What are the current PM10 levels at Darien, Connecticut?

The current PM10 levels in Darien, Connecticut are 61.629 μg/m3.

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

The current sulfur dioxide (SO2) levels in Darien, Connecticut are 0.451 ppb.

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

The current ozone (O3) levels at Darien, Connecticut is 64.285 ppm.

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

The current nitrogen dioxide (NO2) levels at Darien, Connecticut is 13.964 ppb.

Live air quality index in Darien, Connecticut today

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

Stay updated with real-time air quality in Darien, 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

Darien, Connecticut

Last updated: ... (Local time)

Major air pollutants in Darien, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

61.63 μg/m³

155

255

425

605+

Ozone (O₃)

64.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.96 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Darien, Connecticut

Get Live Pollen Counts

Darien, Connecticut

Scroll To Air Quality Map

Track live Darien, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T23:00:00.000Z	84 \| moderate	10.121 \| good	42.585 \| good	65.27 \| fine	0.486 \| good	13.917 \| good	0.312 \| good
2025-06-05T00:00:00.000Z	67 \| moderate	8.811 \| good	27.229 \| good	59.797 \| fine	0.558 \| good	18.178 \| good	0.337 \| good
2025-06-05T01:00:00.000Z	64 \| moderate	8.417 \| good	29.38 \| good	59.432 \| fine	0.4 \| good	11.424 \| good	0.382 \| good
2025-06-05T02:00:00.000Z	49 \| good	8.511 \| good	29.445 \| good	51.799 \| good	0.277 \| good	18.272 \| good	0.362 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	12.041 \| good	64.257 \| fine	43.833 \| good	0.253 \| good	11.976 \| good	0.279 \| good
2025-06-05T04:00:00.000Z	60 \| moderate	13.866 \| fine	63.762 \| fine	44.39 \| good	0.219 \| good	20.627 \| good	0.255 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	11.029 \| good	32.93 \| good	37.93 \| good	0.481 \| good	18.025 \| good	0.255 \| good
2025-06-05T06:00:00.000Z	60 \| moderate	13.714 \| fine	53.871 \| good	38.898 \| good	0.646 \| good	17.794 \| good	0.256 \| good
2025-06-05T07:00:00.000Z	60 \| moderate	13.552 \| fine	57.213 \| fine	25.509 \| good	0.411 \| good	18.744 \| good	0.256 \| good
2025-06-05T08:00:00.000Z	58 \| moderate	12.941 \| fine	54.025 \| good	25.189 \| good	0.388 \| good	17.157 \| good	0.256 \| good
2025-06-05T09:00:00.000Z	58 \| moderate	12.977 \| fine	53.769 \| good	19.031 \| good	0.527 \| good	16.366 \| good	0.256 \| good
2025-06-05T10:00:00.000Z	58 \| moderate	13.448 \| fine	60.688 \| fine	14.378 \| good	0.528 \| good	20.18 \| good	0.284 \| good
2025-06-05T11:00:00.000Z	60 \| moderate	14.353 \| fine	53.018 \| good	16.129 \| good	0.401 \| good	21.042 \| good	0.362 \| good
2025-06-05T12:00:00.000Z	60 \| moderate	13.58 \| fine	62.543 \| fine	21.014 \| good	0.797 \| good	17.204 \| good	0.449 \| good
2025-06-05T13:00:00.000Z	61 \| moderate	14.307 \| fine	74.836 \| fine	22.143 \| good	0.668 \| good	23.979 \| good	0.43 \| good
2025-06-05T14:00:00.000Z	66 \| moderate	16.993 \| fine	74.778 \| fine	28.401 \| good	0.65 \| good	21.962 \| good	0.424 \| good
2025-06-05T15:00:00.000Z	66 \| moderate	17.137 \| fine	72.217 \| fine	28.994 \| good	0.876 \| good	20.088 \| good	0.454 \| good
2025-06-05T16:00:00.000Z	67 \| moderate	18.258 \| fine	81.681 \| fine	42.248 \| good	0.923 \| good	22.118 \| good	0.494 \| good
2025-06-05T17:00:00.000Z	71 \| moderate	19.804 \| fine	90.369 \| fine	56.035 \| fine	0.724 \| good	15.826 \| good	0.444 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	19.401 \| fine	43.719 \| good	52.386 \| good	0.701 \| good	12.709 \| good	0.399 \| good
2025-06-05T19:00:00.000Z	115 \| sensitive	19.193 \| fine	31.762 \| good	74.68 \| moderate	0.859 \| good	9.496 \| good	0.435 \| good
2025-06-05T20:00:00.000Z	122 \| sensitive	19.056 \| fine	66.718 \| fine	76.53 \| moderate	0.837 \| good	8.257 \| good	0.498 \| good
2025-06-05T21:00:00.000Z	112 \| sensitive	19.208 \| fine	73.279 \| fine	74.028 \| moderate	0.696 \| good	13.657 \| good	0.457 \| good
2025-06-05T22:00:00.000Z	101 \| sensitive	17.28 \| fine	79.362 \| fine	70.606 \| fine	0.665 \| good	7.195 \| good	0.416 \| good
2025-06-05T23:00:00.000Z	122 \| sensitive	17.783 \| fine	78.575 \| fine	77.347 \| moderate	0.607 \| good	11.89 \| good	0.392 \| good
2025-06-06T00:00:00.000Z	105 \| sensitive	18.743 \| fine	57.377 \| fine	71.987 \| moderate	0.506 \| good	10.053 \| good	0.457 \| good
2025-06-06T01:00:00.000Z	69 \| moderate	19.266 \| fine	51.012 \| good	59.191 \| fine	0.666 \| good	12.726 \| good	0.379 \| good
2025-06-06T02:00:00.000Z	69 \| moderate	18.573 \| fine	62.908 \| fine	56.398 \| fine	1.509 \| good	11.917 \| good	0.375 \| good
2025-06-06T03:00:00.000Z	67 \| moderate	18.115 \| fine	68.832 \| fine	59.488 \| fine	1.335 \| good	7.566 \| good	0.359 \| good
2025-06-06T04:00:00.000Z	71 \| moderate	20.103 \| fine	66.467 \| fine	39.173 \| good	0.642 \| good	9.201 \| good	0.317 \| good
2025-06-06T05:00:00.000Z	60 \| moderate	13.84 \| fine	61.495 \| fine	40.882 \| good	0.483 \| good	11.856 \| good	0.317 \| good
2025-06-06T06:00:00.000Z	62 \| moderate	14.508 \| fine	73.321 \| fine	37.225 \| good	0.459 \| good	20.569 \| good	0.3 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.319 \| fine	70.002 \| fine	29.309 \| good	0.545 \| good	25.081 \| good	0.275 \| good
2025-06-06T08:00:00.000Z	64 \| moderate	16.21 \| fine	75.525 \| fine	22.779 \| good	0.429 \| good	13.935 \| good	0.275 \| good
2025-06-06T09:00:00.000Z	66 \| moderate	17.471 \| fine	74.495 \| fine	30.726 \| good	0.53 \| good	16.398 \| good	0.275 \| good
2025-06-06T10:00:00.000Z	66 \| moderate	17.461 \| fine	72.091 \| fine	29.325 \| good	0.527 \| good	20.137 \| good	0.275 \| good
2025-06-06T11:00:00.000Z	64 \| moderate	16.116 \| fine	72.516 \| fine	25.063 \| good	0.387 \| good	16.861 \| good	0.362 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.026 \| fine	42.673 \| good	23.233 \| good	0.464 \| good	19.294 \| good	0.414 \| good
2025-06-06T13:00:00.000Z	64 \| moderate	15.684 \| fine	66.273 \| fine	24.794 \| good	0.639 \| good	18.997 \| good	0.42 \| good
2025-06-06T14:00:00.000Z	67 \| moderate	18.011 \| fine	79.013 \| fine	29.659 \| good	0.435 \| good	17.419 \| good	0.398 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	17.276 \| fine	56.509 \| fine	41.93 \| good	0.484 \| good	19.069 \| good	0.435 \| good
2025-06-06T16:00:00.000Z	73 \| moderate	20.623 \| fine	53.83 \| good	41.463 \| good	0.503 \| good	10.777 \| good	0.44 \| good
2025-06-06T17:00:00.000Z	73 \| moderate	21.339 \| fine	68.247 \| fine	50.721 \| good	0.515 \| good	9.686 \| good	0.44 \| good
2025-06-06T18:00:00.000Z	75 \| moderate	21.894 \| fine	85.547 \| fine	60.249 \| fine	0.451 \| good	9.319 \| good	0.44 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	20.036 \| fine	81.031 \| fine	65.124 \| fine	0.541 \| good	6.367 \| good	0.395 \| good
2025-06-06T20:00:00.000Z	101 \| sensitive	18.485 \| fine	76.599 \| fine	71.273 \| moderate	0.532 \| good	7.367 \| good	0.395 \| good
2025-06-06T21:00:00.000Z	105 \| sensitive	15.032 \| fine	48.782 \| good	72.119 \| moderate	0.553 \| good	14.178 \| good	0.415 \| good
2025-06-06T22:00:00.000Z	80 \| moderate	18.714 \| fine	61.629 \| fine	64.285 \| fine	0.451 \| good	13.964 \| good	0.382 \| good
2025-06-06T22:00:00.000Z	80 \| moderate	18.714 \| fine	61.629 \| fine	64.285 \| fine	0.451 \| good	13.964 \| good	0.382 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	7.4 \| good	32.879 \| good	59.014 \| fine	0.895 \| good	9.697 \| good	0.193 \| good
2025-06-07T00:00:00.000Z	61 \| moderate	4.574 \| good	19.902 \| good	58.462 \| fine	0.775 \| good	8.811 \| good	0.177 \| good
2025-06-07T01:00:00.000Z	44 \| good	6.402 \| good	28.489 \| good	47.853 \| good	0.943 \| good	9.723 \| good	0.171 \| good
2025-06-07T02:00:00.000Z	38 \| good	7.327 \| good	32.547 \| good	40.863 \| good	0.754 \| good	8.658 \| good	0.157 \| good
2025-06-07T03:00:00.000Z	44 \| good	7.816 \| good	33.93 \| good	33.584 \| good	0.566 \| good	7.593 \| good	0.144 \| good
2025-06-07T04:00:00.000Z	44 \| good	8.075 \| good	35.2 \| good	26.399 \| good	1.128 \| good	8.6 \| good	0.167 \| good
2025-06-07T05:00:00.000Z	49 \| good	8.906 \| good	38.903 \| good	26.463 \| good	0.94 \| good	7.785 \| good	0.156 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.273 \| good	41.694 \| good	23.032 \| good	0.752 \| good	6.971 \| good	0.145 \| good
2025-06-07T07:00:00.000Z	44 \| good	8.239 \| good	35.965 \| good	14.236 \| good	1.387 \| good	8.299 \| good	0.158 \| good
2025-06-07T08:00:00.000Z	44 \| good	8.09 \| good	35.061 \| good	13.048 \| good	1.198 \| good	7.541 \| good	0.149 \| good
2025-06-07T09:00:00.000Z	44 \| good	7.868 \| good	34.072 \| good	16.085 \| good	1.008 \| good	6.782 \| good	0.141 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.714 \| good	33.873 \| good	21.377 \| good	1.554 \| good	8.612 \| good	0.161 \| good
2025-06-07T11:00:00.000Z	44 \| good	8.135 \| good	35.797 \| good	22.824 \| good	1.427 \| good	8.108 \| good	0.154 \| good
2025-06-07T12:00:00.000Z	49 \| good	8.529 \| good	37.003 \| good	26.485 \| good	1.299 \| good	7.604 \| good	0.147 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.816 \| good	38.768 \| good	28.032 \| good	1.51 \| good	8.058 \| good	0.186 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	9.625 \| good	42.674 \| good	34.16 \| good	1.405 \| good	7.967 \| good	0.178 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.973 \| good	48.679 \| good	41.293 \| good	1.299 \| good	7.876 \| good	0.17 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.7 \| good	51.546 \| good	47.493 \| good	0.987 \| good	5.172 \| good	0.206 \| good
2025-06-07T17:00:00.000Z	56 \| moderate	11.585 \| good	51.214 \| good	50.414 \| good	0.952 \| good	5.127 \| good	0.2 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	10.182 \| good	45.18 \| good	51.867 \| good	0.918 \| good	5.083 \| good	0.195 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.961 \| good	40.371 \| good	52.121 \| good	0.495 \| good	3.193 \| good	0.214 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.914 \| good	38.914 \| good	52.885 \| good	0.478 \| good	3.262 \| good	0.211 \| good
