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

The current PM10 concentration at Pennsylvania, USA is 25.573 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Pennsylvania, USA is 1.039 ppb.

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

The current ozone (O3) concentration at Pennsylvania, USA is 35.921 ppm.

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

The current nitrogen dioxide (NO2) concentration at Pennsylvania, USA is 6.154 ppb.

Live air quality index in Pennsylvania, USA today

Name: Live air pollution levels in Pennsylvania, USA today
Creator: Ambee

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)

4.64 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.87 μg/m³

155

255

425

605+

Ozone (O₃)

30.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.77 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.95 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 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
2025-06-30T03:00:00.000Z	33 \| good	6.16 \| good	27.801 \| good	28.905 \| good	0.294 \| good	7.656 \| good	0.296 \| good
2025-06-30T04:00:00.000Z	33 \| good	6.248 \| good	27.684 \| good	27.848 \| good	0.22 \| good	6.275 \| good	0.407 \| good
2025-06-30T05:00:00.000Z	33 \| good	6.351 \| good	27.95 \| good	21.941 \| good	0.238 \| good	8.125 \| good	0.429 \| good
2025-06-30T06:00:00.000Z	33 \| good	6.352 \| good	28.235 \| good	17.038 \| good	0.239 \| good	13.253 \| good	0.368 \| good
2025-06-30T07:00:00.000Z	33 \| good	6.449 \| good	28.993 \| good	16.986 \| good	0.245 \| good	13.903 \| good	0.37 \| good
2025-06-30T08:00:00.000Z	38 \| good	6.53 \| good	29.209 \| good	9.662 \| good	0.244 \| good	13.714 \| good	0.37 \| good
2025-06-30T09:00:00.000Z	38 \| good	6.555 \| good	29.597 \| good	14.135 \| good	0.281 \| good	13.63 \| good	0.408 \| good
2025-06-30T10:00:00.000Z	38 \| good	6.519 \| good	28.928 \| good	10.712 \| good	0.261 \| good	10.936 \| good	0.343 \| good
2025-06-30T11:00:00.000Z	38 \| good	6.541 \| good	29.081 \| good	11.614 \| good	0.281 \| good	8.431 \| good	0.331 \| good
2025-06-30T12:00:00.000Z	38 \| good	6.642 \| good	29.307 \| good	14.569 \| good	0.286 \| good	7.287 \| good	0.412 \| good
2025-06-30T13:00:00.000Z	38 \| good	6.712 \| good	29.997 \| good	15.562 \| good	0.276 \| good	5.063 \| good	0.351 \| good
2025-06-30T14:00:00.000Z	38 \| good	6.692 \| good	30.385 \| good	19.174 \| good	0.221 \| good	6.076 \| good	0.35 \| good
2025-06-30T15:00:00.000Z	38 \| good	6.697 \| good	30.239 \| good	24.768 \| good	0.222 \| good	7.305 \| good	0.289 \| good
2025-06-30T16:00:00.000Z	38 \| good	6.809 \| good	30.341 \| good	26.664 \| good	0.236 \| good	5.549 \| good	0.292 \| good
2025-06-30T17:00:00.000Z	38 \| good	6.788 \| good	29.989 \| good	38.655 \| good	0.291 \| good	4.268 \| good	0.228 \| good
2025-06-30T18:00:00.000Z	38 \| good	6.982 \| good	30.235 \| good	41.261 \| good	0.375 \| good	3.702 \| good	0.227 \| good
2025-06-30T19:00:00.000Z	38 \| good	7.219 \| good	32.186 \| good	39.432 \| good	0.418 \| good	4.076 \| good	0.245 \| good
2025-06-30T20:00:00.000Z	39 \| good	7.316 \| good	32.59 \| good	42.042 \| good	0.433 \| good	3.542 \| good	0.243 \| good
2025-06-30T21:00:00.000Z	40 \| good	7.39 \| good	32.391 \| good	43.036 \| good	0.349 \| good	3.448 \| good	0.243 \| good
2025-06-30T22:00:00.000Z	40 \| good	7.399 \| good	32.271 \| good	43.486 \| good	0.426 \| good	1.944 \| good	0.247 \| good
2025-06-30T23:00:00.000Z	44 \| good	7.529 \| good	33.603 \| good	42.069 \| good	0.406 \| good	1.94 \| good	0.27 \| good
2025-07-01T00:00:00.000Z	38 \| good	7.381 \| good	32.784 \| good	37.93 \| good	0.408 \| good	1.651 \| good	0.287 \| good
2025-07-01T01:00:00.000Z	38 \| good	7.247 \| good	32.383 \| good	35.395 \| good	0.406 \| good	2.597 \| good	0.306 \| good
2025-07-01T02:00:00.000Z	38 \| good	6.533 \| good	29.125 \| good	35.015 \| good	0.336 \| good	1.989 \| good	0.301 \| good
2025-07-01T03:00:00.000Z	33 \| good	5.941 \| good	26.92 \| good	32.438 \| good	0.318 \| good	2.624 \| good	0.301 \| good
2025-07-01T04:00:00.000Z	33 \| good	5.776 \| good	26.543 \| good	33.374 \| good	0.298 \| good	2.481 \| good	0.301 \| good
2025-07-01T05:00:00.000Z	33 \| good	5.544 \| good	24.349 \| good	28.948 \| good	0.319 \| good	1.928 \| good	0.261 \| good
