What are the current PM10 levels at Hartford, Vermont?

The current PM10 levels in Hartford, Vermont are 50.267 μg/m3.

What are the current sulfur dioxide (SO2) levels at Hartford, Vermont?

The current sulfur dioxide (SO2) levels in Hartford, Vermont are 0.492 ppb.

What are the current ozone (O3) levels at Hartford, Vermont?

The current ozone (O3) levels at Hartford, Vermont is 25.249 ppm.

What are the current nitrogen dioxide (NO2) levels at Hartford, Vermont?

The current nitrogen dioxide (NO2) levels at Hartford, Vermont is 7.742 ppb.

Real-time air quality index in Hartford, Vermont today

Q: What are the current PM2.5 levels in Hartford, Vermont?

The measured PM2.5 levels in Hartford, Vermont at present are 11.418 μg/m3.

Stay updated with real-time air quality in Hartford, Vermont 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

Hartford, Vermont

Last updated: ... (Local time)

Common air pollutants in Hartford, Vermont

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

50.27 μg/m³

155

255

425

605+

Ozone (O₃)

25.25 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Hartford, Vermont

Scroll To Air Quality Map

Track live Hartford, Vermont air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	32 \| good	4.997 \| good	21.49 \| good	35.005 \| good	0.409 \| good	4.718 \| good	0.211 \| good
2025-12-26T23:00:00.000Z	30 \| good	5.301 \| good	22.555 \| good	32.089 \| good	0.507 \| good	11.558 \| good	0.26 \| good
2025-12-27T00:00:00.000Z	31 \| good	5.44 \| good	23.748 \| good	32.944 \| good	0.51 \| good	16.914 \| good	0.239 \| good
2025-12-27T01:00:00.000Z	33 \| good	5.72 \| good	24.972 \| good	31.936 \| good	0.455 \| good	11.16 \| good	0.283 \| good
2025-12-27T02:00:00.000Z	33 \| good	5.939 \| good	27.042 \| good	30.979 \| good	0.469 \| good	7.03 \| good	0.263 \| good
2025-12-27T03:00:00.000Z	33 \| good	5.824 \| good	24.928 \| good	30.899 \| good	0.434 \| good	9.459 \| good	0.262 \| good
2025-12-27T04:00:00.000Z	33 \| good	5.728 \| good	24.923 \| good	30.861 \| good	0.456 \| good	8.293 \| good	0.263 \| good
2025-12-27T05:00:00.000Z	33 \| good	5.829 \| good	24.887 \| good	27.019 \| good	0.447 \| good	6.709 \| good	0.207 \| good
2025-12-27T06:00:00.000Z	33 \| good	5.89 \| good	26.6 \| good	28.917 \| good	0.449 \| good	7.961 \| good	0.192 \| good
2025-12-27T07:00:00.000Z	24 \| good	4.006 \| good	17.686 \| good	26.336 \| good	0.211 \| good	2.067 \| good	0.154 \| good
2025-12-27T08:00:00.000Z	22 \| good	3.81 \| good	16.785 \| good	23.542 \| good	0.199 \| good	1.795 \| good	0.15 \| good
2025-12-27T09:00:00.000Z	27 \| good	5.413 \| good	23.429 \| good	24.241 \| good	0.454 \| good	4.461 \| good	0.176 \| good
2025-12-27T10:00:00.000Z	27 \| good	5.301 \| good	22.393 \| good	25.176 \| good	0.394 \| good	3.269 \| good	0.195 \| good
2025-12-27T11:00:00.000Z	27 \| good	5.203 \| good	22.335 \| good	25.073 \| good	0.403 \| good	2.933 \| good	0.175 \| good
2025-12-27T12:00:00.000Z	16 \| good	2.716 \| good	11.068 \| good	14.978 \| good	0.274 \| good	4.688 \| good	0.176 \| good
2025-12-27T13:00:00.000Z	19 \| good	0.957 \| good	3.785 \| good	20.745 \| good	0.279 \| good	3.814 \| good	0.17 \| good
2025-12-27T14:00:00.000Z	27 \| good	5.023 \| good	21.383 \| good	26.019 \| good	0.404 \| good	2.577 \| good	0.231 \| good
2025-12-27T15:00:00.000Z	27 \| good	4.919 \| good	21.418 \| good	25.091 \| good	0.458 \| good	2.93 \| good	0.255 \| good
2025-12-27T16:00:00.000Z	27 \| good	4.935 \| good	21.434 \| good	27.041 \| good	0.441 \| good	3.066 \| good	0.215 \| good
2025-12-27T17:00:00.000Z	27 \| good	4.93 \| good	21.474 \| good	27.125 \| good	0.414 \| good	3.616 \| good	0.235 \| good
2025-12-27T18:00:00.000Z	27 \| good	4.93 \| good	21.444 \| good	28.161 \| good	0.411 \| good	4.598 \| good	0.191 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.926 \| good	21.424 \| good	29.127 \| good	0.411 \| good	4.786 \| good	0.191 \| good
2025-12-27T20:00:00.000Z	29 \| good	4.923 \| good	21.413 \| good	31.108 \| good	0.393 \| good	5.147 \| good	0.191 \| good
2025-12-27T21:00:00.000Z	31 \| good	4.928 \| good	21.43 \| good	33.058 \| good	0.36 \| good	3.679 \| good	0.226 \| good
2025-12-27T22:00:00.000Z	30 \| good	4.929 \| good	21.498 \| good	32.091 \| good	0.378 \| good	5.207 \| good	0.262 \| good
2025-12-27T23:00:00.000Z	29 \| good	5.077 \| good	21.721 \| good	31.078 \| good	0.441 \| good	5.375 \| good	0.259 \| good
2025-12-28T00:00:00.000Z	27 \| good	5.214 \| good	22.293 \| good	28.11 \| good	0.462 \| good	13.413 \| good	0.311 \| good
2025-12-28T01:00:00.000Z	27 \| good	5.429 \| good	23.27 \| good	26.028 \| good	0.442 \| good	18.531 \| good	0.379 \| good
2025-12-28T02:00:00.000Z	49 \| good	9.255 \| good	40.978 \| good	24.127 \| good	0.267 \| good	6.626 \| good	0.2 \| good
2025-12-28T03:00:00.000Z	52 \| moderate	10.126 \| good	44.823 \| good	23.358 \| good	0.256 \| good	6.791 \| good	0.205 \| good
2025-12-28T04:00:00.000Z	44 \| good	7.954 \| good	34.654 \| good	17.171 \| good	0.482 \| good	11.612 \| good	0.286 \| good
2025-12-28T05:00:00.000Z	49 \| good	9.234 \| good	41.026 \| good	17.18 \| good	0.488 \| good	15.506 \| good	0.287 \| good
2025-12-28T06:00:00.000Z	49 \| good	9.435 \| good	41.914 \| good	18.062 \| good	0.475 \| good	18.114 \| good	0.265 \| good
2025-12-28T07:00:00.000Z	49 \| good	9.227 \| good	40.709 \| good	17.352 \| good	0.143 \| good	5.685 \| good	0.203 \| good
2025-12-28T08:00:00.000Z	52 \| moderate	10.427 \| good	46.24 \| good	15.699 \| good	0.147 \| good	5.212 \| good	0.199 \| good
2025-12-28T09:00:00.000Z	44 \| good	8.443 \| good	37.348 \| good	18.021 \| good	0.425 \| good	25.859 \| good	0.321 \| good
2025-12-28T10:00:00.000Z	44 \| good	8.05 \| good	34.964 \| good	17.997 \| good	0.596 \| good	27.125 \| good	0.321 \| good
2025-12-28T11:00:00.000Z	44 \| good	8.111 \| good	34.721 \| good	14.107 \| good	0.622 \| good	20.016 \| good	0.32 \| good
2025-12-28T12:00:00.000Z	44 \| good	8.455 \| good	36.935 \| good	11.226 \| good	0.618 \| good	20.919 \| good	0.3 \| good
2025-12-28T13:00:00.000Z	52 \| moderate	9.573 \| good	42.512 \| good	22.524 \| good	0.341 \| good	4.649 \| good	0.212 \| good
2025-12-28T14:00:00.000Z	44 \| good	8.131 \| good	35.408 \| good	27.074 \| good	0.384 \| good	4.41 \| good	0.216 \| good
2025-12-28T15:00:00.000Z	49 \| good	8.958 \| good	38.637 \| good	13.265 \| good	0.563 \| good	13.025 \| good	0.259 \| good
2025-12-28T16:00:00.000Z	49 \| good	9.032 \| good	38.612 \| good	15.195 \| good	0.522 \| good	11.145 \| good	0.239 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.068 \| good	40.338 \| good	20.14 \| good	0.508 \| good	8.526 \| good	0.223 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	10.02 \| good	43.926 \| good	22.21 \| good	0.536 \| good	5.709 \| good	0.199 \| good
2025-12-28T19:00:00.000Z	56 \| moderate	12.24 \| fine	55.228 \| fine	26.198 \| good	0.48 \| good	7.085 \| good	0.2 \| good
2025-12-28T20:00:00.000Z	54 \| moderate	11.418 \| good	50.267 \| good	25.249 \| good	0.492 \| good	7.742 \| good	0.24 \| good
2025-12-28T21:00:00.000Z	54 \| moderate	11.418 \| good	50.267 \| good	25.249 \| good	0.492 \| good	7.742 \| good	0.24 \| good
2025-12-28T22:00:00.000Z	38 \| good	6.513 \| good	29.136 \| good	25.949 \| good	0.734 \| good	8.313 \| good	0.206 \| good
2025-12-28T23:00:00.000Z	33 \| good	5.696 \| good	24.634 \| good	24.822 \| good	0.734 \| good	10.768 \| good	0.23 \| good
2025-12-29T00:00:00.000Z	38 \| good	6.514 \| good	29.08 \| good	25.612 \| good	0.734 \| good	13.224 \| good	0.255 \| good
2025-12-29T01:00:00.000Z	38 \| good	6.766 \| good	29.989 \| good	27.089 \| good	0.656 \| good	11.899 \| good	0.248 \| good
2025-12-29T02:00:00.000Z	38 \| good	6.541 \| good	29.138 \| good	26.89 \| good	0.579 \| good	10.574 \| good	0.24 \| good
2025-12-29T03:00:00.000Z	33 \| good	6.014 \| good	26.852 \| good	22.115 \| good	0.502 \| good	9.249 \| good	0.232 \| good
2025-12-29T04:00:00.000Z	33 \| good	6.286 \| good	27.985 \| good	24.013 \| good	0.614 \| good	8.348 \| good	0.226 \| good
2025-12-29T05:00:00.000Z	33 \| good	5.732 \| good	24.991 \| good	23.537 \| good	0.726 \| good	7.447 \| good	0.219 \| good
2025-12-29T06:00:00.000Z	27 \| good	5.313 \| good	22.853 \| good	24.176 \| good	0.838 \| good	6.546 \| good	0.213 \| good
2025-12-29T07:00:00.000Z	33 \| good	5.746 \| good	24.913 \| good	22.594 \| good	0.845 \| good	7.999 \| good	0.216 \| good
2025-12-29T08:00:00.000Z	44 \| good	7.76 \| good	34.167 \| good	20.078 \| good	0.852 \| good	9.453 \| good	0.218 \| good
2025-12-29T09:00:00.000Z	44 \| good	8.226 \| good	36.024 \| good	19.959 \| good	0.86 \| good	10.906 \| good	0.221 \| good
2025-12-29T10:00:00.000Z	49 \| good	8.785 \| good	38.897 \| good	16.22 \| good	0.716 \| good	10.546 \| good	0.217 \| good
2025-12-29T11:00:00.000Z	54 \| moderate	11.008 \| good	48.561 \| good	14.41 \| good	0.572 \| good	10.186 \| good	0.214 \| good
2025-12-29T12:00:00.000Z	56 \| moderate	12.328 \| fine	55.688 \| fine	12.738 \| good	0.428 \| good	9.825 \| good	0.21 \| good
2025-12-29T13:00:00.000Z	56 \| moderate	12.081 \| good	54.368 \| good	14.454 \| good	0.411 \| good	8.797 \| good	0.203 \| good
2025-12-29T14:00:00.000Z	58 \| moderate	12.98 \| fine	58.644 \| fine	13.644 \| good	0.393 \| good	7.768 \| good	0.196 \| good
2025-12-29T15:00:00.000Z	64 \| moderate	15.521 \| fine	68.794 \| fine	13.02 \| good	0.375 \| good	6.74 \| good	0.189 \| good
2025-12-29T16:00:00.000Z	64 \| moderate	15.976 \| fine	70.847 \| fine	12.255 \| good	0.381 \| good	6.268 \| good	0.187 \| good
2025-12-29T17:00:00.000Z	60 \| moderate	13.789 \| fine	61.253 \| fine	10.933 \| good	0.387 \| good	5.797 \| good	0.186 \| good
2025-12-29T18:00:00.000Z	56 \| moderate	11.692 \| good	51.88 \| good	13.541 \| good	0.392 \| good	5.325 \| good	0.184 \| good
2025-12-29T19:00:00.000Z	54 \| moderate	11.179 \| good	49.562 \| good	17.31 \| good	0.453 \| good	5.718 \| good	0.186 \| good
2025-12-29T20:00:00.000Z	27 \| good	5.372 \| good	23.397 \| good	26.811 \| good	0.514 \| good	6.11 \| good	0.189 \| good
2025-12-29T21:00:00.000Z	33 \| good	6.405 \| good	28.689 \| good	29.046 \| good	0.575 \| good	6.503 \| good	0.191 \| good
2025-12-29T22:00:00.000Z	38 \| good	7.259 \| good	32.2 \| good	32.157 \| good	0.464 \| good	4.957 \| good	0.189 \| good
2025-12-29T23:00:00.000Z	27 \| good	4.632 \| good	20.343 \| good	26.136 \| good	0.354 \| good	3.411 \| good	0.187 \| good
2025-12-30T00:00:00.000Z	23 \| good	4.15 \| good	18.449 \| good	24.898 \| good	0.244 \| good	1.865 \| good	0.185 \| good
2025-12-30T01:00:00.000Z	22 \| good	3.974 \| good	17.594 \| good	24.326 \| good	0.252 \| good	1.776 \| good	0.178 \| good
2025-12-30T02:00:00.000Z	25 \| good	2.953 \| good	12.001 \| good	26.735 \| good	0.26 \| good	1.688 \| good	0.172 \| good
2025-12-30T03:00:00.000Z	25 \| good	3.565 \| good	15.673 \| good	26.862 \| good	0.268 \| good	1.599 \| good	0.165 \| good
2025-12-30T04:00:00.000Z	27 \| good	2.806 \| good	11.565 \| good	29.416 \| good	0.256 \| good	1.401 \| good	0.157 \| good
2025-12-30T05:00:00.000Z	26 \| good	1.614 \| good	6.721 \| good	27.703 \| good	0.243 \| good	1.202 \| good	0.149 \| good
2025-12-30T06:00:00.000Z	24 \| good	1.182 \| good	5 \| good	25.872 \| good	0.23 \| good	1.004 \| good	0.141 \| good
2025-12-30T07:00:00.000Z	24 \| good	0.495 \| good	2 \| good	25.592 \| good	0.181 \| good	0.758 \| good	0.138 \| good
2025-12-30T08:00:00.000Z	22 \| good	0.076 \| good	0 \| good	24.01 \| good	0.132 \| good	0.512 \| good	0.134 \| good
2025-12-30T09:00:00.000Z	24 \| good	0.188 \| good	0.193 \| good	26.039 \| good	0.083 \| good	0.267 \| good	0.131 \| good
2025-12-30T10:00:00.000Z	23 \| good	0.127 \| good	0 \| good	24.649 \| good	0.081 \| good	0.322 \| good	0.131 \| good
2025-12-30T11:00:00.000Z	23 \| good	1.261 \| good	4.946 \| good	25.267 \| good	0.079 \| good	0.377 \| good	0.132 \| good
2025-12-30T12:00:00.000Z	25 \| good	1.306 \| good	5.082 \| good	26.934 \| good	0.077 \| good	0.432 \| good	0.133 \| good
2025-12-30T13:00:00.000Z	26 \| good	0.186 \| good	0 \| good	27.572 \| good	0.078 \| good	0.395 \| good	0.133 \| good
2025-12-30T14:00:00.000Z	24 \| good	0.168 \| good	0 \| good	26.376 \| good	0.079 \| good	0.359 \| good	0.132 \| good
2025-12-30T15:00:00.000Z	23 \| good	0.236 \| good	0.946 \| good	24.999 \| good	0.08 \| good	0.322 \| good	0.132 \| good
2025-12-30T16:00:00.000Z	23 \| good	0.165 \| good	0 \| good	25.399 \| good	0.079 \| good	0.312 \| good	0.131 \| good
2025-12-30T17:00:00.000Z	23 \| good	0.151 \| good	0 \| good	24.981 \| good	0.078 \| good	0.302 \| good	0.131 \| good
2025-12-30T18:00:00.000Z	25 \| good	0.178 \| good	0 \| good	27.435 \| good	0.077 \| good	0.292 \| good	0.13 \| good
2025-12-30T19:00:00.000Z	26 \| good	0.186 \| good	0 \| good	27.591 \| good	0.08 \| good	0.416 \| good	0.13 \| good
2025-12-30T20:00:00.000Z	26 \| good	0.19 \| good	0.472 \| good	28.264 \| good	0.083 \| good	0.541 \| good	0.13 \| good
2025-12-30T21:00:00.000Z	26 \| good	0.201 \| good	0.865 \| good	27.654 \| good	0.086 \| good	0.665 \| good	0.13 \| good

Hartford

Empower business decisions with accurate air quality data

Hartford, Vermont air quality map: Real-time AQI near you

0.33ppm

How accurate is Vermont, USA air quality data?

Air quality measurements for Vermont, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

Air quality levels in US

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Frequently asked questions

How frequently is the air quality data for Hartford, Vermont updated?

Air quality data for Hartford, Vermont is updated on an hourly basis.

When did Hartford, Vermont experience the worst air quality in the last 24 hours?

The worst air quality in Hartford, Vermont was recorded at 07:00:00 on 2025-12-28.

When did Hartford, Vermont have its best air quality in the last 24 hours?

The best air quality in Hartford, Vermont was recorded at 01:00:00 on 2025-12-28.

What is the real-time air quality index for Hartford, Vermont?

The real-time air quality index in Hartford, Vermont is 54, currently categorized as Moderate.

Which pollutant is found most often in Hartford, Vermont?

The most common pollutant in Hartford, Vermont is PM2.5.

What can I do if the air quality in Hartford, Vermont is poor?

If the air quality in Hartford, Vermont is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Hartford, Vermont?

The measured PM_2.5 levels in Hartford, Vermont at present are 11.418 μg/m³.

What are the current PM₁₀ levels at Hartford, Vermont?

The current PM₁₀ levels in Hartford, Vermont are 50.267 μg/m³.

What are the current carbon monoxide (CO) levels at Hartford, Vermont?

The current carbon monoxide (CO) level in Hartford, Vermont is 0.24 ppm.

What are the current sulfur dioxide (SO₂) levels at Hartford, Vermont?

The current sulfur dioxide (SO₂) levels in Hartford, Vermont are 0.492 ppb.

What are the current ozone (O₃) levels at Hartford, Vermont?

The current ozone (O₃) levels at Hartford, Vermont is 25.249 ppm.

What are the current nitrogen dioxide (NO₂) levels at Hartford, Vermont?

The current nitrogen dioxide (NO₂) levels at Hartford, Vermont is 7.742 ppb.

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