2025-06-07T21:00:00.000Z	49 \| good	8.859 \| good	38.863 \| good	51.362 \| good	0.462 \| good	3.331 \| good	0.209 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	9.581 \| good	42.663 \| good	49.228 \| good	0.51 \| good	7.722 \| good	0.256 \| good
2025-06-07T23:00:00.000Z	54 \| moderate	10.63 \| good	47.09 \| good	43.815 \| good	0.493 \| good	7.694 \| good	0.253 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.538 \| good	33.302 \| good	38.659 \| good	0.475 \| good	7.666 \| good	0.25 \| good
2025-06-08T01:00:00.000Z	49 \| good	8.815 \| good	38.458 \| good	35.198 \| good	0.726 \| good	10.161 \| good	0.293 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	11.505 \| good	51.064 \| good	35.899 \| good	0.684 \| good	10.01 \| good	0.292 \| good
2025-06-08T03:00:00.000Z	62 \| moderate	14.521 \| fine	64.734 \| fine	33.094 \| good	0.643 \| good	9.86 \| good	0.291 \| good
2025-06-08T04:00:00.000Z	64 \| moderate	16.394 \| fine	72.78 \| fine	28.743 \| good	0.812 \| good	7.12 \| good	0.307 \| good
2025-06-08T05:00:00.000Z	64 \| moderate	16.347 \| fine	72.68 \| fine	25.876 \| good	0.774 \| good	7.184 \| good	0.307 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.643 \| fine	65.203 \| fine	21.581 \| good	0.735 \| good	7.248 \| good	0.308 \| good
2025-06-08T07:00:00.000Z	56 \| moderate	11.865 \| good	52.269 \| good	15.682 \| good	0.91 \| good	4.742 \| good	0.283 \| good
2025-06-08T08:00:00.000Z	54 \| moderate	10.999 \| good	48.461 \| good	10.77 \| good	0.861 \| good	4.594 \| good	0.284 \| good
2025-06-08T09:00:00.000Z	56 \| moderate	12.152 \| fine	54.414 \| good	9.712 \| good	0.812 \| good	4.445 \| good	0.286 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	14.219 \| fine	63.309 \| fine	8.59 \| good	0.997 \| good	4.899 \| good	0.276 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	15.316 \| fine	68.91 \| fine	12.59 \| good	0.922 \| good	4.665 \| good	0.276 \| good
2025-06-08T12:00:00.000Z	58 \| moderate	12.99 \| fine	58.71 \| fine	23.946 \| good	0.846 \| good	4.43 \| good	0.276 \| good
2025-06-08T13:00:00.000Z	54 \| moderate	11.34 \| good	50.632 \| good	32.264 \| good	0.775 \| good	4.128 \| good	0.264 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.065 \| good	49.372 \| good	38.039 \| good	0.675 \| good	4.002 \| good	0.26 \| good
2025-06-08T15:00:00.000Z	54 \| moderate	11.345 \| good	50.456 \| good	40.299 \| good	0.574 \| good	3.876 \| good	0.256 \| good
2025-06-08T16:00:00.000Z	56 \| moderate	11.639 \| good	51.493 \| good	45.189 \| good	0.531 \| good	3.075 \| good	0.25 \| good
2025-06-08T17:00:00.000Z	60 \| moderate	13.973 \| fine	62.078 \| fine	46.833 \| good	0.474 \| good	2.874 \| good	0.248 \| good
2025-06-08T18:00:00.000Z	66 \| moderate	17.096 \| fine	75.834 \| fine	50.023 \| good	0.416 \| good	2.674 \| good	0.245 \| good
2025-06-08T19:00:00.000Z	66 \| moderate	17.48 \| fine	78.075 \| fine	52.344 \| good	0.76 \| good	6.111 \| good	0.259 \| good
2025-06-08T20:00:00.000Z	66 \| moderate	16.677 \| fine	74.18 \| fine	51.406 \| good	0.685 \| good	5.61 \| good	0.256 \| good
2025-06-08T21:00:00.000Z	64 \| moderate	15.977 \| fine	70.635 \| fine	49.954 \| good	0.61 \| good	5.108 \| good	0.252 \| good
2025-06-08T22:00:00.000Z	60 \| moderate	13.779 \| fine	62.464 \| fine	50.215 \| good	0.91 \| good	8.46 \| good	0.273 \| good

Darien

Empower business decisions with accurate air quality data

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

0.44ppm

How accurate is Connecticut, USA air quality data?

Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

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

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

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

The worst air quality in Darien, Connecticut was recorded at 11:00:00 on 2025-06-05.

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

The best air quality in Darien, Connecticut was recorded at 05:00:00 on 2025-06-06.

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

The real-time air quality index in Darien, Connecticut is 80, currently categorized as Moderate.

Which pollutant is found most often in Darien, Connecticut?

The most common pollutant in Darien, Connecticut is O3.

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

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

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

The measured PM_2.5 levels in Darien, Connecticut at present are 18.714 μg/m³.

What are the current PM₁₀ levels at Darien, Connecticut?

The current PM₁₀ levels in Darien, Connecticut are 61.629 μg/m³.

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

The current carbon monoxide (CO) level in Darien, Connecticut is 0.382 ppm.

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

The current sulfur dioxide (SO₂) levels in Darien, Connecticut are 0.451 ppb.

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

The current ozone (O₃) levels at Darien, Connecticut is 64.285 ppm.

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

The current nitrogen dioxide (NO₂) levels at Darien, Connecticut is 13.964 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T23:00:00.000Z	84 \| moderate	10.121 \| good	42.585 \| good	65.27 \| fine	0.486 \| good	13.917 \| good	0.312 \| good
2025-06-05T00:00:00.000Z	67 \| moderate	8.811 \| good	27.229 \| good	59.797 \| fine	0.558 \| good	18.178 \| good	0.337 \| good
2025-06-05T01:00:00.000Z	64 \| moderate	8.417 \| good	29.38 \| good	59.432 \| fine	0.4 \| good	11.424 \| good	0.382 \| good
2025-06-05T02:00:00.000Z	49 \| good	8.511 \| good	29.445 \| good	51.799 \| good	0.277 \| good	18.272 \| good	0.362 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	12.041 \| good	64.257 \| fine	43.833 \| good	0.253 \| good	11.976 \| good	0.279 \| good
2025-06-05T04:00:00.000Z	60 \| moderate	13.866 \| fine	63.762 \| fine	44.39 \| good	0.219 \| good	20.627 \| good	0.255 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	11.029 \| good	32.93 \| good	37.93 \| good	0.481 \| good	18.025 \| good	0.255 \| good
2025-06-05T06:00:00.000Z	60 \| moderate	13.714 \| fine	53.871 \| good	38.898 \| good	0.646 \| good	17.794 \| good	0.256 \| good
2025-06-05T07:00:00.000Z	60 \| moderate	13.552 \| fine	57.213 \| fine	25.509 \| good	0.411 \| good	18.744 \| good	0.256 \| good
2025-06-05T08:00:00.000Z	58 \| moderate	12.941 \| fine	54.025 \| good	25.189 \| good	0.388 \| good	17.157 \| good	0.256 \| good
2025-06-05T09:00:00.000Z	58 \| moderate	12.977 \| fine	53.769 \| good	19.031 \| good	0.527 \| good	16.366 \| good	0.256 \| good
2025-06-05T10:00:00.000Z	58 \| moderate	13.448 \| fine	60.688 \| fine	14.378 \| good	0.528 \| good	20.18 \| good	0.284 \| good
2025-06-05T11:00:00.000Z	60 \| moderate	14.353 \| fine	53.018 \| good	16.129 \| good	0.401 \| good	21.042 \| good	0.362 \| good
2025-06-05T12:00:00.000Z	60 \| moderate	13.58 \| fine	62.543 \| fine	21.014 \| good	0.797 \| good	17.204 \| good	0.449 \| good
2025-06-05T13:00:00.000Z	61 \| moderate	14.307 \| fine	74.836 \| fine	22.143 \| good	0.668 \| good	23.979 \| good	0.43 \| good
2025-06-05T14:00:00.000Z	66 \| moderate	16.993 \| fine	74.778 \| fine	28.401 \| good	0.65 \| good	21.962 \| good	0.424 \| good
2025-06-05T15:00:00.000Z	66 \| moderate	17.137 \| fine	72.217 \| fine	28.994 \| good	0.876 \| good	20.088 \| good	0.454 \| good
2025-06-05T16:00:00.000Z	67 \| moderate	18.258 \| fine	81.681 \| fine	42.248 \| good	0.923 \| good	22.118 \| good	0.494 \| good
2025-06-05T17:00:00.000Z	71 \| moderate	19.804 \| fine	90.369 \| fine	56.035 \| fine	0.724 \| good	15.826 \| good	0.444 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	19.401 \| fine	43.719 \| good	52.386 \| good	0.701 \| good	12.709 \| good	0.399 \| good
2025-06-05T19:00:00.000Z	115 \| sensitive	19.193 \| fine	31.762 \| good	74.68 \| moderate	0.859 \| good	9.496 \| good	0.435 \| good
2025-06-05T20:00:00.000Z	122 \| sensitive	19.056 \| fine	66.718 \| fine	76.53 \| moderate	0.837 \| good	8.257 \| good	0.498 \| good
2025-06-05T21:00:00.000Z	112 \| sensitive	19.208 \| fine	73.279 \| fine	74.028 \| moderate	0.696 \| good	13.657 \| good	0.457 \| good
2025-06-05T22:00:00.000Z	101 \| sensitive	17.28 \| fine	79.362 \| fine	70.606 \| fine	0.665 \| good	7.195 \| good	0.416 \| good
2025-06-05T23:00:00.000Z	122 \| sensitive	17.783 \| fine	78.575 \| fine	77.347 \| moderate	0.607 \| good	11.89 \| good	0.392 \| good
2025-06-06T00:00:00.000Z	105 \| sensitive	18.743 \| fine	57.377 \| fine	71.987 \| moderate	0.506 \| good	10.053 \| good	0.457 \| good
2025-06-06T01:00:00.000Z	69 \| moderate	19.266 \| fine	51.012 \| good	59.191 \| fine	0.666 \| good	12.726 \| good	0.379 \| good
2025-06-06T02:00:00.000Z	69 \| moderate	18.573 \| fine	62.908 \| fine	56.398 \| fine	1.509 \| good	11.917 \| good	0.375 \| good
2025-06-06T03:00:00.000Z	67 \| moderate	18.115 \| fine	68.832 \| fine	59.488 \| fine	1.335 \| good	7.566 \| good	0.359 \| good
2025-06-06T04:00:00.000Z	71 \| moderate	20.103 \| fine	66.467 \| fine	39.173 \| good	0.642 \| good	9.201 \| good	0.317 \| good
2025-06-06T05:00:00.000Z	60 \| moderate	13.84 \| fine	61.495 \| fine	40.882 \| good	0.483 \| good	11.856 \| good	0.317 \| good
2025-06-06T06:00:00.000Z	62 \| moderate	14.508 \| fine	73.321 \| fine	37.225 \| good	0.459 \| good	20.569 \| good	0.3 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.319 \| fine	70.002 \| fine	29.309 \| good	0.545 \| good	25.081 \| good	0.275 \| good
2025-06-06T08:00:00.000Z	64 \| moderate	16.21 \| fine	75.525 \| fine	22.779 \| good	0.429 \| good	13.935 \| good	0.275 \| good
2025-06-06T09:00:00.000Z	66 \| moderate	17.471 \| fine	74.495 \| fine	30.726 \| good	0.53 \| good	16.398 \| good	0.275 \| good
2025-06-06T10:00:00.000Z	66 \| moderate	17.461 \| fine	72.091 \| fine	29.325 \| good	0.527 \| good	20.137 \| good	0.275 \| good
2025-06-06T11:00:00.000Z	64 \| moderate	16.116 \| fine	72.516 \| fine	25.063 \| good	0.387 \| good	16.861 \| good	0.362 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.026 \| fine	42.673 \| good	23.233 \| good	0.464 \| good	19.294 \| good	0.414 \| good
2025-06-06T13:00:00.000Z	64 \| moderate	15.684 \| fine	66.273 \| fine	24.794 \| good	0.639 \| good	18.997 \| good	0.42 \| good
2025-06-06T14:00:00.000Z	67 \| moderate	18.011 \| fine	79.013 \| fine	29.659 \| good	0.435 \| good	17.419 \| good	0.398 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	17.276 \| fine	56.509 \| fine	41.93 \| good	0.484 \| good	19.069 \| good	0.435 \| good
2025-06-06T16:00:00.000Z	73 \| moderate	20.623 \| fine	53.83 \| good	41.463 \| good	0.503 \| good	10.777 \| good	0.44 \| good
2025-06-06T17:00:00.000Z	73 \| moderate	21.339 \| fine	68.247 \| fine	50.721 \| good	0.515 \| good	9.686 \| good	0.44 \| good
2025-06-06T18:00:00.000Z	75 \| moderate	21.894 \| fine	85.547 \| fine	60.249 \| fine	0.451 \| good	9.319 \| good	0.44 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	20.036 \| fine	81.031 \| fine	65.124 \| fine	0.541 \| good	6.367 \| good	0.395 \| good
2025-06-06T20:00:00.000Z	101 \| sensitive	18.485 \| fine	76.599 \| fine	71.273 \| moderate	0.532 \| good	7.367 \| good	0.395 \| good
2025-06-06T21:00:00.000Z	105 \| sensitive	15.032 \| fine	48.782 \| good	72.119 \| moderate	0.553 \| good	14.178 \| good	0.415 \| good
2025-06-06T22:00:00.000Z	80 \| moderate	18.714 \| fine	61.629 \| fine	64.285 \| fine	0.451 \| good	13.964 \| good	0.382 \| good
2025-06-06T22:00:00.000Z	80 \| moderate	18.714 \| fine	61.629 \| fine	64.285 \| fine	0.451 \| good	13.964 \| good	0.382 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	7.4 \| good	32.879 \| good	59.014 \| fine	0.895 \| good	9.697 \| good	0.193 \| good
2025-06-07T00:00:00.000Z	61 \| moderate	4.574 \| good	19.902 \| good	58.462 \| fine	0.775 \| good	8.811 \| good	0.177 \| good
2025-06-07T01:00:00.000Z	44 \| good	6.402 \| good	28.489 \| good	47.853 \| good	0.943 \| good	9.723 \| good	0.171 \| good
2025-06-07T02:00:00.000Z	38 \| good	7.327 \| good	32.547 \| good	40.863 \| good	0.754 \| good	8.658 \| good	0.157 \| good
2025-06-07T03:00:00.000Z	44 \| good	7.816 \| good	33.93 \| good	33.584 \| good	0.566 \| good	7.593 \| good	0.144 \| good
2025-06-07T04:00:00.000Z	44 \| good	8.075 \| good	35.2 \| good	26.399 \| good	1.128 \| good	8.6 \| good	0.167 \| good
2025-06-07T05:00:00.000Z	49 \| good	8.906 \| good	38.903 \| good	26.463 \| good	0.94 \| good	7.785 \| good	0.156 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.273 \| good	41.694 \| good	23.032 \| good	0.752 \| good	6.971 \| good	0.145 \| good
2025-06-07T07:00:00.000Z	44 \| good	8.239 \| good	35.965 \| good	14.236 \| good	1.387 \| good	8.299 \| good	0.158 \| good
2025-06-07T08:00:00.000Z	44 \| good	8.09 \| good	35.061 \| good	13.048 \| good	1.198 \| good	7.541 \| good	0.149 \| good
2025-06-07T09:00:00.000Z	44 \| good	7.868 \| good	34.072 \| good	16.085 \| good	1.008 \| good	6.782 \| good	0.141 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.714 \| good	33.873 \| good	21.377 \| good	1.554 \| good	8.612 \| good	0.161 \| good
2025-06-07T11:00:00.000Z	44 \| good	8.135 \| good	35.797 \| good	22.824 \| good	1.427 \| good	8.108 \| good	0.154 \| good
2025-06-07T12:00:00.000Z	49 \| good	8.529 \| good	37.003 \| good	26.485 \| good	1.299 \| good	7.604 \| good	0.147 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.816 \| good	38.768 \| good	28.032 \| good	1.51 \| good	8.058 \| good	0.186 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	9.625 \| good	42.674 \| good	34.16 \| good	1.405 \| good	7.967 \| good	0.178 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.973 \| good	48.679 \| good	41.293 \| good	1.299 \| good	7.876 \| good	0.17 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.7 \| good	51.546 \| good	47.493 \| good	0.987 \| good	5.172 \| good	0.206 \| good
2025-06-07T17:00:00.000Z	56 \| moderate	11.585 \| good	51.214 \| good	50.414 \| good	0.952 \| good	5.127 \| good	0.2 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	10.182 \| good	45.18 \| good	51.867 \| good	0.918 \| good	5.083 \| good	0.195 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.961 \| good	40.371 \| good	52.121 \| good	0.495 \| good	3.193 \| good	0.214 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.914 \| good	38.914 \| good	52.885 \| good	0.478 \| good	3.262 \| good	0.211 \| good
2025-06-07T21:00:00.000Z	49 \| good	8.859 \| good	38.863 \| good	51.362 \| good	0.462 \| good	3.331 \| good	0.209 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	9.581 \| good	42.663 \| good	49.228 \| good	0.51 \| good	7.722 \| good	0.256 \| good
2025-06-07T23:00:00.000Z	54 \| moderate	10.63 \| good	47.09 \| good	43.815 \| good	0.493 \| good	7.694 \| good	0.253 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.538 \| good	33.302 \| good	38.659 \| good	0.475 \| good	7.666 \| good	0.25 \| good
2025-06-08T01:00:00.000Z	49 \| good	8.815 \| good	38.458 \| good	35.198 \| good	0.726 \| good	10.161 \| good	0.293 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	11.505 \| good	51.064 \| good	35.899 \| good	0.684 \| good	10.01 \| good	0.292 \| good
2025-06-08T03:00:00.000Z	62 \| moderate	14.521 \| fine	64.734 \| fine	33.094 \| good	0.643 \| good	9.86 \| good	0.291 \| good
2025-06-08T04:00:00.000Z	64 \| moderate	16.394 \| fine	72.78 \| fine	28.743 \| good	0.812 \| good	7.12 \| good	0.307 \| good
2025-06-08T05:00:00.000Z	64 \| moderate	16.347 \| fine	72.68 \| fine	25.876 \| good	0.774 \| good	7.184 \| good	0.307 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.643 \| fine	65.203 \| fine	21.581 \| good	0.735 \| good	7.248 \| good	0.308 \| good
2025-06-08T07:00:00.000Z	56 \| moderate	11.865 \| good	52.269 \| good	15.682 \| good	0.91 \| good	4.742 \| good	0.283 \| good
2025-06-08T08:00:00.000Z	54 \| moderate	10.999 \| good	48.461 \| good	10.77 \| good	0.861 \| good	4.594 \| good	0.284 \| good
2025-06-08T09:00:00.000Z	56 \| moderate	12.152 \| fine	54.414 \| good	9.712 \| good	0.812 \| good	4.445 \| good	0.286 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	14.219 \| fine	63.309 \| fine	8.59 \| good	0.997 \| good	4.899 \| good	0.276 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	15.316 \| fine	68.91 \| fine	12.59 \| good	0.922 \| good	4.665 \| good	0.276 \| good
2025-06-08T12:00:00.000Z	58 \| moderate	12.99 \| fine	58.71 \| fine	23.946 \| good	0.846 \| good	4.43 \| good	0.276 \| good
2025-06-08T13:00:00.000Z	54 \| moderate	11.34 \| good	50.632 \| good	32.264 \| good	0.775 \| good	4.128 \| good	0.264 \| good
2025-06-08T14:00:00.000Z	54 \| moderate	11.065 \| good	49.372 \| good	38.039 \| good	0.675 \| good	4.002 \| good	0.26 \| good
2025-06-08T15:00:00.000Z	54 \| moderate	11.345 \| good	50.456 \| good	40.299 \| good	0.574 \| good	3.876 \| good	0.256 \| good
2025-06-08T16:00:00.000Z	56 \| moderate	11.639 \| good	51.493 \| good	45.189 \| good	0.531 \| good	3.075 \| good	0.25 \| good
2025-06-08T17:00:00.000Z	60 \| moderate	13.973 \| fine	62.078 \| fine	46.833 \| good	0.474 \| good	2.874 \| good	0.248 \| good
2025-06-08T18:00:00.000Z	66 \| moderate	17.096 \| fine	75.834 \| fine	50.023 \| good	0.416 \| good	2.674 \| good	0.245 \| good
2025-06-08T19:00:00.000Z	66 \| moderate	17.48 \| fine	78.075 \| fine	52.344 \| good	0.76 \| good	6.111 \| good	0.259 \| good
2025-06-08T20:00:00.000Z	66 \| moderate	16.677 \| fine	74.18 \| fine	51.406 \| good	0.685 \| good	5.61 \| good	0.256 \| good
2025-06-08T21:00:00.000Z	64 \| moderate	15.977 \| fine	70.635 \| fine	49.954 \| good	0.61 \| good	5.108 \| good	0.252 \| good
2025-06-08T22:00:00.000Z	60 \| moderate	13.779 \| fine	62.464 \| fine	50.215 \| good	0.91 \| good	8.46 \| good	0.273 \| good

Live air quality index in Darien, Connecticut today

Major air pollutants in Darien, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Darien, Connecticut air quality forecast and history

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

Air quality in nearby cities

Stamford, Connecticut

Norwalk, Connecticut

New Canaan, Connecticut

Westport, Connecticut

Wilton, Connecticut

Greenwich, Connecticut

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Frequently asked questions

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

What are the current PM10 levels at Darien, Connecticut?

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

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

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

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

What are the current PM₁₀ levels at Darien, Connecticut?

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

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

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