2025-07-01T06:00:00.000Z	33 \| good	5.523 \| good	24.388 \| good	29.457 \| good	0.331 \| good	1.839 \| good	0.26 \| good
2025-07-01T07:00:00.000Z	33 \| good	5.558 \| good	24.232 \| good	33.379 \| good	0.508 \| good	1.883 \| good	0.219 \| good
2025-07-01T08:00:00.000Z	33 \| good	5.558 \| good	24.652 \| good	27.927 \| good	0.489 \| good	3.162 \| good	0.201 \| good
2025-07-01T09:00:00.000Z	27 \| good	5.005 \| good	23.547 \| good	24.493 \| good	0.506 \| good	2.377 \| good	0.276 \| good
2025-07-01T10:00:00.000Z	33 \| good	5.908 \| good	28.071 \| good	21.232 \| good	0.463 \| good	2.824 \| good	0.298 \| good
2025-07-01T11:00:00.000Z	27 \| good	5.181 \| good	23.234 \| good	19.347 \| good	0.356 \| good	5.499 \| good	0.317 \| good
2025-07-01T12:00:00.000Z	38 \| good	6.574 \| good	28.852 \| good	22.945 \| good	0.33 \| good	4.674 \| good	0.316 \| good
2025-07-01T13:00:00.000Z	38 \| good	6.525 \| good	30.154 \| good	25.117 \| good	0.289 \| good	4.51 \| good	0.316 \| good
2025-07-01T14:00:00.000Z	33 \| good	6.161 \| good	33.118 \| good	28.165 \| good	0.2 \| good	4.368 \| good	0.297 \| good
2025-07-01T15:00:00.000Z	33 \| good	6.396 \| good	28.28 \| good	29.675 \| good	0.334 \| good	4.461 \| good	0.335 \| good
2025-07-01T16:00:00.000Z	34 \| good	6.147 \| good	37.062 \| good	31.911 \| good	0.257 \| good	4.541 \| good	0.295 \| good
2025-07-01T17:00:00.000Z	38 \| good	6.784 \| good	31.914 \| good	33.574 \| good	0.405 \| good	3.842 \| good	0.336 \| good
2025-07-01T18:00:00.000Z	38 \| good	7.365 \| good	29.803 \| good	38.341 \| good	0.238 \| good	3.427 \| good	0.315 \| good
2025-07-01T19:00:00.000Z	38 \| good	7.15 \| good	33.758 \| good	41.003 \| good	0.258 \| good	4.202 \| good	0.317 \| good
2025-07-01T20:00:00.000Z	36 \| good	5.193 \| good	20.047 \| good	38.815 \| good	0.333 \| good	1.588 \| good	0.315 \| good
2025-07-01T21:00:00.000Z	31 \| good	4.688 \| good	18.017 \| good	34.242 \| good	0.294 \| good	2.498 \| good	0.257 \| good
2025-07-01T22:00:00.000Z	31 \| good	5.006 \| good	24.5 \| good	33.034 \| good	0.317 \| good	1.555 \| good	0.353 \| good
2025-07-01T23:00:00.000Z	32 \| good	3.649 \| good	15.883 \| good	35.229 \| good	0.319 \| good	1.484 \| good	0.334 \| good
2025-07-02T00:00:00.000Z	31 \| good	4.572 \| good	20.903 \| good	32.75 \| good	0.339 \| good	5.833 \| good	0.315 \| good
2025-07-02T01:00:00.000Z	27 \| good	4.15 \| good	16.281 \| good	28.948 \| good	0.276 \| good	5.452 \| good	0.298 \| good
2025-07-02T02:00:00.000Z	29 \| good	4.641 \| good	19.868 \| good	30.863 \| good	0.765 \| good	6.949 \| good	0.309 \| good
2025-07-01T23:00:00.000Z	20 \| good	3.489 \| good	15.276 \| good	21.931 \| good	0.07 \| good	2.202 \| good	0.163 \| good
2025-07-02T00:00:00.000Z	27 \| good	3.601 \| good	15.955 \| good	28.609 \| good	0.079 \| good	2.916 \| good	0.17 \| good
2025-07-02T01:00:00.000Z	27 \| good	5.222 \| good	22.882 \| good	23.898 \| good	0.097 \| good	4.194 \| good	0.184 \| good
2025-07-02T02:00:00.000Z	27 \| good	5.264 \| good	22.953 \| good	20.901 \| good	0.116 \| good	5.472 \| good	0.199 \| good
2025-07-02T03:00:00.000Z	33 \| good	5.965 \| good	26.807 \| good	17.122 \| good	0.134 \| good	6.75 \| good	0.213 \| good
2025-07-02T04:00:00.000Z	33 \| good	6.009 \| good	26.854 \| good	17.246 \| good	0.131 \| good	6.243 \| good	0.211 \| good
2025-07-02T05:00:00.000Z	33 \| good	5.889 \| good	26.149 \| good	16.391 \| good	0.127 \| good	5.736 \| good	0.208 \| good
2025-07-02T06:00:00.000Z	27 \| good	5.043 \| good	21.955 \| good	15.534 \| good	0.123 \| good	5.229 \| good	0.206 \| good
2025-07-02T07:00:00.000Z	27 \| good	5.361 \| good	23 \| good	12.743 \| good	0.171 \| good	4.63 \| good	0.198 \| good
2025-07-02T08:00:00.000Z	27 \| good	4.643 \| good	20.194 \| good	9.84 \| good	0.219 \| good	4.03 \| good	0.191 \| good
2025-07-02T09:00:00.000Z	22 \| good	4.384 \| good	19.097 \| good	8.399 \| good	0.266 \| good	3.431 \| good	0.183 \| good
2025-07-02T10:00:00.000Z	27 \| good	4.966 \| good	21.123 \| good	9.884 \| good	0.349 \| good	2.77 \| good	0.179 \| good
2025-07-02T11:00:00.000Z	27 \| good	4.956 \| good	21.07 \| good	13.054 \| good	0.431 \| good	2.109 \| good	0.175 \| good
