What is the sulfur dioxide (SO2) level in Stamford, Connecticut at the moment?

Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 0.374 ppb.

What is the ozone (O3) level in Stamford, Connecticut at the moment?

The current ozone (O3) level in Stamford, Connecticut at the moment is 13.228 ppm.

What is the nitrogen dioxide (NO2) level in Stamford, Connecticut at the moment?

Nitrogen dioxide (NO2) level in Stamford, Connecticut at the moment is 26.312 ppb.

Live air quality index in Stamford, Connecticut today

Q: What is the PM2.5 level in Stamford, Connecticut at the moment?

PM2.5 levels in Stamford, Connecticut are currently 13.906 μg/m3.

Q: What is the PM10 level in Stamford, Connecticut at the moment?

The PM10 concentration in Stamford, Connecticut is 67.835 μg/m3 at the moment.

Stay updated with real-time air quality in Stamford, 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

Stamford, Connecticut

Last updated: ... (Local time)

Major air pollutants in Stamford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

67.83 μg/m³

155

255

425

605+

Ozone (O₃)

13.23 ppb

201

201+

Sulfur Dioxide (SO₂)

0.37 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

26.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.42 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Stamford, Connecticut

Get Live Pollen Counts

Stamford, Connecticut

Scroll To Air Quality Map

Track live Stamford, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	27 \| good	3.166 \| good	16.172 \| good	29.436 \| good	0.508 \| good	15.721 \| good	0.353 \| good
2025-12-27T01:00:00.000Z	27 \| good	4.907 \| good	25.872 \| good	29.32 \| good	0.494 \| good	14.605 \| good	0.331 \| good
2025-12-27T02:00:00.000Z	26 \| good	3.394 \| good	14.98 \| good	28.405 \| good	0.596 \| good	15.597 \| good	0.331 \| good
2025-12-27T03:00:00.000Z	22 \| good	3.81 \| good	11.545 \| good	24.444 \| good	0.494 \| good	17.06 \| good	0.318 \| good
2025-12-27T04:00:00.000Z	27 \| good	4.712 \| good	19.052 \| good	26.789 \| good	0.495 \| good	16.194 \| good	0.296 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.882 \| good	22.05 \| good	27.003 \| good	0.615 \| good	10.446 \| good	0.312 \| good
2025-12-27T06:00:00.000Z	33 \| good	5.658 \| good	27.663 \| good	28.549 \| good	0.618 \| good	13.712 \| good	0.312 \| good
2025-12-27T07:00:00.000Z	29 \| good	5.492 \| good	21.282 \| good	30.932 \| good	0.618 \| good	15.121 \| good	0.302 \| good
2025-12-27T08:00:00.000Z	28 \| good	4.686 \| good	18.581 \| good	29.822 \| good	0.474 \| good	19.198 \| good	0.302 \| good
2025-12-27T09:00:00.000Z	27 \| good	5.254 \| good	22.95 \| good	25.196 \| good	0.501 \| good	17.71 \| good	0.279 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.847 \| good	17.956 \| good	21.548 \| good	0.472 \| good	6.183 \| good	0.242 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.689 \| good	13.397 \| good	27.89 \| good	0.436 \| good	7.39 \| good	0.242 \| good
2025-12-27T12:00:00.000Z	33 \| good	5.977 \| good	20.848 \| good	26.773 \| good	0.35 \| good	7.625 \| good	0.197 \| good
2025-12-27T13:00:00.000Z	27 \| good	4.641 \| good	17.418 \| good	27.103 \| good	0.343 \| good	8.224 \| good	0.225 \| good
2025-12-27T14:00:00.000Z	27 \| good	4.707 \| good	13.667 \| good	26.129 \| good	0.371 \| good	7.853 \| good	0.258 \| good
