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

Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 0.911 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 23.819 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 7.142 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 3.087 μg/m3.

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

The PM10 concentration in Stamford, Connecticut is 13.789 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)

Good

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)

3.09 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.79 μg/m³

155

255

425

605+

Ozone (O₃)

23.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.91 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.14 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 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
2026-11-11T01:00:00.000Z	33 \| good	6.285 \| good	25.726 \| good	25.701 \| good	0.662 \| good	18.635 \| good	0.454 \| good
2026-11-11T02:00:00.000Z	33 \| good	5.811 \| good	20.735 \| good	30.65 \| good	0.506 \| good	24.838 \| good	0.397 \| good
2026-11-11T03:00:00.000Z	44 \| good	8.14 \| good	21.696 \| good	24.614 \| good	0.568 \| good	29.752 \| good	0.397 \| good
2026-11-11T04:00:00.000Z	33 \| good	5.735 \| good	16.288 \| good	28.795 \| good	0.443 \| good	26.971 \| good	0.371 \| good
2026-11-11T05:00:00.000Z	44 \| good	8.3 \| good	39.269 \| good	27.217 \| good	0.45 \| good	24.632 \| good	0.433 \| good
2026-11-11T06:00:00.000Z	22 \| good	4.37 \| good	22.939 \| good	21.902 \| good	0.405 \| good	23.474 \| good	0.325 \| good
2026-11-11T07:00:00.000Z	22 \| good	4.307 \| good	19.399 \| good	19.816 \| good	0.385 \| good	23.153 \| good	0.34 \| good
2026-11-11T08:00:00.000Z	27 \| good	3.989 \| good	22.21 \| good	29.449 \| good	0.436 \| good	20.577 \| good	0.344 \| good
2026-11-11T09:00:00.000Z	28 \| good	4.287 \| good	27.048 \| good	30.313 \| good	0.232 \| good	16.581 \| good	0.265 \| good
2026-11-11T10:00:00.000Z	23 \| good	3.007 \| good	16.474 \| good	25.165 \| good	0.439 \| good	10.039 \| good	0.244 \| good
2026-11-11T11:00:00.000Z	29 \| good	3.337 \| good	13.633 \| good	30.91 \| good	0.392 \| good	8.535 \| good	0.284 \| good
2026-11-11T12:00:00.000Z	31 \| good	3.95 \| good	16.865 \| good	33.486 \| good	0.454 \| good	13.855 \| good	0.423 \| good
2026-11-11T13:00:00.000Z	28 \| good	4.708 \| good	19.663 \| good	29.889 \| good	0.471 \| good	14.591 \| good	0.366 \| good
2026-11-11T14:00:00.000Z	25 \| good	4.21 \| good	27.371 \| good	20.007 \| good	1.286 \| good	9.071 \| good	0.413 \| good
2026-11-11T15:00:00.000Z	18 \| good	3.411 \| good	10.627 \| good	18.508 \| good	1.169 \| good	3.337 \| good	0.331 \| good
2026-11-11T16:00:00.000Z	20 \| good	3.01 \| good	20.138 \| good	22.279 \| good	1.547 \| good	2.45 \| good	0.441 \| good
2026-11-11T17:00:00.000Z	27 \| good	4.655 \| good	11.434 \| good	28.584 \| good	0.508 \| good	3.097 \| good	0.252 \| good
2026-11-11T18:00:00.000Z	31 \| good	3.527 \| good	14.402 \| good	33.842 \| good	0.531 \| good	3.42 \| good	0.273 \| good
2026-11-11T19:00:00.000Z	30 \| good	4.284 \| good	24.737 \| good	31.802 \| good	0.362 \| good	6.584 \| good	0.246 \| good