2025-07-02T12:00:00.000Z	22 \| good	4.372 \| good	19.047 \| good	18.177 \| good	0.514 \| good	1.449 \| good	0.171 \| good
2025-07-02T13:00:00.000Z	22 \| good	2.626 \| good	10.462 \| good	23.612 \| good	0.448 \| good	1.167 \| good	0.165 \| good
2025-07-02T14:00:00.000Z	29 \| good	1.41 \| good	5.468 \| good	31.171 \| good	0.381 \| good	0.886 \| good	0.159 \| good
2025-07-02T15:00:00.000Z	30 \| good	1.055 \| good	4.326 \| good	31.531 \| good	0.315 \| good	0.604 \| good	0.153 \| good
2025-07-02T16:00:00.000Z	31 \| good	0.231 \| good	0.491 \| good	33.538 \| good	0.258 \| good	0.518 \| good	0.15 \| good
2025-07-02T17:00:00.000Z	32 \| good	1.765 \| good	7.506 \| good	34.915 \| good	0.201 \| good	0.431 \| good	0.147 \| good
2025-07-02T18:00:00.000Z	32 \| good	2.019 \| good	8.412 \| good	34.673 \| good	0.144 \| good	0.345 \| good	0.143 \| good
2025-07-02T19:00:00.000Z	33 \| good	2.599 \| good	10.538 \| good	36.159 \| good	0.133 \| good	0.37 \| good	0.146 \| good
2025-07-02T20:00:00.000Z	35 \| good	3.266 \| good	14.375 \| good	38.318 \| good	0.122 \| good	0.395 \| good	0.15 \| good
2025-07-02T21:00:00.000Z	35 \| good	2.315 \| good	9.783 \| good	38.152 \| good	0.111 \| good	0.42 \| good	0.153 \| good
2025-07-02T22:00:00.000Z	35 \| good	4.361 \| good	19.08 \| good	37.874 \| good	0.112 \| good	1.059 \| good	0.163 \| good
2025-07-02T23:00:00.000Z	27 \| good	4.976 \| good	21.322 \| good	29.288 \| good	0.113 \| good	1.698 \| good	0.174 \| good
2025-07-03T00:00:00.000Z	24 \| good	4.276 \| good	18.896 \| good	25.68 \| good	0.115 \| good	2.336 \| good	0.185 \| good
2025-07-03T01:00:00.000Z	33 \| good	5.754 \| good	24.918 \| good	22.274 \| good	0.131 \| good	3.348 \| good	0.199 \| good
2025-07-03T02:00:00.000Z	44 \| good	7.516 \| good	32.841 \| good	20.393 \| good	0.148 \| good	4.36 \| good	0.212 \| good
2025-07-03T03:00:00.000Z	38 \| good	7.421 \| good	32.652 \| good	17.865 \| good	0.165 \| good	5.372 \| good	0.225 \| good
2025-07-03T04:00:00.000Z	33 \| good	5.584 \| good	23.904 \| good	15.671 \| good	0.171 \| good	6.136 \| good	0.237 \| good
2025-07-03T05:00:00.000Z	22 \| good	3.773 \| good	16.224 \| good	14.097 \| good	0.178 \| good	6.9 \| good	0.249 \| good
2025-07-03T06:00:00.000Z	11 \| good	1.899 \| good	8.11 \| good	12.241 \| good	0.184 \| good	7.664 \| good	0.26 \| good
2025-07-03T07:00:00.000Z	16 \| good	2.917 \| good	12.27 \| good	10.495 \| good	0.187 \| good	7.839 \| good	0.265 \| good
2025-07-03T08:00:00.000Z	16 \| good	3.053 \| good	12.457 \| good	9.187 \| good	0.19 \| good	8.014 \| good	0.269 \| good
2025-07-03T09:00:00.000Z	22 \| good	3.839 \| good	16.953 \| good	7.293 \| good	0.193 \| good	8.189 \| good	0.274 \| good
2025-07-03T10:00:00.000Z	16 \| good	3.363 \| good	14.953 \| good	6.535 \| good	0.198 \| good	6.134 \| good	0.261 \| good
2025-07-03T11:00:00.000Z	16 \| good	2.891 \| good	11.983 \| good	9.6 \| good	0.204 \| good	4.08 \| good	0.249 \| good
2025-07-03T12:00:00.000Z	16 \| good	2.594 \| good	10.272 \| good	14.562 \| good	0.21 \| good	2.026 \| good	0.237 \| good
2025-07-03T13:00:00.000Z	23 \| good	3.546 \| good	15.969 \| good	24.592 \| good	0.334 \| good	1.541 \| good	0.217 \| good
2025-07-03T14:00:00.000Z	30 \| good	5.276 \| good	22.977 \| good	31.936 \| good	0.458 \| good	1.056 \| good	0.197 \| good
2025-07-03T15:00:00.000Z	38 \| good	6.578 \| good	29.266 \| good	35.961 \| good	0.583 \| good	0.572 \| good	0.177 \| good
2025-07-03T16:00:00.000Z	35 \| good	5.482 \| good	23.323 \| good	37.679 \| good	0.534 \| good	0.509 \| good	0.174 \| good
2025-07-03T17:00:00.000Z	34 \| good	4.019 \| good	17.396 \| good	37.163 \| good	0.484 \| good	0.447 \| good	0.17 \| good
2025-07-03T18:00:00.000Z	30 \| good	2.746 \| good	11.34 \| good	31.994 \| good	0.435 \| good	0.385 \| good	0.167 \| good
2025-07-03T19:00:00.000Z	31 \| good	1.083 \| good	4.289 \| good	33.399 \| good	0.344 \| good	0.458 \| good	0.157 \| good
2025-07-03T20:00:00.000Z	34 \| good	0.792 \| good	3.185 \| good	36.678 \| good	0.253 \| good	0.531 \| good	0.147 \| good
2025-07-03T21:00:00.000Z	34 \| good	1.12 \| good	4.372 \| good	37.125 \| good	0.162 \| good	0.604 \| good	0.137 \| good
2025-07-03T22:00:00.000Z	36 \| good	2.768 \| good	11.104 \| good	38.798 \| good	0.156 \| good	0.835 \| good	0.14 \| good

Pennsylvania

Get reliable air quality data to drive your business

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
Philadelphia, Pennsylvania	52 Moderate	9.62μg/m³ Good	41.55μg/m³ Good	33.95ppb Good	1.03ppb Good	11.11ppb Good	0.39ppm Good
Spring Garden, Pennsylvania	52 Moderate	9.62μg/m³ Good	41.75μg/m³ Good	34.17ppb Good	1.03ppb Good	11.33ppb Good	0.40ppm Good
Wilkinsburg, Pennsylvania	49 Good	9.40μg/m³ Good	42.00μg/m³ Good	33.58ppb Good	0.98ppb Good	2.89ppb Good	0.17ppm Good
Lower Burrell, Pennsylvania	49 Good	9.03μg/m³ Good	40.67μg/m³ Good	37.72ppb Good	0.98ppb Good	2.06ppb Good	0.16ppm Good
New Kensington, Pennsylvania	49 Good	9.01μg/m³ Good	40.55μg/m³ Good	37.09ppb Good	0.98ppb Good	2.22ppb Good	0.16ppm Good
Cheltenham, Pennsylvania	49 Good	8.69μg/m³ Good	21.59μg/m³ Good	30.77ppb Good	0.86ppb Good	13.80ppb Good	0.39ppm Good
Darby borough, Pennsylvania	49 Good	8.82μg/m³ Good	38.13μg/m³ Good	33.96ppb Good	1.09ppb Good	10.63ppb Good	0.43ppm Good
Dingman, Pennsylvania	49 Good	8.69μg/m³ Good	29.19μg/m³ Good	37.55ppb Good	2.32ppb Good	2.90ppb Good	0.47ppm Good
Yeadon, Pennsylvania	49 Good	8.75μg/m³ Good	37.54μg/m³ Good	33.88ppb Good	1.09ppb Good	10.84ppb Good	0.46ppm Good
Lansdowne, Pennsylvania	49 Good	8.75μg/m³ Good	37.54μg/m³ Good	33.88ppb Good	1.09ppb Good	10.84ppb Good	0.46ppm Good
Monroeville, Pennsylvania	49 Good	8.75μg/m³ Good	39.25μg/m³ Good	34.66ppb Good	0.97ppb Good	2.89ppb Good	0.17ppm Good
Munhall, Pennsylvania	49 Good	8.82μg/m³ Good	39.56μg/m³ Good	34.84ppb Good	0.98ppb Good	2.89ppb Good	0.17ppm Good
Lehman township, Pennsylvania	49 Good	8.57μg/m³ Good	29.26μg/m³ Good	31.11ppb Good	2.19ppb Good	3.14ppb Good	0.47ppm Good
McCandless, Pennsylvania	49 Good	8.59μg/m³ Good	29.83μg/m³ Good	34.86ppb Good	1.01ppb Good	2.43ppb Good	0.12ppm Good
West Mifflin, Pennsylvania	44 Good	8.39μg/m³ Good	37.60μg/m³ Good	34.78ppb Good	0.97ppb Good	2.91ppb Good	0.17ppm Good
Chestnuthill, Pennsylvania	44 Good	7.97μg/m³ Good	24.74μg/m³ Good	31.04ppb Good	1.83ppb Good	4.07ppb Good	0.42ppm Good
Forks township, Pennsylvania	44 Good	7.97μg/m³ Good	24.74μg/m³ Good	31.04ppb Good	1.83ppb Good	4.07ppb Good	0.42ppm Good
Easton, Pennsylvania	44 Good	8.05μg/m³ Good	28.07μg/m³ Good	31.52ppb Good	1.81ppb Good	3.98ppb Good	0.42ppm Good
Middle Smithfield, Pennsylvania	44 Good	7.99μg/m³ Good	31.25μg/m³ Good	34.44ppb Good	2.09ppb Good	3.11ppb Good	0.54ppm Good
Bristol township, Pennsylvania	44 Good	7.84μg/m³ Good	27.49μg/m³ Good	34.92ppb Good	1.37ppb Good	10.85ppb Good	0.42ppm Good
Coolbaugh, Pennsylvania	44 Good	7.90μg/m³ Good	25.59μg/m³ Good	32.54ppb Good	1.96ppb Good	3.06ppb Good	0.42ppm Good
Bethlehem, Pennsylvania	43 Good	5.44μg/m³ Good	23.20μg/m³ Good	45.54ppb Good	1.69ppb Good	4.22ppb Good	0.42ppm Good
Adams township, Pennsylvania	42 Good	6.10μg/m³ Good	23.72μg/m³ Good	45.02ppb Good	1.09ppb Good	2.10ppb Good	0.12ppm Good
Baldwin borough, Pennsylvania	44 Good	7.66μg/m³ Good	34.39μg/m³ Good	33.81ppb Good	0.97ppb Good	2.88ppb Good	0.17ppm Good
Erie, Pennsylvania	42 Good	5.04μg/m³ Good	22.15μg/m³ Good	45.12ppb Good	0.82ppb Good	1.86ppb Good	0.14ppm Good
Harborcreek, Pennsylvania	42 Good	5.16μg/m³ Good	22.38μg/m³ Good	45.35ppb Good	0.83ppb Good	1.86ppb Good	0.14ppm Good
Hamilton township, Pennsylvania	44 Good	7.59μg/m³ Good	33.27μg/m³ Good	27.89ppb Good	1.89ppb Good	3.08ppb Good	0.42ppm Good
Lower Saucon, Pennsylvania	42 Good	5.42μg/m³ Good	23.17μg/m³ Good	45.45ppb Good	1.69ppb Good	4.25ppb Good	0.42ppm Good
McKeesport, Pennsylvania	44 Good	7.58μg/m³ Good	33.86μg/m³ Good	33.95ppb Good	0.97ppb Good	2.91ppb Good	0.17ppm Good
Millcreek township, Pennsylvania	42 Good	5.09μg/m³ Good	20.49μg/m³ Good	44.97ppb Good	0.86ppb Good	1.84ppb Good	0.14ppm Good
New Castle city, Pennsylvania	42 Good	5.07μg/m³ Good	19.94μg/m³ Good	45.10ppb Good	1.42ppb Good	2.31ppb Good	0.12ppm Good
Upper Darby, Pennsylvania	44 Good	7.57μg/m³ Good	32.28μg/m³ Good	33.60ppb Good	1.13ppb Good	11.35ppb Good	0.50ppm Good
West Deer, Pennsylvania	44 Good	7.60μg/m³ Good	18.57μg/m³ Good	34.10ppb Good	1.02ppb Good	2.04ppb Good	0.12ppm Good
Warwick township, Pennsylvania	44 Good	7.69μg/m³ Good	33.73μg/m³ Good	34.42ppb Good	1.41ppb Good	9.62ppb Good	0.41ppm Good
Allentown, Pennsylvania	41 Good	5.58μg/m³ Good	23.93μg/m³ Good	44.00ppb Good	1.68ppb Good	4.28ppb Good	0.42ppm Good
Dunmore, Pennsylvania	44 Good	7.53μg/m³ Good	31.97μg/m³ Good	15.62ppb Good	1.79ppb Good	1.29ppb Good	0.42ppm Good
Lancaster, Pennsylvania	42 Good	4.09μg/m³ Good	17.99μg/m³ Good	44.75ppb Good	1.14ppb Good	4.13ppb Good	0.29ppm Good
Meadville, Pennsylvania	42 Good	5.23μg/m³ Good	20.12μg/m³ Good	44.65ppb Good	1.15ppb Good	1.89ppb Good	0.14ppm Good
Lower Merion, Pennsylvania	38 Good	7.50μg/m³ Good	29.27μg/m³ Good	33.54ppb Good	1.11ppb Good	11.95ppb Good	0.55ppm Good
Salisbury township, Pennsylvania	41 Good	5.59μg/m³ Good	23.97μg/m³ Good	44.02ppb Good	1.68ppb Good	4.27ppb Good	0.42ppm Good
Scranton, Pennsylvania	44 Good	7.54μg/m³ Good	30.97μg/m³ Good	17.26ppb Good	1.79ppb Good	1.30ppb Good	0.42ppm Good
Shaler, Pennsylvania	44 Good	7.53μg/m³ Good	33.80μg/m³ Good	33.26ppb Good	0.99ppb Good	2.80ppb Good	0.15ppm Good
Upper Saucon, Pennsylvania	41 Good	5.51μg/m³ Good	23.66μg/m³ Good	44.28ppb Good	1.68ppb Good	4.33ppb Good	0.42ppm Good
Buckingham township, Pennsylvania	38 Good	7.22μg/m³ Good	26.08μg/m³ Good	38.99ppb Good	1.54ppb Good	7.39ppb Good	0.41ppm Good
Butler, Pennsylvania	40 Good	6.10μg/m³ Good	23.78μg/m³ Good	43.40ppb Good	1.14ppb Good	2.10ppb Good	0.12ppm Good
Cranberry township, Pennsylvania	41 Good	6.60μg/m³ Good	27.54μg/m³ Good	43.66ppb Good	1.09ppb Good	2.11ppb Good	0.12ppm Good
Emmaus, Pennsylvania	40 Good	5.38μg/m³ Good	23.28μg/m³ Good	43.47ppb Good	1.67ppb Good	4.42ppb Good	0.42ppm Good
Manchester township, Pennsylvania	40 Good	3.69μg/m³ Good	16.44μg/m³ Good	42.76ppb Good	0.33ppb Good	5.94ppb Good	0.23ppm Good
Manheim township, Pennsylvania	41 Good	4.11μg/m³ Good	18.11μg/m³ Good	43.74ppb Good	1.14ppb Good	4.25ppb Good	0.29ppm Good
Mount Lebanon, Pennsylvania	38 Good	7.36μg/m³ Good	32.42μg/m³ Good	34.69ppb Good	0.99ppb Good	2.99ppb Good	0.14ppm Good

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

0.19ppm

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 11:00:00 on 2025-06-30.

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 11:00:00 on 2025-07-01.

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 O3.

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 5.919 μg/m³.

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

The current PM₁₀ concentration at Pennsylvania, USA is 25.573 μg/m³.

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

The current carbon monoxide (CO) concentration at Pennsylvania, USA is 0.331 ppm.

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

The current sulfur dioxide (SO₂) concentration at Pennsylvania, USA is 1.039 ppb.

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

The current ozone (O₃) concentration at Pennsylvania, USA is 35.921 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Pennsylvania, USA is 6.154 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-30T03:00:00.000Z	33 \| good	6.16 \| good	27.801 \| good	28.905 \| good	0.294 \| good	7.656 \| good	0.296 \| good
2025-06-30T04:00:00.000Z	33 \| good	6.248 \| good	27.684 \| good	27.848 \| good	0.22 \| good	6.275 \| good	0.407 \| good
2025-06-30T05:00:00.000Z	33 \| good	6.351 \| good	27.95 \| good	21.941 \| good	0.238 \| good	8.125 \| good	0.429 \| good
2025-06-30T06:00:00.000Z	33 \| good	6.352 \| good	28.235 \| good	17.038 \| good	0.239 \| good	13.253 \| good	0.368 \| good
2025-06-30T07:00:00.000Z	33 \| good	6.449 \| good	28.993 \| good	16.986 \| good	0.245 \| good	13.903 \| good	0.37 \| good
2025-06-30T08:00:00.000Z	38 \| good	6.53 \| good	29.209 \| good	9.662 \| good	0.244 \| good	13.714 \| good	0.37 \| good
2025-06-30T09:00:00.000Z	38 \| good	6.555 \| good	29.597 \| good	14.135 \| good	0.281 \| good	13.63 \| good	0.408 \| good
2025-06-30T10:00:00.000Z	38 \| good	6.519 \| good	28.928 \| good	10.712 \| good	0.261 \| good	10.936 \| good	0.343 \| good
2025-06-30T11:00:00.000Z	38 \| good	6.541 \| good	29.081 \| good	11.614 \| good	0.281 \| good	8.431 \| good	0.331 \| good
2025-06-30T12:00:00.000Z	38 \| good	6.642 \| good	29.307 \| good	14.569 \| good	0.286 \| good	7.287 \| good	0.412 \| good
2025-06-30T13:00:00.000Z	38 \| good	6.712 \| good	29.997 \| good	15.562 \| good	0.276 \| good	5.063 \| good	0.351 \| good
2025-06-30T14:00:00.000Z	38 \| good	6.692 \| good	30.385 \| good	19.174 \| good	0.221 \| good	6.076 \| good	0.35 \| good
2025-06-30T15:00:00.000Z	38 \| good	6.697 \| good	30.239 \| good	24.768 \| good	0.222 \| good	7.305 \| good	0.289 \| good
2025-06-30T16:00:00.000Z	38 \| good	6.809 \| good	30.341 \| good	26.664 \| good	0.236 \| good	5.549 \| good	0.292 \| good
2025-06-30T17:00:00.000Z	38 \| good	6.788 \| good	29.989 \| good	38.655 \| good	0.291 \| good	4.268 \| good	0.228 \| good
2025-06-30T18:00:00.000Z	38 \| good	6.982 \| good	30.235 \| good	41.261 \| good	0.375 \| good	3.702 \| good	0.227 \| good
2025-06-30T19:00:00.000Z	38 \| good	7.219 \| good	32.186 \| good	39.432 \| good	0.418 \| good	4.076 \| good	0.245 \| good
2025-06-30T20:00:00.000Z	39 \| good	7.316 \| good	32.59 \| good	42.042 \| good	0.433 \| good	3.542 \| good	0.243 \| good
2025-06-30T21:00:00.000Z	40 \| good	7.39 \| good	32.391 \| good	43.036 \| good	0.349 \| good	3.448 \| good	0.243 \| good
2025-06-30T22:00:00.000Z	40 \| good	7.399 \| good	32.271 \| good	43.486 \| good	0.426 \| good	1.944 \| good	0.247 \| good
2025-06-30T23:00:00.000Z	44 \| good	7.529 \| good	33.603 \| good	42.069 \| good	0.406 \| good	1.94 \| good	0.27 \| good
2025-07-01T00:00:00.000Z	38 \| good	7.381 \| good	32.784 \| good	37.93 \| good	0.408 \| good	1.651 \| good	0.287 \| good
2025-07-01T01:00:00.000Z	38 \| good	7.247 \| good	32.383 \| good	35.395 \| good	0.406 \| good	2.597 \| good	0.306 \| good
2025-07-01T02:00:00.000Z	38 \| good	6.533 \| good	29.125 \| good	35.015 \| good	0.336 \| good	1.989 \| good	0.301 \| good
2025-07-01T03:00:00.000Z	33 \| good	5.941 \| good	26.92 \| good	32.438 \| good	0.318 \| good	2.624 \| good	0.301 \| good
2025-07-01T04:00:00.000Z	33 \| good	5.776 \| good	26.543 \| good	33.374 \| good	0.298 \| good	2.481 \| good	0.301 \| good
2025-07-01T05:00:00.000Z	33 \| good	5.544 \| good	24.349 \| good	28.948 \| good	0.319 \| good	1.928 \| good	0.261 \| good
2025-07-01T06:00:00.000Z	33 \| good	5.523 \| good	24.388 \| good	29.457 \| good	0.331 \| good	1.839 \| good	0.26 \| good
2025-07-01T07:00:00.000Z	33 \| good	5.558 \| good	24.232 \| good	33.379 \| good	0.508 \| good	1.883 \| good	0.219 \| good
2025-07-01T08:00:00.000Z	33 \| good	5.558 \| good	24.652 \| good	27.927 \| good	0.489 \| good	3.162 \| good	0.201 \| good
2025-07-01T09:00:00.000Z	27 \| good	5.005 \| good	23.547 \| good	24.493 \| good	0.506 \| good	2.377 \| good	0.276 \| good
2025-07-01T10:00:00.000Z	33 \| good	5.908 \| good	28.071 \| good	21.232 \| good	0.463 \| good	2.824 \| good	0.298 \| good
2025-07-01T11:00:00.000Z	27 \| good	5.181 \| good	23.234 \| good	19.347 \| good	0.356 \| good	5.499 \| good	0.317 \| good
2025-07-01T12:00:00.000Z	38 \| good	6.574 \| good	28.852 \| good	22.945 \| good	0.33 \| good	4.674 \| good	0.316 \| good
2025-07-01T13:00:00.000Z	38 \| good	6.525 \| good	30.154 \| good	25.117 \| good	0.289 \| good	4.51 \| good	0.316 \| good
2025-07-01T14:00:00.000Z	33 \| good	6.161 \| good	33.118 \| good	28.165 \| good	0.2 \| good	4.368 \| good	0.297 \| good
2025-07-01T15:00:00.000Z	33 \| good	6.396 \| good	28.28 \| good	29.675 \| good	0.334 \| good	4.461 \| good	0.335 \| good
2025-07-01T16:00:00.000Z	34 \| good	6.147 \| good	37.062 \| good	31.911 \| good	0.257 \| good	4.541 \| good	0.295 \| good
2025-07-01T17:00:00.000Z	38 \| good	6.784 \| good	31.914 \| good	33.574 \| good	0.405 \| good	3.842 \| good	0.336 \| good
2025-07-01T18:00:00.000Z	38 \| good	7.365 \| good	29.803 \| good	38.341 \| good	0.238 \| good	3.427 \| good	0.315 \| good
2025-07-01T19:00:00.000Z	38 \| good	7.15 \| good	33.758 \| good	41.003 \| good	0.258 \| good	4.202 \| good	0.317 \| good
2025-07-01T20:00:00.000Z	36 \| good	5.193 \| good	20.047 \| good	38.815 \| good	0.333 \| good	1.588 \| good	0.315 \| good
2025-07-01T21:00:00.000Z	31 \| good	4.688 \| good	18.017 \| good	34.242 \| good	0.294 \| good	2.498 \| good	0.257 \| good
2025-07-01T22:00:00.000Z	31 \| good	5.006 \| good	24.5 \| good	33.034 \| good	0.317 \| good	1.555 \| good	0.353 \| good
2025-07-01T23:00:00.000Z	32 \| good	3.649 \| good	15.883 \| good	35.229 \| good	0.319 \| good	1.484 \| good	0.334 \| good
2025-07-02T00:00:00.000Z	31 \| good	4.572 \| good	20.903 \| good	32.75 \| good	0.339 \| good	5.833 \| good	0.315 \| good
2025-07-02T01:00:00.000Z	27 \| good	4.15 \| good	16.281 \| good	28.948 \| good	0.276 \| good	5.452 \| good	0.298 \| good
2025-07-02T02:00:00.000Z	29 \| good	4.641 \| good	19.868 \| good	30.863 \| good	0.765 \| good	6.949 \| good	0.309 \| good
2025-07-01T23:00:00.000Z	20 \| good	3.489 \| good	15.276 \| good	21.931 \| good	0.07 \| good	2.202 \| good	0.163 \| good
2025-07-02T00:00:00.000Z	27 \| good	3.601 \| good	15.955 \| good	28.609 \| good	0.079 \| good	2.916 \| good	0.17 \| good
2025-07-02T01:00:00.000Z	27 \| good	5.222 \| good	22.882 \| good	23.898 \| good	0.097 \| good	4.194 \| good	0.184 \| good
2025-07-02T02:00:00.000Z	27 \| good	5.264 \| good	22.953 \| good	20.901 \| good	0.116 \| good	5.472 \| good	0.199 \| good
2025-07-02T03:00:00.000Z	33 \| good	5.965 \| good	26.807 \| good	17.122 \| good	0.134 \| good	6.75 \| good	0.213 \| good
2025-07-02T04:00:00.000Z	33 \| good	6.009 \| good	26.854 \| good	17.246 \| good	0.131 \| good	6.243 \| good	0.211 \| good
2025-07-02T05:00:00.000Z	33 \| good	5.889 \| good	26.149 \| good	16.391 \| good	0.127 \| good	5.736 \| good	0.208 \| good
2025-07-02T06:00:00.000Z	27 \| good	5.043 \| good	21.955 \| good	15.534 \| good	0.123 \| good	5.229 \| good	0.206 \| good
