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

The current PM10 concentration at Pennsylvania, USA is 26.906 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Pennsylvania, USA is 0.585 ppb.

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

The current ozone (O3) concentration at Pennsylvania, USA is 10.578 ppm.

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

The current nitrogen dioxide (NO2) concentration at Pennsylvania, USA is 5.547 ppb.

Pennsylvania, USA live air quality index now

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

The current PM2.5 concentration at Pennsylvania, USA is 6.268 μg/m3.

Stay updated with real-time air quality in Pennsylvania, USA 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

Pennsylvania, USA

Last updated: ... (Local time)

Major air pollutants in Pennsylvania, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.75 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.99 μg/m³

155

255

425

605+

Ozone (O₃)

10.03 ppb

201

201+

Sulfur Dioxide (SO₂)

0.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.33 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Pennsylvania, USA

Get Live Pollen Counts

Pennsylvania, USA

Scroll To Air Quality Map

Track live Pennsylvania, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T11:00:00.000Z	27 \| good	5.373 \| good	23.432 \| good	18.535 \| good	0.209 \| good	7.849 \| good	0.222 \| good
2026-09-05T12:00:00.000Z	27 \| good	5.235 \| good	22.991 \| good	18.614 \| good	0.356 \| good	7.963 \| good	0.239 \| good
2026-09-05T13:00:00.000Z	27 \| good	4.809 \| good	21.801 \| good	22.091 \| good	0.354 \| good	8.13 \| good	0.239 \| good
2026-09-05T14:00:00.000Z	24 \| good	4.492 \| good	19.7 \| good	26.411 \| good	0.511 \| good	3.312 \| good	0.24 \| good
2026-09-05T15:00:00.000Z	24 \| good	4.128 \| good	18.701 \| good	26.022 \| good	0.529 \| good	2.437 \| good	0.218 \| good
2026-09-05T16:00:00.000Z	24 \| good	3.777 \| good	16.718 \| good	26.397 \| good	0.492 \| good	2.803 \| good	0.218 \| good
2026-09-05T17:00:00.000Z	27 \| good	3.529 \| good	15.447 \| good	29.158 \| good	0.397 \| good	2.476 \| good	0.218 \| good
2026-09-05T18:00:00.000Z	30 \| good	3.509 \| good	15.627 \| good	31.909 \| good	0.374 \| good	2.089 \| good	0.2 \| good
2026-09-05T19:00:00.000Z	30 \| good	3.36 \| good	15.241 \| good	31.907 \| good	0.396 \| good	1.533 \| good	0.181 \| good
2026-09-05T20:00:00.000Z	29 \| good	3.245 \| good	14.341 \| good	30.674 \| good	0.366 \| good	2.595 \| good	0.178 \| good
2026-09-05T21:00:00.000Z	30 \| good	3.145 \| good	14.277 \| good	31.936 \| good	0.405 \| good	2.666 \| good	0.199 \| good
2026-09-05T22:00:00.000Z	30 \| good	3.131 \| good	14.104 \| good	31.649 \| good	0.369 \| good	3.414 \| good	0.219 \| good
2026-09-05T23:00:00.000Z	27 \| good	2.946 \| good	12.327 \| good	28.945 \| good	0.401 \| good	3.152 \| good	0.238 \| good
2026-09-06T00:00:00.000Z	27 \| good	2.966 \| good	12.314 \| good	28.803 \| good	0.484 \| good	2.196 \| good	0.219 \| good
2026-09-06T01:00:00.000Z	23 \| good	3.067 \| good	12.569 \| good	25.208 \| good	0.468 \| good	2.359 \| good	0.272 \| good
2026-09-06T02:00:00.000Z	20 \| good	3.188 \| good	14.524 \| good	21.621 \| good	0.387 \| good	2.635 \| good	0.313 \| good
2026-09-06T03:00:00.000Z	16 \| good	3.209 \| good	14 \| good	16.505 \| good	0.07 \| good	1.661 \| good	0.162 \| good
2026-09-06T04:00:00.000Z	16 \| good	3.349 \| good	14.888 \| good	16.23 \| good	0.352 \| good	3.528 \| good	0.32 \| good
2026-09-06T05:00:00.000Z	22 \| good	3.54 \| good	16.477 \| good	15.948 \| good	0.31 \| good	3.934 \| good	0.295 \| good
2026-09-06T06:00:00.000Z	16 \| good	3.429 \| good	15.766 \| good	13.437 \| good	0.224 \| good	3.507 \| good	0.296 \| good
2026-09-06T07:00:00.000Z	16 \| good	3.422 \| good	15.568 \| good	9.665 \| good	0.221 \| good	3.747 \| good	0.347 \| good
2026-09-06T08:00:00.000Z	22 \| good	3.564 \| good	15.929 \| good	9.892 \| good	0.222 \| good	4.876 \| good	0.312 \| good
2026-09-06T09:00:00.000Z	22 \| good	3.581 \| good	16.094 \| good	9.242 \| good	0.328 \| good	4.303 \| good	0.294 \| good
2026-09-06T10:00:00.000Z	22 \| good	3.637 \| good	16.482 \| good	6.848 \| good	0.369 \| good	4.189 \| good	0.276 \| good
2026-09-06T11:00:00.000Z	22 \| good	3.591 \| good	16.418 \| good	10.866 \| good	0.222 \| good	4.459 \| good	0.259 \| good
2026-09-06T12:00:00.000Z	22 \| good	3.573 \| good	16.237 \| good	9.87 \| good	0.381 \| good	4.679 \| good	0.293 \| good
2026-09-06T13:00:00.000Z	22 \| good	4.242 \| good	17.78 \| good	11.832 \| good	0.384 \| good	4.229 \| good	0.275 \| good
2026-09-06T14:00:00.000Z	18 \| good	2.839 \| good	11.796 \| good	19.276 \| good	0.204 \| good	2.438 \| good	0.24 \| good
2026-09-06T15:00:00.000Z	18 \| good	2.844 \| good	11.785 \| good	18.512 \| good	0.243 \| good	1.653 \| good	0.239 \| good
2026-09-06T16:00:00.000Z	19 \| good	2.829 \| good	11.829 \| good	19.743 \| good	0.294 \| good	1.366 \| good	0.239 \| good
2026-09-06T17:00:00.000Z	20 \| good	2.831 \| good	11.788 \| good	22.157 \| good	0.275 \| good	1.447 \| good	0.202 \| good
2026-09-06T18:00:00.000Z	22 \| good	2.776 \| good	11.558 \| good	24.131 \| good	0.346 \| good	1.096 \| good	0.219 \| good
2026-09-06T19:00:00.000Z	25 \| good	2.674 \| good	11.744 \| good	26.75 \| good	0.238 \| good	1.284 \| good	0.183 \| good
2026-09-06T20:00:00.000Z	26 \| good	2.283 \| good	9.605 \| good	27.648 \| good	0.369 \| good	1.33 \| good	0.201 \| good
2026-09-06T21:00:00.000Z	26 \| good	2.251 \| good	9.371 \| good	27.579 \| good	0.388 \| good	2.062 \| good	0.201 \| good
2026-09-06T22:00:00.000Z	25 \| good	2.241 \| good	9.397 \| good	26.885 \| good	0.326 \| good	3.101 \| good	0.182 \| good
2026-09-06T23:00:00.000Z	23 \| good	2.255 \| good	9.46 \| good	24.967 \| good	0.412 \| good	2.806 \| good	0.218 \| good
2026-09-07T00:00:00.000Z	21 \| good	2.354 \| good	10.28 \| good	23.488 \| good	0.35 \| good	2.387 \| good	0.236 \| good
2026-09-07T01:00:00.000Z	19 \| good	2.571 \| good	10.727 \| good	20.793 \| good	0.327 \| good	2.962 \| good	0.255 \| good
2026-09-07T02:00:00.000Z	20 \| good	2.988 \| good	12.697 \| good	22.086 \| good	0.388 \| good	5.214 \| good	0.311 \| good
2026-09-07T03:00:00.000Z	19 \| good	2.622 \| good	10.942 \| good	20.167 \| good	0.1 \| good	1.803 \| good	0.145 \| good
2026-09-07T04:00:00.000Z	22 \| good	3.791 \| good	17.389 \| good	15.657 \| good	0.519 \| good	6.203 \| good	0.389 \| good
2026-09-07T05:00:00.000Z	22 \| good	3.661 \| good	16.647 \| good	14.466 \| good	0.461 \| good	6.179 \| good	0.371 \| good
2026-09-07T06:00:00.000Z	22 \| good	3.835 \| good	18.114 \| good	14.195 \| good	0.421 \| good	6.848 \| good	0.372 \| good
2026-09-07T07:00:00.000Z	22 \| good	3.755 \| good	17.057 \| good	13.533 \| good	0.384 \| good	6.835 \| good	0.371 \| good
2026-09-07T08:00:00.000Z	22 \| good	3.737 \| good	15.584 \| good	14.513 \| good	0.346 \| good	5.435 \| good	0.351 \| good
2026-09-07T09:00:00.000Z	22 \| good	3.58 \| good	15.826 \| good	11.492 \| good	0.327 \| good	4.848 \| good	0.352 \| good
2026-09-07T10:00:00.000Z	33 \| good	5.748 \| good	24.992 \| good	10.033 \| good	0.563 \| good	6.326 \| good	0.357 \| good
2026-09-07T11:00:00.000Z	11 \| good	2.384 \| good	9.915 \| good	9.404 \| good	0.151 \| good	5.056 \| good	0.181 \| good
2026-09-07T12:00:00.000Z	12 \| good	1.825 \| good	7.87 \| good	12.893 \| good	0.14 \| good	3.41 \| good	0.182 \| good
2026-09-07T13:00:00.000Z	16 \| good	1.22 \| good	4.967 \| good	17.236 \| good	0.159 \| good	1.821 \| good	0.17 \| good
2026-09-07T14:00:00.000Z	22 \| good	0.549 \| good	2.071 \| good	24.366 \| good	0.191 \| good	0.667 \| good	0.15 \| good
2026-09-07T15:00:00.000Z	26 \| good	0.239 \| good	0.909 \| good	28.214 \| good	0.176 \| good	0.365 \| good	0.146 \| good
2026-09-07T16:00:00.000Z	30 \| good	0.231 \| good	0.826 \| good	31.738 \| good	0.15 \| good	0.265 \| good	0.143 \| good
2026-09-07T17:00:00.000Z	31 \| good	0.232 \| good	0.807 \| good	33.66 \| good	0.135 \| good	0.225 \| good	0.142 \| good
2026-09-07T18:00:00.000Z	32 \| good	0.238 \| good	0.802 \| good	34.931 \| good	0.126 \| good	0.213 \| good	0.142 \| good
2026-09-07T19:00:00.000Z	31 \| good	0.286 \| good	0.826 \| good	34.439 \| good	0.121 \| good	0.216 \| good	0.141 \| good
2026-09-07T20:00:00.000Z	31 \| good	0.886 \| good	3.129 \| good	32.803 \| good	0.118 \| good	0.232 \| good	0.141 \| good
2026-09-07T21:00:00.000Z	30 \| good	1.6 \| good	6.87 \| good	31.716 \| good	0.117 \| good	0.277 \| good	0.141 \| good
2026-09-07T22:00:00.000Z	29 \| good	1.982 \| good	7.948 \| good	30.704 \| good	0.117 \| good	0.419 \| good	0.142 \| good
