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

The PM10 concentration in Madison, Connecticut is 16.322 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 0.203 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 48.618 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 3.518 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 4.814 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)

4.81 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.32 μg/m³

155

255

425

605+

Ozone (O₃)

48.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.20 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.52 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

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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
2026-03-27T23:00:00.000Z	34 \| good	2.785 \| good	11.586 \| good	37.049 \| good	0.193 \| good	3.724 \| good	0.218 \| good
2026-03-28T00:00:00.000Z	35 \| good	2.967 \| good	8.432 \| good	37.965 \| good	0.123 \| good	4.058 \| good	0.229 \| good
2026-03-28T01:00:00.000Z	36 \| good	2.925 \| good	9.878 \| good	38.924 \| good	0.164 \| good	5.668 \| good	0.208 \| good
2026-03-28T02:00:00.000Z	35 \| good	3.413 \| good	10.617 \| good	37.958 \| good	0.146 \| good	12.287 \| good	0.197 \| good
2026-03-28T03:00:00.000Z	29 \| good	4.136 \| good	16.731 \| good	31.023 \| good	0.133 \| good	18.694 \| good	0.268 \| good
2026-03-28T04:00:00.000Z	29 \| good	4.682 \| good	14.355 \| good	31.023 \| good	0.153 \| good	23.372 \| good	0.236 \| good
2026-03-28T05:00:00.000Z	28 \| good	4.515 \| good	11.996 \| good	29.891 \| good	0.144 \| good	18.204 \| good	0.236 \| good
2026-03-28T06:00:00.000Z	29 \| good	5.365 \| good	12.567 \| good	31.027 \| good	0.185 \| good	12.621 \| good	0.211 \| good
2026-03-28T07:00:00.000Z	30 \| good	4.856 \| good	16.414 \| good	31.969 \| good	0.153 \| good	7.135 \| good	0.181 \| good
2026-03-28T08:00:00.000Z	32 \| good	4.115 \| good	10.725 \| good	34.9 \| good	0.123 \| good	5.981 \| good	0.186 \| good
2026-03-28T09:00:00.000Z	32 \| good	4.194 \| good	13.457 \| good	34.911 \| good	0.123 \| good	4.889 \| good	0.186 \| good
2026-03-28T10:00:00.000Z	35 \| good	3.996 \| good	12.347 \| good	37.739 \| good	0.13 \| good	5.821 \| good	0.161 \| good
2026-03-28T11:00:00.000Z	36 \| good	4.248 \| good	14.057 \| good	38.774 \| good	0.117 \| good	5.073 \| good	0.132 \| good
2026-03-28T12:00:00.000Z	36 \| good	4.255 \| good	13.03 \| good	38.817 \| good	0.138 \| good	4.971 \| good	0.169 \| good
2026-03-28T13:00:00.000Z	34 \| good	3.782 \| good	13.682 \| good	36.963 \| good	0.196 \| good	3.482 \| good	0.211 \| good
2026-03-28T14:00:00.000Z	35 \| good	4.25 \| good	20.767 \| good	37.93 \| good	0.138 \| good	3.094 \| good	0.171 \| good
2026-03-28T15:00:00.000Z	35 \| good	4.097 \| good	13.078 \| good	37.965 \| good	0.136 \| good	2.238 \| good	0.171 \| good
2026-03-28T16:00:00.000Z	36 \| good	4.168 \| good	16.606 \| good	39.022 \| good	0.148 \| good	1.974 \| good	0.132 \| good
2026-03-28T17:00:00.000Z	38 \| good	4.119 \| good	9.793 \| good	40.992 \| good	0.196 \| good	1.995 \| good	0.132 \| good
2026-03-28T18:00:00.000Z	38 \| good	4.078 \| good	9.197 \| good	41.028 \| good	0.18 \| good	1.779 \| good	0.158 \| good
2026-03-28T19:00:00.000Z	39 \| good	4.042 \| good	10.107 \| good	41.977 \| good	0.194 \| good	2.05 \| good	0.158 \| good
2026-03-28T20:00:00.000Z	40 \| good	3.873 \| good	9.827 \| good	42.907 \| good	0.166 \| good	2.135 \| good	0.158 \| good
2026-03-28T21:00:00.000Z	40 \| good	3.656 \| good	12.726 \| good	42.941 \| good	0.117 \| good	2.4 \| good	0.208 \| good
2026-03-28T22:00:00.000Z	39 \| good	3.199 \| good	15.168 \| good	42.032 \| good	0.129 \| good	2.222 \| good	0.171 \| good
2026-03-28T23:00:00.000Z	39 \| good	3.074 \| good	11.924 \| good	42.03 \| good	0.142 \| good	2.509 \| good	0.169 \| good
2026-03-29T00:00:00.000Z	38 \| good	3.355 \| good	17.508 \| good	41.05 \| good	0.238 \| good	3.328 \| good	0.169 \| good
2026-03-29T01:00:00.000Z	37 \| good	3.387 \| good	14.027 \| good	40.045 \| good	0.253 \| good	5.367 \| good	0.229 \| good
2026-03-29T02:00:00.000Z	36 \| good	3.304 \| good	11.506 \| good	39.005 \| good	0.209 \| good	7.01 \| good	0.219 \| good
2026-03-29T03:00:00.000Z	29 \| good	3.882 \| good	16.951 \| good	31.371 \| good	0.638 \| good	5.031 \| good	0.218 \| good
2026-03-29T04:00:00.000Z	33 \| good	3.57 \| good	8.807 \| good	35.923 \| good	0.161 \| good	10.861 \| good	0.236 \| good
2026-03-29T05:00:00.000Z	25 \| good	3.745 \| good	10.471 \| good	27.123 \| good	0.25 \| good	12.154 \| good	0.197 \| good
2026-03-29T06:00:00.000Z	27 \| good	4.808 \| good	13.522 \| good	27.134 \| good	0.25 \| good	12.111 \| good	0.197 \| good
2026-03-29T07:00:00.000Z	27 \| good	4.617 \| good	11.193 \| good	28.297 \| good	0.391 \| good	16.683 \| good	0.233 \| good
2026-03-29T08:00:00.000Z	26 \| good	4.382 \| good	14.732 \| good	27.9 \| good	0.27 \| good	22.792 \| good	0.288 \| good
2026-03-29T09:00:00.000Z	22 \| good	4.239 \| good	8.947 \| good	24.127 \| good	0.413 \| good	22.336 \| good	0.327 \| good
2026-03-29T10:00:00.000Z	27 \| good	4.924 \| good	9.086 \| good	18.231 \| good	0.35 \| good	22.38 \| good	0.301 \| good
2026-03-29T11:00:00.000Z	27 \| good	5.056 \| good	8.505 \| good	19.256 \| good	0.423 \| good	22.31 \| good	0.362 \| good
2026-03-29T12:00:00.000Z	27 \| good	5.381 \| good	15.6 \| good	18.263 \| good	0.408 \| good	18.163 \| good	0.359 \| good
2026-03-29T13:00:00.000Z	44 \| good	7.864 \| good	31.232 \| good	21.34 \| good	0.343 \| good	16.115 \| good	0.271 \| good
2026-03-29T14:00:00.000Z	33 \| good	5.796 \| good	28.277 \| good	29.805 \| good	0.372 \| good	8.377 \| good	0.195 \| good
2026-03-29T15:00:00.000Z	31 \| good	4.779 \| good	19.999 \| good	33.044 \| good	0.349 \| good	6.096 \| good	0.184 \| good
2026-03-29T16:00:00.000Z	35 \| good	4.77 \| good	20.16 \| good	37.913 \| good	0.243 \| good	4.599 \| good	0.196 \| good
2026-03-29T17:00:00.000Z	41 \| good	5.039 \| good	24.298 \| good	43.842 \| good	0.216 \| good	3.78 \| good	0.252 \| good
2026-03-29T18:00:00.000Z	41 \| good	4.905 \| good	10.28 \| good	43.83 \| good	0.186 \| good	4.331 \| good	0.198 \| good
2026-03-29T19:00:00.000Z	40 \| good	4.66 \| good	13.076 \| good	42.993 \| good	0.169 \| good	2.612 \| good	0.198 \| good
2026-03-29T20:00:00.000Z	42 \| good	4.408 \| good	9.887 \| good	45.003 \| good	0.19 \| good	3.194 \| good	0.198 \| good
2026-03-29T21:00:00.000Z	45 \| good	4.785 \| good	16.568 \| good	48.856 \| good	0.196 \| good	3.304 \| good	0.198 \| good
2026-03-29T22:00:00.000Z	45 \| good	4.814 \| good	16.322 \| good	48.618 \| good	0.203 \| good	3.518 \| good	0.198 \| good
2026-03-29T23:00:00.000Z	42 \| good	5.266 \| good	22.796 \| good	45.068 \| good	1.079 \| good	3.773 \| good	0.182 \| good
2026-03-30T00:00:00.000Z	38 \| good	4.777 \| good	20.747 \| good	40.902 \| good	1.089 \| good	4.135 \| good	0.184 \| good
2026-03-30T01:00:00.000Z	37 \| good	4.964 \| good	21.716 \| good	39.51 \| good	0.96 \| good	3.735 \| good	0.178 \| good
2026-03-30T02:00:00.000Z	42 \| good	4.392 \| good	19.154 \| good	44.805 \| good	0.831 \| good	3.335 \| good	0.171 \| good
2026-03-30T03:00:00.000Z	40 \| good	4.781 \| good	21.066 \| good	42.759 \| good	0.702 \| good	2.935 \| good	0.164 \| good
2026-03-30T04:00:00.000Z	39 \| good	5.513 \| good	23.73 \| good	42.007 \| good	0.638 \| good	2.613 \| good	0.158 \| good
2026-03-30T05:00:00.000Z	40 \| good	5.521 \| good	23.488 \| good	42.741 \| good	0.574 \| good	2.29 \| good	0.152 \| good
2026-03-30T06:00:00.000Z	41 \| good	5.367 \| good	23.273 \| good	44.153 \| good	0.51 \| good	1.968 \| good	0.146 \| good
2026-03-30T07:00:00.000Z	42 \| good	4.371 \| good	19.171 \| good	44.542 \| good	0.513 \| good	1.807 \| good	0.149 \| good
2026-03-30T08:00:00.000Z	40 \| good	4.437 \| good	19.238 \| good	42.503 \| good	0.516 \| good	1.646 \| good	0.152 \| good
2026-03-30T09:00:00.000Z	36 \| good	3.902 \| good	17.119 \| good	39.063 \| good	0.519 \| good	1.485 \| good	0.155 \| good
2026-03-30T10:00:00.000Z	32 \| good	2.342 \| good	9.503 \| good	35.065 \| good	0.618 \| good	2.13 \| good	0.166 \| good
2026-03-30T11:00:00.000Z	31 \| good	2.217 \| good	9.099 \| good	32.913 \| good	0.717 \| good	2.776 \| good	0.178 \| good
2026-03-30T12:00:00.000Z	26 \| good	3.027 \| good	12.645 \| good	27.768 \| good	0.816 \| good	3.421 \| good	0.189 \| good
2026-03-30T13:00:00.000Z	27 \| good	4.383 \| good	19.087 \| good	28.789 \| good	0.984 \| good	4.106 \| good	0.197 \| good
2026-03-30T14:00:00.000Z	33 \| good	6.086 \| good	26.657 \| good	28.23 \| good	1.152 \| good	4.791 \| good	0.206 \| good
2026-03-30T15:00:00.000Z	33 \| good	5.744 \| good	24.873 \| good	32.238 \| good	1.32 \| good	5.477 \| good	0.214 \| good
2026-03-30T16:00:00.000Z	38 \| good	7.148 \| good	31.834 \| good	30.658 \| good	1.393 \| good	5.314 \| good	0.203 \| good
2026-03-30T17:00:00.000Z	44 \| good	7.688 \| good	33.898 \| good	29.718 \| good	1.466 \| good	5.151 \| good	0.193 \| good
2026-03-30T18:00:00.000Z	52 \| moderate	10.351 \| good	45.944 \| good	32.047 \| good	1.539 \| good	4.988 \| good	0.182 \| good
2026-03-30T19:00:00.000Z	52 \| moderate	9.822 \| good	43.825 \| good	30.121 \| good	1.482 \| good	5.049 \| good	0.178 \| good
2026-03-30T20:00:00.000Z	52 \| moderate	9.868 \| good	44.08 \| good	30.825 \| good	1.425 \| good	5.111 \| good	0.174 \| good
2026-03-30T21:00:00.000Z	54 \| moderate	10.584 \| good	47.082 \| good	30.662 \| good	1.368 \| good	5.173 \| good	0.17 \| good
2026-03-30T22:00:00.000Z	52 \| moderate	10.321 \| good	45.663 \| good	30.4 \| good	1.379 \| good	6.032 \| good	0.174 \| good
2026-03-30T23:00:00.000Z	52 \| moderate	9.826 \| good	43.782 \| good	27.791 \| good	1.391 \| good	6.892 \| good	0.177 \| good
2026-03-31T00:00:00.000Z	52 \| moderate	9.794 \| good	43.677 \| good	22.943 \| good	1.402 \| good	7.752 \| good	0.18 \| good
2026-03-31T01:00:00.000Z	52 \| moderate	10.386 \| good	45.859 \| good	24.559 \| good	1.481 \| good	7.857 \| good	0.182 \| good
2026-03-31T02:00:00.000Z	54 \| moderate	11.206 \| good	49.867 \| good	35.298 \| good	1.561 \| good	7.963 \| good	0.184 \| good
2026-03-31T03:00:00.000Z	49 \| good	9.5 \| good	42.404 \| good	37.924 \| good	1.641 \| good	8.069 \| good	0.186 \| good
2026-03-31T04:00:00.000Z	49 \| good	8.771 \| good	38.553 \| good	36.056 \| good	1.523 \| good	7.303 \| good	0.182 \| good
2026-03-31T05:00:00.000Z	44 \| good	8.08 \| good	35.459 \| good	36.105 \| good	1.404 \| good	6.536 \| good	0.178 \| good
2026-03-31T06:00:00.000Z	49 \| good	9.449 \| good	11.092 \| good	42.616 \| good	1.278 \| good	5.753 \| good	0.173 \| good
2026-03-31T07:00:00.000Z	56 \| moderate	11.501 \| good	50.579 \| good	21.039 \| good	1.22 \| good	5.213 \| good	0.166 \| good
2026-03-31T08:00:00.000Z	54 \| moderate	11.049 \| good	48.699 \| good	21.385 \| good	1.154 \| good	4.655 \| good	0.158 \| good
2026-03-31T09:00:00.000Z	49 \| good	9.365 \| good	41.974 \| good	25.52 \| good	1.088 \| good	4.098 \| good	0.151 \| good
2026-03-31T10:00:00.000Z	33 \| good	5.864 \| good	25.612 \| good	25.62 \| good	1.067 \| good	4.69 \| good	0.152 \| good
2026-03-31T11:00:00.000Z	27 \| good	4.761 \| good	20.586 \| good	27.397 \| good	1.046 \| good	5.282 \| good	0.153 \| good
2026-03-31T12:00:00.000Z	38 \| good	7.471 \| good	8.633 \| good	38.719 \| good	1.021 \| good	5.875 \| good	0.155 \| good
2026-03-31T13:00:00.000Z	44 \| good	7.598 \| good	8.76 \| good	37.937 \| good	1.111 \| good	6.094 \| good	0.162 \| good
2026-03-31T14:00:00.000Z	44 \| good	7.722 \| good	8.698 \| good	37.155 \| good	1.202 \| good	6.313 \| good	0.168 \| good
2026-03-31T15:00:00.000Z	49 \| good	8.512 \| good	9.465 \| good	36.373 \| good	1.293 \| good	6.532 \| good	0.175 \| good
2026-03-31T16:00:00.000Z	49 \| good	9.306 \| good	10.391 \| good	38.705 \| good	1.261 \| good	6.107 \| good	0.175 \| good
2026-03-31T17:00:00.000Z	49 \| good	8.659 \| good	37.992 \| good	34.349 \| good	1.24 \| good	5.677 \| good	0.173 \| good
2026-03-31T18:00:00.000Z	52 \| moderate	9.572 \| good	11.14 \| good	43.369 \| good	1.199 \| good	5.256 \| good	0.173 \| good
2026-03-31T19:00:00.000Z	49 \| good	9.362 \| good	11.325 \| good	44.856 \| good	1.111 \| good	5.141 \| good	0.17 \| good
2026-03-31T20:00:00.000Z	49 \| good	9.382 \| good	11.448 \| good	46.344 \| good	1.024 \| good	5.027 \| good	0.167 \| good
2026-03-31T21:00:00.000Z	49 \| good	9.318 \| good	11.498 \| good	47.831 \| good	0.937 \| good	4.912 \| good	0.164 \| good
2026-03-31T22:00:00.000Z	49 \| good	9.012 \| good	11.218 \| good	47.872 \| good	0.871 \| good	5.092 \| good	0.163 \| good

Madison

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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

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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 2026-03-29.

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 09:00:00 on 2026-03-29.

What is the AQI in Madison, Connecticut right now?

As of now, the AQI in Madison, Connecticut is 45, 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 4.814 μg/m³.

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

The PM₁₀ concentration in Madison, Connecticut is 16.322 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 0.198 ppm.

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

Currently, Madison, Connecticut has a sulfur dioxide (SO₂) concentration of 0.203 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 48.618 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 3.518 ppb.

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