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

The PM10 concentration in Madison, Connecticut is 27.04 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 0.451 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 28.977 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 4.884 ppb.

Real-time 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)

10.36 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.04 μg/m³

155

255

425

605+

Ozone (O₃)

28.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.88 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2025-06-05T12:00:00.000Z	60 \| moderate	13.853 \| fine	41.321 \| good	24.696 \| good	0.462 \| good	20.059 \| good	0.399 \| good
2025-06-05T13:00:00.000Z	54 \| moderate	11.062 \| good	22.293 \| good	24.643 \| good	0.44 \| good	25.388 \| good	0.438 \| good
2025-06-05T14:00:00.000Z	64 \| moderate	15.608 \| fine	63.88 \| fine	22.254 \| good	0.513 \| good	21.525 \| good	0.354 \| good
2025-06-05T15:00:00.000Z	60 \| moderate	13.84 \| fine	50.974 \| good	24.949 \| good	0.905 \| good	22.787 \| good	0.343 \| good
2025-06-05T16:00:00.000Z	66 \| moderate	16.56 \| fine	54.784 \| good	33.504 \| good	0.96 \| good	35.337 \| good	0.343 \| good
2025-06-05T17:00:00.000Z	67 \| moderate	17.983 \| fine	78.076 \| fine	45.535 \| good	0.802 \| good	29.533 \| good	0.342 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	19.283 \| fine	43.941 \| good	45.568 \| good	0.756 \| good	22.179 \| good	0.352 \| good
2025-06-05T19:00:00.000Z	69 \| moderate	18.557 \| fine	35.335 \| good	59.375 \| fine	0.825 \| good	37.369 \| good	0.342 \| good
2025-06-05T20:00:00.000Z	90 \| moderate	17.899 \| fine	79.871 \| fine	67.369 \| fine	0.71 \| good	24.064 \| good	0.383 \| good
2025-06-05T21:00:00.000Z	122 \| sensitive	18.957 \| fine	44.699 \| good	76.855 \| moderate	0.638 \| good	14.452 \| good	0.355 \| good
2025-06-05T22:00:00.000Z	140 \| sensitive	19.527 \| fine	64.926 \| fine	82.125 \| moderate	0.542 \| good	13.361 \| good	0.401 \| good
2025-06-05T23:00:00.000Z	147 \| sensitive	17.804 \| fine	65.694 \| fine	84.371 \| moderate	0.547 \| good	20.349 \| good	0.384 \| good
2025-06-06T00:00:00.000Z	105 \| sensitive	16.498 \| fine	58.551 \| fine	72.489 \| moderate	0.507 \| good	20.789 \| good	0.385 \| good
2025-06-06T01:00:00.000Z	93 \| moderate	18.534 \| fine	74.419 \| fine	67.937 \| fine	0.534 \| good	9.912 \| good	0.345 \| good
2025-06-06T02:00:00.000Z	77 \| moderate	18.189 \| fine	61.231 \| fine	62.569 \| fine	0.83 \| good	8.358 \| good	0.318 \| good
2025-06-06T03:00:00.000Z	66 \| moderate	16.884 \| fine	72.822 \| fine	50.241 \| good	0.668 \| good	14.838 \| good	0.327 \| good
2025-06-06T04:00:00.000Z	67 \| moderate	17.795 \| fine	77.672 \| fine	50.206 \| good	0.456 \| good	10.088 \| good	0.257 \| good
2025-06-06T05:00:00.000Z	66 \| moderate	17.11 \| fine	48.457 \| good	42.619 \| good	0.366 \| good	16.334 \| good	0.23 \| good
2025-06-06T06:00:00.000Z	64 \| moderate	16.336 \| fine	49.877 \| good	40.448 \| good	0.419 \| good	17.334 \| good	0.189 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.3 \| fine	34.695 \| good	40.528 \| good	0.386 \| good	12.16 \| good	0.181 \| good
2025-06-06T08:00:00.000Z	66 \| moderate	17.447 \| fine	73.057 \| fine	31.038 \| good	0.341 \| good	11.744 \| good	0.19 \| good
2025-06-06T09:00:00.000Z	62 \| moderate	15.448 \| fine	41.843 \| good	31.559 \| good	0.54 \| good	7.128 \| good	0.191 \| good
2025-06-06T10:00:00.000Z	66 \| moderate	16.63 \| fine	65.953 \| fine	35.745 \| good	0.558 \| good	22.729 \| good	0.191 \| good
