \| good	0.157 \| good
2025-09-12T20:00:00.000Z	38 \| good	6.502 \| good	29.011 \| good	41.115 \| good	0.34 \| good	1.406 \| good	0.156 \| good
2025-09-12T21:00:00.000Z	39 \| good	6.27 \| good	27.908 \| good	41.721 \| good	0.341 \| good	1.565 \| good	0.156 \| good
2025-09-12T22:00:00.000Z	31 \| good	3.526 \| good	15.463 \| good	33.561 \| good	0.406 \| good	4.408 \| good	0.181 \| good
2025-09-12T23:00:00.000Z	25 \| good	1.499 \| good	6.139 \| good	26.549 \| good	0.471 \| good	7.25 \| good	0.206 \| good
2025-09-13T00:00:00.000Z	19 \| good	2.397 \| good	10.019 \| good	20.595 \| good	0.536 \| good	10.093 \| good	0.231 \| good
2025-09-13T01:00:00.000Z	17 \| good	2.541 \| good	10.263 \| good	17.571 \| good	0.583 \| good	10.484 \| good	0.233 \| good
2025-09-13T02:00:00.000Z	16 \| good	2.804 \| good	11.767 \| good	17.258 \| good	0.631 \| good	10.876 \| good	0.236 \| good
2025-09-13T03:00:00.000Z	17 \| good	2.969 \| good	12 \| good	18.032 \| good	0.679 \| good	11.267 \| good	0.238 \| good
2025-09-13T04:00:00.000Z	22 \| good	3.736 \| good	16.129 \| good	18.412 \| good	0.664 \| good	11.179 \| good	0.236 \| good
2025-09-13T05:00:00.000Z	22 \| good	3.742 \| good	16.129 \| good	19.007 \| good	0.649 \| good	11.091 \| good	0.235 \| good
2025-09-13T06:00:00.000Z	22 \| good	3.571 \| good	15.834 \| good	17.198 \| good	0.634 \| good	11.002 \| good	0.234 \| good
2025-09-13T07:00:00.000Z	16 \| good	3.12 \| good	13.725 \| good	17.449 \| good	0.631 \| good	10.585 \| good	0.23 \| good
2025-09-13T08:00:00.000Z	16 \| good	2.578 \| good	10.185 \| good	17.105 \| good	0.628 \| good	10.167 \| good	0.226 \| good
2025-09-13T09:00:00.000Z	15 \| good	2.406 \| good	9.793 \| good	15.622 \| good	0.625 \| good	9.749 \| good	0.222 \| good
2025-09-13T10:00:00.000Z	15 \| good	2.499 \| good	9.828 \| good	15.841 \| good	0.604 \| good	9.593 \| good	0.238 \| good
2025-09-13T11:00:00.000Z	16 \| good	2.553 \| good	10.041 \| good	16.492 \| good	0.582 \| good	9.438 \| good	0.254 \| good
2025-09-13T12:00:00.000Z	17 \| good	2.727 \| good	11.126 \| good	17.995 \| good	0.561 \| good	9.282 \| good	0.27 \| good
2025-09-13T13:00:00.000Z	22 \| good	3.54 \| good	15.833 \| good	22.639 \| good	0.594 \| good	6.936 \| good	0.234 \| good
2025-09-13T14:00:00.000Z	26 \| good	4.097 \| good	18.058 \| good	27.932 \| good	0.626 \| good	4.589 \| good	0.198 \| good
2025-09-13T15:00:00.000Z	31 \| good	5.419 \| good	23.146 \| good	33.23 \| good	0.659 \| good	2.243 \| good	0.162 \| good
2025-09-13T16:00:00.000Z	33 \| good	6.385 \| good	28.312 \| good	36.254 \| good	0.597 \| good	1.917 \| good	0.159 \| good
2025-09-13T17:00:00.000Z	34 \| good	6.469 \| good	28.968 \| good	37.231 \| good	0.535 \| good	1.591 \| good	0.156 \| good
2025-09-13T18:00:00.000Z	34 \| good	6.436 \| good	28.794 \| good	36.696 \| good	0.474 \| good	1.265 \| good	0.153 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.906 \| good	30.812 \| good	38.196 \| good	0.491 \| good	1.525 \| good	0.157 \| good
2025-09-13T20:00:00.000Z	38 \| good	7.024 \| good	31.074 \| good	40.997 \| good	0.508 \| good	1.786 \| good	0.16 \| good
2025-09-13T21:00:00.000Z	37 \| good	5.688 \| good	24.538 \| good	40.234 \| good	0.525 \| good	2.047 \| good	0.163 \| good
2025-09-13T22:00:00.000Z	34 \| good	4.424 \| good	19.143 \| good	36.546 \| good	0.518 \| good	3.136 \| good	0.17 \| good
2025-09-13T23:00:00.000Z	31 \| good	4.261 \| good	18.834 \| good	33.499 \| good	0.51 \| good	4.225 \| good	0.178 \| good
2025-09-14T00:00:00.000Z	42 \| good	6.832 \| good	7.304 \| good	44.817 \| good	0.506 \| good	5.405 \| good	0.186 \| good

