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

Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 0.74 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 28.303 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 27.63 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 6.015 μg/m3.

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

The PM10 concentration in Stamford, Connecticut is 14.367 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)

6.01 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.37 μg/m³

155

255

425

605+

Ozone (O₃)

28.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.74 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

27.63 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2026-05-12T13:00:00.000Z	30 \| good	1.16 \| good	8.202 \| good	31.515 \| good	0.462 \| good	6.764 \| good	0.206 \| good
2026-05-12T14:00:00.000Z	30 \| good	1.732 \| good	7.124 \| good	32.275 \| good	0.507 \| good	3.256 \| good	0.183 \| good
2026-05-12T15:00:00.000Z	30 \| good	1.478 \| good	6.107 \| good	31.986 \| good	0.492 \| good	3.561 \| good	0.158 \| good
2026-05-12T16:00:00.000Z	31 \| good	1.506 \| good	4.284 \| good	33.419 \| good	0.466 \| good	2.719 \| good	0.183 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.067 \| good	4.457 \| good	34.857 \| good	0.326 \| good	3.575 \| good	0.203 \| good
2026-05-12T18:00:00.000Z	34 \| good	1.938 \| good	4.385 \| good	36.752 \| good	0.301 \| good	3.869 \| good	0.228 \| good
2026-05-12T19:00:00.000Z	36 \| good	2.587 \| good	6.082 \| good	38.558 \| good	0.268 \| good	3.648 \| good	0.228 \| good
2026-05-12T20:00:00.000Z	37 \| good	2.979 \| good	9.811 \| good	39.695 \| good	0.285 \| good	4.72 \| good	0.238 \| good
2026-05-12T21:00:00.000Z	38 \| good	2.912 \| good	13.86 \| good	40.714 \| good	0.341 \| good	5.191 \| good	0.238 \| good
2026-05-12T22:00:00.000Z	37 \| good	2.919 \| good	10.008 \| good	39.721 \| good	0.262 \| good	3.49 \| good	0.234 \| good
2026-05-12T23:00:00.000Z	40 \| good	3.803 \| good	19.906 \| good	42.653 \| good	0.296 \| good	6.894 \| good	0.219 \| good
2026-05-13T00:00:00.000Z	40 \| good	2.68 \| good	11.34 \| good	43.416 \| good	0.263 \| good	13.221 \| good	0.219 \| good
2026-05-13T01:00:00.000Z	39 \| good	1.947 \| good	9.973 \| good	41.755 \| good	0.388 \| good	6.923 \| good	0.206 \| good
2026-05-13T02:00:00.000Z	35 \| good	2.642 \| good	10.424 \| good	38.5 \| good	0.537 \| good	9.798 \| good	0.241 \| good
2026-05-13T03:00:00.000Z	44 \| good	7.887 \| good	34.63 \| good	30.528 \| good	0.488 \| good	22.757 \| good	0.24 \| good
2026-05-13T04:00:00.000Z	39 \| good	3.846 \| good	17.499 \| good	41.705 \| good	0.271 \| good	8.658 \| good	0.211 \| good
2026-05-13T05:00:00.000Z	38 \| good	3.206 \| good	10.297 \| good	40.686 \| good	0.202 \| good	11.186 \| good	0.211 \| good
2026-05-13T06:00:00.000Z	35 \| good	3.541 \| good	16.869 \| good	38.462 \| good	0.202 \| good	9.427 \| good	0.198 \| good
2026-05-13T07:00:00.000Z	38 \| good	2.568 \| good	8.681 \| good	41.423 \| good	0.261 \| good	6.119 \| good	0.198 \| good
2026-05-13T08:00:00.000Z	37 \| good	2.817 \| good	10.827 \| good	39.954 \| good	0.446 \| good	4.253 \| good	0.198 \| good
2026-05-13T09:00:00.000Z	36 \| good	2.95 \| good	14.744 \| good	38.678 \| good	0.513 \| good	5.379 \| good	0.211 \| good
2026-05-13T10:00:00.000Z	37 \| good	3.21 \| good	10.187 \| good	40.21 \| good	0.414 \| good	11.09 \| good	0.19 \| good
2026-05-13T11:00:00.000Z	38 \| good	4.146 \| good	15.403 \| good	41.206 \| good	0.55 \| good	16.241 \| good	0.194 \| good
2026-05-13T12:00:00.000Z	35 \| good	4.766 \| good	23.355 \| good	38.399 \| good	0.449 \| good	21.94 \| good	0.21 \| good
2026-05-13T13:00:00.000Z	41 \| good	5.182 \| good	17.287 \| good	44.283 \| good	0.459 \| good	19.607 \| good	0.225 \| good
2026-05-13T14:00:00.000Z	34 \| good	6.433 \| good	24.29 \| good	37.012 \| good	0.442 \| good	13.251 \| good	0.239 \| good
2026-05-13T15:00:00.000Z	38 \| good	7.085 \| good	27.989 \| good	34.344 \| good	0.456 \| good	11.276 \| good	0.255 \| good
2026-05-13T16:00:00.000Z	49 \| good	9.478 \| good	42.332 \| good	48.873 \| good	0.563 \| good	4.086 \| good	0.152 \| good
2026-05-13T17:00:00.000Z	41 \| good	4.705 \| good	29.544 \| good	44.4 \| good	0.391 \| good	8.882 \| good	0.174 \| good
2026-05-13T18:00:00.000Z	49 \| good	8.692 \| good	36.915 \| good	48.26 \| good	0.347 \| good	8.872 \| good	0.199 \| good
2026-05-13T19:00:00.000Z	46 \| good	6.797 \| good	26.033 \| good	50.29 \| good	0.408 \| good	9.428 \| good	0.199 \| good
2026-05-13T20:00:00.000Z	46 \| good	6.46 \| good	33.101 \| good	50.467 \| good	0.371 \| good	10.407 \| good	0.215 \| good
2026-05-13T21:00:00.000Z	47 \| good	7.098 \| good	30.257 \| good	50.942 \| good	0.372 \| good	8.892 \| good	0.19 \| good
2026-05-13T22:00:00.000Z	46 \| good	5.487 \| good	24.448 \| good	50.265 \| good	0.4 \| good	7.131 \| good	0.174 \| good
2026-05-13T23:00:00.000Z	47 \| good	5.515 \| good	25.073 \| good	51.367 \| good	0.389 \| good	7.989 \| good	0.194 \| good
2026-05-14T00:00:00.000Z	46 \| good	3.776 \| good	23.567 \| good	49.537 \| good	0.381 \| good	6.645 \| good	0.214 \| good
2026-05-14T01:00:00.000Z	49 \| good	4.922 \| good	22.837 \| good	52.89 \| good	0.388 \| good	5.442 \| good	0.234 \| good
2026-05-14T02:00:00.000Z	48 \| good	4.897 \| good	18.298 \| good	51.627 \| good	0.624 \| good	7.034 \| good	0.254 \| good
2026-05-14T03:00:00.000Z	45 \| good	4.883 \| good	17.447 \| good	49.035 \| good	0.725 \| good	6.143 \| good	0.259 \| good
2026-05-14T04:00:00.000Z	48 \| good	5.687 \| good	20.284 \| good	51.789 \| good	0.725 \| good	6.297 \| good	0.239 \| good
2026-05-14T05:00:00.000Z	44 \| good	5.622 \| good	15.111 \| good	46.822 \| good	0.699 \| good	4.627 \| good	0.194 \| good
2026-05-14T06:00:00.000Z	42 \| good	5.603 \| good	16.115 \| good	45.498 \| good	0.652 \| good	5.946 \| good	0.219 \| good
2026-05-14T07:00:00.000Z	41 \| good	4.382 \| good	16.691 \| good	43.597 \| good	0.733 \| good	6.034 \| good	0.206 \| good
2026-05-14T08:00:00.000Z	34 \| good	5.713 \| good	16.885 \| good	36.558 \| good	0.735 \| good	7.725 \| good	0.219 \| good
2026-05-14T09:00:00.000Z	40 \| good	5.484 \| good	14.642 \| good	42.523 \| good	0.705 \| good	9.801 \| good	0.219 \| good
