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

The PM10 concentration in Madison, Connecticut is 23.791 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 0.282 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 32.946 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 7.291 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 10.183 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)

9.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.35 μg/m³

155

255

425

605+

Ozone (O₃)

44.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.29 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-06-27T19:00:00.000Z	40 \| good	6.122 \| good	17.466 \| good	42.963 \| good	0.314 \| good	10.101 \| good	0.224 \| good
2026-06-27T20:00:00.000Z	46 \| good	6.986 \| good	14.241 \| good	49.861 \| good	0.186 \| good	7.371 \| good	0.198 \| good
2026-06-27T21:00:00.000Z	47 \| good	6.479 \| good	14.866 \| good	50.605 \| good	0.195 \| good	5.821 \| good	0.158 \| good
2026-06-27T22:00:00.000Z	47 \| good	6.8 \| good	16.775 \| good	50.825 \| good	0.248 \| good	7.111 \| good	0.184 \| good
2026-06-27T23:00:00.000Z	49 \| good	7.963 \| good	29.088 \| good	52.586 \| good	0.213 \| good	5.909 \| good	0.214 \| good
2026-06-28T00:00:00.000Z	44 \| good	5.92 \| good	27.597 \| good	48.082 \| good	0.142 \| good	8.525 \| good	0.265 \| good
2026-06-28T01:00:00.000Z	45 \| good	7.741 \| good	29.472 \| good	49.393 \| good	0.183 \| good	10.098 \| good	0.225 \| good
2026-06-28T02:00:00.000Z	52 \| moderate	10.107 \| good	30.387 \| good	42.258 \| good	0.18 \| good	6.57 \| good	0.252 \| good
2026-06-28T03:00:00.000Z	58 \| moderate	12.97 \| fine	59.011 \| fine	38.29 \| good	0.397 \| good	6.765 \| good	0.235 \| good
2026-06-28T04:00:00.000Z	54 \| moderate	11.28 \| good	47.524 \| good	33.519 \| good	0.192 \| good	6.981 \| good	0.301 \| good
2026-06-28T05:00:00.000Z	49 \| good	9.037 \| good	19.398 \| good	29.682 \| good	0.146 \| good	10.144 \| good	0.341 \| good
2026-06-28T06:00:00.000Z	58 \| moderate	13.225 \| fine	43.727 \| good	29.926 \| good	0.132 \| good	9.053 \| good	0.341 \| good
2026-06-28T07:00:00.000Z	64 \| moderate	15.551 \| fine	66.969 \| fine	30.036 \| good	0.317 \| good	4.523 \| good	0.29 \| good
2026-06-28T08:00:00.000Z	60 \| moderate	14.038 \| fine	58.222 \| fine	30.291 \| good	0.156 \| good	7.304 \| good	0.304 \| good
2026-06-28T09:00:00.000Z	62 \| moderate	14.59 \| fine	59.2 \| fine	28.577 \| good	0.326 \| good	8.615 \| good	0.265 \| good
2026-06-28T10:00:00.000Z	56 \| moderate	12.339 \| fine	36.676 \| good	30.103 \| good	0.159 \| good	6.84 \| good	0.235 \| good
2026-06-28T11:00:00.000Z	56 \| moderate	11.607 \| good	51.718 \| good	26.768 \| good	0.325 \| good	8.341 \| good	0.284 \| good
2026-06-28T12:00:00.000Z	49 \| good	8.638 \| good	26.245 \| good	24.839 \| good	0.427 \| good	7.131 \| good	0.238 \| good
2026-06-28T13:00:00.000Z	49 \| good	9.13 \| good	34.406 \| good	28.189 \| good	0.62 \| good	6.343 \| good	0.199 \| good
2026-06-28T14:00:00.000Z	49 \| good	9.232 \| good	28.772 \| good	34.211 \| good	0.18 \| good	4.485 \| good	0.188 \| good
2026-06-28T15:00:00.000Z	52 \| moderate	10.344 \| good	37.807 \| good	33.233 \| good	0.187 \| good	4.089 \| good	0.161 \| good
2026-06-28T16:00:00.000Z	49 \| good	9.161 \| good	25.856 \| good	36.884 \| good	0.27 \| good	5.27 \| good	0.201 \| good
2026-06-28T17:00:00.000Z	52 \| moderate	9.869 \| good	26.264 \| good	37.381 \| good	0.215 \| good	5.556 \| good	0.171 \| good
2026-06-28T18:00:00.000Z	49 \| good	9.309 \| good	24.999 \| good	41.36 \| good	0.209 \| good	4.867 \| good	0.188 \| good
2026-06-28T19:00:00.000Z	49 \| good	8.65 \| good	26.01 \| good	46.038 \| good	0.173 \| good	3.299 \| good	0.228 \| good
2026-06-28T20:00:00.000Z	49 \| good	9.383 \| good	17.994 \| good	51.538 \| good	0.198 \| good	3.026 \| good	0.188 \| good
2026-06-28T21:00:00.000Z	49 \| good	8.906 \| good	24.678 \| good	51.388 \| good	0.226 \| good	4.154 \| good	0.188 \| good
2026-06-28T22:00:00.000Z	50 \| good	6.928 \| good	26.304 \| good	53.947 \| good	0.191 \| good	5.208 \| good	0.214 \| good
2026-06-28T23:00:00.000Z	49 \| good	7.13 \| good	18.467 \| good	52.81 \| good	0.162 \| good	6.086 \| good	0.187 \| good
2026-06-29T00:00:00.000Z	49 \| good	6.144 \| good	20.589 \| good	52.696 \| good	0.162 \| good	4.744 \| good	0.254 \| good
2026-06-29T01:00:00.000Z	45 \| good	6.695 \| good	17.304 \| good	49.361 \| good	0.165 \| good	4.381 \| good	0.197 \| good
2026-06-29T02:00:00.000Z	44 \| good	6.806 \| good	18.506 \| good	47.976 \| good	0.21 \| good	4.343 \| good	0.197 \| good
2026-06-29T03:00:00.000Z	52 \| moderate	10.216 \| good	45.155 \| good	37.95 \| good	0.307 \| good	3.755 \| good	0.182 \| good
2026-06-29T04:00:00.000Z	44 \| good	7.502 \| good	18.447 \| good	40.774 \| good	0.36 \| good	5.895 \| good	0.234 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.737 \| good	27.6 \| good	40.628 \| good	0.383 \| good	8.04 \| good	0.171 \| good
2026-06-29T06:00:00.000Z	38 \| good	7.309 \| good	22.816 \| good	33.662 \| good	0.156 \| good	7.849 \| good	0.184 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.813 \| good	27.345 \| good	32.08 \| good	0.428 \| good	7.112 \| good	0.176 \| good
2026-06-29T08:00:00.000Z	44 \| good	8.27 \| good	26.963 \| good	29.709 \| good	0.155 \| good	7.865 \| good	0.184 \| good
2026-06-29T09:00:00.000Z	38 \| good	7.086 \| good	21.981 \| good	28.999 \| good	0.156 \| good	5.873 \| good	0.193 \| good
2026-06-29T10:00:00.000Z	38 \| good	7.341 \| good	26.528 \| good	26.675 \| good	0.165 \| good	9.05 \| good	0.261 \| good
2026-06-29T11:00:00.000Z	52 \| moderate	9.559 \| good	24.961 \| good	27.839 \| good	0.159 \| good	6.946 \| good	0.262 \| good
2026-06-29T12:00:00.000Z	52 \| moderate	10.071 \| good	26.213 \| good	27.974 \| good	0.133 \| good	8.961 \| good	0.223 \| good
2026-06-29T13:00:00.000Z	49 \| good	8.829 \| good	22.659 \| good	23.746 \| good	0.195 \| good	8.369 \| good	0.229 \| good
2026-06-29T14:00:00.000Z	44 \| good	8.456 \| good	29.315 \| good	26.904 \| good	0.236 \| good	6.806 \| good	0.191 \| good
2026-06-29T15:00:00.000Z	49 \| good	9.315 \| good	29.881 \| good	30.874 \| good	0.27 \| good	5.7 \| good	0.19 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.242 \| good	40.815 \| good	31.493 \| good	0.244 \| good	6.308 \| good	0.207 \| good
2026-06-29T17:00:00.000Z	52 \| moderate	10.183 \| good	23.791 \| good	32.946 \| good	0.282 \| good	7.291 \| good	0.191 \| good
2026-06-29T18:00:00.000Z	49 \| good	9.496 \| good	24.348 \| good	44.976 \| good	0.307 \| good	7.291 \| good	0.201 \| good
2026-06-29T19:00:00.000Z	46 \| good	5.019 \| good	22.136 \| good	49.871 \| good	0.256 \| good	1.474 \| good	0.178 \| good
2026-06-29T20:00:00.000Z	45 \| good	6.531 \| good	28.941 \| good	48.979 \| good	0.236 \| good	1.643 \| good	0.18 \| good
2026-06-29T21:00:00.000Z	47 \| good	7.301 \| good	32.166 \| good	50.626 \| good	0.225 \| good	1.877 \| good	0.18 \| good
2026-06-29T22:00:00.000Z	48 \| good	7.685 \| good	33.933 \| good	51.676 \| good	0.225 \| good	2.239 \| good	0.179 \| good
2026-06-29T23:00:00.000Z	44 \| good	7.486 \| good	32.996 \| good	47.599 \| good	0.22 \| good	2.898 \| good	0.182 \| good
2026-06-30T00:00:00.000Z	44 \| good	8.199 \| good	36.011 \| good	44.604 \| good	0.228 \| good	3.642 \| good	0.183 \| good
2026-06-30T01:00:00.000Z	49 \| good	8.83 \| good	38.692 \| good	41.273 \| good	0.26 \| good	4.274 \| good	0.182 \| good
2026-06-30T02:00:00.000Z	49 \| good	9.397 \| good	41.823 \| good	37.318 \| good	0.29 \| good	4.18 \| good	0.174 \| good
2026-06-30T03:00:00.000Z	52 \| moderate	9.555 \| good	42.721 \| good	31.871 \| good	0.332 \| good	3.983 \| good	0.165 \| good
2026-06-30T04:00:00.000Z	52 \| moderate	9.619 \| good	42.975 \| good	25.622 \| good	0.355 \| good	4.287 \| good	0.161 \| good
2026-06-30T05:00:00.000Z	49 \| good	9.288 \| good	41.047 \| good	21.473 \| good	0.366 \| good	4.53 \| good	0.157 \| good
2026-06-30T06:00:00.000Z	52 \| moderate	9.864 \| good	43.974 \| good	23.945 \| good	0.395 \| good	4.827 \| good	0.152 \| good
2026-06-30T07:00:00.000Z	52 \| moderate	9.879 \| good	44.003 \| good	23.519 \| good	0.42 \| good	5.302 \| good	0.15 \| good
2026-06-30T08:00:00.000Z	52 \| moderate	10.095 \| good	45.004 \| good	19.172 \| good	0.446 \| good	5.857 \| good	0.149 \| good
2026-06-30T09:00:00.000Z	52 \| moderate	9.91 \| good	43.851 \| good	22.512 \| good	0.474 \| good	6.466 \| good	0.149 \| good
2026-06-30T10:00:00.000Z	52 \| moderate	9.747 \| good	43.673 \| good	19.976 \| good	0.488 \| good	7.326 \| good	0.152 \| good
2026-06-30T11:00:00.000Z	49 \| good	8.99 \| good	40.261 \| good	25.715 \| good	0.503 \| good	6.949 \| good	0.156 \| good
2026-06-30T12:00:00.000Z	49 \| good	8.605 \| good	37.707 \| good	29.611 \| good	0.574 \| good	6.533 \| good	0.165 \| good
2026-06-30T13:00:00.000Z	49 \| good	9.213 \| good	41.015 \| good	33.168 \| good	0.633 \| good	5.81 \| good	0.176 \| good
2026-06-30T14:00:00.000Z	52 \| moderate	10.384 \| good	46.028 \| good	38.031 \| good	0.644 \| good	4.847 \| good	0.184 \| good
2026-06-30T15:00:00.000Z	56 \| moderate	12.007 \| good	54.159 \| good	44.948 \| good	0.616 \| good	4.111 \| good	0.183 \| good
2026-06-30T16:00:00.000Z	58 \| moderate	12.747 \| fine	57.558 \| fine	54.706 \| good	0.556 \| good	3.473 \| good	0.179 \| good
2026-06-30T17:00:00.000Z	84 \| moderate	12.582 \| fine	56.287 \| fine	65.295 \| fine	0.511 \| good	2.735 \| good	0.172 \| good
2026-06-30T18:00:00.000Z	87 \| moderate	9.272 \| good	41.334 \| good	65.886 \| fine	0.478 \| good	2.05 \| good	0.163 \| good
2026-06-30T19:00:00.000Z	54 \| moderate	7.032 \| good	31.427 \| good	55.886 \| fine	0.441 \| good	1.543 \| good	0.152 \| good
2026-06-30T20:00:00.000Z	43 \| good	6.358 \| good	28.697 \| good	46.129 \| good	0.379 \| good	1.263 \| good	0.142 \| good
2026-06-30T21:00:00.000Z	40 \| good	4.883 \| good	21.067 \| good	42.757 \| good	0.301 \| good	1.225 \| good	0.136 \| good
2026-06-30T22:00:00.000Z	37 \| good	3.819 \| good	16.974 \| good	40.353 \| good	0.236 \| good	1.474 \| good	0.135 \| good
2026-06-30T23:00:00.000Z	35 \| good	3.492 \| good	15.362 \| good	37.859 \| good	0.195 \| good	1.868 \| good	0.135 \| good
2026-07-01T00:00:00.000Z	35 \| good	4.69 \| good	20.338 \| good	37.8 \| good	0.173 \| good	2.238 \| good	0.133 \| good
2026-07-01T01:00:00.000Z	33 \| good	4.987 \| good	21.327 \| good	35.794 \| good	0.184 \| good	2.447 \| good	0.132 \| good
2026-07-01T02:00:00.000Z	33 \| good	5.962 \| good	26.922 \| good	36.379 \| good	0.216 \| good	2.736 \| good	0.131 \| good
2026-07-01T03:00:00.000Z	38 \| good	6.772 \| good	30 \| good	38.003 \| good	0.252 \| good	3.055 \| good	0.131 \| good
2026-07-01T04:00:00.000Z	38 \| good	6.818 \| good	30.019 \| good	37.148 \| good	0.289 \| good	3.418 \| good	0.133 \| good
2026-07-01T05:00:00.000Z	38 \| good	6.563 \| good	29.048 \| good	35.936 \| good	0.329 \| good	3.729 \| good	0.134 \| good
2026-07-01T06:00:00.000Z	38 \| good	7.437 \| good	32.945 \| good	33.775 \| good	0.348 \| good	3.652 \| good	0.131 \| good
2026-07-01T07:00:00.000Z	44 \| good	8.146 \| good	35.536 \| good	29.878 \| good	0.357 \| good	3.386 \| good	0.128 \| good
2026-07-01T08:00:00.000Z	44 \| good	8.27 \| good	36.1 \| good	26.04 \| good	0.368 \| good	3.224 \| good	0.127 \| good
2026-07-01T09:00:00.000Z	38 \| good	7.495 \| good	32.828 \| good	17.905 \| good	0.378 \| good	3.217 \| good	0.127 \| good
2026-07-01T10:00:00.000Z	38 \| good	7.336 \| good	32.702 \| good	16.524 \| good	0.383 \| good	3.321 \| good	0.128 \| good
2026-07-01T11:00:00.000Z	44 \| good	7.712 \| good	33.789 \| good	23.795 \| good	0.383 \| good	3.16 \| good	0.13 \| good
2026-07-01T12:00:00.000Z	49 \| good	8.839 \| good	38.834 \| good	29.855 \| good	0.404 \| good	3.077 \| good	0.136 \| good
2026-07-01T13:00:00.000Z	54 \| moderate	11.247 \| good	49.681 \| good	35.091 \| good	0.457 \| good	2.822 \| good	0.144 \| good
2026-07-01T14:00:00.000Z	60 \| moderate	14.205 \| fine	63.126 \| fine	44.293 \| good	0.478 \| good	2.43 \| good	0.153 \| good
2026-07-01T15:00:00.000Z	69 \| moderate	18.656 \| fine	82.308 \| fine	59.85 \| fine	0.486 \| good	2.08 \| good	0.16 \| good
2026-07-01T16:00:00.000Z	105 \| sensitive	22.201 \| fine	97.709 \| fine	72.399 \| moderate	0.492 \| good	1.741 \| good	0.164 \| good
2026-07-01T17:00:00.000Z	122 \| sensitive	23 \| fine	100.394 \| fine	76.738 \| moderate	0.492 \| good	1.456 \| good	0.165 \| good
2026-07-01T18:00:00.000Z	129 \| sensitive	22.451 \| fine	98.173 \| fine	79.075 \| moderate	0.463 \| good	1.269 \| good	0.162 \| 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

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 05:00:00 on 2026-06-29.

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 10:00:00 on 2026-06-29.

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 10.183 μg/m³.

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

The PM₁₀ concentration in Madison, Connecticut is 23.791 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 0.191 ppm.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO₂) concentration of 0.282 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 32.946 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 7.291 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions