What are the current PM10 levels at Killingly, Connecticut?

The current PM10 levels in Killingly, Connecticut are 29.599 μg/m3.

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

The current sulfur dioxide (SO2) levels in Killingly, Connecticut are 0.207 ppb.

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

The current ozone (O3) levels at Killingly, Connecticut is 34.081 ppm.

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

The current nitrogen dioxide (NO2) levels at Killingly, Connecticut is 9.943 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)

Moderate

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)

9.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.27 μg/m³

155

255

425

605+

Ozone (O₃)

41.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-28T19:00:00.000Z	52 \| moderate	10.346 \| good	30.764 \| good	42.128 \| good	0.14 \| good	5.811 \| good	0.34 \| good
2025-07-28T20:00:00.000Z	58 \| moderate	12.519 \| fine	38.442 \| good	35.346 \| good	0.146 \| good	4.094 \| good	0.299 \| good
2025-07-28T21:00:00.000Z	44 \| good	8.033 \| good	37.47 \| good	36.168 \| good	0.159 \| good	4.726 \| good	0.313 \| good
2025-07-28T22:00:00.000Z	56 \| moderate	11.877 \| good	38.396 \| good	36.152 \| good	0.181 \| good	3.716 \| good	0.31 \| good
2025-07-28T23:00:00.000Z	52 \| moderate	9.833 \| good	47.802 \| good	39.077 \| good	0.183 \| good	3.362 \| good	0.337 \| good
2025-07-29T00:00:00.000Z	58 \| moderate	13.411 \| fine	37.429 \| good	46.84 \| good	0.221 \| good	3.708 \| good	0.323 \| good
2025-07-29T01:00:00.000Z	56 \| moderate	11.614 \| good	35.679 \| good	37.404 \| good	0.167 \| good	6.396 \| good	0.361 \| good
2025-07-29T02:00:00.000Z	58 \| moderate	12.607 \| fine	49.8 \| good	35.23 \| good	0.193 \| good	14.094 \| good	0.399 \| good
2025-07-29T03:00:00.000Z	58 \| moderate	12.976 \| fine	45.145 \| good	29.326 \| good	0.223 \| good	17.962 \| good	0.428 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	14.131 \| fine	36.096 \| good	33.089 \| good	0.29 \| good	18.371 \| good	0.492 \| good
2025-07-29T05:00:00.000Z	66 \| moderate	17.469 \| fine	30.591 \| good	34.903 \| good	0.684 \| good	8.511 \| good	0.279 \| good
2025-07-29T06:00:00.000Z	64 \| moderate	16.337 \| fine	72.054 \| fine	35.551 \| good	0.759 \| good	10.49 \| good	0.308 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.457 \| fine	55.745 \| fine	31.298 \| good	0.245 \| good	5.259 \| good	0.317 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	15.292 \| fine	61.679 \| fine	30.68 \| good	0.185 \| good	7.96 \| good	0.317 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.566 \| fine	48.029 \| good	26.957 \| good	0.148 \| good	6.262 \| good	0.377 \| good
2025-07-29T10:00:00.000Z	64 \| moderate	15.771 \| fine	39.382 \| good	20.665 \| good	0.132 \| good	7.076 \| good	0.402 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	14.97 \| fine	53.541 \| good	26.37 \| good	0.144 \| good	11.113 \| good	0.428 \| good
2025-07-29T12:00:00.000Z	63 \| moderate	14.368 \| fine	78.628 \| fine	22.818 \| good	0.201 \| good	11.498 \| good	0.505 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	14.455 \| fine	37.388 \| good	14.427 \| good	0.205 \| good	10.278 \| good	0.506 \| good
2025-07-29T14:00:00.000Z	64 \| moderate	16.213 \| fine	76.465 \| fine	20.119 \| good	0.179 \| good	7.924 \| good	0.456 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	14.222 \| fine	57.57 \| fine	30.109 \| good	0.188 \| good	8.219 \| good	0.369 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	14.026 \| fine	52.694 \| good	34.046 \| good	0.178 \| good	7.718 \| good	0.318 \| good
2025-07-29T17:00:00.000Z	60 \| moderate	13.539 \| fine	37.622 \| good	36.938 \| good	0.211 \| good	4.715 \| good	0.318 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.777 \| good	50.664 \| good	41.196 \| good	0.192 \| good	5.237 \| good	0.364 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.836 \| good	32.051 \| good	45.878 \| good	0.207 \| good	6.489 \| good	0.321 \| good
2025-07-29T20:00:00.000Z	52 \| moderate	10.294 \| good	35.796 \| good	46.004 \| good	0.316 \| good	4.371 \| good	0.34 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	11.242 \| good	28.421 \| good	48.468 \| good	0.302 \| good	4.74 \| good	0.313 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.637 \| good	48.355 \| good	44.59 \| good	0.302 \| good	4.875 \| good	0.313 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.262 \| good	29.597 \| good	49.808 \| good	0.33 \| good	4.388 \| good	0.313 \| good
2025-07-30T00:00:00.000Z	49 \| good	8.697 \| good	29.804 \| good	39.593 \| good	0.333 \| good	6.103 \| good	0.337 \| good
2025-07-30T01:00:00.000Z	49 \| good	9.029 \| good	29.952 \| good	43.966 \| good	0.313 \| good	5.578 \| good	0.263 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.76 \| good	34.909 \| good	44.359 \| good	0.164 \| good	5.755 \| good	0.349 \| good
2025-07-30T03:00:00.000Z	62 \| moderate	15.377 \| fine	69 \| fine	24.834 \| good	0.749 \| good	7.223 \| good	0.264 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.738 \| good	35.489 \| good	43.28 \| good	0.238 \| good	10.456 \| good	0.392 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	10.28 \| good	33.603 \| good	47.273 \| good	0.422 \| good	14.521 \| good	0.364 \| good
2025-07-30T06:00:00.000Z	52 \| moderate	10.029 \| good	54.156 \| good	41.801 \| good	0.337 \| good	15.821 \| good	0.29 \| good
2025-07-30T07:00:00.000Z	60 \| moderate	14.181 \| fine	53.208 \| good	33.395 \| good	0.254 \| good	13.227 \| good	0.289 \| good
2025-07-30T08:00:00.000Z	49 \| good	8.968 \| good	50.454 \| good	30.128 \| good	0.356 \| good	15.135 \| good	0.289 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.41 \| good	23.456 \| good	37.014 \| good	0.234 \| good	12.96 \| good	0.262 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.131 \| good	24.437 \| good	34.811 \| good	0.181 \| good	9.592 \| good	0.327 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.597 \| good	34.411 \| good	33.222 \| good	0.163 \| good	12.94 \| good	0.375 \| good
2025-07-30T12:00:00.000Z	49 \| good	9.184 \| good	31.005 \| good	23.749 \| good	0.191 \| good	13.017 \| good	0.354 \| good
2025-07-30T13:00:00.000Z	49 \| good	9.157 \| good	29.065 \| good	24.009 \| good	0.206 \| good	10.832 \| good	0.304 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	9.575 \| good	26.3 \| good	31.336 \| good	0.178 \| good	9.867 \| good	0.266 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.771 \| good	29.599 \| good	34.081 \| good	0.207 \| good	9.943 \| good	0.281 \| good
2025-07-30T16:00:00.000Z	61 \| moderate	10.118 \| good	74.896 \| fine	34.821 \| good	0.261 \| good	6.573 \| good	0.247 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.977 \| good	41.274 \| good	41.866 \| good	0.26 \| good	4.235 \| good	0.261 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.438 \| good	44.221 \| good	43.864 \| good	0.278 \| good	2.676 \| good	0.201 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	9.977 \| good	41.274 \| good	41.866 \| good	0.26 \| good	4.235 \| good	0.261 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.848 \| good	52.412 \| good	44.722 \| good	0.618 \| good	1.522 \| good	0.199 \| good
2025-07-30T18:00:00.000Z	58 \| moderate	13.22 \| fine	59.342 \| fine	46.624 \| good	0.471 \| good	1.155 \| good	0.19 \| good
2025-07-30T19:00:00.000Z	58 \| moderate	13.011 \| fine	58.769 \| fine	44.121 \| good	0.492 \| good	1.214 \| good	0.187 \| good
2025-07-30T20:00:00.000Z	56 \| moderate	12.478 \| fine	56.614 \| fine	37.437 \| good	0.513 \| good	1.273 \| good	0.183 \| good
2025-07-30T21:00:00.000Z	56 \| moderate	12.37 \| fine	56.252 \| fine	36.521 \| good	0.534 \| good	1.332 \| good	0.179 \| good
2025-07-30T22:00:00.000Z	56 \| moderate	11.692 \| good	51.544 \| good	36.77 \| good	0.653 \| good	2.65 \| good	0.199 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.354 \| good	46.035 \| good	38.116 \| good	0.772 \| good	3.969 \| good	0.218 \| good
2025-07-31T00:00:00.000Z	58 \| moderate	13.12 \| fine	59.18 \| fine	36.394 \| good	0.891 \| good	5.287 \| good	0.238 \| good
2025-07-31T01:00:00.000Z	58 \| moderate	13.233 \| fine	59.488 \| fine	38.522 \| good	0.881 \| good	5.563 \| good	0.243 \| good
2025-07-31T02:00:00.000Z	60 \| moderate	13.758 \| fine	61.337 \| fine	38.317 \| good	0.872 \| good	5.84 \| good	0.248 \| good
2025-07-31T03:00:00.000Z	60 \| moderate	14.256 \| fine	63.313 \| fine	34.606 \| good	0.862 \| good	6.116 \| good	0.253 \| good
2025-07-31T04:00:00.000Z	62 \| moderate	15.332 \| fine	68.769 \| fine	30.406 \| good	0.778 \| good	5.383 \| good	0.245 \| good
2025-07-31T05:00:00.000Z	66 \| moderate	16.581 \| fine	73.332 \| fine	26.213 \| good	0.693 \| good	4.651 \| good	0.236 \| good
2025-07-31T06:00:00.000Z	66 \| moderate	16.651 \| fine	73.776 \| fine	25.109 \| good	0.609 \| good	3.918 \| good	0.227 \| good
2025-07-31T07:00:00.000Z	67 \| moderate	18.044 \| fine	79.638 \| fine	23.135 \| good	0.565 \| good	3.339 \| good	0.23 \| good
2025-07-31T08:00:00.000Z	67 \| moderate	18.423 \| fine	81.112 \| fine	21.179 \| good	0.521 \| good	2.761 \| good	0.233 \| good
2025-07-31T09:00:00.000Z	73 \| moderate	20.925 \| fine	91.453 \| fine	19.615 \| good	0.476 \| good	2.182 \| good	0.235 \| good
2025-07-31T10:00:00.000Z	71 \| moderate	20.312 \| fine	89.343 \| fine	18.182 \| good	0.52 \| good	2.391 \| good	0.24 \| good
2025-07-31T11:00:00.000Z	73 \| moderate	20.938 \| fine	91.812 \| fine	20.27 \| good	0.564 \| good	2.6 \| good	0.244 \| good
2025-07-31T12:00:00.000Z	79 \| moderate	23.646 \| fine	103.38 \| fine	27.008 \| good	0.607 \| good	2.809 \| good	0.249 \| good
2025-07-31T13:00:00.000Z	75 \| moderate	22.359 \| fine	97.445 \| fine	30.032 \| good	0.605 \| good	2.52 \| good	0.25 \| good
2025-07-31T14:00:00.000Z	71 \| moderate	19.669 \| fine	87.083 \| fine	29.639 \| good	0.603 \| good	2.23 \| good	0.251 \| good
