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

New Canaan, Connecticut currently has a PM10 concentration of 16.205 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 0.294 ppb.

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

New Canaan, Connecticut currently has an ozone (O3) concentration of 43.002 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 6.333 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 5.227 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)

5.23 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.20 μg/m³

155

255

425

605+

Ozone (O₃)

43.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.33 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-27T23:00:00.000Z	34 \| good	2.173 \| good	5.607 \| good	36.718 \| good	0.228 \| good	3.819 \| good	0.235 \| good
2026-03-28T00:00:00.000Z	32 \| good	3.075 \| good	14.785 \| good	35.26 \| good	0.123 \| good	3.783 \| good	0.235 \| good
2026-03-28T01:00:00.000Z	35 \| good	3.104 \| good	8.083 \| good	38.388 \| good	0.139 \| good	5.413 \| good	0.235 \| good
2026-03-28T02:00:00.000Z	34 \| good	3.448 \| good	12.052 \| good	37.056 \| good	0.128 \| good	17.067 \| good	0.259 \| good
2026-03-28T03:00:00.000Z	29 \| good	3.458 \| good	15.418 \| good	30.82 \| good	0.146 \| good	23.595 \| good	0.325 \| good
2026-03-28T04:00:00.000Z	28 \| good	3.848 \| good	11.02 \| good	29.708 \| good	0.194 \| good	23.865 \| good	0.266 \| good
2026-03-28T05:00:00.000Z	28 \| good	4.197 \| good	14.546 \| good	29.782 \| good	0.138 \| good	17.912 \| good	0.266 \| good
2026-03-28T06:00:00.000Z	27 \| good	4.012 \| good	14.972 \| good	28.916 \| good	0.191 \| good	12.646 \| good	0.248 \| good
2026-03-28T07:00:00.000Z	28 \| good	3.27 \| good	14.118 \| good	30.004 \| good	0.184 \| good	8.151 \| good	0.2 \| good
2026-03-28T08:00:00.000Z	25 \| good	3.78 \| good	15.498 \| good	27.308 \| good	0.131 \| good	4.855 \| good	0.2 \| good
2026-03-28T09:00:00.000Z	28 \| good	3.856 \| good	14.807 \| good	29.956 \| good	0.122 \| good	4.402 \| good	0.2 \| good
2026-03-28T10:00:00.000Z	28 \| good	4.087 \| good	15.445 \| good	30.073 \| good	0.151 \| good	4.729 \| good	0.2 \| good
2026-03-28T11:00:00.000Z	31 \| good	4.227 \| good	13.37 \| good	33.964 \| good	0.111 \| good	3.933 \| good	0.199 \| good
2026-03-28T12:00:00.000Z	31 \| good	4.298 \| good	15.385 \| good	33.065 \| good	0.162 \| good	3.856 \| good	0.223 \| good
2026-03-28T13:00:00.000Z	32 \| good	4.547 \| good	13.774 \| good	35.286 \| good	0.199 \| good	3.198 \| good	0.248 \| good
2026-03-28T14:00:00.000Z	32 \| good	4.38 \| good	18.2 \| good	34.839 \| good	0.162 \| good	2.242 \| good	0.244 \| good
2026-03-28T15:00:00.000Z	31 \| good	4.248 \| good	15.966 \| good	34.366 \| good	0.161 \| good	1.796 \| good	0.22 \| good
2026-03-28T16:00:00.000Z	35 \| good	4.225 \| good	12.992 \| good	38.389 \| good	0.162 \| good	1.506 \| good	0.199 \| good
2026-03-28T17:00:00.000Z	38 \| good	4.45 \| good	20.278 \| good	40.587 \| good	0.199 \| good	1.291 \| good	0.199 \| good
2026-03-28T18:00:00.000Z	38 \| good	3.962 \| good	16.976 \| good	40.966 \| good	0.139 \| good	1.316 \| good	0.199 \| good
2026-03-28T19:00:00.000Z	39 \| good	3.144 \| good	8.208 \| good	42.341 \| good	0.139 \| good	1.435 \| good	0.199 \| good
2026-03-28T20:00:00.000Z	36 \| good	2.644 \| good	13.249 \| good	38.652 \| good	0.14 \| good	1.389 \| good	0.199 \| good
2026-03-28T21:00:00.000Z	39 \| good	3.78 \| good	11.173 \| good	41.893 \| good	0.133 \| good	1.567 \| good	0.22 \| good
2026-03-28T22:00:00.000Z	39 \| good	3.197 \| good	7.672 \| good	41.609 \| good	0.122 \| good	1.535 \| good	0.22 \| good
2026-03-28T23:00:00.000Z	39 \| good	3.621 \| good	10.852 \| good	41.572 \| good	0.126 \| good	2.008 \| good	0.199 \| good
2026-03-29T00:00:00.000Z	35 \| good	4.065 \| good	18.203 \| good	37.869 \| good	0.151 \| good	2.056 \| good	0.198 \| good
2026-03-29T01:00:00.000Z	34 \| good	5.474 \| good	25.998 \| good	37.41 \| good	0.2 \| good	2.357 \| good	0.26 \| good
2026-03-29T02:00:00.000Z	34 \| good	3.815 \| good	17.251 \| good	36.774 \| good	0.161 \| good	4.148 \| good	0.284 \| good
2026-03-29T03:00:00.000Z	24 \| good	3.593 \| good	15.798 \| good	26.478 \| good	0.937 \| good	10.4 \| good	0.234 \| good
2026-03-29T04:00:00.000Z	32 \| good	4.82 \| good	13.889 \| good	34.592 \| good	0.178 \| good	18.421 \| good	0.316 \| good
2026-03-29T05:00:00.000Z	33 \| good	5.695 \| good	15.004 \| good	31.49 \| good	0.263 \| good	15.831 \| good	0.279 \| good
2026-03-29T06:00:00.000Z	27 \| good	5.184 \| good	11.283 \| good	28.586 \| good	0.262 \| good	12.642 \| good	0.279 \| good
2026-03-29T07:00:00.000Z	33 \| good	5.636 \| good	23.57 \| good	18.93 \| good	0.446 \| good	17.839 \| good	0.291 \| good
2026-03-29T08:00:00.000Z	38 \| good	6.73 \| good	16.237 \| good	19.57 \| good	0.308 \| good	12.785 \| good	0.338 \| good
2026-03-29T09:00:00.000Z	44 \| good	7.583 \| good	18.716 \| good	15.512 \| good	0.507 \| good	18.914 \| good	0.36 \| good
2026-03-29T10:00:00.000Z	44 \| good	7.875 \| good	15.473 \| good	6.667 \| good	0.464 \| good	15.017 \| good	0.344 \| good
2026-03-29T11:00:00.000Z	44 \| good	7.926 \| good	18.936 \| good	7.957 \| good	0.677 \| good	13.19 \| good	0.41 \| good
2026-03-29T12:00:00.000Z	27 \| good	5.319 \| good	24.849 \| good	15.268 \| good	0.645 \| good	17.181 \| good	0.448 \| good
2026-03-29T13:00:00.000Z	38 \| good	7.139 \| good	33.31 \| good	13.279 \| good	0.72 \| good	22.396 \| good	0.452 \| good
2026-03-29T14:00:00.000Z	33 \| good	6.07 \| good	21.901 \| good	12.939 \| good	0.509 \| good	18.765 \| good	0.242 \| good
2026-03-29T15:00:00.000Z	33 \| good	5.599 \| good	22.378 \| good	22.616 \| good	0.573 \| good	5.23 \| good	0.218 \| good
2026-03-29T16:00:00.000Z	27 \| good	5.427 \| good	24.542 \| good	29.147 \| good	0.499 \| good	5.752 \| good	0.243 \| good
2026-03-29T17:00:00.000Z	31 \| good	5.25 \| good	20.818 \| good	33.501 \| good	0.452 \| good	9.04 \| good	0.278 \| good
2026-03-29T18:00:00.000Z	36 \| good	5.036 \| good	10.231 \| good	38.748 \| good	0.384 \| good	6.505 \| good	0.237 \| good
2026-03-29T19:00:00.000Z	39 \| good	5.425 \| good	14.589 \| good	41.99 \| good	0.334 \| good	6.294 \| good	0.237 \| good
2026-03-29T20:00:00.000Z	41 \| good	5.038 \| good	14.515 \| good	43.629 \| good	0.33 \| good	6.45 \| good	0.237 \| good
2026-03-29T21:00:00.000Z	40 \| good	5.227 \| good	16.205 \| good	43.002 \| good	0.294 \| good	6.333 \| good	0.237 \| good
2026-03-29T22:00:00.000Z	40 \| good	5.227 \| good	16.205 \| good	43.002 \| good	0.294 \| good	6.333 \| good	0.237 \| good
2026-03-29T23:00:00.000Z	38 \| good	6.932 \| good	30.695 \| good	41.183 \| good	2.337 \| good	13.144 \| good	0.222 \| good
2026-03-30T00:00:00.000Z	49 \| good	9.346 \| good	41.476 \| good	32.275 \| good	2.195 \| good	16.218 \| good	0.236 \| good
2026-03-30T01:00:00.000Z	56 \| moderate	11.712 \| good	52.452 \| good	27.857 \| good	2.095 \| good	14.978 \| good	0.223 \| good
2026-03-30T02:00:00.000Z	54 \| moderate	10.727 \| good	47.415 \| good	34.44 \| good	1.995 \| good	13.739 \| good	0.211 \| good
2026-03-30T03:00:00.000Z	49 \| good	8.686 \| good	38.82 \| good	35.592 \| good	1.896 \| good	12.499 \| good	0.199 \| good
2026-03-30T04:00:00.000Z	44 \| good	7.659 \| good	33.542 \| good	34.613 \| good	1.779 \| good	10.68 \| good	0.188 \| good
2026-03-30T05:00:00.000Z	38 \| good	7.044 \| good	30.948 \| good	30.619 \| good	1.663 \| good	8.861 \| good	0.177 \| good
2026-03-30T06:00:00.000Z	33 \| good	5.66 \| good	24.092 \| good	28.386 \| good	1.547 \| good	7.042 \| good	0.167 \| good
2026-03-30T07:00:00.000Z	30 \| good	4.156 \| good	18.229 \| good	32.069 \| good	1.559 \| good	6.412 \| good	0.172 \| good
2026-03-30T08:00:00.000Z	27 \| good	4.05 \| good	17.966 \| good	28.583 \| good	1.571 \| good	5.782 \| good	0.178 \| good
2026-03-30T09:00:00.000Z	25 \| good	3.861 \| good	16.73 \| good	26.987 \| good	1.583 \| good	5.152 \| good	0.183 \| good
2026-03-30T10:00:00.000Z	27 \| good	5.268 \| good	22.719 \| good	10.893 \| good	1.699 \| good	6.051 \| good	0.194 \| good
2026-03-30T11:00:00.000Z	33 \| good	6.023 \| good	26.563 \| good	10.545 \| good	1.816 \| good	6.949 \| good	0.204 \| good
2026-03-30T12:00:00.000Z	44 \| good	7.691 \| good	33.842 \| good	14.464 \| good	1.933 \| good	7.848 \| good	0.214 \| good
2026-03-30T13:00:00.000Z	44 \| good	8.243 \| good	36.356 \| good	20.274 \| good	2.087 \| good	7.838 \| good	0.209 \| good
2026-03-30T14:00:00.000Z	44 \| good	7.689 \| good	33.91 \| good	25.418 \| good	2.242 \| good	7.828 \| good	0.204 \| good
2026-03-30T15:00:00.000Z	27 \| good	5.465 \| good	23.896 \| good	28.161 \| good	2.396 \| good	7.818 \| good	0.199 \| good
2026-03-30T16:00:00.000Z	27 \| good	5.341 \| good	23.114 \| good	27.392 \| good	2.464 \| good	6.959 \| good	0.192 \| good
2026-03-30T17:00:00.000Z	33 \| good	5.854 \| good	25.279 \| good	26.244 \| good	2.533 \| good	6.099 \| good	0.186 \| good
2026-03-30T18:00:00.000Z	44 \| good	8.139 \| good	35.699 \| good	31.946 \| good	2.601 \| good	5.239 \| good	0.18 \| good
2026-03-30T19:00:00.000Z	44 \| good	8.363 \| good	36.454 \| good	30.712 \| good	2.589 \| good	5.418 \| good	0.18 \| good
2026-03-30T20:00:00.000Z	44 \| good	7.902 \| good	34.908 \| good	33.838 \| good	2.577 \| good	5.597 \| good	0.181 \| good
2026-03-30T21:00:00.000Z	49 \| good	8.849 \| good	39.065 \| good	32.711 \| good	2.565 \| good	5.775 \| good	0.181 \| good
2026-03-30T22:00:00.000Z	52 \| moderate	9.954 \| good	44.18 \| good	29.016 \| good	2.698 \| good	8.973 \| good	0.196 \| good
2026-03-30T23:00:00.000Z	52 \| moderate	10.077 \| good	44.697 \| good	32.268 \| good	2.831 \| good	12.171 \| good	0.211 \| good
2026-03-31T00:00:00.000Z	56 \| moderate	11.607 \| good	51.603 \| good	26.598 \| good	2.964 \| good	15.368 \| good	0.226 \| good
2026-03-31T01:00:00.000Z	56 \| moderate	12.285 \| fine	55.205 \| fine	26.488 \| good	2.964 \| good	15.609 \| good	0.224 \| good
2026-03-31T02:00:00.000Z	67 \| moderate	18.498 \| fine	81.846 \| fine	9.536 \| good	2.965 \| good	15.851 \| good	0.223 \| good
2026-03-31T03:00:00.000Z	67 \| moderate	18.123 \| fine	80.048 \| fine	14.654 \| good	2.965 \| good	16.092 \| good	0.221 \| good
2026-03-31T04:00:00.000Z	66 \| moderate	16.68 \| fine	74.176 \| fine	13.652 \| good	2.817 \| good	14.32 \| good	0.211 \| good
2026-03-31T05:00:00.000Z	62 \| moderate	14.519 \| fine	64.58 \| fine	13.199 \| good	2.67 \| good	12.549 \| good	0.202 \| good
2026-03-31T06:00:00.000Z	54 \| moderate	10.838 \| good	11.112 \| good	34.966 \| good	2.522 \| good	10.757 \| good	0.193 \| good
2026-03-31T07:00:00.000Z	58 \| moderate	12.835 \| fine	57.821 \| fine	13.345 \| good	2.393 \| good	9.738 \| good	0.184 \| good
2026-03-31T08:00:00.000Z	58 \| moderate	13.292 \| fine	60.062 \| fine	11.763 \| good	2.264 \| good	8.699 \| good	0.176 \| good
2026-03-31T09:00:00.000Z	58 \| moderate	12.795 \| fine	57.934 \| fine	9.924 \| good	2.135 \| good	7.659 \| good	0.168 \| good
2026-03-31T10:00:00.000Z	27 \| good	4.872 \| good	21.115 \| good	21.264 \| good	2.097 \| good	8.531 \| good	0.171 \| good
2026-03-31T11:00:00.000Z	27 \| good	5.355 \| good	23.267 \| good	20.129 \| good	2.059 \| good	9.404 \| good	0.173 \| good
2026-03-31T12:00:00.000Z	52 \| moderate	10.105 \| good	10.521 \| good	32.018 \| good	2.019 \| good	10.25 \| good	0.176 \| good
2026-03-31T13:00:00.000Z	52 \| moderate	10.37 \| good	10.784 \| good	32.13 \| good	2.091 \| good	10.191 \| good	0.182 \| good
2026-03-31T14:00:00.000Z	54 \| moderate	11.063 \| good	11.569 \| good	32.242 \| good	2.163 \| good	10.131 \| good	0.188 \| good
2026-03-31T15:00:00.000Z	54 \| moderate	10.563 \| good	10.999 \| good	32.355 \| good	2.235 \| good	10.072 \| good	0.194 \| good
2026-03-31T16:00:00.000Z	52 \| moderate	9.819 \| good	10.269 \| good	35.981 \| good	2.203 \| good	8.874 \| good	0.189 \| good
2026-03-31T17:00:00.000Z	52 \| moderate	10.247 \| good	45.523 \| good	31.502 \| good	2.173 \| good	7.696 \| good	0.183 \| good
2026-03-31T18:00:00.000Z	52 \| moderate	10.064 \| good	10.56 \| good	43.235 \| good	2.14 \| good	6.477 \| good	0.177 \| good
2026-03-31T19:00:00.000Z	52 \| moderate	10.286 \| good	10.809 \| good	43.701 \| good	2.134 \| good	7.543 \| good	0.181 \| good
2026-03-31T20:00:00.000Z	54 \| moderate	10.646 \| good	11.174 \| good	44.168 \| good	2.128 \| good	8.609 \| good	0.186 \| good
2026-03-31T21:00:00.000Z	56 \| moderate	11.645 \| good	12.113 \| good	44.634 \| good	2.122 \| good	9.675 \| good	0.19 \| good
2026-03-31T22:00:00.000Z	56 \| moderate	12.235 \| fine	12.652 \| good	42.373 \| good	2.154 \| good	12.134 \| good	0.199 \| good

New Canaan

Empower business decisions with accurate air quality data

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

0.23ppm

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 11:00:00, 2026-03-29.

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 03:00:00 on 2026-03-29.

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 40.

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 5.227 μg/m³.

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

New Canaan, Connecticut currently has a PM₁₀ concentration of 16.205 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 0.237 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 0.294 ppb.

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

New Canaan, Connecticut currently has an ozone (O₃) concentration of 43.002 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 6.333 ppb.

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