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

The PM10 concentration in Stamford, Connecticut is 9.487 μg/m3 at the moment.

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

Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 0.144 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 29.437 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 3.972 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 2.944 μg/m3.

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)

2.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.49 μg/m³

155

255

425

605+

Ozone (O₃)

29.44 ppb

201

201+

Sulfur Dioxide (SO₂)

0.14 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-02-10T10:00:00.000Z	33 \| good	6.437 \| good	25.772 \| good	12.253 \| good	0.408 \| good	17.162 \| good	0.461 \| good
2026-02-10T11:00:00.000Z	27 \| good	5.465 \| good	26.206 \| good	17.542 \| good	0.602 \| good	13.259 \| good	0.519 \| good
2026-02-10T12:00:00.000Z	44 \| good	7.703 \| good	24.464 \| good	12.794 \| good	0.611 \| good	12.971 \| good	0.582 \| good
2026-02-10T13:00:00.000Z	33 \| good	6.322 \| good	19.792 \| good	12.428 \| good	0.654 \| good	22.299 \| good	0.599 \| good
2026-02-10T14:00:00.000Z	44 \| good	7.942 \| good	39.405 \| good	12.741 \| good	1.083 \| good	18.429 \| good	0.57 \| good
2026-02-10T15:00:00.000Z	44 \| good	8.04 \| good	38.301 \| good	13.555 \| good	0.833 \| good	23.252 \| good	0.615 \| good
2026-02-10T16:00:00.000Z	44 \| good	7.882 \| good	32.545 \| good	10.925 \| good	1.142 \| good	37.684 \| good	0.636 \| good
2026-02-10T17:00:00.000Z	60 \| moderate	13.684 \| fine	43.765 \| good	15.377 \| good	1.043 \| good	37.568 \| good	0.701 \| good
2026-02-10T18:00:00.000Z	62 \| moderate	12.089 \| good	77.678 \| fine	15.921 \| good	1.119 \| good	33.23 \| good	0.715 \| good
2026-02-10T19:00:00.000Z	64 \| moderate	15.655 \| fine	67.312 \| fine	11.529 \| good	1.353 \| good	27.461 \| good	0.627 \| good
2026-02-10T20:00:00.000Z	69 \| moderate	19.104 \| fine	73.428 \| fine	15.242 \| good	1.502 \| good	30.615 \| good	0.615 \| good
2026-02-10T21:00:00.000Z	62 \| moderate	14.519 \| fine	49.738 \| good	17.713 \| good	1.375 \| good	32.218 \| good	0.633 \| good
2026-02-10T22:00:00.000Z	56 \| moderate	11.761 \| good	45.055 \| good	19.242 \| good	1.16 \| good	31.915 \| good	0.664 \| good
2026-02-10T23:00:00.000Z	31 \| good	4.716 \| good	15.1 \| good	22.083 \| good	0.772 \| good	32.985 \| good	0.466 \| good
2026-02-11T00:00:00.000Z	27 \| good	5.077 \| good	23.531 \| good	22.342 \| good	0.812 \| good	27.685 \| good	0.393 \| good
2026-02-11T01:00:00.000Z	52 \| moderate	9.619 \| good	16.976 \| good	20.789 \| good	1.132 \| good	28.734 \| good	0.358 \| good
2026-02-11T02:00:00.000Z	52 \| moderate	9.82 \| good	41.763 \| good	15.843 \| good	0.771 \| good	33.304 \| good	0.35 \| good
2026-02-11T03:00:00.000Z	52 \| moderate	10.093 \| good	28.818 \| good	15.322 \| good	0.727 \| good	34.658 \| good	0.367 \| good
2026-02-11T04:00:00.000Z	52 \| moderate	9.951 \| good	34.645 \| good	12.631 \| good	0.678 \| good	39.303 \| good	0.417 \| good
2026-02-11T05:00:00.000Z	56 \| moderate	12.054 \| good	37.798 \| good	12.456 \| good	0.6 \| good	39 \| good	0.434 \| good
2026-02-11T06:00:00.000Z	54 \| moderate	11.398 \| good	40.696 \| good	14.793 \| good	0.816 \| good	40.703 \| good	0.511 \| good
2026-02-11T07:00:00.000Z	60 \| moderate	14.335 \| fine	44.736 \| good	5.391 \| good	0.811 \| good	38.838 \| good	0.531 \| good