2025-07-31T15:00:00.000Z	66 \| moderate	16.584 \| fine	73.343 \| fine	35.522 \| good	0.602 \| good	1.94 \| good	0.252 \| good
2025-07-31T16:00:00.000Z	66 \| moderate	16.728 \| fine	73.907 \| fine	34.317 \| good	0.571 \| good	1.84 \| good	0.247 \| good
2025-07-31T17:00:00.000Z	67 \| moderate	17.807 \| fine	78.981 \| fine	31.829 \| good	0.541 \| good	1.741 \| good	0.242 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	15.737 \| fine	70.824 \| fine	28.388 \| good	0.511 \| good	1.642 \| good	0.237 \| good
2025-07-31T19:00:00.000Z	62 \| moderate	14.908 \| fine	66.934 \| fine	26.616 \| good	0.524 \| good	1.802 \| good	0.239 \| good
2025-07-31T20:00:00.000Z	62 \| moderate	15.484 \| fine	69 \| fine	25.637 \| good	0.537 \| good	1.962 \| good	0.24 \| good
2025-07-31T21:00:00.000Z	62 \| moderate	15.072 \| fine	67 \| fine	23.386 \| good	0.549 \| good	2.122 \| good	0.242 \| good
2025-07-31T22:00:00.000Z	64 \| moderate	15.854 \| fine	71.074 \| fine	22.431 \| good	0.564 \| good	3.32 \| good	0.249 \| good
2025-07-31T23:00:00.000Z	62 \| moderate	15.406 \| fine	69 \| fine	22.999 \| good	0.579 \| good	4.517 \| good	0.255 \| good
2025-08-01T00:00:00.000Z	66 \| moderate	16.56 \| fine	73.037 \| fine	20.935 \| good	0.594 \| good	5.715 \| good	0.262 \| good
2025-08-01T01:00:00.000Z	64 \| moderate	16.261 \| fine	72.535 \| fine	19.988 \| good	0.626 \| good	5.843 \| good	0.262 \| good
2025-08-01T02:00:00.000Z	64 \| moderate	16.372 \| fine	72.695 \| fine	21.148 \| good	0.657 \| good	5.971 \| good	0.262 \| good
2025-08-01T03:00:00.000Z	66 \| moderate	16.919 \| fine	74.748 \| fine	22.154 \| good	0.689 \| good	6.099 \| good	0.262 \| good
2025-08-01T04:00:00.000Z	66 \| moderate	16.559 \| fine	73.16 \| fine	20.251 \| good	0.746 \| good	6.015 \| good	0.261 \| good
2025-08-01T05:00:00.000Z	62 \| moderate	15.476 \| fine	68.946 \| fine	17.987 \| good	0.804 \| good	5.931 \| good	0.26 \| good
2025-08-01T06:00:00.000Z	60 \| moderate	13.562 \| fine	60.926 \| fine	17.387 \| good	0.862 \| good	5.847 \| good	0.258 \| good
2025-08-01T07:00:00.000Z	56 \| moderate	12.173 \| fine	54.676 \| good	18.82 \| good	0.93 \| good	5.559 \| good	0.254 \| good
2025-08-01T08:00:00.000Z	54 \| moderate	11.405 \| good	50.612 \| good	19.243 \| good	0.998 \| good	5.272 \| good	0.249 \| good
2025-08-01T09:00:00.000Z	44 \| good	8.275 \| good	36.067 \| good	16.785 \| good	1.066 \| good	4.984 \| good	0.244 \| good
2025-08-01T10:00:00.000Z	38 \| good	6.79 \| good	30.156 \| good	17.94 \| good	0.974 \| good	4.549 \| good	0.239 \| good
2025-08-01T11:00:00.000Z	38 \| good	6.952 \| good	31.13 \| good	18.777 \| good	0.882 \| good	4.114 \| good	0.234 \| good
2025-08-01T12:00:00.000Z	33 \| good	6.418 \| good	28.382 \| good	21.404 \| good	0.791 \| good	3.679 \| good	0.23 \| good
2025-08-01T13:00:00.000Z	33 \| good	5.706 \| good	24.314 \| good	22.345 \| good	0.712 \| good	3.93 \| good	0.226 \| good
2025-08-01T14:00:00.000Z	27 \| good	5.203 \| good	22.257 \| good	24.669 \| good	0.633 \| good	4.181 \| good	0.222 \| good
2025-08-01T15:00:00.000Z	27 \| good	5.363 \| good	23 \| good	25.634 \| good	0.554 \| good	4.432 \| good	0.218 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.07 \| good	21.953 \| good	24.843 \| good	0.56 \| good	3.994 \| good	0.214 \| good

Killingly

Empower business decisions with accurate air quality data

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

0.28ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 03:00:00 on 2025-07-30.

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

The best air quality in Killingly, Connecticut was recorded at 01:00:00 on 2025-07-30.

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

The real-time air quality index in Killingly, Connecticut is 52, currently categorized as Moderate.

Which pollutant is found most often in Killingly, Connecticut?

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

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 9.771 μg/m³.

What are the current PM₁₀ levels at Killingly, Connecticut?

The current PM₁₀ levels in Killingly, Connecticut are 29.599 μg/m³.

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

The current carbon monoxide (CO) level in Killingly, Connecticut is 0.281 ppm.

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

The current sulfur dioxide (SO₂) levels in Killingly, Connecticut are 0.207 ppb.

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

The current ozone (O₃) levels at Killingly, Connecticut is 34.081 ppm.

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

The current nitrogen dioxide (NO₂) levels at Killingly, Connecticut is 9.943 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T19:00:00.000Z	52 \| moderate	10.346 \| good	30.764 \| good	42.128 \| good	0.14 \| good	5.811 \| good	0.34 \| good
2025-07-28T20:00:00.000Z	58 \| moderate	12.519 \| fine	38.442 \| good	35.346 \| good	0.146 \| good	4.094 \| good	0.299 \| good
2025-07-28T21:00:00.000Z	44 \| good	8.033 \| good	37.47 \| good	36.168 \| good	0.159 \| good	4.726 \| good	0.313 \| good
2025-07-28T22:00:00.000Z	56 \| moderate	11.877 \| good	38.396 \| good	36.152 \| good	0.181 \| good	3.716 \| good	0.31 \| good
2025-07-28T23:00:00.000Z	52 \| moderate	9.833 \| good	47.802 \| good	39.077 \| good	0.183 \| good	3.362 \| good	0.337 \| good
2025-07-29T00:00:00.000Z	58 \| moderate	13.411 \| fine	37.429 \| good	46.84 \| good	0.221 \| good	3.708 \| good	0.323 \| good
2025-07-29T01:00:00.000Z	56 \| moderate	11.614 \| good	35.679 \| good	37.404 \| good	0.167 \| good	6.396 \| good	0.361 \| good
2025-07-29T02:00:00.000Z	58 \| moderate	12.607 \| fine	49.8 \| good	35.23 \| good	0.193 \| good	14.094 \| good	0.399 \| good
2025-07-29T03:00:00.000Z	58 \| moderate	12.976 \| fine	45.145 \| good	29.326 \| good	0.223 \| good	17.962 \| good	0.428 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	14.131 \| fine	36.096 \| good	33.089 \| good	0.29 \| good	18.371 \| good	0.492 \| good
2025-07-29T05:00:00.000Z	66 \| moderate	17.469 \| fine	30.591 \| good	34.903 \| good	0.684 \| good	8.511 \| good	0.279 \| good
2025-07-29T06:00:00.000Z	64 \| moderate	16.337 \| fine	72.054 \| fine	35.551 \| good	0.759 \| good	10.49 \| good	0.308 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.457 \| fine	55.745 \| fine	31.298 \| good	0.245 \| good	5.259 \| good	0.317 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	15.292 \| fine	61.679 \| fine	30.68 \| good	0.185 \| good	7.96 \| good	0.317 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.566 \| fine	48.029 \| good	26.957 \| good	0.148 \| good	6.262 \| good	0.377 \| good
2025-07-29T10:00:00.000Z	64 \| moderate	15.771 \| fine	39.382 \| good	20.665 \| good	0.132 \| good	7.076 \| good	0.402 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	14.97 \| fine	53.541 \| good	26.37 \| good	0.144 \| good	11.113 \| good	0.428 \| good