2026-05-14T10:00:00.000Z	42 \| good	6.141 \| good	14.936 \| good	44.849 \| good	0.718 \| good	9.206 \| good	0.219 \| good
2026-05-14T11:00:00.000Z	38 \| good	6.722 \| good	19.145 \| good	39.723 \| good	0.715 \| good	14.705 \| good	0.239 \| good
2026-05-14T12:00:00.000Z	38 \| good	7.074 \| good	18.801 \| good	34.273 \| good	0.713 \| good	17.984 \| good	0.255 \| good
2026-05-14T12:00:00.000Z	33 \| good	6.015 \| good	14.367 \| good	28.303 \| good	0.74 \| good	27.63 \| good	0.263 \| good
2026-05-14T13:00:00.000Z	34 \| good	3.766 \| good	16.626 \| good	36.839 \| good	0.527 \| good	8.493 \| good	0.156 \| good
2026-05-14T14:00:00.000Z	32 \| good	4.514 \| good	19.712 \| good	34.736 \| good	0.56 \| good	7.489 \| good	0.161 \| good
2026-05-14T15:00:00.000Z	36 \| good	4.262 \| good	18.684 \| good	38.719 \| good	0.553 \| good	6.037 \| good	0.157 \| good
2026-05-14T16:00:00.000Z	44 \| good	3.471 \| good	15.496 \| good	48.055 \| good	0.51 \| good	4.91 \| good	0.155 \| good
2026-05-14T17:00:00.000Z	37 \| good	6.332 \| good	28.314 \| good	39.972 \| good	0.466 \| good	4.367 \| good	0.154 \| good
2026-05-14T18:00:00.000Z	49 \| good	9.066 \| good	40.31 \| good	38.346 \| good	0.432 \| good	4.302 \| good	0.156 \| good
2026-05-14T19:00:00.000Z	45 \| good	7.024 \| good	30.946 \| good	48.778 \| good	0.452 \| good	4.118 \| good	0.16 \| good
2026-05-14T20:00:00.000Z	48 \| good	5.731 \| good	24.448 \| good	51.769 \| good	0.488 \| good	3.975 \| good	0.158 \| good
2026-05-14T21:00:00.000Z	45 \| good	5.775 \| good	25.107 \| good	48.847 \| good	0.46 \| good	4.291 \| good	0.159 \| good
2026-05-14T22:00:00.000Z	44 \| good	5.108 \| good	21.896 \| good	47.281 \| good	0.399 \| good	6.463 \| good	0.178 \| good
2026-05-14T23:00:00.000Z	44 \| good	6.108 \| good	27.025 \| good	47.815 \| good	0.35 \| good	8.596 \| good	0.184 \| good
2026-05-15T00:00:00.000Z	36 \| good	5.839 \| good	25.097 \| good	39.251 \| good	0.278 \| good	10.244 \| good	0.189 \| good
2026-05-15T01:00:00.000Z	38 \| good	7.377 \| good	32.244 \| good	27.286 \| good	0.263 \| good	10.91 \| good	0.191 \| good
2026-05-15T02:00:00.000Z	44 \| good	8.059 \| good	34.993 \| good	26.73 \| good	0.241 \| good	9.233 \| good	0.183 \| good
2026-05-15T03:00:00.000Z	38 \| good	7.436 \| good	32.742 \| good	25.761 \| good	0.206 \| good	7.331 \| good	0.172 \| good
2026-05-15T04:00:00.000Z	38 \| good	7.066 \| good	31.701 \| good	29.799 \| good	0.172 \| good	5.777 \| good	0.163 \| good
2026-05-15T05:00:00.000Z	38 \| good	6.79 \| good	29.946 \| good	30.828 \| good	0.152 \| good	4.559 \| good	0.156 \| good
2026-05-15T06:00:00.000Z	38 \| good	7.433 \| good	32.919 \| good	34.258 \| good	0.149 \| good	3.938 \| good	0.15 \| good
2026-05-15T07:00:00.000Z	38 \| good	7.046 \| good	30.996 \| good	34.052 \| good	0.156 \| good	3.605 \| good	0.148 \| good
2026-05-15T08:00:00.000Z	38 \| good	6.825 \| good	29.917 \| good	32.352 \| good	0.171 \| good	3.549 \| good	0.147 \| good
2026-05-15T09:00:00.000Z	38 \| good	6.821 \| good	30.028 \| good	29.728 \| good	0.189 \| good	3.624 \| good	0.147 \| good
2026-05-15T10:00:00.000Z	38 \| good	6.859 \| good	30.726 \| good	28.721 \| good	0.207 \| good	3.792 \| good	0.149 \| good