2025-06-06T11:00:00.000Z	69 \| moderate	19.293 \| fine	58.37 \| fine	31.773 \| good	0.315 \| good	22.78 \| good	0.288 \| good
2025-06-06T12:00:00.000Z	64 \| moderate	16.14 \| fine	68.647 \| fine	26.929 \| good	0.496 \| good	13.648 \| good	0.322 \| good
2025-06-06T13:00:00.000Z	62 \| moderate	14.717 \| fine	63.807 \| fine	26.496 \| good	0.379 \| good	20.646 \| good	0.262 \| good
2025-06-06T14:00:00.000Z	71 \| moderate	19.541 \| fine	80.241 \| fine	26.593 \| good	0.382 \| good	15.397 \| good	0.248 \| good
2025-06-06T15:00:00.000Z	71 \| moderate	20.02 \| fine	85.61 \| fine	32.841 \| good	0.38 \| good	15.217 \| good	0.289 \| good
2025-06-06T16:00:00.000Z	73 \| moderate	20.511 \| fine	86.083 \| fine	39.778 \| good	0.348 \| good	6.967 \| good	0.289 \| good
2025-06-06T17:00:00.000Z	77 \| moderate	22.585 \| fine	86.684 \| fine	43.039 \| good	0.294 \| good	8.415 \| good	0.315 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	17.944 \| fine	59.946 \| fine	60.347 \| fine	0.441 \| good	9.918 \| good	0.315 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	17.292 \| fine	56.278 \| fine	64.651 \| fine	0.363 \| good	8.406 \| good	0.334 \| good
2025-06-06T20:00:00.000Z	87 \| moderate	18.377 \| fine	39.853 \| good	66.093 \| fine	0.351 \| good	9.196 \| good	0.298 \| good
2025-06-06T21:00:00.000Z	84 \| moderate	17.401 \| fine	68.121 \| fine	64.721 \| fine	0.376 \| good	10.529 \| good	0.335 \| good
2025-06-06T22:00:00.000Z	74 \| moderate	17.359 \| fine	40.148 \| good	61.892 \| fine	0.373 \| good	10.039 \| good	0.295 \| good
2025-06-06T23:00:00.000Z	58 \| moderate	13.201 \| fine	42.946 \| good	54.963 \| good	0.481 \| good	17.141 \| good	0.305 \| good
2025-06-07T00:00:00.000Z	62 \| moderate	15.003 \| fine	44.237 \| good	50.564 \| good	0.3 \| good	14.937 \| good	0.251 \| good
2025-06-07T01:00:00.000Z	54 \| moderate	11.33 \| good	37.54 \| good	40.748 \| good	0.26 \| good	8.296 \| good	0.176 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	12.367 \| fine	29.876 \| good	35.767 \| good	0.481 \| good	8.395 \| good	0.192 \| good
2025-06-07T03:00:00.000Z	54 \| moderate	11.332 \| good	36.315 \| good	30.896 \| good	0.541 \| good	4.406 \| good	0.171 \| good
2025-06-07T04:00:00.000Z	56 \| moderate	12.067 \| good	30.557 \| good	30.89 \| good	0.549 \| good	5.271 \| good	0.169 \| good
2025-06-07T05:00:00.000Z	56 \| moderate	11.86 \| good	21.346 \| good	32.614 \| good	0.954 \| good	4.505 \| good	0.285 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	11.236 \| good	20.625 \| good	34.041 \| good	0.922 \| good	4.092 \| good	0.274 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	10.765 \| good	26.89 \| good	34.472 \| good	0.497 \| good	5.284 \| good	0.27 \| good
2025-06-07T08:00:00.000Z	54 \| moderate	11.119 \| good	32.045 \| good	14.802 \| good	0.515 \| good	5.744 \| good	0.312 \| good
2025-06-07T09:00:00.000Z	52 \| moderate	10.464 \| good	25.567 \| good	32.041 \| good	0.499 \| good	11.34 \| good	0.204 \| good
2025-06-07T10:00:00.000Z	54 \| moderate	10.665 \| good	26.948 \| good	29.824 \| good	0.502 \| good	9.433 \| good	0.171 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.36 \| good	27.04 \| good	28.977 \| good	0.451 \| good	4.884 \| good	0.227 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.36 \| good	27.04 \| good	28.977 \| good	0.451 \| good	4.884 \| good	0.227 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.679 \| good	43.072 \| good	31.873 \| good	0.177 \| good	3.801 \| good	0.163 \| good
