What are the current PM10 levels at Webster, Massachusetts?

The current PM10 levels in Webster, Massachusetts are 49.067 μg/m3.

What are the current sulfur dioxide (SO2) levels at Webster, Massachusetts?

The current sulfur dioxide (SO2) levels in Webster, Massachusetts are 0.537 ppb.

What are the current ozone (O3) levels at Webster, Massachusetts?

The current ozone (O3) levels at Webster, Massachusetts is 31.136 ppm.

What are the current nitrogen dioxide (NO2) levels at Webster, Massachusetts?

The current nitrogen dioxide (NO2) levels at Webster, Massachusetts is 4.91 ppb.

Live air quality index in Webster, Massachusetts today

Name: Live air pollution levels in Webster, Massachusetts today
Creator: Ambee

Stay updated with real-time air quality in Webster, Massachusetts 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

Webster, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Webster, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

49.07 μg/m³

155

255

425

605+

Ozone (O₃)

31.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Webster, Massachusetts

Get Live Pollen Counts

Webster, Massachusetts

Scroll To Air Quality Map

Track live Webster, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T11:00:00.000Z	49 \| good	8.75 \| good	20.63 \| good	41.076 \| good	0.404 \| good	16.112 \| good	0.31 \| good
2025-06-05T12:00:00.000Z	52 \| moderate	10.071 \| good	38.562 \| good	37.839 \| good	0.484 \| good	13.142 \| good	0.404 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.909 \| good	32.342 \| good	33.913 \| good	0.407 \| good	14.573 \| good	0.429 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.673 \| good	43.811 \| good	43.293 \| good	0.698 \| good	10.926 \| good	0.449 \| good
2025-06-05T15:00:00.000Z	62 \| moderate	15.345 \| fine	38.953 \| good	48.12 \| good	0.706 \| good	7.564 \| good	0.323 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	14.252 \| fine	59.124 \| fine	53.202 \| good	0.71 \| good	6.891 \| good	0.323 \| good
2025-06-05T17:00:00.000Z	66 \| moderate	16.79 \| fine	38.793 \| good	54.604 \| good	0.865 \| good	6.797 \| good	0.323 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	17.506 \| fine	78.935 \| fine	58.689 \| fine	0.732 \| good	4.861 \| good	0.354 \| good
2025-06-05T19:00:00.000Z	69 \| moderate	19.068 \| fine	59.601 \| fine	58.274 \| fine	0.761 \| good	10.066 \| good	0.323 \| good
2025-06-05T20:00:00.000Z	90 \| moderate	18.382 \| fine	38.025 \| good	66.873 \| fine	0.566 \| good	4.99 \| good	0.323 \| good
2025-06-05T21:00:00.000Z	77 \| moderate	18.511 \| fine	77.272 \| fine	62.569 \| fine	0.776 \| good	3.807 \| good	0.311 \| good
2025-06-05T22:00:00.000Z	69 \| moderate	18.595 \| fine	51.194 \| good	60.204 \| fine	0.668 \| good	9.947 \| good	0.361 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	18.008 \| fine	67.014 \| fine	58.45 \| fine	0.769 \| good	9.045 \| good	0.392 \| good
2025-06-06T00:00:00.000Z	108 \| sensitive	19.89 \| fine	59.217 \| fine	72.753 \| moderate	0.762 \| good	6.397 \| good	0.392 \| good
2025-06-06T01:00:00.000Z	136 \| sensitive	20.276 \| fine	80.283 \| fine	81.037 \| moderate	0.713 \| good	9.585 \| good	0.392 \| good
2025-06-06T02:00:00.000Z	97 \| moderate	18.468 \| fine	69.564 \| fine	69.326 \| fine	0.724 \| good	8.936 \| good	0.379 \| good
2025-06-06T03:00:00.000Z	80 \| moderate	19.543 \| fine	75.21 \| fine	63.593 \| fine	0.757 \| good	12.8 \| good	0.423 \| good
2025-06-06T04:00:00.000Z	93 \| moderate	19.374 \| fine	93.495 \| fine	68.417 \| fine	0.612 \| good	16.594 \| good	0.381 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	18.896 \| fine	59.876 \| fine	60.271 \| fine	0.631 \| good	15.872 \| good	0.286 \| good
2025-06-06T06:00:00.000Z	67 \| moderate	15.058 \| fine	40.453 \| good	59.91 \| fine	0.665 \| good	19.141 \| good	0.228 \| good
2025-06-06T07:00:00.000Z	66 \| moderate	16.53 \| fine	50.981 \| good	56.429 \| fine	0.683 \| good	14.092 \| good	0.29 \| good
2025-06-06T08:00:00.000Z	67 \| moderate	17.795 \| fine	73.023 \| fine	54.066 \| good	0.663 \| good	10.409 \| good	0.221 \| good
2025-06-06T09:00:00.000Z	67 \| moderate	18.141 \| fine	54.387 \| good	44.768 \| good	0.626 \| good	8.584 \| good	0.305 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	18.677 \| fine	60.689 \| fine	39.883 \| good	0.606 \| good	10.646 \| good	0.292 \| good
2025-06-06T11:00:00.000Z	60 \| moderate	13.9 \| fine	56.526 \| fine	38.513 \| good	0.602 \| good	5.182 \| good	0.349 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	17.806 \| fine	55.802 \| fine	30.439 \| good	0.626 \| good	5.899 \| good	0.337 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	16.559 \| fine	44.943 \| good	41.195 \| good	0.611 \| good	6.995 \| good	0.276 \| good
2025-06-06T14:00:00.000Z	62 \| moderate	15.163 \| fine	37.69 \| good	39.727 \| good	0.643 \| good	8.453 \| good	0.274 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	14.183 \| fine	41.019 \| good	38.408 \| good	0.555 \| good	5.664 \| good	0.274 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	13.6 \| fine	45.763 \| good	48.542 \| good	0.48 \| good	4.103 \| good	0.274 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	14.255 \| fine	39.347 \| good	45.758 \| good	0.404 \| good	4.707 \| good	0.274 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	14.118 \| fine	48.917 \| good	50.185 \| good	0.515 \| good	5.452 \| good	0.286 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	14.977 \| fine	46.089 \| good	59.499 \| fine	0.361 \| good	6.573 \| good	0.387 \| good
2025-06-06T20:00:00.000Z	66 \| moderate	17.497 \| fine	54.181 \| good	58.304 \| fine	0.619 \| good	4.769 \| good	0.319 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	17.499 \| fine	50.833 \| good	57.584 \| fine	0.747 \| good	5.544 \| good	0.362 \| good
2025-06-06T22:00:00.000Z	71 \| moderate	16.051 \| fine	55.469 \| fine	60.935 \| fine	0.522 \| good	9.716 \| good	0.362 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.929 \| fine	63.201 \| fine	51.79 \| good	0.783 \| good	8.207 \| good	0.369 \| good
2025-06-07T00:00:00.000Z	66 \| moderate	16.696 \| fine	59.646 \| fine	44.417 \| good	0.62 \| good	7.138 \| good	0.356 \| good
2025-06-07T01:00:00.000Z	58 \| moderate	13.373 \| fine	51.308 \| good	37.815 \| good	0.355 \| good	4.99 \| good	0.313 \| good
2025-06-07T02:00:00.000Z	54 \| moderate	10.896 \| good	39.418 \| good	38.666 \| good	0.5 \| good	5.286 \| good	0.318 \| good
2025-06-07T03:00:00.000Z	49 \| good	9.092 \| good	28.35 \| good	36.897 \| good	0.58 \| good	5.421 \| good	0.268 \| good
2025-06-07T04:00:00.000Z	52 \| moderate	9.577 \| good	39.422 \| good	40.241 \| good	0.597 \| good	4.605 \| good	0.219 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.936 \| fine	25.017 \| good	34.907 \| good	0.998 \| good	5.158 \| good	0.161 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	9.537 \| good	31.246 \| good	36.372 \| good	0.976 \| good	4.716 \| good	0.161 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.77 \| good	23.094 \| good	30.965 \| good	0.519 \| good	5.022 \| good	0.216 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.121 \| fine	49.067 \| good	31.136 \| good	0.537 \| good	4.91 \| good	0.234 \| good
2025-06-07T09:00:00.000Z	56 \| moderate	12.393 \| fine	33.97 \| good	26.248 \| good	0.536 \| good	7.349 \| good	0.242 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	13.121 \| fine	49.067 \| good	31.136 \| good	0.537 \| good	4.91 \| good	0.234 \| good
2025-06-07T10:00:00.000Z	38 \| good	7.249 \| good	32.045 \| good	28.247 \| good	0.148 \| good	2.897 \| good	0.152 \| good
2025-06-07T11:00:00.000Z	38 \| good	6.884 \| good	30.574 \| good	28.473 \| good	0.111 \| good	2.778 \| good	0.152 \| good
2025-06-07T12:00:00.000Z	33 \| good	5.866 \| good	25.817 \| good	31.387 \| good	0.073 \| good	2.658 \| good	0.151 \| good
2025-06-07T13:00:00.000Z	44 \| good	7.845 \| good	34.632 \| good	33.071 \| good	0.247 \| good	2.213 \| good	0.149 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	10.446 \| good	46.242 \| good	35.067 \| good	0.19 \| good	1.978 \| good	0.145 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.731 \| good	47.41 \| good	36.337 \| good	0.133 \| good	1.743 \| good	0.142 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.794 \| good	47.959 \| good	37.623 \| good	0.39 \| good	1.565 \| good	0.147 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.619 \| good	46.976 \| good	38.336 \| good	0.329 \| good	1.468 \| good	0.144 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	9.896 \| good	44.017 \| good	38.949 \| good	0.268 \| good	1.371 \| good	0.141 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.754 \| good	38.259 \| good	42.707 \| good	0.377 \| good	1.73 \| good	0.174 \| good
2025-06-07T20:00:00.000Z	42 \| good	7.311 \| good	32.142 \| good	45.442 \| good	0.368 \| good	1.641 \| good	0.17 \| good
2025-06-07T21:00:00.000Z	40 \| good	7.27 \| good	32.078 \| good	42.848 \| good	0.36 \| good	1.552 \| good	0.165 \| good
2025-06-07T22:00:00.000Z	40 \| good	7.43 \| good	32.572 \| good	43.042 \| good	0.281 \| good	4.364 \| good	0.225 \| good
2025-06-07T23:00:00.000Z	44 \| good	7.856 \| good	34.181 \| good	42.795 \| good	0.268 \| good	4.087 \| good	0.217 \| good
2025-06-08T00:00:00.000Z	37 \| good	5.882 \| good	25.831 \| good	39.741 \| good	0.256 \| good	3.81 \| good	0.209 \| good
2025-06-08T01:00:00.000Z	38 \| good	7.273 \| good	32.201 \| good	35.527 \| good	0.333 \| good	4.936 \| good	0.255 \| good
2025-06-08T02:00:00.000Z	54 \| moderate	11.406 \| good	50.521 \| good	32.108 \| good	0.322 \| good	4.867 \| good	0.25 \| good
2025-06-08T03:00:00.000Z	60 \| moderate	14.186 \| fine	63.2 \| fine	29.553 \| good	0.312 \| good	4.798 \| good	0.246 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	15.289 \| fine	68.397 \| fine	28.503 \| good	0.322 \| good	2.662 \| good	0.243 \| good
2025-06-08T05:00:00.000Z	60 \| moderate	14.452 \| fine	64.812 \| fine	27.856 \| good	0.322 \| good	2.793 \| good	0.236 \| good
2025-06-08T06:00:00.000Z	56 \| moderate	11.501 \| good	50.823 \| good	29.323 \| good	0.323 \| good	2.924 \| good	0.229 \| good
2025-06-08T07:00:00.000Z	52 \| moderate	9.515 \| good	42.534 \| good	27.938 \| good	0.408 \| good	2.446 \| good	0.242 \| good
2025-06-08T08:00:00.000Z	56 \| moderate	11.568 \| good	51.012 \| good	26.432 \| good	0.424 \| good	2.725 \| good	0.228 \| good
2025-06-08T09:00:00.000Z	60 \| moderate	14.448 \| fine	64.867 \| fine	22.011 \| good	0.441 \| good	3.005 \| good	0.215 \| good
2025-06-08T10:00:00.000Z	62 \| moderate	15.391 \| fine	68.737 \| fine	22.757 \| good	0.364 \| good	2.431 \| good	0.238 \| good
2025-06-08T11:00:00.000Z	67 \| moderate	17.662 \| fine	78.563 \| fine	25.228 \| good	0.382 \| good	2.547 \| good	0.225 \| good
2025-06-08T12:00:00.000Z	69 \| moderate	18.759 \| fine	83.164 \| fine	30.055 \| good	0.399 \| good	2.664 \| good	0.213 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	15.411 \| fine	68.85 \| fine	33.63 \| good	0.441 \| good	2.148 \| good	0.238 \| good
2025-06-08T14:00:00.000Z	58 \| moderate	12.767 \| fine	57.67 \| fine	33.38 \| good	0.431 \| good	2.202 \| good	0.234 \| good
2025-06-08T15:00:00.000Z	54 \| moderate	11.251 \| good	49.568 \| good	35.82 \| good	0.421 \| good	2.256 \| good	0.229 \| good
2025-06-08T16:00:00.000Z	49 \| good	9.249 \| good	41.268 \| good	39.648 \| good	0.278 \| good	1.285 \| good	0.257 \| good
2025-06-08T17:00:00.000Z	52 \| moderate	9.773 \| good	43.44 \| good	42.266 \| good	0.253 \| good	1.292 \| good	0.258 \| good
2025-06-08T18:00:00.000Z	54 \| moderate	11.346 \| good	50.386 \| good	42.184 \| good	0.228 \| good	1.299 \| good	0.259 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	12.262 \| fine	54.908 \| good	48.559 \| good	0.252 \| good	1.798 \| good	0.276 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	11.303 \| good	49.803 \| good	51.248 \| good	0.232 \| good	1.852 \| good	0.275 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	12.742 \| fine	57.189 \| fine	49.644 \| good	0.212 \| good	1.906 \| good	0.273 \| good
2025-06-08T22:00:00.000Z	60 \| moderate	13.813 \| fine	62.242 \| fine	46.164 \| good	0.43 \| good	4.464 \| good	0.291 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	15.846 \| fine	70.684 \| fine	41.132 \| good	0.417 \| good	4.459 \| good	0.286 \| good
2025-06-09T00:00:00.000Z	60 \| moderate	14.191 \| fine	63.687 \| fine	33.393 \| good	0.404 \| good	4.455 \| good	0.28 \| good
2025-06-09T01:00:00.000Z	60 \| moderate	13.609 \| fine	60.707 \| fine	33.219 \| good	0.683 \| good	7.1 \| good	0.295 \| good
2025-06-09T02:00:00.000Z	58 \| moderate	12.871 \| fine	57.82 \| fine	33.431 \| good	0.667 \| good	6.801 \| good	0.286 \| good
2025-06-09T03:00:00.000Z	54 \| moderate	11.039 \| good	49.11 \| good	33.383 \| good	0.651 \| good	6.503 \| good	0.276 \| good
2025-06-09T04:00:00.000Z	52 \| moderate	10.391 \| good	46.078 \| good	33.983 \| good	0.813 \| good	7.642 \| good	0.297 \| good
2025-06-09T05:00:00.000Z	52 \| moderate	10.381 \| good	45.952 \| good	32.201 \| good	0.81 \| good	7.122 \| good	0.285 \| good
2025-06-09T06:00:00.000Z	54 \| moderate	10.88 \| good	11.266 \| good	33.65 \| good	0.806 \| good	6.596 \| good	0.273 \| good
2025-06-09T07:00:00.000Z	49 \| good	9.106 \| good	40.87 \| good	33.196 \| good	0.939 \| good	6.01 \| good	0.286 \| good
2025-06-09T08:00:00.000Z	44 \| good	8.397 \| good	36.965 \| good	32.707 \| good	0.938 \| good	5.696 \| good	0.277 \| good
2025-06-09T09:00:00.000Z	38 \| good	6.937 \| good	30.44 \| good	30.353 \| good	0.937 \| good	5.383 \| good	0.267 \| good

Webster

Empower business decisions with accurate air quality data

Webster, Massachusetts air quality map: Real-time AQI near you

0.20ppm

How accurate is Massachusetts, USA air quality data?

Air quality measurements for Massachusetts, 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

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Webster, Massachusetts updated?

Air quality data for Webster, Massachusetts is updated on an hourly basis.

When did Webster, Massachusetts experience the worst air quality in the last 24 hours?

The worst air quality in Webster, Massachusetts was recorded at 10:00:00 on 2025-06-06.

When did Webster, Massachusetts have its best air quality in the last 24 hours?

The best air quality in Webster, Massachusetts was recorded at 07:00:00 on 2025-06-07.

What is the real-time air quality index for Webster, Massachusetts?

The real-time air quality index in Webster, Massachusetts is 58, currently categorized as Moderate.

Which pollutant is found most often in Webster, Massachusetts?

The most common pollutant in Webster, Massachusetts is PM2.5.

What can I do if the air quality in Webster, Massachusetts is poor?

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

What are the current PM_2.5 levels in Webster, Massachusetts?

The measured PM_2.5 levels in Webster, Massachusetts at present are 13.121 μg/m³.

What are the current PM₁₀ levels at Webster, Massachusetts?

The current PM₁₀ levels in Webster, Massachusetts are 49.067 μg/m³.

What are the current carbon monoxide (CO) levels at Webster, Massachusetts?

The current carbon monoxide (CO) level in Webster, Massachusetts is 0.234 ppm.

What are the current sulfur dioxide (SO₂) levels at Webster, Massachusetts?

The current sulfur dioxide (SO₂) levels in Webster, Massachusetts are 0.537 ppb.

What are the current ozone (O₃) levels at Webster, Massachusetts?

The current ozone (O₃) levels at Webster, Massachusetts is 31.136 ppm.

What are the current nitrogen dioxide (NO₂) levels at Webster, Massachusetts?

The current nitrogen dioxide (NO₂) levels at Webster, Massachusetts is 4.91 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T11:00:00.000Z	49 \| good	8.75 \| good	20.63 \| good	41.076 \| good	0.404 \| good	16.112 \| good	0.31 \| good
2025-06-05T12:00:00.000Z	52 \| moderate	10.071 \| good	38.562 \| good	37.839 \| good	0.484 \| good	13.142 \| good	0.404 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.909 \| good	32.342 \| good	33.913 \| good	0.407 \| good	14.573 \| good	0.429 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	11.673 \| good	43.811 \| good	43.293 \| good	0.698 \| good	10.926 \| good	0.449 \| good
2025-06-05T15:00:00.000Z	62 \| moderate	15.345 \| fine	38.953 \| good	48.12 \| good	0.706 \| good	7.564 \| good	0.323 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	14.252 \| fine	59.124 \| fine	53.202 \| good	0.71 \| good	6.891 \| good	0.323 \| good
2025-06-05T17:00:00.000Z	66 \| moderate	16.79 \| fine	38.793 \| good	54.604 \| good	0.865 \| good	6.797 \| good	0.323 \| good
2025-06-05T18:00:00.000Z	67 \| moderate	17.506 \| fine	78.935 \| fine	58.689 \| fine	0.732 \| good	4.861 \| good	0.354 \| good
2025-06-05T19:00:00.000Z	69 \| moderate	19.068 \| fine	59.601 \| fine	58.274 \| fine	0.761 \| good	10.066 \| good	0.323 \| good
2025-06-05T20:00:00.000Z	90 \| moderate	18.382 \| fine	38.025 \| good	66.873 \| fine	0.566 \| good	4.99 \| good	0.323 \| good
2025-06-05T21:00:00.000Z	77 \| moderate	18.511 \| fine	77.272 \| fine	62.569 \| fine	0.776 \| good	3.807 \| good	0.311 \| good
2025-06-05T22:00:00.000Z	69 \| moderate	18.595 \| fine	51.194 \| good	60.204 \| fine	0.668 \| good	9.947 \| good	0.361 \| good
2025-06-05T23:00:00.000Z	67 \| moderate	18.008 \| fine	67.014 \| fine	58.45 \| fine	0.769 \| good	9.045 \| good	0.392 \| good
2025-06-06T00:00:00.000Z	108 \| sensitive	19.89 \| fine	59.217 \| fine	72.753 \| moderate	0.762 \| good	6.397 \| good	0.392 \| good
2025-06-06T01:00:00.000Z	136 \| sensitive	20.276 \| fine	80.283 \| fine	81.037 \| moderate	0.713 \| good	9.585 \| good	0.392 \| good
2025-06-06T02:00:00.000Z	97 \| moderate	18.468 \| fine	69.564 \| fine	69.326 \| fine	0.724 \| good	8.936 \| good	0.379 \| good
2025-06-06T03:00:00.000Z	80 \| moderate	19.543 \| fine	75.21 \| fine	63.593 \| fine	0.757 \| good	12.8 \| good	0.423 \| good
2025-06-06T04:00:00.000Z	93 \| moderate	19.374 \| fine	93.495 \| fine	68.417 \| fine	0.612 \| good	16.594 \| good	0.381 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	18.896 \| fine	59.876 \| fine	60.271 \| fine	0.631 \| good	15.872 \| good	0.286 \| good
2025-06-06T06:00:00.000Z	67 \| moderate	15.058 \| fine	40.453 \| good	59.91 \| fine	0.665 \| good	19.141 \| good	0.228 \| good
2025-06-06T07:00:00.000Z	66 \| moderate	16.53 \| fine	50.981 \| good	56.429 \| fine	0.683 \| good	14.092 \| good	0.29 \| good
2025-06-06T08:00:00.000Z	67 \| moderate	17.795 \| fine	73.023 \| fine	54.066 \| good	0.663 \| good	10.409 \| good	0.221 \| good
2025-06-06T09:00:00.000Z	67 \| moderate	18.141 \| fine	54.387 \| good	44.768 \| good	0.626 \| good	8.584 \| good	0.305 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	18.677 \| fine	60.689 \| fine	39.883 \| good	0.606 \| good	10.646 \| good	0.292 \| good
2025-06-06T11:00:00.000Z	60 \| moderate	13.9 \| fine	56.526 \| fine	38.513 \| good	0.602 \| good	5.182 \| good	0.349 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	17.806 \| fine	55.802 \| fine	30.439 \| good	0.626 \| good	5.899 \| good	0.337 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	16.559 \| fine	44.943 \| good	41.195 \| good	0.611 \| good	6.995 \| good	0.276 \| good
2025-06-06T14:00:00.000Z	62 \| moderate	15.163 \| fine	37.69 \| good	39.727 \| good	0.643 \| good	8.453 \| good	0.274 \| good
2025-06-06T15:00:00.000Z	60 \| moderate	14.183 \| fine	41.019 \| good	38.408 \| good	0.555 \| good	5.664 \| good	0.274 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	13.6 \| fine	45.763 \| good	48.542 \| good	0.48 \| good	4.103 \| good	0.274 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	14.255 \| fine	39.347 \| good	45.758 \| good	0.404 \| good	4.707 \| good	0.274 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	14.118 \| fine	48.917 \| good	50.185 \| good	0.515 \| good	5.452 \| good	0.286 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	14.977 \| fine	46.089 \| good	59.499 \| fine	0.361 \| good	6.573 \| good	0.387 \| good
2025-06-06T20:00:00.000Z	66 \| moderate	17.497 \| fine	54.181 \| good	58.304 \| fine	0.619 \| good	4.769 \| good	0.319 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	17.499 \| fine	50.833 \| good	57.584 \| fine	0.747 \| good	5.544 \| good	0.362 \| good
2025-06-06T22:00:00.000Z	71 \| moderate	16.051 \| fine	55.469 \| fine	60.935 \| fine	0.522 \| good	9.716 \| good	0.362 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.929 \| fine	63.201 \| fine	51.79 \| good	0.783 \| good	8.207 \| good	0.369 \| good
2025-06-07T00:00:00.000Z	66 \| moderate	16.696 \| fine	59.646 \| fine	44.417 \| good	0.62 \| good	7.138 \| good	0.356 \| good
2025-06-07T01:00:00.000Z	58 \| moderate	13.373 \| fine	51.308 \| good	37.815 \| good	0.355 \| good	4.99 \| good	0.313 \| good
2025-06-07T02:00:00.000Z	54 \| moderate	10.896 \| good	39.418 \| good	38.666 \| good	0.5 \| good	5.286 \| good	0.318 \| good
2025-06-07T03:00:00.000Z	49 \| good	9.092 \| good	28.35 \| good	36.897 \| good	0.58 \| good	5.421 \| good	0.268 \| good
2025-06-07T04:00:00.000Z	52 \| moderate	9.577 \| good	39.422 \| good	40.241 \| good	0.597 \| good	4.605 \| good	0.219 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.936 \| fine	25.017 \| good	34.907 \| good	0.998 \| good	5.158 \| good	0.161 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	9.537 \| good	31.246 \| good	36.372 \| good	0.976 \| good	4.716 \| good	0.161 \| good
2025-06-07T07:00:00.000Z	33 \| good	5.77 \| good	23.094 \| good	30.965 \| good	0.519 \| good	5.022 \| good	0.216 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.121 \| fine	49.067 \| good	31.136 \| good	0.537 \| good	4.91 \| good	0.234 \| good
2025-06-07T09:00:00.000Z	56 \| moderate	12.393 \| fine	33.97 \| good	26.248 \| good	0.536 \| good	7.349 \| good	0.242 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	13.121 \| fine	49.067 \| good	31.136 \| good	0.537 \| good	4.91 \| good	0.234 \| good
2025-06-07T10:00:00.000Z	38 \| good	7.249 \| good	32.045 \| good	28.247 \| good	0.148 \| good	2.897 \| good	0.152 \| good
2025-06-07T11:00:00.000Z	38 \| good	6.884 \| good	30.574 \| good	28.473 \| good	0.111 \| good	2.778 \| good	0.152 \| good
2025-06-07T12:00:00.000Z	33 \| good	5.866 \| good	25.817 \| good	31.387 \| good	0.073 \| good	2.658 \| good	0.151 \| good
2025-06-07T13:00:00.000Z	44 \| good	7.845 \| good	34.632 \| good	33.071 \| good	0.247 \| good	2.213 \| good	0.149 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	10.446 \| good	46.242 \| good	35.067 \| good	0.19 \| good	1.978 \| good	0.145 \| good
2025-06-07T15:00:00.000Z	54 \| moderate	10.731 \| good	47.41 \| good	36.337 \| good	0.133 \| good	1.743 \| good	0.142 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.794 \| good	47.959 \| good	37.623 \| good	0.39 \| good	1.565 \| good	0.147 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.619 \| good	46.976 \| good	38.336 \| good	0.329 \| good	1.468 \| good	0.144 \| good
2025-06-07T18:00:00.000Z	52 \| moderate	9.896 \| good	44.017 \| good	38.949 \| good	0.268 \| good	1.371 \| good	0.141 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.754 \| good	38.259 \| good	42.707 \| good	0.377 \| good	1.73 \| good	0.174 \| good
2025-06-07T20:00:00.000Z	42 \| good	7.311 \| good	32.142 \| good	45.442 \| good	0.368 \| good	1.641 \| good	0.17 \| good
2025-06-07T21:00:00.000Z	40 \| good	7.27 \| good	32.078 \| good	42.848 \| good	0.36 \| good	1.552 \| good	0.165 \| good
2025-06-07T22:00:00.000Z	40 \| good	7.43 \| good	32.572 \| good	43.042 \| good	0.281 \| good	4.364 \| good	0.225 \| good
2025-06-07T23:00:00.000Z	44 \| good	7.856 \| good	34.181 \| good	42.795 \| good	0.268 \| good	4.087 \| good	0.217 \| good
2025-06-08T00:00:00.000Z	37 \| good	5.882 \| good	25.831 \| good	39.741 \| good	0.256 \| good	3.81 \| good	0.209 \| good
2025-06-08T01:00:00.000Z	38 \| good	7.273 \| good	32.201 \| good	35.527 \| good	0.333 \| good	4.936 \| good	0.255 \| good
2025-06-08T02:00:00.000Z	54 \| moderate	11.406 \| good	50.521 \| good	32.108 \| good	0.322 \| good	4.867 \| good	0.25 \| good
2025-06-08T03:00:00.000Z	60 \| moderate	14.186 \| fine	63.2 \| fine	29.553 \| good	0.312 \| good	4.798 \| good	0.246 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	15.289 \| fine	68.397 \| fine	28.503 \| good	0.322 \| good	2.662 \| good	0.243 \| good
2025-06-08T05:00:00.000Z	60 \| moderate	14.452 \| fine	64.812 \| fine	27.856 \| good	0.322 \| good	2.793 \| good	0.236 \| good
2025-06-08T06:00:00.000Z	56 \| moderate	11.501 \| good	50.823 \| good	29.323 \| good	0.323 \| good	2.924 \| good	0.229 \| good
2025-06-08T07:00:00.000Z	52 \| moderate	9.515 \| good	42.534 \| good	27.938 \| good	0.408 \| good	2.446 \| good	0.242 \| good
2025-06-08T08:00:00.000Z	56 \| moderate	11.568 \| good	51.012 \| good	26.432 \| good	0.424 \| good	2.725 \| good	0.228 \| good
2025-06-08T09:00:00.000Z	60 \| moderate	14.448 \| fine	64.867 \| fine	22.011 \| good	0.441 \| good	3.005 \| good	0.215 \| good
2025-06-08T10:00:00.000Z	62 \| moderate	15.391 \| fine	68.737 \| fine	22.757 \| good	0.364 \| good	2.431 \| good	0.238 \| good
2025-06-08T11:00:00.000Z	67 \| moderate	17.662 \| fine	78.563 \| fine	25.228 \| good	0.382 \| good	2.547 \| good	0.225 \| good
2025-06-08T12:00:00.000Z	69 \| moderate	18.759 \| fine	83.164 \| fine	30.055 \| good	0.399 \| good	2.664 \| good	0.213 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	15.411 \| fine	68.85 \| fine	33.63 \| good	0.441 \| good	2.148 \| good	0.238 \| good
2025-06-08T14:00:00.000Z	58 \| moderate	12.767 \| fine	57.67 \| fine	33.38 \| good	0.431 \| good	2.202 \| good	0.234 \| good
2025-06-08T15:00:00.000Z	54 \| moderate	11.251 \| good	49.568 \| good	35.82 \| good	0.421 \| good	2.256 \| good	0.229 \| good
2025-06-08T16:00:00.000Z	49 \| good	9.249 \| good	41.268 \| good	39.648 \| good	0.278 \| good	1.285 \| good	0.257 \| good
2025-06-08T17:00:00.000Z	52 \| moderate	9.773 \| good	43.44 \| good	42.266 \| good	0.253 \| good	1.292 \| good	0.258 \| good
2025-06-08T18:00:00.000Z	54 \| moderate	11.346 \| good	50.386 \| good	42.184 \| good	0.228 \| good	1.299 \| good	0.259 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	12.262 \| fine	54.908 \| good	48.559 \| good	0.252 \| good	1.798 \| good	0.276 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	11.303 \| good	49.803 \| good	51.248 \| good	0.232 \| good	1.852 \| good	0.275 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	12.742 \| fine	57.189 \| fine	49.644 \| good	0.212 \| good	1.906 \| good	0.273 \| good
2025-06-08T22:00:00.000Z	60 \| moderate	13.813 \| fine	62.242 \| fine	46.164 \| good	0.43 \| good	4.464 \| good	0.291 \| good
2025-06-08T23:00:00.000Z	64 \| moderate	15.846 \| fine	70.684 \| fine	41.132 \| good	0.417 \| good	4.459 \| good	0.286 \| good
2025-06-09T00:00:00.000Z	60 \| moderate	14.191 \| fine	63.687 \| fine	33.393 \| good	0.404 \| good	4.455 \| good	0.28 \| good
2025-06-09T01:00:00.000Z	60 \| moderate	13.609 \| fine	60.707 \| fine	33.219 \| good	0.683 \| good	7.1 \| good	0.295 \| good
2025-06-09T02:00:00.000Z	58 \| moderate	12.871 \| fine	57.82 \| fine	33.431 \| good	0.667 \| good	6.801 \| good	0.286 \| good
2025-06-09T03:00:00.000Z	54 \| moderate	11.039 \| good	49.11 \| good	33.383 \| good	0.651 \| good	6.503 \| good	0.276 \| good
2025-06-09T04:00:00.000Z	52 \| moderate	10.391 \| good	46.078 \| good	33.983 \| good	0.813 \| good	7.642 \| good	0.297 \| good
2025-06-09T05:00:00.000Z	52 \| moderate	10.381 \| good	45.952 \| good	32.201 \| good	0.81 \| good	7.122 \| good	0.285 \| good
2025-06-09T06:00:00.000Z	54 \| moderate	10.88 \| good	11.266 \| good	33.65 \| good	0.806 \| good	6.596 \| good	0.273 \| good
2025-06-09T07:00:00.000Z	49 \| good	9.106 \| good	40.87 \| good	33.196 \| good	0.939 \| good	6.01 \| good	0.286 \| good
2025-06-09T08:00:00.000Z	44 \| good	8.397 \| good	36.965 \| good	32.707 \| good	0.938 \| good	5.696 \| good	0.277 \| good
2025-06-09T09:00:00.000Z	38 \| good	6.937 \| good	30.44 \| good	30.353 \| good	0.937 \| good	5.383 \| good	0.267 \| good

Live air quality index in Webster, Massachusetts today

Major air pollutants in Webster, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Webster, Massachusetts air quality forecast and history

Empower business decisions with accurate air quality data

Webster, Massachusetts air quality map: Real-time AQI near you

Air quality in nearby cities

Dudley, Massachusetts

Oxford, Massachusetts

Charlton, Massachusetts

Southbridge Town, Massachusetts

Auburn, Massachusetts

Millbury, Massachusetts

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Frequently asked questions

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What are the current PM2.5 levels in Webster, Massachusetts?

What are the current PM10 levels at Webster, Massachusetts?

What are the current carbon monoxide (CO) levels at Webster, Massachusetts?

What are the current sulfur dioxide (SO2) levels at Webster, Massachusetts?

What are the current ozone (O3) levels at Webster, Massachusetts?

What are the current nitrogen dioxide (NO2) levels at Webster, Massachusetts?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Webster, Massachusetts?

What are the current PM₁₀ levels at Webster, Massachusetts?

What are the current sulfur dioxide (SO₂) levels at Webster, Massachusetts?

What are the current ozone (O₃) levels at Webster, Massachusetts?

What are the current nitrogen dioxide (NO₂) levels at Webster, Massachusetts?