What is the sulfur dioxide (SO2) level in Allentown, Pennsylvania at the moment?

Currently, Allentown, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.405 ppb.

What is the ozone (O3) level in Allentown, Pennsylvania at the moment?

The current ozone (O3) level in Allentown, Pennsylvania at the moment is 15.94 ppm.

What is the nitrogen dioxide (NO2) level in Allentown, Pennsylvania at the moment?

Nitrogen dioxide (NO2) level in Allentown, Pennsylvania at the moment is 3.427 ppb.

Live air quality index in Allentown, Pennsylvania today

Q: What is the PM2.5 level in Allentown, Pennsylvania at the moment?

PM2.5 levels in Allentown, Pennsylvania are currently 4.998 μg/m3.

Q: What is the PM10 level in Allentown, Pennsylvania at the moment?

The PM10 concentration in Allentown, Pennsylvania is 21.569 μg/m3 at the moment.

Stay updated with real-time air quality in Allentown, 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

Allentown, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Allentown, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.57 μg/m³

155

255

425

605+

Ozone (O₃)

15.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Allentown, Pennsylvania

Get Live Pollen Counts

Allentown, Pennsylvania

Scroll To Air Quality Map

Track live Allentown, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-18T23:00:00.000Z	34 \| good	3.579 \| good	15.942 \| good	36.79 \| good	0.26 \| good	10.414 \| good	0.3 \| good
2026-09-19T00:00:00.000Z	32 \| good	3.488 \| good	15.929 \| good	34.861 \| good	0.526 \| good	11.162 \| good	0.377 \| good
2026-09-19T01:00:00.000Z	30 \| good	3.684 \| good	15.957 \| good	31.793 \| good	0.453 \| good	12.642 \| good	0.377 \| good
2026-09-19T02:00:00.000Z	29 \| good	3.787 \| good	16.916 \| good	30.779 \| good	0.27 \| good	12.606 \| good	0.39 \| good
2026-09-19T03:00:00.000Z	23 \| good	2.188 \| good	9.077 \| good	25.182 \| good	0.325 \| good	2.457 \| good	0.191 \| good
2026-09-19T04:00:00.000Z	24 \| good	4.095 \| good	18 \| good	25.771 \| good	0.323 \| good	10.188 \| good	0.321 \| good
2026-09-19T05:00:00.000Z	23 \| good	4.101 \| good	18.085 \| good	25.449 \| good	0.318 \| good	10.056 \| good	0.322 \| good
2026-09-19T06:00:00.000Z	23 \| good	4.011 \| good	18.01 \| good	25.325 \| good	0.251 \| good	11.997 \| good	0.279 \| good
2026-09-19T07:00:00.000Z	23 \| good	3.914 \| good	17.069 \| good	25.325 \| good	0.212 \| good	10.769 \| good	0.258 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.891 \| good	17.07 \| good	20.033 \| good	0.213 \| good	9.636 \| good	0.245 \| good
2026-09-19T09:00:00.000Z	22 \| good	3.884 \| good	16.914 \| good	19.011 \| good	0.359 \| good	9.035 \| good	0.222 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.872 \| good	16.937 \| good	19.966 \| good	0.229 \| good	9.806 \| good	0.266 \| good
2026-09-19T11:00:00.000Z	22 \| good	3.764 \| good	16.82 \| good	21.945 \| good	0.361 \| good	9.318 \| good	0.243 \| good
2026-09-19T12:00:00.000Z	23 \| good	3.469 \| good	15.832 \| good	24.716 \| good	0.376 \| good	8.456 \| good	0.308 \| good
2026-09-19T13:00:00.000Z	22 \| good	3.285 \| good	14.798 \| good	24.022 \| good	0.418 \| good	7.479 \| good	0.323 \| good
2026-09-19T14:00:00.000Z	24 \| good	3.184 \| good	13.84 \| good	25.901 \| good	0.278 \| good	5.728 \| good	0.302 \| good
2026-09-19T15:00:00.000Z	24 \| good	3.272 \| good	14.732 \| good	26.018 \| good	0.217 \| good	4.187 \| good	0.304 \| good
2026-09-19T16:00:00.000Z	27 \| good	3.271 \| good	14.724 \| good	28.851 \| good	0.19 \| good	3.919 \| good	0.26 \| good
2026-09-19T17:00:00.000Z	28 \| good	3.359 \| good	14.899 \| good	29.982 \| good	0.28 \| good	2.432 \| good	0.281 \| good
2026-09-19T18:00:00.000Z	32 \| good	3.473 \| good	15.853 \| good	34.907 \| good	0.217 \| good	2.671 \| good	0.281 \| good
2026-09-19T19:00:00.000Z	35 \| good	3.567 \| good	15.837 \| good	37.762 \| good	0.408 \| good	3.378 \| good	0.26 \| good
2026-09-19T20:00:00.000Z	38 \| good	3.689 \| good	15.959 \| good	40.923 \| good	0.462 \| good	3.989 \| good	0.283 \| good
2026-09-19T21:00:00.000Z	35 \| good	3.78 \| good	16.885 \| good	38.162 \| good	0.34 \| good	3.566 \| good	0.283 \| good
2026-09-19T22:00:00.000Z	37 \| good	3.799 \| good	16.991 \| good	39.822 \| good	0.381 \| good	3.456 \| good	0.283 \| good
2026-09-19T23:00:00.000Z	35 \| good	4.372 \| good	18.895 \| good	37.626 \| good	0.326 \| good	3.89 \| good	0.283 \| good