Killingly

Empower business decisions with accurate air quality data

Killingly, Connecticut air quality map: Real-time AQI near you

0.30ppm

How accurate is Connecticut, USA air quality data?

Air quality measurements for Connecticut, 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 Killingly, Connecticut updated?

Air quality data for Killingly, Connecticut is updated on an hourly basis.

When did Killingly, Connecticut experience the worst air quality in the last 24 hours?

The worst air quality in Killingly, Connecticut was recorded at 11:00:00 on 2025-09-11.

When did Killingly, Connecticut have its best air quality in the last 24 hours?

The best air quality in Killingly, Connecticut was recorded at 02:00:00 on 2025-09-11.

What is the real-time air quality index for Killingly, Connecticut?

The real-time air quality index in Killingly, Connecticut is 41, currently categorized as Good.

Which pollutant is found most often in Killingly, Connecticut?

The most common pollutant in Killingly, Connecticut is O3.

What can I do if the air quality in Killingly, Connecticut is poor?

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

What are the current PM_2.5 levels in Killingly, Connecticut?

The measured PM_2.5 levels in Killingly, Connecticut at present are 3.869 μg/m³.

What are the current PM₁₀ levels at Killingly, Connecticut?

The current PM₁₀ levels in Killingly, Connecticut are 16.608 μg/m³.

What are the current carbon monoxide (CO) levels at Killingly, Connecticut?

The current carbon monoxide (CO) level in Killingly, Connecticut is 0.338 ppm.

What are the current sulfur dioxide (SO₂) levels at Killingly, Connecticut?

The current sulfur dioxide (SO₂) levels in Killingly, Connecticut are 0.194 ppb.

What are the current ozone (O₃) levels at Killingly, Connecticut?

The current ozone (O₃) levels at Killingly, Connecticut is 43.927 ppm.

What are the current nitrogen dioxide (NO₂) levels at Killingly, Connecticut?