2026-09-07T23:00:00.000Z	23 \| good	1.757 \| good	7.107 \| good	25.381 \| good	0.105 \| good	2.718 \| good	0.169 \| good
2026-09-08T00:00:00.000Z	20 \| good	2.745 \| good	11.583 \| good	22.403 \| good	0.137 \| good	5.591 \| good	0.197 \| good
2026-09-08T01:00:00.000Z	20 \| good	3.097 \| good	13.357 \| good	21.511 \| good	0.168 \| good	7.559 \| good	0.217 \| good
2026-09-08T02:00:00.000Z	19 \| good	2.88 \| good	11.901 \| good	20.784 \| good	0.188 \| good	8.555 \| good	0.228 \| good
2026-09-08T03:00:00.000Z	21 \| good	3.222 \| good	13.854 \| good	23.271 \| good	0.2 \| good	9.099 \| good	0.235 \| good
2026-09-08T04:00:00.000Z	21 \| good	1.578 \| good	6.296 \| good	22.56 \| good	0.2 \| good	9.272 \| good	0.24 \| good
2026-09-08T05:00:00.000Z	20 \| good	1.558 \| good	6.129 \| good	21.954 \| good	0.189 \| good	9.042 \| good	0.24 \| good
2026-09-08T06:00:00.000Z	19 \| good	1.376 \| good	5.154 \| good	20.618 \| good	0.18 \| good	8.759 \| good	0.239 \| good
2026-09-08T07:00:00.000Z	18 \| good	1.63 \| good	6.915 \| good	19.214 \| good	0.177 \| good	8.52 \| good	0.237 \| good
2026-09-08T08:00:00.000Z	17 \| good	1.551 \| good	6.133 \| good	17.991 \| good	0.178 \| good	8.356 \| good	0.235 \| good
2026-09-08T09:00:00.000Z	12 \| good	1.075 \| good	4.18 \| good	13.111 \| good	0.181 \| good	8.266 \| good	0.234 \| good
2026-09-08T10:00:00.000Z	10 \| good	0.383 \| good	1.125 \| good	11.273 \| good	0.187 \| good	8.175 \| good	0.232 \| good
2026-09-08T11:00:00.000Z	10 \| good	0.381 \| good	1.104 \| good	10.671 \| good	0.2 \| good	7.873 \| good	0.233 \| good
2026-09-08T12:00:00.000Z	11 \| good	0.401 \| good	1.748 \| good	11.92 \| good	0.219 \| good	6.931 \| good	0.244 \| good
2026-09-08T13:00:00.000Z	14 \| good	0.413 \| good	1.774 \| good	14.612 \| good	0.219 \| good	2.65 \| good	0.201 \| good
2026-09-08T14:00:00.000Z	19 \| good	0.385 \| good	1.175 \| good	20.56 \| good	0.235 \| good	1.039 \| good	0.167 \| good
2026-09-08T15:00:00.000Z	24 \| good	0.323 \| good	1.1 \| good	26.018 \| good	0.252 \| good	0.513 \| good	0.157 \| good
2026-09-08T16:00:00.000Z	28 \| good	0.293 \| good	0.884 \| good	30.275 \| good	0.257 \| good	0.349 \| good	0.155 \| good
2026-09-08T17:00:00.000Z	30 \| good	0.286 \| good	0.91 \| good	31.894 \| good	0.317 \| good	0.297 \| good	0.158 \| good
2026-09-08T18:00:00.000Z	31 \| good	0.126 \| good	0.045 \| good	34.219 \| good	0.38 \| good	0.294 \| good	0.161 \| good
2026-09-08T19:00:00.000Z	32 \| good	0.529 \| good	2 \| good	34.68 \| good	0.409 \| good	0.318 \| good	0.163 \| good
2026-09-08T20:00:00.000Z	30 \| good	0.977 \| good	3.974 \| good	32.136 \| good	0.427 \| good	0.343 \| good	0.166 \| good
2026-09-08T21:00:00.000Z	28 \| good	0.884 \| good	3.251 \| good	30.468 \| good	0.443 \| good	0.411 \| good	0.168 \| good
2026-09-08T22:00:00.000Z	29 \| good	2.368 \| good	9.776 \| good	31.32 \| good	0.426 \| good	0.902 \| good	0.176 \| good
2026-09-08T23:00:00.000Z	21 \| good	0.864 \| good	3.321 \| good	23.452 \| good	0.352 \| good	3.206 \| good	0.207 \| good
2026-09-09T00:00:00.000Z	15 \| good	1.113 \| good	4.775 \| good	16.34 \| good	0.378 \| good	5.322 \| good	0.23 \| good
2026-09-09T01:00:00.000Z	14 \| good	1.48 \| good	5.968 \| good	15.227 \| good	0.397 \| good	6.453 \| good	0.245 \| good
2026-09-09T02:00:00.000Z	15 \| good	1.448 \| good	5.759 \| good	16.46 \| good	0.414 \| good	6.906 \| good	0.253 \| good
2026-09-09T03:00:00.000Z	19 \| good	0.46 \| good	1.864 \| good	19.968 \| good	0.432 \| good	7.25 \| good	0.259 \| good
2026-09-09T04:00:00.000Z	22 \| good	0.519 \| good	1.987 \| good	23.705 \| good	0.449 \| good	7.516 \| good	0.264 \| good
2026-09-09T05:00:00.000Z	24 \| good	0.601 \| good	1.974 \| good	25.656 \| good	0.473 \| good	7.25 \| good	0.264 \| good
2026-09-09T06:00:00.000Z	23 \| good	0.878 \| good	3.297 \| good	24.872 \| good	0.522 \| good	6.729 \| good	0.26 \| good
2026-09-09T07:00:00.000Z	21 \| good	0.603 \| good	2.185 \| good	22.59 \| good	0.584 \| good	6.469 \| good	0.259 \| good
2026-09-09T08:00:00.000Z	18 \| good	0.81 \| good	3.196 \| good	19.236 \| good	0.642 \| good	6.615 \| good	0.263 \| good
2026-09-09T09:00:00.000Z	19 \| good	2.159 \| good	8.649 \| good	20.298 \| good	0.691 \| good	6.97 \| good	0.27 \| good
2026-09-09T10:00:00.000Z	16 \| good	3.072 \| good	12.812 \| good	15.557 \| good	0.735 \| good	7.373 \| good	0.277 \| good

Pennsylvania

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Pennsylvania, USA air quality map: Track AQI near you

Air quality in cities of Pennsylvania, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Harrisburg, Pennsylvania	82 Moderate	26.41μg/m³ Fine	114.01μg/m³ Fine	5.42ppb Good	0.35ppb Good	5.18ppb Good	0.33ppm Good
Fairview township, Pennsylvania	82 Moderate	25.99μg/m³ Fine	112.17μg/m³ Fine	5.49ppb Good	0.35ppb Good	5.17ppb Good	0.33ppm Good
Swatara township, Pennsylvania	81 Moderate	24.62μg/m³ Fine	106.26μg/m³ Fine	5.68ppb Good	0.35ppb Good	5.12ppb Good	0.33ppm Good
Susquehanna township, Pennsylvania	79 Moderate	24.50μg/m³ Fine	105.75μg/m³ Fine	5.73ppb Good	0.35ppb Good	5.12ppb Good	0.33ppm Good
Lower Allen, Pennsylvania	79 Moderate	24.05μg/m³ Fine	103.87μg/m³ Fine	6.23ppb Good	0.34ppb Good	5.11ppb Good	0.33ppm Good
Hampden, Pennsylvania	75 Moderate	22.32μg/m³ Fine	96.47μg/m³ Fine	6.75ppb Good	0.34ppb Good	5.06ppb Good	0.33ppm Good
East Pennsboro, Pennsylvania	73 Moderate	21.04μg/m³ Fine	90.96μg/m³ Fine	7.13ppb Good	0.34ppb Good	5.01ppb Good	0.33ppm Good
Lower Paxton, Pennsylvania	73 Moderate	20.97μg/m³ Fine	90.51μg/m³ Fine	6.30ppb Good	0.35ppb Good	4.99ppb Good	0.33ppm Good
Upper Allen, Pennsylvania	60 Moderate	14.00μg/m³ Fine	44.05μg/m³ Good	9.42ppb Good	0.34ppb Good	5.25ppb Good	0.33ppm Good
Rapho, Pennsylvania	56 Moderate	12.41μg/m³ Fine	56.20μg/m³ Fine	10.18ppb Good	0.54ppb Good	4.50ppb Good	0.35ppm Good
West Hanover, Pennsylvania	58 Moderate	12.65μg/m³ Fine	54.54μg/m³ Fine	7.61ppb Good	0.36ppb Good	4.67ppb Good	0.33ppm Good
Dover township, Pennsylvania	56 Moderate	11.84μg/m³ Good	42.99μg/m³ Good	10.92ppb Good	0.34ppb Good	5.17ppb Good	0.33ppm Good
Hampton, Pennsylvania	54 Moderate	11.42μg/m³ Good	28.62μg/m³ Good	10.83ppb Good	0.32ppb Good	4.78ppb Good	0.33ppm Good
Hanover borough, Pennsylvania	52 Moderate	9.64μg/m³ Good	19.58μg/m³ Good	9.95ppb Good	0.33ppb Good	5.14ppb Good	0.33ppm Good
Exeter township, Pennsylvania	51 Moderate	9.41μg/m³ Good	54.71μg/m³ Fine	9.10ppb Good	0.55ppb Good	4.51ppb Good	0.38ppm Good
Douglass township, Pennsylvania	44 Good	6.10μg/m³ Good	48.31μg/m³ Good	11.01ppb Good	0.54ppb Good	4.58ppb Good	0.39ppm Good
Manchester township, Pennsylvania	44 Good	7.92μg/m³ Good	34.89μg/m³ Good	10.16ppb Good	0.36ppb Good	5.11ppb Good	0.33ppm Good
New Hanover, Pennsylvania	44 Good	4.70μg/m³ Good	47.91μg/m³ Good	10.94ppb Good	0.54ppb Good	4.66ppb Good	0.39ppm Good
Pittsburgh, Pennsylvania	44 Good	7.81μg/m³ Good	34.17μg/m³ Good	3.12ppb Good	0.89ppb Good	4.15ppb Good	0.27ppm Good
Skippack, Pennsylvania	42 Good	6.25μg/m³ Good	45.24μg/m³ Good	15.53ppb Good	0.55ppb Good	6.91ppb Good	0.40ppm Good
Windsor township, Pennsylvania	44 Good	7.57μg/m³ Good	33.43μg/m³ Good	12.06ppb Good	0.41ppb Good	5.40ppb Good	0.33ppm Good
Antrim, Pennsylvania	38 Good	7.39μg/m³ Good	35.66μg/m³ Good	12.18ppb Good	0.33ppb Good	4.54ppb Good	0.36ppm Good
Rostraver, Pennsylvania	38 Good	7.42μg/m³ Good	32.96μg/m³ Good	6.13ppb Good	0.79ppb Good	4.19ppb Good	0.28ppm Good
Ross township, Pennsylvania	38 Good	7.42μg/m³ Good	32.53μg/m³ Good	4.76ppb Good	0.91ppb Good	4.19ppb Good	0.27ppm Good
