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

Currently, Southbury, Connecticut has a sulfur dioxide (SO2) concentration of 0.177 ppb.

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

The current ozone (O3) level in Southbury, Connecticut at the moment is 20.99 ppm.

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

Nitrogen dioxide (NO2) level in Southbury, Connecticut at the moment is 22.743 ppb.

Live air quality index in Southbury, Connecticut today

Q: What is the PM2.5 level in Southbury, Connecticut at the moment?

PM2.5 levels in Southbury, Connecticut are currently 17.255 μg/m3.

Q: What is the PM10 level in Southbury, Connecticut at the moment?

The PM10 concentration in Southbury, Connecticut is 29.042 μg/m3 at the moment.

Stay updated with real-time air quality in Southbury, 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

Southbury, Connecticut

Last updated: ... (Local time)

Major air pollutants in Southbury, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

17.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.04 μg/m³

155

255

425

605+

Ozone (O₃)

20.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Southbury, Connecticut

Get Live Pollen Counts

Southbury, Connecticut

Scroll To Air Quality Map

Track live Southbury, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	22 \| good	4.085 \| good	14.85 \| good	20.116 \| good	0.313 \| good	12.838 \| good	0.22 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.559 \| good	15.995 \| good	20.477 \| good	0.411 \| good	10.773 \| good	0.251 \| good
2025-12-27T06:00:00.000Z	26 \| good	4.003 \| good	12.857 \| good	28.009 \| good	0.413 \| good	9.146 \| good	0.251 \| good
2025-12-27T07:00:00.000Z	27 \| good	4.802 \| good	16.232 \| good	26.033 \| good	0.412 \| good	8.017 \| good	0.258 \| good
2025-12-27T08:00:00.000Z	24 \| good	3.928 \| good	10.838 \| good	26.007 \| good	0.259 \| good	5.822 \| good	0.258 \| good
2025-12-27T09:00:00.000Z	25 \| good	4.109 \| good	14.571 \| good	26.628 \| good	0.325 \| good	6.859 \| good	0.201 \| good
2025-12-27T10:00:00.000Z	25 \| good	3.131 \| good	23.783 \| good	27.464 \| good	0.28 \| good	7.971 \| good	0.162 \| good
2025-12-27T11:00:00.000Z	22 \| good	4.396 \| good	17.014 \| good	23.496 \| good	0.307 \| good	7.178 \| good	0.162 \| good
2025-12-27T12:00:00.000Z	22 \| good	3.933 \| good	24.458 \| good	23.018 \| good	0.19 \| good	8.311 \| good	0.162 \| good
2025-12-27T13:00:00.000Z	24 \| good	4.167 \| good	25.528 \| good	25.064 \| good	0.22 \| good	7.572 \| good	0.162 \| good
2025-12-27T14:00:00.000Z	24 \| good	3.557 \| good	7.874 \| good	26.374 \| good	0.263 \| good	7.849 \| good	0.193 \| good
2025-12-27T15:00:00.000Z	25 \| good	3.924 \| good	17.038 \| good	27.291 \| good	0.227 \| good	7.542 \| good	0.193 \| good
2025-12-27T16:00:00.000Z	25 \| good	3.79 \| good	12.267 \| good	26.868 \| good	0.216 \| good	7.272 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	27 \| good	4.723 \| good	20.756 \| good	25.226 \| good	0.213 \| good	6.949 \| good	0.211 \| good
2025-12-27T18:00:00.000Z	25 \| good	3.798 \| good	11.935 \| good	27.152 \| good	0.219 \| good	6.7 \| good	0.193 \| good
2025-12-27T19:00:00.000Z	29 \| good	4.278 \| good	14.318 \| good	31.455 \| good	0.217 \| good	5.979 \| good	0.193 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.866 \| good	5.963 \| good	32.993 \| good	0.215 \| good	7.273 \| good	0.173 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.983 \| good	4.879 \| good	33.199 \| good	0.214 \| good	6.057 \| good	0.162 \| good
2025-12-27T22:00:00.000Z	31 \| good	4.524 \| good	16.946 \| good	33.515 \| good	0.21 \| good	8.46 \| good	0.232 \| good
2025-12-27T23:00:00.000Z	33 \| good	5.519 \| good	18.425 \| good	27.148 \| good	0.237 \| good	13.727 \| good	0.311 \| good
2025-12-28T00:00:00.000Z	38 \| good	6.956 \| good	17.888 \| good	25.507 \| good	0.193 \| good	16.775 \| good	0.348 \| good
2025-12-28T01:00:00.000Z	33 \| good	6.405 \| good	27.273 \| good	22.592 \| good	0.297 \| good	13.522 \| good	0.405 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.55 \| good	22.6 \| good	19.62 \| good	0.369 \| good	23.545 \| good	0.473 \| good
2025-12-28T03:00:00.000Z	54 \| moderate	11.446 \| good	50.534 \| good	14.569 \| good	1.099 \| good	13.067 \| good	0.245 \| good
2025-12-28T04:00:00.000Z	52 \| moderate	9.57 \| good	38.734 \| good	16.755 \| good	0.413 \| good	18.434 \| good	0.486 \| good
2025-12-28T05:00:00.000Z	49 \| good	8.861 \| good	40.263 \| good	19.068 \| good	0.307 \| good	22.573 \| good	0.495 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	11.574 \| good	26.798 \| good	18.105 \| good	0.429 \| good	20.932 \| good	0.344 \| good
2025-12-28T07:00:00.000Z	60 \| moderate	13.879 \| fine	40.655 \| good	19.415 \| good	0.382 \| good	16.61 \| good	0.389 \| good
2025-12-28T08:00:00.000Z	58 \| moderate	13.009 \| fine	38.468 \| good	12.36 \| good	0.228 \| good	23.419 \| good	0.291 \| good
2025-12-28T09:00:00.000Z	54 \| moderate	10.957 \| good	20.392 \| good	7.057 \| good	0.46 \| good	19.774 \| good	0.317 \| good
2025-12-28T10:00:00.000Z	52 \| moderate	10.315 \| good	32.89 \| good	7.489 \| good	0.38 \| good	23.679 \| good	0.415 \| good
2025-12-28T11:00:00.000Z	54 \| moderate	11.061 \| good	29.643 \| good	9.307 \| good	0.272 \| good	25.412 \| good	0.315 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	10.012 \| good	20.752 \| good	9.968 \| good	0.302 \| good	23.767 \| good	0.335 \| good
2025-12-28T13:00:00.000Z	44 \| good	8.353 \| good	18.366 \| good	10.542 \| good	0.301 \| good	22.534 \| good	0.335 \| good
2025-12-28T14:00:00.000Z	44 \| good	8.013 \| good	16.63 \| good	16.587 \| good	0.325 \| good	17.832 \| good	0.439 \| good
2025-12-28T15:00:00.000Z	44 \| good	8.488 \| good	23.845 \| good	14.703 \| good	0.247 \| good	19.724 \| good	0.308 \| good
2025-12-28T16:00:00.000Z	44 \| good	8.036 \| good	25.647 \| good	12.765 \| good	0.202 \| good	17.052 \| good	0.248 \| good
2025-12-28T17:00:00.000Z	49 \| good	8.663 \| good	40.995 \| good	18.607 \| good	0.202 \| good	14.165 \| good	0.229 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	9.556 \| good	35.085 \| good	23.893 \| good	0.239 \| good	12.294 \| good	0.239 \| good
2025-12-28T19:00:00.000Z	44 \| good	7.744 \| good	41.677 \| good	28.49 \| good	0.228 \| good	15.9 \| good	0.276 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.99 \| good	39.804 \| good	32.639 \| good	0.254 \| good	17.973 \| good	0.304 \| good
2025-12-28T21:00:00.000Z	56 \| moderate	11.747 \| good	52.567 \| good	26.134 \| good	0.242 \| good	21.849 \| good	0.325 \| good
