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

The PM10 concentration in Madison, Connecticut is 63.224 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 0.496 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 76.648 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 5.078 ppb.

Live air quality index in Madison, Connecticut today

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

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)

Moderate

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)

11.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.68 μg/m³

155

255

425

605+

Ozone (O₃)

48.06 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.87 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 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
2025-07-28T20:00:00.000Z	52 \| moderate	10.38 \| good	41.354 \| good	50.503 \| good	0.314 \| good	9.725 \| good	0.23 \| good
2025-07-28T21:00:00.000Z	54 \| moderate	11.184 \| good	31.4 \| good	50.87 \| good	0.232 \| good	5.766 \| good	0.258 \| good
2025-07-28T22:00:00.000Z	56 \| moderate	12.218 \| fine	53.149 \| good	54.381 \| good	0.194 \| good	5.719 \| good	0.257 \| good
2025-07-28T23:00:00.000Z	60 \| moderate	14.355 \| fine	34.467 \| good	53.051 \| good	0.224 \| good	3.865 \| good	0.24 \| good
2025-07-29T00:00:00.000Z	60 \| moderate	13.671 \| fine	38.592 \| good	53.446 \| good	0.294 \| good	5.52 \| good	0.27 \| good
2025-07-29T01:00:00.000Z	58 \| moderate	12.794 \| fine	36.74 \| good	44.731 \| good	0.231 \| good	4.034 \| good	0.272 \| good
2025-07-29T02:00:00.000Z	58 \| moderate	13.493 \| fine	29.187 \| good	41.263 \| good	0.316 \| good	6.292 \| good	0.267 \| good
2025-07-29T03:00:00.000Z	62 \| moderate	14.888 \| fine	22.35 \| good	33.498 \| good	0.285 \| good	7.814 \| good	0.321 \| good
2025-07-29T04:00:00.000Z	58 \| moderate	13.354 \| fine	41.659 \| good	33.554 \| good	0.235 \| good	6.657 \| good	0.321 \| good
2025-07-29T05:00:00.000Z	62 \| moderate	14.593 \| fine	38.006 \| good	32.195 \| good	0.866 \| good	7.38 \| good	0.355 \| good
2025-07-29T06:00:00.000Z	62 \| moderate	14.833 \| fine	60.723 \| fine	27.404 \| good	0.656 \| good	8.047 \| good	0.284 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	13.773 \| fine	61.092 \| fine	23.453 \| good	0.655 \| good	5.321 \| good	0.367 \| good
2025-07-29T08:00:00.000Z	60 \| moderate	13.593 \| fine	58.07 \| fine	15.231 \| good	0.328 \| good	5.803 \| good	0.367 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	14.39 \| fine	58.762 \| fine	20.05 \| good	0.3 \| good	7.585 \| good	0.294 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	14.432 \| fine	52.654 \| good	11.034 \| good	0.287 \| good	6.595 \| good	0.366 \| good
2025-07-29T11:00:00.000Z	64 \| moderate	15.571 \| fine	37.109 \| good	8.08 \| good	0.268 \| good	11.82 \| good	0.405 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	14.353 \| fine	27.505 \| good	7.795 \| good	0.244 \| good	13.508 \| good	0.498 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.584 \| fine	28.702 \| good	12.091 \| good	0.337 \| good	12.644 \| good	0.51 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	14.069 \| fine	42.903 \| good	14.275 \| good	0.45 \| good	18.239 \| good	0.382 \| good
2025-07-29T15:00:00.000Z	62 \| moderate	14.727 \| fine	43.515 \| good	21.278 \| good	0.848 \| good	25.618 \| good	0.401 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	14.325 \| fine	40.148 \| good	28.99 \| good	0.779 \| good	19.894 \| good	0.363 \| good