2025-07-29T12:00:00.000Z	63 \| moderate	14.368 \| fine	78.628 \| fine	22.818 \| good	0.201 \| good	11.498 \| good	0.505 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	14.455 \| fine	37.388 \| good	14.427 \| good	0.205 \| good	10.278 \| good	0.506 \| good
2025-07-29T14:00:00.000Z	64 \| moderate	16.213 \| fine	76.465 \| fine	20.119 \| good	0.179 \| good	7.924 \| good	0.456 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	14.222 \| fine	57.57 \| fine	30.109 \| good	0.188 \| good	8.219 \| good	0.369 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	14.026 \| fine	52.694 \| good	34.046 \| good	0.178 \| good	7.718 \| good	0.318 \| good
2025-07-29T17:00:00.000Z	60 \| moderate	13.539 \| fine	37.622 \| good	36.938 \| good	0.211 \| good	4.715 \| good	0.318 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.777 \| good	50.664 \| good	41.196 \| good	0.192 \| good	5.237 \| good	0.364 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.836 \| good	32.051 \| good	45.878 \| good	0.207 \| good	6.489 \| good	0.321 \| good
2025-07-29T20:00:00.000Z	52 \| moderate	10.294 \| good	35.796 \| good	46.004 \| good	0.316 \| good	4.371 \| good	0.34 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	11.242 \| good	28.421 \| good	48.468 \| good	0.302 \| good	4.74 \| good	0.313 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.637 \| good	48.355 \| good	44.59 \| good	0.302 \| good	4.875 \| good	0.313 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.262 \| good	29.597 \| good	49.808 \| good	0.33 \| good	4.388 \| good	0.313 \| good
2025-07-30T00:00:00.000Z	49 \| good	8.697 \| good	29.804 \| good	39.593 \| good	0.333 \| good	6.103 \| good	0.337 \| good
2025-07-30T01:00:00.000Z	49 \| good	9.029 \| good	29.952 \| good	43.966 \| good	0.313 \| good	5.578 \| good	0.263 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	9.76 \| good	34.909 \| good	44.359 \| good	0.164 \| good	5.755 \| good	0.349 \| good
2025-07-30T03:00:00.000Z	62 \| moderate	15.377 \| fine	69 \| fine	24.834 \| good	0.749 \| good	7.223 \| good	0.264 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.738 \| good	35.489 \| good	43.28 \| good	0.238 \| good	10.456 \| good	0.392 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	10.28 \| good	33.603 \| good	47.273 \| good	0.422 \| good	14.521 \| good	0.364 \| good
2025-07-30T06:00:00.000Z	52 \| moderate	10.029 \| good	54.156 \| good	41.801 \| good	0.337 \| good	15.821 \| good	0.29 \| good
2025-07-30T07:00:00.000Z	60 \| moderate	14.181 \| fine	53.208 \| good	33.395 \| good	0.254 \| good	13.227 \| good	0.289 \| good
2025-07-30T08:00:00.000Z	49 \| good	8.968 \| good	50.454 \| good	30.128 \| good	0.356 \| good	15.135 \| good	0.289 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.41 \| good	23.456 \| good	37.014 \| good	0.234 \| good	12.96 \| good	0.262 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.131 \| good	24.437 \| good	34.811 \| good	0.181 \| good	9.592 \| good	0.327 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.597 \| good	34.411 \| good	33.222 \| good	0.163 \| good	12.94 \| good	0.375 \| good
2025-07-30T12:00:00.000Z	49 \| good	9.184 \| good	31.005 \| good	23.749 \| good	0.191 \| good	13.017 \| good	0.354 \| good