The current nitrogen dioxide (NO₂) levels at Killingly, Connecticut is 9.976 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-12T08:00:00.000Z	33 \| good	6.321 \| good	27.408 \| good	23.405 \| good	0.225 \| good	3.813 \| good	0.204 \| good
2025-09-12T09:00:00.000Z	25 \| good	4.26 \| good	15.463 \| good	27.16 \| good	0.156 \| good	4.789 \| good	0.24 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.865 \| good	21.139 \| good	27.141 \| good	0.239 \| good	10.427 \| good	0.328 \| good
2025-09-12T11:00:00.000Z	33 \| good	5.761 \| good	17.029 \| good	25.183 \| good	0.291 \| good	11.561 \| good	0.352 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.591 \| good	22.508 \| good	23.853 \| good	0.242 \| good	11.908 \| good	0.369 \| good
2025-09-12T13:00:00.000Z	38 \| good	6.807 \| good	18.636 \| good	25.204 \| good	0.232 \| good	8.035 \| good	0.303 \| good
2025-09-12T14:00:00.000Z	33 \| good	5.613 \| good	16.285 \| good	24.487 \| good	0.243 \| good	6.382 \| good	0.263 \| good
2025-09-12T15:00:00.000Z	27 \| good	5.081 \| good	13.471 \| good	25.895 \| good	0.239 \| good	4.318 \| good	0.263 \| good
2025-09-12T16:00:00.000Z	33 \| good	5.638 \| good	14.033 \| good	26.596 \| good	0.234 \| good	3.886 \| good	0.225 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.021 \| good	14.308 \| good	30.452 \| good	0.267 \| good	3.446 \| good	0.2 \| good
2025-09-12T18:00:00.000Z	33 \| good	5.983 \| good	18.65 \| good	33.485 \| good	0.267 \| good	2.796 \| good	0.188 \| good
2025-09-12T19:00:00.000Z	34 \| good	6.049 \| good	24.048 \| good	36.892 \| good	0.249 \| good	3.155 \| good	0.225 \| good
2025-09-12T20:00:00.000Z	35 \| good	5.678 \| good	18.939 \| good	37.589 \| good	0.234 \| good	3.152 \| good	0.2 \| good
2025-09-12T21:00:00.000Z	36 \| good	5.634 \| good	22.242 \| good	38.947 \| good	0.283 \| good	2.703 \| good	0.226 \| good
2025-09-12T22:00:00.000Z	34 \| good	5.362 \| good	20.925 \| good	37.207 \| good	0.316 \| good	3.12 \| good	0.215 \| good
2025-09-12T23:00:00.000Z	32 \| good	5.339 \| good	16.399 \| good	35.146 \| good	0.207 \| good	4.096 \| good	0.251 \| good
2025-09-13T00:00:00.000Z	31 \| good	4.9 \| good	17.52 \| good	33.792 \| good	0.206 \| good	8.395 \| good	0.268 \| good
2025-09-13T01:00:00.000Z	30 \| good	4.586 \| good	18.688 \| good	32.272 \| good	0.311 \| good	6.582 \| good	0.294 \| good
2025-09-13T02:00:00.000Z	28 \| good	4.58 \| good	16.603 \| good	29.584 \| good	0.227 \| good	4.244 \| good	0.28 \| good
2025-09-13T03:00:00.000Z	25 \| good	4.065 \| good	15.399 \| good	26.986 \| good	0.213 \| good	4.855 \| good	0.332 \| good
2025-09-13T04:00:00.000Z	25 \| good	3.608 \| good	12.692 \| good	27.357 \| good	0.225 \| good	9.565 \| good	0.466 \| good
2025-09-13T05:00:00.000Z	25 \| good	4.255 \| good	20.797 \| good	27.049 \| good	0.223 \| good	9.032 \| good	0.418 \| good
2025-09-13T06:00:00.000Z	22 \| good	4.116 \| good	14.979 \| good	22.732 \| good	0.249 \| good	11.785 \| good	0.379 \| good
2025-09-13T07:00:00.000Z	22 \| good	4.34 \| good	16.354 \| good	19.917 \| good	0.204 \| good	8.831 \| good	0.38 \| good
2025-09-13T08:00:00.000Z	22 \| good	4.393 \| good	11.863 \| good	16.892 \| good	0.217 \| good	9.871 \| good	0.391 \| good
2025-09-13T09:00:00.000Z	22 \| good	4.47 \| good	12.226 \| good	16.883 \| good	0.236 \| good	7.749 \| good	0.364 \| good
2025-09-13T10:00:00.000Z	49 \| good	8.796 \| good	18.056 \| good	19.777 \| good	0.267 \| good	7.62 \| good	0.388 \| good
2025-09-13T11:00:00.000Z	33 \| good	5.995 \| good	13.662 \| good	20.6 \| good	0.253 \| good	7.032 \| good	0.439 \| good
2025-09-13T12:00:00.000Z	33 \| good	5.83 \| good	11.234 \| good	18.331 \| good	0.155 \| good	9.261 \| good	0.478 \| good
2025-09-13T13:00:00.000Z	27 \| good	5.045 \| good	9.931 \| good	14.633 \| good	0.21 \| good	6.324 \| good	0.369 \| good
2025-09-13T14:00:00.000Z	33 \| good	5.746 \| good	23.856 \| good	19.339 \| good	0.243 \| good	6.334 \| good	0.305 \| good
2025-09-13T15:00:00.000Z	27 \| good	5.296 \| good	22.885 \| good	25.188 \| good	0.212 \| good	4.146 \| good	0.266 \| good