2025-07-29T17:00:00.000Z	60 \| moderate	14.185 \| fine	54.417 \| good	39.331 \| good	0.554 \| good	15.506 \| good	0.363 \| good
2025-07-29T18:00:00.000Z	67 \| moderate	17.761 \| fine	42.873 \| good	46.809 \| good	0.461 \| good	11.813 \| good	0.492 \| good
2025-07-29T19:00:00.000Z	74 \| moderate	12.972 \| fine	37.512 \| good	61.595 \| fine	0.438 \| good	11.872 \| good	0.321 \| good
2025-07-29T20:00:00.000Z	74 \| moderate	14.091 \| fine	30.314 \| good	61.735 \| fine	0.558 \| good	24.217 \| good	0.297 \| good
2025-07-29T21:00:00.000Z	147 \| sensitive	12.501 \| fine	28.729 \| good	83.59 \| moderate	0.618 \| good	23.929 \| good	0.26 \| good
2025-07-29T22:00:00.000Z	133 \| sensitive	10.717 \| good	30.774 \| good	79.898 \| moderate	0.43 \| good	3.057 \| good	0.259 \| good
2025-07-29T23:00:00.000Z	126 \| sensitive	11.687 \| good	60.059 \| fine	78.28 \| moderate	0.476 \| good	3.722 \| good	0.26 \| good
2025-07-30T00:00:00.000Z	122 \| sensitive	14.312 \| fine	63.224 \| fine	76.648 \| moderate	0.496 \| good	5.078 \| good	0.274 \| good
2025-07-30T01:00:00.000Z	101 \| sensitive	13.081 \| fine	48.527 \| good	71.152 \| moderate	0.468 \| good	4.368 \| good	0.244 \| good
2025-07-30T02:00:00.000Z	84 \| moderate	11.346 \| good	27.907 \| good	65.479 \| fine	0.505 \| good	5.922 \| good	0.31 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	24.217 \| fine	105.204 \| fine	44.198 \| good	0.861 \| good	8.448 \| good	0.275 \| good
2025-07-30T04:00:00.000Z	61 \| moderate	13.395 \| fine	40.624 \| good	57.526 \| fine	0.405 \| good	15.954 \| good	0.268 \| good
2025-07-30T05:00:00.000Z	60 \| moderate	13.829 \| fine	60.561 \| fine	54.963 \| good	0.487 \| good	17.265 \| good	0.254 \| good
2025-07-30T06:00:00.000Z	60 \| moderate	13.654 \| fine	34.375 \| good	46.308 \| good	0.381 \| good	14.342 \| good	0.248 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	16.786 \| fine	60.878 \| fine	46.067 \| good	0.259 \| good	13.247 \| good	0.237 \| good
2025-07-30T08:00:00.000Z	66 \| moderate	16.73 \| fine	62.737 \| fine	34.466 \| good	0.308 \| good	11.776 \| good	0.237 \| good
2025-07-30T09:00:00.000Z	62 \| moderate	14.624 \| fine	59.632 \| fine	23.669 \| good	0.233 \| good	12.728 \| good	0.22 \| good
2025-07-30T10:00:00.000Z	60 \| moderate	14.17 \| fine	64.831 \| fine	19.533 \| good	0.203 \| good	10.97 \| good	0.298 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.651 \| good	55.92 \| fine	14.236 \| good	0.215 \| good	18.553 \| good	0.277 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	10.279 \| good	42.201 \| good	14.658 \| good	0.225 \| good	14.8 \| good	0.311 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	10.033 \| good	40.169 \| good	19.228 \| good	0.253 \| good	9.306 \| good	0.284 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	9.653 \| good	43.055 \| good	27.773 \| good	0.281 \| good	7.696 \| good	0.247 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.981 \| good	29.239 \| good	27.645 \| good	0.37 \| good	8.228 \| good	0.314 \| good
2025-07-30T16:00:00.000Z	52 \| moderate	10.365 \| good	20.694 \| good	36.978 \| good	0.405 \| good	9.909 \| good	0.493 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.57 \| good	36.732 \| good	46.812 \| good	0.407 \| good	8.452 \| good	0.277 \| good
2025-07-30T18:00:00.000Z	56 \| moderate	11.686 \| good	37.676 \| good	48.057 \| good	0.321 \| good	7.87 \| good	0.249 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	10.273 \| good	51.2 \| good	55.273 \| fine	0.335 \| good	7.629 \| good	0.221 \| good
