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

Currently, Montville, Connecticut has a sulfur dioxide (SO2) concentration of 0.501 ppb.

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

The current ozone (O3) level in Montville, Connecticut at the moment is 25.332 ppm.

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

Nitrogen dioxide (NO2) level in Montville, Connecticut at the moment is 7.925 ppb.

Real-time air quality index in Montville, Connecticut today

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

Stay updated with real-time air quality in Montville, 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

Montville, Connecticut

Last updated: ... (Local time)

Major air pollutants in Montville, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.01 μg/m³

155

255

425

605+

Ozone (O₃)

25.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Montville, Connecticut

Get Live Pollen Counts

Montville, Connecticut

Scroll To Air Quality Map

Track live Montville, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T13:00:00.000Z	52 \| moderate	10.022 \| good	19.674 \| good	36.431 \| good	0.426 \| good	24.834 \| good	0.446 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.703 \| good	26.404 \| good	38.763 \| good	0.515 \| good	19.739 \| good	0.396 \| good
2025-06-05T15:00:00.000Z	58 \| moderate	12.636 \| fine	26.799 \| good	41.581 \| good	0.83 \| good	21.694 \| good	0.337 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	13.722 \| fine	30.495 \| good	45.951 \| good	0.753 \| good	28.131 \| good	0.336 \| good
2025-06-05T17:00:00.000Z	67 \| moderate	15.243 \| fine	34.809 \| good	59.915 \| fine	0.723 \| good	24.847 \| good	0.337 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	16.676 \| fine	33.668 \| good	60.241 \| fine	0.702 \| good	19.076 \| good	0.36 \| good
2025-06-05T19:00:00.000Z	87 \| moderate	17.599 \| fine	34.322 \| good	66.032 \| fine	0.737 \| good	23.012 \| good	0.336 \| good
2025-06-05T20:00:00.000Z	105 \| sensitive	18.287 \| fine	40.292 \| good	72.483 \| moderate	0.594 \| good	16.607 \| good	0.357 \| good
2025-06-05T21:00:00.000Z	129 \| sensitive	17.716 \| fine	38.086 \| good	78.805 \| moderate	0.652 \| good	13.323 \| good	0.333 \| good
2025-06-05T22:00:00.000Z	133 \| sensitive	17.818 \| fine	39.414 \| good	80.055 \| moderate	0.594 \| good	7.003 \| good	0.403 \| good
2025-06-05T23:00:00.000Z	133 \| sensitive	17.87 \| fine	40.24 \| good	79.99 \| moderate	0.62 \| good	7.565 \| good	0.418 \| good
2025-06-06T00:00:00.000Z	112 \| sensitive	17.379 \| fine	38.022 \| good	74.078 \| moderate	0.564 \| good	7.981 \| good	0.418 \| good
2025-06-06T01:00:00.000Z	97 \| moderate	17.18 \| fine	37.758 \| good	68.503 \| fine	0.596 \| good	9.78 \| good	0.398 \| good
2025-06-06T02:00:00.000Z	84 \| moderate	16.283 \| fine	34.944 \| good	64.514 \| fine	0.588 \| good	9.303 \| good	0.374 \| good
2025-06-06T03:00:00.000Z	62 \| moderate	14.778 \| fine	34.29 \| good	55.125 \| fine	0.588 \| good	15.355 \| good	0.392 \| good
2025-06-06T04:00:00.000Z	60 \| moderate	13.969 \| fine	35.348 \| good	54.667 \| good	0.537 \| good	11.682 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	58 \| moderate	13.176 \| fine	29.365 \| good	51.292 \| good	0.395 \| good	12.386 \| good	0.277 \| good
2025-06-06T06:00:00.000Z	58 \| moderate	12.884 \| fine	30.956 \| good	49.114 \| good	0.609 \| good	12.102 \| good	0.225 \| good