2026-11-11T20:00:00.000Z	30 \| good	3.216 \| good	17.403 \| good	32.017 \| good	0.534 \| good	5.326 \| good	0.23 \| good
2026-11-11T21:00:00.000Z	29 \| good	2.375 \| good	5.902 \| good	30.644 \| good	0.395 \| good	6.007 \| good	0.313 \| good
2026-11-11T22:00:00.000Z	33 \| good	2.237 \| good	9.399 \| good	35.682 \| good	0.405 \| good	9.327 \| good	0.314 \| good
2026-11-11T23:00:00.000Z	31 \| good	1.87 \| good	11.181 \| good	33.152 \| good	0.516 \| good	20.244 \| good	0.37 \| good
2026-11-12T00:00:00.000Z	30 \| good	3.514 \| good	13.619 \| good	32.006 \| good	0.489 \| good	20.161 \| good	0.372 \| good
2026-11-12T01:00:00.000Z	30 \| good	4.762 \| good	23.779 \| good	32.073 \| good	0.366 \| good	20.909 \| good	0.418 \| good
2026-11-12T02:00:00.000Z	27 \| good	4.767 \| good	17.629 \| good	27.584 \| good	0.446 \| good	20.127 \| good	0.476 \| good
2026-11-12T03:00:00.000Z	49 \| good	8.591 \| good	22.064 \| good	26.854 \| good	0.498 \| good	21.921 \| good	0.472 \| good
2026-11-12T04:00:00.000Z	27 \| good	5.166 \| good	24.496 \| good	25.049 \| good	0.452 \| good	20.401 \| good	0.432 \| good
2026-11-12T05:00:00.000Z	27 \| good	4.996 \| good	27.23 \| good	14.478 \| good	0.429 \| good	21.127 \| good	0.426 \| good
2026-11-12T06:00:00.000Z	28 \| good	4.786 \| good	29.776 \| good	20.267 \| good	0.367 \| good	26.346 \| good	0.406 \| good
2026-11-12T07:00:00.000Z	28 \| good	4.846 \| good	29.641 \| good	24.101 \| good	0.324 \| good	27.56 \| good	0.372 \| good
2026-11-12T08:00:00.000Z	77 \| moderate	21.985 \| fine	106.823 \| fine	21.37 \| good	0.42 \| good	28.576 \| good	0.365 \| good
2026-11-12T09:00:00.000Z	33 \| good	5.881 \| good	27.843 \| good	18.626 \| good	0.582 \| good	25.126 \| good	0.399 \| good
2026-11-12T10:00:00.000Z	38 \| good	6.519 \| good	28.023 \| good	21.374 \| good	0.352 \| good	19.228 \| good	0.394 \| good
2026-11-12T11:00:00.000Z	27 \| good	4.875 \| good	18.906 \| good	19.597 \| good	0.359 \| good	8.529 \| good	0.334 \| good
2026-11-12T12:00:00.000Z	27 \| good	4.748 \| good	24.476 \| good	15.764 \| good	0.549 \| good	20.086 \| good	0.363 \| good
2026-11-12T13:00:00.000Z	29 \| good	5.182 \| good	31.364 \| good	18.645 \| good	0.66 \| good	21.442 \| good	0.355 \| good
2026-11-12T14:00:00.000Z	27 \| good	4.537 \| good	23.79 \| good	18.836 \| good	0.414 \| good	14.173 \| good	0.319 \| good
2026-11-12T15:00:00.000Z	25 \| good	4.081 \| good	26.906 \| good	22.327 \| good	0.387 \| good	11.425 \| good	0.309 \| good
2026-11-12T16:00:00.000Z	25 \| good	3.779 \| good	17.44 \| good	26.876 \| good	0.375 \| good	9.885 \| good	0.288 \| good
2026-11-12T17:00:00.000Z	31 \| good	3.088 \| good	23.705 \| good	27.846 \| good	0.397 \| good	32.55 \| good	0.309 \| good
2026-11-12T18:00:00.000Z	27 \| good	2.123 \| good	8.924 \| good	28.582 \| good	0.19 \| good	6.178 \| good	0.306 \| good
2026-11-12T19:00:00.000Z	32 \| good	2.357 \| good	8.757 \| good	34.956 \| good	0.335 \| good	6.825 \| good	0.309 \| good
2026-11-12T20:00:00.000Z	27 \| good	2.344 \| good	7.247 \| good	28.882 \| good	0.66 \| good	8.757 \| good	0.325 \| good
2026-11-12T21:00:00.000Z	24 \| good	2.983 \| good	15.454 \| good	25.795 \| good	0.659 \| good	8.771 \| good	0.325 \| good