2025-12-28T22:00:00.000Z	58 \| moderate	12.552 \| fine	59.347 \| fine	17.061 \| good	0.271 \| good	23.808 \| good	0.393 \| good
2025-12-28T23:00:00.000Z	56 \| moderate	12.038 \| good	37.583 \| good	7.303 \| good	0.26 \| good	23.569 \| good	0.386 \| good
2025-12-29T00:00:00.000Z	60 \| moderate	13.796 \| fine	42.033 \| good	11.628 \| good	0.31 \| good	26.661 \| good	0.379 \| good
2025-12-29T01:00:00.000Z	64 \| moderate	16.279 \| fine	22.134 \| good	9.652 \| good	0.243 \| good	21.52 \| good	0.33 \| good
2025-12-29T02:00:00.000Z	66 \| moderate	17.255 \| fine	29.042 \| good	20.99 \| good	0.177 \| good	22.743 \| good	0.33 \| good
2025-12-29T03:00:00.000Z	66 \| moderate	17.255 \| fine	29.042 \| good	20.99 \| good	0.177 \| good	22.743 \| good	0.33 \| good
2025-12-29T04:00:00.000Z	52 \| moderate	10.023 \| good	44.762 \| good	22.304 \| good	1.804 \| good	24.272 \| good	0.241 \| good
2025-12-29T05:00:00.000Z	38 \| good	7.298 \| good	32.053 \| good	23.558 \| good	1.328 \| good	19.333 \| good	0.213 \| good
2025-12-29T06:00:00.000Z	27 \| good	4.609 \| good	20.026 \| good	24.008 \| good	0.852 \| good	14.393 \| good	0.184 \| good
2025-12-29T07:00:00.000Z	20 \| good	3.199 \| good	14.02 \| good	22.297 \| good	0.844 \| good	11.362 \| good	0.172 \| good
2025-12-29T08:00:00.000Z	20 \| good	3.113 \| good	13.721 \| good	22.355 \| good	0.836 \| good	8.33 \| good	0.16 \| good
2025-12-29T09:00:00.000Z	18 \| good	3.026 \| good	12.356 \| good	18.654 \| good	0.829 \| good	5.298 \| good	0.148 \| good
2025-12-29T10:00:00.000Z	17 \| good	2.269 \| good	9.342 \| good	18.214 \| good	1.001 \| good	6.146 \| good	0.156 \| good
2025-12-29T11:00:00.000Z	16 \| good	3.126 \| good	12.868 \| good	16.403 \| good	1.174 \| good	6.994 \| good	0.164 \| good
2025-12-29T12:00:00.000Z	27 \| good	4.847 \| good	21.117 \| good	13.05 \| good	1.346 \| good	7.842 \| good	0.172 \| good
2025-12-29T13:00:00.000Z	38 \| good	7.01 \| good	31.107 \| good	12.106 \| good	1.477 \| good	9.461 \| good	0.185 \| good
2025-12-29T14:00:00.000Z	44 \| good	8.066 \| good	35.639 \| good	11.95 \| good	1.607 \| good	11.081 \| good	0.198 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.743 \| good	38.036 \| good	10.459 \| good	1.737 \| good	12.7 \| good	0.211 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.382 \| good	36.919 \| good	8.045 \| good	1.749 \| good	13.233 \| good	0.213 \| good
2025-12-29T17:00:00.000Z	44 \| good	8.379 \| good	36.973 \| good	10.596 \| good	1.762 \| good	13.765 \| good	0.215 \| good
2025-12-29T18:00:00.000Z	44 \| good	8.097 \| good	35.412 \| good	18.117 \| good	1.774 \| good	14.298 \| good	0.217 \| good
2025-12-29T19:00:00.000Z	30 \| good	5.257 \| good	22.599 \| good	31.648 \| good	1.698 \| good	11.295 \| good	0.2 \| good
2025-12-29T20:00:00.000Z	36 \| good	2.625 \| good	11.067 \| good	39.05 \| good	1.621 \| good	8.293 \| good	0.183 \| good
2025-12-29T21:00:00.000Z	35 \| good	2.957 \| good	12.213 \| good	37.603 \| good	1.544 \| good	5.29 \| good	0.166 \| good
2025-12-29T22:00:00.000Z	29 \| good	4.434 \| good	19.017 \| good	31.427 \| good	1.399 \| good	4.437 \| good	0.169 \| good
2025-12-29T23:00:00.000Z	23 \| good	3.056 \| good	12.233 \| good	24.514 \| good	1.255 \| good	3.583 \| good	0.172 \| good
2025-12-30T00:00:00.000Z	17 \| good	2.528 \| good	10 \| good	18.226 \| good	1.111 \| good	2.73 \| good	0.175 \| good
2025-12-30T01:00:00.000Z	17 \| good	1.736 \| good	7.043 \| good	17.819 \| good	0.964 \| good	2.739 \| good	0.172 \| good
2025-12-30T02:00:00.000Z	18 \| good	1.595 \| good	6.158 \| good	19.041 \| good	0.818 \| good	2.748 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	19 \| good	1.148 \| good	4.837 \| good	20.423 \| good	0.672 \| good	2.757 \| good	0.165 \| good
2025-12-30T04:00:00.000Z	21 \| good	1.174 \| good	4.893 \| good	22.52 \| good	0.557 \| good	2.284 \| good	0.158 \| good
2025-12-30T05:00:00.000Z	27 \| good	0.756 \| good	2.981 \| good	28.958 \| good	0.443 \| good	1.81 \| good	0.151 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.734 \| good	2.873 \| good	31.792 \| good	0.328 \| good	1.337 \| good	0.143 \| good
2025-12-30T07:00:00.000Z	29 \| good	0.76 \| good	3.003 \| good	30.76 \| good	0.296 \| good	1.176 \| good	0.142 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.008 \| good	3.938 \| good	30.66 \| good	0.265 \| good	1.014 \| good	0.14 \| good
2025-12-30T09:00:00.000Z	26 \| good	0.649 \| good	2.171 \| good	27.699 \| good	0.233 \| good	0.852 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	0.506 \| good	1.953 \| good	27.822 \| good	0.264 \| good	1.079 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	27 \| good	0.17 \| good	0.168 \| good	29.11 \| good	0.295 \| good	1.305 \| good	0.144 \| good
2025-12-30T12:00:00.000Z	28 \| good	0.083 \| good	0 \| good	29.556 \| good	0.326 \| good	1.532 \| good	0.146 \| good
2025-12-30T13:00:00.000Z	29 \| good	0.185 \| good	0.752 \| good	31.287 \| good	0.33 \| good	1.455 \| good	0.146 \| good
2025-12-30T14:00:00.000Z	30 \| good	0.126 \| good	0 \| good	32.202 \| good	0.334 \| good	1.377 \| good	0.145 \| good
2025-12-30T15:00:00.000Z	31 \| good	0.184 \| good	0.248 \| good	32.791 \| good	0.338 \| good	1.3 \| good	0.144 \| good
2025-12-30T16:00:00.000Z	31 \| good	0.361 \| good	1.214 \| good	34.077 \| good	0.332 \| good	1.253 \| good	0.142 \| good
2025-12-30T17:00:00.000Z	32 \| good	0.613 \| good	2.106 \| good	34.592 \| good	0.325 \| good	1.206 \| good	0.14 \| good
2025-12-30T18:00:00.000Z	32 \| good	1.097 \| good	4.197 \| good	35.408 \| good	0.319 \| good	1.159 \| good	0.138 \| good
2025-12-30T19:00:00.000Z	33 \| good	1.252 \| good	5 \| good	36.067 \| good	0.365 \| good	1.419 \| good	0.137 \| good
2025-12-30T20:00:00.000Z	34 \| good	0.747 \| good	2.983 \| good	37.136 \| good	0.412 \| good	1.679 \| good	0.136 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.51 \| good	1.983 \| good	38.057 \| good	0.458 \| good	1.94 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	34 \| good	0.94 \| good	3.98 \| good	37.311 \| good	0.507 \| good	2.234 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	33 \| good	0.509 \| good	2 \| good	35.609 \| good	0.557 \| good	2.528 \| good	0.138 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.913 \| good	1.993 \| good	39.636 \| good	0.605 \| good	2.808 \| good	0.139 \| good
2025-12-31T01:00:00.000Z	29 \| good	0.179 \| good	0.168 \| good	30.638 \| good	0.58 \| good	2.708 \| good	0.139 \| good
2025-12-31T02:00:00.000Z	30 \| good	0.233 \| good	0.84 \| good	31.693 \| good	0.553 \| good	2.594 \| good	0.138 \| good
2025-12-31T03:00:00.000Z	30 \| good	0.158 \| good	0.132 \| good	32.439 \| good	0.526 \| good	2.48 \| good	0.138 \| good

Southbury

Get reliable air quality data to drive your business

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

0.32ppm

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 Southbury, Connecticut?

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

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

In the past 24 hours, the air quality in Southbury, Connecticut was at its worst at 02:00:00 on 2025-12-29.

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

In the last 24 hours, the best air quality in Southbury, Connecticut was observed at 08:00:00 on 2025-12-28.

What is the AQI in Southbury, Connecticut right now?

As of now, the AQI in Southbury, Connecticut is 66, indicating Moderate conditions.

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

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

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

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

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

PM_2.5 levels in Southbury, Connecticut are currently 17.255 μg/m³.

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

The PM₁₀ concentration in Southbury, Connecticut is 29.042 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Southbury, Connecticut is 0.33 ppm.

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

Currently, Southbury, Connecticut has a sulfur dioxide (SO₂) concentration of 0.177 ppb.

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

The current ozone (O₃) level in Southbury, Connecticut at the moment is 20.99 ppm.

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

Nitrogen dioxide (NO₂) level in Southbury, Connecticut at the moment is 22.743 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	22 \| good	4.085 \| good	14.85 \| good	20.116 \| good	0.313 \| good	12.838 \| good	0.22 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.559 \| good	15.995 \| good	20.477 \| good	0.411 \| good	10.773 \| good	0.251 \| good
2025-12-27T06:00:00.000Z	26 \| good	4.003 \| good	12.857 \| good	28.009 \| good	0.413 \| good	9.146 \| good	0.251 \| good
2025-12-27T07:00:00.000Z	27 \| good	4.802 \| good	16.232 \| good	26.033 \| good	0.412 \| good	8.017 \| good	0.258 \| good
2025-12-27T08:00:00.000Z	24 \| good	3.928 \| good	10.838 \| good	26.007 \| good	0.259 \| good	5.822 \| good	0.258 \| good
2025-12-27T09:00:00.000Z	25 \| good	4.109 \| good	14.571 \| good	26.628 \| good	0.325 \| good	6.859 \| good	0.201 \| good
2025-12-27T10:00:00.000Z	25 \| good	3.131 \| good	23.783 \| good	27.464 \| good	0.28 \| good	7.971 \| good	0.162 \| good
2025-12-27T11:00:00.000Z	22 \| good	4.396 \| good	17.014 \| good	23.496 \| good	0.307 \| good	7.178 \| good	0.162 \| good
2025-12-27T12:00:00.000Z	22 \| good	3.933 \| good	24.458 \| good	23.018 \| good	0.19 \| good	8.311 \| good	0.162 \| good
2025-12-27T13:00:00.000Z	24 \| good	4.167 \| good	25.528 \| good	25.064 \| good	0.22 \| good	7.572 \| good	0.162 \| good
2025-12-27T14:00:00.000Z	24 \| good	3.557 \| good	7.874 \| good	26.374 \| good	0.263 \| good	7.849 \| good	0.193 \| good
2025-12-27T15:00:00.000Z	25 \| good	3.924 \| good	17.038 \| good	27.291 \| good	0.227 \| good	7.542 \| good	0.193 \| good
2025-12-27T16:00:00.000Z	25 \| good	3.79 \| good	12.267 \| good	26.868 \| good	0.216 \| good	7.272 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	27 \| good	4.723 \| good	20.756 \| good	25.226 \| good	0.213 \| good	6.949 \| good	0.211 \| good
2025-12-27T18:00:00.000Z	25 \| good	3.798 \| good	11.935 \| good	27.152 \| good	0.219 \| good	6.7 \| good	0.193 \| good
2025-12-27T19:00:00.000Z	29 \| good	4.278 \| good	14.318 \| good	31.455 \| good	0.217 \| good	5.979 \| good	0.193 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.866 \| good	5.963 \| good	32.993 \| good	0.215 \| good	7.273 \| good	0.173 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.983 \| good	4.879 \| good	33.199 \| good	0.214 \| good	6.057 \| good	0.162 \| good
2025-12-27T22:00:00.000Z	31 \| good	4.524 \| good	16.946 \| good	33.515 \| good	0.21 \| good	8.46 \| good	0.232 \| good
2025-12-27T23:00:00.000Z	33 \| good	5.519 \| good	18.425 \| good	27.148 \| good	0.237 \| good	13.727 \| good	0.311 \| good
2025-12-28T00:00:00.000Z	38 \| good	6.956 \| good	17.888 \| good	25.507 \| good	0.193 \| good	16.775 \| good	0.348 \| good
2025-12-28T01:00:00.000Z	33 \| good	6.405 \| good	27.273 \| good	22.592 \| good	0.297 \| good	13.522 \| good	0.405 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.55 \| good	22.6 \| good	19.62 \| good	0.369 \| good	23.545 \| good	0.473 \| good
2025-12-28T03:00:00.000Z	54 \| moderate	11.446 \| good	50.534 \| good	14.569 \| good	1.099 \| good	13.067 \| good	0.245 \| good
2025-12-28T04:00:00.000Z	52 \| moderate	9.57 \| good	38.734 \| good	16.755 \| good	0.413 \| good	18.434 \| good	0.486 \| good
2025-12-28T05:00:00.000Z	49 \| good	8.861 \| good	40.263 \| good	19.068 \| good	0.307 \| good	22.573 \| good	0.495 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	11.574 \| good	26.798 \| good	18.105 \| good	0.429 \| good	20.932 \| good	0.344 \| good
2025-12-28T07:00:00.000Z	60 \| moderate	13.879 \| fine	40.655 \| good	19.415 \| good	0.382 \| good	16.61 \| good	0.389 \| good
2025-12-28T08:00:00.000Z	58 \| moderate	13.009 \| fine	38.468 \| good	12.36 \| good	0.228 \| good	23.419 \| good	0.291 \| good
2025-12-28T09:00:00.000Z	54 \| moderate	10.957 \| good	20.392 \| good	7.057 \| good	0.46 \| good	19.774 \| good	0.317 \| good
2025-12-28T10:00:00.000Z	52 \| moderate	10.315 \| good	32.89 \| good	7.489 \| good	0.38 \| good	23.679 \| good	0.415 \| good
2025-12-28T11:00:00.000Z	54 \| moderate	11.061 \| good	29.643 \| good	9.307 \| good	0.272 \| good	25.412 \| good	0.315 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	10.012 \| good	20.752 \| good	9.968 \| good	0.302 \| good	23.767 \| good	0.335 \| good
2025-12-28T13:00:00.000Z	44 \| good	8.353 \| good	18.366 \| good	10.542 \| good	0.301 \| good	22.534 \| good	0.335 \| good
2025-12-28T14:00:00.000Z	44 \| good	8.013 \| good	16.63 \| good	16.587 \| good	0.325 \| good	17.832 \| good	0.439 \| good
2025-12-28T15:00:00.000Z	44 \| good	8.488 \| good	23.845 \| good	14.703 \| good	0.247 \| good	19.724 \| good	0.308 \| good
2025-12-28T16:00:00.000Z	44 \| good	8.036 \| good	25.647 \| good	12.765 \| good	0.202 \| good	17.052 \| good	0.248 \| good
2025-12-28T17:00:00.000Z	49 \| good	8.663 \| good	40.995 \| good	18.607 \| good	0.202 \| good	14.165 \| good	0.229 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	9.556 \| good	35.085 \| good	23.893 \| good	0.239 \| good	12.294 \| good	0.239 \| good
2025-12-28T19:00:00.000Z	44 \| good	7.744 \| good	41.677 \| good	28.49 \| good	0.228 \| good	15.9 \| good	0.276 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.99 \| good	39.804 \| good	32.639 \| good	0.254 \| good	17.973 \| good	0.304 \| good
2025-12-28T21:00:00.000Z	56 \| moderate	11.747 \| good	52.567 \| good	26.134 \| good	0.242 \| good	21.849 \| good	0.325 \| good
2025-12-28T22:00:00.000Z	58 \| moderate	12.552 \| fine	59.347 \| fine	17.061 \| good	0.271 \| good	23.808 \| good	0.393 \| good
2025-12-28T23:00:00.000Z	56 \| moderate	12.038 \| good	37.583 \| good	7.303 \| good	0.26 \| good	23.569 \| good	0.386 \| good
2025-12-29T00:00:00.000Z	60 \| moderate	13.796 \| fine	42.033 \| good	11.628 \| good	0.31 \| good	26.661 \| good	0.379 \| good
2025-12-29T01:00:00.000Z	64 \| moderate	16.279 \| fine	22.134 \| good	9.652 \| good	0.243 \| good	21.52 \| good	0.33 \| good
2025-12-29T02:00:00.000Z	66 \| moderate	17.255 \| fine	29.042 \| good	20.99 \| good	0.177 \| good	22.743 \| good	0.33 \| good
2025-12-29T03:00:00.000Z	66 \| moderate	17.255 \| fine	29.042 \| good	20.99 \| good	0.177 \| good	22.743 \| good	0.33 \| good
2025-12-29T04:00:00.000Z	52 \| moderate	10.023 \| good	44.762 \| good	22.304 \| good	1.804 \| good	24.272 \| good	0.241 \| good
2025-12-29T05:00:00.000Z	38 \| good	7.298 \| good	32.053 \| good	23.558 \| good	1.328 \| good	19.333 \| good	0.213 \| good
2025-12-29T06:00:00.000Z	27 \| good	4.609 \| good	20.026 \| good	24.008 \| good	0.852 \| good	14.393 \| good	0.184 \| good
2025-12-29T07:00:00.000Z	20 \| good	3.199 \| good	14.02 \| good	22.297 \| good	0.844 \| good	11.362 \| good	0.172 \| good
2025-12-29T08:00:00.000Z	20 \| good	3.113 \| good	13.721 \| good	22.355 \| good	0.836 \| good	8.33 \| good	0.16 \| good
2025-12-29T09:00:00.000Z	18 \| good	3.026 \| good	12.356 \| good	18.654 \| good	0.829 \| good	5.298 \| good	0.148 \| good
2025-12-29T10:00:00.000Z	17 \| good	2.269 \| good	9.342 \| good	18.214 \| good	1.001 \| good	6.146 \| good	0.156 \| good
2025-12-29T11:00:00.000Z	16 \| good	3.126 \| good	12.868 \| good	16.403 \| good	1.174 \| good	6.994 \| good	0.164 \| good
2025-12-29T12:00:00.000Z	27 \| good	4.847 \| good	21.117 \| good	13.05 \| good	1.346 \| good	7.842 \| good	0.172 \| good
2025-12-29T13:00:00.000Z	38 \| good	7.01 \| good	31.107 \| good	12.106 \| good	1.477 \| good	9.461 \| good	0.185 \| good
2025-12-29T14:00:00.000Z	44 \| good	8.066 \| good	35.639 \| good	11.95 \| good	1.607 \| good	11.081 \| good	0.198 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.743 \| good	38.036 \| good	10.459 \| good	1.737 \| good	12.7 \| good	0.211 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.382 \| good	36.919 \| good	8.045 \| good	1.749 \| good	13.233 \| good	0.213 \| good
2025-12-29T17:00:00.000Z	44 \| good	8.379 \| good	36.973 \| good	10.596 \| good	1.762 \| good	13.765 \| good	0.215 \| good
2025-12-29T18:00:00.000Z	44 \| good	8.097 \| good	35.412 \| good	18.117 \| good	1.774 \| good	14.298 \| good	0.217 \| good
2025-12-29T19:00:00.000Z	30 \| good	5.257 \| good	22.599 \| good	31.648 \| good	1.698 \| good	11.295 \| good	0.2 \| good
2025-12-29T20:00:00.000Z	36 \| good	2.625 \| good	11.067 \| good	39.05 \| good	1.621 \| good	8.293 \| good	0.183 \| good
2025-12-29T21:00:00.000Z	35 \| good	2.957 \| good	12.213 \| good	37.603 \| good	1.544 \| good	5.29 \| good	0.166 \| good
2025-12-29T22:00:00.000Z	29 \| good	4.434 \| good	19.017 \| good	31.427 \| good	1.399 \| good	4.437 \| good	0.169 \| good
2025-12-29T23:00:00.000Z	23 \| good	3.056 \| good	12.233 \| good	24.514 \| good	1.255 \| good	3.583 \| good	0.172 \| good
2025-12-30T00:00:00.000Z	17 \| good	2.528 \| good	10 \| good	18.226 \| good	1.111 \| good	2.73 \| good	0.175 \| good
2025-12-30T01:00:00.000Z	17 \| good	1.736 \| good	7.043 \| good	17.819 \| good	0.964 \| good	2.739 \| good	0.172 \| good
2025-12-30T02:00:00.000Z	18 \| good	1.595 \| good	6.158 \| good	19.041 \| good	0.818 \| good	2.748 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	19 \| good	1.148 \| good	4.837 \| good	20.423 \| good	0.672 \| good	2.757 \| good	0.165 \| good
2025-12-30T04:00:00.000Z	21 \| good	1.174 \| good	4.893 \| good	22.52 \| good	0.557 \| good	2.284 \| good	0.158 \| good
2025-12-30T05:00:00.000Z	27 \| good	0.756 \| good	2.981 \| good	28.958 \| good	0.443 \| good	1.81 \| good	0.151 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.734 \| good	2.873 \| good	31.792 \| good	0.328 \| good	1.337 \| good	0.143 \| good
2025-12-30T07:00:00.000Z	29 \| good	0.76 \| good	3.003 \| good	30.76 \| good	0.296 \| good	1.176 \| good	0.142 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.008 \| good	3.938 \| good	30.66 \| good	0.265 \| good	1.014 \| good	0.14 \| good
2025-12-30T09:00:00.000Z	26 \| good	0.649 \| good	2.171 \| good	27.699 \| good	0.233 \| good	0.852 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	0.506 \| good	1.953 \| good	27.822 \| good	0.264 \| good	1.079 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	27 \| good	0.17 \| good	0.168 \| good	29.11 \| good	0.295 \| good	1.305 \| good	0.144 \| good
2025-12-30T12:00:00.000Z	28 \| good	0.083 \| good	0 \| good	29.556 \| good	0.326 \| good	1.532 \| good	0.146 \| good
2025-12-30T13:00:00.000Z	29 \| good	0.185 \| good	0.752 \| good	31.287 \| good	0.33 \| good	1.455 \| good	0.146 \| good
2025-12-30T14:00:00.000Z	30 \| good	0.126 \| good	0 \| good	32.202 \| good	0.334 \| good	1.377 \| good	0.145 \| good
2025-12-30T15:00:00.000Z	31 \| good	0.184 \| good	0.248 \| good	32.791 \| good	0.338 \| good	1.3 \| good	0.144 \| good
2025-12-30T16:00:00.000Z	31 \| good	0.361 \| good	1.214 \| good	34.077 \| good	0.332 \| good	1.253 \| good	0.142 \| good
2025-12-30T17:00:00.000Z	32 \| good	0.613 \| good	2.106 \| good	34.592 \| good	0.325 \| good	1.206 \| good	0.14 \| good
2025-12-30T18:00:00.000Z	32 \| good	1.097 \| good	4.197 \| good	35.408 \| good	0.319 \| good	1.159 \| good	0.138 \| good
2025-12-30T19:00:00.000Z	33 \| good	1.252 \| good	5 \| good	36.067 \| good	0.365 \| good	1.419 \| good	0.137 \| good
2025-12-30T20:00:00.000Z	34 \| good	0.747 \| good	2.983 \| good	37.136 \| good	0.412 \| good	1.679 \| good	0.136 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.51 \| good	1.983 \| good	38.057 \| good	0.458 \| good	1.94 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	34 \| good	0.94 \| good	3.98 \| good	37.311 \| good	0.507 \| good	2.234 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	33 \| good	0.509 \| good	2 \| good	35.609 \| good	0.557 \| good	2.528 \| good	0.138 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.913 \| good	1.993 \| good	39.636 \| good	0.605 \| good	2.808 \| good	0.139 \| good
2025-12-31T01:00:00.000Z	29 \| good	0.179 \| good	0.168 \| good	30.638 \| good	0.58 \| good	2.708 \| good	0.139 \| good
2025-12-31T02:00:00.000Z	30 \| good	0.233 \| good	0.84 \| good	31.693 \| good	0.553 \| good	2.594 \| good	0.138 \| good
2025-12-31T03:00:00.000Z	30 \| good	0.158 \| good	0.132 \| good	32.439 \| good	0.526 \| good	2.48 \| good	0.138 \| good

Live air quality index in Southbury, Connecticut today

Major air pollutants in Southbury, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Southbury, Connecticut air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Oxford, Connecticut

Newtown, Connecticut

Naugatuck, Connecticut

Brookfield, Connecticut

Seymour, Connecticut

Waterbury, Connecticut

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Southbury, Connecticut?

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

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

What is the AQI in Southbury, Connecticut right now?

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

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

What is the PM2.5 level in Southbury, Connecticut at the moment?

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

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

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

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

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

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

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

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

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