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

New Canaan, Connecticut currently has a PM10 concentration of 2.882 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 0.415 ppb.

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

New Canaan, Connecticut currently has an ozone (O3) concentration of 21.877 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 2.505 ppb.

Current air quality index in New Canaan, Connecticut today

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

New Canaan, Connecticut currently has a PM2.5 concentration of 0.995 μg/m3.

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)

Good

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)

0.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

2.88 μg/m³

155

255

425

605+

Ozone (O₃)

21.88 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2026-09-26T23:00:00.000Z	31 \| good	3.532 \| good	12.161 \| good	33.798 \| good	0.156 \| good	2.215 \| good	0.187 \| good
2026-09-27T00:00:00.000Z	31 \| good	2.89 \| good	11.999 \| good	33.005 \| good	0.17 \| good	1.962 \| good	0.202 \| good
2026-09-27T01:00:00.000Z	31 \| good	3.22 \| good	11.963 \| good	32.977 \| good	0.194 \| good	1.817 \| good	0.202 \| good
2026-09-27T02:00:00.000Z	30 \| good	3.16 \| good	10.74 \| good	32.199 \| good	0.177 \| good	2.233 \| good	0.202 \| good
2026-09-27T03:00:00.000Z	28 \| good	0.754 \| good	2.901 \| good	30.088 \| good	0.122 \| good	1.704 \| good	0.131 \| good
2026-09-27T04:00:00.000Z	30 \| good	2.834 \| good	10.523 \| good	32.455 \| good	0.249 \| good	2.337 \| good	0.202 \| good
2026-09-27T05:00:00.000Z	31 \| good	3.091 \| good	11.138 \| good	33.199 \| good	0.387 \| good	2.254 \| good	0.202 \| good
2026-09-27T06:00:00.000Z	31 \| good	3.181 \| good	13.42 \| good	33.04 \| good	0.409 \| good	4.705 \| good	0.202 \| good
2026-09-27T07:00:00.000Z	30 \| good	2.688 \| good	8.919 \| good	32.312 \| good	0.432 \| good	4.682 \| good	0.211 \| good
2026-09-27T08:00:00.000Z	30 \| good	2.901 \| good	10.262 \| good	32.128 \| good	0.265 \| good	1.145 \| good	0.202 \| good
2026-09-27T09:00:00.000Z	30 \| good	2.803 \| good	11.028 \| good	32.066 \| good	0.271 \| good	1.099 \| good	0.187 \| good
2026-09-27T10:00:00.000Z	31 \| good	2.131 \| good	9.56 \| good	32.823 \| good	0.249 \| good	2.895 \| good	0.187 \| good
2026-09-27T11:00:00.000Z	30 \| good	1.327 \| good	7.595 \| good	31.991 \| good	0.249 \| good	5.364 \| good	0.187 \| good
2026-09-27T12:00:00.000Z	30 \| good	1.488 \| good	9.889 \| good	32.05 \| good	0.31 \| good	2.94 \| good	0.187 \| good
2026-09-27T13:00:00.000Z	30 \| good	5.212 \| good	5.605 \| good	32.013 \| good	0.265 \| good	1.679 \| good	0.187 \| good
2026-09-27T14:00:00.000Z	30 \| good	1.161 \| good	2.692 \| good	32.013 \| good	0.249 \| good	2.815 \| good	0.203 \| good
2026-09-27T15:00:00.000Z	30 \| good	1.278 \| good	4.108 \| good	31.762 \| good	0.272 \| good	2.876 \| good	0.203 \| good
2026-09-27T16:00:00.000Z	28 \| good	0.774 \| good	2.808 \| good	30.331 \| good	0.464 \| good	2.735 \| good	0.203 \| good
2026-09-27T17:00:00.000Z	28 \| good	1.224 \| good	4.092 \| good	30.221 \| good	0.483 \| good	3.143 \| good	0.203 \| good