Shaler, Pennsylvania	38 Good	7.41μg/m³ Good	32.51μg/m³ Good	4.29ppb Good	0.89ppb Good	4.18ppb Good	0.27ppm Good
Towamencin, Pennsylvania	41 Good	6.10μg/m³ Good	44.11μg/m³ Good	15.85ppb Good	0.55ppb Good	8.11ppb Good	0.40ppm Good
York township, Pennsylvania	38 Good	7.46μg/m³ Good	32.97μg/m³ Good	10.76ppb Good	0.37ppb Good	5.19ppb Good	0.33ppm Good
Baldwin borough, Pennsylvania	38 Good	7.29μg/m³ Good	32.33μg/m³ Good	5.17ppb Good	0.84ppb Good	4.20ppb Good	0.27ppm Good
Elizabeth township, Pennsylvania	38 Good	7.30μg/m³ Good	32.52μg/m³ Good	5.99ppb Good	0.82ppb Good	4.22ppb Good	0.28ppm Good
Jefferson Hills, Pennsylvania	38 Good	7.31μg/m³ Good	32.59μg/m³ Good	5.97ppb Good	0.82ppb Good	4.22ppb Good	0.27ppm Good
McKeesport, Pennsylvania	38 Good	7.24μg/m³ Good	32.25μg/m³ Good	5.83ppb Good	0.82ppb Good	4.22ppb Good	0.27ppm Good
Springettsbury, Pennsylvania	38 Good	7.27μg/m³ Good	32.13μg/m³ Good	10.23ppb Good	0.36ppb Good	5.10ppb Good	0.33ppm Good
Whitehall borough, Pennsylvania	38 Good	7.25μg/m³ Good	31.99μg/m³ Good	6.97ppb Good	0.89ppb Good	4.23ppb Good	0.27ppm Good
Lancaster, Pennsylvania	38 Good	7.16μg/m³ Good	31.80μg/m³ Good	11.93ppb Good	0.53ppb Good	6.29ppb Good	0.32ppm Good
WilkesBarre city, Pennsylvania	39 Good	5.08μg/m³ Good	41.66μg/m³ Good	8.08ppb Good	0.40ppb Good	4.68ppb Good	0.39ppm Good
Ferguson township, Pennsylvania	38 Good	6.91μg/m³ Good	17.85μg/m³ Good	9.90ppb Good	0.28ppb Good	4.53ppb Good	0.34ppm Good
Manheim township, Pennsylvania	38 Good	6.98μg/m³ Good	30.92μg/m³ Good	11.44ppb Good	0.53ppb Good	6.10ppb Good	0.32ppm Good
Moon, Pennsylvania	38 Good	6.87μg/m³ Good	30.80μg/m³ Good	10.28ppb Good	0.98ppb Good	4.34ppb Good	0.27ppm Good
South Park, Pennsylvania	38 Good	6.92μg/m³ Good	26.44μg/m³ Good	5.68ppb Good	0.85ppb Good	4.16ppb Good	0.27ppm Good
West Lampeter, Pennsylvania	38 Good	6.92μg/m³ Good	30.63μg/m³ Good	11.52ppb Good	0.54ppb Good	6.08ppb Good	0.32ppm Good
West Mifflin, Pennsylvania	38 Good	6.93μg/m³ Good	30.87μg/m³ Good	5.88ppb Good	0.83ppb Good	4.20ppb Good	0.27ppm Good
Johnstown, Pennsylvania	38 Good	6.77μg/m³ Good	29.87μg/m³ Good	4.74ppb Good	0.55ppb Good	4.08ppb Good	0.34ppm Good
McCandless, Pennsylvania	38 Good	6.77μg/m³ Good	29.82μg/m³ Good	6.35ppb Good	0.90ppb Good	4.23ppb Good	0.27ppm Good
Monroeville, Pennsylvania	38 Good	6.67μg/m³ Good	29.57μg/m³ Good	6.04ppb Good	0.84ppb Good	4.21ppb Good	0.27ppm Good
Munhall, Pennsylvania	38 Good	6.75μg/m³ Good	29.91μg/m³ Good	5.76ppb Good	0.84ppb Good	4.19ppb Good	0.27ppm Good
Mount Lebanon, Pennsylvania	38 Good	6.78μg/m³ Good	29.80μg/m³ Good	7.86ppb Good	0.91ppb Good	4.24ppb Good	0.27ppm Good
Northampton township, Pennsylvania	38 Good	6.71μg/m³ Good	29.96μg/m³ Good	11.83ppb Good	0.51ppb Good	8.20ppb Good	0.41ppm Good
East Lampeter, Pennsylvania	38 Good	6.57μg/m³ Good	28.90μg/m³ Good	10.73ppb Good	0.53ppb Good	5.67ppb Good	0.33ppm Good
Lower Makefield, Pennsylvania	38 Good	6.62μg/m³ Good	26.02μg/m³ Good	14.37ppb Good	0.49ppb Good	8.33ppb Good	0.40ppm Good
Columbia borough, Pennsylvania	33 Good	6.41μg/m³ Good	27.35μg/m³ Good	11.03ppb Good	0.53ppb Good	4.92ppb Good	0.35ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.29ppm

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

Air quality levels in US

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

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Check live rankings of places in the USA with the cleanest air.

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Frequently asked questions

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

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

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

The worst air quality in Pennsylvania, USA in the last 24 hours was observed at 09:00:00 on 2026-09-06.

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

In the last 24 hrs, the best air quality in Pennsylvania, USA was observed at 03:00:00 on 2026-09-06.

What is the current air quality in Pennsylvania, USA?

The current air quality in Pennsylvania, USA is 33, categorized as Good based on real-time data.

What pollutant is the most common in Pennsylvania, USA?

The most common pollutant in Pennsylvania, USA is PM2.5.

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

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

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

The current PM_2.5 concentration at Pennsylvania, USA is 6.268 μg/m³.

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

The current PM₁₀ concentration at Pennsylvania, USA is 26.906 μg/m³.

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

The current carbon monoxide (CO) concentration at Pennsylvania, USA is 0.352 ppm.

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

The current sulfur dioxide (SO₂) concentration at Pennsylvania, USA is 0.585 ppb.

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

The current ozone (O₃) concentration at Pennsylvania, USA is 10.578 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Pennsylvania, USA is 5.547 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T11:00:00.000Z	27 \| good	5.373 \| good	23.432 \| good	18.535 \| good	0.209 \| good	7.849 \| good	0.222 \| good
2026-09-05T12:00:00.000Z	27 \| good	5.235 \| good	22.991 \| good	18.614 \| good	0.356 \| good	7.963 \| good	0.239 \| good
2026-09-05T13:00:00.000Z	27 \| good	4.809 \| good	21.801 \| good	22.091 \| good	0.354 \| good	8.13 \| good	0.239 \| good
2026-09-05T14:00:00.000Z	24 \| good	4.492 \| good	19.7 \| good	26.411 \| good	0.511 \| good	3.312 \| good	0.24 \| good
2026-09-05T15:00:00.000Z	24 \| good	4.128 \| good	18.701 \| good	26.022 \| good	0.529 \| good	2.437 \| good	0.218 \| good
2026-09-05T16:00:00.000Z	24 \| good	3.777 \| good	16.718 \| good	26.397 \| good	0.492 \| good	2.803 \| good	0.218 \| good
2026-09-05T17:00:00.000Z	27 \| good	3.529 \| good	15.447 \| good	29.158 \| good	0.397 \| good	2.476 \| good	0.218 \| good
2026-09-05T18:00:00.000Z	30 \| good	3.509 \| good	15.627 \| good	31.909 \| good	0.374 \| good	2.089 \| good	0.2 \| good
2026-09-05T19:00:00.000Z	30 \| good	3.36 \| good	15.241 \| good	31.907 \| good	0.396 \| good	1.533 \| good	0.181 \| good
2026-09-05T20:00:00.000Z	29 \| good	3.245 \| good	14.341 \| good	30.674 \| good	0.366 \| good	2.595 \| good	0.178 \| good
2026-09-05T21:00:00.000Z	30 \| good	3.145 \| good	14.277 \| good	31.936 \| good	0.405 \| good	2.666 \| good	0.199 \| good
2026-09-05T22:00:00.000Z	30 \| good	3.131 \| good	14.104 \| good	31.649 \| good	0.369 \| good	3.414 \| good	0.219 \| good
2026-09-05T23:00:00.000Z	27 \| good	2.946 \| good	12.327 \| good	28.945 \| good	0.401 \| good	3.152 \| good	0.238 \| good
2026-09-06T00:00:00.000Z	27 \| good	2.966 \| good	12.314 \| good	28.803 \| good	0.484 \| good	2.196 \| good	0.219 \| good
2026-09-06T01:00:00.000Z	23 \| good	3.067 \| good	12.569 \| good	25.208 \| good	0.468 \| good	2.359 \| good	0.272 \| good
2026-09-06T02:00:00.000Z	20 \| good	3.188 \| good	14.524 \| good	21.621 \| good	0.387 \| good	2.635 \| good	0.313 \| good
2026-09-06T03:00:00.000Z	16 \| good	3.209 \| good	14 \| good	16.505 \| good	0.07 \| good	1.661 \| good	0.162 \| good
2026-09-06T04:00:00.000Z	16 \| good	3.349 \| good	14.888 \| good	16.23 \| good	0.352 \| good	3.528 \| good	0.32 \| good
2026-09-06T05:00:00.000Z	22 \| good	3.54 \| good	16.477 \| good	15.948 \| good	0.31 \| good	3.934 \| good	0.295 \| good
2026-09-06T06:00:00.000Z	16 \| good	3.429 \| good	15.766 \| good	13.437 \| good	0.224 \| good	3.507 \| good	0.296 \| good
2026-09-06T07:00:00.000Z	16 \| good	3.422 \| good	15.568 \| good	9.665 \| good	0.221 \| good	3.747 \| good	0.347 \| good
2026-09-06T08:00:00.000Z	22 \| good	3.564 \| good	15.929 \| good	9.892 \| good	0.222 \| good	4.876 \| good	0.312 \| good
2026-09-06T09:00:00.000Z	22 \| good	3.581 \| good	16.094 \| good	9.242 \| good	0.328 \| good	4.303 \| good	0.294 \| good