2026-11-12T22:00:00.000Z	26 \| good	3.074 \| good	15.605 \| good	27.645 \| good	0.602 \| good	7.853 \| good	0.288 \| good
2026-11-12T23:00:00.000Z	22 \| good	3.087 \| good	13.789 \| good	23.819 \| good	0.911 \| good	7.142 \| good	0.305 \| good
2026-11-13T00:00:00.000Z	24 \| good	4.459 \| good	15.958 \| good	25.529 \| good	0.422 \| good	5.654 \| good	0.267 \| good
2026-11-13T00:00:00.000Z	22 \| good	3.087 \| good	13.789 \| good	23.819 \| good	0.911 \| good	7.142 \| good	0.305 \| good
2026-11-13T01:00:00.000Z	25 \| good	0.974 \| good	3.992 \| good	27.382 \| good	0.251 \| good	6.043 \| good	0.162 \| good
2026-11-13T02:00:00.000Z	26 \| good	1.027 \| good	4.056 \| good	28.485 \| good	0.254 \| good	5.538 \| good	0.158 \| good
2026-11-13T03:00:00.000Z	27 \| good	1.09 \| good	4.569 \| good	28.513 \| good	0.253 \| good	4.965 \| good	0.156 \| good
2026-11-13T04:00:00.000Z	27 \| good	0.827 \| good	3.049 \| good	28.565 \| good	0.239 \| good	3.98 \| good	0.154 \| good
2026-11-13T05:00:00.000Z	27 \| good	0.623 \| good	2.072 \| good	29.036 \| good	0.222 \| good	3.274 \| good	0.151 \| good
2026-11-13T06:00:00.000Z	27 \| good	0.713 \| good	2.674 \| good	29.276 \| good	0.206 \| good	2.957 \| good	0.149 \| good
2026-11-13T07:00:00.000Z	28 \| good	0.704 \| good	2.674 \| good	30.386 \| good	0.192 \| good	2.759 \| good	0.149 \| good
2026-11-13T08:00:00.000Z	28 \| good	0.625 \| good	2.157 \| good	30.225 \| good	0.175 \| good	2.585 \| good	0.15 \| good
2026-11-13T09:00:00.000Z	27 \| good	0.691 \| good	2.17 \| good	28.555 \| good	0.166 \| good	2.38 \| good	0.153 \| good
2026-11-13T10:00:00.000Z	26 \| good	1.181 \| good	5 \| good	28.271 \| good	0.173 \| good	2.374 \| good	0.157 \| good
2026-11-13T11:00:00.000Z	25 \| good	1.724 \| good	7.048 \| good	26.507 \| good	0.198 \| good	3.142 \| good	0.162 \| good
2026-11-13T12:00:00.000Z	24 \| good	1.132 \| good	4.791 \| good	26.281 \| good	0.225 \| good	4.108 \| good	0.17 \| good
2026-11-13T13:00:00.000Z	25 \| good	1.26 \| good	5.003 \| good	26.619 \| good	0.244 \| good	4.793 \| good	0.176 \| good
2026-11-13T14:00:00.000Z	24 \| good	2.79 \| good	11.557 \| good	26.058 \| good	0.27 \| good	5.733 \| good	0.182 \| good
2026-11-13T15:00:00.000Z	24 \| good	2.501 \| good	10.064 \| good	26.432 \| good	0.289 \| good	5.922 \| good	0.183 \| good
2026-11-13T16:00:00.000Z	24 \| good	2.217 \| good	9.049 \| good	25.828 \| good	0.304 \| good	5.677 \| good	0.182 \| good
2026-11-13T17:00:00.000Z	24 \| good	2.037 \| good	8.165 \| good	25.973 \| good	0.318 \| good	4.924 \| good	0.179 \| good
2026-11-13T18:00:00.000Z	25 \| good	2.418 \| good	10.024 \| good	26.641 \| good	0.328 \| good	4.276 \| good	0.173 \| good
2026-11-13T19:00:00.000Z	25 \| good	2.358 \| good	9.91 \| good	27.415 \| good	0.334 \| good	4.107 \| good	0.17 \| good
2026-11-13T20:00:00.000Z	25 \| good	2.448 \| good	10 \| good	26.945 \| good	0.337 \| good	4.041 \| good	0.166 \| good
2026-11-13T21:00:00.000Z	23 \| good	2.071 \| good	8.164 \| good	25.15 \| good	0.353 \| good	4.814 \| good	0.167 \| good
2026-11-13T22:00:00.000Z	24 \| good	0.646 \| good	2.129 \| good	25.828 \| good	0.381 \| good	6.293 \| good	0.171 \| good