2026-05-15T11:00:00.000Z	33 \| good	5.622 \| good	24.06 \| good	34.505 \| good	0.232 \| good	4.437 \| good	0.153 \| good
2026-05-15T12:00:00.000Z	37 \| good	4.91 \| good	20.98 \| good	39.85 \| good	0.259 \| good	4.733 \| good	0.159 \| good
2026-05-15T13:00:00.000Z	40 \| good	4.17 \| good	17.992 \| good	42.829 \| good	0.278 \| good	4.459 \| good	0.162 \| good
2026-05-15T14:00:00.000Z	41 \| good	5.175 \| good	22.061 \| good	44.386 \| good	0.286 \| good	3.997 \| good	0.161 \| good
2026-05-15T15:00:00.000Z	41 \| good	5.7 \| good	24.266 \| good	44.253 \| good	0.269 \| good	3.258 \| good	0.157 \| good
2026-05-15T16:00:00.000Z	41 \| good	5.844 \| good	25.106 \| good	44.274 \| good	0.246 \| good	2.783 \| good	0.151 \| good
2026-05-15T17:00:00.000Z	38 \| good	5.707 \| good	24.775 \| good	41.049 \| good	0.247 \| good	2.862 \| good	0.15 \| good
2026-05-15T18:00:00.000Z	38 \| good	6.413 \| good	28.729 \| good	40.947 \| good	0.24 \| good	2.876 \| good	0.149 \| good
2026-05-15T19:00:00.000Z	41 \| good	5.157 \| good	22.702 \| good	44.246 \| good	0.226 \| good	2.957 \| good	0.147 \| good
2026-05-15T20:00:00.000Z	41 \| good	4.551 \| good	19.861 \| good	43.62 \| good	0.215 \| good	3.145 \| good	0.145 \| good
2026-05-15T21:00:00.000Z	42 \| good	4.202 \| good	18.754 \| good	45.009 \| good	0.208 \| good	3.508 \| good	0.145 \| good
2026-05-15T22:00:00.000Z	43 \| good	3.775 \| good	16.755 \| good	46.279 \| good	0.204 \| good	3.919 \| good	0.147 \| good
2026-05-15T23:00:00.000Z	41 \| good	3.821 \| good	16.862 \| good	43.705 \| good	0.209 \| good	4.579 \| good	0.15 \| good
2026-05-16T00:00:00.000Z	37 \| good	2.691 \| good	11.003 \| good	40.331 \| good	0.25 \| good	8.405 \| good	0.167 \| good
2026-05-16T01:00:00.000Z	29 \| good	2.598 \| good	10.782 \| good	30.98 \| good	0.351 \| good	15.37 \| good	0.197 \| good
2026-05-16T02:00:00.000Z	28 \| good	2.629 \| good	10.828 \| good	29.608 \| good	0.428 \| good	17.658 \| good	0.216 \| good
2026-05-16T03:00:00.000Z	27 \| good	2.905 \| good	11.863 \| good	29.185 \| good	0.506 \| good	18.951 \| good	0.232 \| good
2026-05-16T04:00:00.000Z	32 \| good	2.007 \| good	7.983 \| good	34.976 \| good	0.511 \| good	19.179 \| good	0.238 \| good
2026-05-16T05:00:00.000Z	31 \| good	1.977 \| good	8.051 \| good	33.108 \| good	0.427 \| good	17.345 \| good	0.213 \| good
2026-05-16T06:00:00.000Z	44 \| good	8.018 \| good	8.205 \| good	15.851 \| good	0.369 \| good	15.018 \| good	0.194 \| good
2026-05-16T07:00:00.000Z	27 \| good	3.271 \| good	13.929 \| good	29.008 \| good	0.334 \| good	12.59 \| good	0.182 \| good
2026-05-16T08:00:00.000Z	27 \| good	4.563 \| good	19.857 \| good	27.87 \| good	0.3 \| good	10.816 \| good	0.172 \| good
2026-05-16T09:00:00.000Z	22 \| good	4.263 \| good	18.852 \| good	22.232 \| good	0.275 \| good	9.202 \| good	0.164 \| good
2026-05-16T10:00:00.000Z	22 \| good	4.478 \| good	19.175 \| good	24.22 \| good	0.267 \| good	7.726 \| good	0.161 \| good
2026-05-16T11:00:00.000Z	38 \| good	7.311 \| good	31.888 \| good	33.336 \| good	0.281 \| good	6.824 \| good	0.164 \| good
2026-05-16T12:00:00.000Z	28 \| good	5.301 \| good	5.356 \| good	29.549 \| good	0.325 \| good	5.816 \| good	0.164 \| good

Stamford

Get reliable air quality data to drive your business

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

0.25ppm

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 01:00:00 on 2026-05-14.

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 08:00:00 on 2026-05-14.

What is the AQI in Stamford, Connecticut right now?

As of now, the AQI in Stamford, Connecticut is 33, 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 6.015 μg/m³.

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

The PM₁₀ concentration in Stamford, Connecticut is 14.367 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 0.263 ppm.

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

Currently, Stamford, Connecticut has a sulfur dioxide (SO₂) concentration of 0.74 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 28.303 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 27.63 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T13:00:00.000Z	30 \| good	1.16 \| good	8.202 \| good	31.515 \| good	0.462 \| good	6.764 \| good	0.206 \| good
2026-05-12T14:00:00.000Z	30 \| good	1.732 \| good	7.124 \| good	32.275 \| good	0.507 \| good	3.256 \| good	0.183 \| good
2026-05-12T15:00:00.000Z	30 \| good	1.478 \| good	6.107 \| good	31.986 \| good	0.492 \| good	3.561 \| good	0.158 \| good
2026-05-12T16:00:00.000Z	31 \| good	1.506 \| good	4.284 \| good	33.419 \| good	0.466 \| good	2.719 \| good	0.183 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.067 \| good	4.457 \| good	34.857 \| good	0.326 \| good	3.575 \| good	0.203 \| good
2026-05-12T18:00:00.000Z	34 \| good	1.938 \| good	4.385 \| good	36.752 \| good	0.301 \| good	3.869 \| good	0.228 \| good
2026-05-12T19:00:00.000Z	36 \| good	2.587 \| good	6.082 \| good	38.558 \| good	0.268 \| good	3.648 \| good	0.228 \| good
2026-05-12T20:00:00.000Z	37 \| good	2.979 \| good	9.811 \| good	39.695 \| good	0.285 \| good	4.72 \| good	0.238 \| good
2026-05-12T21:00:00.000Z	38 \| good	2.912 \| good	13.86 \| good	40.714 \| good	0.341 \| good	5.191 \| good	0.238 \| good
2026-05-12T22:00:00.000Z	37 \| good	2.919 \| good	10.008 \| good	39.721 \| good	0.262 \| good	3.49 \| good	0.234 \| good
2026-05-12T23:00:00.000Z	40 \| good	3.803 \| good	19.906 \| good	42.653 \| good	0.296 \| good	6.894 \| good	0.219 \| good
2026-05-13T00:00:00.000Z	40 \| good	2.68 \| good	11.34 \| good	43.416 \| good	0.263 \| good	13.221 \| good	0.219 \| good
2026-05-13T01:00:00.000Z	39 \| good	1.947 \| good	9.973 \| good	41.755 \| good	0.388 \| good	6.923 \| good	0.206 \| good
2026-05-13T02:00:00.000Z	35 \| good	2.642 \| good	10.424 \| good	38.5 \| good	0.537 \| good	9.798 \| good	0.241 \| good
2026-05-13T03:00:00.000Z	44 \| good	7.887 \| good	34.63 \| good	30.528 \| good	0.488 \| good	22.757 \| good	0.24 \| good
2026-05-13T04:00:00.000Z	39 \| good	3.846 \| good	17.499 \| good	41.705 \| good	0.271 \| good	8.658 \| good	0.211 \| good
2026-05-13T05:00:00.000Z	38 \| good	3.206 \| good	10.297 \| good	40.686 \| good	0.202 \| good	11.186 \| good	0.211 \| good
2026-05-13T06:00:00.000Z	35 \| good	3.541 \| good	16.869 \| good	38.462 \| good	0.202 \| good	9.427 \| good	0.198 \| good
2026-05-13T07:00:00.000Z	38 \| good	2.568 \| good	8.681 \| good	41.423 \| good	0.261 \| good	6.119 \| good	0.198 \| good