2025-07-30T19:00:00.000Z	56 \| moderate	11.686 \| good	37.676 \| good	48.057 \| good	0.321 \| good	7.87 \| good	0.249 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	22.635 \| fine	99.229 \| fine	46.795 \| good	0.814 \| good	7.344 \| good	0.27 \| good
2025-07-30T02:00:00.000Z	77 \| moderate	22.775 \| fine	99.892 \| fine	40.95 \| good	0.836 \| good	7.417 \| good	0.265 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	23.749 \| fine	104.285 \| fine	39.882 \| good	0.857 \| good	7.489 \| good	0.259 \| good
2025-07-30T04:00:00.000Z	77 \| moderate	23.285 \| fine	102.391 \| fine	33.256 \| good	0.826 \| good	7.007 \| good	0.248 \| good
2025-07-30T05:00:00.000Z	75 \| moderate	21.902 \| fine	95.683 \| fine	30.068 \| good	0.794 \| good	6.526 \| good	0.236 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	19.488 \| fine	85.81 \| fine	21.818 \| good	0.762 \| good	6.044 \| good	0.225 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	17.077 \| fine	75.725 \| fine	16.936 \| good	0.724 \| good	5.504 \| good	0.215 \| good
2025-07-30T08:00:00.000Z	62 \| moderate	15.189 \| fine	68.335 \| fine	17.37 \| good	0.686 \| good	4.964 \| good	0.206 \| good
2025-07-30T09:00:00.000Z	67 \| moderate	17.624 \| fine	78.354 \| fine	17.576 \| good	0.648 \| good	4.423 \| good	0.196 \| good
2025-07-30T10:00:00.000Z	66 \| moderate	17.116 \| fine	76.374 \| fine	15.95 \| good	0.638 \| good	4.517 \| good	0.202 \| good
2025-07-30T11:00:00.000Z	69 \| moderate	19.16 \| fine	84.441 \| fine	22.04 \| good	0.628 \| good	4.61 \| good	0.209 \| good
2025-07-30T12:00:00.000Z	75 \| moderate	21.537 \| fine	94.874 \| fine	30.295 \| good	0.618 \| good	4.704 \| good	0.215 \| good
2025-07-30T13:00:00.000Z	75 \| moderate	22.232 \| fine	97.644 \| fine	39.861 \| good	0.628 \| good	4.886 \| good	0.232 \| good
2025-07-30T14:00:00.000Z	75 \| moderate	22.167 \| fine	96.618 \| fine	46.674 \| good	0.637 \| good	5.068 \| good	0.249 \| good
2025-07-30T15:00:00.000Z	77 \| moderate	23.212 \| fine	102.208 \| fine	53.784 \| good	0.647 \| good	5.25 \| good	0.267 \| good
2025-07-30T16:00:00.000Z	79 \| moderate	23.521 \| fine	102.845 \| fine	61.676 \| fine	0.639 \| good	4.252 \| good	0.266 \| good
2025-07-30T17:00:00.000Z	79 \| moderate	24.247 \| fine	106.258 \| fine	60.814 \| fine	0.631 \| good	3.254 \| good	0.266 \| good
2025-07-30T18:00:00.000Z	90 \| moderate	24.48 \| fine	106.865 \| fine	66.524 \| fine	0.623 \| good	2.256 \| good	0.265 \| good
2025-07-30T19:00:00.000Z	101 \| sensitive	24.304 \| fine	105.644 \| fine	71.14 \| moderate	0.638 \| good	2.268 \| good	0.252 \| good
2025-07-30T20:00:00.000Z	101 \| sensitive	23.27 \| fine	101.761 \| fine	70.629 \| fine	0.652 \| good	2.28 \| good	0.239 \| good
2025-07-30T21:00:00.000Z	115 \| sensitive	25.736 \| fine	111.809 \| fine	74.863 \| moderate	0.667 \| good	2.291 \| good	0.226 \| good
2025-07-30T22:00:00.000Z	140 \| sensitive	28.32 \| fine	122.902 \| fine	82.486 \| moderate	0.688 \| good	4.014 \| good	0.236 \| good
2025-07-30T23:00:00.000Z	119 \| sensitive	27.529 \| fine	119.894 \| fine	75.548 \| moderate	0.709 \| good	5.737 \| good	0.247 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.836 \| fine	99.786 \| fine	59.235 \| fine	0.73 \| good	7.46 \| good	0.257 \| good
2025-07-31T01:00:00.000Z	73 \| moderate	20.512 \| fine	89.752 \| fine	49.312 \| good	0.782 \| good	7.957 \| good	0.263 \| good
2025-07-31T02:00:00.000Z	67 \| moderate	17.815 \| fine	78.356 \| fine	46.099 \| good	0.834 \| good	8.454 \| good	0.27 \| good
2025-07-31T03:00:00.000Z	62 \| moderate	15.377 \| fine	68.455 \| fine	45.018 \| good	0.886 \| good	8.95 \| good	0.276 \| good