2026-11-13T23:00:00.000Z	24 \| good	0.516 \| good	1.744 \| good	25.521 \| good	0.402 \| good	6.999 \| good	0.17 \| good
2026-11-14T00:00:00.000Z	23 \| good	0.713 \| good	2.44 \| good	24.61 \| good	0.423 \| good	7.626 \| good	0.168 \| good
2026-11-14T01:00:00.000Z	21 \| good	0.975 \| good	3.943 \| good	23.487 \| good	0.433 \| good	7.62 \| good	0.163 \| good
2026-11-14T02:00:00.000Z	21 \| good	1.187 \| good	4.915 \| good	23.43 \| good	0.441 \| good	7.509 \| good	0.16 \| good
2026-11-14T03:00:00.000Z	21 \| good	0.749 \| good	2.54 \| good	22.724 \| good	0.441 \| good	7.052 \| good	0.159 \| good
2026-11-14T04:00:00.000Z	20 \| good	1.295 \| good	5.044 \| good	22.468 \| good	0.426 \| good	5.995 \| good	0.157 \| good
2026-11-14T05:00:00.000Z	21 \| good	1.15 \| good	4.891 \| good	23.389 \| good	0.408 \| good	5.061 \| good	0.156 \| good
2026-11-14T06:00:00.000Z	21 \| good	1.841 \| good	7.936 \| good	23.326 \| good	0.386 \| good	5.123 \| good	0.156 \| good
2026-11-14T07:00:00.000Z	19 \| good	1.458 \| good	5.843 \| good	21.393 \| good	0.355 \| good	5.332 \| good	0.157 \| good
2026-11-14T08:00:00.000Z	18 \| good	2.246 \| good	9.056 \| good	19.069 \| good	0.316 \| good	5.362 \| good	0.157 \| good
2026-11-14T09:00:00.000Z	21 \| good	2.381 \| good	9.877 \| good	22.523 \| good	0.276 \| good	5.338 \| good	0.157 \| good
2026-11-14T10:00:00.000Z	20 \| good	1.994 \| good	8.037 \| good	22.397 \| good	0.25 \| good	5.69 \| good	0.158 \| good
2026-11-14T11:00:00.000Z	20 \| good	1.948 \| good	7.989 \| good	21.988 \| good	0.259 \| good	7.809 \| good	0.164 \| good
2026-11-14T12:00:00.000Z	23 \| good	1.712 \| good	6.944 \| good	24.732 \| good	0.304 \| good	9.936 \| good	0.178 \| good
2026-11-14T13:00:00.000Z	25 \| good	0.972 \| good	3.939 \| good	27.005 \| good	0.333 \| good	9.025 \| good	0.19 \| good
2026-11-14T14:00:00.000Z	25 \| good	1.686 \| good	6.885 \| good	27.297 \| good	0.324 \| good	5.491 \| good	0.168 \| good
2026-11-14T15:00:00.000Z	25 \| good	1.115 \| good	4.499 \| good	27.309 \| good	0.316 \| good	3.595 \| good	0.155 \| good
2026-11-14T16:00:00.000Z	26 \| good	1.126 \| good	4.596 \| good	27.882 \| good	0.252 \| good	2.547 \| good	0.145 \| good
2026-11-14T17:00:00.000Z	25 \| good	1.099 \| good	4.557 \| good	26.925 \| good	0.193 \| good	2.133 \| good	0.14 \| good
2026-11-14T18:00:00.000Z	25 \| good	1.253 \| good	5.102 \| good	27.013 \| good	0.169 \| good	2.172 \| good	0.14 \| good
2026-11-14T19:00:00.000Z	25 \| good	0.87 \| good	3.18 \| good	27.1 \| good	0.152 \| good	2.267 \| good	0.141 \| good
2026-11-14T20:00:00.000Z	24 \| good	0.707 \| good	2.65 \| good	25.6 \| good	0.142 \| good	2.508 \| good	0.142 \| good
2026-11-14T21:00:00.000Z	19 \| good	0.283 \| good	0.977 \| good	21.158 \| good	0.164 \| good	4.3 \| good	0.149 \| good
2026-11-14T22:00:00.000Z	19 \| good	0.936 \| good	3.875 \| good	19.6 \| good	0.197 \| good	6.513 \| good	0.158 \| good
2026-11-14T23:00:00.000Z	19 \| good	1.23 \| good	5.012 \| good	19.737 \| good	0.241 \| good	9.028 \| good	0.168 \| good
2026-11-15T00:00:00.000Z	19 \| good	1.336 \| good	5.423 \| good	19.8 \| good	0.29 \| good	11.378 \| good	0.175 \| good