2026-05-13T08:00:00.000Z	37 \| good	2.817 \| good	10.827 \| good	39.954 \| good	0.446 \| good	4.253 \| good	0.198 \| good
2026-05-13T09:00:00.000Z	36 \| good	2.95 \| good	14.744 \| good	38.678 \| good	0.513 \| good	5.379 \| good	0.211 \| good
2026-05-13T10:00:00.000Z	37 \| good	3.21 \| good	10.187 \| good	40.21 \| good	0.414 \| good	11.09 \| good	0.19 \| good
2026-05-13T11:00:00.000Z	38 \| good	4.146 \| good	15.403 \| good	41.206 \| good	0.55 \| good	16.241 \| good	0.194 \| good
2026-05-13T12:00:00.000Z	35 \| good	4.766 \| good	23.355 \| good	38.399 \| good	0.449 \| good	21.94 \| good	0.21 \| good
2026-05-13T13:00:00.000Z	41 \| good	5.182 \| good	17.287 \| good	44.283 \| good	0.459 \| good	19.607 \| good	0.225 \| good
2026-05-13T14:00:00.000Z	34 \| good	6.433 \| good	24.29 \| good	37.012 \| good	0.442 \| good	13.251 \| good	0.239 \| good
2026-05-13T15:00:00.000Z	38 \| good	7.085 \| good	27.989 \| good	34.344 \| good	0.456 \| good	11.276 \| good	0.255 \| good
2026-05-13T16:00:00.000Z	49 \| good	9.478 \| good	42.332 \| good	48.873 \| good	0.563 \| good	4.086 \| good	0.152 \| good
2026-05-13T17:00:00.000Z	41 \| good	4.705 \| good	29.544 \| good	44.4 \| good	0.391 \| good	8.882 \| good	0.174 \| good
2026-05-13T18:00:00.000Z	49 \| good	8.692 \| good	36.915 \| good	48.26 \| good	0.347 \| good	8.872 \| good	0.199 \| good
2026-05-13T19:00:00.000Z	46 \| good	6.797 \| good	26.033 \| good	50.29 \| good	0.408 \| good	9.428 \| good	0.199 \| good
2026-05-13T20:00:00.000Z	46 \| good	6.46 \| good	33.101 \| good	50.467 \| good	0.371 \| good	10.407 \| good	0.215 \| good
2026-05-13T21:00:00.000Z	47 \| good	7.098 \| good	30.257 \| good	50.942 \| good	0.372 \| good	8.892 \| good	0.19 \| good
2026-05-13T22:00:00.000Z	46 \| good	5.487 \| good	24.448 \| good	50.265 \| good	0.4 \| good	7.131 \| good	0.174 \| good
2026-05-13T23:00:00.000Z	47 \| good	5.515 \| good	25.073 \| good	51.367 \| good	0.389 \| good	7.989 \| good	0.194 \| good
2026-05-14T00:00:00.000Z	46 \| good	3.776 \| good	23.567 \| good	49.537 \| good	0.381 \| good	6.645 \| good	0.214 \| good
2026-05-14T01:00:00.000Z	49 \| good	4.922 \| good	22.837 \| good	52.89 \| good	0.388 \| good	5.442 \| good	0.234 \| good
2026-05-14T02:00:00.000Z	48 \| good	4.897 \| good	18.298 \| good	51.627 \| good	0.624 \| good	7.034 \| good	0.254 \| good
2026-05-14T03:00:00.000Z	45 \| good	4.883 \| good	17.447 \| good	49.035 \| good	0.725 \| good	6.143 \| good	0.259 \| good
2026-05-14T04:00:00.000Z	48 \| good	5.687 \| good	20.284 \| good	51.789 \| good	0.725 \| good	6.297 \| good	0.239 \| good
2026-05-14T05:00:00.000Z	44 \| good	5.622 \| good	15.111 \| good	46.822 \| good	0.699 \| good	4.627 \| good	0.194 \| good
2026-05-14T06:00:00.000Z	42 \| good	5.603 \| good	16.115 \| good	45.498 \| good	0.652 \| good	5.946 \| good	0.219 \| good
2026-05-14T07:00:00.000Z	41 \| good	4.382 \| good	16.691 \| good	43.597 \| good	0.733 \| good	6.034 \| good	0.206 \| good
2026-05-14T08:00:00.000Z	34 \| good	5.713 \| good	16.885 \| good	36.558 \| good	0.735 \| good	7.725 \| good	0.219 \| good
2026-05-14T09:00:00.000Z	40 \| good	5.484 \| good	14.642 \| good	42.523 \| good	0.705 \| good	9.801 \| good	0.219 \| good
2026-05-14T10:00:00.000Z	42 \| good	6.141 \| good	14.936 \| good	44.849 \| good	0.718 \| good	9.206 \| good	0.219 \| good