2025-09-13T16:00:00.000Z	24 \| good	4.481 \| good	16.668 \| good	25.619 \| good	0.184 \| good	3.235 \| good	0.266 \| good
2025-09-13T17:00:00.000Z	30 \| good	4.066 \| good	20.14 \| good	31.515 \| good	0.212 \| good	2.885 \| good	0.256 \| good
2025-09-13T18:00:00.000Z	33 \| good	6.473 \| good	26.287 \| good	33.419 \| good	0.23 \| good	2.425 \| good	0.256 \| good
2025-09-13T19:00:00.000Z	38 \| good	7.465 \| good	23.452 \| good	41.028 \| good	0.184 \| good	1.887 \| good	0.217 \| good
2025-09-13T20:00:00.000Z	35 \| good	5.203 \| good	24.477 \| good	38.145 \| good	0.199 \| good	2.434 \| good	0.254 \| good
2025-09-13T21:00:00.000Z	37 \| good	3.75 \| good	16.105 \| good	39.593 \| good	0.246 \| good	2.208 \| good	0.229 \| good
2025-09-13T22:00:00.000Z	36 \| good	3.678 \| good	13.147 \| good	39.42 \| good	0.319 \| good	2.083 \| good	0.254 \| good
2025-09-13T23:00:00.000Z	36 \| good	3.309 \| good	10.046 \| good	39.335 \| good	0.319 \| good	2.72 \| good	0.256 \| good
2025-09-14T00:00:00.000Z	32 \| good	3.223 \| good	17.215 \| good	34.612 \| good	0.302 \| good	4.189 \| good	0.268 \| good
2025-09-14T01:00:00.000Z	32 \| good	3.493 \| good	19.963 \| good	35.154 \| good	0.345 \| good	4.383 \| good	0.267 \| good
2025-09-14T02:00:00.000Z	31 \| good	3.867 \| good	20.268 \| good	32.916 \| good	0.294 \| good	4.421 \| good	0.329 \| good
2025-09-14T03:00:00.000Z	23 \| good	4.121 \| good	18.088 \| good	24.783 \| good	0.403 \| good	3.95 \| good	0.155 \| good
2025-09-14T04:00:00.000Z	28 \| good	5.259 \| good	17.064 \| good	30.07 \| good	0.293 \| good	3.97 \| good	0.283 \| good
2025-09-14T05:00:00.000Z	30 \| good	4.166 \| good	18.863 \| good	32.494 \| good	0.292 \| good	7.554 \| good	0.279 \| good
2025-09-14T06:00:00.000Z	27 \| good	5.139 \| good	20.482 \| good	27.383 \| good	0.504 \| good	3.362 \| good	0.239 \| good
2025-09-14T07:00:00.000Z	27 \| good	4.828 \| good	18.758 \| good	22.843 \| good	0.256 \| good	3.893 \| good	0.266 \| good
2025-09-14T07:00:00.000Z	27 \| good	4.828 \| good	18.758 \| good	22.843 \| good	0.256 \| good	3.893 \| good	0.266 \| good
2025-09-12T01:00:00.000Z	23 \| good	4.039 \| good	17.51 \| good	25.258 \| good	0.817 \| good	17.867 \| good	0.332 \| good
2025-09-12T02:00:00.000Z	33 \| good	5.592 \| good	23.687 \| good	23.414 \| good	0.835 \| good	17.563 \| good	0.338 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.8 \| good	30.461 \| good	21.203 \| good	0.853 \| good	17.259 \| good	0.345 \| good
2025-09-12T04:00:00.000Z	52 \| moderate	9.543 \| good	42.273 \| good	18.668 \| good	0.756 \| good	13.019 \| good	0.299 \| good
2025-09-12T05:00:00.000Z	54 \| moderate	10.547 \| good	46.808 \| good	19.573 \| good	0.66 \| good	8.779 \| good	0.253 \| good
2025-09-12T06:00:00.000Z	49 \| good	9.469 \| good	42.188 \| good	18.044 \| good	0.563 \| good	4.539 \| good	0.208 \| good
2025-09-12T07:00:00.000Z	44 \| good	8.216 \| good	36.245 \| good	17.693 \| good	0.523 \| good	3.84 \| good	0.196 \| good
2025-09-12T08:00:00.000Z	44 \| good	8.245 \| good	36.354 \| good	18.118 \| good	0.482 \| good	3.142 \| good	0.184 \| good
2025-09-12T09:00:00.000Z	38 \| good	6.706 \| good	29.948 \| good	16.403 \| good	0.441 \| good	2.443 \| good	0.172 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.861 \| good	25.629 \| good	15.795 \| good	0.465 \| good	2.724 \| good	0.175 \| good
2025-09-12T11:00:00.000Z	27 \| good	5.416 \| good	22.947 \| good	13.388 \| good	0.488 \| good	3.004 \| good	0.177 \| good
2025-09-12T12:00:00.000Z	33 \| good	6.076 \| good	26.963 \| good	14.615 \| good	0.511 \| good	3.284 \| good	0.18 \| good
2025-09-12T13:00:00.000Z	33 \| good	6.084 \| good	27 \| good	17.966 \| good	0.503 \| good	2.8 \| good	0.176 \| good
2025-09-12T14:00:00.000Z	38 \| good	6.968 \| good	30.767 \| good	22.396 \| good	0.494 \| good	2.316 \| good	0.171 \| good
2025-09-12T15:00:00.000Z	38 \| good	6.821 \| good	29.991 \| good	28.617 \| good	0.486 \| good	1.832 \| good	0.166 \| good