2025-06-07T13:00:00.000Z	52 \| moderate	10.37 \| good	45.98 \| good	33.309 \| good	0.461 \| good	5.253 \| good	0.17 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	11.051 \| good	48.998 \| good	32.208 \| good	0.354 \| good	5.494 \| good	0.179 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	11.416 \| good	50.356 \| good	27.799 \| good	0.246 \| good	5.735 \| good	0.188 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.557 \| good	51.302 \| good	31.307 \| good	0.697 \| good	5.119 \| good	0.196 \| good
2025-06-07T17:00:00.000Z	56 \| moderate	11.97 \| good	53.132 \| good	39.57 \| good	0.564 \| good	5.715 \| good	0.209 \| good
2025-06-07T18:00:00.000Z	54 \| moderate	10.5 \| good	46.084 \| good	45.956 \| good	0.431 \| good	6.311 \| good	0.222 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	10.08 \| good	44.518 \| good	49.761 \| good	0.58 \| good	4.851 \| good	0.208 \| good
2025-06-07T20:00:00.000Z	56 \| moderate	11.517 \| good	51.393 \| good	54.233 \| good	0.505 \| good	5.495 \| good	0.215 \| good
2025-06-07T21:00:00.000Z	56 \| moderate	11.558 \| good	51.415 \| good	53.808 \| good	0.43 \| good	6.138 \| good	0.222 \| good
2025-06-07T22:00:00.000Z	49 \| good	9.227 \| good	40.67 \| good	50.075 \| good	0.511 \| good	6.255 \| good	0.218 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	10.149 \| good	45.392 \| good	48.048 \| good	0.457 \| good	6.606 \| good	0.214 \| good
2025-06-08T00:00:00.000Z	38 \| good	5.695 \| good	24.84 \| good	41.456 \| good	0.403 \| good	6.957 \| good	0.211 \| good
2025-06-08T01:00:00.000Z	38 \| good	6.508 \| good	28.755 \| good	38.989 \| good	0.54 \| good	7.566 \| good	0.252 \| good
2025-06-08T02:00:00.000Z	49 \| good	8.719 \| good	38.419 \| good	36.389 \| good	0.514 \| good	7.588 \| good	0.246 \| good
2025-06-08T03:00:00.000Z	54 \| moderate	11.358 \| good	50.522 \| good	35.221 \| good	0.488 \| good	7.61 \| good	0.24 \| good
2025-06-08T04:00:00.000Z	56 \| moderate	12.231 \| fine	54.91 \| good	32.335 \| good	0.536 \| good	4.753 \| good	0.262 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	13.137 \| fine	59.061 \| fine	25.767 \| good	0.521 \| good	4.818 \| good	0.258 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	13.286 \| fine	60.267 \| fine	18.486 \| good	0.505 \| good	4.884 \| good	0.255 \| good
2025-06-08T07:00:00.000Z	58 \| moderate	12.564 \| fine	56.778 \| fine	16.308 \| good	0.476 \| good	2.677 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	56 \| moderate	12.062 \| good	54.575 \| good	14.555 \| good	0.444 \| good	2.747 \| good	0.252 \| good
2025-06-08T09:00:00.000Z	56 \| moderate	12.274 \| fine	55.426 \| fine	10.501 \| good	0.411 \| good	2.816 \| good	0.244 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	14.396 \| fine	64.482 \| fine	14.353 \| good	0.404 \| good	3.239 \| good	0.235 \| good
2025-06-08T11:00:00.000Z	64 \| moderate	15.852 \| fine	70.895 \| fine	20.611 \| good	0.392 \| good	3.447 \| good	0.225 \| good
2025-06-08T12:00:00.000Z	67 \| moderate	18.22 \| fine	80.845 \| fine	23.899 \| good	0.379 \| good	3.655 \| good	0.215 \| good
2025-06-08T13:00:00.000Z	66 \| moderate	16.571 \| fine	73.277 \| fine	25.167 \| good	0.31 \| good	2.68 \| good	0.204 \| good
2025-06-08T14:00:00.000Z	58 \| moderate	13.482 \| fine	60.404 \| fine	22.922 \| good	0.3 \| good	2.745 \| good	0.199 \| good
2025-06-08T15:00:00.000Z	58 \| moderate	12.639 \| fine	56.887 \| fine	29.676 \| good	0.29 \| good	2.811 \| good	0.194 \| good
