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

The PM10 concentration in Madison, Connecticut is 9.086 μg/m3 at the moment.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO2) concentration of 0.154 ppb.

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

The current ozone (O3) level in Madison, Connecticut at the moment is 24.485 ppm.

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

Nitrogen dioxide (NO2) level in Madison, Connecticut at the moment is 5.102 ppb.

Live air quality index in Madison, Connecticut today

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

PM2.5 levels in Madison, Connecticut are currently 2.439 μg/m3.

Stay updated with real-time air quality in Madison, 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

Madison, Connecticut

Last updated: ... (Local time)

Major air pollutants in Madison, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.09 μg/m³

155

255

425

605+

Ozone (O₃)

24.48 ppb

201

201+

Sulfur Dioxide (SO₂)

0.15 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.10 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 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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Madison, Connecticut

Scroll To Air Quality Map

Track live Madison, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T04:00:00.000Z	38 \| good	7.015 \| good	34.485 \| good	24.631 \| good	0.271 \| good	19.82 \| good	0.286 \| good
2026-02-10T05:00:00.000Z	38 \| good	7.049 \| good	25.017 \| good	29.665 \| good	0.229 \| good	19.836 \| good	0.313 \| good
2026-02-10T06:00:00.000Z	33 \| good	5.56 \| good	28.109 \| good	23.1 \| good	0.286 \| good	17.193 \| good	0.219 \| good
2026-02-10T07:00:00.000Z	38 \| good	6.926 \| good	31.958 \| good	19.663 \| good	0.266 \| good	17.493 \| good	0.214 \| good
2026-02-10T08:00:00.000Z	33 \| good	5.769 \| good	26.915 \| good	23.361 \| good	0.281 \| good	20.649 \| good	0.176 \| good
2026-02-10T09:00:00.000Z	33 \| good	5.613 \| good	23.15 \| good	18.138 \| good	0.306 \| good	20.517 \| good	0.219 \| good
2026-02-10T10:00:00.000Z	38 \| good	6.523 \| good	32.298 \| good	15.002 \| good	0.319 \| good	17.174 \| good	0.229 \| good
2026-02-10T11:00:00.000Z	44 \| good	7.647 \| good	35.893 \| good	18.045 \| good	0.296 \| good	20.063 \| good	0.238 \| good
2026-02-10T12:00:00.000Z	44 \| good	7.983 \| good	31.883 \| good	11.275 \| good	0.286 \| good	21.112 \| good	0.353 \| good
2026-02-10T13:00:00.000Z	44 \| good	8.459 \| good	42.949 \| good	26.4 \| good	0.319 \| good	19.148 \| good	0.498 \| good
2026-02-10T14:00:00.000Z	53 \| moderate	10.064 \| good	60.022 \| fine	14.471 \| good	0.467 \| good	16.506 \| good	0.376 \| good
2026-02-10T15:00:00.000Z	33 \| good	6.445 \| good	32.648 \| good	24.967 \| good	0.403 \| good	22.125 \| good	0.304 \| good
2026-02-10T16:00:00.000Z	38 \| good	7.161 \| good	25.883 \| good	25.141 \| good	0.511 \| good	13.271 \| good	0.306 \| good
2026-02-10T17:00:00.000Z	33 \| good	5.781 \| good	31.207 \| good	22.934 \| good	0.495 \| good	17.853 \| good	0.291 \| good
2026-02-10T18:00:00.000Z	38 \| good	6.684 \| good	36.842 \| good	26.141 \| good	0.54 \| good	16.491 \| good	0.262 \| good
2026-02-10T19:00:00.000Z	33 \| good	6.243 \| good	20.95 \| good	24.625 \| good	0.456 \| good	15.784 \| good	0.236 \| good
2026-02-10T20:00:00.000Z	29 \| good	4.889 \| good	16.423 \| good	30.735 \| good	0.793 \| good	19.109 \| good	0.291 \| good
2026-02-10T21:00:00.000Z	34 \| good	6.171 \| good	36.709 \| good	29.906 \| good	0.718 \| good	22.967 \| good	0.291 \| good
2026-02-10T22:00:00.000Z	27 \| good	5.132 \| good	23.199 \| good	24.04 \| good	0.842 \| good	20.43 \| good	0.341 \| good
2026-02-10T23:00:00.000Z	27 \| good	4.194 \| good	21.961 \| good	28.911 \| good	0.626 \| good	17.061 \| good	0.794 \| good
2026-02-11T00:00:00.000Z	22 \| good	4.232 \| good	21.753 \| good	24.451 \| good	0.563 \| good	12.366 \| good	0.794 \| good
2026-02-11T01:00:00.000Z	25 \| good	4.389 \| good	17.646 \| good	27.274 \| good	0.947 \| good	11.378 \| good	0.756 \| good
2026-02-11T02:00:00.000Z	35 \| good	5.924 \| good	23.316 \| good	37.879 \| good	0.66 \| good	7.582 \| good	0.231 \| good
2026-02-11T03:00:00.000Z	33 \| good	6.155 \| good	25.928 \| good	26.939 \| good	0.612 \| good	12.213 \| good	0.255 \| good
2026-02-11T04:00:00.000Z	33 \| good	6.285 \| good	17.242 \| good	25.964 \| good	0.649 \| good	10.798 \| good	0.286 \| good
2026-02-11T05:00:00.000Z	44 \| good	7.978 \| good	17.969 \| good	31.703 \| good	3.967 \| good	13.001 \| good	0.25 \| good
2026-02-11T06:00:00.000Z	52 \| moderate	9.646 \| good	29.088 \| good	31.289 \| good	0.324 \| good	16.362 \| good	0.219 \| good
2026-02-11T07:00:00.000Z	38 \| good	7.487 \| good	11.541 \| good	33.224 \| good	0.331 \| good	13.677 \| good	0.732 \| good
2026-02-11T08:00:00.000Z	56 \| moderate	11.912 \| good	56.167 \| fine	18.141 \| good	0.306 \| good	25.645 \| good	0.286 \| good
2026-02-11T09:00:00.000Z	64 \| moderate	15.778 \| fine	58.819 \| fine	9.779 \| good	0.222 \| good	23.951 \| good	0.32 \| good
2026-02-11T10:00:00.000Z	75 \| moderate	21.734 \| fine	45.11 \| good	13.986 \| good	0.267 \| good	27.196 \| good	0.345 \| good
2026-02-11T11:00:00.000Z	77 \| moderate	23.049 \| fine	43.707 \| good	16.67 \| good	0.339 \| good	32.443 \| good	0.38 \| good
2026-02-11T12:00:00.000Z	73 \| moderate	21.071 \| fine	61.628 \| fine	20.908 \| good	0.383 \| good	26.197 \| good	0.509 \| good
2026-02-11T13:00:00.000Z	67 \| moderate	18.195 \| fine	82.583 \| fine	16.171 \| good	0.453 \| good	33.719 \| good	1.013 \| good
2026-02-11T14:00:00.000Z	81 \| moderate	24.971 \| fine	109.022 \| fine	15.144 \| good	0.379 \| good	25.377 \| good	0.533 \| good
2026-02-11T15:00:00.000Z	67 \| moderate	18.419 \| fine	83.857 \| fine	17.887 \| good	0.473 \| good	23.743 \| good	0.413 \| good
2026-02-11T16:00:00.000Z	75 \| moderate	21.962 \| fine	70.624 \| fine	20.678 \| good	0.542 \| good	14.343 \| good	0.966 \| good
2026-02-11T17:00:00.000Z	73 \| moderate	20.555 \| fine	59.95 \| fine	23.053 \| good	0.424 \| good	9.087 \| good	0.284 \| good
2026-02-11T18:00:00.000Z	73 \| moderate	21.038 \| fine	49.383 \| good	27.404 \| good	0.339 \| good	8.844 \| good	0.234 \| good
2026-02-11T19:00:00.000Z	62 \| moderate	15.427 \| fine	22.591 \| good	25.799 \| good	0.266 \| good	9.001 \| good	0.224 \| good
2026-02-11T20:00:00.000Z	58 \| moderate	13.141 \| fine	16.821 \| good	27.055 \| good	0.184 \| good	5.534 \| good	0.193 \| good
2026-02-11T21:00:00.000Z	44 \| good	7.624 \| good	14.705 \| good	27.885 \| good	0.184 \| good	5.49 \| good	0.17 \| good
2026-02-11T22:00:00.000Z	27 \| good	4.33 \| good	7.231 \| good	28.603 \| good	0.21 \| good	5.405 \| good	0.148 \| good
2026-02-11T23:00:00.000Z	27 \| good	4.194 \| good	18.257 \| good	29 \| good	0.165 \| good	5.987 \| good	0.189 \| good
2026-02-12T00:00:00.000Z	23 \| good	3.206 \| good	8.463 \| good	25.113 \| good	0.213 \| good	6.32 \| good	0.138 \| good
2026-02-12T01:00:00.000Z	27 \| good	2.669 \| good	6.369 \| good	28.572 \| good	0.196 \| good	5.527 \| good	0.129 \| good
2026-02-12T02:00:00.000Z	21 \| good	2.523 \| good	9.424 \| good	22.713 \| good	0.21 \| good	5.134 \| good	0.129 \| good
2026-02-12T03:00:00.000Z	22 \| good	2.439 \| good	9.086 \| good	24.485 \| good	0.154 \| good	5.102 \| good	0.129 \| good
2026-02-12T03:00:00.000Z	22 \| good	2.439 \| good	9.086 \| good	24.485 \| good	0.154 \| good	5.102 \| good	0.129 \| good