2026-09-20T00:00:00.000Z	33 \| good	4.653 \| good	20.751 \| good	35.78 \| good	0.543 \| good	3.363 \| good	0.283 \| good
2026-09-20T01:00:00.000Z	30 \| good	4.566 \| good	19.882 \| good	32.088 \| good	0.284 \| good	4.159 \| good	0.283 \| good
2026-09-20T02:00:00.000Z	30 \| good	4.453 \| good	19.757 \| good	31.829 \| good	0.322 \| good	4.894 \| good	0.283 \| good
2026-09-20T03:00:00.000Z	20 \| good	0.626 \| good	2.443 \| good	22.337 \| good	0.552 \| good	4.065 \| good	0.202 \| good
2026-09-20T04:00:00.000Z	27 \| good	4.471 \| good	19.867 \| good	28.771 \| good	0.237 \| good	2.499 \| good	0.283 \| good
2026-09-20T05:00:00.000Z	25 \| good	4.462 \| good	19.836 \| good	26.866 \| good	0.351 \| good	2.504 \| good	0.283 \| good
2026-09-20T06:00:00.000Z	22 \| good	4.456 \| good	19.753 \| good	23.974 \| good	0.369 \| good	3.714 \| good	0.283 \| good
2026-09-20T07:00:00.000Z	22 \| good	4.337 \| good	18.783 \| good	23.959 \| good	0.27 \| good	3.764 \| good	0.26 \| good
2026-09-20T08:00:00.000Z	22 \| good	4.144 \| good	18.666 \| good	21.896 \| good	0.271 \| good	3.899 \| good	0.26 \| good
2026-09-20T09:00:00.000Z	22 \| good	3.658 \| good	15.864 \| good	20.988 \| good	0.224 \| good	4.324 \| good	0.26 \| good
2026-09-20T10:00:00.000Z	19 \| good	3.09 \| good	13.908 \| good	19.976 \| good	0.257 \| good	3.663 \| good	0.26 \| good
2026-09-20T11:00:00.000Z	19 \| good	2.5 \| good	10.058 \| good	20.142 \| good	0.37 \| good	4.266 \| good	0.26 \| good
2026-09-20T12:00:00.000Z	19 \| good	2.008 \| good	8.144 \| good	20.194 \| good	0.3 \| good	4.086 \| good	0.289 \| good
2026-09-20T13:00:00.000Z	19 \| good	1.622 \| good	7.111 \| good	20.289 \| good	0.343 \| good	4.246 \| good	0.304 \| good
2026-09-20T14:00:00.000Z	19 \| good	1.493 \| good	5.978 \| good	19.512 \| good	0.343 \| good	3.384 \| good	0.281 \| good
2026-09-20T15:00:00.000Z	19 \| good	1.613 \| good	7.065 \| good	21.274 \| good	0.279 \| good	3.564 \| good	0.304 \| good
2026-09-20T16:00:00.000Z	22 \| good	2.082 \| good	8.892 \| good	23.849 \| good	0.322 \| good	4.316 \| good	0.326 \| good
2026-09-20T17:00:00.000Z	22 \| good	2.327 \| good	10.006 \| good	23.804 \| good	0.316 \| good	5.723 \| good	0.346 \| good
2026-09-20T18:00:00.000Z	19 \| good	2.982 \| good	11.961 \| good	20.914 \| good	0.518 \| good	5.27 \| good	0.304 \| good
2026-09-20T19:00:00.000Z	22 \| good	3.834 \| good	16.649 \| good	19.857 \| good	0.504 \| good	3.396 \| good	0.302 \| good
2026-09-20T20:00:00.000Z	27 \| good	4.602 \| good	20.562 \| good	19.648 \| good	0.361 \| good	3.316 \| good	0.302 \| good
2026-09-20T21:00:00.000Z	27 \| good	4.998 \| good	21.569 \| good	15.94 \| good	0.405 \| good	3.427 \| good	0.302 \| good
2026-09-20T22:00:00.000Z	27 \| good	5.411 \| good	23.619 \| good	13.174 \| good	0.32 \| good	7.028 \| good	0.358 \| good
2026-09-20T22:00:00.000Z	27 \| good	4.998 \| good	21.569 \| good	15.94 \| good	0.405 \| good	3.427 \| good	0.302 \| good
2026-09-20T23:00:00.000Z	62 \| moderate	14.547 \| fine	65.052 \| fine	22.256 \| good	0.594 \| good	4.381 \| good	0.209 \| good
2026-09-21T00:00:00.000Z	62 \| moderate	14.923 \| fine	66.715 \| fine	23.883 \| good	0.581 \| good	5.708 \| good	0.217 \| good
2026-09-21T01:00:00.000Z	64 \| moderate	16.474 \| fine	73.206 \| fine	19.864 \| good	0.585 \| good	6.18 \| good	0.223 \| good
2026-09-21T02:00:00.000Z	56 \| moderate	11.88 \| good	53.395 \| good	14.926 \| good	0.542 \| good	5.168 \| good	0.219 \| good
2026-09-21T03:00:00.000Z	52 \| moderate	9.988 \| good	44.444 \| good	13.146 \| good	0.493 \| good	4.224 \| good	0.216 \| good
2026-09-21T04:00:00.000Z	44 \| good	7.524 \| good	33.226 \| good	17.209 \| good	0.443 \| good	3.381 \| good	0.212 \| good
2026-09-21T05:00:00.000Z	33 \| good	5.626 \| good	24.387 \| good	21.181 \| good	0.399 \| good	2.617 \| good	0.208 \| good
2026-09-21T06:00:00.000Z	33 \| good	5.673 \| good	24.637 \| good	24.669 \| good	0.379 \| good	2.212 \| good	0.204 \| good
2026-09-21T07:00:00.000Z	27 \| good	5.261 \| good	22.736 \| good	23.558 \| good	0.366 \| good	2.092 \| good	0.201 \| good
2026-09-21T08:00:00.000Z	33 \| good	5.589 \| good	23.902 \| good	15.154 \| good	0.354 \| good	2.06 \| good	0.199 \| good
2026-09-21T09:00:00.000Z	27 \| good	5.474 \| good	23.611 \| good	12.507 \| good	0.341 \| good	1.972 \| good	0.196 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.845 \| good	20.743 \| good	10.792 \| good	0.332 \| good	1.863 \| good	0.193 \| good
2026-09-21T11:00:00.000Z	22 \| good	3.728 \| good	16.291 \| good	9.771 \| good	0.34 \| good	1.811 \| good	0.193 \| good
2026-09-21T12:00:00.000Z	22 \| good	3.547 \| good	15.492 \| good	13.387 \| good	0.351 \| good	1.746 \| good	0.195 \| good
2026-09-21T13:00:00.000Z	22 \| good	3.965 \| good	17.483 \| good	19.25 \| good	0.385 \| good	1.433 \| good	0.196 \| good
2026-09-21T14:00:00.000Z	22 \| good	3.638 \| good	15.945 \| good	23.571 \| good	0.434 \| good	1.094 \| good	0.195 \| good
2026-09-21T15:00:00.000Z	27 \| good	5.286 \| good	22.783 \| good	27.423 \| good	0.462 \| good	0.845 \| good	0.192 \| good
2026-09-21T16:00:00.000Z	33 \| good	5.791 \| good	25.135 \| good	31.383 \| good	0.459 \| good	0.688 \| good	0.187 \| good
2026-09-21T17:00:00.000Z	31 \| good	4.052 \| good	17.937 \| good	34.058 \| good	0.451 \| good	0.611 \| good	0.184 \| good
2026-09-21T18:00:00.000Z	31 \| good	1.769 \| good	7.23 \| good	34.032 \| good	0.446 \| good	0.593 \| good	0.181 \| good
2026-09-21T19:00:00.000Z	31 \| good	1.625 \| good	6.7 \| good	34.009 \| good	0.442 \| good	0.636 \| good	0.18 \| good
2026-09-21T20:00:00.000Z	31 \| good	2.289 \| good	9.583 \| good	33.681 \| good	0.447 \| good	0.736 \| good	0.179 \| good
2026-09-21T21:00:00.000Z	32 \| good	3.075 \| good	13.38 \| good	34.717 \| good	0.462 \| good	0.983 \| good	0.181 \| good
2026-09-21T22:00:00.000Z	31 \| good	4.437 \| good	19.311 \| good	33.011 \| good	0.5 \| good	1.991 \| good	0.19 \| good
2026-09-21T23:00:00.000Z	31 \| good	3.816 \| good	16.875 \| good	32.576 \| good	0.547 \| good	3.614 \| good	0.203 \| good
2026-09-22T00:00:00.000Z	27 \| good	5.366 \| good	23.407 \| good	24.397 \| good	0.577 \| good	4.375 \| good	0.208 \| good
2026-09-22T01:00:00.000Z	44 \| good	8.015 \| good	35.264 \| good	20.655 \| good	0.575 \| good	4.707 \| good	0.209 \| good
2026-09-22T02:00:00.000Z	44 \| good	8.301 \| good	36.465 \| good	21.39 \| good	0.574 \| good	4.781 \| good	0.208 \| good
2026-09-22T03:00:00.000Z	38 \| good	6.795 \| good	30.081 \| good	23.963 \| good	0.566 \| good	4.893 \| good	0.206 \| good
2026-09-22T04:00:00.000Z	27 \| good	5.2 \| good	22.462 \| good	23.592 \| good	0.554 \| good	4.933 \| good	0.204 \| good
2026-09-22T05:00:00.000Z	22 \| good	4.146 \| good	18.167 \| good	23.312 \| good	0.543 \| good	4.781 \| good	0.202 \| good
2026-09-22T06:00:00.000Z	22 \| good	3.733 \| good	16.486 \| good	21.611 \| good	0.536 \| good	4.616 \| good	0.2 \| good
2026-09-22T07:00:00.000Z	22 \| good	3.713 \| good	16.486 \| good	21.68 \| good	0.517 \| good	4.468 \| good	0.199 \| good
2026-09-22T08:00:00.000Z	22 \| good	4.215 \| good	18.646 \| good	20.373 \| good	0.49 \| good	4.244 \| good	0.196 \| good
2026-09-22T09:00:00.000Z	22 \| good	3.609 \| good	16.042 \| good	18.114 \| good	0.461 \| good	3.959 \| good	0.193 \| good
2026-09-22T10:00:00.000Z	18 \| good	2.251 \| good	9.076 \| good	18.632 \| good	0.429 \| good	3.689 \| good	0.189 \| good
2026-09-22T11:00:00.000Z	16 \| good	1.412 \| good	5.7 \| good	16.735 \| good	0.412 \| good	3.666 \| good	0.187 \| good
2026-09-22T12:00:00.000Z	15 \| good	2.345 \| good	9.818 \| good	16.346 \| good	0.397 \| good	4.003 \| good	0.189 \| good
2026-09-22T13:00:00.000Z	18 \| good	2.549 \| good	10.035 \| good	18.748 \| good	0.388 \| good	4.308 \| good	0.193 \| good
2026-09-22T14:00:00.000Z	19 \| good	2.074 \| good	8.271 \| good	21.17 \| good	0.373 \| good	4.003 \| good	0.194 \| good
2026-09-22T15:00:00.000Z	24 \| good	1.222 \| good	4.937 \| good	26.201 \| good	0.365 \| good	3.383 \| good	0.194 \| good
2026-09-22T16:00:00.000Z	24 \| good	0.649 \| good	2.207 \| good	25.87 \| good	0.374 \| good	2.86 \| good	0.189 \| good
2026-09-22T17:00:00.000Z	22 \| good	0.737 \| good	2.778 \| good	23.652 \| good	0.389 \| good	2.523 \| good	0.183 \| good
2026-09-22T18:00:00.000Z	19 \| good	0.743 \| good	2.812 \| good	21.257 \| good	0.379 \| good	2.428 \| good	0.179 \| good
2026-09-22T19:00:00.000Z	19 \| good	2.834 \| good	11.637 \| good	20.911 \| good	0.364 \| good	2.405 \| good	0.176 \| good
2026-09-22T20:00:00.000Z	16 \| good	3.22 \| good	14.032 \| good	17.343 \| good	0.364 \| good	2.43 \| good	0.175 \| good
2026-09-22T21:00:00.000Z	19 \| good	1.598 \| good	6.207 \| good	20.089 \| good	0.368 \| good	2.585 \| good	0.176 \| good
2026-09-22T22:00:00.000Z	19 \| good	0.107 \| good	0.035 \| good	20.132 \| good	0.372 \| good	3.057 \| good	0.181 \| good

Allentown

Get reliable air quality data to drive your business

Allentown, Pennsylvania air quality map: Stay updated on AQI near you

0.30ppm

How accurate is Pennsylvania, USA air quality data?

Air quality and pollutant data for Pennsylvania, 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 Allentown, Pennsylvania?

The air quality information for Allentown, Pennsylvania is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Allentown, Pennsylvania at its worst?

In the past 24 hours, the air quality in Allentown, Pennsylvania was at its worst at 10:00:00 on 2026-09-19.

When did Allentown, Pennsylvania experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Allentown, Pennsylvania was observed at 06:00:00 on 2026-09-20.

What is the AQI in Allentown, Pennsylvania right now?

As of now, the AQI in Allentown, Pennsylvania is 27, indicating Good conditions.

What is the most common type of pollution in Allentown, Pennsylvania?

Allentown, Pennsylvania air has the highest levels of PM2.5.

What should I do in case of poor air quality in Allentown, Pennsylvania?

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

What is the PM_2.5 level in Allentown, Pennsylvania at the moment?

PM_2.5 levels in Allentown, Pennsylvania are currently 4.998 μg/m³.

What is the PM₁₀ level in Allentown, Pennsylvania at the moment?

The PM₁₀ concentration in Allentown, Pennsylvania is 21.569 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Allentown, Pennsylvania at the moment?

The current carbon monoxide (CO) concentration in Allentown, Pennsylvania is 0.302 ppm.

What is the sulfur dioxide (SO₂) level in Allentown, Pennsylvania at the moment?

Currently, Allentown, Pennsylvania has a sulfur dioxide (SO₂) concentration of 0.405 ppb.

What is the ozone (O₃) level in Allentown, Pennsylvania at the moment?

The current ozone (O₃) level in Allentown, Pennsylvania at the moment is 15.94 ppm.

What is the nitrogen dioxide (NO₂) level in Allentown, Pennsylvania at the moment?

Nitrogen dioxide (NO₂) level in Allentown, Pennsylvania at the moment is 3.427 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-18T23:00:00.000Z	34 \| good	3.579 \| good	15.942 \| good	36.79 \| good	0.26 \| good	10.414 \| good	0.3 \| good
2026-09-19T00:00:00.000Z	32 \| good	3.488 \| good	15.929 \| good	34.861 \| good	0.526 \| good	11.162 \| good	0.377 \| good
2026-09-19T01:00:00.000Z	30 \| good	3.684 \| good	15.957 \| good	31.793 \| good	0.453 \| good	12.642 \| good	0.377 \| good
2026-09-19T02:00:00.000Z	29 \| good	3.787 \| good	16.916 \| good	30.779 \| good	0.27 \| good	12.606 \| good	0.39 \| good
2026-09-19T03:00:00.000Z	23 \| good	2.188 \| good	9.077 \| good	25.182 \| good	0.325 \| good	2.457 \| good	0.191 \| good
2026-09-19T04:00:00.000Z	24 \| good	4.095 \| good	18 \| good	25.771 \| good	0.323 \| good	10.188 \| good	0.321 \| good
2026-09-19T05:00:00.000Z	23 \| good	4.101 \| good	18.085 \| good	25.449 \| good	0.318 \| good	10.056 \| good	0.322 \| good
2026-09-19T06:00:00.000Z	23 \| good	4.011 \| good	18.01 \| good	25.325 \| good	0.251 \| good	11.997 \| good	0.279 \| good
2026-09-19T07:00:00.000Z	23 \| good	3.914 \| good	17.069 \| good	25.325 \| good	0.212 \| good	10.769 \| good	0.258 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.891 \| good	17.07 \| good	20.033 \| good	0.213 \| good	9.636 \| good	0.245 \| good
2026-09-19T09:00:00.000Z	22 \| good	3.884 \| good	16.914 \| good	19.011 \| good	0.359 \| good	9.035 \| good	0.222 \| good
2026-09-19T10:00:00.000Z	22 \| good	3.872 \| good	16.937 \| good	19.966 \| good	0.229 \| good	9.806 \| good	0.266 \| good
2026-09-19T11:00:00.000Z	22 \| good	3.764 \| good	16.82 \| good	21.945 \| good	0.361 \| good	9.318 \| good	0.243 \| good
2026-09-19T12:00:00.000Z	23 \| good	3.469 \| good	15.832 \| good	24.716 \| good	0.376 \| good	8.456 \| good	0.308 \| good
2026-09-19T13:00:00.000Z	22 \| good	3.285 \| good	14.798 \| good	24.022 \| good	0.418 \| good	7.479 \| good	0.323 \| good
2026-09-19T14:00:00.000Z	24 \| good	3.184 \| good	13.84 \| good	25.901 \| good	0.278 \| good	5.728 \| good	0.302 \| good
2026-09-19T15:00:00.000Z	24 \| good	3.272 \| good	14.732 \| good	26.018 \| good	0.217 \| good	4.187 \| good	0.304 \| good
2026-09-19T16:00:00.000Z	27 \| good	3.271 \| good	14.724 \| good	28.851 \| good	0.19 \| good	3.919 \| good	0.26 \| good
2026-09-19T17:00:00.000Z	28 \| good	3.359 \| good	14.899 \| good	29.982 \| good	0.28 \| good	2.432 \| good	0.281 \| good
2026-09-19T18:00:00.000Z	32 \| good	3.473 \| good	15.853 \| good	34.907 \| good	0.217 \| good	2.671 \| good	0.281 \| good
2026-09-19T19:00:00.000Z	35 \| good	3.567 \| good	15.837 \| good	37.762 \| good	0.408 \| good	3.378 \| good	0.26 \| good
2026-09-19T20:00:00.000Z	38 \| good	3.689 \| good	15.959 \| good	40.923 \| good	0.462 \| good	3.989 \| good	0.283 \| good
2026-09-19T21:00:00.000Z	35 \| good	3.78 \| good	16.885 \| good	38.162 \| good	0.34 \| good	3.566 \| good	0.283 \| good
2026-09-19T22:00:00.000Z	37 \| good	3.799 \| good	16.991 \| good	39.822 \| good	0.381 \| good	3.456 \| good	0.283 \| good
2026-09-19T23:00:00.000Z	35 \| good	4.372 \| good	18.895 \| good	37.626 \| good	0.326 \| good	3.89 \| good	0.283 \| good
2026-09-20T00:00:00.000Z	33 \| good	4.653 \| good	20.751 \| good	35.78 \| good	0.543 \| good	3.363 \| good	0.283 \| good
2026-09-20T01:00:00.000Z	30 \| good	4.566 \| good	19.882 \| good	32.088 \| good	0.284 \| good	4.159 \| good	0.283 \| good
2026-09-20T02:00:00.000Z	30 \| good	4.453 \| good	19.757 \| good	31.829 \| good	0.322 \| good	4.894 \| good	0.283 \| good
2026-09-20T03:00:00.000Z	20 \| good	0.626 \| good	2.443 \| good	22.337 \| good	0.552 \| good	4.065 \| good	0.202 \| good
2026-09-20T04:00:00.000Z	27 \| good	4.471 \| good	19.867 \| good	28.771 \| good	0.237 \| good	2.499 \| good	0.283 \| good
2026-09-20T05:00:00.000Z	25 \| good	4.462 \| good	19.836 \| good	26.866 \| good	0.351 \| good	2.504 \| good	0.283 \| good
2026-09-20T06:00:00.000Z	22 \| good	4.456 \| good	19.753 \| good	23.974 \| good	0.369 \| good	3.714 \| good	0.283 \| good
2026-09-20T07:00:00.000Z	22 \| good	4.337 \| good	18.783 \| good	23.959 \| good	0.27 \| good	3.764 \| good	0.26 \| good
2026-09-20T08:00:00.000Z	22 \| good	4.144 \| good	18.666 \| good	21.896 \| good	0.271 \| good	3.899 \| good	0.26 \| good
2026-09-20T09:00:00.000Z	22 \| good	3.658 \| good	15.864 \| good	20.988 \| good	0.224 \| good	4.324 \| good	0.26 \| good
2026-09-20T10:00:00.000Z	19 \| good	3.09 \| good	13.908 \| good	19.976 \| good	0.257 \| good	3.663 \| good	0.26 \| good
2026-09-20T11:00:00.000Z	19 \| good	2.5 \| good	10.058 \| good	20.142 \| good	0.37 \| good	4.266 \| good	0.26 \| good
2026-09-20T12:00:00.000Z	19 \| good	2.008 \| good	8.144 \| good	20.194 \| good	0.3 \| good	4.086 \| good	0.289 \| good
2026-09-20T13:00:00.000Z	19 \| good	1.622 \| good	7.111 \| good	20.289 \| good	0.343 \| good	4.246 \| good	0.304 \| good
2026-09-20T14:00:00.000Z	19 \| good	1.493 \| good	5.978 \| good	19.512 \| good	0.343 \| good	3.384 \| good	0.281 \| good
2026-09-20T15:00:00.000Z	19 \| good	1.613 \| good	7.065 \| good	21.274 \| good	0.279 \| good	3.564 \| good	0.304 \| good
2026-09-20T16:00:00.000Z	22 \| good	2.082 \| good	8.892 \| good	23.849 \| good	0.322 \| good	4.316 \| good	0.326 \| good
2026-09-20T17:00:00.000Z	22 \| good	2.327 \| good	10.006 \| good	23.804 \| good	0.316 \| good	5.723 \| good	0.346 \| good
2026-09-20T18:00:00.000Z	19 \| good	2.982 \| good	11.961 \| good	20.914 \| good	0.518 \| good	5.27 \| good	0.304 \| good
2026-09-20T19:00:00.000Z	22 \| good	3.834 \| good	16.649 \| good	19.857 \| good	0.504 \| good	3.396 \| good	0.302 \| good
2026-09-20T20:00:00.000Z	27 \| good	4.602 \| good	20.562 \| good	19.648 \| good	0.361 \| good	3.316 \| good	0.302 \| good
2026-09-20T21:00:00.000Z	27 \| good	4.998 \| good	21.569 \| good	15.94 \| good	0.405 \| good	3.427 \| good	0.302 \| good
2026-09-20T22:00:00.000Z	27 \| good	5.411 \| good	23.619 \| good	13.174 \| good	0.32 \| good	7.028 \| good	0.358 \| good
2026-09-20T22:00:00.000Z	27 \| good	4.998 \| good	21.569 \| good	15.94 \| good	0.405 \| good	3.427 \| good	0.302 \| good
2026-09-20T23:00:00.000Z	62 \| moderate	14.547 \| fine	65.052 \| fine	22.256 \| good	0.594 \| good	4.381 \| good	0.209 \| good
2026-09-21T00:00:00.000Z	62 \| moderate	14.923 \| fine	66.715 \| fine	23.883 \| good	0.581 \| good	5.708 \| good	0.217 \| good
2026-09-21T01:00:00.000Z	64 \| moderate	16.474 \| fine	73.206 \| fine	19.864 \| good	0.585 \| good	6.18 \| good	0.223 \| good
2026-09-21T02:00:00.000Z	56 \| moderate	11.88 \| good	53.395 \| good	14.926 \| good	0.542 \| good	5.168 \| good	0.219 \| good
2026-09-21T03:00:00.000Z	52 \| moderate	9.988 \| good	44.444 \| good	13.146 \| good	0.493 \| good	4.224 \| good	0.216 \| good
2026-09-21T04:00:00.000Z	44 \| good	7.524 \| good	33.226 \| good	17.209 \| good	0.443 \| good	3.381 \| good	0.212 \| good
2026-09-21T05:00:00.000Z	33 \| good	5.626 \| good	24.387 \| good	21.181 \| good	0.399 \| good	2.617 \| good	0.208 \| good
2026-09-21T06:00:00.000Z	33 \| good	5.673 \| good	24.637 \| good	24.669 \| good	0.379 \| good	2.212 \| good	0.204 \| good
2026-09-21T07:00:00.000Z	27 \| good	5.261 \| good	22.736 \| good	23.558 \| good	0.366 \| good	2.092 \| good	0.201 \| good
2026-09-21T08:00:00.000Z	33 \| good	5.589 \| good	23.902 \| good	15.154 \| good	0.354 \| good	2.06 \| good	0.199 \| good
2026-09-21T09:00:00.000Z	27 \| good	5.474 \| good	23.611 \| good	12.507 \| good	0.341 \| good	1.972 \| good	0.196 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.845 \| good	20.743 \| good	10.792 \| good	0.332 \| good	1.863 \| good	0.193 \| good
2026-09-21T11:00:00.000Z	22 \| good	3.728 \| good	16.291 \| good	9.771 \| good	0.34 \| good	1.811 \| good	0.193 \| good
2026-09-21T12:00:00.000Z	22 \| good	3.547 \| good	15.492 \| good	13.387 \| good	0.351 \| good	1.746 \| good	0.195 \| good
2026-09-21T13:00:00.000Z	22 \| good	3.965 \| good	17.483 \| good	19.25 \| good	0.385 \| good	1.433 \| good	0.196 \| good
2026-09-21T14:00:00.000Z	22 \| good	3.638 \| good	15.945 \| good	23.571 \| good	0.434 \| good	1.094 \| good	0.195 \| good
2026-09-21T15:00:00.000Z	27 \| good	5.286 \| good	22.783 \| good	27.423 \| good	0.462 \| good	0.845 \| good	0.192 \| good
2026-09-21T16:00:00.000Z	33 \| good	5.791 \| good	25.135 \| good	31.383 \| good	0.459 \| good	0.688 \| good	0.187 \| good
2026-09-21T17:00:00.000Z	31 \| good	4.052 \| good	17.937 \| good	34.058 \| good	0.451 \| good	0.611 \| good	0.184 \| good
2026-09-21T18:00:00.000Z	31 \| good	1.769 \| good	7.23 \| good	34.032 \| good	0.446 \| good	0.593 \| good	0.181 \| good
2026-09-21T19:00:00.000Z	31 \| good	1.625 \| good	6.7 \| good	34.009 \| good	0.442 \| good	0.636 \| good	0.18 \| good
2026-09-21T20:00:00.000Z	31 \| good	2.289 \| good	9.583 \| good	33.681 \| good	0.447 \| good	0.736 \| good	0.179 \| good
2026-09-21T21:00:00.000Z	32 \| good	3.075 \| good	13.38 \| good	34.717 \| good	0.462 \| good	0.983 \| good	0.181 \| good
2026-09-21T22:00:00.000Z	31 \| good	4.437 \| good	19.311 \| good	33.011 \| good	0.5 \| good	1.991 \| good	0.19 \| good
2026-09-21T23:00:00.000Z	31 \| good	3.816 \| good	16.875 \| good	32.576 \| good	0.547 \| good	3.614 \| good	0.203 \| good
2026-09-22T00:00:00.000Z	27 \| good	5.366 \| good	23.407 \| good	24.397 \| good	0.577 \| good	4.375 \| good	0.208 \| good
2026-09-22T01:00:00.000Z	44 \| good	8.015 \| good	35.264 \| good	20.655 \| good	0.575 \| good	4.707 \| good	0.209 \| good
2026-09-22T02:00:00.000Z	44 \| good	8.301 \| good	36.465 \| good	21.39 \| good	0.574 \| good	4.781 \| good	0.208 \| good
2026-09-22T03:00:00.000Z	38 \| good	6.795 \| good	30.081 \| good	23.963 \| good	0.566 \| good	4.893 \| good	0.206 \| good
2026-09-22T04:00:00.000Z	27 \| good	5.2 \| good	22.462 \| good	23.592 \| good	0.554 \| good	4.933 \| good	0.204 \| good
2026-09-22T05:00:00.000Z	22 \| good	4.146 \| good	18.167 \| good	23.312 \| good	0.543 \| good	4.781 \| good	0.202 \| good
2026-09-22T06:00:00.000Z	22 \| good	3.733 \| good	16.486 \| good	21.611 \| good	0.536 \| good	4.616 \| good	0.2 \| good
2026-09-22T07:00:00.000Z	22 \| good	3.713 \| good	16.486 \| good	21.68 \| good	0.517 \| good	4.468 \| good	0.199 \| good
2026-09-22T08:00:00.000Z	22 \| good	4.215 \| good	18.646 \| good	20.373 \| good	0.49 \| good	4.244 \| good	0.196 \| good
2026-09-22T09:00:00.000Z	22 \| good	3.609 \| good	16.042 \| good	18.114 \| good	0.461 \| good	3.959 \| good	0.193 \| good
2026-09-22T10:00:00.000Z	18 \| good	2.251 \| good	9.076 \| good	18.632 \| good	0.429 \| good	3.689 \| good	0.189 \| good
2026-09-22T11:00:00.000Z	16 \| good	1.412 \| good	5.7 \| good	16.735 \| good	0.412 \| good	3.666 \| good	0.187 \| good
2026-09-22T12:00:00.000Z	15 \| good	2.345 \| good	9.818 \| good	16.346 \| good	0.397 \| good	4.003 \| good	0.189 \| good
2026-09-22T13:00:00.000Z	18 \| good	2.549 \| good	10.035 \| good	18.748 \| good	0.388 \| good	4.308 \| good	0.193 \| good
2026-09-22T14:00:00.000Z	19 \| good	2.074 \| good	8.271 \| good	21.17 \| good	0.373 \| good	4.003 \| good	0.194 \| good
2026-09-22T15:00:00.000Z	24 \| good	1.222 \| good	4.937 \| good	26.201 \| good	0.365 \| good	3.383 \| good	0.194 \| good
2026-09-22T16:00:00.000Z	24 \| good	0.649 \| good	2.207 \| good	25.87 \| good	0.374 \| good	2.86 \| good	0.189 \| good
2026-09-22T17:00:00.000Z	22 \| good	0.737 \| good	2.778 \| good	23.652 \| good	0.389 \| good	2.523 \| good	0.183 \| good
2026-09-22T18:00:00.000Z	19 \| good	0.743 \| good	2.812 \| good	21.257 \| good	0.379 \| good	2.428 \| good	0.179 \| good
2026-09-22T19:00:00.000Z	19 \| good	2.834 \| good	11.637 \| good	20.911 \| good	0.364 \| good	2.405 \| good	0.176 \| good
2026-09-22T20:00:00.000Z	16 \| good	3.22 \| good	14.032 \| good	17.343 \| good	0.364 \| good	2.43 \| good	0.175 \| good
2026-09-22T21:00:00.000Z	19 \| good	1.598 \| good	6.207 \| good	20.089 \| good	0.368 \| good	2.585 \| good	0.176 \| good
2026-09-22T22:00:00.000Z	19 \| good	0.107 \| good	0.035 \| good	20.132 \| good	0.372 \| good	3.057 \| good	0.181 \| good

Live air quality index in Allentown, Pennsylvania today

Major air pollutants in Allentown, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Allentown, Pennsylvania air quality forecast and history

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Allentown, Pennsylvania air quality map: Stay updated on AQI near you

Air quality in nearby cities

Salisbury Township, Pennsylvania

South Whitehall, Pennsylvania

Whitehall Township, Pennsylvania

Emmaus, Pennsylvania

Bethlehem, Pennsylvania

Upper Saucon, Pennsylvania

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Frequently asked questions

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What is the PM2.5 level in Allentown, Pennsylvania at the moment?

What is the PM10 level in Allentown, Pennsylvania at the moment?

What is the carbon monoxide (CO) level in Allentown, Pennsylvania at the moment?

What is the sulfur dioxide (SO2) level in Allentown, Pennsylvania at the moment?

What is the ozone (O3) level in Allentown, Pennsylvania at the moment?

What is the nitrogen dioxide (NO2) level in Allentown, Pennsylvania 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 Allentown, Pennsylvania at the moment?

What is the PM₁₀ level in Allentown, Pennsylvania at the moment?

What is the sulfur dioxide (SO₂) level in Allentown, Pennsylvania at the moment?

What is the ozone (O₃) level in Allentown, Pennsylvania at the moment?

What is the nitrogen dioxide (NO₂) level in Allentown, Pennsylvania at the moment?