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

Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 1.119 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 32.219 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 13.081 ppb.

Real-time air quality index in Stamford, Connecticut today

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

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)

8.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.16 μg/m³

155

255

425

605+

Ozone (O₃)

46.80 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 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
2025-07-09T18:00:00.000Z	39 \| good	5.428 \| good	29.498 \| good	41.698 \| good	0.744 \| good	8.934 \| good	0.509 \| good
2025-07-09T19:00:00.000Z	43 \| good	6.649 \| good	36.212 \| good	45.607 \| good	0.702 \| good	9.293 \| good	0.329 \| good
2025-07-09T20:00:00.000Z	52 \| moderate	9.7 \| good	37.715 \| good	46.808 \| good	0.612 \| good	6.51 \| good	0.284 \| good
2025-07-09T21:00:00.000Z	47 \| good	6.765 \| good	36.045 \| good	50.894 \| good	0.904 \| good	4.863 \| good	0.284 \| good
2025-07-09T22:00:00.000Z	46 \| good	7.139 \| good	27.145 \| good	49.518 \| good	1.751 \| good	6.338 \| good	0.288 \| good
2025-07-09T23:00:00.000Z	44 \| good	6.409 \| good	26.711 \| good	47.338 \| good	1.648 \| good	8.291 \| good	0.308 \| good
2025-07-10T00:00:00.000Z	48 \| good	4.423 \| good	27.965 \| good	52.199 \| good	1.137 \| good	11.082 \| good	0.304 \| good
2025-07-10T01:00:00.000Z	47 \| good	6.371 \| good	23.924 \| good	50.51 \| good	1.13 \| good	12.754 \| good	0.372 \| good
2025-07-10T02:00:00.000Z	47 \| good	7.458 \| good	37.364 \| good	50.587 \| good	0.951 \| good	13.478 \| good	0.348 \| good
2025-07-10T03:00:00.000Z	44 \| good	7.715 \| good	28.668 \| good	40.247 \| good	0.905 \| good	11.338 \| good	0.324 \| good
2025-07-10T04:00:00.000Z	49 \| good	8.708 \| good	30.414 \| good	40.247 \| good	1.105 \| good	8.28 \| good	0.324 \| good
2025-07-10T05:00:00.000Z	44 \| good	7.576 \| good	21.506 \| good	32.413 \| good	0.938 \| good	12.599 \| good	0.284 \| good
2025-07-10T06:00:00.000Z	44 \| good	8.098 \| good	34.421 \| good	32.219 \| good	1.119 \| good	13.081 \| good	0.239 \| good
2025-07-10T07:00:00.000Z	38 \| good	6.812 \| good	22.348 \| good	32.198 \| good	0.897 \| good	15.03 \| good	0.255 \| good
2025-07-10T08:00:00.000Z	33 \| good	5.703 \| good	22.048 \| good	29.391 \| good	0.917 \| good	13.034 \| good	0.239 \| good
2025-07-10T09:00:00.000Z	28 \| good	4.312 \| good	17.502 \| good	30.199 \| good	0.515 \| good	14.677 \| good	0.238 \| good
2025-07-10T10:00:00.000Z	27 \| good	3.646 \| good	10.23 \| good	28.994 \| good	0.564 \| good	14.87 \| good	0.215 \| good
2025-07-10T11:00:00.000Z	28 \| good	4.079 \| good	15.116 \| good	30.129 \| good	0.339 \| good	10.661 \| good	0.269 \| good
2025-07-10T12:00:00.000Z	33 \| good	5.89 \| good	20.048 \| good	31.776 \| good	0.268 \| good	14.807 \| good	0.308 \| good
2025-07-10T13:00:00.000Z	33 \| good	5.935 \| good	21.719 \| good	34.76 \| good	0.519 \| good	12.029 \| good	0.367 \| good
2025-07-10T14:00:00.000Z	38 \| good	7.162 \| good	23.807 \| good	32.933 \| good	0.504 \| good	14.595 \| good	0.381 \| good