2026-02-12T04:00:00.000Z	49 \| good	8.987 \| good	40.232 \| good	15.078 \| good	0.484 \| good	3.374 \| good	0.171 \| good
2026-02-12T05:00:00.000Z	52 \| moderate	10.383 \| good	46.326 \| good	21.349 \| good	0.52 \| good	2.594 \| good	0.17 \| good
2026-02-12T06:00:00.000Z	60 \| moderate	13.771 \| fine	62.356 \| fine	31.898 \| good	0.556 \| good	1.814 \| good	0.17 \| good
2026-02-12T07:00:00.000Z	52 \| moderate	10.064 \| good	44.965 \| good	34.127 \| good	0.497 \| good	1.638 \| good	0.165 \| good
2026-02-12T08:00:00.000Z	52 \| moderate	10.155 \| good	45.219 \| good	31.915 \| good	0.438 \| good	1.461 \| good	0.16 \| good
2026-02-12T09:00:00.000Z	52 \| moderate	10.365 \| good	45.83 \| good	25.928 \| good	0.379 \| good	1.285 \| good	0.155 \| good
2026-02-12T10:00:00.000Z	52 \| moderate	9.507 \| good	42.154 \| good	24.48 \| good	0.371 \| good	1.551 \| good	0.155 \| good
2026-02-12T11:00:00.000Z	33 \| good	6.114 \| good	27.393 \| good	23.601 \| good	0.364 \| good	1.817 \| good	0.155 \| good
2026-02-12T12:00:00.000Z	24 \| good	2.797 \| good	11.493 \| good	26.447 \| good	0.357 \| good	2.083 \| good	0.155 \| good
2026-02-12T13:00:00.000Z	30 \| good	2.095 \| good	8.687 \| good	31.529 \| good	0.366 \| good	1.935 \| good	0.154 \| good
2026-02-12T14:00:00.000Z	30 \| good	2.981 \| good	12.092 \| good	32.465 \| good	0.375 \| good	1.787 \| good	0.153 \| good
2026-02-12T15:00:00.000Z	31 \| good	3.395 \| good	14.953 \| good	34.115 \| good	0.384 \| good	1.639 \| good	0.152 \| good
2026-02-12T16:00:00.000Z	33 \| good	4.243 \| good	18.874 \| good	36.31 \| good	0.377 \| good	1.511 \| good	0.151 \| good
2026-02-12T17:00:00.000Z	34 \| good	3.57 \| good	15.729 \| good	37.402 \| good	0.37 \| good	1.384 \| good	0.149 \| good
2026-02-12T18:00:00.000Z	44 \| good	8.101 \| good	35.835 \| good	39.718 \| good	0.363 \| good	1.256 \| good	0.147 \| good
2026-02-12T19:00:00.000Z	39 \| good	7.426 \| good	32.894 \| good	41.911 \| good	0.363 \| good	1.48 \| good	0.147 \| good
2026-02-12T20:00:00.000Z	38 \| good	6.07 \| good	26.856 \| good	41.022 \| good	0.364 \| good	1.704 \| good	0.147 \| good
2026-02-12T21:00:00.000Z	38 \| good	2.761 \| good	11.649 \| good	41.067 \| good	0.365 \| good	1.928 \| good	0.148 \| good
2026-02-12T22:00:00.000Z	33 \| good	4.093 \| good	17.722 \| good	35.986 \| good	0.372 \| good	2.65 \| good	0.153 \| good
2026-02-12T23:00:00.000Z	30 \| good	1.235 \| good	4.987 \| good	31.796 \| good	0.378 \| good	3.371 \| good	0.158 \| good
2026-02-13T00:00:00.000Z	26 \| good	1.251 \| good	4.765 \| good	28.272 \| good	0.385 \| good	4.092 \| good	0.163 \| good
2026-02-13T01:00:00.000Z	29 \| good	1.171 \| good	4.688 \| good	30.995 \| good	0.384 \| good	3.945 \| good	0.164 \| good
2026-02-13T02:00:00.000Z	24 \| good	4.394 \| good	19.054 \| good	25.813 \| good	0.382 \| good	3.799 \| good	0.164 \| good
2026-02-13T03:00:00.000Z	22 \| good	3.946 \| good	17.088 \| good	24.285 \| good	0.381 \| good	3.652 \| good	0.165 \| good
2026-02-13T04:00:00.000Z	27 \| good	4.663 \| good	20.088 \| good	24.322 \| good	0.368 \| good	3.244 \| good	0.162 \| good
2026-02-13T05:00:00.000Z	33 \| good	5.978 \| good	26.363 \| good	24.459 \| good	0.355 \| good	2.836 \| good	0.16 \| good
2026-02-13T06:00:00.000Z	39 \| good	4.129 \| good	4.479 \| good	42.184 \| good	0.342 \| good	2.427 \| good	0.157 \| good
2026-02-13T07:00:00.000Z	22 \| good	2.394 \| good	9.784 \| good	24.5 \| good	0.336 \| good	2.249 \| good	0.155 \| good
2026-02-13T08:00:00.000Z	21 \| good	2.547 \| good	10.619 \| good	23.448 \| good	0.33 \| good	2.07 \| good	0.153 \| good
2026-02-13T09:00:00.000Z	16 \| good	2.964 \| good	11.84 \| good	15.343 \| good	0.324 \| good	1.891 \| good	0.151 \| good
2026-02-13T10:00:00.000Z	33 \| good	6.401 \| good	28.265 \| good	9.201 \| good	0.343 \| good	2.411 \| good	0.155 \| good
2026-02-13T11:00:00.000Z	38 \| good	7.004 \| good	31.115 \| good	13.08 \| good	0.362 \| good	2.93 \| good	0.158 \| good
2026-02-13T12:00:00.000Z	37 \| good	3.996 \| good	4.211 \| good	39.905 \| good	0.38 \| good	3.444 \| good	0.162 \| good
2026-02-13T13:00:00.000Z	37 \| good	4.606 \| good	4.874 \| good	39.985 \| good	0.428 \| good	3.489 \| good	0.167 \| good
2026-02-13T14:00:00.000Z	37 \| good	4.867 \| good	5.2 \| good	40.065 \| good	0.476 \| good	3.535 \| good	0.172 \| good
2026-02-13T15:00:00.000Z	37 \| good	4.394 \| good	4.725 \| good	40.145 \| good	0.523 \| good	3.58 \| good	0.177 \| good
2026-02-13T16:00:00.000Z	33 \| good	1.02 \| good	4.053 \| good	35.624 \| good	0.528 \| good	3.411 \| good	0.175 \| good
2026-02-13T17:00:00.000Z	35 \| good	0.472 \| good	1.922 \| good	38.046 \| good	0.532 \| good	3.24 \| good	0.174 \| good
2026-02-13T18:00:00.000Z	39 \| good	4.575 \| good	4.877 \| good	41.544 \| good	0.535 \| good	3.069 \| good	0.173 \| good
2026-02-13T19:00:00.000Z	38 \| good	4.816 \| good	5.106 \| good	41.242 \| good	0.55 \| good	3.707 \| good	0.176 \| good
2026-02-13T20:00:00.000Z	38 \| good	5.145 \| good	5.416 \| good	40.941 \| good	0.564 \| good	4.346 \| good	0.178 \| good
2026-02-13T21:00:00.000Z	38 \| good	5.843 \| good	6.097 \| good	40.639 \| good	0.578 \| good	4.984 \| good	0.181 \| good
2026-02-13T22:00:00.000Z	44 \| good	7.968 \| good	8.259 \| good	34.578 \| good	0.761 \| good	10.49 \| good	0.216 \| good
2026-02-13T23:00:00.000Z	54 \| moderate	11.377 \| good	11.76 \| good	28.517 \| good	0.944 \| good	15.995 \| good	0.251 \| good
2026-02-14T00:00:00.000Z	62 \| moderate	14.911 \| fine	15.378 \| good	22.456 \| good	1.127 \| good	21.5 \| good	0.286 \| good
2026-02-14T01:00:00.000Z	33 \| good	5.647 \| good	24.374 \| good	26.102 \| good	1.302 \| good	24.173 \| good	0.306 \| good
2026-02-14T02:00:00.000Z	73 \| moderate	21.058 \| fine	21.633 \| good	15.299 \| good	1.472 \| good	26.775 \| good	0.324 \| good
2026-02-14T03:00:00.000Z	75 \| moderate	22.361 \| fine	22.961 \| good	11.721 \| good	1.644 \| good	29.412 \| good	0.343 \| good

Madison

Get reliable air quality data to drive your business

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

0.10ppm

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 Madison, Connecticut?

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

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

In the past 24 hours, the air quality in Madison, Connecticut was at its worst at 02:00:00 on 2026-02-11.

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

In the last 24 hours, the best air quality in Madison, Connecticut was observed at 02:00:00 on 2026-02-12.

What is the AQI in Madison, Connecticut right now?

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

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

Madison, Connecticut air has the highest levels of O3.

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

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

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

PM_2.5 levels in Madison, Connecticut are currently 2.439 μg/m³.

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

The PM₁₀ concentration in Madison, Connecticut is 9.086 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Madison, Connecticut is 0.129 ppm.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO₂) concentration of 0.154 ppb.

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

The current ozone (O₃) level in Madison, Connecticut at the moment is 24.485 ppm.

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

Nitrogen dioxide (NO₂) level in Madison, Connecticut at the moment is 5.102 ppb.

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