2026-09-06T10:00:00.000Z	22 \| good	3.637 \| good	16.482 \| good	6.848 \| good	0.369 \| good	4.189 \| good	0.276 \| good
2026-09-06T11:00:00.000Z	22 \| good	3.591 \| good	16.418 \| good	10.866 \| good	0.222 \| good	4.459 \| good	0.259 \| good
2026-09-06T12:00:00.000Z	22 \| good	3.573 \| good	16.237 \| good	9.87 \| good	0.381 \| good	4.679 \| good	0.293 \| good
2026-09-06T13:00:00.000Z	22 \| good	4.242 \| good	17.78 \| good	11.832 \| good	0.384 \| good	4.229 \| good	0.275 \| good
2026-09-06T14:00:00.000Z	18 \| good	2.839 \| good	11.796 \| good	19.276 \| good	0.204 \| good	2.438 \| good	0.24 \| good
2026-09-06T15:00:00.000Z	18 \| good	2.844 \| good	11.785 \| good	18.512 \| good	0.243 \| good	1.653 \| good	0.239 \| good
2026-09-06T16:00:00.000Z	19 \| good	2.829 \| good	11.829 \| good	19.743 \| good	0.294 \| good	1.366 \| good	0.239 \| good
2026-09-06T17:00:00.000Z	20 \| good	2.831 \| good	11.788 \| good	22.157 \| good	0.275 \| good	1.447 \| good	0.202 \| good
2026-09-06T18:00:00.000Z	22 \| good	2.776 \| good	11.558 \| good	24.131 \| good	0.346 \| good	1.096 \| good	0.219 \| good
2026-09-06T19:00:00.000Z	25 \| good	2.674 \| good	11.744 \| good	26.75 \| good	0.238 \| good	1.284 \| good	0.183 \| good
2026-09-06T20:00:00.000Z	26 \| good	2.283 \| good	9.605 \| good	27.648 \| good	0.369 \| good	1.33 \| good	0.201 \| good
2026-09-06T21:00:00.000Z	26 \| good	2.251 \| good	9.371 \| good	27.579 \| good	0.388 \| good	2.062 \| good	0.201 \| good
2026-09-06T22:00:00.000Z	25 \| good	2.241 \| good	9.397 \| good	26.885 \| good	0.326 \| good	3.101 \| good	0.182 \| good
2026-09-06T23:00:00.000Z	23 \| good	2.255 \| good	9.46 \| good	24.967 \| good	0.412 \| good	2.806 \| good	0.218 \| good
2026-09-07T00:00:00.000Z	21 \| good	2.354 \| good	10.28 \| good	23.488 \| good	0.35 \| good	2.387 \| good	0.236 \| good
2026-09-07T01:00:00.000Z	19 \| good	2.571 \| good	10.727 \| good	20.793 \| good	0.327 \| good	2.962 \| good	0.255 \| good
2026-09-07T02:00:00.000Z	20 \| good	2.988 \| good	12.697 \| good	22.086 \| good	0.388 \| good	5.214 \| good	0.311 \| good
2026-09-07T03:00:00.000Z	19 \| good	2.622 \| good	10.942 \| good	20.167 \| good	0.1 \| good	1.803 \| good	0.145 \| good
2026-09-07T04:00:00.000Z	22 \| good	3.791 \| good	17.389 \| good	15.657 \| good	0.519 \| good	6.203 \| good	0.389 \| good
2026-09-07T05:00:00.000Z	22 \| good	3.661 \| good	16.647 \| good	14.466 \| good	0.461 \| good	6.179 \| good	0.371 \| good
2026-09-07T06:00:00.000Z	22 \| good	3.835 \| good	18.114 \| good	14.195 \| good	0.421 \| good	6.848 \| good	0.372 \| good
2026-09-07T07:00:00.000Z	22 \| good	3.755 \| good	17.057 \| good	13.533 \| good	0.384 \| good	6.835 \| good	0.371 \| good
2026-09-07T08:00:00.000Z	22 \| good	3.737 \| good	15.584 \| good	14.513 \| good	0.346 \| good	5.435 \| good	0.351 \| good
2026-09-07T09:00:00.000Z	22 \| good	3.58 \| good	15.826 \| good	11.492 \| good	0.327 \| good	4.848 \| good	0.352 \| good
2026-09-07T10:00:00.000Z	33 \| good	5.748 \| good	24.992 \| good	10.033 \| good	0.563 \| good	6.326 \| good	0.357 \| good
2026-09-07T11:00:00.000Z	11 \| good	2.384 \| good	9.915 \| good	9.404 \| good	0.151 \| good	5.056 \| good	0.181 \| good
2026-09-07T12:00:00.000Z	12 \| good	1.825 \| good	7.87 \| good	12.893 \| good	0.14 \| good	3.41 \| good	0.182 \| good
2026-09-07T13:00:00.000Z	16 \| good	1.22 \| good	4.967 \| good	17.236 \| good	0.159 \| good	1.821 \| good	0.17 \| good
2026-09-07T14:00:00.000Z	22 \| good	0.549 \| good	2.071 \| good	24.366 \| good	0.191 \| good	0.667 \| good	0.15 \| good
2026-09-07T15:00:00.000Z	26 \| good	0.239 \| good	0.909 \| good	28.214 \| good	0.176 \| good	0.365 \| good	0.146 \| good
2026-09-07T16:00:00.000Z	30 \| good	0.231 \| good	0.826 \| good	31.738 \| good	0.15 \| good	0.265 \| good	0.143 \| good
2026-09-07T17:00:00.000Z	31 \| good	0.232 \| good	0.807 \| good	33.66 \| good	0.135 \| good	0.225 \| good	0.142 \| good
2026-09-07T18:00:00.000Z	32 \| good	0.238 \| good	0.802 \| good	34.931 \| good	0.126 \| good	0.213 \| good	0.142 \| good
2026-09-07T19:00:00.000Z	31 \| good	0.286 \| good	0.826 \| good	34.439 \| good	0.121 \| good	0.216 \| good	0.141 \| good
2026-09-07T20:00:00.000Z	31 \| good	0.886 \| good	3.129 \| good	32.803 \| good	0.118 \| good	0.232 \| good	0.141 \| good
2026-09-07T21:00:00.000Z	30 \| good	1.6 \| good	6.87 \| good	31.716 \| good	0.117 \| good	0.277 \| good	0.141 \| good
2026-09-07T22:00:00.000Z	29 \| good	1.982 \| good	7.948 \| good	30.704 \| good	0.117 \| good	0.419 \| good	0.142 \| good
2026-09-07T23:00:00.000Z	23 \| good	1.757 \| good	7.107 \| good	25.381 \| good	0.105 \| good	2.718 \| good	0.169 \| good
2026-09-08T00:00:00.000Z	20 \| good	2.745 \| good	11.583 \| good	22.403 \| good	0.137 \| good	5.591 \| good	0.197 \| good
2026-09-08T01:00:00.000Z	20 \| good	3.097 \| good	13.357 \| good	21.511 \| good	0.168 \| good	7.559 \| good	0.217 \| good
2026-09-08T02:00:00.000Z	19 \| good	2.88 \| good	11.901 \| good	20.784 \| good	0.188 \| good	8.555 \| good	0.228 \| good
2026-09-08T03:00:00.000Z	21 \| good	3.222 \| good	13.854 \| good	23.271 \| good	0.2 \| good	9.099 \| good	0.235 \| good
2026-09-08T04:00:00.000Z	21 \| good	1.578 \| good	6.296 \| good	22.56 \| good	0.2 \| good	9.272 \| good	0.24 \| good
2026-09-08T05:00:00.000Z	20 \| good	1.558 \| good	6.129 \| good	21.954 \| good	0.189 \| good	9.042 \| good	0.24 \| good
2026-09-08T06:00:00.000Z	19 \| good	1.376 \| good	5.154 \| good	20.618 \| good	0.18 \| good	8.759 \| good	0.239 \| good
2026-09-08T07:00:00.000Z	18 \| good	1.63 \| good	6.915 \| good	19.214 \| good	0.177 \| good	8.52 \| good	0.237 \| good
2026-09-08T08:00:00.000Z	17 \| good	1.551 \| good	6.133 \| good	17.991 \| good	0.178 \| good	8.356 \| good	0.235 \| good
2026-09-08T09:00:00.000Z	12 \| good	1.075 \| good	4.18 \| good	13.111 \| good	0.181 \| good	8.266 \| good	0.234 \| good
2026-09-08T10:00:00.000Z	10 \| good	0.383 \| good	1.125 \| good	11.273 \| good	0.187 \| good	8.175 \| good	0.232 \| good
2026-09-08T11:00:00.000Z	10 \| good	0.381 \| good	1.104 \| good	10.671 \| good	0.2 \| good	7.873 \| good	0.233 \| good
2026-09-08T12:00:00.000Z	11 \| good	0.401 \| good	1.748 \| good	11.92 \| good	0.219 \| good	6.931 \| good	0.244 \| good
2026-09-08T13:00:00.000Z	14 \| good	0.413 \| good	1.774 \| good	14.612 \| good	0.219 \| good	2.65 \| good	0.201 \| good
2026-09-08T14:00:00.000Z	19 \| good	0.385 \| good	1.175 \| good	20.56 \| good	0.235 \| good	1.039 \| good	0.167 \| good
2026-09-08T15:00:00.000Z	24 \| good	0.323 \| good	1.1 \| good	26.018 \| good	0.252 \| good	0.513 \| good	0.157 \| good
2026-09-08T16:00:00.000Z	28 \| good	0.293 \| good	0.884 \| good	30.275 \| good	0.257 \| good	0.349 \| good	0.155 \| good
2026-09-08T17:00:00.000Z	30 \| good	0.286 \| good	0.91 \| good	31.894 \| good	0.317 \| good	0.297 \| good	0.158 \| good
2026-09-08T18:00:00.000Z	31 \| good	0.126 \| good	0.045 \| good	34.219 \| good	0.38 \| good	0.294 \| good	0.161 \| good
2026-09-08T19:00:00.000Z	32 \| good	0.529 \| good	2 \| good	34.68 \| good	0.409 \| good	0.318 \| good	0.163 \| good
2026-09-08T20:00:00.000Z	30 \| good	0.977 \| good	3.974 \| good	32.136 \| good	0.427 \| good	0.343 \| good	0.166 \| good
2026-09-08T21:00:00.000Z	28 \| good	0.884 \| good	3.251 \| good	30.468 \| good	0.443 \| good	0.411 \| good	0.168 \| good
2026-09-08T22:00:00.000Z	29 \| good	2.368 \| good	9.776 \| good	31.32 \| good	0.426 \| good	0.902 \| good	0.176 \| good
2026-09-08T23:00:00.000Z	21 \| good	0.864 \| good	3.321 \| good	23.452 \| good	0.352 \| good	3.206 \| good	0.207 \| good
2026-09-09T00:00:00.000Z	15 \| good	1.113 \| good	4.775 \| good	16.34 \| good	0.378 \| good	5.322 \| good	0.23 \| good
2026-09-09T01:00:00.000Z	14 \| good	1.48 \| good	5.968 \| good	15.227 \| good	0.397 \| good	6.453 \| good	0.245 \| good
2026-09-09T02:00:00.000Z	15 \| good	1.448 \| good	5.759 \| good	16.46 \| good	0.414 \| good	6.906 \| good	0.253 \| good
2026-09-09T03:00:00.000Z	19 \| good	0.46 \| good	1.864 \| good	19.968 \| good	0.432 \| good	7.25 \| good	0.259 \| good
2026-09-09T04:00:00.000Z	22 \| good	0.519 \| good	1.987 \| good	23.705 \| good	0.449 \| good	7.516 \| good	0.264 \| good
2026-09-09T05:00:00.000Z	24 \| good	0.601 \| good	1.974 \| good	25.656 \| good	0.473 \| good	7.25 \| good	0.264 \| good
2026-09-09T06:00:00.000Z	23 \| good	0.878 \| good	3.297 \| good	24.872 \| good	0.522 \| good	6.729 \| good	0.26 \| good
2026-09-09T07:00:00.000Z	21 \| good	0.603 \| good	2.185 \| good	22.59 \| good	0.584 \| good	6.469 \| good	0.259 \| good
2026-09-09T08:00:00.000Z	18 \| good	0.81 \| good	3.196 \| good	19.236 \| good	0.642 \| good	6.615 \| good	0.263 \| good
2026-09-09T09:00:00.000Z	19 \| good	2.159 \| good	8.649 \| good	20.298 \| good	0.691 \| good	6.97 \| good	0.27 \| good
2026-09-09T10:00:00.000Z	16 \| good	3.072 \| good	12.812 \| good	15.557 \| good	0.735 \| good	7.373 \| good	0.277 \| good

Pennsylvania, USA live air quality index now

Major air pollutants in Pennsylvania, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in cities of Pennsylvania, USA

Air quality in nearby states

Maryland, USA

New Jersey, USA

New York, USA

Delaware, USA

Connecticut, USA

West Virginia, USA

How accurate is Pennsylvania, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the current air quality in Pennsylvania, USA?

What pollutant is the most common in Pennsylvania, USA?

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

What is the current concentration of PM2.5 in Pennsylvania, USA?

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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