2025-07-30T13:00:00.000Z	49 \| good	9.157 \| good	29.065 \| good	24.009 \| good	0.206 \| good	10.832 \| good	0.304 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	9.575 \| good	26.3 \| good	31.336 \| good	0.178 \| good	9.867 \| good	0.266 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.771 \| good	29.599 \| good	34.081 \| good	0.207 \| good	9.943 \| good	0.281 \| good
2025-07-30T16:00:00.000Z	61 \| moderate	10.118 \| good	74.896 \| fine	34.821 \| good	0.261 \| good	6.573 \| good	0.247 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.977 \| good	41.274 \| good	41.866 \| good	0.26 \| good	4.235 \| good	0.261 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.438 \| good	44.221 \| good	43.864 \| good	0.278 \| good	2.676 \| good	0.201 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	9.977 \| good	41.274 \| good	41.866 \| good	0.26 \| good	4.235 \| good	0.261 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.848 \| good	52.412 \| good	44.722 \| good	0.618 \| good	1.522 \| good	0.199 \| good
2025-07-30T18:00:00.000Z	58 \| moderate	13.22 \| fine	59.342 \| fine	46.624 \| good	0.471 \| good	1.155 \| good	0.19 \| good
2025-07-30T19:00:00.000Z	58 \| moderate	13.011 \| fine	58.769 \| fine	44.121 \| good	0.492 \| good	1.214 \| good	0.187 \| good
2025-07-30T20:00:00.000Z	56 \| moderate	12.478 \| fine	56.614 \| fine	37.437 \| good	0.513 \| good	1.273 \| good	0.183 \| good
2025-07-30T21:00:00.000Z	56 \| moderate	12.37 \| fine	56.252 \| fine	36.521 \| good	0.534 \| good	1.332 \| good	0.179 \| good
2025-07-30T22:00:00.000Z	56 \| moderate	11.692 \| good	51.544 \| good	36.77 \| good	0.653 \| good	2.65 \| good	0.199 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	10.354 \| good	46.035 \| good	38.116 \| good	0.772 \| good	3.969 \| good	0.218 \| good
2025-07-31T00:00:00.000Z	58 \| moderate	13.12 \| fine	59.18 \| fine	36.394 \| good	0.891 \| good	5.287 \| good	0.238 \| good
2025-07-31T01:00:00.000Z	58 \| moderate	13.233 \| fine	59.488 \| fine	38.522 \| good	0.881 \| good	5.563 \| good	0.243 \| good
2025-07-31T02:00:00.000Z	60 \| moderate	13.758 \| fine	61.337 \| fine	38.317 \| good	0.872 \| good	5.84 \| good	0.248 \| good
2025-07-31T03:00:00.000Z	60 \| moderate	14.256 \| fine	63.313 \| fine	34.606 \| good	0.862 \| good	6.116 \| good	0.253 \| good
2025-07-31T04:00:00.000Z	62 \| moderate	15.332 \| fine	68.769 \| fine	30.406 \| good	0.778 \| good	5.383 \| good	0.245 \| good
2025-07-31T05:00:00.000Z	66 \| moderate	16.581 \| fine	73.332 \| fine	26.213 \| good	0.693 \| good	4.651 \| good	0.236 \| good
2025-07-31T06:00:00.000Z	66 \| moderate	16.651 \| fine	73.776 \| fine	25.109 \| good	0.609 \| good	3.918 \| good	0.227 \| good
2025-07-31T07:00:00.000Z	67 \| moderate	18.044 \| fine	79.638 \| fine	23.135 \| good	0.565 \| good	3.339 \| good	0.23 \| good
2025-07-31T08:00:00.000Z	67 \| moderate	18.423 \| fine	81.112 \| fine	21.179 \| good	0.521 \| good	2.761 \| good	0.233 \| good
2025-07-31T09:00:00.000Z	73 \| moderate	20.925 \| fine	91.453 \| fine	19.615 \| good	0.476 \| good	2.182 \| good	0.235 \| good
2025-07-31T10:00:00.000Z	71 \| moderate	20.312 \| fine	89.343 \| fine	18.182 \| good	0.52 \| good	2.391 \| good	0.24 \| good
2025-07-31T11:00:00.000Z	73 \| moderate	20.938 \| fine	91.812 \| fine	20.27 \| good	0.564 \| good	2.6 \| good	0.244 \| good
2025-07-31T12:00:00.000Z	79 \| moderate	23.646 \| fine	103.38 \| fine	27.008 \| good	0.607 \| good	2.809 \| good	0.249 \| good
2025-07-31T13:00:00.000Z	75 \| moderate	22.359 \| fine	97.445 \| fine	30.032 \| good	0.605 \| good	2.52 \| good	0.25 \| good
2025-07-31T14:00:00.000Z	71 \| moderate	19.669 \| fine	87.083 \| fine	29.639 \| good	0.603 \| good	2.23 \| good	0.251 \| good
2025-07-31T15:00:00.000Z	66 \| moderate	16.584 \| fine	73.343 \| fine	35.522 \| good	0.602 \| good	1.94 \| good	0.252 \| good
2025-07-31T16:00:00.000Z	66 \| moderate	16.728 \| fine	73.907 \| fine	34.317 \| good	0.571 \| good	1.84 \| good	0.247 \| good
2025-07-31T17:00:00.000Z	67 \| moderate	17.807 \| fine	78.981 \| fine	31.829 \| good	0.541 \| good	1.741 \| good	0.242 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	15.737 \| fine	70.824 \| fine	28.388 \| good	0.511 \| good	1.642 \| good	0.237 \| good
2025-07-31T19:00:00.000Z	62 \| moderate	14.908 \| fine	66.934 \| fine	26.616 \| good	0.524 \| good	1.802 \| good	0.239 \| good
2025-07-31T20:00:00.000Z	62 \| moderate	15.484 \| fine	69 \| fine	25.637 \| good	0.537 \| good	1.962 \| good	0.24 \| good
2025-07-31T21:00:00.000Z	62 \| moderate	15.072 \| fine	67 \| fine	23.386 \| good	0.549 \| good	2.122 \| good	0.242 \| good
2025-07-31T22:00:00.000Z	64 \| moderate	15.854 \| fine	71.074 \| fine	22.431 \| good	0.564 \| good	3.32 \| good	0.249 \| good
2025-07-31T23:00:00.000Z	62 \| moderate	15.406 \| fine	69 \| fine	22.999 \| good	0.579 \| good	4.517 \| good	0.255 \| good
2025-08-01T00:00:00.000Z	66 \| moderate	16.56 \| fine	73.037 \| fine	20.935 \| good	0.594 \| good	5.715 \| good	0.262 \| good
2025-08-01T01:00:00.000Z	64 \| moderate	16.261 \| fine	72.535 \| fine	19.988 \| good	0.626 \| good	5.843 \| good	0.262 \| good
2025-08-01T02:00:00.000Z	64 \| moderate	16.372 \| fine	72.695 \| fine	21.148 \| good	0.657 \| good	5.971 \| good	0.262 \| good
2025-08-01T03:00:00.000Z	66 \| moderate	16.919 \| fine	74.748 \| fine	22.154 \| good	0.689 \| good	6.099 \| good	0.262 \| good
2025-08-01T04:00:00.000Z	66 \| moderate	16.559 \| fine	73.16 \| fine	20.251 \| good	0.746 \| good	6.015 \| good	0.261 \| good
2025-08-01T05:00:00.000Z	62 \| moderate	15.476 \| fine	68.946 \| fine	17.987 \| good	0.804 \| good	5.931 \| good	0.26 \| good
2025-08-01T06:00:00.000Z	60 \| moderate	13.562 \| fine	60.926 \| fine	17.387 \| good	0.862 \| good	5.847 \| good	0.258 \| good
2025-08-01T07:00:00.000Z	56 \| moderate	12.173 \| fine	54.676 \| good	18.82 \| good	0.93 \| good	5.559 \| good	0.254 \| good
2025-08-01T08:00:00.000Z	54 \| moderate	11.405 \| good	50.612 \| good	19.243 \| good	0.998 \| good	5.272 \| good	0.249 \| good
2025-08-01T09:00:00.000Z	44 \| good	8.275 \| good	36.067 \| good	16.785 \| good	1.066 \| good	4.984 \| good	0.244 \| good
2025-08-01T10:00:00.000Z	38 \| good	6.79 \| good	30.156 \| good	17.94 \| good	0.974 \| good	4.549 \| good	0.239 \| good
2025-08-01T11:00:00.000Z	38 \| good	6.952 \| good	31.13 \| good	18.777 \| good	0.882 \| good	4.114 \| good	0.234 \| good
2025-08-01T12:00:00.000Z	33 \| good	6.418 \| good	28.382 \| good	21.404 \| good	0.791 \| good	3.679 \| good	0.23 \| good
2025-08-01T13:00:00.000Z	33 \| good	5.706 \| good	24.314 \| good	22.345 \| good	0.712 \| good	3.93 \| good	0.226 \| good
2025-08-01T14:00:00.000Z	27 \| good	5.203 \| good	22.257 \| good	24.669 \| good	0.633 \| good	4.181 \| good	0.222 \| good
2025-08-01T15:00:00.000Z	27 \| good	5.363 \| good	23 \| good	25.634 \| good	0.554 \| good	4.432 \| good	0.218 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.07 \| good	21.953 \| good	24.843 \| good	0.56 \| good	3.994 \| good	0.214 \| 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?