Stamford

Get reliable air quality data to drive your business

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

0.32ppm

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 08:00:00 on 2026-11-12.

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 11:00:00 on 2026-11-12.

What is the AQI in Stamford, Connecticut right now?

As of now, the AQI in Stamford, Connecticut is 22, indicating Good conditions.

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

Stamford, Connecticut air has the highest levels of O3.

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 3.087 μg/m³.

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

The PM₁₀ concentration in Stamford, Connecticut is 13.789 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 0.305 ppm.

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

Currently, Stamford, Connecticut has a sulfur dioxide (SO₂) concentration of 0.911 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 23.819 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 7.142 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-11-11T01:00:00.000Z	33 \| good	6.285 \| good	25.726 \| good	25.701 \| good	0.662 \| good	18.635 \| good	0.454 \| good
2026-11-11T02:00:00.000Z	33 \| good	5.811 \| good	20.735 \| good	30.65 \| good	0.506 \| good	24.838 \| good	0.397 \| good
2026-11-11T03:00:00.000Z	44 \| good	8.14 \| good	21.696 \| good	24.614 \| good	0.568 \| good	29.752 \| good	0.397 \| good
2026-11-11T04:00:00.000Z	33 \| good	5.735 \| good	16.288 \| good	28.795 \| good	0.443 \| good	26.971 \| good	0.371 \| good
2026-11-11T05:00:00.000Z	44 \| good	8.3 \| good	39.269 \| good	27.217 \| good	0.45 \| good	24.632 \| good	0.433 \| good
2026-11-11T06:00:00.000Z	22 \| good	4.37 \| good	22.939 \| good	21.902 \| good	0.405 \| good	23.474 \| good	0.325 \| good
2026-11-11T07:00:00.000Z	22 \| good	4.307 \| good	19.399 \| good	19.816 \| good	0.385 \| good	23.153 \| good	0.34 \| good
2026-11-11T08:00:00.000Z	27 \| good	3.989 \| good	22.21 \| good	29.449 \| good	0.436 \| good	20.577 \| good	0.344 \| good
2026-11-11T09:00:00.000Z	28 \| good	4.287 \| good	27.048 \| good	30.313 \| good	0.232 \| good	16.581 \| good	0.265 \| good
2026-11-11T10:00:00.000Z	23 \| good	3.007 \| good	16.474 \| good	25.165 \| good	0.439 \| good	10.039 \| good	0.244 \| good
2026-11-11T11:00:00.000Z	29 \| good	3.337 \| good	13.633 \| good	30.91 \| good	0.392 \| good	8.535 \| good	0.284 \| good
2026-11-11T12:00:00.000Z	31 \| good	3.95 \| good	16.865 \| good	33.486 \| good	0.454 \| good	13.855 \| good	0.423 \| good
2026-11-11T13:00:00.000Z	28 \| good	4.708 \| good	19.663 \| good	29.889 \| good	0.471 \| good	14.591 \| good	0.366 \| good
2026-11-11T14:00:00.000Z	25 \| good	4.21 \| good	27.371 \| good	20.007 \| good	1.286 \| good	9.071 \| good	0.413 \| good
2026-11-11T15:00:00.000Z	18 \| good	3.411 \| good	10.627 \| good	18.508 \| good	1.169 \| good	3.337 \| good	0.331 \| good
2026-11-11T16:00:00.000Z	20 \| good	3.01 \| good	20.138 \| good	22.279 \| good	1.547 \| good	2.45 \| good	0.441 \| good
2026-11-11T17:00:00.000Z	27 \| good	4.655 \| good	11.434 \| good	28.584 \| good	0.508 \| good	3.097 \| good	0.252 \| good
2026-11-11T18:00:00.000Z	31 \| good	3.527 \| good	14.402 \| good	33.842 \| good	0.531 \| good	3.42 \| good	0.273 \| good
2026-11-11T19:00:00.000Z	30 \| good	4.284 \| good	24.737 \| good	31.802 \| good	0.362 \| good	6.584 \| good	0.246 \| good
2026-11-11T20:00:00.000Z	30 \| good	3.216 \| good	17.403 \| good	32.017 \| good	0.534 \| good	5.326 \| good	0.23 \| good
2026-11-11T21:00:00.000Z	29 \| good	2.375 \| good	5.902 \| good	30.644 \| good	0.395 \| good	6.007 \| good	0.313 \| good
2026-11-11T22:00:00.000Z	33 \| good	2.237 \| good	9.399 \| good	35.682 \| good	0.405 \| good	9.327 \| good	0.314 \| good
2026-11-11T23:00:00.000Z	31 \| good	1.87 \| good	11.181 \| good	33.152 \| good	0.516 \| good	20.244 \| good	0.37 \| good
2026-11-12T00:00:00.000Z	30 \| good	3.514 \| good	13.619 \| good	32.006 \| good	0.489 \| good	20.161 \| good	0.372 \| good
2026-11-12T01:00:00.000Z	30 \| good	4.762 \| good	23.779 \| good	32.073 \| good	0.366 \| good	20.909 \| good	0.418 \| good
2026-11-12T02:00:00.000Z	27 \| good	4.767 \| good	17.629 \| good	27.584 \| good	0.446 \| good	20.127 \| good	0.476 \| good
2026-11-12T03:00:00.000Z	49 \| good	8.591 \| good	22.064 \| good	26.854 \| good	0.498 \| good	21.921 \| good	0.472 \| good
2026-11-12T04:00:00.000Z	27 \| good	5.166 \| good	24.496 \| good	25.049 \| good	0.452 \| good	20.401 \| good	0.432 \| good
2026-11-12T05:00:00.000Z	27 \| good	4.996 \| good	27.23 \| good	14.478 \| good	0.429 \| good	21.127 \| good	0.426 \| good
2026-11-12T06:00:00.000Z	28 \| good	4.786 \| good	29.776 \| good	20.267 \| good	0.367 \| good	26.346 \| good	0.406 \| good
2026-11-12T07:00:00.000Z	28 \| good	4.846 \| good	29.641 \| good	24.101 \| good	0.324 \| good	27.56 \| good	0.372 \| good
2026-11-12T08:00:00.000Z	77 \| moderate	21.985 \| fine	106.823 \| fine	21.37 \| good	0.42 \| good	28.576 \| good	0.365 \| good
2026-11-12T09:00:00.000Z	33 \| good	5.881 \| good	27.843 \| good	18.626 \| good	0.582 \| good	25.126 \| good	0.399 \| good
2026-11-12T10:00:00.000Z	38 \| good	6.519 \| good	28.023 \| good	21.374 \| good	0.352 \| good	19.228 \| good	0.394 \| good
2026-11-12T11:00:00.000Z	27 \| good	4.875 \| good	18.906 \| good	19.597 \| good	0.359 \| good	8.529 \| good	0.334 \| good
2026-11-12T12:00:00.000Z	27 \| good	4.748 \| good	24.476 \| good	15.764 \| good	0.549 \| good	20.086 \| good	0.363 \| good
2026-11-12T13:00:00.000Z	29 \| good	5.182 \| good	31.364 \| good	18.645 \| good	0.66 \| good	21.442 \| good	0.355 \| good
2026-11-12T14:00:00.000Z	27 \| good	4.537 \| good	23.79 \| good	18.836 \| good	0.414 \| good	14.173 \| good	0.319 \| good
2026-11-12T15:00:00.000Z	25 \| good	4.081 \| good	26.906 \| good	22.327 \| good	0.387 \| good	11.425 \| good	0.309 \| good
2026-11-12T16:00:00.000Z	25 \| good	3.779 \| good	17.44 \| good	26.876 \| good	0.375 \| good	9.885 \| good	0.288 \| good
2026-11-12T17:00:00.000Z	31 \| good	3.088 \| good	23.705 \| good	27.846 \| good	0.397 \| good	32.55 \| good	0.309 \| good
2026-11-12T18:00:00.000Z	27 \| good	2.123 \| good	8.924 \| good	28.582 \| good	0.19 \| good	6.178 \| good	0.306 \| good
2026-11-12T19:00:00.000Z	32 \| good	2.357 \| good	8.757 \| good	34.956 \| good	0.335 \| good	6.825 \| good	0.309 \| good
2026-11-12T20:00:00.000Z	27 \| good	2.344 \| good	7.247 \| good	28.882 \| good	0.66 \| good	8.757 \| good	0.325 \| good
2026-11-12T21:00:00.000Z	24 \| good	2.983 \| good	15.454 \| good	25.795 \| good	0.659 \| good	8.771 \| good	0.325 \| good