2025-12-27T15:00:00.000Z	38 \| good	7.295 \| good	22.68 \| good	28.933 \| good	0.339 \| good	7.89 \| good	0.258 \| good
2025-12-27T16:00:00.000Z	26 \| good	4.144 \| good	12.442 \| good	28.484 \| good	0.331 \| good	6.087 \| good	0.258 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.749 \| good	10.251 \| good	30.318 \| good	0.324 \| good	5.471 \| good	0.258 \| good
2025-12-27T18:00:00.000Z	28 \| good	3.971 \| good	11.463 \| good	30.248 \| good	0.358 \| good	5.101 \| good	0.258 \| good
2025-12-27T19:00:00.000Z	30 \| good	4.107 \| good	18.906 \| good	32.187 \| good	0.351 \| good	5.88 \| good	0.258 \| good
2025-12-27T20:00:00.000Z	29 \| good	4.951 \| good	11.946 \| good	30.503 \| good	0.344 \| good	6.079 \| good	0.271 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.139 \| good	14.826 \| good	30.771 \| good	0.338 \| good	7.443 \| good	0.242 \| good
2025-12-27T22:00:00.000Z	33 \| good	6.324 \| good	20.071 \| good	32.647 \| good	0.332 \| good	11.259 \| good	0.31 \| good
2025-12-27T23:00:00.000Z	38 \| good	6.508 \| good	27.669 \| good	30.731 \| good	0.358 \| good	19.927 \| good	0.341 \| good
2025-12-28T00:00:00.000Z	33 \| good	5.51 \| good	14.172 \| good	22.331 \| good	0.372 \| good	17.892 \| good	0.341 \| good
2025-12-28T01:00:00.000Z	38 \| good	7.033 \| good	26.284 \| good	23.503 \| good	0.462 \| good	17.749 \| good	0.344 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.19 \| good	26.286 \| good	22.236 \| good	0.524 \| good	21.497 \| good	0.361 \| good
2025-12-28T03:00:00.000Z	33 \| good	5.71 \| good	24.872 \| good	19.737 \| good	1.932 \| good	25.003 \| good	0.398 \| good
2025-12-28T04:00:00.000Z	27 \| good	4.739 \| good	11.712 \| good	20.051 \| good	0.546 \| good	6.366 \| good	0.408 \| good
2025-12-28T05:00:00.000Z	27 \| good	4.779 \| good	9.577 \| good	15.298 \| good	0.497 \| good	4.89 \| good	0.452 \| good
2025-12-28T06:00:00.000Z	29 \| good	4.737 \| good	17.901 \| good	30.585 \| good	0.553 \| good	7.165 \| good	0.393 \| good
2025-12-28T07:00:00.000Z	33 \| good	5.708 \| good	29.212 \| good	19.858 \| good	0.534 \| good	6.225 \| good	0.448 \| good
2025-12-28T08:00:00.000Z	44 \| good	7.914 \| good	30.815 \| good	16.55 \| good	0.481 \| good	5.248 \| good	0.417 \| good
2025-12-28T09:00:00.000Z	49 \| good	8.878 \| good	25.32 \| good	9.237 \| good	0.707 \| good	5.773 \| good	0.372 \| good
2025-12-28T10:00:00.000Z	53 \| moderate	10.318 \| good	60.432 \| fine	9.093 \| good	0.554 \| good	5.5 \| good	0.419 \| good
2025-12-28T11:00:00.000Z	44 \| good	7.654 \| good	33.36 \| good	12.006 \| good	0.434 \| good	5.257 \| good	0.385 \| good
2025-12-28T12:00:00.000Z	44 \| good	8.188 \| good	33.077 \| good	9.52 \| good	0.468 \| good	19.645 \| good	0.373 \| good
2025-12-28T13:00:00.000Z	38 \| good	6.749 \| good	40.406 \| good	14.91 \| good	0.467 \| good	13.092 \| good	0.373 \| good
2025-12-28T14:00:00.000Z	38 \| good	6.716 \| good	14.962 \| good	11.731 \| good	0.537 \| good	12.219 \| good	0.471 \| good
2025-12-28T15:00:00.000Z	33 \| good	6.259 \| good	18.023 \| good	17.73 \| good	0.347 \| good	11.78 \| good	0.395 \| good
2025-12-28T16:00:00.000Z	49 \| good	8.867 \| good	42.349 \| good	14.386 \| good	0.32 \| good	14.832 \| good	0.35 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.353 \| good	42.106 \| good	16.395 \| good	0.348 \| good	12.478 \| good	0.316 \| good
2025-12-28T18:00:00.000Z	56 \| moderate	12.37 \| fine	55.974 \| fine	17.183 \| good	0.419 \| good	9.294 \| good	0.338 \| good
2025-12-28T19:00:00.000Z	56 \| moderate	11.973 \| good	59.438 \| fine	16.633 \| good	0.432 \| good	12.465 \| good	0.338 \| good
2025-12-28T20:00:00.000Z	56 \| moderate	12.217 \| fine	51.629 \| good	18.125 \| good	0.517 \| good	15.779 \| good	0.361 \| good
2025-12-28T21:00:00.000Z	54 \| moderate	11.116 \| good	62.186 \| fine	17.365 \| good	0.47 \| good	21.436 \| good	0.415 \| good
2025-12-28T22:00:00.000Z	62 \| moderate	14.726 \| fine	72.618 \| fine	13.086 \| good	0.411 \| good	26.283 \| good	0.432 \| good
2025-12-28T23:00:00.000Z	60 \| moderate	13.906 \| fine	67.835 \| fine	13.228 \| good	0.374 \| good	26.312 \| good	0.421 \| good
2025-12-29T00:00:00.000Z	66 \| moderate	16.804 \| fine	74.452 \| fine	9.212 \| good	2.883 \| good	28.348 \| good	0.345 \| good
2025-12-29T01:00:00.000Z	54 \| moderate	11.132 \| good	49.534 \| good	12.692 \| good	2.511 \| good	27.942 \| good	0.311 \| good
2025-12-29T02:00:00.000Z	49 \| good	9.023 \| good	39.988 \| good	18.537 \| good	2.139 \| good	27.536 \| good	0.277 \| good
2025-12-29T03:00:00.000Z	44 \| good	7.652 \| good	33.904 \| good	23.542 \| good	1.767 \| good	27.13 \| good	0.243 \| good
2025-12-29T04:00:00.000Z	33 \| good	6.01 \| good	26.439 \| good	22.741 \| good	1.504 \| good	22.224 \| good	0.217 \| good
2025-12-29T05:00:00.000Z	22 \| good	4.025 \| good	17.516 \| good	21.134 \| good	1.24 \| good	17.318 \| good	0.192 \| good
2025-12-29T06:00:00.000Z	19 \| good	3.242 \| good	13.835 \| good	20.172 \| good	0.977 \| good	12.412 \| good	0.166 \| good
2025-12-29T07:00:00.000Z	19 \| good	2.853 \| good	11.676 \| good	20.226 \| good	1.022 \| good	10.652 \| good	0.161 \| good
2025-12-29T08:00:00.000Z	16 \| good	2.509 \| good	10.371 \| good	17.164 \| good	1.067 \| good	8.892 \| good	0.155 \| good
2025-12-29T09:00:00.000Z	16 \| good	3.323 \| good	14.463 \| good	10.898 \| good	1.112 \| good	7.132 \| good	0.15 \| good
2025-12-29T10:00:00.000Z	22 \| good	4.313 \| good	18.957 \| good	6.464 \| good	1.305 \| good	9.258 \| good	0.161 \| good
2025-12-29T11:00:00.000Z	27 \| good	5.157 \| good	22.187 \| good	7.611 \| good	1.499 \| good	11.383 \| good	0.172 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.197 \| good	18.275 \| good	4.696 \| good	1.692 \| good	13.509 \| good	0.183 \| good
2025-12-29T13:00:00.000Z	22 \| good	4.101 \| good	18.114 \| good	6.456 \| good	1.815 \| good	14.792 \| good	0.194 \| good
2025-12-29T14:00:00.000Z	27 \| good	5.326 \| good	23.155 \| good	7.629 \| good	1.938 \| good	16.075 \| good	0.206 \| good
2025-12-29T15:00:00.000Z	27 \| good	5.234 \| good	22.775 \| good	5.559 \| good	2.061 \| good	17.358 \| good	0.217 \| good
2025-12-29T16:00:00.000Z	38 \| good	6.531 \| good	28.819 \| good	2.67 \| good	2.116 \| good	16.502 \| good	0.215 \| good
2025-12-29T17:00:00.000Z	44 \| good	8.223 \| good	36.527 \| good	5.64 \| good	2.17 \| good	15.646 \| good	0.214 \| good
2025-12-29T18:00:00.000Z	38 \| good	7.395 \| good	32.868 \| good	21.504 \| good	2.225 \| good	14.79 \| good	0.212 \| good
2025-12-29T19:00:00.000Z	37 \| good	4.011 \| good	17.492 \| good	39.51 \| good	2.065 \| good	12.121 \| good	0.195 \| good
2025-12-29T20:00:00.000Z	38 \| good	3.404 \| good	14.965 \| good	40.721 \| good	1.905 \| good	9.451 \| good	0.178 \| good