2025-06-08T16:00:00.000Z	62 \| moderate	15.336 \| fine	68.679 \| fine	37.797 \| good	0.267 \| good	2.02 \| good	0.207 \| good
2025-06-08T17:00:00.000Z	64 \| moderate	16.321 \| fine	72.414 \| fine	45.583 \| good	0.255 \| good	2.117 \| good	0.206 \| good
2025-06-08T18:00:00.000Z	60 \| moderate	13.891 \| fine	61.889 \| fine	48.618 \| good	0.244 \| good	2.214 \| good	0.206 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	12.399 \| fine	55.741 \| fine	46.398 \| good	0.274 \| good	2.315 \| good	0.208 \| good
2025-06-08T20:00:00.000Z	58 \| moderate	12.824 \| fine	57.644 \| fine	46.124 \| good	0.247 \| good	2.495 \| good	0.208 \| good
2025-06-08T21:00:00.000Z	56 \| moderate	11.898 \| good	52.762 \| good	49.174 \| good	0.221 \| good	2.675 \| good	0.207 \| good
2025-06-08T22:00:00.000Z	54 \| moderate	11.285 \| good	50.004 \| good	46.413 \| good	0.352 \| good	6.034 \| good	0.246 \| good
2025-06-08T23:00:00.000Z	54 \| moderate	10.922 \| good	48.404 \| good	48.625 \| good	0.315 \| good	6.307 \| good	0.249 \| good
2025-06-09T00:00:00.000Z	49 \| good	8.816 \| good	38.496 \| good	44.89 \| good	0.278 \| good	6.579 \| good	0.251 \| good
2025-06-09T01:00:00.000Z	52 \| moderate	9.521 \| good	42.365 \| good	45.434 \| good	0.507 \| good	7.936 \| good	0.27 \| good
2025-06-09T02:00:00.000Z	52 \| moderate	9.557 \| good	42.37 \| good	46.937 \| good	0.463 \| good	7.938 \| good	0.274 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	9.72 \| good	43.28 \| good	50.098 \| good	0.418 \| good	7.94 \| good	0.278 \| good
2025-06-09T04:00:00.000Z	52 \| moderate	9.684 \| good	43.043 \| good	46.529 \| good	0.597 \| good	9.674 \| good	0.291 \| good
2025-06-09T05:00:00.000Z	49 \| good	9.46 \| good	42.216 \| good	39.59 \| good	0.551 \| good	9.349 \| good	0.292 \| good
2025-06-09T06:00:00.000Z	54 \| moderate	10.577 \| good	11.298 \| good	31.101 \| good	0.504 \| good	9.027 \| good	0.293 \| good
2025-06-09T07:00:00.000Z	44 \| good	7.886 \| good	34.435 \| good	31.804 \| good	0.641 \| good	8.136 \| good	0.289 \| good
2025-06-09T08:00:00.000Z	38 \| good	7.369 \| good	32.339 \| good	30.27 \| good	0.621 \| good	7.698 \| good	0.286 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.537 \| good	33.303 \| good	30.631 \| good	0.601 \| good	7.259 \| good	0.284 \| good
2025-06-09T10:00:00.000Z	38 \| good	7.257 \| good	32.042 \| good	27.115 \| good	0.768 \| good	4.509 \| good	0.261 \| good
2025-06-09T11:00:00.000Z	38 \| good	7.241 \| good	32.022 \| good	30.744 \| good	0.744 \| good	4.627 \| good	0.26 \| good

Madison

Get reliable air quality data to drive your business

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

0.11ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 08:00:00 on 2025-06-06.

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 09:00:00 on 2025-06-07.

What is the AQI in Madison, Connecticut right now?

As of now, the AQI in Madison, Connecticut is 52, indicating Moderate conditions.

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

Madison, Connecticut air has the highest levels of PM2.5.

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 10.36 μg/m³.

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

The PM₁₀ concentration in Madison, Connecticut is 27.04 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 0.227 ppm.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO₂) concentration of 0.451 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 28.977 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 4.884 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions