What is the current concentration of PM10 in Worcester, Pennsylvania?

The current PM10 concentration at Worcester, Pennsylvania is 18.479 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Worcester, Pennsylvania?

The current sulfur dioxide (SO2) concentration at Worcester, Pennsylvania is 0.172 ppb.

What is the current concentration of ozone (O3) in Worcester, Pennsylvania?

The current ozone (O3) concentration at Worcester, Pennsylvania is 44.684 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Worcester, Pennsylvania?

The current nitrogen dioxide (NO2) concentration at Worcester, Pennsylvania is 4.02 ppb.

Worcester, Pennsylvania live air quality index now

Q: What is the current concentration of PM2.5 in Worcester, Pennsylvania?

The current PM2.5 concentration at Worcester, Pennsylvania is 4.169 μg/m3.

Stay updated with real-time air quality in Worcester, Pennsylvania featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Worcester, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Worcester, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.48 μg/m³

155

255

425

605+

Ozone (O₃)

44.68 ppb

201

201+

Sulfur Dioxide (SO₂)

0.17 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Worcester, Pennsylvania

Scroll To Air Quality Map

Track live Worcester, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	44 \| good	8.14 \| good	35.658 \| good	31.353 \| good	0.343 \| good	9.101 \| good	0.416 \| good
2026-07-22T00:00:00.000Z	44 \| good	7.888 \| good	34.423 \| good	30.214 \| good	0.368 \| good	7.802 \| good	0.4 \| good
2026-07-22T01:00:00.000Z	33 \| good	6.354 \| good	28.677 \| good	27.34 \| good	0.372 \| good	8.722 \| good	0.454 \| good
2026-07-22T02:00:00.000Z	27 \| good	5.131 \| good	22.592 \| good	26.469 \| good	0.367 \| good	6.902 \| good	0.37 \| good
2026-07-22T03:00:00.000Z	27 \| good	4.618 \| good	20.523 \| good	25.413 \| good	0.388 \| good	9.128 \| good	0.367 \| good
2026-07-22T04:00:00.000Z	26 \| good	4.438 \| good	19.618 \| good	28.252 \| good	0.388 \| good	10.534 \| good	0.367 \| good
2026-07-22T05:00:00.000Z	27 \| good	4.612 \| good	20.487 \| good	27.285 \| good	0.414 \| good	9.82 \| good	0.351 \| good
2026-07-22T06:00:00.000Z	27 \| good	4.606 \| good	20.462 \| good	26.294 \| good	0.486 \| good	5.436 \| good	0.335 \| good
2026-07-22T07:00:00.000Z	27 \| good	4.584 \| good	20.366 \| good	26.314 \| good	0.486 \| good	5.857 \| good	0.335 \| good
2026-07-22T08:00:00.000Z	27 \| good	4.566 \| good	20.286 \| good	24.31 \| good	0.383 \| good	5.11 \| good	0.276 \| good
2026-07-22T09:00:00.000Z	27 \| good	4.754 \| good	21.223 \| good	24.249 \| good	0.388 \| good	6.714 \| good	0.3 \| good
2026-07-22T10:00:00.000Z	27 \| good	4.845 \| good	21.214 \| good	24.139 \| good	0.493 \| good	11.02 \| good	0.3 \| good
2026-07-22T11:00:00.000Z	27 \| good	4.842 \| good	21.188 \| good	23.135 \| good	0.493 \| good	7.566 \| good	0.351 \| good
2026-07-22T12:00:00.000Z	27 \| good	4.754 \| good	21.225 \| good	23.034 \| good	0.601 \| good	9.158 \| good	0.428 \| good
2026-07-22T13:00:00.000Z	27 \| good	4.756 \| good	21.251 \| good	23.089 \| good	0.56 \| good	15.223 \| good	0.428 \| good
2026-07-22T14:00:00.000Z	27 \| good	5.451 \| good	23.267 \| good	25.061 \| good	0.551 \| good	10.894 \| good	0.396 \| good
2026-07-22T15:00:00.000Z	38 \| good	6.714 \| good	30.056 \| good	28.015 \| good	0.543 \| good	10.083 \| good	0.396 \| good
2026-07-22T16:00:00.000Z	44 \| good	8.135 \| good	36.169 \| good	31.162 \| good	0.436 \| good	8.65 \| good	0.396 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.976 \| good	39.378 \| good	34.221 \| good	0.409 \| good	7.905 \| good	0.396 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.427 \| good	42.556 \| good	38.195 \| good	0.452 \| good	7.155 \| good	0.375 \| good
2026-07-22T19:00:00.000Z	52 \| moderate	9.566 \| good	42.749 \| good	40.321 \| good	0.451 \| good	7.39 \| good	0.375 \| good
2026-07-22T20:00:00.000Z	49 \| good	9.488 \| good	42.837 \| good	45.245 \| good	0.425 \| good	7.293 \| good	0.375 \| good
2026-07-22T21:00:00.000Z	49 \| good	9.287 \| good	41.821 \| good	42.318 \| good	0.419 \| good	9.582 \| good	0.375 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.691 \| good	37.945 \| good	41.465 \| good	0.364 \| good	7.669 \| good	0.333 \| good
2026-07-22T23:00:00.000Z	44 \| good	8.089 \| good	35.867 \| good	40.376 \| good	0.483 \| good	6.866 \| good	0.357 \| good
2026-07-23T00:00:00.000Z	44 \| good	7.965 \| good	34.778 \| good	36.496 \| good	0.453 \| good	10.092 \| good	0.34 \| good
2026-07-23T01:00:00.000Z	44 \| good	7.76 \| good	34.725 \| good	31.504 \| good	0.391 \| good	8.746 \| good	0.341 \| good
2026-07-23T02:00:00.000Z	38 \| good	7.186 \| good	31.84 \| good	30.565 \| good	0.385 \| good	6.115 \| good	0.316 \| good
2026-07-23T03:00:00.000Z	18 \| good	0.645 \| good	2.412 \| good	19.36 \| good	0.648 \| good	6.921 \| good	0.202 \| good
2026-07-23T04:00:00.000Z	33 \| good	5.96 \| good	25.746 \| good	30.218 \| good	0.375 \| good	5.739 \| good	0.261 \| good
2026-07-23T05:00:00.000Z	27 \| good	5.249 \| good	22.702 \| good	26.362 \| good	0.375 \| good	5.458 \| good	0.261 \| good
2026-07-23T06:00:00.000Z	27 \| good	4.633 \| good	20.578 \| good	23.399 \| good	0.38 \| good	4.925 \| good	0.245 \| good
2026-07-23T07:00:00.000Z	22 \| good	4.122 \| good	18.517 \| good	23.341 \| good	0.411 \| good	4.198 \| good	0.245 \| good
2026-07-23T08:00:00.000Z	22 \| good	3.611 \| good	16.482 \| good	22.259 \| good	0.372 \| good	4.407 \| good	0.245 \| good
2026-07-23T09:00:00.000Z	19 \| good	3.394 \| good	15.402 \| good	20.366 \| good	0.465 \| good	5.286 \| good	0.245 \| good
2026-07-23T10:00:00.000Z	18 \| good	3.279 \| good	14.341 \| good	19.382 \| good	0.465 \| good	8.693 \| good	0.249 \| good
2026-07-23T11:00:00.000Z	19 \| good	3.272 \| good	14.306 \| good	20.229 \| good	0.484 \| good	11.575 \| good	0.298 \| good
2026-07-23T12:00:00.000Z	19 \| good	3.272 \| good	14.307 \| good	20.114 \| good	0.398 \| good	14.06 \| good	0.343 \| good
2026-07-23T13:00:00.000Z	19 \| good	3.279 \| good	14.351 \| good	21.218 \| good	0.527 \| good	12.618 \| good	0.31 \| good
2026-07-23T14:00:00.000Z	27 \| good	4.541 \| good	18.357 \| good	22.312 \| good	0.507 \| good	10.435 \| good	0.27 \| good
2026-07-23T15:00:00.000Z	25 \| good	3.283 \| good	14.36 \| good	27.189 \| good	0.412 \| good	8.724 \| good	0.265 \| good
2026-07-23T16:00:00.000Z	27 \| good	3.282 \| good	14.36 \| good	29.204 \| good	0.173 \| good	7.607 \| good	0.265 \| good
2026-07-23T17:00:00.000Z	30 \| good	3.567 \| good	16.262 \| good	32.222 \| good	0.181 \| good	6.145 \| good	0.225 \| good
2026-07-23T18:00:00.000Z	32 \| good	3.567 \| good	16.245 \| good	35.297 \| good	0.335 \| good	5.004 \| good	0.249 \| good
2026-07-23T19:00:00.000Z	35 \| good	3.569 \| good	16.264 \| good	38.35 \| good	0.35 \| good	4.153 \| good	0.254 \| good
2026-07-23T20:00:00.000Z	38 \| good	3.676 \| good	16.318 \| good	41.364 \| good	0.181 \| good	2.731 \| good	0.254 \| good
2026-07-23T21:00:00.000Z	39 \| good	3.686 \| good	16.371 \| good	42.402 \| good	0.188 \| good	4.097 \| good	0.254 \| good
2026-07-23T22:00:00.000Z	42 \| good	4.169 \| good	18.479 \| good	44.684 \| good	0.172 \| good	4.02 \| good	0.261 \| good
2026-07-23T23:00:00.000Z	60 \| moderate	14.104 \| fine	63.308 \| fine	48.243 \| good	0.529 \| good	1.975 \| good	0.143 \| good
2026-07-24T00:00:00.000Z	52 \| moderate	9.763 \| good	43.613 \| good	39.256 \| good	0.517 \| good	4.868 \| good	0.164 \| good
2026-07-24T01:00:00.000Z	54 \| moderate	11.072 \| good	49.104 \| good	31.976 \| good	0.489 \| good	7.275 \| good	0.179 \| good
2026-07-24T02:00:00.000Z	49 \| good	9.445 \| good	42.323 \| good	29.628 \| good	0.468 \| good	7.963 \| good	0.183 \| good
2026-07-24T03:00:00.000Z	49 \| good	9.448 \| good	42.085 \| good	26.446 \| good	0.462 \| good	9.383 \| good	0.189 \| good
2026-07-24T04:00:00.000Z	52 \| moderate	9.79 \| good	43.504 \| good	26.068 \| good	0.458 \| good	11.279 \| good	0.199 \| good
2026-07-24T05:00:00.000Z	49 \| good	8.548 \| good	37.574 \| good	19.075 \| good	0.441 \| good	12.333 \| good	0.207 \| good
2026-07-24T06:00:00.000Z	52 \| moderate	9.607 \| good	42.804 \| good	15.815 \| good	0.424 \| good	13.04 \| good	0.209 \| good
2026-07-24T07:00:00.000Z	54 \| moderate	10.636 \| good	47.263 \| good	11.909 \| good	0.413 \| good	13.536 \| good	0.209 \| good
2026-07-24T08:00:00.000Z	49 \| good	9.166 \| good	40.689 \| good	10.721 \| good	0.409 \| good	14.098 \| good	0.209 \| good
2026-07-24T09:00:00.000Z	44 \| good	7.836 \| good	34.418 \| good	12.797 \| good	0.406 \| good	14.926 \| good	0.211 \| good
2026-07-24T10:00:00.000Z	44 \| good	8.071 \| good	35.391 \| good	14.222 \| good	0.402 \| good	15.99 \| good	0.219 \| good
2026-07-24T11:00:00.000Z	27 \| good	4.826 \| good	20.736 \| good	17.243 \| good	0.387 \| good	14.317 \| good	0.228 \| good
2026-07-24T12:00:00.000Z	21 \| good	2.906 \| good	12.064 \| good	22.674 \| good	0.477 \| good	11.274 \| good	0.219 \| good
2026-07-24T13:00:00.000Z	33 \| good	6.273 \| good	27.714 \| good	26.714 \| good	0.706 \| good	6.058 \| good	0.175 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.984 \| good	30.806 \| good	28.057 \| good	0.751 \| good	3.142 \| good	0.156 \| good
2026-07-24T15:00:00.000Z	38 \| good	6.74 \| good	29.803 \| good	34.734 \| good	0.703 \| good	1.697 \| good	0.149 \| good
2026-07-24T16:00:00.000Z	44 \| good	7.794 \| good	34.291 \| good	42.295 \| good	0.646 \| good	1.198 \| good	0.148 \| good
2026-07-24T17:00:00.000Z	49 \| good	8.651 \| good	38.131 \| good	44.623 \| good	0.615 \| good	1.047 \| good	0.149 \| good
2026-07-24T18:00:00.000Z	52 \| moderate	10.027 \| good	44.758 \| good	45.915 \| good	0.599 \| good	1.035 \| good	0.15 \| good
2026-07-24T19:00:00.000Z	41 \| good	3.071 \| good	12.679 \| good	43.779 \| good	0.587 \| good	1.082 \| good	0.151 \| good
2026-07-24T20:00:00.000Z	39 \| good	4.028 \| good	17.628 \| good	41.887 \| good	0.572 \| good	1.138 \| good	0.152 \| good
2026-07-24T21:00:00.000Z	39 \| good	5.318 \| good	22.991 \| good	41.774 \| good	0.553 \| good	1.254 \| good	0.153 \| good
2026-07-24T22:00:00.000Z	38 \| good	4.142 \| good	18.23 \| good	41.145 \| good	0.53 \| good	1.541 \| good	0.154 \| good
2026-07-24T23:00:00.000Z	34 \| good	6.107 \| good	27.275 \| good	37.238 \| good	0.499 \| good	2.197 \| good	0.157 \| good
2026-07-25T00:00:00.000Z	38 \| good	7.374 \| good	32.549 \| good	31.859 \| good	0.462 \| good	3.422 \| good	0.161 \| good
2026-07-25T01:00:00.000Z	44 \| good	7.99 \| good	34.967 \| good	23.742 \| good	0.417 \| good	4.043 \| good	0.158 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	10.516 \| good	46.539 \| good	20.701 \| good	0.375 \| good	4.766 \| good	0.154 \| good
2026-07-25T03:00:00.000Z	52 \| moderate	9.831 \| good	43.652 \| good	18.391 \| good	0.366 \| good	5.492 \| good	0.15 \| good
2026-07-25T04:00:00.000Z	44 \| good	8.036 \| good	35.273 \| good	14.454 \| good	0.368 \| good	7.147 \| good	0.154 \| good
2026-07-25T05:00:00.000Z	27 \| good	5.426 \| good	23.581 \| good	12.717 \| good	0.379 \| good	8.535 \| good	0.16 \| good
2026-07-25T06:00:00.000Z	14 \| good	1.46 \| good	5.865 \| good	14.537 \| good	0.402 \| good	10.637 \| good	0.168 \| good
2026-07-25T07:00:00.000Z	14 \| good	1.232 \| good	4.766 \| good	14.745 \| good	0.444 \| good	12.665 \| good	0.176 \| good
2026-07-25T08:00:00.000Z	14 \| good	0.831 \| good	2.863 \| good	14.519 \| good	0.497 \| good	12.768 \| good	0.177 \| good
2026-07-25T09:00:00.000Z	12 \| good	1.263 \| good	5.078 \| good	10.05 \| good	0.55 \| good	13.35 \| good	0.181 \| good
2026-07-25T10:00:00.000Z	13 \| good	1.12 \| good	4.55 \| good	11.383 \| good	0.597 \| good	14.041 \| good	0.186 \| good
2026-07-25T11:00:00.000Z	12 \| good	1.006 \| good	4.101 \| good	12.046 \| good	0.637 \| good	13.405 \| good	0.193 \| good
2026-07-25T12:00:00.000Z	13 \| good	0.409 \| good	1.325 \| good	13.796 \| good	0.707 \| good	9.249 \| good	0.179 \| good
2026-07-25T13:00:00.000Z	15 \| good	0.549 \| good	1.905 \| good	16.398 \| good	0.83 \| good	4.726 \| good	0.15 \| good
2026-07-25T14:00:00.000Z	22 \| good	1.031 \| good	4.19 \| good	24.413 \| good	0.739 \| good	2.551 \| good	0.141 \| good
2026-07-25T15:00:00.000Z	29 \| good	1.561 \| good	6.478 \| good	31.319 \| good	0.597 \| good	1.513 \| good	0.142 \| good
2026-07-25T16:00:00.000Z	35 \| good	3.782 \| good	16.553 \| good	38.435 \| good	0.46 \| good	1.022 \| good	0.144 \| good
2026-07-25T17:00:00.000Z	38 \| good	4.486 \| good	19.481 \| good	40.658 \| good	0.398 \| good	0.862 \| good	0.144 \| good
2026-07-25T18:00:00.000Z	42 \| good	5.841 \| good	25.587 \| good	44.801 \| good	0.362 \| good	0.8 \| good	0.143 \| good
2026-07-25T19:00:00.000Z	47 \| good	6.815 \| good	30.195 \| good	51.066 \| good	0.345 \| good	0.797 \| good	0.143 \| good
2026-07-25T20:00:00.000Z	49 \| good	6.269 \| good	27.857 \| good	53.097 \| good	0.336 \| good	0.813 \| good	0.142 \| good
2026-07-25T21:00:00.000Z	48 \| good	6.763 \| good	30.093 \| good	52.249 \| good	0.333 \| good	0.885 \| good	0.141 \| good
2026-07-25T22:00:00.000Z	46 \| good	7.097 \| good	31.519 \| good	49.917 \| good	0.335 \| good	1.094 \| good	0.142 \| good

Worcester

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Worcester, Pennsylvania air quality map: Track AQI near you

0.24ppm

How accurate is Pennsylvania, USA air quality data?

Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Worcester, Pennsylvania updated?

The air quality for Worcester, Pennsylvania is updated every hour.

When was the worst air quality at Worcester, Pennsylvania in the last 24 hrs?

The worst air quality in Worcester, Pennsylvania in the last 24 hours was observed at 10:00:00 on 2026-07-22.

When was the best air quality at Worcester, Pennsylvania in the last 24 hrs?

In the last 24 hrs, the best air quality in Worcester, Pennsylvania was observed at 10:00:00 on 2026-07-23.

What is the current air quality in Worcester, Pennsylvania?

The current air quality in Worcester, Pennsylvania is 42, categorized as Good based on real-time data.

What pollutant is the most common in Worcester, Pennsylvania?

The most common pollutant in Worcester, Pennsylvania is O3.

What should I do if the air quality in Worcester, Pennsylvania is poor?

If the air quality in Worcester, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Worcester, Pennsylvania?

The current PM_2.5 concentration at Worcester, Pennsylvania is 4.169 μg/m³.

What is the current concentration of PM₁₀ in Worcester, Pennsylvania?

The current PM₁₀ concentration at Worcester, Pennsylvania is 18.479 μg/m³.

What is the current concentration of carbon monoxide (CO) in Worcester, Pennsylvania?

The current carbon monoxide (CO) concentration at Worcester, Pennsylvania is 0.261 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Worcester, Pennsylvania?

The current sulfur dioxide (SO₂) concentration at Worcester, Pennsylvania is 0.172 ppb.

What is the current concentration of ozone (O₃) in Worcester, Pennsylvania?

The current ozone (O₃) concentration at Worcester, Pennsylvania is 44.684 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Worcester, Pennsylvania?

The current nitrogen dioxide (NO₂) concentration at Worcester, Pennsylvania is 4.02 ppb.

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