What is the current level of PM10 in New Canaan, Connecticut?

New Canaan, Connecticut currently has a PM10 concentration of 116.184 μg/m3.

What is the current level of sulfur dioxide (SO2) in New Canaan, Connecticut?

The current sulfur dioxide (SO2) concentration in New Canaan, Connecticut is 1.313 ppb.

What is the current level of ozone (O3) in New Canaan, Connecticut?

New Canaan, Connecticut currently has an ozone (O3) concentration of 41.356 ppm.

What is the current level of nitrogen dioxide (NO2) in New Canaan, Connecticut?

The current level of nitrogen dioxide (NO2) in New Canaan, Connecticut is 5.948 ppb.

Current air quality index in New Canaan, Connecticut today

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

Stay updated with real-time air quality in New Canaan, 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

New Canaan, Connecticut

Last updated: ... (Local time)

Common air pollutants in New Canaan, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.77 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

55.18 μg/m³

155

255

425

605+

Ozone (O₃)

25.81 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.87 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

New Canaan, Connecticut

Get Live Pollen Counts

New Canaan, Connecticut

Scroll To Air Quality Map

Track live New Canaan, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T12:00:00.000Z	54 \| moderate	11.165 \| good	43.717 \| good	18.728 \| good	0.442 \| good	11.376 \| good	0.339 \| good
2025-07-28T13:00:00.000Z	54 \| moderate	10.652 \| good	28.013 \| good	24.332 \| good	0.435 \| good	5.907 \| good	0.364 \| good
2025-07-28T14:00:00.000Z	52 \| moderate	10.429 \| good	47.427 \| good	22.548 \| good	0.287 \| good	3.924 \| good	0.354 \| good
2025-07-28T15:00:00.000Z	54 \| moderate	10.693 \| good	43.016 \| good	28.04 \| good	0.32 \| good	3.998 \| good	0.277 \| good
2025-07-28T16:00:00.000Z	51 \| moderate	9.362 \| good	54.577 \| good	31.318 \| good	0.418 \| good	3.223 \| good	0.222 \| good
2025-07-28T17:00:00.000Z	49 \| good	8.922 \| good	42.349 \| good	33.319 \| good	0.43 \| good	4.152 \| good	0.222 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.337 \| good	38.303 \| good	37.868 \| good	0.539 \| good	12.714 \| good	0.247 \| good
2025-07-28T19:00:00.000Z	49 \| good	8.9 \| good	43.332 \| good	34.703 \| good	0.332 \| good	7.211 \| good	0.222 \| good
2025-07-28T20:00:00.000Z	54 \| moderate	11.235 \| good	41.93 \| good	33.46 \| good	0.387 \| good	8.43 \| good	0.251 \| good
2025-07-28T21:00:00.000Z	44 \| good	7.991 \| good	41.93 \| good	33.013 \| good	0.463 \| good	3.061 \| good	0.257 \| good
2025-07-28T22:00:00.000Z	44 \| good	8.451 \| good	45.006 \| good	37.972 \| good	0.324 \| good	1.877 \| good	0.257 \| good
2025-07-28T23:00:00.000Z	45 \| good	8.159 \| good	36.705 \| good	48.545 \| good	0.38 \| good	4.474 \| good	0.265 \| good
2025-07-29T00:00:00.000Z	52 \| moderate	10.488 \| good	40.616 \| good	42.97 \| good	0.437 \| good	7.185 \| good	0.322 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	11.408 \| good	40.572 \| good	39.158 \| good	0.367 \| good	3.998 \| good	0.309 \| good
2025-07-29T02:00:00.000Z	56 \| moderate	12.304 \| fine	27.014 \| good	31.692 \| good	0.547 \| good	11.563 \| good	0.356 \| good
2025-07-29T03:00:00.000Z	62 \| moderate	14.789 \| fine	25.486 \| good	25.788 \| good	0.59 \| good	12.596 \| good	0.363 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	13.631 \| fine	38.447 \| good	22.843 \| good	0.566 \| good	10.068 \| good	0.385 \| good