2025-12-29T21:00:00.000Z	38 \| good	7.342 \| good	32.394 \| good	35.766 \| good	1.745 \| good	6.782 \| good	0.16 \| good
2025-12-29T22:00:00.000Z	38 \| good	7.09 \| good	31.472 \| good	27.824 \| good	1.68 \| good	6.178 \| good	0.166 \| good
2025-12-29T23:00:00.000Z	38 \| good	6.957 \| good	31.085 \| good	23.572 \| good	1.615 \| good	5.573 \| good	0.171 \| good
2025-12-30T00:00:00.000Z	38 \| good	6.622 \| good	29.347 \| good	15.788 \| good	1.55 \| good	4.969 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	22 \| good	4.211 \| good	18.405 \| good	15.033 \| good	1.448 \| good	5.096 \| good	0.174 \| good
2025-12-30T02:00:00.000Z	33 \| good	5.902 \| good	26.038 \| good	16.848 \| good	1.346 \| good	5.223 \| good	0.171 \| good
2025-12-30T03:00:00.000Z	33 \| good	6.417 \| good	28.57 \| good	20.772 \| good	1.244 \| good	5.351 \| good	0.168 \| good
2025-12-30T04:00:00.000Z	24 \| good	4.274 \| good	18.884 \| good	26.02 \| good	1.061 \| good	4.433 \| good	0.161 \| good
2025-12-30T05:00:00.000Z	28 \| good	5.343 \| good	23.032 \| good	29.685 \| good	0.878 \| good	3.514 \| good	0.155 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.994 \| good	17.462 \| good	32.288 \| good	0.695 \| good	2.596 \| good	0.148 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.964 \| good	17.483 \| good	33.191 \| good	0.601 \| good	2.311 \| good	0.145 \| good
2025-12-30T08:00:00.000Z	31 \| good	2.232 \| good	9.264 \| good	33.31 \| good	0.507 \| good	2.026 \| good	0.142 \| good
2025-12-30T09:00:00.000Z	31 \| good	2.23 \| good	9.064 \| good	33.625 \| good	0.413 \| good	1.741 \| good	0.139 \| good
2025-12-30T10:00:00.000Z	30 \| good	1.897 \| good	7.803 \| good	31.738 \| good	0.457 \| good	2.359 \| good	0.143 \| good
2025-12-30T11:00:00.000Z	31 \| good	2.056 \| good	8.357 \| good	34.154 \| good	0.5 \| good	2.976 \| good	0.146 \| good
2025-12-30T12:00:00.000Z	31 \| good	1.666 \| good	6.769 \| good	32.932 \| good	0.544 \| good	3.594 \| good	0.149 \| good
2025-12-30T13:00:00.000Z	31 \| good	1.856 \| good	7.866 \| good	32.77 \| good	0.518 \| good	3.285 \| good	0.148 \| good
2025-12-30T14:00:00.000Z	31 \| good	2.17 \| good	8.91 \| good	32.551 \| good	0.492 \| good	2.975 \| good	0.147 \| good
2025-12-30T15:00:00.000Z	31 \| good	1.179 \| good	4.84 \| good	34.022 \| good	0.466 \| good	2.665 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.628 \| good	2.332 \| good	35.711 \| good	0.466 \| good	2.49 \| good	0.142 \| good
2025-12-30T17:00:00.000Z	36 \| good	0.643 \| good	2.3 \| good	38.805 \| good	0.465 \| good	2.314 \| good	0.139 \| good
2025-12-30T18:00:00.000Z	37 \| good	2.13 \| good	8.769 \| good	40.27 \| good	0.465 \| good	2.138 \| good	0.135 \| good
2025-12-30T19:00:00.000Z	38 \| good	2.851 \| good	11.908 \| good	40.691 \| good	0.516 \| good	2.38 \| good	0.135 \| good
2025-12-30T20:00:00.000Z	38 \| good	3.404 \| good	14.674 \| good	41.149 \| good	0.568 \| good	2.621 \| good	0.134 \| good
2025-12-30T21:00:00.000Z	39 \| good	4.078 \| good	17.665 \| good	41.55 \| good	0.62 \| good	2.863 \| good	0.133 \| good
2025-12-30T22:00:00.000Z	37 \| good	3.572 \| good	15.512 \| good	40.497 \| good	0.685 \| good	3.919 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	35 \| good	4.095 \| good	17.808 \| good	37.692 \| good	0.751 \| good	4.976 \| good	0.14 \| good

Stamford

Get reliable air quality data to drive your business

Stamford, Connecticut air quality map: Stay updated on AQI near you

0.45ppm

How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Stamford, Connecticut?

The air quality information for Stamford, Connecticut is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Stamford, Connecticut at its worst?

In the past 24 hours, the air quality in Stamford, Connecticut was at its worst at 10:00:00 on 2025-12-28.

When did Stamford, Connecticut experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Stamford, Connecticut was observed at 05:00:00 on 2025-12-28.

What is the AQI in Stamford, Connecticut right now?

As of now, the AQI in Stamford, Connecticut is 60, indicating Moderate conditions.

What is the most common type of pollution in Stamford, Connecticut?

Stamford, Connecticut air has the highest levels of PM2.5.

What should I do in case of poor air quality in Stamford, Connecticut?

Poor air quality in Stamford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Stamford, Connecticut at the moment?

PM_2.5 levels in Stamford, Connecticut are currently 13.906 μg/m³.

What is the PM₁₀ level in Stamford, Connecticut at the moment?

The PM₁₀ concentration in Stamford, Connecticut is 67.835 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Stamford, Connecticut at the moment?

The current carbon monoxide (CO) concentration in Stamford, Connecticut is 0.421 ppm.

What is the sulfur dioxide (SO₂) level in Stamford, Connecticut at the moment?

Currently, Stamford, Connecticut has a sulfur dioxide (SO₂) concentration of 0.374 ppb.

What is the ozone (O₃) level in Stamford, Connecticut at the moment?

The current ozone (O₃) level in Stamford, Connecticut at the moment is 13.228 ppm.

What is the nitrogen dioxide (NO₂) level in Stamford, Connecticut at the moment?

Nitrogen dioxide (NO₂) level in Stamford, Connecticut at the moment is 26.312 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	27 \| good	3.166 \| good	16.172 \| good	29.436 \| good	0.508 \| good	15.721 \| good	0.353 \| good
2025-12-27T01:00:00.000Z	27 \| good	4.907 \| good	25.872 \| good	29.32 \| good	0.494 \| good	14.605 \| good	0.331 \| good
2025-12-27T02:00:00.000Z	26 \| good	3.394 \| good	14.98 \| good	28.405 \| good	0.596 \| good	15.597 \| good	0.331 \| good
2025-12-27T03:00:00.000Z	22 \| good	3.81 \| good	11.545 \| good	24.444 \| good	0.494 \| good	17.06 \| good	0.318 \| good
2025-12-27T04:00:00.000Z	27 \| good	4.712 \| good	19.052 \| good	26.789 \| good	0.495 \| good	16.194 \| good	0.296 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.882 \| good	22.05 \| good	27.003 \| good	0.615 \| good	10.446 \| good	0.312 \| good
2025-12-27T06:00:00.000Z	33 \| good	5.658 \| good	27.663 \| good	28.549 \| good	0.618 \| good	13.712 \| good	0.312 \| good
2025-12-27T07:00:00.000Z	29 \| good	5.492 \| good	21.282 \| good	30.932 \| good	0.618 \| good	15.121 \| good	0.302 \| good
2025-12-27T08:00:00.000Z	28 \| good	4.686 \| good	18.581 \| good	29.822 \| good	0.474 \| good	19.198 \| good	0.302 \| good
2025-12-27T09:00:00.000Z	27 \| good	5.254 \| good	22.95 \| good	25.196 \| good	0.501 \| good	17.71 \| good	0.279 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.847 \| good	17.956 \| good	21.548 \| good	0.472 \| good	6.183 \| good	0.242 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.689 \| good	13.397 \| good	27.89 \| good	0.436 \| good	7.39 \| good	0.242 \| good
2025-12-27T12:00:00.000Z	33 \| good	5.977 \| good	20.848 \| good	26.773 \| good	0.35 \| good	7.625 \| good	0.197 \| good
2025-12-27T13:00:00.000Z	27 \| good	4.641 \| good	17.418 \| good	27.103 \| good	0.343 \| good	8.224 \| good	0.225 \| good
2025-12-27T14:00:00.000Z	27 \| good	4.707 \| good	13.667 \| good	26.129 \| good	0.371 \| good	7.853 \| good	0.258 \| good
2025-12-27T15:00:00.000Z	38 \| good	7.295 \| good	22.68 \| good	28.933 \| good	0.339 \| good	7.89 \| good	0.258 \| good
2025-12-27T16:00:00.000Z	26 \| good	4.144 \| good	12.442 \| good	28.484 \| good	0.331 \| good	6.087 \| good	0.258 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.749 \| good	10.251 \| good	30.318 \| good	0.324 \| good	5.471 \| good	0.258 \| good
2025-12-27T18:00:00.000Z	28 \| good	3.971 \| good	11.463 \| good	30.248 \| good	0.358 \| good	5.101 \| good	0.258 \| good
2025-12-27T19:00:00.000Z	30 \| good	4.107 \| good	18.906 \| good	32.187 \| good	0.351 \| good	5.88 \| good	0.258 \| good
2025-12-27T20:00:00.000Z	29 \| good	4.951 \| good	11.946 \| good	30.503 \| good	0.344 \| good	6.079 \| good	0.271 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.139 \| good	14.826 \| good	30.771 \| good	0.338 \| good	7.443 \| good	0.242 \| good
2025-12-27T22:00:00.000Z	33 \| good	6.324 \| good	20.071 \| good	32.647 \| good	0.332 \| good	11.259 \| good	0.31 \| good
2025-12-27T23:00:00.000Z	38 \| good	6.508 \| good	27.669 \| good	30.731 \| good	0.358 \| good	19.927 \| good	0.341 \| good
2025-12-28T00:00:00.000Z	33 \| good	5.51 \| good	14.172 \| good	22.331 \| good	0.372 \| good	17.892 \| good	0.341 \| good
2025-12-28T01:00:00.000Z	38 \| good	7.033 \| good	26.284 \| good	23.503 \| good	0.462 \| good	17.749 \| good	0.344 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.19 \| good	26.286 \| good	22.236 \| good	0.524 \| good	21.497 \| good	0.361 \| good
2025-12-28T03:00:00.000Z	33 \| good	5.71 \| good	24.872 \| good	19.737 \| good	1.932 \| good	25.003 \| good	0.398 \| good
2025-12-28T04:00:00.000Z	27 \| good	4.739 \| good	11.712 \| good	20.051 \| good	0.546 \| good	6.366 \| good	0.408 \| good
2025-12-28T05:00:00.000Z	27 \| good	4.779 \| good	9.577 \| good	15.298 \| good	0.497 \| good	4.89 \| good	0.452 \| good
2025-12-28T06:00:00.000Z	29 \| good	4.737 \| good	17.901 \| good	30.585 \| good	0.553 \| good	7.165 \| good	0.393 \| good
2025-12-28T07:00:00.000Z	33 \| good	5.708 \| good	29.212 \| good	19.858 \| good	0.534 \| good	6.225 \| good	0.448 \| good
2025-12-28T08:00:00.000Z	44 \| good	7.914 \| good	30.815 \| good	16.55 \| good	0.481 \| good	5.248 \| good	0.417 \| good
2025-12-28T09:00:00.000Z	49 \| good	8.878 \| good	25.32 \| good	9.237 \| good	0.707 \| good	5.773 \| good	0.372 \| good
2025-12-28T10:00:00.000Z	53 \| moderate	10.318 \| good	60.432 \| fine	9.093 \| good	0.554 \| good	5.5 \| good	0.419 \| good
2025-12-28T11:00:00.000Z	44 \| good	7.654 \| good	33.36 \| good	12.006 \| good	0.434 \| good	5.257 \| good	0.385 \| good
2025-12-28T12:00:00.000Z	44 \| good	8.188 \| good	33.077 \| good	9.52 \| good	0.468 \| good	19.645 \| good	0.373 \| good
2025-12-28T13:00:00.000Z	38 \| good	6.749 \| good	40.406 \| good	14.91 \| good	0.467 \| good	13.092 \| good	0.373 \| good
2025-12-28T14:00:00.000Z	38 \| good	6.716 \| good	14.962 \| good	11.731 \| good	0.537 \| good	12.219 \| good	0.471 \| good
2025-12-28T15:00:00.000Z	33 \| good	6.259 \| good	18.023 \| good	17.73 \| good	0.347 \| good	11.78 \| good	0.395 \| good
2025-12-28T16:00:00.000Z	49 \| good	8.867 \| good	42.349 \| good	14.386 \| good	0.32 \| good	14.832 \| good	0.35 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.353 \| good	42.106 \| good	16.395 \| good	0.348 \| good	12.478 \| good	0.316 \| good
2025-12-28T18:00:00.000Z	56 \| moderate	12.37 \| fine	55.974 \| fine	17.183 \| good	0.419 \| good	9.294 \| good	0.338 \| good
2025-12-28T19:00:00.000Z	56 \| moderate	11.973 \| good	59.438 \| fine	16.633 \| good	0.432 \| good	12.465 \| good	0.338 \| good
2025-12-28T20:00:00.000Z	56 \| moderate	12.217 \| fine	51.629 \| good	18.125 \| good	0.517 \| good	15.779 \| good	0.361 \| good
2025-12-28T21:00:00.000Z	54 \| moderate	11.116 \| good	62.186 \| fine	17.365 \| good	0.47 \| good	21.436 \| good	0.415 \| good
2025-12-28T22:00:00.000Z	62 \| moderate	14.726 \| fine	72.618 \| fine	13.086 \| good	0.411 \| good	26.283 \| good	0.432 \| good
2025-12-28T23:00:00.000Z	60 \| moderate	13.906 \| fine	67.835 \| fine	13.228 \| good	0.374 \| good	26.312 \| good	0.421 \| good
2025-12-29T00:00:00.000Z	66 \| moderate	16.804 \| fine	74.452 \| fine	9.212 \| good	2.883 \| good	28.348 \| good	0.345 \| good
2025-12-29T01:00:00.000Z	54 \| moderate	11.132 \| good	49.534 \| good	12.692 \| good	2.511 \| good	27.942 \| good	0.311 \| good
2025-12-29T02:00:00.000Z	49 \| good	9.023 \| good	39.988 \| good	18.537 \| good	2.139 \| good	27.536 \| good	0.277 \| good
2025-12-29T03:00:00.000Z	44 \| good	7.652 \| good	33.904 \| good	23.542 \| good	1.767 \| good	27.13 \| good	0.243 \| good
2025-12-29T04:00:00.000Z	33 \| good	6.01 \| good	26.439 \| good	22.741 \| good	1.504 \| good	22.224 \| good	0.217 \| good
2025-12-29T05:00:00.000Z	22 \| good	4.025 \| good	17.516 \| good	21.134 \| good	1.24 \| good	17.318 \| good	0.192 \| good
2025-12-29T06:00:00.000Z	19 \| good	3.242 \| good	13.835 \| good	20.172 \| good	0.977 \| good	12.412 \| good	0.166 \| good
2025-12-29T07:00:00.000Z	19 \| good	2.853 \| good	11.676 \| good	20.226 \| good	1.022 \| good	10.652 \| good	0.161 \| good
2025-12-29T08:00:00.000Z	16 \| good	2.509 \| good	10.371 \| good	17.164 \| good	1.067 \| good	8.892 \| good	0.155 \| good
2025-12-29T09:00:00.000Z	16 \| good	3.323 \| good	14.463 \| good	10.898 \| good	1.112 \| good	7.132 \| good	0.15 \| good
2025-12-29T10:00:00.000Z	22 \| good	4.313 \| good	18.957 \| good	6.464 \| good	1.305 \| good	9.258 \| good	0.161 \| good
2025-12-29T11:00:00.000Z	27 \| good	5.157 \| good	22.187 \| good	7.611 \| good	1.499 \| good	11.383 \| good	0.172 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.197 \| good	18.275 \| good	4.696 \| good	1.692 \| good	13.509 \| good	0.183 \| good
2025-12-29T13:00:00.000Z	22 \| good	4.101 \| good	18.114 \| good	6.456 \| good	1.815 \| good	14.792 \| good	0.194 \| good
2025-12-29T14:00:00.000Z	27 \| good	5.326 \| good	23.155 \| good	7.629 \| good	1.938 \| good	16.075 \| good	0.206 \| good
2025-12-29T15:00:00.000Z	27 \| good	5.234 \| good	22.775 \| good	5.559 \| good	2.061 \| good	17.358 \| good	0.217 \| good
2025-12-29T16:00:00.000Z	38 \| good	6.531 \| good	28.819 \| good	2.67 \| good	2.116 \| good	16.502 \| good	0.215 \| good
2025-12-29T17:00:00.000Z	44 \| good	8.223 \| good	36.527 \| good	5.64 \| good	2.17 \| good	15.646 \| good	0.214 \| good
2025-12-29T18:00:00.000Z	38 \| good	7.395 \| good	32.868 \| good	21.504 \| good	2.225 \| good	14.79 \| good	0.212 \| good
2025-12-29T19:00:00.000Z	37 \| good	4.011 \| good	17.492 \| good	39.51 \| good	2.065 \| good	12.121 \| good	0.195 \| good
2025-12-29T20:00:00.000Z	38 \| good	3.404 \| good	14.965 \| good	40.721 \| good	1.905 \| good	9.451 \| good	0.178 \| good
2025-12-29T21:00:00.000Z	38 \| good	7.342 \| good	32.394 \| good	35.766 \| good	1.745 \| good	6.782 \| good	0.16 \| good
2025-12-29T22:00:00.000Z	38 \| good	7.09 \| good	31.472 \| good	27.824 \| good	1.68 \| good	6.178 \| good	0.166 \| good
2025-12-29T23:00:00.000Z	38 \| good	6.957 \| good	31.085 \| good	23.572 \| good	1.615 \| good	5.573 \| good	0.171 \| good
2025-12-30T00:00:00.000Z	38 \| good	6.622 \| good	29.347 \| good	15.788 \| good	1.55 \| good	4.969 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	22 \| good	4.211 \| good	18.405 \| good	15.033 \| good	1.448 \| good	5.096 \| good	0.174 \| good
2025-12-30T02:00:00.000Z	33 \| good	5.902 \| good	26.038 \| good	16.848 \| good	1.346 \| good	5.223 \| good	0.171 \| good
2025-12-30T03:00:00.000Z	33 \| good	6.417 \| good	28.57 \| good	20.772 \| good	1.244 \| good	5.351 \| good	0.168 \| good
2025-12-30T04:00:00.000Z	24 \| good	4.274 \| good	18.884 \| good	26.02 \| good	1.061 \| good	4.433 \| good	0.161 \| good
2025-12-30T05:00:00.000Z	28 \| good	5.343 \| good	23.032 \| good	29.685 \| good	0.878 \| good	3.514 \| good	0.155 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.994 \| good	17.462 \| good	32.288 \| good	0.695 \| good	2.596 \| good	0.148 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.964 \| good	17.483 \| good	33.191 \| good	0.601 \| good	2.311 \| good	0.145 \| good
2025-12-30T08:00:00.000Z	31 \| good	2.232 \| good	9.264 \| good	33.31 \| good	0.507 \| good	2.026 \| good	0.142 \| good
2025-12-30T09:00:00.000Z	31 \| good	2.23 \| good	9.064 \| good	33.625 \| good	0.413 \| good	1.741 \| good	0.139 \| good
2025-12-30T10:00:00.000Z	30 \| good	1.897 \| good	7.803 \| good	31.738 \| good	0.457 \| good	2.359 \| good	0.143 \| good
2025-12-30T11:00:00.000Z	31 \| good	2.056 \| good	8.357 \| good	34.154 \| good	0.5 \| good	2.976 \| good	0.146 \| good
2025-12-30T12:00:00.000Z	31 \| good	1.666 \| good	6.769 \| good	32.932 \| good	0.544 \| good	3.594 \| good	0.149 \| good
2025-12-30T13:00:00.000Z	31 \| good	1.856 \| good	7.866 \| good	32.77 \| good	0.518 \| good	3.285 \| good	0.148 \| good
2025-12-30T14:00:00.000Z	31 \| good	2.17 \| good	8.91 \| good	32.551 \| good	0.492 \| good	2.975 \| good	0.147 \| good
2025-12-30T15:00:00.000Z	31 \| good	1.179 \| good	4.84 \| good	34.022 \| good	0.466 \| good	2.665 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.628 \| good	2.332 \| good	35.711 \| good	0.466 \| good	2.49 \| good	0.142 \| good
2025-12-30T17:00:00.000Z	36 \| good	0.643 \| good	2.3 \| good	38.805 \| good	0.465 \| good	2.314 \| good	0.139 \| good
2025-12-30T18:00:00.000Z	37 \| good	2.13 \| good	8.769 \| good	40.27 \| good	0.465 \| good	2.138 \| good	0.135 \| good
2025-12-30T19:00:00.000Z	38 \| good	2.851 \| good	11.908 \| good	40.691 \| good	0.516 \| good	2.38 \| good	0.135 \| good
2025-12-30T20:00:00.000Z	38 \| good	3.404 \| good	14.674 \| good	41.149 \| good	0.568 \| good	2.621 \| good	0.134 \| good
2025-12-30T21:00:00.000Z	39 \| good	4.078 \| good	17.665 \| good	41.55 \| good	0.62 \| good	2.863 \| good	0.133 \| good
2025-12-30T22:00:00.000Z	37 \| good	3.572 \| good	15.512 \| good	40.497 \| good	0.685 \| good	3.919 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	35 \| good	4.095 \| good	17.808 \| good	37.692 \| good	0.751 \| good	4.976 \| good	0.14 \| good

Live air quality index in Stamford, Connecticut today

Major air pollutants in Stamford, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Darien, Connecticut

Greenwich, Connecticut

New Canaan, Connecticut

Port Chester, New York

Norwalk, Connecticut

Rye, New York

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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 level in Stamford, Connecticut at the moment?

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What is the ozone (O₃) level in Stamford, Connecticut at the moment?

What is the nitrogen dioxide (NO₂) level in Stamford, Connecticut at the moment?