2026-02-11T08:00:00.000Z	64 \| moderate	16.382 \| fine	43.149 \| good	9.062 \| good	0.734 \| good	47.637 \| good	0.499 \| good
2026-02-11T09:00:00.000Z	62 \| moderate	14.756 \| fine	67.091 \| fine	6.742 \| good	0.57 \| good	45.531 \| good	0.515 \| good
2026-02-11T10:00:00.000Z	62 \| moderate	15.071 \| fine	71.678 \| fine	18.542 \| good	0.506 \| good	39.882 \| good	0.491 \| good
2026-02-11T11:00:00.000Z	77 \| moderate	22.655 \| fine	92.437 \| fine	14.149 \| good	0.646 \| good	35.302 \| good	0.434 \| good
2026-02-11T12:00:00.000Z	71 \| moderate	20.13 \| fine	87.276 \| fine	16.846 \| good	0.722 \| good	37.238 \| good	0.536 \| good
2026-02-11T13:00:00.000Z	71 \| moderate	19.733 \| fine	75.138 \| fine	15.674 \| good	0.755 \| good	36.19 \| good	0.573 \| good
2026-02-11T14:00:00.000Z	69 \| moderate	19.334 \| fine	69.574 \| fine	20.905 \| good	1.075 \| good	26.604 \| good	0.569 \| good
2026-02-11T15:00:00.000Z	75 \| moderate	21.846 \| fine	82.154 \| fine	23.263 \| good	0.673 \| good	22.108 \| good	0.523 \| good
2026-02-11T16:00:00.000Z	66 \| moderate	16.582 \| fine	68.025 \| fine	22.915 \| good	0.601 \| good	15.578 \| good	1.115 \| good
2026-02-11T17:00:00.000Z	73 \| moderate	20.577 \| fine	41.919 \| good	22.058 \| good	0.431 \| good	11.801 \| good	0.337 \| good
2026-02-11T18:00:00.000Z	54 \| moderate	11.339 \| good	40.657 \| good	27.166 \| good	0.287 \| good	11.639 \| good	0.268 \| good
2026-02-11T19:00:00.000Z	49 \| good	8.509 \| good	33.941 \| good	29.302 \| good	0.208 \| good	9.104 \| good	0.252 \| good
2026-02-11T20:00:00.000Z	38 \| good	7.259 \| good	29.157 \| good	29.016 \| good	0.345 \| good	7.643 \| good	0.229 \| good
2026-02-11T21:00:00.000Z	26 \| good	3.43 \| good	14.899 \| good	28.172 \| good	0.164 \| good	6.687 \| good	0.198 \| good
2026-02-11T22:00:00.000Z	26 \| good	4.308 \| good	14.443 \| good	27.538 \| good	0.202 \| good	6.509 \| good	0.181 \| good
2026-02-11T23:00:00.000Z	26 \| good	4.031 \| good	14.931 \| good	28.346 \| good	0.171 \| good	7.077 \| good	0.198 \| good
2026-02-12T00:00:00.000Z	23 \| good	3.818 \| good	11.901 \| good	25.363 \| good	0.225 \| good	6.225 \| good	0.181 \| good
2026-02-12T01:00:00.000Z	24 \| good	3.844 \| good	14.655 \| good	25.626 \| good	0.208 \| good	5.911 \| good	0.181 \| good
2026-02-12T02:00:00.000Z	24 \| good	3.207 \| good	15.358 \| good	25.766 \| good	0.176 \| good	5.438 \| good	0.181 \| good
2026-02-12T03:00:00.000Z	21 \| good	2.998 \| good	12.798 \| good	23.369 \| good	0.17 \| good	5.046 \| good	0.159 \| good
2026-02-12T04:00:00.000Z	23 \| good	2.897 \| good	14.56 \| good	24.946 \| good	0.229 \| good	4.738 \| good	0.173 \| good
2026-02-12T05:00:00.000Z	24 \| good	2.878 \| good	12.663 \| good	25.965 \| good	0.182 \| good	4.849 \| good	0.159 \| good
2026-02-12T06:00:00.000Z	25 \| good	3.66 \| good	15.313 \| good	27.474 \| good	0.156 \| good	4.44 \| good	0.159 \| good
2026-02-12T07:00:00.000Z	27 \| good	3.619 \| good	11.659 \| good	29.445 \| good	0.197 \| good	4.23 \| good	0.163 \| good
2026-02-12T08:00:00.000Z	27 \| good	3.464 \| good	17.13 \| good	28.839 \| good	0.13 \| good	4.247 \| good	0.159 \| good
2026-02-12T09:00:00.000Z	28 \| good	3.055 \| good	10.621 \| good	29.733 \| good	0.148 \| good	4.395 \| good	0.159 \| good
2026-02-12T09:00:00.000Z	27 \| good	2.944 \| good	9.487 \| good	29.437 \| good	0.144 \| good	3.972 \| good	0.153 \| good