2026-11-12T22:00:00.000Z	26 \| good	3.074 \| good	15.605 \| good	27.645 \| good	0.602 \| good	7.853 \| good	0.288 \| good
2026-11-12T23:00:00.000Z	22 \| good	3.087 \| good	13.789 \| good	23.819 \| good	0.911 \| good	7.142 \| good	0.305 \| good
2026-11-13T00:00:00.000Z	24 \| good	4.459 \| good	15.958 \| good	25.529 \| good	0.422 \| good	5.654 \| good	0.267 \| good
2026-11-13T00:00:00.000Z	22 \| good	3.087 \| good	13.789 \| good	23.819 \| good	0.911 \| good	7.142 \| good	0.305 \| good
2026-11-13T01:00:00.000Z	25 \| good	0.974 \| good	3.992 \| good	27.382 \| good	0.251 \| good	6.043 \| good	0.162 \| good
2026-11-13T02:00:00.000Z	26 \| good	1.027 \| good	4.056 \| good	28.485 \| good	0.254 \| good	5.538 \| good	0.158 \| good
2026-11-13T03:00:00.000Z	27 \| good	1.09 \| good	4.569 \| good	28.513 \| good	0.253 \| good	4.965 \| good	0.156 \| good
2026-11-13T04:00:00.000Z	27 \| good	0.827 \| good	3.049 \| good	28.565 \| good	0.239 \| good	3.98 \| good	0.154 \| good
2026-11-13T05:00:00.000Z	27 \| good	0.623 \| good	2.072 \| good	29.036 \| good	0.222 \| good	3.274 \| good	0.151 \| good
2026-11-13T06:00:00.000Z	27 \| good	0.713 \| good	2.674 \| good	29.276 \| good	0.206 \| good	2.957 \| good	0.149 \| good
2026-11-13T07:00:00.000Z	28 \| good	0.704 \| good	2.674 \| good	30.386 \| good	0.192 \| good	2.759 \| good	0.149 \| good
2026-11-13T08:00:00.000Z	28 \| good	0.625 \| good	2.157 \| good	30.225 \| good	0.175 \| good	2.585 \| good	0.15 \| good
2026-11-13T09:00:00.000Z	27 \| good	0.691 \| good	2.17 \| good	28.555 \| good	0.166 \| good	2.38 \| good	0.153 \| good
2026-11-13T10:00:00.000Z	26 \| good	1.181 \| good	5 \| good	28.271 \| good	0.173 \| good	2.374 \| good	0.157 \| good
2026-11-13T11:00:00.000Z	25 \| good	1.724 \| good	7.048 \| good	26.507 \| good	0.198 \| good	3.142 \| good	0.162 \| good
2026-11-13T12:00:00.000Z	24 \| good	1.132 \| good	4.791 \| good	26.281 \| good	0.225 \| good	4.108 \| good	0.17 \| good
2026-11-13T13:00:00.000Z	25 \| good	1.26 \| good	5.003 \| good	26.619 \| good	0.244 \| good	4.793 \| good	0.176 \| good
2026-11-13T14:00:00.000Z	24 \| good	2.79 \| good	11.557 \| good	26.058 \| good	0.27 \| good	5.733 \| good	0.182 \| good
2026-11-13T15:00:00.000Z	24 \| good	2.501 \| good	10.064 \| good	26.432 \| good	0.289 \| good	5.922 \| good	0.183 \| good
2026-11-13T16:00:00.000Z	24 \| good	2.217 \| good	9.049 \| good	25.828 \| good	0.304 \| good	5.677 \| good	0.182 \| good
2026-11-13T17:00:00.000Z	24 \| good	2.037 \| good	8.165 \| good	25.973 \| good	0.318 \| good	4.924 \| good	0.179 \| good
2026-11-13T18:00:00.000Z	25 \| good	2.418 \| good	10.024 \| good	26.641 \| good	0.328 \| good	4.276 \| good	0.173 \| good
2026-11-13T19:00:00.000Z	25 \| good	2.358 \| good	9.91 \| good	27.415 \| good	0.334 \| good	4.107 \| good	0.17 \| good
2026-11-13T20:00:00.000Z	25 \| good	2.448 \| good	10 \| good	26.945 \| good	0.337 \| good	4.041 \| good	0.166 \| good
2026-11-13T21:00:00.000Z	23 \| good	2.071 \| good	8.164 \| good	25.15 \| good	0.353 \| good	4.814 \| good	0.167 \| good
2026-11-13T22:00:00.000Z	24 \| good	0.646 \| good	2.129 \| good	25.828 \| good	0.381 \| good	6.293 \| good	0.171 \| good
2026-11-13T23:00:00.000Z	24 \| good	0.516 \| good	1.744 \| good	25.521 \| good	0.402 \| good	6.999 \| good	0.17 \| good
