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

The PM10 concentration in Simsbury, Connecticut is 51.96 μg/m3 at the moment.

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

Currently, Simsbury, Connecticut has a sulfur dioxide (SO2) concentration of 0.31 ppb.

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

The current ozone (O3) level in Simsbury, Connecticut at the moment is 19.582 ppm.

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

Nitrogen dioxide (NO2) level in Simsbury, Connecticut at the moment is 15.436 ppb.

Live air quality index in Simsbury, Connecticut today

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

PM2.5 levels in Simsbury, Connecticut are currently 12.211 μg/m3.

Stay updated with real-time air quality in Simsbury, 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

Simsbury, Connecticut

Last updated: ... (Local time)

Major air pollutants in Simsbury, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

43.34 μg/m³

155

255

425

605+

Ozone (O₃)

20.36 ppb

201

201+

Sulfur Dioxide (SO₂)

0.23 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

28.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Simsbury, Connecticut

Get Live Pollen Counts

Simsbury, Connecticut

Scroll To Air Quality Map

Track live Simsbury, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	27 \| good	4.517 \| good	18.053 \| good	28.18 \| good	0.215 \| good	11.823 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	25 \| good	4.356 \| good	23.226 \| good	27.451 \| good	0.204 \| good	10.067 \| good	0.216 \| good
2025-12-27T06:00:00.000Z	27 \| good	5.304 \| good	11.505 \| good	27.03 \| good	0.204 \| good	8.686 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	24 \| good	3.853 \| good	16.685 \| good	25.566 \| good	0.204 \| good	7.609 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	26 \| good	4.211 \| good	14.874 \| good	28.018 \| good	0.154 \| good	6.985 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	26 \| good	4.129 \| good	19.331 \| good	28.256 \| good	0.234 \| good	7.42 \| good	0.151 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.786 \| good	13.543 \| good	22.875 \| good	0.187 \| good	9.549 \| good	0.14 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.691 \| good	16.583 \| good	23.206 \| good	0.196 \| good	7.88 \| good	0.131 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.916 \| good	19.018 \| good	26.794 \| good	0.139 \| good	8.541 \| good	0.131 \| good
2025-12-27T13:00:00.000Z	26 \| good	3.877 \| good	14.214 \| good	28.275 \| good	0.168 \| good	7.992 \| good	0.131 \| good
2025-12-27T14:00:00.000Z	25 \| good	3.815 \| good	12.116 \| good	27.377 \| good	0.229 \| good	7.63 \| good	0.171 \| good
2025-12-27T15:00:00.000Z	26 \| good	4 \| good	19.227 \| good	27.926 \| good	0.204 \| good	7.032 \| good	0.171 \| good
2025-12-27T16:00:00.000Z	26 \| good	3.775 \| good	16.725 \| good	28.219 \| good	0.194 \| good	5.648 \| good	0.21 \| good
2025-12-27T17:00:00.000Z	26 \| good	3.584 \| good	19.583 \| good	28.378 \| good	0.194 \| good	5.956 \| good	0.219 \| good
2025-12-27T18:00:00.000Z	29 \| good	4.217 \| good	16.485 \| good	30.871 \| good	0.205 \| good	5.613 \| good	0.161 \| good
2025-12-27T19:00:00.000Z	31 \| good	4.312 \| good	17.927 \| good	33.132 \| good	0.204 \| good	5.869 \| good	0.161 \| good
2025-12-27T20:00:00.000Z	30 \| good	3.753 \| good	5.075 \| good	32.345 \| good	0.204 \| good	7.263 \| good	0.151 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.96 \| good	4.759 \| good	33.463 \| good	0.204 \| good	5.333 \| good	0.166 \| good
2025-12-27T22:00:00.000Z	28 \| good	4.599 \| good	17.918 \| good	30.298 \| good	0.203 \| good	7.29 \| good	0.24 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.877 \| good	14.276 \| good	28.406 \| good	0.273 \| good	13.369 \| good	0.324 \| good
2025-12-28T00:00:00.000Z	33 \| good	5.743 \| good	14.294 \| good	24.423 \| good	0.311 \| good	16.249 \| good	0.444 \| good
2025-12-28T01:00:00.000Z	33 \| good	5.617 \| good	18.967 \| good	24.423 \| good	0.462 \| good	13.647 \| good	0.604 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.059 \| good	28.715 \| good	17.513 \| good	0.505 \| good	23.031 \| good	0.684 \| good
2025-12-28T03:00:00.000Z	49 \| good	8.751 \| good	38.411 \| good	14.01 \| good	1.241 \| good	12.838 \| good	0.246 \| good
2025-12-28T04:00:00.000Z	33 \| good	6.394 \| good	32.976 \| good	18.117 \| good	0.54 \| good	18.167 \| good	0.629 \| good
2025-12-28T05:00:00.000Z	33 \| good	5.807 \| good	22.876 \| good	23.075 \| good	0.287 \| good	21.466 \| good	0.632 \| good
2025-12-28T06:00:00.000Z	44 \| good	7.87 \| good	22.991 \| good	14.02 \| good	0.601 \| good	23.888 \| good	0.457 \| good
2025-12-28T07:00:00.000Z	33 \| good	6.457 \| good	15.235 \| good	11.588 \| good	0.588 \| good	15.27 \| good	0.488 \| good
2025-12-28T08:00:00.000Z	49 \| good	8.817 \| good	35.919 \| good	13.171 \| good	0.406 \| good	26.183 \| good	0.431 \| good
2025-12-28T09:00:00.000Z	52 \| moderate	10.022 \| good	26.547 \| good	12.144 \| good	0.558 \| good	15.305 \| good	0.539 \| good
2025-12-28T10:00:00.000Z	33 \| good	6.417 \| good	29.673 \| good	7.543 \| good	0.528 \| good	13.42 \| good	0.568 \| good
2025-12-28T11:00:00.000Z	49 \| good	9.056 \| good	38.609 \| good	11.78 \| good	0.382 \| good	14.522 \| good	0.45 \| good
2025-12-28T12:00:00.000Z	44 \| good	7.619 \| good	22.753 \| good	15.946 \| good	0.362 \| good	18.199 \| good	0.491 \| good
2025-12-28T13:00:00.000Z	27 \| good	5.181 \| good	26.186 \| good	9.941 \| good	0.363 \| good	18.083 \| good	0.477 \| good
2025-12-28T14:00:00.000Z	38 \| good	6.643 \| good	39.009 \| good	16.433 \| good	0.384 \| good	19.886 \| good	0.653 \| good
2025-12-28T15:00:00.000Z	38 \| good	6.827 \| good	20.395 \| good	11.995 \| good	0.253 \| good	9.692 \| good	0.379 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	10.185 \| good	36.443 \| good	16.984 \| good	0.238 \| good	9.518 \| good	0.305 \| good
2025-12-28T17:00:00.000Z	44 \| good	7.964 \| good	35.572 \| good	21.198 \| good	0.226 \| good	7.714 \| good	0.243 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	9.533 \| good	34.844 \| good	23.99 \| good	0.262 \| good	10.596 \| good	0.237 \| good
2025-12-28T19:00:00.000Z	38 \| good	7.356 \| good	21.433 \| good	27.272 \| good	0.252 \| good	11.856 \| good	0.335 \| good
2025-12-28T20:00:00.000Z	38 \| good	7.167 \| good	20.244 \| good	24.023 \| good	0.278 \| good	14.416 \| good	0.385 \| good
2025-12-28T21:00:00.000Z	38 \| good	6.71 \| good	19.934 \| good	29.026 \| good	0.268 \| good	18.421 \| good	0.368 \| good
2025-12-28T22:00:00.000Z	33 \| good	6.423 \| good	36.031 \| good	31.37 \| good	0.248 \| good	23.423 \| good	0.498 \| good
2025-12-28T23:00:00.000Z	47 \| good	7.415 \| good	51.184 \| good	31.392 \| good	0.234 \| good	20.19 \| good	0.47 \| good
2025-12-29T00:00:00.000Z	56 \| moderate	12.211 \| fine	51.96 \| good	19.582 \| good	0.31 \| good	15.436 \| good	0.366 \| good
2025-12-29T01:00:00.000Z	60 \| moderate	14.241 \| fine	44.834 \| good	13.762 \| good	0.239 \| good	23.847 \| good	0.279 \| good
2025-12-29T02:00:00.000Z	56 \| moderate	11.858 \| good	43.341 \| good	20.36 \| good	0.227 \| good	28.718 \| good	0.272 \| good
2025-12-29T03:00:00.000Z	56 \| moderate	11.858 \| good	43.341 \| good	20.36 \| good	0.227 \| good	28.718 \| good	0.272 \| good
2025-12-29T02:00:00.000Z	71 \| moderate	20.029 \| fine	88.933 \| fine	4.96 \| good	2.551 \| good	26.155 \| good	0.275 \| good
2025-12-29T03:00:00.000Z	69 \| moderate	18.701 \| fine	82.939 \| fine	9.715 \| good	2.606 \| good	27.69 \| good	0.271 \| good
2025-12-29T04:00:00.000Z	60 \| moderate	13.614 \| fine	60.993 \| fine	17.35 \| good	2.038 \| good	23.25 \| good	0.246 \| good
2025-12-29T05:00:00.000Z	52 \| moderate	10.014 \| good	44.942 \| good	22.817 \| good	1.47 \| good	18.81 \| good	0.221 \| good
2025-12-29T06:00:00.000Z	33 \| good	5.977 \| good	26.948 \| good	28.198 \| good	0.902 \| good	14.37 \| good	0.196 \| good
2025-12-29T07:00:00.000Z	27 \| good	4.057 \| good	17.983 \| good	28.509 \| good	0.826 \| good	11.117 \| good	0.179 \| good
2025-12-29T08:00:00.000Z	27 \| good	3.369 \| good	14.996 \| good	29.2 \| good	0.749 \| good	7.864 \| good	0.163 \| good
2025-12-29T09:00:00.000Z	27 \| good	2.73 \| good	11 \| good	28.941 \| good	0.673 \| good	4.611 \| good	0.147 \| good
2025-12-29T10:00:00.000Z	25 \| good	2.408 \| good	9.997 \| good	27.29 \| good	0.82 \| good	5.123 \| good	0.154 \| good
2025-12-29T11:00:00.000Z	24 \| good	2.859 \| good	11.992 \| good	26.034 \| good	0.967 \| good	5.636 \| good	0.16 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.199 \| good	18.972 \| good	23.014 \| good	1.114 \| good	6.148 \| good	0.167 \| good
2025-12-29T13:00:00.000Z	33 \| good	5.88 \| good	25.044 \| good	20.988 \| good	1.247 \| good	7.385 \| good	0.179 \| good
2025-12-29T14:00:00.000Z	44 \| good	7.53 \| good	33.01 \| good	15.867 \| good	1.379 \| good	8.621 \| good	0.191 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.778 \| good	38.039 \| good	13.581 \| good	1.511 \| good	9.858 \| good	0.203 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.858 \| good	39.009 \| good	13.826 \| good	1.488 \| good	10.688 \| good	0.205 \| good
2025-12-29T17:00:00.000Z	49 \| good	9.266 \| good	40.999 \| good	15.728 \| good	1.464 \| good	11.518 \| good	0.207 \| good
2025-12-29T18:00:00.000Z	33 \| good	5.99 \| good	26.959 \| good	27.52 \| good	1.441 \| good	12.349 \| good	0.21 \| good
2025-12-29T19:00:00.000Z	34 \| good	3.089 \| good	12.059 \| good	37.229 \| good	1.455 \| good	10.349 \| good	0.199 \| good
2025-12-29T20:00:00.000Z	37 \| good	1.161 \| good	5 \| good	39.648 \| good	1.469 \| good	8.349 \| good	0.189 \| good
2025-12-29T21:00:00.000Z	34 \| good	2.271 \| good	9.027 \| good	36.907 \| good	1.484 \| good	6.349 \| good	0.178 \| good
2025-12-29T22:00:00.000Z	29 \| good	4.68 \| good	20.02 \| good	30.567 \| good	1.33 \| good	5.058 \| good	0.177 \| good
2025-12-29T23:00:00.000Z	25 \| good	4.429 \| good	19.021 \| good	27.038 \| good	1.175 \| good	3.767 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	23 \| good	3.181 \| good	13.977 \| good	25.191 \| good	1.021 \| good	2.475 \| good	0.175 \| good
2025-12-30T01:00:00.000Z	20 \| good	2.88 \| good	11.979 \| good	21.979 \| good	0.849 \| good	2.402 \| good	0.171 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.369 \| good	9.975 \| good	20.447 \| good	0.676 \| good	2.328 \| good	0.167 \| good
2025-12-30T03:00:00.000Z	22 \| good	2.667 \| good	10.988 \| good	24.203 \| good	0.503 \| good	2.254 \| good	0.164 \| good
2025-12-30T04:00:00.000Z	28 \| good	1.784 \| good	7.013 \| good	29.911 \| good	0.43 \| good	1.877 \| good	0.157 \| good
2025-12-30T05:00:00.000Z	30 \| good	1.179 \| good	4.996 \| good	31.936 \| good	0.357 \| good	1.5 \| good	0.15 \| good
2025-12-30T06:00:00.000Z	30 \| good	1.051 \| good	4.004 \| good	32.39 \| good	0.283 \| good	1.123 \| good	0.143 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.87 \| good	3.019 \| good	31.838 \| good	0.269 \| good	1.021 \| good	0.141 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.551 \| good	2.003 \| good	32.787 \| good	0.255 \| good	0.918 \| good	0.139 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.311 \| good	1.011 \| good	33.612 \| good	0.241 \| good	0.816 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.221 \| good	0.987 \| good	34.201 \| good	0.266 \| good	1.017 \| good	0.14 \| good
2025-12-30T11:00:00.000Z	33 \| good	0.4 \| good	1.981 \| good	35.852 \| good	0.291 \| good	1.218 \| good	0.142 \| good
2025-12-30T12:00:00.000Z	32 \| good	0.33 \| good	1.001 \| good	34.871 \| good	0.316 \| good	1.419 \| good	0.144 \| good
2025-12-30T13:00:00.000Z	33 \| good	0.478 \| good	1.993 \| good	36.397 \| good	0.311 \| good	1.336 \| good	0.143 \| good
2025-12-30T14:00:00.000Z	32 \| good	0.34 \| good	1.006 \| good	35.212 \| good	0.305 \| good	1.253 \| good	0.142 \| good
2025-12-30T15:00:00.000Z	32 \| good	0.35 \| good	1.013 \| good	35.33 \| good	0.3 \| good	1.17 \| good	0.141 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.122 \| good	0.005 \| good	36.378 \| good	0.292 \| good	1.127 \| good	0.14 \| good
2025-12-30T17:00:00.000Z	35 \| good	0.091 \| good	0 \| good	38.077 \| good	0.284 \| good	1.084 \| good	0.139 \| good
2025-12-30T18:00:00.000Z	36 \| good	0.152 \| good	0.026 \| good	38.73 \| good	0.276 \| good	1.042 \| good	0.137 \| good
2025-12-30T19:00:00.000Z	37 \| good	0.182 \| good	0.033 \| good	39.628 \| good	0.309 \| good	1.292 \| good	0.137 \| good
2025-12-30T20:00:00.000Z	37 \| good	0.232 \| good	0.987 \| good	40.022 \| good	0.343 \| good	1.542 \| good	0.136 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.101 \| good	0.007 \| good	38.491 \| good	0.376 \| good	1.792 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	35 \| good	0.491 \| good	1.986 \| good	37.862 \| good	0.448 \| good	2.062 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	34 \| good	0.471 \| good	1.986 \| good	37.347 \| good	0.52 \| good	2.332 \| good	0.137 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.848 \| good	1.913 \| good	39.51 \| good	0.592 \| good	2.605 \| good	0.138 \| good
2025-12-31T01:00:00.000Z	31 \| good	0.969 \| good	3.987 \| good	34.392 \| good	0.577 \| good	2.489 \| good	0.138 \| good

Simsbury

Get reliable air quality data to drive your business

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

0.39ppm

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 Simsbury, Connecticut?

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

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

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

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

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

What is the AQI in Simsbury, Connecticut right now?

As of now, the AQI in Simsbury, Connecticut is 56, indicating Moderate conditions.

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

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

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

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

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

PM_2.5 levels in Simsbury, Connecticut are currently 12.211 μg/m³.

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

The PM₁₀ concentration in Simsbury, Connecticut is 51.96 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Simsbury, Connecticut is 0.366 ppm.

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

Currently, Simsbury, Connecticut has a sulfur dioxide (SO₂) concentration of 0.31 ppb.

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

The current ozone (O₃) level in Simsbury, Connecticut at the moment is 19.582 ppm.

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

Nitrogen dioxide (NO₂) level in Simsbury, Connecticut at the moment is 15.436 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	27 \| good	4.517 \| good	18.053 \| good	28.18 \| good	0.215 \| good	11.823 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	25 \| good	4.356 \| good	23.226 \| good	27.451 \| good	0.204 \| good	10.067 \| good	0.216 \| good
2025-12-27T06:00:00.000Z	27 \| good	5.304 \| good	11.505 \| good	27.03 \| good	0.204 \| good	8.686 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	24 \| good	3.853 \| good	16.685 \| good	25.566 \| good	0.204 \| good	7.609 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	26 \| good	4.211 \| good	14.874 \| good	28.018 \| good	0.154 \| good	6.985 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	26 \| good	4.129 \| good	19.331 \| good	28.256 \| good	0.234 \| good	7.42 \| good	0.151 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.786 \| good	13.543 \| good	22.875 \| good	0.187 \| good	9.549 \| good	0.14 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.691 \| good	16.583 \| good	23.206 \| good	0.196 \| good	7.88 \| good	0.131 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.916 \| good	19.018 \| good	26.794 \| good	0.139 \| good	8.541 \| good	0.131 \| good
2025-12-27T13:00:00.000Z	26 \| good	3.877 \| good	14.214 \| good	28.275 \| good	0.168 \| good	7.992 \| good	0.131 \| good
2025-12-27T14:00:00.000Z	25 \| good	3.815 \| good	12.116 \| good	27.377 \| good	0.229 \| good	7.63 \| good	0.171 \| good
2025-12-27T15:00:00.000Z	26 \| good	4 \| good	19.227 \| good	27.926 \| good	0.204 \| good	7.032 \| good	0.171 \| good
2025-12-27T16:00:00.000Z	26 \| good	3.775 \| good	16.725 \| good	28.219 \| good	0.194 \| good	5.648 \| good	0.21 \| good
2025-12-27T17:00:00.000Z	26 \| good	3.584 \| good	19.583 \| good	28.378 \| good	0.194 \| good	5.956 \| good	0.219 \| good
2025-12-27T18:00:00.000Z	29 \| good	4.217 \| good	16.485 \| good	30.871 \| good	0.205 \| good	5.613 \| good	0.161 \| good
2025-12-27T19:00:00.000Z	31 \| good	4.312 \| good	17.927 \| good	33.132 \| good	0.204 \| good	5.869 \| good	0.161 \| good
2025-12-27T20:00:00.000Z	30 \| good	3.753 \| good	5.075 \| good	32.345 \| good	0.204 \| good	7.263 \| good	0.151 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.96 \| good	4.759 \| good	33.463 \| good	0.204 \| good	5.333 \| good	0.166 \| good
2025-12-27T22:00:00.000Z	28 \| good	4.599 \| good	17.918 \| good	30.298 \| good	0.203 \| good	7.29 \| good	0.24 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.877 \| good	14.276 \| good	28.406 \| good	0.273 \| good	13.369 \| good	0.324 \| good
2025-12-28T00:00:00.000Z	33 \| good	5.743 \| good	14.294 \| good	24.423 \| good	0.311 \| good	16.249 \| good	0.444 \| good
2025-12-28T01:00:00.000Z	33 \| good	5.617 \| good	18.967 \| good	24.423 \| good	0.462 \| good	13.647 \| good	0.604 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.059 \| good	28.715 \| good	17.513 \| good	0.505 \| good	23.031 \| good	0.684 \| good
2025-12-28T03:00:00.000Z	49 \| good	8.751 \| good	38.411 \| good	14.01 \| good	1.241 \| good	12.838 \| good	0.246 \| good
2025-12-28T04:00:00.000Z	33 \| good	6.394 \| good	32.976 \| good	18.117 \| good	0.54 \| good	18.167 \| good	0.629 \| good
2025-12-28T05:00:00.000Z	33 \| good	5.807 \| good	22.876 \| good	23.075 \| good	0.287 \| good	21.466 \| good	0.632 \| good
2025-12-28T06:00:00.000Z	44 \| good	7.87 \| good	22.991 \| good	14.02 \| good	0.601 \| good	23.888 \| good	0.457 \| good
2025-12-28T07:00:00.000Z	33 \| good	6.457 \| good	15.235 \| good	11.588 \| good	0.588 \| good	15.27 \| good	0.488 \| good
2025-12-28T08:00:00.000Z	49 \| good	8.817 \| good	35.919 \| good	13.171 \| good	0.406 \| good	26.183 \| good	0.431 \| good
2025-12-28T09:00:00.000Z	52 \| moderate	10.022 \| good	26.547 \| good	12.144 \| good	0.558 \| good	15.305 \| good	0.539 \| good
2025-12-28T10:00:00.000Z	33 \| good	6.417 \| good	29.673 \| good	7.543 \| good	0.528 \| good	13.42 \| good	0.568 \| good
2025-12-28T11:00:00.000Z	49 \| good	9.056 \| good	38.609 \| good	11.78 \| good	0.382 \| good	14.522 \| good	0.45 \| good
2025-12-28T12:00:00.000Z	44 \| good	7.619 \| good	22.753 \| good	15.946 \| good	0.362 \| good	18.199 \| good	0.491 \| good
2025-12-28T13:00:00.000Z	27 \| good	5.181 \| good	26.186 \| good	9.941 \| good	0.363 \| good	18.083 \| good	0.477 \| good
2025-12-28T14:00:00.000Z	38 \| good	6.643 \| good	39.009 \| good	16.433 \| good	0.384 \| good	19.886 \| good	0.653 \| good
2025-12-28T15:00:00.000Z	38 \| good	6.827 \| good	20.395 \| good	11.995 \| good	0.253 \| good	9.692 \| good	0.379 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	10.185 \| good	36.443 \| good	16.984 \| good	0.238 \| good	9.518 \| good	0.305 \| good
2025-12-28T17:00:00.000Z	44 \| good	7.964 \| good	35.572 \| good	21.198 \| good	0.226 \| good	7.714 \| good	0.243 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	9.533 \| good	34.844 \| good	23.99 \| good	0.262 \| good	10.596 \| good	0.237 \| good
2025-12-28T19:00:00.000Z	38 \| good	7.356 \| good	21.433 \| good	27.272 \| good	0.252 \| good	11.856 \| good	0.335 \| good
2025-12-28T20:00:00.000Z	38 \| good	7.167 \| good	20.244 \| good	24.023 \| good	0.278 \| good	14.416 \| good	0.385 \| good
2025-12-28T21:00:00.000Z	38 \| good	6.71 \| good	19.934 \| good	29.026 \| good	0.268 \| good	18.421 \| good	0.368 \| good
2025-12-28T22:00:00.000Z	33 \| good	6.423 \| good	36.031 \| good	31.37 \| good	0.248 \| good	23.423 \| good	0.498 \| good
2025-12-28T23:00:00.000Z	47 \| good	7.415 \| good	51.184 \| good	31.392 \| good	0.234 \| good	20.19 \| good	0.47 \| good
2025-12-29T00:00:00.000Z	56 \| moderate	12.211 \| fine	51.96 \| good	19.582 \| good	0.31 \| good	15.436 \| good	0.366 \| good
2025-12-29T01:00:00.000Z	60 \| moderate	14.241 \| fine	44.834 \| good	13.762 \| good	0.239 \| good	23.847 \| good	0.279 \| good
2025-12-29T02:00:00.000Z	56 \| moderate	11.858 \| good	43.341 \| good	20.36 \| good	0.227 \| good	28.718 \| good	0.272 \| good
2025-12-29T03:00:00.000Z	56 \| moderate	11.858 \| good	43.341 \| good	20.36 \| good	0.227 \| good	28.718 \| good	0.272 \| good
2025-12-29T02:00:00.000Z	71 \| moderate	20.029 \| fine	88.933 \| fine	4.96 \| good	2.551 \| good	26.155 \| good	0.275 \| good
2025-12-29T03:00:00.000Z	69 \| moderate	18.701 \| fine	82.939 \| fine	9.715 \| good	2.606 \| good	27.69 \| good	0.271 \| good
2025-12-29T04:00:00.000Z	60 \| moderate	13.614 \| fine	60.993 \| fine	17.35 \| good	2.038 \| good	23.25 \| good	0.246 \| good
2025-12-29T05:00:00.000Z	52 \| moderate	10.014 \| good	44.942 \| good	22.817 \| good	1.47 \| good	18.81 \| good	0.221 \| good
2025-12-29T06:00:00.000Z	33 \| good	5.977 \| good	26.948 \| good	28.198 \| good	0.902 \| good	14.37 \| good	0.196 \| good
2025-12-29T07:00:00.000Z	27 \| good	4.057 \| good	17.983 \| good	28.509 \| good	0.826 \| good	11.117 \| good	0.179 \| good
2025-12-29T08:00:00.000Z	27 \| good	3.369 \| good	14.996 \| good	29.2 \| good	0.749 \| good	7.864 \| good	0.163 \| good
2025-12-29T09:00:00.000Z	27 \| good	2.73 \| good	11 \| good	28.941 \| good	0.673 \| good	4.611 \| good	0.147 \| good
2025-12-29T10:00:00.000Z	25 \| good	2.408 \| good	9.997 \| good	27.29 \| good	0.82 \| good	5.123 \| good	0.154 \| good
2025-12-29T11:00:00.000Z	24 \| good	2.859 \| good	11.992 \| good	26.034 \| good	0.967 \| good	5.636 \| good	0.16 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.199 \| good	18.972 \| good	23.014 \| good	1.114 \| good	6.148 \| good	0.167 \| good
2025-12-29T13:00:00.000Z	33 \| good	5.88 \| good	25.044 \| good	20.988 \| good	1.247 \| good	7.385 \| good	0.179 \| good
2025-12-29T14:00:00.000Z	44 \| good	7.53 \| good	33.01 \| good	15.867 \| good	1.379 \| good	8.621 \| good	0.191 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.778 \| good	38.039 \| good	13.581 \| good	1.511 \| good	9.858 \| good	0.203 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.858 \| good	39.009 \| good	13.826 \| good	1.488 \| good	10.688 \| good	0.205 \| good
2025-12-29T17:00:00.000Z	49 \| good	9.266 \| good	40.999 \| good	15.728 \| good	1.464 \| good	11.518 \| good	0.207 \| good
2025-12-29T18:00:00.000Z	33 \| good	5.99 \| good	26.959 \| good	27.52 \| good	1.441 \| good	12.349 \| good	0.21 \| good
2025-12-29T19:00:00.000Z	34 \| good	3.089 \| good	12.059 \| good	37.229 \| good	1.455 \| good	10.349 \| good	0.199 \| good
2025-12-29T20:00:00.000Z	37 \| good	1.161 \| good	5 \| good	39.648 \| good	1.469 \| good	8.349 \| good	0.189 \| good
2025-12-29T21:00:00.000Z	34 \| good	2.271 \| good	9.027 \| good	36.907 \| good	1.484 \| good	6.349 \| good	0.178 \| good
2025-12-29T22:00:00.000Z	29 \| good	4.68 \| good	20.02 \| good	30.567 \| good	1.33 \| good	5.058 \| good	0.177 \| good
2025-12-29T23:00:00.000Z	25 \| good	4.429 \| good	19.021 \| good	27.038 \| good	1.175 \| good	3.767 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	23 \| good	3.181 \| good	13.977 \| good	25.191 \| good	1.021 \| good	2.475 \| good	0.175 \| good
2025-12-30T01:00:00.000Z	20 \| good	2.88 \| good	11.979 \| good	21.979 \| good	0.849 \| good	2.402 \| good	0.171 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.369 \| good	9.975 \| good	20.447 \| good	0.676 \| good	2.328 \| good	0.167 \| good
2025-12-30T03:00:00.000Z	22 \| good	2.667 \| good	10.988 \| good	24.203 \| good	0.503 \| good	2.254 \| good	0.164 \| good
2025-12-30T04:00:00.000Z	28 \| good	1.784 \| good	7.013 \| good	29.911 \| good	0.43 \| good	1.877 \| good	0.157 \| good
2025-12-30T05:00:00.000Z	30 \| good	1.179 \| good	4.996 \| good	31.936 \| good	0.357 \| good	1.5 \| good	0.15 \| good
2025-12-30T06:00:00.000Z	30 \| good	1.051 \| good	4.004 \| good	32.39 \| good	0.283 \| good	1.123 \| good	0.143 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.87 \| good	3.019 \| good	31.838 \| good	0.269 \| good	1.021 \| good	0.141 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.551 \| good	2.003 \| good	32.787 \| good	0.255 \| good	0.918 \| good	0.139 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.311 \| good	1.011 \| good	33.612 \| good	0.241 \| good	0.816 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.221 \| good	0.987 \| good	34.201 \| good	0.266 \| good	1.017 \| good	0.14 \| good
2025-12-30T11:00:00.000Z	33 \| good	0.4 \| good	1.981 \| good	35.852 \| good	0.291 \| good	1.218 \| good	0.142 \| good
2025-12-30T12:00:00.000Z	32 \| good	0.33 \| good	1.001 \| good	34.871 \| good	0.316 \| good	1.419 \| good	0.144 \| good
2025-12-30T13:00:00.000Z	33 \| good	0.478 \| good	1.993 \| good	36.397 \| good	0.311 \| good	1.336 \| good	0.143 \| good
2025-12-30T14:00:00.000Z	32 \| good	0.34 \| good	1.006 \| good	35.212 \| good	0.305 \| good	1.253 \| good	0.142 \| good
2025-12-30T15:00:00.000Z	32 \| good	0.35 \| good	1.013 \| good	35.33 \| good	0.3 \| good	1.17 \| good	0.141 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.122 \| good	0.005 \| good	36.378 \| good	0.292 \| good	1.127 \| good	0.14 \| good
2025-12-30T17:00:00.000Z	35 \| good	0.091 \| good	0 \| good	38.077 \| good	0.284 \| good	1.084 \| good	0.139 \| good
2025-12-30T18:00:00.000Z	36 \| good	0.152 \| good	0.026 \| good	38.73 \| good	0.276 \| good	1.042 \| good	0.137 \| good
2025-12-30T19:00:00.000Z	37 \| good	0.182 \| good	0.033 \| good	39.628 \| good	0.309 \| good	1.292 \| good	0.137 \| good
2025-12-30T20:00:00.000Z	37 \| good	0.232 \| good	0.987 \| good	40.022 \| good	0.343 \| good	1.542 \| good	0.136 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.101 \| good	0.007 \| good	38.491 \| good	0.376 \| good	1.792 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	35 \| good	0.491 \| good	1.986 \| good	37.862 \| good	0.448 \| good	2.062 \| good	0.136 \| good
2025-12-30T23:00:00.000Z	34 \| good	0.471 \| good	1.986 \| good	37.347 \| good	0.52 \| good	2.332 \| good	0.137 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.848 \| good	1.913 \| good	39.51 \| good	0.592 \| good	2.605 \| good	0.138 \| good
2025-12-31T01:00:00.000Z	31 \| good	0.969 \| good	3.987 \| good	34.392 \| good	0.577 \| good	2.489 \| good	0.138 \| good

Live air quality index in Simsbury, Connecticut today

Major air pollutants in Simsbury, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

Avon, Connecticut

Bloomfield, Connecticut

Canton, Connecticut

Granby, Connecticut

West Hartford, Connecticut

Windsor, Connecticut

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

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

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

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

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