2026-05-14T11:00:00.000Z	38 \| good	6.722 \| good	19.145 \| good	39.723 \| good	0.715 \| good	14.705 \| good	0.239 \| good
2026-05-14T12:00:00.000Z	38 \| good	7.074 \| good	18.801 \| good	34.273 \| good	0.713 \| good	17.984 \| good	0.255 \| good
2026-05-14T12:00:00.000Z	33 \| good	6.015 \| good	14.367 \| good	28.303 \| good	0.74 \| good	27.63 \| good	0.263 \| good
2026-05-14T13:00:00.000Z	34 \| good	3.766 \| good	16.626 \| good	36.839 \| good	0.527 \| good	8.493 \| good	0.156 \| good
2026-05-14T14:00:00.000Z	32 \| good	4.514 \| good	19.712 \| good	34.736 \| good	0.56 \| good	7.489 \| good	0.161 \| good
2026-05-14T15:00:00.000Z	36 \| good	4.262 \| good	18.684 \| good	38.719 \| good	0.553 \| good	6.037 \| good	0.157 \| good
2026-05-14T16:00:00.000Z	44 \| good	3.471 \| good	15.496 \| good	48.055 \| good	0.51 \| good	4.91 \| good	0.155 \| good
2026-05-14T17:00:00.000Z	37 \| good	6.332 \| good	28.314 \| good	39.972 \| good	0.466 \| good	4.367 \| good	0.154 \| good
2026-05-14T18:00:00.000Z	49 \| good	9.066 \| good	40.31 \| good	38.346 \| good	0.432 \| good	4.302 \| good	0.156 \| good
2026-05-14T19:00:00.000Z	45 \| good	7.024 \| good	30.946 \| good	48.778 \| good	0.452 \| good	4.118 \| good	0.16 \| good
2026-05-14T20:00:00.000Z	48 \| good	5.731 \| good	24.448 \| good	51.769 \| good	0.488 \| good	3.975 \| good	0.158 \| good
2026-05-14T21:00:00.000Z	45 \| good	5.775 \| good	25.107 \| good	48.847 \| good	0.46 \| good	4.291 \| good	0.159 \| good
2026-05-14T22:00:00.000Z	44 \| good	5.108 \| good	21.896 \| good	47.281 \| good	0.399 \| good	6.463 \| good	0.178 \| good
2026-05-14T23:00:00.000Z	44 \| good	6.108 \| good	27.025 \| good	47.815 \| good	0.35 \| good	8.596 \| good	0.184 \| good
2026-05-15T00:00:00.000Z	36 \| good	5.839 \| good	25.097 \| good	39.251 \| good	0.278 \| good	10.244 \| good	0.189 \| good
2026-05-15T01:00:00.000Z	38 \| good	7.377 \| good	32.244 \| good	27.286 \| good	0.263 \| good	10.91 \| good	0.191 \| good
2026-05-15T02:00:00.000Z	44 \| good	8.059 \| good	34.993 \| good	26.73 \| good	0.241 \| good	9.233 \| good	0.183 \| good
2026-05-15T03:00:00.000Z	38 \| good	7.436 \| good	32.742 \| good	25.761 \| good	0.206 \| good	7.331 \| good	0.172 \| good
2026-05-15T04:00:00.000Z	38 \| good	7.066 \| good	31.701 \| good	29.799 \| good	0.172 \| good	5.777 \| good	0.163 \| good
2026-05-15T05:00:00.000Z	38 \| good	6.79 \| good	29.946 \| good	30.828 \| good	0.152 \| good	4.559 \| good	0.156 \| good
2026-05-15T06:00:00.000Z	38 \| good	7.433 \| good	32.919 \| good	34.258 \| good	0.149 \| good	3.938 \| good	0.15 \| good
2026-05-15T07:00:00.000Z	38 \| good	7.046 \| good	30.996 \| good	34.052 \| good	0.156 \| good	3.605 \| good	0.148 \| good
2026-05-15T08:00:00.000Z	38 \| good	6.825 \| good	29.917 \| good	32.352 \| good	0.171 \| good	3.549 \| good	0.147 \| good
2026-05-15T09:00:00.000Z	38 \| good	6.821 \| good	30.028 \| good	29.728 \| good	0.189 \| good	3.624 \| good	0.147 \| good
2026-05-15T10:00:00.000Z	38 \| good	6.859 \| good	30.726 \| good	28.721 \| good	0.207 \| good	3.792 \| good	0.149 \| good
2026-05-15T11:00:00.000Z	33 \| good	5.622 \| good	24.06 \| good	34.505 \| good	0.232 \| good	4.437 \| good	0.153 \| good