2025-07-29T05:00:00.000Z	56 \| moderate	12.063 \| good	33.536 \| good	20.914 \| good	1.006 \| good	14.405 \| good	0.454 \| good
2025-07-29T06:00:00.000Z	64 \| moderate	16.389 \| fine	66.843 \| fine	21.012 \| good	0.953 \| good	13.417 \| good	0.353 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	15.56 \| fine	52.115 \| good	13.84 \| good	0.874 \| good	13.392 \| good	0.442 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	15.553 \| fine	64.698 \| fine	24.306 \| good	0.849 \| good	15.21 \| good	0.442 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.689 \| fine	68.353 \| fine	18.369 \| good	0.842 \| good	8.044 \| good	0.383 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.702 \| fine	61.576 \| fine	10.735 \| good	0.808 \| good	11.935 \| good	0.467 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	15.094 \| fine	35.83 \| good	17.599 \| good	0.851 \| good	14.562 \| good	0.522 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	13.831 \| fine	22.016 \| good	21.786 \| good	0.885 \| good	14.162 \| good	0.487 \| good
2025-07-29T13:00:00.000Z	62 \| moderate	14.501 \| fine	24.376 \| good	14.932 \| good	0.96 \| good	12.22 \| good	0.579 \| good
2025-07-29T14:00:00.000Z	66 \| moderate	16.93 \| fine	79.809 \| fine	16.791 \| good	0.783 \| good	15.719 \| good	0.46 \| good
2025-07-29T15:00:00.000Z	64 \| moderate	16.459 \| fine	51.239 \| good	30.965 \| good	1.061 \| good	18.262 \| good	0.426 \| good
2025-07-29T16:00:00.000Z	56 \| moderate	11.87 \| good	30.654 \| good	35.576 \| good	0.912 \| good	18.873 \| good	0.336 \| good
2025-07-29T17:00:00.000Z	54 \| moderate	10.682 \| good	50.302 \| good	38.516 \| good	0.861 \| good	15.171 \| good	0.296 \| good
2025-07-29T18:00:00.000Z	62 \| moderate	15.004 \| fine	68.823 \| fine	40.99 \| good	0.813 \| good	9.623 \| good	0.365 \| good
2025-07-29T19:00:00.000Z	58 \| moderate	13.26 \| fine	54.843 \| good	45.288 \| good	0.671 \| good	8.873 \| good	0.325 \| good
2025-07-29T20:00:00.000Z	49 \| good	9.315 \| good	37.335 \| good	42.9 \| good	0.981 \| good	15.965 \| good	0.333 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	10.245 \| good	38.69 \| good	44.116 \| good	1.072 \| good	13.286 \| good	0.317 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.76 \| fine	33.045 \| good	46.59 \| good	1.138 \| good	2.523 \| good	0.317 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.426 \| good	31.275 \| good	43.561 \| good	1.21 \| good	2.722 \| good	0.356 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	9.738 \| good	34.885 \| good	45.724 \| good	1.132 \| good	4.629 \| good	0.356 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.892 \| good	34.512 \| good	51.739 \| good	1.122 \| good	5.504 \| good	0.272 \| good
2025-07-30T02:00:00.000Z	58 \| moderate	11.322 \| good	42.834 \| good	56.744 \| fine	1.339 \| good	8.535 \| good	0.313 \| good
2025-07-30T03:00:00.000Z	64 \| moderate	15.539 \| fine	69.232 \| fine	19.88 \| good	1.331 \| good	13.518 \| good	0.296 \| good
2025-07-30T04:00:00.000Z	56 \| moderate	12.18 \| fine	52.341 \| good	33.401 \| good	1.464 \| good	13.538 \| good	0.274 \| good
2025-07-30T05:00:00.000Z	66 \| moderate	17.375 \| fine	80.922 \| fine	38.263 \| good	1.526 \| good	11.458 \| good	0.299 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	15.348 \| fine	68.27 \| fine	36.739 \| good	1.337 \| good	18.157 \| good	0.306 \| good
2025-07-30T07:00:00.000Z	62 \| moderate	15.443 \| fine	52.674 \| good	27.244 \| good	1.014 \| good	16.33 \| good	0.266 \| good
2025-07-30T08:00:00.000Z	66 \| moderate	16.751 \| fine	57.232 \| fine	25.215 \| good	0.947 \| good	14.445 \| good	0.266 \| good
2025-07-30T09:00:00.000Z	62 \| moderate	15.013 \| fine	61.594 \| fine	27.116 \| good	0.665 \| good	20.165 \| good	0.266 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	12.138 \| fine	33.476 \| good	20.371 \| good	0.607 \| good	19.924 \| good	0.32 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.766 \| good	55.179 \| fine	25.811 \| good	0.622 \| good	22.871 \| good	0.322 \| good
2025-07-27T23:00:00.000Z	67 \| moderate	16.066 \| fine	71.685 \| fine	60.339 \| fine	1.691 \| good	11.211 \| good	0.27 \| good
2025-07-28T00:00:00.000Z	61 \| moderate	9.226 \| good	40.691 \| good	58.431 \| fine	1.752 \| good	13.392 \| good	0.28 \| good
2025-07-28T01:00:00.000Z	52 \| moderate	10.377 \| good	45.813 \| good	53.147 \| good	1.767 \| good	14.093 \| good	0.29 \| good
2025-07-28T02:00:00.000Z	54 \| moderate	10.818 \| good	47.656 \| good	42.718 \| good	1.782 \| good	14.793 \| good	0.299 \| good
2025-07-28T03:00:00.000Z	54 \| moderate	11.491 \| good	50.551 \| good	32.513 \| good	1.796 \| good	15.494 \| good	0.308 \| good
2025-07-28T04:00:00.000Z	54 \| moderate	11.424 \| good	50.618 \| good	27.992 \| good	1.452 \| good	12.411 \| good	0.287 \| good
2025-07-28T05:00:00.000Z	52 \| moderate	9.876 \| good	43.94 \| good	22.444 \| good	1.107 \| good	9.328 \| good	0.266 \| good
2025-07-28T06:00:00.000Z	38 \| good	7.384 \| good	32.629 \| good	21.433 \| good	0.763 \| good	6.245 \| good	0.245 \| good
2025-07-28T07:00:00.000Z	27 \| good	5.469 \| good	23.944 \| good	20.717 \| good	0.683 \| good	5.419 \| good	0.241 \| good
2025-07-28T08:00:00.000Z	22 \| good	4.438 \| good	19.33 \| good	19.136 \| good	0.603 \| good	4.593 \| good	0.237 \| good
2025-07-28T09:00:00.000Z	19 \| good	3.498 \| good	15.409 \| good	20.14 \| good	0.523 \| good	3.767 \| good	0.234 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.431 \| good	19.287 \| good	18.253 \| good	0.594 \| good	4.043 \| good	0.248 \| good
2025-07-28T11:00:00.000Z	33 \| good	6.462 \| good	28.861 \| good	20.793 \| good	0.665 \| good	4.318 \| good	0.263 \| good
2025-07-28T12:00:00.000Z	49 \| good	8.992 \| good	39.828 \| good	30.727 \| good	0.735 \| good	4.593 \| good	0.278 \| good
2025-07-28T13:00:00.000Z	56 \| moderate	11.626 \| good	51.712 \| good	36.621 \| good	0.769 \| good	3.96 \| good	0.275 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.667 \| fine	61.219 \| fine	40.326 \| good	0.803 \| good	3.326 \| good	0.273 \| good
2025-07-28T15:00:00.000Z	62 \| moderate	14.72 \| fine	65.747 \| fine	41.114 \| good	0.837 \| good	2.692 \| good	0.27 \| good
2025-07-28T16:00:00.000Z	62 \| moderate	14.785 \| fine	66.356 \| fine	43.629 \| good	0.716 \| good	2.409 \| good	0.258 \| good
2025-07-28T17:00:00.000Z	62 \| moderate	15.451 \| fine	68.892 \| fine	48.453 \| good	0.596 \| good	2.125 \| good	0.246 \| good
2025-07-28T18:00:00.000Z	64 \| moderate	15.741 \| fine	70.584 \| fine	51.567 \| good	0.476 \| good	1.842 \| good	0.233 \| good
2025-07-28T19:00:00.000Z	62 \| moderate	15.326 \| fine	68.346 \| fine	51.316 \| good	0.426 \| good	1.832 \| good	0.226 \| good
2025-07-28T20:00:00.000Z	62 \| moderate	15.479 \| fine	68.847 \| fine	44.075 \| good	0.377 \| good	1.822 \| good	0.219 \| good
2025-07-28T21:00:00.000Z	67 \| moderate	18.305 \| fine	80.91 \| fine	47.179 \| good	0.327 \| good	1.812 \| good	0.211 \| good
2025-07-28T22:00:00.000Z	67 \| moderate	18 \| fine	79.157 \| fine	48.61 \| good	0.372 \| good	3.624 \| good	0.228 \| good
2025-07-28T23:00:00.000Z	67 \| moderate	18.402 \| fine	81.421 \| fine	46.936 \| good	0.416 \| good	5.437 \| good	0.244 \| good
2025-07-29T00:00:00.000Z	54 \| moderate	10.89 \| good	48.284 \| good	42.494 \| good	0.461 \| good	7.249 \| good	0.261 \| good
2025-07-29T01:00:00.000Z	52 \| moderate	10.22 \| good	45.372 \| good	37.29 \| good	0.562 \| good	9.191 \| good	0.281 \| good
2025-07-29T02:00:00.000Z	52 \| moderate	10.268 \| good	45.643 \| good	31.176 \| good	0.664 \| good	11.134 \| good	0.3 \| good
2025-07-29T03:00:00.000Z	52 \| moderate	10.163 \| good	45.29 \| good	28.71 \| good	0.765 \| good	13.076 \| good	0.32 \| good
2025-07-29T04:00:00.000Z	52 \| moderate	10.245 \| good	45.357 \| good	25.789 \| good	0.779 \| good	14.918 \| good	0.344 \| good
2025-07-29T05:00:00.000Z	54 \| moderate	11.468 \| good	51.104 \| good	21.796 \| good	0.794 \| good	16.76 \| good	0.367 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	14.297 \| fine	63.949 \| fine	19.571 \| good	0.808 \| good	18.602 \| good	0.391 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	15.68 \| fine	69.812 \| fine	18.386 \| good	0.823 \| good	18.184 \| good	0.39 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	16.455 \| fine	72.768 \| fine	17.572 \| good	0.838 \| good	17.765 \| good	0.389 \| good
2025-07-29T09:00:00.000Z	67 \| moderate	17.605 \| fine	78.068 \| fine	15.885 \| good	0.853 \| good	17.346 \| good	0.388 \| good
2025-07-29T10:00:00.000Z	71 \| moderate	19.86 \| fine	87.986 \| fine	15.558 \| good	0.954 \| good	14.961 \| good	0.38 \| good
2025-07-29T11:00:00.000Z	77 \| moderate	23.434 \| fine	102.623 \| fine	17.178 \| good	1.055 \| good	12.577 \| good	0.373 \| good
2025-07-29T12:00:00.000Z	82 \| moderate	25.743 \| fine	112.57 \| fine	27.834 \| good	1.157 \| good	10.192 \| good	0.365 \| good
2025-07-29T13:00:00.000Z	84 \| moderate	26.632 \| fine	115.94 \| fine	36.566 \| good	1.266 \| good	8.184 \| good	0.322 \| good
2025-07-29T14:00:00.000Z	84 \| moderate	26.879 \| fine	117.031 \| fine	45.274 \| good	1.375 \| good	6.176 \| good	0.279 \| good
2025-07-29T15:00:00.000Z	79 \| moderate	23.828 \| fine	104.604 \| fine	50.937 \| good	1.484 \| good	4.168 \| good	0.236 \| good
2025-07-29T16:00:00.000Z	75 \| moderate	22.234 \| fine	97.581 \| fine	59.379 \| fine	1.607 \| good	3.466 \| good	0.227 \| good
2025-07-29T17:00:00.000Z	90 \| moderate	23.18 \| fine	101.554 \| fine	67.489 \| fine	1.73 \| good	2.763 \| good	0.217 \| good
2025-07-29T18:00:00.000Z	129 \| sensitive	24.698 \| fine	107.868 \| fine	79.027 \| moderate	1.853 \| good	2.061 \| good	0.208 \| good
2025-07-29T19:00:00.000Z	150 \| sensitive	26.637 \| fine	116.23 \| fine	84.789 \| moderate	1.892 \| good	2.096 \| good	0.206 \| good
2025-07-29T20:00:00.000Z	140 \| sensitive	28.068 \| fine	122.236 \| fine	81.599 \| moderate	1.932 \| good	2.131 \| good	0.204 \| good
2025-07-29T21:00:00.000Z	136 \| sensitive	25.561 \| fine	111.593 \| fine	80.554 \| moderate	1.971 \| good	2.167 \| good	0.202 \| good
2025-07-29T22:00:00.000Z	87 \| moderate	21.021 \| fine	92.388 \| fine	66.322 \| fine	2.06 \| good	3.992 \| good	0.22 \| good

New Canaan

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near New Canaan, Connecticut

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How accurate is Connecticut, USA air quality data?

The air quality data for Connecticut, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for New Canaan, Connecticut get updated?

Air quality updates for New Canaan, Connecticut are available every hour.

What time in the past 24 hours saw the poorest air quality in New Canaan, Connecticut?

New Canaan, Connecticut experienced its worst air quality at 12:00:00, 2025-07-27.

When was air quality in New Canaan, Connecticut the best over the past 24 hours?

The best air quality in New Canaan, Connecticut was observed at 09:00:00 on 2025-07-27.

What is the air quality in New Canaan, Connecticut right now?

The air quality in New Canaan, Connecticut right now is Moderate, with an AQI of 84.

What pollutant is most frequently found in New Canaan, Connecticut?

In New Canaan, Connecticut, PM2.5 is the most frequently found pollutant.

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

When air quality in New Canaan, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in New Canaan, Connecticut right now?

New Canaan, Connecticut currently has a PM_2.5 concentration of 27.192 μg/m³.

What is the current level of PM₁₀ in New Canaan, Connecticut?

New Canaan, Connecticut currently has a PM₁₀ concentration of 116.184 μg/m³.

What is the current level of carbon monoxide (CO) in New Canaan, Connecticut?

The current carbon monoxide (CO) level in New Canaan, Connecticut is 0.51 ppm.

What is the current level of sulfur dioxide (SO₂) in New Canaan, Connecticut?

The current sulfur dioxide (SO₂) concentration in New Canaan, Connecticut is 1.313 ppb.

What is the current level of ozone (O₃) in New Canaan, Connecticut?

New Canaan, Connecticut currently has an ozone (O₃) concentration of 41.356 ppm.

What is the current level of nitrogen dioxide (NO₂) in New Canaan, Connecticut?

The current level of nitrogen dioxide (NO₂) in New Canaan, Connecticut is 5.948 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T12:00:00.000Z	54 \| moderate	11.165 \| good	43.717 \| good	18.728 \| good	0.442 \| good	11.376 \| good	0.339 \| good
2025-07-28T13:00:00.000Z	54 \| moderate	10.652 \| good	28.013 \| good	24.332 \| good	0.435 \| good	5.907 \| good	0.364 \| good
2025-07-28T14:00:00.000Z	52 \| moderate	10.429 \| good	47.427 \| good	22.548 \| good	0.287 \| good	3.924 \| good	0.354 \| good
2025-07-28T15:00:00.000Z	54 \| moderate	10.693 \| good	43.016 \| good	28.04 \| good	0.32 \| good	3.998 \| good	0.277 \| good
2025-07-28T16:00:00.000Z	51 \| moderate	9.362 \| good	54.577 \| good	31.318 \| good	0.418 \| good	3.223 \| good	0.222 \| good
2025-07-28T17:00:00.000Z	49 \| good	8.922 \| good	42.349 \| good	33.319 \| good	0.43 \| good	4.152 \| good	0.222 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.337 \| good	38.303 \| good	37.868 \| good	0.539 \| good	12.714 \| good	0.247 \| good
2025-07-28T19:00:00.000Z	49 \| good	8.9 \| good	43.332 \| good	34.703 \| good	0.332 \| good	7.211 \| good	0.222 \| good
2025-07-28T20:00:00.000Z	54 \| moderate	11.235 \| good	41.93 \| good	33.46 \| good	0.387 \| good	8.43 \| good	0.251 \| good
2025-07-28T21:00:00.000Z	44 \| good	7.991 \| good	41.93 \| good	33.013 \| good	0.463 \| good	3.061 \| good	0.257 \| good
2025-07-28T22:00:00.000Z	44 \| good	8.451 \| good	45.006 \| good	37.972 \| good	0.324 \| good	1.877 \| good	0.257 \| good
2025-07-28T23:00:00.000Z	45 \| good	8.159 \| good	36.705 \| good	48.545 \| good	0.38 \| good	4.474 \| good	0.265 \| good
2025-07-29T00:00:00.000Z	52 \| moderate	10.488 \| good	40.616 \| good	42.97 \| good	0.437 \| good	7.185 \| good	0.322 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	11.408 \| good	40.572 \| good	39.158 \| good	0.367 \| good	3.998 \| good	0.309 \| good
2025-07-29T02:00:00.000Z	56 \| moderate	12.304 \| fine	27.014 \| good	31.692 \| good	0.547 \| good	11.563 \| good	0.356 \| good
2025-07-29T03:00:00.000Z	62 \| moderate	14.789 \| fine	25.486 \| good	25.788 \| good	0.59 \| good	12.596 \| good	0.363 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	13.631 \| fine	38.447 \| good	22.843 \| good	0.566 \| good	10.068 \| good	0.385 \| good
2025-07-29T05:00:00.000Z	56 \| moderate	12.063 \| good	33.536 \| good	20.914 \| good	1.006 \| good	14.405 \| good	0.454 \| good
2025-07-29T06:00:00.000Z	64 \| moderate	16.389 \| fine	66.843 \| fine	21.012 \| good	0.953 \| good	13.417 \| good	0.353 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	15.56 \| fine	52.115 \| good	13.84 \| good	0.874 \| good	13.392 \| good	0.442 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	15.553 \| fine	64.698 \| fine	24.306 \| good	0.849 \| good	15.21 \| good	0.442 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.689 \| fine	68.353 \| fine	18.369 \| good	0.842 \| good	8.044 \| good	0.383 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.702 \| fine	61.576 \| fine	10.735 \| good	0.808 \| good	11.935 \| good	0.467 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	15.094 \| fine	35.83 \| good	17.599 \| good	0.851 \| good	14.562 \| good	0.522 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	13.831 \| fine	22.016 \| good	21.786 \| good	0.885 \| good	14.162 \| good	0.487 \| good
2025-07-29T13:00:00.000Z	62 \| moderate	14.501 \| fine	24.376 \| good	14.932 \| good	0.96 \| good	12.22 \| good	0.579 \| good
2025-07-29T14:00:00.000Z	66 \| moderate	16.93 \| fine	79.809 \| fine	16.791 \| good	0.783 \| good	15.719 \| good	0.46 \| good
2025-07-29T15:00:00.000Z	64 \| moderate	16.459 \| fine	51.239 \| good	30.965 \| good	1.061 \| good	18.262 \| good	0.426 \| good
2025-07-29T16:00:00.000Z	56 \| moderate	11.87 \| good	30.654 \| good	35.576 \| good	0.912 \| good	18.873 \| good	0.336 \| good
2025-07-29T17:00:00.000Z	54 \| moderate	10.682 \| good	50.302 \| good	38.516 \| good	0.861 \| good	15.171 \| good	0.296 \| good
2025-07-29T18:00:00.000Z	62 \| moderate	15.004 \| fine	68.823 \| fine	40.99 \| good	0.813 \| good	9.623 \| good	0.365 \| good
2025-07-29T19:00:00.000Z	58 \| moderate	13.26 \| fine	54.843 \| good	45.288 \| good	0.671 \| good	8.873 \| good	0.325 \| good
2025-07-29T20:00:00.000Z	49 \| good	9.315 \| good	37.335 \| good	42.9 \| good	0.981 \| good	15.965 \| good	0.333 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	10.245 \| good	38.69 \| good	44.116 \| good	1.072 \| good	13.286 \| good	0.317 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.76 \| fine	33.045 \| good	46.59 \| good	1.138 \| good	2.523 \| good	0.317 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.426 \| good	31.275 \| good	43.561 \| good	1.21 \| good	2.722 \| good	0.356 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	9.738 \| good	34.885 \| good	45.724 \| good	1.132 \| good	4.629 \| good	0.356 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.892 \| good	34.512 \| good	51.739 \| good	1.122 \| good	5.504 \| good	0.272 \| good
2025-07-30T02:00:00.000Z	58 \| moderate	11.322 \| good	42.834 \| good	56.744 \| fine	1.339 \| good	8.535 \| good	0.313 \| good
2025-07-30T03:00:00.000Z	64 \| moderate	15.539 \| fine	69.232 \| fine	19.88 \| good	1.331 \| good	13.518 \| good	0.296 \| good
2025-07-30T04:00:00.000Z	56 \| moderate	12.18 \| fine	52.341 \| good	33.401 \| good	1.464 \| good	13.538 \| good	0.274 \| good
2025-07-30T05:00:00.000Z	66 \| moderate	17.375 \| fine	80.922 \| fine	38.263 \| good	1.526 \| good	11.458 \| good	0.299 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	15.348 \| fine	68.27 \| fine	36.739 \| good	1.337 \| good	18.157 \| good	0.306 \| good
2025-07-30T07:00:00.000Z	62 \| moderate	15.443 \| fine	52.674 \| good	27.244 \| good	1.014 \| good	16.33 \| good	0.266 \| good
2025-07-30T08:00:00.000Z	66 \| moderate	16.751 \| fine	57.232 \| fine	25.215 \| good	0.947 \| good	14.445 \| good	0.266 \| good
2025-07-30T09:00:00.000Z	62 \| moderate	15.013 \| fine	61.594 \| fine	27.116 \| good	0.665 \| good	20.165 \| good	0.266 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	12.138 \| fine	33.476 \| good	20.371 \| good	0.607 \| good	19.924 \| good	0.32 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.766 \| good	55.179 \| fine	25.811 \| good	0.622 \| good	22.871 \| good	0.322 \| good
2025-07-27T23:00:00.000Z	67 \| moderate	16.066 \| fine	71.685 \| fine	60.339 \| fine	1.691 \| good	11.211 \| good	0.27 \| good
2025-07-28T00:00:00.000Z	61 \| moderate	9.226 \| good	40.691 \| good	58.431 \| fine	1.752 \| good	13.392 \| good	0.28 \| good
2025-07-28T01:00:00.000Z	52 \| moderate	10.377 \| good	45.813 \| good	53.147 \| good	1.767 \| good	14.093 \| good	0.29 \| good
2025-07-28T02:00:00.000Z	54 \| moderate	10.818 \| good	47.656 \| good	42.718 \| good	1.782 \| good	14.793 \| good	0.299 \| good
2025-07-28T03:00:00.000Z	54 \| moderate	11.491 \| good	50.551 \| good	32.513 \| good	1.796 \| good	15.494 \| good	0.308 \| good
2025-07-28T04:00:00.000Z	54 \| moderate	11.424 \| good	50.618 \| good	27.992 \| good	1.452 \| good	12.411 \| good	0.287 \| good
2025-07-28T05:00:00.000Z	52 \| moderate	9.876 \| good	43.94 \| good	22.444 \| good	1.107 \| good	9.328 \| good	0.266 \| good
2025-07-28T06:00:00.000Z	38 \| good	7.384 \| good	32.629 \| good	21.433 \| good	0.763 \| good	6.245 \| good	0.245 \| good
2025-07-28T07:00:00.000Z	27 \| good	5.469 \| good	23.944 \| good	20.717 \| good	0.683 \| good	5.419 \| good	0.241 \| good
2025-07-28T08:00:00.000Z	22 \| good	4.438 \| good	19.33 \| good	19.136 \| good	0.603 \| good	4.593 \| good	0.237 \| good
2025-07-28T09:00:00.000Z	19 \| good	3.498 \| good	15.409 \| good	20.14 \| good	0.523 \| good	3.767 \| good	0.234 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.431 \| good	19.287 \| good	18.253 \| good	0.594 \| good	4.043 \| good	0.248 \| good
2025-07-28T11:00:00.000Z	33 \| good	6.462 \| good	28.861 \| good	20.793 \| good	0.665 \| good	4.318 \| good	0.263 \| good
2025-07-28T12:00:00.000Z	49 \| good	8.992 \| good	39.828 \| good	30.727 \| good	0.735 \| good	4.593 \| good	0.278 \| good
2025-07-28T13:00:00.000Z	56 \| moderate	11.626 \| good	51.712 \| good	36.621 \| good	0.769 \| good	3.96 \| good	0.275 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.667 \| fine	61.219 \| fine	40.326 \| good	0.803 \| good	3.326 \| good	0.273 \| good
2025-07-28T15:00:00.000Z	62 \| moderate	14.72 \| fine	65.747 \| fine	41.114 \| good	0.837 \| good	2.692 \| good	0.27 \| good
2025-07-28T16:00:00.000Z	62 \| moderate	14.785 \| fine	66.356 \| fine	43.629 \| good	0.716 \| good	2.409 \| good	0.258 \| good
2025-07-28T17:00:00.000Z	62 \| moderate	15.451 \| fine	68.892 \| fine	48.453 \| good	0.596 \| good	2.125 \| good	0.246 \| good
2025-07-28T18:00:00.000Z	64 \| moderate	15.741 \| fine	70.584 \| fine	51.567 \| good	0.476 \| good	1.842 \| good	0.233 \| good
2025-07-28T19:00:00.000Z	62 \| moderate	15.326 \| fine	68.346 \| fine	51.316 \| good	0.426 \| good	1.832 \| good	0.226 \| good
2025-07-28T20:00:00.000Z	62 \| moderate	15.479 \| fine	68.847 \| fine	44.075 \| good	0.377 \| good	1.822 \| good	0.219 \| good
2025-07-28T21:00:00.000Z	67 \| moderate	18.305 \| fine	80.91 \| fine	47.179 \| good	0.327 \| good	1.812 \| good	0.211 \| good
2025-07-28T22:00:00.000Z	67 \| moderate	18 \| fine	79.157 \| fine	48.61 \| good	0.372 \| good	3.624 \| good	0.228 \| good
2025-07-28T23:00:00.000Z	67 \| moderate	18.402 \| fine	81.421 \| fine	46.936 \| good	0.416 \| good	5.437 \| good	0.244 \| good
2025-07-29T00:00:00.000Z	54 \| moderate	10.89 \| good	48.284 \| good	42.494 \| good	0.461 \| good	7.249 \| good	0.261 \| good
2025-07-29T01:00:00.000Z	52 \| moderate	10.22 \| good	45.372 \| good	37.29 \| good	0.562 \| good	9.191 \| good	0.281 \| good
2025-07-29T02:00:00.000Z	52 \| moderate	10.268 \| good	45.643 \| good	31.176 \| good	0.664 \| good	11.134 \| good	0.3 \| good
2025-07-29T03:00:00.000Z	52 \| moderate	10.163 \| good	45.29 \| good	28.71 \| good	0.765 \| good	13.076 \| good	0.32 \| good
2025-07-29T04:00:00.000Z	52 \| moderate	10.245 \| good	45.357 \| good	25.789 \| good	0.779 \| good	14.918 \| good	0.344 \| good
2025-07-29T05:00:00.000Z	54 \| moderate	11.468 \| good	51.104 \| good	21.796 \| good	0.794 \| good	16.76 \| good	0.367 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	14.297 \| fine	63.949 \| fine	19.571 \| good	0.808 \| good	18.602 \| good	0.391 \| good
2025-07-29T07:00:00.000Z	64 \| moderate	15.68 \| fine	69.812 \| fine	18.386 \| good	0.823 \| good	18.184 \| good	0.39 \| good
2025-07-29T08:00:00.000Z	64 \| moderate	16.455 \| fine	72.768 \| fine	17.572 \| good	0.838 \| good	17.765 \| good	0.389 \| good
2025-07-29T09:00:00.000Z	67 \| moderate	17.605 \| fine	78.068 \| fine	15.885 \| good	0.853 \| good	17.346 \| good	0.388 \| good
2025-07-29T10:00:00.000Z	71 \| moderate	19.86 \| fine	87.986 \| fine	15.558 \| good	0.954 \| good	14.961 \| good	0.38 \| good
2025-07-29T11:00:00.000Z	77 \| moderate	23.434 \| fine	102.623 \| fine	17.178 \| good	1.055 \| good	12.577 \| good	0.373 \| good
2025-07-29T12:00:00.000Z	82 \| moderate	25.743 \| fine	112.57 \| fine	27.834 \| good	1.157 \| good	10.192 \| good	0.365 \| good
2025-07-29T13:00:00.000Z	84 \| moderate	26.632 \| fine	115.94 \| fine	36.566 \| good	1.266 \| good	8.184 \| good	0.322 \| good
2025-07-29T14:00:00.000Z	84 \| moderate	26.879 \| fine	117.031 \| fine	45.274 \| good	1.375 \| good	6.176 \| good	0.279 \| good
2025-07-29T15:00:00.000Z	79 \| moderate	23.828 \| fine	104.604 \| fine	50.937 \| good	1.484 \| good	4.168 \| good	0.236 \| good
2025-07-29T16:00:00.000Z	75 \| moderate	22.234 \| fine	97.581 \| fine	59.379 \| fine	1.607 \| good	3.466 \| good	0.227 \| good
2025-07-29T17:00:00.000Z	90 \| moderate	23.18 \| fine	101.554 \| fine	67.489 \| fine	1.73 \| good	2.763 \| good	0.217 \| good
2025-07-29T18:00:00.000Z	129 \| sensitive	24.698 \| fine	107.868 \| fine	79.027 \| moderate	1.853 \| good	2.061 \| good	0.208 \| good
2025-07-29T19:00:00.000Z	150 \| sensitive	26.637 \| fine	116.23 \| fine	84.789 \| moderate	1.892 \| good	2.096 \| good	0.206 \| good
2025-07-29T20:00:00.000Z	140 \| sensitive	28.068 \| fine	122.236 \| fine	81.599 \| moderate	1.932 \| good	2.131 \| good	0.204 \| good
2025-07-29T21:00:00.000Z	136 \| sensitive	25.561 \| fine	111.593 \| fine	80.554 \| moderate	1.971 \| good	2.167 \| good	0.202 \| good
2025-07-29T22:00:00.000Z	87 \| moderate	21.021 \| fine	92.388 \| fine	66.322 \| fine	2.06 \| good	3.992 \| good	0.22 \| good

Current air quality index in New Canaan, Connecticut today

Common air pollutants in New Canaan, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near New Canaan, Connecticut

Air quality in nearby cities

Wilton, Connecticut

Darien, Connecticut

Norwalk, Connecticut

Lewisboro, New York

Stamford, Connecticut

Weston, Connecticut

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Frequently asked questions

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What is the PM2.5 concentration in New Canaan, Connecticut right now?

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What is the current level of carbon monoxide (CO) in New Canaan, Connecticut?

What is the current level of sulfur dioxide (SO2) in New Canaan, Connecticut?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in New Canaan, Connecticut right now?

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What is the current level of ozone (O₃) in New Canaan, Connecticut?

What is the current level of nitrogen dioxide (NO₂) in New Canaan, Connecticut?