2025-06-06T07:00:00.000Z	58 \| moderate	12.561 \| fine	28.056 \| good	48.591 \| good	0.485 \| good	12.797 \| good	0.251 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.386 \| fine	30.408 \| good	40.796 \| good	0.486 \| good	8.439 \| good	0.205 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	12.149 \| fine	28.127 \| good	38.514 \| good	0.611 \| good	9.587 \| good	0.246 \| good
2025-06-06T10:00:00.000Z	56 \| moderate	12.327 \| fine	29.283 \| good	35.275 \| good	0.518 \| good	18.082 \| good	0.246 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	12.34 \| fine	26.897 \| good	32.82 \| good	0.433 \| good	16.466 \| good	0.356 \| good
2025-06-06T12:00:00.000Z	56 \| moderate	12.348 \| fine	28.99 \| good	31.979 \| good	0.59 \| good	13.992 \| good	0.329 \| good
2025-06-06T13:00:00.000Z	58 \| moderate	13.365 \| fine	29.514 \| good	32.044 \| good	0.57 \| good	17.215 \| good	0.263 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.816 \| fine	35.623 \| good	33.372 \| good	0.601 \| good	15.124 \| good	0.266 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	16.533 \| fine	36.858 \| good	42.417 \| good	0.452 \| good	10.18 \| good	0.286 \| good
2025-06-06T16:00:00.000Z	67 \| moderate	18.45 \| fine	39.701 \| good	46.319 \| good	0.408 \| good	6.588 \| good	0.286 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.752 \| fine	40.549 \| good	58.024 \| fine	0.337 \| good	7.786 \| good	0.308 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	18.22 \| fine	36.45 \| good	59.329 \| fine	0.501 \| good	10.398 \| good	0.31 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	16.577 \| fine	35.831 \| good	64.641 \| fine	0.505 \| good	8.021 \| good	0.347 \| good
2025-06-06T20:00:00.000Z	77 \| moderate	15.155 \| fine	30.765 \| good	62.579 \| fine	0.422 \| good	7.229 \| good	0.303 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	13.198 \| fine	29.87 \| good	63.174 \| fine	0.464 \| good	9.409 \| good	0.351 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.366 \| good	25.691 \| good	56.268 \| fine	0.559 \| good	8.644 \| good	0.331 \| good
2025-06-06T23:00:00.000Z	52 \| moderate	9.666 \| good	25.088 \| good	53.032 \| good	0.691 \| good	7.69 \| good	0.352 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.446 \| good	22.052 \| good	47.525 \| good	0.47 \| good	7.399 \| good	0.306 \| good
2025-06-07T01:00:00.000Z	44 \| good	8.167 \| good	19.296 \| good	42.216 \| good	0.371 \| good	7.602 \| good	0.245 \| good
2025-06-07T02:00:00.000Z	44 \| good	7.959 \| good	17.943 \| good	36.788 \| good	0.484 \| good	7.779 \| good	0.248 \| good
2025-06-07T03:00:00.000Z	38 \| good	7.37 \| good	16.1 \| good	35.813 \| good	0.537 \| good	4.236 \| good	0.201 \| good
2025-06-07T04:00:00.000Z	44 \| good	7.594 \| good	16.56 \| good	35.37 \| good	0.547 \| good	5.099 \| good	0.192 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.547 \| good	15.728 \| good	33.518 \| good	0.957 \| good	4.345 \| good	0.181 \| good
2025-06-07T06:00:00.000Z	38 \| good	6.975 \| good	12.632 \| good	31.535 \| good	0.935 \| good	3.476 \| good	0.18 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.761 \| good	12.97 \| good	31.222 \| good	0.488 \| good	4.526 \| good	0.23 \| good
2025-06-07T08:00:00.000Z	38 \| good	6.512 \| good	12.872 \| good	26.677 \| good	0.503 \| good	4.875 \| good	0.259 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.162 \| good	12.398 \| good	26.618 \| good	0.493 \| good	8.889 \| good	0.218 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.654 \| good	11.011 \| good	25.332 \| good	0.501 \| good	7.925 \| good	0.198 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.088 \| good	9.979 \| good	26.911 \| good	0.469 \| good	3.587 \| good	0.212 \| good
2025-06-07T12:00:00.000Z	27 \| good	4.841 \| good	10.828 \| good	27.979 \| good	0.493 \| good	3.298 \| good	0.212 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.654 \| good	11.011 \| good	25.332 \| good	0.501 \| good	7.925 \| good	0.198 \| good
2025-06-07T11:00:00.000Z	33 \| good	6.043 \| good	27.036 \| good	33.922 \| good	0.115 \| good	3.493 \| good	0.163 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	10.069 \| good	44.76 \| good	36.926 \| good	0.087 \| good	3.35 \| good	0.163 \| good
2025-06-07T13:00:00.000Z	49 \| good	9.209 \| good	41.058 \| good	37.141 \| good	0.199 \| good	4.381 \| good	0.176 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	9.748 \| good	43.211 \| good	35.129 \| good	0.165 \| good	4.094 \| good	0.174 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.204 \| good	45 \| good	36.284 \| good	0.13 \| good	3.807 \| good	0.172 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.673 \| good	43.048 \| good	36.414 \| good	0.322 \| good	4.214 \| good	0.192 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.373 \| good	42.02 \| good	38.47 \| good	0.257 \| good	3.855 \| good	0.186 \| good
2025-06-07T18:00:00.000Z	38 \| good	7.302 \| good	32.274 \| good	40.966 \| good	0.191 \| good	3.496 \| good	0.18 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.518 \| good	37.092 \| good	47.439 \| good	0.336 \| good	4.279 \| good	0.202 \| good
2025-06-07T20:00:00.000Z	47 \| good	7.588 \| good	33.21 \| good	50.705 \| good	0.285 \| good	3.979 \| good	0.194 \| good
2025-06-07T21:00:00.000Z	46 \| good	6.337 \| good	27.941 \| good	49.762 \| good	0.235 \| good	3.68 \| good	0.187 \| good
2025-06-07T22:00:00.000Z	44 \| good	5.465 \| good	23.344 \| good	47.112 \| good	0.309 \| good	6.306 \| good	0.214 \| good
2025-06-07T23:00:00.000Z	41 \| good	6.431 \| good	28.403 \| good	44.472 \| good	0.273 \| good	6.054 \| good	0.205 \| good
2025-06-08T00:00:00.000Z	34 \| good	4.166 \| good	18.292 \| good	37.484 \| good	0.236 \| good	5.802 \| good	0.197 \| good
2025-06-08T01:00:00.000Z	33 \| good	6.334 \| good	27.851 \| good	35.184 \| good	0.466 \| good	7.664 \| good	0.249 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.458 \| good	32.767 \| good	34.123 \| good	0.42 \| good	7.346 \| good	0.239 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	10.229 \| good	44.995 \| good	33.663 \| good	0.374 \| good	7.027 \| good	0.23 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	13.439 \| fine	60.793 \| fine	35.309 \| good	0.435 \| good	4.111 \| good	0.25 \| good
2025-06-08T05:00:00.000Z	62 \| moderate	15.235 \| fine	68.762 \| fine	32.822 \| good	0.397 \| good	4.093 \| good	0.244 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.885 \| fine	66.814 \| fine	29.665 \| good	0.36 \| good	4.075 \| good	0.239 \| good
2025-06-08T07:00:00.000Z	62 \| moderate	14.557 \| fine	65 \| fine	24.604 \| good	0.403 \| good	2.786 \| good	0.236 \| good
2025-06-08T08:00:00.000Z	62 \| moderate	14.641 \| fine	65 \| fine	19.581 \| good	0.397 \| good	3.015 \| good	0.228 \| good
2025-06-08T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.092 \| fine	20.125 \| good	0.39 \| good	3.244 \| good	0.22 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	13.984 \| fine	62.977 \| fine	21.23 \| good	0.381 \| good	3.405 \| good	0.211 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	14.646 \| fine	65.069 \| fine	22.052 \| good	0.376 \| good	3.458 \| good	0.201 \| good
2025-06-08T12:00:00.000Z	62 \| moderate	15.436 \| fine	68.852 \| fine	21.567 \| good	0.371 \| good	3.511 \| good	0.191 \| good
2025-06-08T13:00:00.000Z	54 \| moderate	11.364 \| good	50.206 \| good	23.176 \| good	0.295 \| good	2.543 \| good	0.199 \| good
2025-06-08T14:00:00.000Z	52 \| moderate	10.174 \| good	45.013 \| good	26.715 \| good	0.273 \| good	2.466 \| good	0.193 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	9.503 \| good	42.57 \| good	36.627 \| good	0.251 \| good	2.39 \| good	0.187 \| good
2025-06-08T16:00:00.000Z	54 \| moderate	11.395 \| good	50.603 \| good	36.327 \| good	0.237 \| good	1.869 \| good	0.216 \| good
2025-06-08T17:00:00.000Z	56 \| moderate	11.8 \| good	52.013 \| good	42.291 \| good	0.216 \| good	1.771 \| good	0.213 \| good
2025-06-08T18:00:00.000Z	58 \| moderate	12.947 \| fine	58.596 \| fine	47.789 \| good	0.194 \| good	1.673 \| good	0.21 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	11.767 \| good	51.89 \| good	44.991 \| good	0.211 \| good	2.336 \| good	0.235 \| good
2025-06-08T20:00:00.000Z	56 \| moderate	11.808 \| good	51.984 \| good	43.226 \| good	0.188 \| good	2.259 \| good	0.234 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	11.294 \| good	49.879 \| good	46.059 \| good	0.165 \| good	2.182 \| good	0.234 \| good
2025-06-08T22:00:00.000Z	56 \| moderate	11.782 \| good	51.964 \| good	45.328 \| good	0.294 \| good	5.677 \| good	0.278 \| good
2025-06-08T23:00:00.000Z	56 \| moderate	11.864 \| good	53.366 \| good	46.857 \| good	0.269 \| good	5.266 \| good	0.274 \| good
2025-06-09T00:00:00.000Z	44 \| good	8.427 \| good	36.863 \| good	39.979 \| good	0.244 \| good	4.855 \| good	0.27 \| good
2025-06-09T01:00:00.000Z	49 \| good	9.079 \| good	40.585 \| good	41.915 \| good	0.475 \| good	7.612 \| good	0.295 \| good
2025-06-09T02:00:00.000Z	49 \| good	9.437 \| good	41.875 \| good	43.556 \| good	0.445 \| good	6.914 \| good	0.285 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	9.895 \| good	43.896 \| good	42.953 \| good	0.415 \| good	6.217 \| good	0.275 \| good
2025-06-09T04:00:00.000Z	52 \| moderate	9.634 \| good	42.82 \| good	39.992 \| good	0.582 \| good	8.301 \| good	0.3 \| good
2025-06-09T05:00:00.000Z	44 \| good	8.258 \| good	35.858 \| good	39.917 \| good	0.558 \| good	7.424 \| good	0.287 \| good
2025-06-09T06:00:00.000Z	44 \| good	8.317 \| good	8.779 \| good	34.371 \| good	0.539 \| good	6.559 \| good	0.273 \| good
2025-06-09T07:00:00.000Z	44 \| good	7.563 \| good	33.071 \| good	38.967 \| good	0.725 \| good	6.564 \| good	0.284 \| good
2025-06-09T08:00:00.000Z	44 \| good	8.135 \| good	35.786 \| good	38.33 \| good	0.712 \| good	6.192 \| good	0.275 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.669 \| good	33.808 \| good	38.495 \| good	0.7 \| good	5.82 \| good	0.265 \| good
2025-06-09T10:00:00.000Z	44 \| good	7.6 \| good	33.586 \| good	36.48 \| good	0.879 \| good	4.613 \| good	0.267 \| good

Montville

Get reliable air quality data to drive your business

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

0.22ppm

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 Montville, Connecticut?

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

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

In the past 24 hours, the air quality in Montville, Connecticut was at its worst at 07:00:00 on 2025-06-06.

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

In the last 24 hours, the best air quality in Montville, Connecticut was observed at 09:00:00 on 2025-06-07.

What is the AQI in Montville, Connecticut right now?

As of now, the AQI in Montville, Connecticut is 33, indicating Good conditions.

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

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

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

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

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

PM_2.5 levels in Montville, Connecticut are currently 5.654 μg/m³.

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

The PM₁₀ concentration in Montville, Connecticut is 11.011 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Montville, Connecticut is 0.198 ppm.

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

Currently, Montville, Connecticut has a sulfur dioxide (SO₂) concentration of 0.501 ppb.

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

The current ozone (O₃) level in Montville, Connecticut at the moment is 25.332 ppm.

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

Nitrogen dioxide (NO₂) level in Montville, Connecticut at the moment is 7.925 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T13:00:00.000Z	52 \| moderate	10.022 \| good	19.674 \| good	36.431 \| good	0.426 \| good	24.834 \| good	0.446 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.703 \| good	26.404 \| good	38.763 \| good	0.515 \| good	19.739 \| good	0.396 \| good
2025-06-05T15:00:00.000Z	58 \| moderate	12.636 \| fine	26.799 \| good	41.581 \| good	0.83 \| good	21.694 \| good	0.337 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	13.722 \| fine	30.495 \| good	45.951 \| good	0.753 \| good	28.131 \| good	0.336 \| good
2025-06-05T17:00:00.000Z	67 \| moderate	15.243 \| fine	34.809 \| good	59.915 \| fine	0.723 \| good	24.847 \| good	0.337 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	16.676 \| fine	33.668 \| good	60.241 \| fine	0.702 \| good	19.076 \| good	0.36 \| good
2025-06-05T19:00:00.000Z	87 \| moderate	17.599 \| fine	34.322 \| good	66.032 \| fine	0.737 \| good	23.012 \| good	0.336 \| good
2025-06-05T20:00:00.000Z	105 \| sensitive	18.287 \| fine	40.292 \| good	72.483 \| moderate	0.594 \| good	16.607 \| good	0.357 \| good
2025-06-05T21:00:00.000Z	129 \| sensitive	17.716 \| fine	38.086 \| good	78.805 \| moderate	0.652 \| good	13.323 \| good	0.333 \| good
2025-06-05T22:00:00.000Z	133 \| sensitive	17.818 \| fine	39.414 \| good	80.055 \| moderate	0.594 \| good	7.003 \| good	0.403 \| good
2025-06-05T23:00:00.000Z	133 \| sensitive	17.87 \| fine	40.24 \| good	79.99 \| moderate	0.62 \| good	7.565 \| good	0.418 \| good
2025-06-06T00:00:00.000Z	112 \| sensitive	17.379 \| fine	38.022 \| good	74.078 \| moderate	0.564 \| good	7.981 \| good	0.418 \| good
2025-06-06T01:00:00.000Z	97 \| moderate	17.18 \| fine	37.758 \| good	68.503 \| fine	0.596 \| good	9.78 \| good	0.398 \| good
2025-06-06T02:00:00.000Z	84 \| moderate	16.283 \| fine	34.944 \| good	64.514 \| fine	0.588 \| good	9.303 \| good	0.374 \| good
2025-06-06T03:00:00.000Z	62 \| moderate	14.778 \| fine	34.29 \| good	55.125 \| fine	0.588 \| good	15.355 \| good	0.392 \| good
2025-06-06T04:00:00.000Z	60 \| moderate	13.969 \| fine	35.348 \| good	54.667 \| good	0.537 \| good	11.682 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	58 \| moderate	13.176 \| fine	29.365 \| good	51.292 \| good	0.395 \| good	12.386 \| good	0.277 \| good
2025-06-06T06:00:00.000Z	58 \| moderate	12.884 \| fine	30.956 \| good	49.114 \| good	0.609 \| good	12.102 \| good	0.225 \| good
2025-06-06T07:00:00.000Z	58 \| moderate	12.561 \| fine	28.056 \| good	48.591 \| good	0.485 \| good	12.797 \| good	0.251 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.386 \| fine	30.408 \| good	40.796 \| good	0.486 \| good	8.439 \| good	0.205 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	12.149 \| fine	28.127 \| good	38.514 \| good	0.611 \| good	9.587 \| good	0.246 \| good
2025-06-06T10:00:00.000Z	56 \| moderate	12.327 \| fine	29.283 \| good	35.275 \| good	0.518 \| good	18.082 \| good	0.246 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	12.34 \| fine	26.897 \| good	32.82 \| good	0.433 \| good	16.466 \| good	0.356 \| good
2025-06-06T12:00:00.000Z	56 \| moderate	12.348 \| fine	28.99 \| good	31.979 \| good	0.59 \| good	13.992 \| good	0.329 \| good
2025-06-06T13:00:00.000Z	58 \| moderate	13.365 \| fine	29.514 \| good	32.044 \| good	0.57 \| good	17.215 \| good	0.263 \| good
2025-06-06T14:00:00.000Z	64 \| moderate	15.816 \| fine	35.623 \| good	33.372 \| good	0.601 \| good	15.124 \| good	0.266 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	16.533 \| fine	36.858 \| good	42.417 \| good	0.452 \| good	10.18 \| good	0.286 \| good
2025-06-06T16:00:00.000Z	67 \| moderate	18.45 \| fine	39.701 \| good	46.319 \| good	0.408 \| good	6.588 \| good	0.286 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.752 \| fine	40.549 \| good	58.024 \| fine	0.337 \| good	7.786 \| good	0.308 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	18.22 \| fine	36.45 \| good	59.329 \| fine	0.501 \| good	10.398 \| good	0.31 \| good
2025-06-06T19:00:00.000Z	84 \| moderate	16.577 \| fine	35.831 \| good	64.641 \| fine	0.505 \| good	8.021 \| good	0.347 \| good
2025-06-06T20:00:00.000Z	77 \| moderate	15.155 \| fine	30.765 \| good	62.579 \| fine	0.422 \| good	7.229 \| good	0.303 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	13.198 \| fine	29.87 \| good	63.174 \| fine	0.464 \| good	9.409 \| good	0.351 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.366 \| good	25.691 \| good	56.268 \| fine	0.559 \| good	8.644 \| good	0.331 \| good
2025-06-06T23:00:00.000Z	52 \| moderate	9.666 \| good	25.088 \| good	53.032 \| good	0.691 \| good	7.69 \| good	0.352 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.446 \| good	22.052 \| good	47.525 \| good	0.47 \| good	7.399 \| good	0.306 \| good
2025-06-07T01:00:00.000Z	44 \| good	8.167 \| good	19.296 \| good	42.216 \| good	0.371 \| good	7.602 \| good	0.245 \| good
2025-06-07T02:00:00.000Z	44 \| good	7.959 \| good	17.943 \| good	36.788 \| good	0.484 \| good	7.779 \| good	0.248 \| good
2025-06-07T03:00:00.000Z	38 \| good	7.37 \| good	16.1 \| good	35.813 \| good	0.537 \| good	4.236 \| good	0.201 \| good
2025-06-07T04:00:00.000Z	44 \| good	7.594 \| good	16.56 \| good	35.37 \| good	0.547 \| good	5.099 \| good	0.192 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.547 \| good	15.728 \| good	33.518 \| good	0.957 \| good	4.345 \| good	0.181 \| good
2025-06-07T06:00:00.000Z	38 \| good	6.975 \| good	12.632 \| good	31.535 \| good	0.935 \| good	3.476 \| good	0.18 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.761 \| good	12.97 \| good	31.222 \| good	0.488 \| good	4.526 \| good	0.23 \| good
2025-06-07T08:00:00.000Z	38 \| good	6.512 \| good	12.872 \| good	26.677 \| good	0.503 \| good	4.875 \| good	0.259 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.162 \| good	12.398 \| good	26.618 \| good	0.493 \| good	8.889 \| good	0.218 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.654 \| good	11.011 \| good	25.332 \| good	0.501 \| good	7.925 \| good	0.198 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.088 \| good	9.979 \| good	26.911 \| good	0.469 \| good	3.587 \| good	0.212 \| good
2025-06-07T12:00:00.000Z	27 \| good	4.841 \| good	10.828 \| good	27.979 \| good	0.493 \| good	3.298 \| good	0.212 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.654 \| good	11.011 \| good	25.332 \| good	0.501 \| good	7.925 \| good	0.198 \| good
2025-06-07T11:00:00.000Z	33 \| good	6.043 \| good	27.036 \| good	33.922 \| good	0.115 \| good	3.493 \| good	0.163 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	10.069 \| good	44.76 \| good	36.926 \| good	0.087 \| good	3.35 \| good	0.163 \| good
2025-06-07T13:00:00.000Z	49 \| good	9.209 \| good	41.058 \| good	37.141 \| good	0.199 \| good	4.381 \| good	0.176 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	9.748 \| good	43.211 \| good	35.129 \| good	0.165 \| good	4.094 \| good	0.174 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.204 \| good	45 \| good	36.284 \| good	0.13 \| good	3.807 \| good	0.172 \| good
2025-06-07T16:00:00.000Z	52 \| moderate	9.673 \| good	43.048 \| good	36.414 \| good	0.322 \| good	4.214 \| good	0.192 \| good
2025-06-07T17:00:00.000Z	49 \| good	9.373 \| good	42.02 \| good	38.47 \| good	0.257 \| good	3.855 \| good	0.186 \| good
2025-06-07T18:00:00.000Z	38 \| good	7.302 \| good	32.274 \| good	40.966 \| good	0.191 \| good	3.496 \| good	0.18 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.518 \| good	37.092 \| good	47.439 \| good	0.336 \| good	4.279 \| good	0.202 \| good
2025-06-07T20:00:00.000Z	47 \| good	7.588 \| good	33.21 \| good	50.705 \| good	0.285 \| good	3.979 \| good	0.194 \| good
2025-06-07T21:00:00.000Z	46 \| good	6.337 \| good	27.941 \| good	49.762 \| good	0.235 \| good	3.68 \| good	0.187 \| good
2025-06-07T22:00:00.000Z	44 \| good	5.465 \| good	23.344 \| good	47.112 \| good	0.309 \| good	6.306 \| good	0.214 \| good
2025-06-07T23:00:00.000Z	41 \| good	6.431 \| good	28.403 \| good	44.472 \| good	0.273 \| good	6.054 \| good	0.205 \| good
2025-06-08T00:00:00.000Z	34 \| good	4.166 \| good	18.292 \| good	37.484 \| good	0.236 \| good	5.802 \| good	0.197 \| good
2025-06-08T01:00:00.000Z	33 \| good	6.334 \| good	27.851 \| good	35.184 \| good	0.466 \| good	7.664 \| good	0.249 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.458 \| good	32.767 \| good	34.123 \| good	0.42 \| good	7.346 \| good	0.239 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	10.229 \| good	44.995 \| good	33.663 \| good	0.374 \| good	7.027 \| good	0.23 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	13.439 \| fine	60.793 \| fine	35.309 \| good	0.435 \| good	4.111 \| good	0.25 \| good
2025-06-08T05:00:00.000Z	62 \| moderate	15.235 \| fine	68.762 \| fine	32.822 \| good	0.397 \| good	4.093 \| good	0.244 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.885 \| fine	66.814 \| fine	29.665 \| good	0.36 \| good	4.075 \| good	0.239 \| good
2025-06-08T07:00:00.000Z	62 \| moderate	14.557 \| fine	65 \| fine	24.604 \| good	0.403 \| good	2.786 \| good	0.236 \| good
2025-06-08T08:00:00.000Z	62 \| moderate	14.641 \| fine	65 \| fine	19.581 \| good	0.397 \| good	3.015 \| good	0.228 \| good
2025-06-08T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.092 \| fine	20.125 \| good	0.39 \| good	3.244 \| good	0.22 \| good
2025-06-08T10:00:00.000Z	60 \| moderate	13.984 \| fine	62.977 \| fine	21.23 \| good	0.381 \| good	3.405 \| good	0.211 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	14.646 \| fine	65.069 \| fine	22.052 \| good	0.376 \| good	3.458 \| good	0.201 \| good
2025-06-08T12:00:00.000Z	62 \| moderate	15.436 \| fine	68.852 \| fine	21.567 \| good	0.371 \| good	3.511 \| good	0.191 \| good
2025-06-08T13:00:00.000Z	54 \| moderate	11.364 \| good	50.206 \| good	23.176 \| good	0.295 \| good	2.543 \| good	0.199 \| good
2025-06-08T14:00:00.000Z	52 \| moderate	10.174 \| good	45.013 \| good	26.715 \| good	0.273 \| good	2.466 \| good	0.193 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	9.503 \| good	42.57 \| good	36.627 \| good	0.251 \| good	2.39 \| good	0.187 \| good
2025-06-08T16:00:00.000Z	54 \| moderate	11.395 \| good	50.603 \| good	36.327 \| good	0.237 \| good	1.869 \| good	0.216 \| good
2025-06-08T17:00:00.000Z	56 \| moderate	11.8 \| good	52.013 \| good	42.291 \| good	0.216 \| good	1.771 \| good	0.213 \| good
2025-06-08T18:00:00.000Z	58 \| moderate	12.947 \| fine	58.596 \| fine	47.789 \| good	0.194 \| good	1.673 \| good	0.21 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	11.767 \| good	51.89 \| good	44.991 \| good	0.211 \| good	2.336 \| good	0.235 \| good
2025-06-08T20:00:00.000Z	56 \| moderate	11.808 \| good	51.984 \| good	43.226 \| good	0.188 \| good	2.259 \| good	0.234 \| good
2025-06-08T21:00:00.000Z	54 \| moderate	11.294 \| good	49.879 \| good	46.059 \| good	0.165 \| good	2.182 \| good	0.234 \| good
2025-06-08T22:00:00.000Z	56 \| moderate	11.782 \| good	51.964 \| good	45.328 \| good	0.294 \| good	5.677 \| good	0.278 \| good
2025-06-08T23:00:00.000Z	56 \| moderate	11.864 \| good	53.366 \| good	46.857 \| good	0.269 \| good	5.266 \| good	0.274 \| good
2025-06-09T00:00:00.000Z	44 \| good	8.427 \| good	36.863 \| good	39.979 \| good	0.244 \| good	4.855 \| good	0.27 \| good
2025-06-09T01:00:00.000Z	49 \| good	9.079 \| good	40.585 \| good	41.915 \| good	0.475 \| good	7.612 \| good	0.295 \| good
2025-06-09T02:00:00.000Z	49 \| good	9.437 \| good	41.875 \| good	43.556 \| good	0.445 \| good	6.914 \| good	0.285 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	9.895 \| good	43.896 \| good	42.953 \| good	0.415 \| good	6.217 \| good	0.275 \| good
2025-06-09T04:00:00.000Z	52 \| moderate	9.634 \| good	42.82 \| good	39.992 \| good	0.582 \| good	8.301 \| good	0.3 \| good
2025-06-09T05:00:00.000Z	44 \| good	8.258 \| good	35.858 \| good	39.917 \| good	0.558 \| good	7.424 \| good	0.287 \| good
2025-06-09T06:00:00.000Z	44 \| good	8.317 \| good	8.779 \| good	34.371 \| good	0.539 \| good	6.559 \| good	0.273 \| good
2025-06-09T07:00:00.000Z	44 \| good	7.563 \| good	33.071 \| good	38.967 \| good	0.725 \| good	6.564 \| good	0.284 \| good
2025-06-09T08:00:00.000Z	44 \| good	8.135 \| good	35.786 \| good	38.33 \| good	0.712 \| good	6.192 \| good	0.275 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.669 \| good	33.808 \| good	38.495 \| good	0.7 \| good	5.82 \| good	0.265 \| good
2025-06-09T10:00:00.000Z	44 \| good	7.6 \| good	33.586 \| good	36.48 \| good	0.879 \| good	4.613 \| good	0.267 \| good

Real-time air quality index in Montville, Connecticut today

Major air pollutants in Montville, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

Norwich, Connecticut

Ledyard, Connecticut

Waterford, Connecticut

New London, Connecticut

East Lyme, Connecticut

Groton, Connecticut

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Frequently asked questions

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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