2025-07-31T04:00:00.000Z	58 \| moderate	13.085 \| fine	59.094 \| fine	41.57 \| good	0.912 \| good	9.283 \| good	0.277 \| good
2025-07-31T05:00:00.000Z	56 \| moderate	12.159 \| fine	54.99 \| good	38.385 \| good	0.937 \| good	9.615 \| good	0.278 \| good
2025-07-31T06:00:00.000Z	56 \| moderate	11.51 \| good	51.073 \| good	32.126 \| good	0.962 \| good	9.947 \| good	0.279 \| good
2025-07-31T07:00:00.000Z	54 \| moderate	11.31 \| good	50.043 \| good	31.227 \| good	0.946 \| good	8.555 \| good	0.26 \| good
2025-07-31T08:00:00.000Z	54 \| moderate	11.322 \| good	50.025 \| good	33.173 \| good	0.929 \| good	7.163 \| good	0.242 \| good
2025-07-31T09:00:00.000Z	56 \| moderate	12.374 \| fine	55.933 \| fine	32.617 \| good	0.912 \| good	5.771 \| good	0.224 \| good
2025-07-31T10:00:00.000Z	58 \| moderate	12.946 \| fine	58.472 \| fine	30.143 \| good	0.853 \| good	5.134 \| good	0.216 \| good
2025-07-31T11:00:00.000Z	62 \| moderate	14.773 \| fine	66.394 \| fine	27.502 \| good	0.793 \| good	4.497 \| good	0.209 \| good
2025-07-31T12:00:00.000Z	73 \| moderate	21.082 \| fine	92.47 \| fine	33.085 \| good	0.734 \| good	3.86 \| good	0.202 \| good
2025-07-31T13:00:00.000Z	73 \| moderate	21.243 \| fine	93.468 \| fine	36.38 \| good	0.746 \| good	3.988 \| good	0.211 \| good
2025-07-31T14:00:00.000Z	73 \| moderate	21.076 \| fine	92.201 \| fine	38.189 \| good	0.759 \| good	4.116 \| good	0.221 \| good
2025-07-31T15:00:00.000Z	73 \| moderate	21.074 \| fine	92.25 \| fine	45.432 \| good	0.771 \| good	4.245 \| good	0.231 \| good
2025-07-31T16:00:00.000Z	71 \| moderate	20.434 \| fine	90.046 \| fine	52.357 \| good	0.712 \| good	3.644 \| good	0.235 \| good
2025-07-31T17:00:00.000Z	71 \| moderate	19.885 \| fine	87.643 \| fine	51.64 \| good	0.652 \| good	3.042 \| good	0.238 \| good
2025-07-31T18:00:00.000Z	69 \| moderate	19.04 \| fine	84.124 \| fine	48.518 \| good	0.593 \| good	2.441 \| good	0.242 \| good
2025-07-31T19:00:00.000Z	64 \| moderate	16.334 \| fine	72.29 \| fine	43.557 \| good	0.536 \| good	2.713 \| good	0.238 \| good
2025-07-31T20:00:00.000Z	62 \| moderate	14.766 \| fine	65.734 \| fine	40.729 \| good	0.479 \| good	2.986 \| good	0.234 \| good
2025-07-31T21:00:00.000Z	60 \| moderate	14.263 \| fine	63.645 \| fine	37.237 \| good	0.422 \| good	3.258 \| good	0.23 \| good
2025-07-31T22:00:00.000Z	56 \| moderate	11.838 \| good	52.119 \| good	34.85 \| good	0.394 \| good	4.306 \| good	0.228 \| good
2025-07-31T23:00:00.000Z	54 \| moderate	11.421 \| good	50.697 \| good	29.313 \| good	0.366 \| good	5.355 \| good	0.226 \| good
2025-08-01T00:00:00.000Z	62 \| moderate	15.129 \| fine	18.656 \| good	53.939 \| good	0.336 \| good	6.388 \| good	0.223 \| good

Madison

Get reliable air quality data to drive your business

Madison, 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 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 09:00:00 on 2025-07-29.

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 04:00:00 on 2025-07-29.

What is the AQI in Madison, Connecticut right now?

As of now, the AQI in Madison, Connecticut is 122, indicating Unhealthy for Sensitive Groups 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 14.312 μg/m³.

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

The PM₁₀ concentration in Madison, Connecticut is 63.224 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 0.274 ppm.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO₂) concentration of 0.496 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 76.648 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 5.078 ppb.

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