2025-07-10T15:00:00.000Z	33 \| good	5.964 \| good	19.062 \| good	35.817 \| good	0.684 \| good	17.105 \| good	0.402 \| good
2025-07-10T16:00:00.000Z	38 \| good	6.842 \| good	31.099 \| good	37.961 \| good	0.77 \| good	19.938 \| good	0.417 \| good
2025-07-10T17:00:00.000Z	39 \| good	5.472 \| good	21.616 \| good	42.13 \| good	0.624 \| good	20.224 \| good	0.438 \| good
2025-07-10T18:00:00.000Z	49 \| good	9 \| good	38.92 \| good	42.676 \| good	0.626 \| good	20.684 \| good	0.454 \| good
2025-07-10T19:00:00.000Z	48 \| good	7.265 \| good	32.796 \| good	51.513 \| good	0.464 \| good	22.601 \| good	0.481 \| good
2025-07-10T20:00:00.000Z	48 \| good	5.629 \| good	23.351 \| good	52.348 \| good	0.205 \| good	18.171 \| good	0.405 \| good
2025-07-10T21:00:00.000Z	46 \| good	7.357 \| good	20.035 \| good	50.457 \| good	0.136 \| good	13.937 \| good	0.399 \| good
2025-07-10T22:00:00.000Z	49 \| good	7.264 \| good	35.159 \| good	53.237 \| good	0.161 \| good	9.846 \| good	0.443 \| good
2025-07-10T23:00:00.000Z	50 \| good	4.584 \| good	13.923 \| good	53.867 \| good	0.243 \| good	15.674 \| good	0.376 \| good
2025-07-11T00:00:00.000Z	51 \| moderate	5.069 \| good	21.657 \| good	55.229 \| fine	0.388 \| good	14.881 \| good	0.398 \| good
2025-07-11T01:00:00.000Z	48 \| good	4.831 \| good	9.23 \| good	52.353 \| good	0.419 \| good	14.086 \| good	0.369 \| good
2025-07-11T02:00:00.000Z	47 \| good	5.376 \| good	24.832 \| good	50.724 \| good	0.62 \| good	13.172 \| good	0.345 \| good
2025-07-11T03:00:00.000Z	43 \| good	5.995 \| good	23.721 \| good	46.45 \| good	0.936 \| good	11.774 \| good	0.362 \| good
2025-07-11T04:00:00.000Z	43 \| good	5.596 \| good	23.71 \| good	46.45 \| good	0.977 \| good	15.29 \| good	0.376 \| good
2025-07-11T05:00:00.000Z	38 \| good	5.991 \| good	15.399 \| good	40.742 \| good	1.008 \| good	13.986 \| good	0.352 \| good
2025-07-11T06:00:00.000Z	36 \| good	6.092 \| good	17.098 \| good	39.05 \| good	1.068 \| good	9.517 \| good	0.321 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.963 \| good	31.339 \| good	39.05 \| good	1.043 \| good	7.855 \| good	0.255 \| good
2025-07-11T08:00:00.000Z	34 \| good	5.917 \| good	21.273 \| good	36.743 \| good	1.038 \| good	7.441 \| good	0.255 \| good
2025-07-11T09:00:00.000Z	33 \| good	6.349 \| good	25.174 \| good	32.003 \| good	1.045 \| good	13.865 \| good	0.238 \| good
2025-07-11T10:00:00.000Z	31 \| good	5.135 \| good	23.32 \| good	34.467 \| good	0.923 \| good	14.85 \| good	0.262 \| good
2025-07-11T11:00:00.000Z	38 \| good	6.734 \| good	24.538 \| good	35.694 \| good	0.86 \| good	7.316 \| good	0.31 \| good
2025-07-11T12:00:00.000Z	44 \| good	7.515 \| good	28.539 \| good	37.618 \| good	0.59 \| good	8.375 \| good	0.314 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.823 \| good	15.645 \| good	32.459 \| good	0.386 \| good	5.401 \| good	0.348 \| good
2025-07-11T14:00:00.000Z	33 \| good	5.879 \| good	15.546 \| good	33.816 \| good	0.396 \| good	8.059 \| good	0.391 \| good
2025-07-11T15:00:00.000Z	33 \| good	6.169 \| good	26.44 \| good	35.276 \| good	0.392 \| good	7.255 \| good	0.369 \| good
2025-07-11T16:00:00.000Z	37 \| good	5.763 \| good	28.55 \| good	39.601 \| good	0.382 \| good	7.948 \| good	0.4 \| good
2025-07-11T17:00:00.000Z	49 \| good	8.595 \| good	25.155 \| good	46.805 \| good	0.612 \| good	5.457 \| good	0.362 \| good
2025-07-11T17:00:00.000Z	49 \| good	8.595 \| good	25.155 \| good	46.805 \| good	0.612 \| good	5.457 \| good	0.362 \| good
2025-07-10T07:00:00.000Z	49 \| good	9.238 \| good	40.894 \| good	21.898 \| good	1.296 \| good	12.093 \| good	0.285 \| good
2025-07-10T08:00:00.000Z	49 \| good	8.87 \| good	39.032 \| good	17.007 \| good	1.311 \| good	11.659 \| good	0.279 \| good
2025-07-10T09:00:00.000Z	38 \| good	6.994 \| good	30.792 \| good	14.753 \| good	1.327 \| good	11.225 \| good	0.274 \| good
2025-07-10T10:00:00.000Z	38 \| good	6.849 \| good	30.023 \| good	13.12 \| good	1.493 \| good	10.61 \| good	0.263 \| good
2025-07-10T11:00:00.000Z	49 \| good	9.167 \| good	41.01 \| good	18.919 \| good	1.659 \| good	9.996 \| good	0.253 \| good
2025-07-10T12:00:00.000Z	49 \| good	9.308 \| good	41.456 \| good	28.579 \| good	1.825 \| good	9.381 \| good	0.243 \| good
2025-07-10T13:00:00.000Z	52 \| moderate	10.376 \| good	45.654 \| good	32.247 \| good	1.783 \| good	9.861 \| good	0.241 \| good
2025-07-10T14:00:00.000Z	56 \| moderate	12.399 \| fine	55.926 \| fine	39.417 \| good	1.741 \| good	10.341 \| good	0.239 \| good
2025-07-10T15:00:00.000Z	58 \| moderate	13.344 \| fine	59.806 \| fine	51.837 \| good	1.698 \| good	10.821 \| good	0.236 \| good
2025-07-10T16:00:00.000Z	84 \| moderate	13.622 \| fine	61.467 \| fine	65.483 \| fine	1.63 \| good	9.832 \| good	0.233 \| good
2025-07-10T17:00:00.000Z	119 \| sensitive	14.262 \| fine	63.565 \| fine	76.078 \| moderate	1.561 \| good	8.843 \| good	0.23 \| good
2025-07-10T18:00:00.000Z	133 \| sensitive	14.502 \| fine	64.165 \| fine	80.135 \| moderate	1.493 \| good	7.854 \| good	0.227 \| good
2025-07-10T19:00:00.000Z	119 \| sensitive	14.546 \| fine	64.371 \| fine	76.251 \| moderate	1.505 \| good	8.053 \| good	0.228 \| good
2025-07-10T20:00:00.000Z	112 \| sensitive	15.334 \| fine	68.082 \| fine	74.228 \| moderate	1.517 \| good	8.252 \| good	0.228 \| good
2025-07-10T21:00:00.000Z	119 \| sensitive	14.202 \| fine	63.853 \| fine	75.608 \| moderate	1.529 \| good	8.45 \| good	0.229 \| good
2025-07-10T22:00:00.000Z	87 \| moderate	12.858 \| fine	58.019 \| fine	66.029 \| fine	1.593 \| good	9.953 \| good	0.238 \| good
2025-07-10T23:00:00.000Z	58 \| moderate	9.868 \| good	43.845 \| good	56.81 \| fine	1.658 \| good	11.457 \| good	0.247 \| good
2025-07-11T00:00:00.000Z	44 \| good	7.877 \| good	34.272 \| good	45.364 \| good	1.722 \| good	12.96 \| good	0.256 \| good
2025-07-11T01:00:00.000Z	44 \| good	7.832 \| good	34.094 \| good	40.015 \| good	1.871 \| good	14.503 \| good	0.263 \| good
2025-07-11T02:00:00.000Z	38 \| good	7.056 \| good	30.901 \| good	35.637 \| good	2.019 \| good	16.047 \| good	0.27 \| good
2025-07-11T03:00:00.000Z	32 \| good	5.488 \| good	23.364 \| good	34.853 \| good	2.167 \| good	17.59 \| good	0.277 \| good
2025-07-11T04:00:00.000Z	31 \| good	3.92 \| good	16.908 \| good	32.722 \| good	2.31 \| good	18.249 \| good	0.284 \| good
2025-07-11T05:00:00.000Z	28 \| good	3.7 \| good	15.983 \| good	30.232 \| good	2.452 \| good	18.908 \| good	0.292 \| good
2025-07-11T06:00:00.000Z	26 \| good	3.82 \| good	16.866 \| good	27.847 \| good	2.595 \| good	19.568 \| good	0.299 \| good
2025-07-11T07:00:00.000Z	25 \| good	3.207 \| good	13.917 \| good	27.077 \| good	2.447 \| good	18.774 \| good	0.303 \| good
2025-07-11T08:00:00.000Z	27 \| good	3.135 \| good	13.9 \| good	28.931 \| good	2.299 \| good	17.981 \| good	0.306 \| good
2025-07-11T09:00:00.000Z	31 \| good	4.351 \| good	18.996 \| good	34.09 \| good	2.151 \| good	17.188 \| good	0.31 \| good
2025-07-11T10:00:00.000Z	30 \| good	4.42 \| good	19.157 \| good	32.115 \| good	2.173 \| good	14.23 \| good	0.295 \| good
2025-07-11T11:00:00.000Z	31 \| good	5.07 \| good	21.879 \| good	33.316 \| good	2.195 \| good	11.272 \| good	0.28 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.097 \| good	26.741 \| good	29.83 \| good	2.217 \| good	8.314 \| good	0.265 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.543 \| good	29.548 \| good	32.2 \| good	1.818 \| good	7.124 \| good	0.257 \| good
2025-07-11T14:00:00.000Z	33 \| good	6.117 \| good	26.701 \| good	36.176 \| good	1.418 \| good	5.934 \| good	0.249 \| good
2025-07-11T15:00:00.000Z	42 \| good	5.902 \| good	26.473 \| good	45.164 \| good	1.019 \| good	4.744 \| good	0.24 \| good
2025-07-11T16:00:00.000Z	46 \| good	5.429 \| good	23.65 \| good	50.413 \| good	0.963 \| good	4.015 \| good	0.238 \| good
2025-07-11T17:00:00.000Z	51 \| moderate	5.583 \| good	23.911 \| good	55.411 \| fine	0.908 \| good	3.286 \| good	0.235 \| good
2025-07-11T18:00:00.000Z	61 \| moderate	5.884 \| good	26.268 \| good	58.356 \| fine	0.852 \| good	2.557 \| good	0.232 \| good
2025-07-11T19:00:00.000Z	50 \| good	5.462 \| good	23.668 \| good	54.239 \| good	0.913 \| good	2.74 \| good	0.234 \| good
2025-07-11T20:00:00.000Z	50 \| good	5.078 \| good	21.782 \| good	53.547 \| good	0.975 \| good	2.922 \| good	0.235 \| good
2025-07-11T21:00:00.000Z	49 \| good	5.745 \| good	24.678 \| good	52.906 \| good	1.036 \| good	3.104 \| good	0.236 \| good
2025-07-11T22:00:00.000Z	45 \| good	6.222 \| good	27.473 \| good	48.774 \| good	1.145 \| good	5.407 \| good	0.252 \| good
2025-07-11T23:00:00.000Z	44 \| good	7.437 \| good	32.719 \| good	47.029 \| good	1.254 \| good	7.71 \| good	0.269 \| good
2025-07-12T00:00:00.000Z	32 \| good	4.98 \| good	21.765 \| good	35.042 \| good	1.363 \| good	10.013 \| good	0.286 \| good
2025-07-12T01:00:00.000Z	27 \| good	4.565 \| good	19.955 \| good	27.892 \| good	1.451 \| good	11.05 \| good	0.292 \| good
2025-07-12T02:00:00.000Z	25 \| good	4.199 \| good	18.788 \| good	27.466 \| good	1.538 \| good	12.088 \| good	0.297 \| good
2025-07-12T03:00:00.000Z	27 \| good	4.652 \| good	20.078 \| good	27.41 \| good	1.626 \| good	13.126 \| good	0.303 \| good
2025-07-12T04:00:00.000Z	27 \| good	4.614 \| good	19.918 \| good	24.15 \| good	1.688 \| good	13.327 \| good	0.301 \| good
2025-07-12T05:00:00.000Z	22 \| good	3.886 \| good	16.843 \| good	22.08 \| good	1.751 \| good	13.529 \| good	0.298 \| good
2025-07-12T06:00:00.000Z	69 \| moderate	18.759 \| fine	19.257 \| good	45.513 \| good	1.849 \| good	13.89 \| good	0.297 \| good

Stamford

Get reliable air quality data to drive your business

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

0.29ppm

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 2025-07-09.

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 07:00:00 on 2025-07-09.

What is the AQI in Stamford, Connecticut right now?

As of now, the AQI in Stamford, Connecticut is 44, indicating Good 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 8.098 μg/m³.

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

The PM₁₀ concentration in Stamford, Connecticut is 34.421 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 0.239 ppm.

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

Currently, Stamford, Connecticut has a sulfur dioxide (SO₂) concentration of 1.119 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 32.219 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 13.081 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T18:00:00.000Z	39 \| good	5.428 \| good	29.498 \| good	41.698 \| good	0.744 \| good	8.934 \| good	0.509 \| good
2025-07-09T19:00:00.000Z	43 \| good	6.649 \| good	36.212 \| good	45.607 \| good	0.702 \| good	9.293 \| good	0.329 \| good
2025-07-09T20:00:00.000Z	52 \| moderate	9.7 \| good	37.715 \| good	46.808 \| good	0.612 \| good	6.51 \| good	0.284 \| good
2025-07-09T21:00:00.000Z	47 \| good	6.765 \| good	36.045 \| good	50.894 \| good	0.904 \| good	4.863 \| good	0.284 \| good
2025-07-09T22:00:00.000Z	46 \| good	7.139 \| good	27.145 \| good	49.518 \| good	1.751 \| good	6.338 \| good	0.288 \| good
2025-07-09T23:00:00.000Z	44 \| good	6.409 \| good	26.711 \| good	47.338 \| good	1.648 \| good	8.291 \| good	0.308 \| good
2025-07-10T00:00:00.000Z	48 \| good	4.423 \| good	27.965 \| good	52.199 \| good	1.137 \| good	11.082 \| good	0.304 \| good
2025-07-10T01:00:00.000Z	47 \| good	6.371 \| good	23.924 \| good	50.51 \| good	1.13 \| good	12.754 \| good	0.372 \| good
2025-07-10T02:00:00.000Z	47 \| good	7.458 \| good	37.364 \| good	50.587 \| good	0.951 \| good	13.478 \| good	0.348 \| good
2025-07-10T03:00:00.000Z	44 \| good	7.715 \| good	28.668 \| good	40.247 \| good	0.905 \| good	11.338 \| good	0.324 \| good
2025-07-10T04:00:00.000Z	49 \| good	8.708 \| good	30.414 \| good	40.247 \| good	1.105 \| good	8.28 \| good	0.324 \| good
2025-07-10T05:00:00.000Z	44 \| good	7.576 \| good	21.506 \| good	32.413 \| good	0.938 \| good	12.599 \| good	0.284 \| good
2025-07-10T06:00:00.000Z	44 \| good	8.098 \| good	34.421 \| good	32.219 \| good	1.119 \| good	13.081 \| good	0.239 \| good
2025-07-10T07:00:00.000Z	38 \| good	6.812 \| good	22.348 \| good	32.198 \| good	0.897 \| good	15.03 \| good	0.255 \| good
2025-07-10T08:00:00.000Z	33 \| good	5.703 \| good	22.048 \| good	29.391 \| good	0.917 \| good	13.034 \| good	0.239 \| good
2025-07-10T09:00:00.000Z	28 \| good	4.312 \| good	17.502 \| good	30.199 \| good	0.515 \| good	14.677 \| good	0.238 \| good
2025-07-10T10:00:00.000Z	27 \| good	3.646 \| good	10.23 \| good	28.994 \| good	0.564 \| good	14.87 \| good	0.215 \| good
2025-07-10T11:00:00.000Z	28 \| good	4.079 \| good	15.116 \| good	30.129 \| good	0.339 \| good	10.661 \| good	0.269 \| good
2025-07-10T12:00:00.000Z	33 \| good	5.89 \| good	20.048 \| good	31.776 \| good	0.268 \| good	14.807 \| good	0.308 \| good
2025-07-10T13:00:00.000Z	33 \| good	5.935 \| good	21.719 \| good	34.76 \| good	0.519 \| good	12.029 \| good	0.367 \| good
2025-07-10T14:00:00.000Z	38 \| good	7.162 \| good	23.807 \| good	32.933 \| good	0.504 \| good	14.595 \| good	0.381 \| good
2025-07-10T15:00:00.000Z	33 \| good	5.964 \| good	19.062 \| good	35.817 \| good	0.684 \| good	17.105 \| good	0.402 \| good
2025-07-10T16:00:00.000Z	38 \| good	6.842 \| good	31.099 \| good	37.961 \| good	0.77 \| good	19.938 \| good	0.417 \| good
2025-07-10T17:00:00.000Z	39 \| good	5.472 \| good	21.616 \| good	42.13 \| good	0.624 \| good	20.224 \| good	0.438 \| good
2025-07-10T18:00:00.000Z	49 \| good	9 \| good	38.92 \| good	42.676 \| good	0.626 \| good	20.684 \| good	0.454 \| good
2025-07-10T19:00:00.000Z	48 \| good	7.265 \| good	32.796 \| good	51.513 \| good	0.464 \| good	22.601 \| good	0.481 \| good
2025-07-10T20:00:00.000Z	48 \| good	5.629 \| good	23.351 \| good	52.348 \| good	0.205 \| good	18.171 \| good	0.405 \| good
2025-07-10T21:00:00.000Z	46 \| good	7.357 \| good	20.035 \| good	50.457 \| good	0.136 \| good	13.937 \| good	0.399 \| good
2025-07-10T22:00:00.000Z	49 \| good	7.264 \| good	35.159 \| good	53.237 \| good	0.161 \| good	9.846 \| good	0.443 \| good
2025-07-10T23:00:00.000Z	50 \| good	4.584 \| good	13.923 \| good	53.867 \| good	0.243 \| good	15.674 \| good	0.376 \| good
2025-07-11T00:00:00.000Z	51 \| moderate	5.069 \| good	21.657 \| good	55.229 \| fine	0.388 \| good	14.881 \| good	0.398 \| good
2025-07-11T01:00:00.000Z	48 \| good	4.831 \| good	9.23 \| good	52.353 \| good	0.419 \| good	14.086 \| good	0.369 \| good
2025-07-11T02:00:00.000Z	47 \| good	5.376 \| good	24.832 \| good	50.724 \| good	0.62 \| good	13.172 \| good	0.345 \| good
2025-07-11T03:00:00.000Z	43 \| good	5.995 \| good	23.721 \| good	46.45 \| good	0.936 \| good	11.774 \| good	0.362 \| good
2025-07-11T04:00:00.000Z	43 \| good	5.596 \| good	23.71 \| good	46.45 \| good	0.977 \| good	15.29 \| good	0.376 \| good
2025-07-11T05:00:00.000Z	38 \| good	5.991 \| good	15.399 \| good	40.742 \| good	1.008 \| good	13.986 \| good	0.352 \| good
2025-07-11T06:00:00.000Z	36 \| good	6.092 \| good	17.098 \| good	39.05 \| good	1.068 \| good	9.517 \| good	0.321 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.963 \| good	31.339 \| good	39.05 \| good	1.043 \| good	7.855 \| good	0.255 \| good
2025-07-11T08:00:00.000Z	34 \| good	5.917 \| good	21.273 \| good	36.743 \| good	1.038 \| good	7.441 \| good	0.255 \| good
2025-07-11T09:00:00.000Z	33 \| good	6.349 \| good	25.174 \| good	32.003 \| good	1.045 \| good	13.865 \| good	0.238 \| good
2025-07-11T10:00:00.000Z	31 \| good	5.135 \| good	23.32 \| good	34.467 \| good	0.923 \| good	14.85 \| good	0.262 \| good
2025-07-11T11:00:00.000Z	38 \| good	6.734 \| good	24.538 \| good	35.694 \| good	0.86 \| good	7.316 \| good	0.31 \| good
2025-07-11T12:00:00.000Z	44 \| good	7.515 \| good	28.539 \| good	37.618 \| good	0.59 \| good	8.375 \| good	0.314 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.823 \| good	15.645 \| good	32.459 \| good	0.386 \| good	5.401 \| good	0.348 \| good
2025-07-11T14:00:00.000Z	33 \| good	5.879 \| good	15.546 \| good	33.816 \| good	0.396 \| good	8.059 \| good	0.391 \| good
2025-07-11T15:00:00.000Z	33 \| good	6.169 \| good	26.44 \| good	35.276 \| good	0.392 \| good	7.255 \| good	0.369 \| good
2025-07-11T16:00:00.000Z	37 \| good	5.763 \| good	28.55 \| good	39.601 \| good	0.382 \| good	7.948 \| good	0.4 \| good
2025-07-11T17:00:00.000Z	49 \| good	8.595 \| good	25.155 \| good	46.805 \| good	0.612 \| good	5.457 \| good	0.362 \| good
2025-07-11T17:00:00.000Z	49 \| good	8.595 \| good	25.155 \| good	46.805 \| good	0.612 \| good	5.457 \| good	0.362 \| good
2025-07-10T07:00:00.000Z	49 \| good	9.238 \| good	40.894 \| good	21.898 \| good	1.296 \| good	12.093 \| good	0.285 \| good
2025-07-10T08:00:00.000Z	49 \| good	8.87 \| good	39.032 \| good	17.007 \| good	1.311 \| good	11.659 \| good	0.279 \| good
2025-07-10T09:00:00.000Z	38 \| good	6.994 \| good	30.792 \| good	14.753 \| good	1.327 \| good	11.225 \| good	0.274 \| good
2025-07-10T10:00:00.000Z	38 \| good	6.849 \| good	30.023 \| good	13.12 \| good	1.493 \| good	10.61 \| good	0.263 \| good
2025-07-10T11:00:00.000Z	49 \| good	9.167 \| good	41.01 \| good	18.919 \| good	1.659 \| good	9.996 \| good	0.253 \| good
2025-07-10T12:00:00.000Z	49 \| good	9.308 \| good	41.456 \| good	28.579 \| good	1.825 \| good	9.381 \| good	0.243 \| good
2025-07-10T13:00:00.000Z	52 \| moderate	10.376 \| good	45.654 \| good	32.247 \| good	1.783 \| good	9.861 \| good	0.241 \| good
2025-07-10T14:00:00.000Z	56 \| moderate	12.399 \| fine	55.926 \| fine	39.417 \| good	1.741 \| good	10.341 \| good	0.239 \| good
2025-07-10T15:00:00.000Z	58 \| moderate	13.344 \| fine	59.806 \| fine	51.837 \| good	1.698 \| good	10.821 \| good	0.236 \| good
2025-07-10T16:00:00.000Z	84 \| moderate	13.622 \| fine	61.467 \| fine	65.483 \| fine	1.63 \| good	9.832 \| good	0.233 \| good
2025-07-10T17:00:00.000Z	119 \| sensitive	14.262 \| fine	63.565 \| fine	76.078 \| moderate	1.561 \| good	8.843 \| good	0.23 \| good
2025-07-10T18:00:00.000Z	133 \| sensitive	14.502 \| fine	64.165 \| fine	80.135 \| moderate	1.493 \| good	7.854 \| good	0.227 \| good
2025-07-10T19:00:00.000Z	119 \| sensitive	14.546 \| fine	64.371 \| fine	76.251 \| moderate	1.505 \| good	8.053 \| good	0.228 \| good
2025-07-10T20:00:00.000Z	112 \| sensitive	15.334 \| fine	68.082 \| fine	74.228 \| moderate	1.517 \| good	8.252 \| good	0.228 \| good
2025-07-10T21:00:00.000Z	119 \| sensitive	14.202 \| fine	63.853 \| fine	75.608 \| moderate	1.529 \| good	8.45 \| good	0.229 \| good
2025-07-10T22:00:00.000Z	87 \| moderate	12.858 \| fine	58.019 \| fine	66.029 \| fine	1.593 \| good	9.953 \| good	0.238 \| good
2025-07-10T23:00:00.000Z	58 \| moderate	9.868 \| good	43.845 \| good	56.81 \| fine	1.658 \| good	11.457 \| good	0.247 \| good
2025-07-11T00:00:00.000Z	44 \| good	7.877 \| good	34.272 \| good	45.364 \| good	1.722 \| good	12.96 \| good	0.256 \| good
2025-07-11T01:00:00.000Z	44 \| good	7.832 \| good	34.094 \| good	40.015 \| good	1.871 \| good	14.503 \| good	0.263 \| good
2025-07-11T02:00:00.000Z	38 \| good	7.056 \| good	30.901 \| good	35.637 \| good	2.019 \| good	16.047 \| good	0.27 \| good
2025-07-11T03:00:00.000Z	32 \| good	5.488 \| good	23.364 \| good	34.853 \| good	2.167 \| good	17.59 \| good	0.277 \| good
2025-07-11T04:00:00.000Z	31 \| good	3.92 \| good	16.908 \| good	32.722 \| good	2.31 \| good	18.249 \| good	0.284 \| good
2025-07-11T05:00:00.000Z	28 \| good	3.7 \| good	15.983 \| good	30.232 \| good	2.452 \| good	18.908 \| good	0.292 \| good
2025-07-11T06:00:00.000Z	26 \| good	3.82 \| good	16.866 \| good	27.847 \| good	2.595 \| good	19.568 \| good	0.299 \| good
2025-07-11T07:00:00.000Z	25 \| good	3.207 \| good	13.917 \| good	27.077 \| good	2.447 \| good	18.774 \| good	0.303 \| good
2025-07-11T08:00:00.000Z	27 \| good	3.135 \| good	13.9 \| good	28.931 \| good	2.299 \| good	17.981 \| good	0.306 \| good
2025-07-11T09:00:00.000Z	31 \| good	4.351 \| good	18.996 \| good	34.09 \| good	2.151 \| good	17.188 \| good	0.31 \| good
2025-07-11T10:00:00.000Z	30 \| good	4.42 \| good	19.157 \| good	32.115 \| good	2.173 \| good	14.23 \| good	0.295 \| good
2025-07-11T11:00:00.000Z	31 \| good	5.07 \| good	21.879 \| good	33.316 \| good	2.195 \| good	11.272 \| good	0.28 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.097 \| good	26.741 \| good	29.83 \| good	2.217 \| good	8.314 \| good	0.265 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.543 \| good	29.548 \| good	32.2 \| good	1.818 \| good	7.124 \| good	0.257 \| good
2025-07-11T14:00:00.000Z	33 \| good	6.117 \| good	26.701 \| good	36.176 \| good	1.418 \| good	5.934 \| good	0.249 \| good
2025-07-11T15:00:00.000Z	42 \| good	5.902 \| good	26.473 \| good	45.164 \| good	1.019 \| good	4.744 \| good	0.24 \| good
2025-07-11T16:00:00.000Z	46 \| good	5.429 \| good	23.65 \| good	50.413 \| good	0.963 \| good	4.015 \| good	0.238 \| good
2025-07-11T17:00:00.000Z	51 \| moderate	5.583 \| good	23.911 \| good	55.411 \| fine	0.908 \| good	3.286 \| good	0.235 \| good
2025-07-11T18:00:00.000Z	61 \| moderate	5.884 \| good	26.268 \| good	58.356 \| fine	0.852 \| good	2.557 \| good	0.232 \| good
2025-07-11T19:00:00.000Z	50 \| good	5.462 \| good	23.668 \| good	54.239 \| good	0.913 \| good	2.74 \| good	0.234 \| good
2025-07-11T20:00:00.000Z	50 \| good	5.078 \| good	21.782 \| good	53.547 \| good	0.975 \| good	2.922 \| good	0.235 \| good
2025-07-11T21:00:00.000Z	49 \| good	5.745 \| good	24.678 \| good	52.906 \| good	1.036 \| good	3.104 \| good	0.236 \| good
2025-07-11T22:00:00.000Z	45 \| good	6.222 \| good	27.473 \| good	48.774 \| good	1.145 \| good	5.407 \| good	0.252 \| good
2025-07-11T23:00:00.000Z	44 \| good	7.437 \| good	32.719 \| good	47.029 \| good	1.254 \| good	7.71 \| good	0.269 \| good
2025-07-12T00:00:00.000Z	32 \| good	4.98 \| good	21.765 \| good	35.042 \| good	1.363 \| good	10.013 \| good	0.286 \| good
2025-07-12T01:00:00.000Z	27 \| good	4.565 \| good	19.955 \| good	27.892 \| good	1.451 \| good	11.05 \| good	0.292 \| good
2025-07-12T02:00:00.000Z	25 \| good	4.199 \| good	18.788 \| good	27.466 \| good	1.538 \| good	12.088 \| good	0.297 \| good
2025-07-12T03:00:00.000Z	27 \| good	4.652 \| good	20.078 \| good	27.41 \| good	1.626 \| good	13.126 \| good	0.303 \| good
2025-07-12T04:00:00.000Z	27 \| good	4.614 \| good	19.918 \| good	24.15 \| good	1.688 \| good	13.327 \| good	0.301 \| good
2025-07-12T05:00:00.000Z	22 \| good	3.886 \| good	16.843 \| good	22.08 \| good	1.751 \| good	13.529 \| good	0.298 \| good
2025-07-12T06:00:00.000Z	69 \| moderate	18.759 \| fine	19.257 \| good	45.513 \| good	1.849 \| good	13.89 \| good	0.297 \| good

Real-time 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)

Track live Stamford, Connecticut air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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?

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?

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

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

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?