2025-09-12T16:00:00.000Z	38 \| good	7.178 \| good	31.963 \| good	32.849 \| good	0.436 \| good	1.584 \| good	0.163 \| good
2025-09-12T17:00:00.000Z	34 \| good	6.055 \| good	26.911 \| good	36.643 \| good	0.386 \| good	1.336 \| good	0.16 \| good
2025-09-12T18:00:00.000Z	36 \| good	5.431 \| good	23.34 \| good	39.229 \| good	0.337 \| good	1.088 \| good	0.157 \| good
2025-09-12T19:00:00.000Z	37 \| good	5.53 \| good	23.917 \| good	40.196 \| good	0.338 \| good	1.247 \| good	0.157 \| good
2025-09-12T20:00:00.000Z	38 \| good	6.502 \| good	29.011 \| good	41.115 \| good	0.34 \| good	1.406 \| good	0.156 \| good
2025-09-12T21:00:00.000Z	39 \| good	6.27 \| good	27.908 \| good	41.721 \| good	0.341 \| good	1.565 \| good	0.156 \| good
2025-09-12T22:00:00.000Z	31 \| good	3.526 \| good	15.463 \| good	33.561 \| good	0.406 \| good	4.408 \| good	0.181 \| good
2025-09-12T23:00:00.000Z	25 \| good	1.499 \| good	6.139 \| good	26.549 \| good	0.471 \| good	7.25 \| good	0.206 \| good
2025-09-13T00:00:00.000Z	19 \| good	2.397 \| good	10.019 \| good	20.595 \| good	0.536 \| good	10.093 \| good	0.231 \| good
2025-09-13T01:00:00.000Z	17 \| good	2.541 \| good	10.263 \| good	17.571 \| good	0.583 \| good	10.484 \| good	0.233 \| good
2025-09-13T02:00:00.000Z	16 \| good	2.804 \| good	11.767 \| good	17.258 \| good	0.631 \| good	10.876 \| good	0.236 \| good
2025-09-13T03:00:00.000Z	17 \| good	2.969 \| good	12 \| good	18.032 \| good	0.679 \| good	11.267 \| good	0.238 \| good
2025-09-13T04:00:00.000Z	22 \| good	3.736 \| good	16.129 \| good	18.412 \| good	0.664 \| good	11.179 \| good	0.236 \| good
2025-09-13T05:00:00.000Z	22 \| good	3.742 \| good	16.129 \| good	19.007 \| good	0.649 \| good	11.091 \| good	0.235 \| good
2025-09-13T06:00:00.000Z	22 \| good	3.571 \| good	15.834 \| good	17.198 \| good	0.634 \| good	11.002 \| good	0.234 \| good
2025-09-13T07:00:00.000Z	16 \| good	3.12 \| good	13.725 \| good	17.449 \| good	0.631 \| good	10.585 \| good	0.23 \| good
2025-09-13T08:00:00.000Z	16 \| good	2.578 \| good	10.185 \| good	17.105 \| good	0.628 \| good	10.167 \| good	0.226 \| good
2025-09-13T09:00:00.000Z	15 \| good	2.406 \| good	9.793 \| good	15.622 \| good	0.625 \| good	9.749 \| good	0.222 \| good
2025-09-13T10:00:00.000Z	15 \| good	2.499 \| good	9.828 \| good	15.841 \| good	0.604 \| good	9.593 \| good	0.238 \| good
2025-09-13T11:00:00.000Z	16 \| good	2.553 \| good	10.041 \| good	16.492 \| good	0.582 \| good	9.438 \| good	0.254 \| good
2025-09-13T12:00:00.000Z	17 \| good	2.727 \| good	11.126 \| good	17.995 \| good	0.561 \| good	9.282 \| good	0.27 \| good
2025-09-13T13:00:00.000Z	22 \| good	3.54 \| good	15.833 \| good	22.639 \| good	0.594 \| good	6.936 \| good	0.234 \| good
2025-09-13T14:00:00.000Z	26 \| good	4.097 \| good	18.058 \| good	27.932 \| good	0.626 \| good	4.589 \| good	0.198 \| good
2025-09-13T15:00:00.000Z	31 \| good	5.419 \| good	23.146 \| good	33.23 \| good	0.659 \| good	2.243 \| good	0.162 \| good
2025-09-13T16:00:00.000Z	33 \| good	6.385 \| good	28.312 \| good	36.254 \| good	0.597 \| good	1.917 \| good	0.159 \| good
2025-09-13T17:00:00.000Z	34 \| good	6.469 \| good	28.968 \| good	37.231 \| good	0.535 \| good	1.591 \| good	0.156 \| good
2025-09-13T18:00:00.000Z	34 \| good	6.436 \| good	28.794 \| good	36.696 \| good	0.474 \| good	1.265 \| good	0.153 \| good
2025-09-13T19:00:00.000Z	38 \| good	6.906 \| good	30.812 \| good	38.196 \| good	0.491 \| good	1.525 \| good	0.157 \| good
2025-09-13T20:00:00.000Z	38 \| good	7.024 \| good	31.074 \| good	40.997 \| good	0.508 \| good	1.786 \| good	0.16 \| good
2025-09-13T21:00:00.000Z	37 \| good	5.688 \| good	24.538 \| good	40.234 \| good	0.525 \| good	2.047 \| good	0.163 \| good
2025-09-13T22:00:00.000Z	34 \| good	4.424 \| good	19.143 \| good	36.546 \| good	0.518 \| good	3.136 \| good	0.17 \| good
2025-09-13T23:00:00.000Z	31 \| good	4.261 \| good	18.834 \| good	33.499 \| good	0.51 \| good	4.225 \| good	0.178 \| good
2025-09-14T00:00:00.000Z	42 \| good	6.832 \| good	7.304 \| good	44.817 \| good	0.506 \| good	5.405 \| good	0.186 \| good

Real-time air quality index in Killingly, Connecticut today

Common air pollutants in Killingly, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Killingly, Connecticut air quality forecast and history

Empower business decisions with accurate air quality data

Killingly, Connecticut air quality map: Real-time AQI near you

Air quality in nearby cities

Glocester, Rhode Island

Plainfield, Connecticut

Burrillville, Rhode Island

Scituate, Rhode Island

Dudley, Massachusetts

Webster, Massachusetts

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Killingly, Connecticut updated?

When did Killingly, Connecticut experience the worst air quality in the last 24 hours?

When did Killingly, Connecticut have its best air quality in the last 24 hours?

What is the real-time air quality index for Killingly, Connecticut?

Which pollutant is found most often in Killingly, Connecticut?

What can I do if the air quality in Killingly, Connecticut is poor?

What are the current PM2.5 levels in Killingly, Connecticut?

What are the current PM10 levels at Killingly, Connecticut?

What are the current carbon monoxide (CO) levels at Killingly, Connecticut?

What are the current sulfur dioxide (SO2) levels at Killingly, Connecticut?

What are the current ozone (O3) levels at Killingly, Connecticut?

What are the current nitrogen dioxide (NO2) levels at Killingly, Connecticut?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Killingly, Connecticut?

What are the current PM₁₀ levels at Killingly, Connecticut?

What are the current sulfur dioxide (SO₂) levels at Killingly, Connecticut?

What are the current ozone (O₃) levels at Killingly, Connecticut?

What are the current nitrogen dioxide (NO₂) levels at Killingly, Connecticut?