2026-02-12T10:00:00.000Z	49 \| good	9.395 \| good	41.705 \| good	29.199 \| good	0.571 \| good	3.717 \| good	0.165 \| good
2026-02-12T11:00:00.000Z	38 \| good	6.79 \| good	30.106 \| good	30.041 \| good	0.576 \| good	4.413 \| good	0.165 \| good
2026-02-12T12:00:00.000Z	49 \| good	8.58 \| good	37.763 \| good	29.477 \| good	0.58 \| good	5.11 \| good	0.166 \| good
2026-02-12T13:00:00.000Z	38 \| good	7.314 \| good	32.145 \| good	30.199 \| good	0.556 \| good	4.264 \| good	0.162 \| good
2026-02-12T14:00:00.000Z	31 \| good	4.249 \| good	18.37 \| good	33.245 \| good	0.532 \| good	3.417 \| good	0.157 \| good
2026-02-12T15:00:00.000Z	31 \| good	2.854 \| good	11.624 \| good	33.891 \| good	0.508 \| good	2.571 \| good	0.153 \| good
2026-02-12T16:00:00.000Z	31 \| good	1.679 \| good	6.902 \| good	33.854 \| good	0.487 \| good	2.355 \| good	0.149 \| good
2026-02-12T17:00:00.000Z	34 \| good	1.853 \| good	7.576 \| good	37.384 \| good	0.466 \| good	2.139 \| good	0.146 \| good
2026-02-12T18:00:00.000Z	34 \| good	2.42 \| good	10.224 \| good	37.193 \| good	0.445 \| good	1.923 \| good	0.142 \| good
2026-02-12T19:00:00.000Z	34 \| good	3.696 \| good	16.13 \| good	36.991 \| good	0.465 \| good	2.439 \| good	0.143 \| good
2026-02-12T20:00:00.000Z	34 \| good	2.586 \| good	10.564 \| good	36.745 \| good	0.484 \| good	2.954 \| good	0.144 \| good
2026-02-12T21:00:00.000Z	33 \| good	1.11 \| good	4.399 \| good	36.45 \| good	0.503 \| good	3.47 \| good	0.146 \| good
2026-02-12T22:00:00.000Z	31 \| good	3.64 \| good	16 \| good	34.013 \| good	0.52 \| good	4.953 \| good	0.152 \| good
2026-02-12T23:00:00.000Z	31 \| good	4.407 \| good	19.153 \| good	32.746 \| good	0.537 \| good	6.436 \| good	0.159 \| good
2026-02-13T00:00:00.000Z	27 \| good	3.525 \| good	15.443 \| good	29.417 \| good	0.554 \| good	7.92 \| good	0.166 \| good
2026-02-13T01:00:00.000Z	26 \| good	3.948 \| good	17.018 \| good	28.413 \| good	0.543 \| good	7.642 \| good	0.165 \| good
2026-02-13T02:00:00.000Z	23 \| good	1.602 \| good	6.441 \| good	25.019 \| good	0.532 \| good	7.364 \| good	0.165 \| good
2026-02-13T03:00:00.000Z	22 \| good	2.397 \| good	9.626 \| good	23.905 \| good	0.521 \| good	7.086 \| good	0.164 \| good
2026-02-13T04:00:00.000Z	21 \| good	2.398 \| good	9.692 \| good	22.949 \| good	0.485 \| good	6.011 \| good	0.161 \| good
2026-02-13T05:00:00.000Z	22 \| good	2.428 \| good	10.072 \| good	23.52 \| good	0.449 \| good	4.936 \| good	0.159 \| good
2026-02-13T06:00:00.000Z	23 \| good	3.018 \| good	12.567 \| good	24.608 \| good	0.413 \| good	3.861 \| good	0.156 \| good
2026-02-13T07:00:00.000Z	24 \| good	2.434 \| good	10.079 \| good	25.772 \| good	0.413 \| good	3.713 \| good	0.154 \| good
2026-02-13T08:00:00.000Z	23 \| good	2.065 \| good	8.589 \| good	24.513 \| good	0.413 \| good	3.565 \| good	0.153 \| good
2026-02-13T09:00:00.000Z	19 \| good	2.103 \| good	8.546 \| good	20.503 \| good	0.413 \| good	3.417 \| good	0.151 \| good
2026-02-13T10:00:00.000Z	18 \| good	1.458 \| good	5.816 \| good	19.484 \| good	0.473 \| good	5.146 \| good	0.158 \| good
2026-02-13T11:00:00.000Z	19 \| good	1.751 \| good	7.373 \| good	21.383 \| good	0.534 \| good	6.876 \| good	0.165 \| good
2026-02-13T12:00:00.000Z	21 \| good	1.774 \| good	7.433 \| good	22.84 \| good	0.594 \| good	8.605 \| good	0.172 \| good
2026-02-13T13:00:00.000Z	25 \| good	1.638 \| good	6.575 \| good	26.593 \| good	0.696 \| good	8.246 \| good	0.18 \| good