2026-09-27T18:00:00.000Z	28 \| good	1.631 \| good	4.441 \| good	30.049 \| good	0.484 \| good	4.364 \| good	0.219 \| good
2026-09-27T19:00:00.000Z	28 \| good	1.343 \| good	4.633 \| good	29.946 \| good	0.205 \| good	2.621 \| good	0.242 \| good
2026-09-27T20:00:00.000Z	27 \| good	1.66 \| good	8.449 \| good	28.933 \| good	0.271 \| good	4.11 \| good	0.242 \| good
2026-09-27T21:00:00.000Z	26 \| good	1.218 \| good	2.815 \| good	28.087 \| good	0.249 \| good	6.473 \| good	0.28 \| good
2026-09-27T22:00:00.000Z	25 \| good	0.958 \| good	3.541 \| good	27.268 \| good	0.271 \| good	6.143 \| good	0.264 \| good
2026-09-27T23:00:00.000Z	25 \| good	1.223 \| good	3.072 \| good	27.268 \| good	0.446 \| good	4.797 \| good	0.264 \| good
2026-09-28T00:00:00.000Z	24 \| good	1.216 \| good	5.731 \| good	26.471 \| good	0.507 \| good	5.247 \| good	0.225 \| good
2026-09-28T01:00:00.000Z	24 \| good	1.494 \| good	6.133 \| good	26.44 \| good	0.249 \| good	4.35 \| good	0.225 \| good
2026-09-28T02:00:00.000Z	24 \| good	0.959 \| good	4.669 \| good	25.55 \| good	0.249 \| good	3.681 \| good	0.225 \| good
2026-09-28T03:00:00.000Z	34 \| good	2.9 \| good	11.996 \| good	37.248 \| good	0.236 \| good	4.846 \| good	0.148 \| good
2026-09-28T04:00:00.000Z	24 \| good	1.669 \| good	4.49 \| good	26.404 \| good	0.212 \| good	3.392 \| good	0.187 \| good
2026-09-28T05:00:00.000Z	25 \| good	1.556 \| good	4.274 \| good	26.504 \| good	0.435 \| good	2.499 \| good	0.187 \| good
2026-09-28T06:00:00.000Z	24 \| good	1.177 \| good	5.605 \| good	26.491 \| good	0.25 \| good	2.027 \| good	0.186 \| good
2026-09-28T07:00:00.000Z	25 \| good	0.758 \| good	3.311 \| good	27.391 \| good	0.273 \| good	1.57 \| good	0.185 \| good
2026-09-28T08:00:00.000Z	25 \| good	1.178 \| good	5.051 \| good	27.391 \| good	0.412 \| good	2.227 \| good	0.186 \| good
2026-09-28T09:00:00.000Z	25 \| good	0.583 \| good	2.915 \| good	27.419 \| good	0.544 \| good	2.381 \| good	0.186 \| good
2026-09-28T10:00:00.000Z	25 \| good	0.717 \| good	4.394 \| good	27.419 \| good	0.419 \| good	3.551 \| good	0.184 \| good
2026-09-28T11:00:00.000Z	26 \| good	0.996 \| good	4.818 \| good	27.547 \| good	0.228 \| good	5.057 \| good	0.211 \| good
2026-09-28T12:00:00.000Z	26 \| good	0.647 \| good	4.707 \| good	27.547 \| good	0.393 \| good	7.042 \| good	0.22 \| good
2026-09-28T13:00:00.000Z	25 \| good	0.796 \| good	4.347 \| good	27.438 \| good	0.418 \| good	7.51 \| good	0.256 \| good
2026-09-28T14:00:00.000Z	25 \| good	0.975 \| good	3.734 \| good	27.407 \| good	0.28 \| good	7.389 \| good	0.225 \| good
2026-09-28T15:00:00.000Z	25 \| good	0.921 \| good	3.373 \| good	27.197 \| good	0.234 \| good	8.198 \| good	0.225 \| good
2026-09-28T16:00:00.000Z	25 \| good	1.332 \| good	4.311 \| good	27.057 \| good	0.54 \| good	6.488 \| good	0.255 \| good
2026-09-28T17:00:00.000Z	24 \| good	0.885 \| good	3.737 \| good	26.141 \| good	0.72 \| good	4.484 \| good	0.255 \| good
2026-09-28T18:00:00.000Z	23 \| good	0.927 \| good	2.935 \| good	25.25 \| good	0.436 \| good	4.087 \| good	0.242 \| good
2026-09-28T19:00:00.000Z	23 \| good	0.805 \| good	2.272 \| good	25.181 \| good	0.468 \| good	3.841 \| good	0.211 \| good
2026-09-28T20:00:00.000Z	23 \| good	0.846 \| good	3.417 \| good	25.106 \| good	0.699 \| good	3.987 \| good	0.256 \| good
2026-09-28T21:00:00.000Z	23 \| good	0.727 \| good	3.101 \| good	25.078 \| good	0.449 \| good	3.019 \| good	0.241 \| good
2026-09-28T22:00:00.000Z	22 \| good	0.663 \| good	1.936 \| good	24.216 \| good	0.525 \| good	4.485 \| good	0.278 \| good
2026-09-28T22:00:00.000Z	20 \| good	0.995 \| good	2.882 \| good	21.877 \| good	0.415 \| good	2.505 \| good	0.231 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.429 \| good	1.471 \| good	21.155 \| good	0.234 \| good	6.166 \| good	0.168 \| good
2026-09-29T00:00:00.000Z	22 \| good	1.123 \| good	4.503 \| good	24.25 \| good	0.248 \| good	7.31 \| good	0.17 \| good
2026-09-29T01:00:00.000Z	23 \| good	1.185 \| good	4.954 \| good	24.928 \| good	0.261 \| good	8.267 \| good	0.173 \| good
2026-09-29T02:00:00.000Z	20 \| good	1.102 \| good	4.448 \| good	22.444 \| good	0.276 \| good	9.31 \| good	0.177 \| good
2026-09-29T03:00:00.000Z	19 \| good	1.521 \| good	6.382 \| good	20.348 \| good	0.297 \| good	10.191 \| good	0.185 \| good
2026-09-29T04:00:00.000Z	18 \| good	1.763 \| good	7.426 \| good	19.433 \| good	0.308 \| good	10.641 \| good	0.193 \| good
2026-09-29T05:00:00.000Z	16 \| good	1.695 \| good	6.874 \| good	16.793 \| good	0.313 \| good	10.923 \| good	0.199 \| good
2026-09-29T06:00:00.000Z	13 \| good	1.805 \| good	7.407 \| good	14.159 \| good	0.324 \| good	11.222 \| good	0.201 \| good
2026-09-29T07:00:00.000Z	13 \| good	1.733 \| good	7.322 \| good	13.672 \| good	0.336 \| good	11.438 \| good	0.202 \| good
2026-09-29T08:00:00.000Z	12 \| good	1.612 \| good	6.492 \| good	12.782 \| good	0.345 \| good	11.685 \| good	0.201 \| good
2026-09-29T09:00:00.000Z	11 \| good	1.564 \| good	6.496 \| good	11.228 \| good	0.356 \| good	11.963 \| good	0.2 \| good
2026-09-29T10:00:00.000Z	11 \| good	1.388 \| good	5.537 \| good	10.019 \| good	0.365 \| good	12.189 \| good	0.201 \| good
2026-09-29T11:00:00.000Z	16 \| good	2.707 \| good	10.851 \| good	9.021 \| good	0.387 \| good	12.282 \| good	0.209 \| good
2026-09-29T12:00:00.000Z	12 \| good	2.338 \| good	9.653 \| good	13.121 \| good	0.418 \| good	11.404 \| good	0.225 \| good
2026-09-29T13:00:00.000Z	18 \| good	2.58 \| good	10.629 \| good	19.167 \| good	0.418 \| good	8.397 \| good	0.211 \| good
2026-09-29T14:00:00.000Z	23 \| good	2.438 \| good	9.686 \| good	25.15 \| good	0.424 \| good	5.812 \| good	0.19 \| good
2026-09-29T15:00:00.000Z	27 \| good	2.461 \| good	10.14 \| good	28.94 \| good	0.416 \| good	4.457 \| good	0.174 \| good
2026-09-29T16:00:00.000Z	31 \| good	3.1 \| good	13.234 \| good	34.222 \| good	0.417 \| good	4.067 \| good	0.168 \| good
2026-09-29T17:00:00.000Z	32 \| good	3.368 \| good	14.669 \| good	34.96 \| good	0.427 \| good	3.942 \| good	0.166 \| good
2026-09-29T18:00:00.000Z	30 \| good	3.541 \| good	15.333 \| good	31.781 \| good	0.423 \| good	3.348 \| good	0.162 \| good
2026-09-29T19:00:00.000Z	28 \| good	3.2 \| good	13.836 \| good	29.792 \| good	0.407 \| good	3.119 \| good	0.16 \| good
2026-09-29T20:00:00.000Z	29 \| good	2.46 \| good	9.994 \| good	30.845 \| good	0.409 \| good	3.272 \| good	0.161 \| good
2026-09-29T21:00:00.000Z	28 \| good	2.455 \| good	10.174 \| good	29.533 \| good	0.41 \| good	3.832 \| good	0.164 \| good
2026-09-29T22:00:00.000Z	23 \| good	2.991 \| good	12.728 \| good	25.438 \| good	0.432 \| good	7.532 \| good	0.191 \| good
2026-09-29T23:00:00.000Z	22 \| good	2.599 \| good	10.796 \| good	24.459 \| good	0.481 \| good	11.64 \| good	0.226 \| good
2026-09-30T00:00:00.000Z	25 \| good	2.872 \| good	11.792 \| good	27.449 \| good	0.533 \| good	13.671 \| good	0.247 \| good
2026-09-30T01:00:00.000Z	25 \| good	2.643 \| good	10.916 \| good	26.635 \| good	0.557 \| good	15.072 \| good	0.256 \| good
2026-09-30T02:00:00.000Z	21 \| good	3.039 \| good	12.893 \| good	23.411 \| good	0.556 \| good	15.346 \| good	0.254 \| good
2026-09-30T03:00:00.000Z	22 \| good	3.804 \| good	16.471 \| good	21.592 \| good	0.535 \| good	14.576 \| good	0.245 \| good
2026-09-30T04:00:00.000Z	22 \| good	3.486 \| good	15.395 \| good	23.704 \| good	0.497 \| good	13.5 \| good	0.233 \| good
2026-09-30T05:00:00.000Z	21 \| good	3.235 \| good	14.038 \| good	22.671 \| good	0.469 \| good	12.572 \| good	0.221 \| good
2026-09-30T06:00:00.000Z	20 \| good	2.967 \| good	12.191 \| good	21.725 \| good	0.459 \| good	12.17 \| good	0.215 \| good
2026-09-30T07:00:00.000Z	18 \| good	2.945 \| good	12.106 \| good	18.901 \| good	0.456 \| good	12.068 \| good	0.212 \| good
2026-09-30T08:00:00.000Z	18 \| good	2.81 \| good	11.546 \| good	19.027 \| good	0.458 \| good	11.888 \| good	0.209 \| good
2026-09-30T09:00:00.000Z	22 \| good	3.539 \| good	15.45 \| good	15.146 \| good	0.463 \| good	11.512 \| good	0.204 \| good
2026-09-30T10:00:00.000Z	16 \| good	2.758 \| good	11.429 \| good	15.044 \| good	0.473 \| good	11.387 \| good	0.203 \| good
2026-09-30T11:00:00.000Z	16 \| good	3.383 \| good	14.516 \| good	14.686 \| good	0.502 \| good	11.245 \| good	0.215 \| good
2026-09-30T12:00:00.000Z	22 \| good	3.861 \| good	16.978 \| good	20.068 \| good	0.526 \| good	9.414 \| good	0.238 \| good
2026-09-30T13:00:00.000Z	23 \| good	3.841 \| good	16.499 \| good	24.679 \| good	0.564 \| good	6.995 \| good	0.22 \| good
2026-09-30T14:00:00.000Z	27 \| good	3.479 \| good	15.33 \| good	29.218 \| good	0.648 \| good	5.101 \| good	0.198 \| good
2026-09-30T15:00:00.000Z	31 \| good	4.072 \| good	17.928 \| good	32.991 \| good	0.685 \| good	3.716 \| good	0.181 \| good
2026-09-30T16:00:00.000Z	34 \| good	4.282 \| good	18.665 \| good	37.441 \| good	0.61 \| good	3.299 \| good	0.17 \| good
2026-09-30T17:00:00.000Z	40 \| good	5.332 \| good	23.288 \| good	42.554 \| good	0.549 \| good	3.666 \| good	0.169 \| good
2026-09-30T18:00:00.000Z	40 \| good	5.381 \| good	23.328 \| good	43.45 \| good	0.511 \| good	4.277 \| good	0.169 \| good
2026-09-30T19:00:00.000Z	42 \| good	6.546 \| good	29.099 \| good	45.34 \| good	0.488 \| good	5.137 \| good	0.17 \| good
2026-09-30T20:00:00.000Z	44 \| good	5.818 \| good	25.787 \| good	47.454 \| good	0.466 \| good	5.913 \| good	0.172 \| good
2026-09-30T21:00:00.000Z	43 \| good	6.71 \| good	29.675 \| good	46.241 \| good	0.463 \| good	7.651 \| good	0.183 \| good
2026-09-30T22:00:00.000Z	44 \| good	7.838 \| good	34.757 \| good	43.285 \| good	0.53 \| good	16.349 \| good	0.25 \| good

New Canaan

Empower business decisions with accurate air quality data

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

0.26ppm

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

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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 03:00:00, 2026-09-28.

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 2026-09-28.

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

The air quality in New Canaan, Connecticut right now is Good, with an AQI of 20.

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

In New Canaan, Connecticut, O3 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 0.995 μg/m³.

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

New Canaan, Connecticut currently has a PM₁₀ concentration of 2.882 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 0.231 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 0.415 ppb.

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

New Canaan, Connecticut currently has an ozone (O₃) concentration of 21.877 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 2.505 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-26T23:00:00.000Z	31 \| good	3.532 \| good	12.161 \| good	33.798 \| good	0.156 \| good	2.215 \| good	0.187 \| good
2026-09-27T00:00:00.000Z	31 \| good	2.89 \| good	11.999 \| good	33.005 \| good	0.17 \| good	1.962 \| good	0.202 \| good
2026-09-27T01:00:00.000Z	31 \| good	3.22 \| good	11.963 \| good	32.977 \| good	0.194 \| good	1.817 \| good	0.202 \| good
2026-09-27T02:00:00.000Z	30 \| good	3.16 \| good	10.74 \| good	32.199 \| good	0.177 \| good	2.233 \| good	0.202 \| good
2026-09-27T03:00:00.000Z	28 \| good	0.754 \| good	2.901 \| good	30.088 \| good	0.122 \| good	1.704 \| good	0.131 \| good
2026-09-27T04:00:00.000Z	30 \| good	2.834 \| good	10.523 \| good	32.455 \| good	0.249 \| good	2.337 \| good	0.202 \| good
2026-09-27T05:00:00.000Z	31 \| good	3.091 \| good	11.138 \| good	33.199 \| good	0.387 \| good	2.254 \| good	0.202 \| good
2026-09-27T06:00:00.000Z	31 \| good	3.181 \| good	13.42 \| good	33.04 \| good	0.409 \| good	4.705 \| good	0.202 \| good
2026-09-27T07:00:00.000Z	30 \| good	2.688 \| good	8.919 \| good	32.312 \| good	0.432 \| good	4.682 \| good	0.211 \| good
2026-09-27T08:00:00.000Z	30 \| good	2.901 \| good	10.262 \| good	32.128 \| good	0.265 \| good	1.145 \| good	0.202 \| good
2026-09-27T09:00:00.000Z	30 \| good	2.803 \| good	11.028 \| good	32.066 \| good	0.271 \| good	1.099 \| good	0.187 \| good
2026-09-27T10:00:00.000Z	31 \| good	2.131 \| good	9.56 \| good	32.823 \| good	0.249 \| good	2.895 \| good	0.187 \| good
2026-09-27T11:00:00.000Z	30 \| good	1.327 \| good	7.595 \| good	31.991 \| good	0.249 \| good	5.364 \| good	0.187 \| good
2026-09-27T12:00:00.000Z	30 \| good	1.488 \| good	9.889 \| good	32.05 \| good	0.31 \| good	2.94 \| good	0.187 \| good
2026-09-27T13:00:00.000Z	30 \| good	5.212 \| good	5.605 \| good	32.013 \| good	0.265 \| good	1.679 \| good	0.187 \| good
2026-09-27T14:00:00.000Z	30 \| good	1.161 \| good	2.692 \| good	32.013 \| good	0.249 \| good	2.815 \| good	0.203 \| good
2026-09-27T15:00:00.000Z	30 \| good	1.278 \| good	4.108 \| good	31.762 \| good	0.272 \| good	2.876 \| good	0.203 \| good
2026-09-27T16:00:00.000Z	28 \| good	0.774 \| good	2.808 \| good	30.331 \| good	0.464 \| good	2.735 \| good	0.203 \| good
2026-09-27T17:00:00.000Z	28 \| good	1.224 \| good	4.092 \| good	30.221 \| good	0.483 \| good	3.143 \| good	0.203 \| good
2026-09-27T18:00:00.000Z	28 \| good	1.631 \| good	4.441 \| good	30.049 \| good	0.484 \| good	4.364 \| good	0.219 \| good
2026-09-27T19:00:00.000Z	28 \| good	1.343 \| good	4.633 \| good	29.946 \| good	0.205 \| good	2.621 \| good	0.242 \| good
2026-09-27T20:00:00.000Z	27 \| good	1.66 \| good	8.449 \| good	28.933 \| good	0.271 \| good	4.11 \| good	0.242 \| good
2026-09-27T21:00:00.000Z	26 \| good	1.218 \| good	2.815 \| good	28.087 \| good	0.249 \| good	6.473 \| good	0.28 \| good
2026-09-27T22:00:00.000Z	25 \| good	0.958 \| good	3.541 \| good	27.268 \| good	0.271 \| good	6.143 \| good	0.264 \| good
2026-09-27T23:00:00.000Z	25 \| good	1.223 \| good	3.072 \| good	27.268 \| good	0.446 \| good	4.797 \| good	0.264 \| good
2026-09-28T00:00:00.000Z	24 \| good	1.216 \| good	5.731 \| good	26.471 \| good	0.507 \| good	5.247 \| good	0.225 \| good
2026-09-28T01:00:00.000Z	24 \| good	1.494 \| good	6.133 \| good	26.44 \| good	0.249 \| good	4.35 \| good	0.225 \| good
2026-09-28T02:00:00.000Z	24 \| good	0.959 \| good	4.669 \| good	25.55 \| good	0.249 \| good	3.681 \| good	0.225 \| good
2026-09-28T03:00:00.000Z	34 \| good	2.9 \| good	11.996 \| good	37.248 \| good	0.236 \| good	4.846 \| good	0.148 \| good
2026-09-28T04:00:00.000Z	24 \| good	1.669 \| good	4.49 \| good	26.404 \| good	0.212 \| good	3.392 \| good	0.187 \| good
2026-09-28T05:00:00.000Z	25 \| good	1.556 \| good	4.274 \| good	26.504 \| good	0.435 \| good	2.499 \| good	0.187 \| good
2026-09-28T06:00:00.000Z	24 \| good	1.177 \| good	5.605 \| good	26.491 \| good	0.25 \| good	2.027 \| good	0.186 \| good
2026-09-28T07:00:00.000Z	25 \| good	0.758 \| good	3.311 \| good	27.391 \| good	0.273 \| good	1.57 \| good	0.185 \| good
2026-09-28T08:00:00.000Z	25 \| good	1.178 \| good	5.051 \| good	27.391 \| good	0.412 \| good	2.227 \| good	0.186 \| good
2026-09-28T09:00:00.000Z	25 \| good	0.583 \| good	2.915 \| good	27.419 \| good	0.544 \| good	2.381 \| good	0.186 \| good
2026-09-28T10:00:00.000Z	25 \| good	0.717 \| good	4.394 \| good	27.419 \| good	0.419 \| good	3.551 \| good	0.184 \| good
2026-09-28T11:00:00.000Z	26 \| good	0.996 \| good	4.818 \| good	27.547 \| good	0.228 \| good	5.057 \| good	0.211 \| good
2026-09-28T12:00:00.000Z	26 \| good	0.647 \| good	4.707 \| good	27.547 \| good	0.393 \| good	7.042 \| good	0.22 \| good
2026-09-28T13:00:00.000Z	25 \| good	0.796 \| good	4.347 \| good	27.438 \| good	0.418 \| good	7.51 \| good	0.256 \| good
2026-09-28T14:00:00.000Z	25 \| good	0.975 \| good	3.734 \| good	27.407 \| good	0.28 \| good	7.389 \| good	0.225 \| good
2026-09-28T15:00:00.000Z	25 \| good	0.921 \| good	3.373 \| good	27.197 \| good	0.234 \| good	8.198 \| good	0.225 \| good
2026-09-28T16:00:00.000Z	25 \| good	1.332 \| good	4.311 \| good	27.057 \| good	0.54 \| good	6.488 \| good	0.255 \| good
2026-09-28T17:00:00.000Z	24 \| good	0.885 \| good	3.737 \| good	26.141 \| good	0.72 \| good	4.484 \| good	0.255 \| good
2026-09-28T18:00:00.000Z	23 \| good	0.927 \| good	2.935 \| good	25.25 \| good	0.436 \| good	4.087 \| good	0.242 \| good
2026-09-28T19:00:00.000Z	23 \| good	0.805 \| good	2.272 \| good	25.181 \| good	0.468 \| good	3.841 \| good	0.211 \| good
2026-09-28T20:00:00.000Z	23 \| good	0.846 \| good	3.417 \| good	25.106 \| good	0.699 \| good	3.987 \| good	0.256 \| good
2026-09-28T21:00:00.000Z	23 \| good	0.727 \| good	3.101 \| good	25.078 \| good	0.449 \| good	3.019 \| good	0.241 \| good
2026-09-28T22:00:00.000Z	22 \| good	0.663 \| good	1.936 \| good	24.216 \| good	0.525 \| good	4.485 \| good	0.278 \| good
2026-09-28T22:00:00.000Z	20 \| good	0.995 \| good	2.882 \| good	21.877 \| good	0.415 \| good	2.505 \| good	0.231 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.429 \| good	1.471 \| good	21.155 \| good	0.234 \| good	6.166 \| good	0.168 \| good
2026-09-29T00:00:00.000Z	22 \| good	1.123 \| good	4.503 \| good	24.25 \| good	0.248 \| good	7.31 \| good	0.17 \| good
2026-09-29T01:00:00.000Z	23 \| good	1.185 \| good	4.954 \| good	24.928 \| good	0.261 \| good	8.267 \| good	0.173 \| good
2026-09-29T02:00:00.000Z	20 \| good	1.102 \| good	4.448 \| good	22.444 \| good	0.276 \| good	9.31 \| good	0.177 \| good
2026-09-29T03:00:00.000Z	19 \| good	1.521 \| good	6.382 \| good	20.348 \| good	0.297 \| good	10.191 \| good	0.185 \| good
2026-09-29T04:00:00.000Z	18 \| good	1.763 \| good	7.426 \| good	19.433 \| good	0.308 \| good	10.641 \| good	0.193 \| good
2026-09-29T05:00:00.000Z	16 \| good	1.695 \| good	6.874 \| good	16.793 \| good	0.313 \| good	10.923 \| good	0.199 \| good
2026-09-29T06:00:00.000Z	13 \| good	1.805 \| good	7.407 \| good	14.159 \| good	0.324 \| good	11.222 \| good	0.201 \| good
2026-09-29T07:00:00.000Z	13 \| good	1.733 \| good	7.322 \| good	13.672 \| good	0.336 \| good	11.438 \| good	0.202 \| good
2026-09-29T08:00:00.000Z	12 \| good	1.612 \| good	6.492 \| good	12.782 \| good	0.345 \| good	11.685 \| good	0.201 \| good
2026-09-29T09:00:00.000Z	11 \| good	1.564 \| good	6.496 \| good	11.228 \| good	0.356 \| good	11.963 \| good	0.2 \| good
2026-09-29T10:00:00.000Z	11 \| good	1.388 \| good	5.537 \| good	10.019 \| good	0.365 \| good	12.189 \| good	0.201 \| good
2026-09-29T11:00:00.000Z	16 \| good	2.707 \| good	10.851 \| good	9.021 \| good	0.387 \| good	12.282 \| good	0.209 \| good
2026-09-29T12:00:00.000Z	12 \| good	2.338 \| good	9.653 \| good	13.121 \| good	0.418 \| good	11.404 \| good	0.225 \| good
2026-09-29T13:00:00.000Z	18 \| good	2.58 \| good	10.629 \| good	19.167 \| good	0.418 \| good	8.397 \| good	0.211 \| good
2026-09-29T14:00:00.000Z	23 \| good	2.438 \| good	9.686 \| good	25.15 \| good	0.424 \| good	5.812 \| good	0.19 \| good
2026-09-29T15:00:00.000Z	27 \| good	2.461 \| good	10.14 \| good	28.94 \| good	0.416 \| good	4.457 \| good	0.174 \| good
2026-09-29T16:00:00.000Z	31 \| good	3.1 \| good	13.234 \| good	34.222 \| good	0.417 \| good	4.067 \| good	0.168 \| good
2026-09-29T17:00:00.000Z	32 \| good	3.368 \| good	14.669 \| good	34.96 \| good	0.427 \| good	3.942 \| good	0.166 \| good
2026-09-29T18:00:00.000Z	30 \| good	3.541 \| good	15.333 \| good	31.781 \| good	0.423 \| good	3.348 \| good	0.162 \| good
2026-09-29T19:00:00.000Z	28 \| good	3.2 \| good	13.836 \| good	29.792 \| good	0.407 \| good	3.119 \| good	0.16 \| good
2026-09-29T20:00:00.000Z	29 \| good	2.46 \| good	9.994 \| good	30.845 \| good	0.409 \| good	3.272 \| good	0.161 \| good
2026-09-29T21:00:00.000Z	28 \| good	2.455 \| good	10.174 \| good	29.533 \| good	0.41 \| good	3.832 \| good	0.164 \| good
2026-09-29T22:00:00.000Z	23 \| good	2.991 \| good	12.728 \| good	25.438 \| good	0.432 \| good	7.532 \| good	0.191 \| good
2026-09-29T23:00:00.000Z	22 \| good	2.599 \| good	10.796 \| good	24.459 \| good	0.481 \| good	11.64 \| good	0.226 \| good
2026-09-30T00:00:00.000Z	25 \| good	2.872 \| good	11.792 \| good	27.449 \| good	0.533 \| good	13.671 \| good	0.247 \| good
2026-09-30T01:00:00.000Z	25 \| good	2.643 \| good	10.916 \| good	26.635 \| good	0.557 \| good	15.072 \| good	0.256 \| good
2026-09-30T02:00:00.000Z	21 \| good	3.039 \| good	12.893 \| good	23.411 \| good	0.556 \| good	15.346 \| good	0.254 \| good
2026-09-30T03:00:00.000Z	22 \| good	3.804 \| good	16.471 \| good	21.592 \| good	0.535 \| good	14.576 \| good	0.245 \| good
2026-09-30T04:00:00.000Z	22 \| good	3.486 \| good	15.395 \| good	23.704 \| good	0.497 \| good	13.5 \| good	0.233 \| good
2026-09-30T05:00:00.000Z	21 \| good	3.235 \| good	14.038 \| good	22.671 \| good	0.469 \| good	12.572 \| good	0.221 \| good
2026-09-30T06:00:00.000Z	20 \| good	2.967 \| good	12.191 \| good	21.725 \| good	0.459 \| good	12.17 \| good	0.215 \| good
2026-09-30T07:00:00.000Z	18 \| good	2.945 \| good	12.106 \| good	18.901 \| good	0.456 \| good	12.068 \| good	0.212 \| good
2026-09-30T08:00:00.000Z	18 \| good	2.81 \| good	11.546 \| good	19.027 \| good	0.458 \| good	11.888 \| good	0.209 \| good
2026-09-30T09:00:00.000Z	22 \| good	3.539 \| good	15.45 \| good	15.146 \| good	0.463 \| good	11.512 \| good	0.204 \| good
2026-09-30T10:00:00.000Z	16 \| good	2.758 \| good	11.429 \| good	15.044 \| good	0.473 \| good	11.387 \| good	0.203 \| good
2026-09-30T11:00:00.000Z	16 \| good	3.383 \| good	14.516 \| good	14.686 \| good	0.502 \| good	11.245 \| good	0.215 \| good
2026-09-30T12:00:00.000Z	22 \| good	3.861 \| good	16.978 \| good	20.068 \| good	0.526 \| good	9.414 \| good	0.238 \| good
2026-09-30T13:00:00.000Z	23 \| good	3.841 \| good	16.499 \| good	24.679 \| good	0.564 \| good	6.995 \| good	0.22 \| good
2026-09-30T14:00:00.000Z	27 \| good	3.479 \| good	15.33 \| good	29.218 \| good	0.648 \| good	5.101 \| good	0.198 \| good
2026-09-30T15:00:00.000Z	31 \| good	4.072 \| good	17.928 \| good	32.991 \| good	0.685 \| good	3.716 \| good	0.181 \| good
2026-09-30T16:00:00.000Z	34 \| good	4.282 \| good	18.665 \| good	37.441 \| good	0.61 \| good	3.299 \| good	0.17 \| good
2026-09-30T17:00:00.000Z	40 \| good	5.332 \| good	23.288 \| good	42.554 \| good	0.549 \| good	3.666 \| good	0.169 \| good
2026-09-30T18:00:00.000Z	40 \| good	5.381 \| good	23.328 \| good	43.45 \| good	0.511 \| good	4.277 \| good	0.169 \| good
2026-09-30T19:00:00.000Z	42 \| good	6.546 \| good	29.099 \| good	45.34 \| good	0.488 \| good	5.137 \| good	0.17 \| good
2026-09-30T20:00:00.000Z	44 \| good	5.818 \| good	25.787 \| good	47.454 \| good	0.466 \| good	5.913 \| good	0.172 \| good
2026-09-30T21:00:00.000Z	43 \| good	6.71 \| good	29.675 \| good	46.241 \| good	0.463 \| good	7.651 \| good	0.183 \| good
2026-09-30T22:00:00.000Z	44 \| good	7.838 \| good	34.757 \| good	43.285 \| good	0.53 \| good	16.349 \| good	0.25 \| 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)

Track live New Canaan, Connecticut air quality forecast and history

Empower business decisions with accurate air quality data

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

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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

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?

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?

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?

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

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

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?