2026-05-15T12:00:00.000Z	37 \| good	4.91 \| good	20.98 \| good	39.85 \| good	0.259 \| good	4.733 \| good	0.159 \| good
2026-05-15T13:00:00.000Z	40 \| good	4.17 \| good	17.992 \| good	42.829 \| good	0.278 \| good	4.459 \| good	0.162 \| good
2026-05-15T14:00:00.000Z	41 \| good	5.175 \| good	22.061 \| good	44.386 \| good	0.286 \| good	3.997 \| good	0.161 \| good
2026-05-15T15:00:00.000Z	41 \| good	5.7 \| good	24.266 \| good	44.253 \| good	0.269 \| good	3.258 \| good	0.157 \| good
2026-05-15T16:00:00.000Z	41 \| good	5.844 \| good	25.106 \| good	44.274 \| good	0.246 \| good	2.783 \| good	0.151 \| good
2026-05-15T17:00:00.000Z	38 \| good	5.707 \| good	24.775 \| good	41.049 \| good	0.247 \| good	2.862 \| good	0.15 \| good
2026-05-15T18:00:00.000Z	38 \| good	6.413 \| good	28.729 \| good	40.947 \| good	0.24 \| good	2.876 \| good	0.149 \| good
2026-05-15T19:00:00.000Z	41 \| good	5.157 \| good	22.702 \| good	44.246 \| good	0.226 \| good	2.957 \| good	0.147 \| good
2026-05-15T20:00:00.000Z	41 \| good	4.551 \| good	19.861 \| good	43.62 \| good	0.215 \| good	3.145 \| good	0.145 \| good
2026-05-15T21:00:00.000Z	42 \| good	4.202 \| good	18.754 \| good	45.009 \| good	0.208 \| good	3.508 \| good	0.145 \| good
2026-05-15T22:00:00.000Z	43 \| good	3.775 \| good	16.755 \| good	46.279 \| good	0.204 \| good	3.919 \| good	0.147 \| good
2026-05-15T23:00:00.000Z	41 \| good	3.821 \| good	16.862 \| good	43.705 \| good	0.209 \| good	4.579 \| good	0.15 \| good
2026-05-16T00:00:00.000Z	37 \| good	2.691 \| good	11.003 \| good	40.331 \| good	0.25 \| good	8.405 \| good	0.167 \| good
2026-05-16T01:00:00.000Z	29 \| good	2.598 \| good	10.782 \| good	30.98 \| good	0.351 \| good	15.37 \| good	0.197 \| good
2026-05-16T02:00:00.000Z	28 \| good	2.629 \| good	10.828 \| good	29.608 \| good	0.428 \| good	17.658 \| good	0.216 \| good
2026-05-16T03:00:00.000Z	27 \| good	2.905 \| good	11.863 \| good	29.185 \| good	0.506 \| good	18.951 \| good	0.232 \| good
2026-05-16T04:00:00.000Z	32 \| good	2.007 \| good	7.983 \| good	34.976 \| good	0.511 \| good	19.179 \| good	0.238 \| good
2026-05-16T05:00:00.000Z	31 \| good	1.977 \| good	8.051 \| good	33.108 \| good	0.427 \| good	17.345 \| good	0.213 \| good
2026-05-16T06:00:00.000Z	44 \| good	8.018 \| good	8.205 \| good	15.851 \| good	0.369 \| good	15.018 \| good	0.194 \| good
2026-05-16T07:00:00.000Z	27 \| good	3.271 \| good	13.929 \| good	29.008 \| good	0.334 \| good	12.59 \| good	0.182 \| good
2026-05-16T08:00:00.000Z	27 \| good	4.563 \| good	19.857 \| good	27.87 \| good	0.3 \| good	10.816 \| good	0.172 \| good
2026-05-16T09:00:00.000Z	22 \| good	4.263 \| good	18.852 \| good	22.232 \| good	0.275 \| good	9.202 \| good	0.164 \| good
2026-05-16T10:00:00.000Z	22 \| good	4.478 \| good	19.175 \| good	24.22 \| good	0.267 \| good	7.726 \| good	0.161 \| good
2026-05-16T11:00:00.000Z	38 \| good	7.311 \| good	31.888 \| good	33.336 \| good	0.281 \| good	6.824 \| good	0.164 \| good
2026-05-16T12:00:00.000Z	28 \| good	5.301 \| good	5.356 \| good	29.549 \| good	0.325 \| good	5.816 \| good	0.164 \| 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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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?

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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?