2026-02-13T14:00:00.000Z	31 \| good	1.671 \| good	6.753 \| good	33.088 \| good	0.799 \| good	7.887 \| good	0.189 \| good
2026-02-13T15:00:00.000Z	32 \| good	1.716 \| good	7.02 \| good	35.124 \| good	0.902 \| good	7.528 \| good	0.197 \| good
2026-02-13T16:00:00.000Z	31 \| good	2.058 \| good	8.502 \| good	33.694 \| good	0.926 \| good	6.774 \| good	0.189 \| good
2026-02-13T17:00:00.000Z	33 \| good	2.405 \| good	10.018 \| good	36.383 \| good	0.951 \| good	6.02 \| good	0.182 \| good
2026-02-13T18:00:00.000Z	34 \| good	2.801 \| good	12.225 \| good	37.438 \| good	0.976 \| good	5.266 \| good	0.175 \| good
2026-02-13T19:00:00.000Z	34 \| good	5.098 \| good	22.223 \| good	36.937 \| good	1.005 \| good	6.248 \| good	0.178 \| good
2026-02-13T20:00:00.000Z	35 \| good	5.553 \| good	23.898 \| good	37.503 \| good	1.035 \| good	7.231 \| good	0.181 \| good
2026-02-13T21:00:00.000Z	32 \| good	3.81 \| good	16.657 \| good	35.321 \| good	1.065 \| good	8.213 \| good	0.184 \| good
2026-02-13T22:00:00.000Z	33 \| good	6.294 \| good	27.86 \| good	28.915 \| good	1.26 \| good	15.932 \| good	0.239 \| good
2026-02-13T23:00:00.000Z	29 \| good	4.514 \| good	19.64 \| good	30.58 \| good	1.455 \| good	23.651 \| good	0.293 \| good
2026-02-14T00:00:00.000Z	29 \| good	3.16 \| good	13.524 \| good	27.354 \| good	1.65 \| good	31.37 \| good	0.348 \| good
2026-02-14T01:00:00.000Z	28 \| good	5.171 \| good	22.674 \| good	25.158 \| good	1.548 \| good	29.68 \| good	0.332 \| good
2026-02-14T02:00:00.000Z	26 \| good	3.239 \| good	14.036 \| good	23.933 \| good	1.446 \| good	27.991 \| good	0.316 \| good
2026-02-14T03:00:00.000Z	25 \| good	1.702 \| good	6.98 \| good	24.368 \| good	1.344 \| good	26.302 \| good	0.3 \| good
2026-02-14T04:00:00.000Z	24 \| good	3.32 \| good	14.295 \| good	24.601 \| good	1.276 \| good	25.2 \| good	0.291 \| good
2026-02-14T05:00:00.000Z	27 \| good	5.438 \| good	23.811 \| good	19.234 \| good	1.208 \| good	24.099 \| good	0.282 \| good
2026-02-14T06:00:00.000Z	64 \| moderate	16.443 \| fine	16.731 \| good	18.124 \| good	1.117 \| good	22.826 \| good	0.274 \| good
2026-02-14T07:00:00.000Z	49 \| good	8.835 \| good	38.813 \| good	10.572 \| good	1.137 \| good	21.555 \| good	0.261 \| good
2026-02-14T08:00:00.000Z	52 \| moderate	9.926 \| good	44.057 \| good	12.492 \| good	1.134 \| good	20.113 \| good	0.251 \| good
2026-02-14T09:00:00.000Z	49 \| good	9.009 \| good	39.934 \| good	12.513 \| good	1.131 \| good	18.67 \| good	0.24 \| good

Stamford

Get reliable air quality data to drive your business

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

0.18ppm

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 11:00:00 on 2026-02-11.

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 03:00:00 on 2026-02-12.

What is the AQI in Stamford, Connecticut right now?

As of now, the AQI in Stamford, Connecticut is 27, 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 2.944 μg/m³.

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

The PM₁₀ concentration in Stamford, Connecticut is 9.487 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 0.153 ppm.

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

Currently, Stamford, Connecticut has a sulfur dioxide (SO₂) concentration of 0.144 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 29.437 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 3.972 ppb.

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