2026-11-14T00:00:00.000Z	23 \| good	0.713 \| good	2.44 \| good	24.61 \| good	0.423 \| good	7.626 \| good	0.168 \| good
2026-11-14T01:00:00.000Z	21 \| good	0.975 \| good	3.943 \| good	23.487 \| good	0.433 \| good	7.62 \| good	0.163 \| good
2026-11-14T02:00:00.000Z	21 \| good	1.187 \| good	4.915 \| good	23.43 \| good	0.441 \| good	7.509 \| good	0.16 \| good
2026-11-14T03:00:00.000Z	21 \| good	0.749 \| good	2.54 \| good	22.724 \| good	0.441 \| good	7.052 \| good	0.159 \| good
2026-11-14T04:00:00.000Z	20 \| good	1.295 \| good	5.044 \| good	22.468 \| good	0.426 \| good	5.995 \| good	0.157 \| good
2026-11-14T05:00:00.000Z	21 \| good	1.15 \| good	4.891 \| good	23.389 \| good	0.408 \| good	5.061 \| good	0.156 \| good
2026-11-14T06:00:00.000Z	21 \| good	1.841 \| good	7.936 \| good	23.326 \| good	0.386 \| good	5.123 \| good	0.156 \| good
2026-11-14T07:00:00.000Z	19 \| good	1.458 \| good	5.843 \| good	21.393 \| good	0.355 \| good	5.332 \| good	0.157 \| good
2026-11-14T08:00:00.000Z	18 \| good	2.246 \| good	9.056 \| good	19.069 \| good	0.316 \| good	5.362 \| good	0.157 \| good
2026-11-14T09:00:00.000Z	21 \| good	2.381 \| good	9.877 \| good	22.523 \| good	0.276 \| good	5.338 \| good	0.157 \| good
2026-11-14T10:00:00.000Z	20 \| good	1.994 \| good	8.037 \| good	22.397 \| good	0.25 \| good	5.69 \| good	0.158 \| good
2026-11-14T11:00:00.000Z	20 \| good	1.948 \| good	7.989 \| good	21.988 \| good	0.259 \| good	7.809 \| good	0.164 \| good
2026-11-14T12:00:00.000Z	23 \| good	1.712 \| good	6.944 \| good	24.732 \| good	0.304 \| good	9.936 \| good	0.178 \| good
2026-11-14T13:00:00.000Z	25 \| good	0.972 \| good	3.939 \| good	27.005 \| good	0.333 \| good	9.025 \| good	0.19 \| good
2026-11-14T14:00:00.000Z	25 \| good	1.686 \| good	6.885 \| good	27.297 \| good	0.324 \| good	5.491 \| good	0.168 \| good
2026-11-14T15:00:00.000Z	25 \| good	1.115 \| good	4.499 \| good	27.309 \| good	0.316 \| good	3.595 \| good	0.155 \| good
2026-11-14T16:00:00.000Z	26 \| good	1.126 \| good	4.596 \| good	27.882 \| good	0.252 \| good	2.547 \| good	0.145 \| good
2026-11-14T17:00:00.000Z	25 \| good	1.099 \| good	4.557 \| good	26.925 \| good	0.193 \| good	2.133 \| good	0.14 \| good
2026-11-14T18:00:00.000Z	25 \| good	1.253 \| good	5.102 \| good	27.013 \| good	0.169 \| good	2.172 \| good	0.14 \| good
2026-11-14T19:00:00.000Z	25 \| good	0.87 \| good	3.18 \| good	27.1 \| good	0.152 \| good	2.267 \| good	0.141 \| good
2026-11-14T20:00:00.000Z	24 \| good	0.707 \| good	2.65 \| good	25.6 \| good	0.142 \| good	2.508 \| good	0.142 \| good
2026-11-14T21:00:00.000Z	19 \| good	0.283 \| good	0.977 \| good	21.158 \| good	0.164 \| good	4.3 \| good	0.149 \| good
2026-11-14T22:00:00.000Z	19 \| good	0.936 \| good	3.875 \| good	19.6 \| good	0.197 \| good	6.513 \| good	0.158 \| good
2026-11-14T23:00:00.000Z	19 \| good	1.23 \| good	5.012 \| good	19.737 \| good	0.241 \| good	9.028 \| good	0.168 \| good
2026-11-15T00:00:00.000Z	19 \| good	1.336 \| good	5.423 \| good	19.8 \| good	0.29 \| good	11.378 \| good	0.175 \| 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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Stamford, Connecticut air quality map: Stay updated on AQI near you

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?