2025-07-02T07:00:00.000Z	27 \| good	5.361 \| good	23 \| good	12.743 \| good	0.171 \| good	4.63 \| good	0.198 \| good
2025-07-02T08:00:00.000Z	27 \| good	4.643 \| good	20.194 \| good	9.84 \| good	0.219 \| good	4.03 \| good	0.191 \| good
2025-07-02T09:00:00.000Z	22 \| good	4.384 \| good	19.097 \| good	8.399 \| good	0.266 \| good	3.431 \| good	0.183 \| good
2025-07-02T10:00:00.000Z	27 \| good	4.966 \| good	21.123 \| good	9.884 \| good	0.349 \| good	2.77 \| good	0.179 \| good
2025-07-02T11:00:00.000Z	27 \| good	4.956 \| good	21.07 \| good	13.054 \| good	0.431 \| good	2.109 \| good	0.175 \| good
2025-07-02T12:00:00.000Z	22 \| good	4.372 \| good	19.047 \| good	18.177 \| good	0.514 \| good	1.449 \| good	0.171 \| good
2025-07-02T13:00:00.000Z	22 \| good	2.626 \| good	10.462 \| good	23.612 \| good	0.448 \| good	1.167 \| good	0.165 \| good
2025-07-02T14:00:00.000Z	29 \| good	1.41 \| good	5.468 \| good	31.171 \| good	0.381 \| good	0.886 \| good	0.159 \| good
2025-07-02T15:00:00.000Z	30 \| good	1.055 \| good	4.326 \| good	31.531 \| good	0.315 \| good	0.604 \| good	0.153 \| good
2025-07-02T16:00:00.000Z	31 \| good	0.231 \| good	0.491 \| good	33.538 \| good	0.258 \| good	0.518 \| good	0.15 \| good
2025-07-02T17:00:00.000Z	32 \| good	1.765 \| good	7.506 \| good	34.915 \| good	0.201 \| good	0.431 \| good	0.147 \| good
2025-07-02T18:00:00.000Z	32 \| good	2.019 \| good	8.412 \| good	34.673 \| good	0.144 \| good	0.345 \| good	0.143 \| good
2025-07-02T19:00:00.000Z	33 \| good	2.599 \| good	10.538 \| good	36.159 \| good	0.133 \| good	0.37 \| good	0.146 \| good
2025-07-02T20:00:00.000Z	35 \| good	3.266 \| good	14.375 \| good	38.318 \| good	0.122 \| good	0.395 \| good	0.15 \| good
2025-07-02T21:00:00.000Z	35 \| good	2.315 \| good	9.783 \| good	38.152 \| good	0.111 \| good	0.42 \| good	0.153 \| good
2025-07-02T22:00:00.000Z	35 \| good	4.361 \| good	19.08 \| good	37.874 \| good	0.112 \| good	1.059 \| good	0.163 \| good
2025-07-02T23:00:00.000Z	27 \| good	4.976 \| good	21.322 \| good	29.288 \| good	0.113 \| good	1.698 \| good	0.174 \| good
2025-07-03T00:00:00.000Z	24 \| good	4.276 \| good	18.896 \| good	25.68 \| good	0.115 \| good	2.336 \| good	0.185 \| good
2025-07-03T01:00:00.000Z	33 \| good	5.754 \| good	24.918 \| good	22.274 \| good	0.131 \| good	3.348 \| good	0.199 \| good
2025-07-03T02:00:00.000Z	44 \| good	7.516 \| good	32.841 \| good	20.393 \| good	0.148 \| good	4.36 \| good	0.212 \| good
2025-07-03T03:00:00.000Z	38 \| good	7.421 \| good	32.652 \| good	17.865 \| good	0.165 \| good	5.372 \| good	0.225 \| good
2025-07-03T04:00:00.000Z	33 \| good	5.584 \| good	23.904 \| good	15.671 \| good	0.171 \| good	6.136 \| good	0.237 \| good
2025-07-03T05:00:00.000Z	22 \| good	3.773 \| good	16.224 \| good	14.097 \| good	0.178 \| good	6.9 \| good	0.249 \| good
2025-07-03T06:00:00.000Z	11 \| good	1.899 \| good	8.11 \| good	12.241 \| good	0.184 \| good	7.664 \| good	0.26 \| good
2025-07-03T07:00:00.000Z	16 \| good	2.917 \| good	12.27 \| good	10.495 \| good	0.187 \| good	7.839 \| good	0.265 \| good
2025-07-03T08:00:00.000Z	16 \| good	3.053 \| good	12.457 \| good	9.187 \| good	0.19 \| good	8.014 \| good	0.269 \| good
2025-07-03T09:00:00.000Z	22 \| good	3.839 \| good	16.953 \| good	7.293 \| good	0.193 \| good	8.189 \| good	0.274 \| good
2025-07-03T10:00:00.000Z	16 \| good	3.363 \| good	14.953 \| good	6.535 \| good	0.198 \| good	6.134 \| good	0.261 \| good
2025-07-03T11:00:00.000Z	16 \| good	2.891 \| good	11.983 \| good	9.6 \| good	0.204 \| good	4.08 \| good	0.249 \| good
2025-07-03T12:00:00.000Z	16 \| good	2.594 \| good	10.272 \| good	14.562 \| good	0.21 \| good	2.026 \| good	0.237 \| good
2025-07-03T13:00:00.000Z	23 \| good	3.546 \| good	15.969 \| good	24.592 \| good	0.334 \| good	1.541 \| good	0.217 \| good
2025-07-03T14:00:00.000Z	30 \| good	5.276 \| good	22.977 \| good	31.936 \| good	0.458 \| good	1.056 \| good	0.197 \| good
2025-07-03T15:00:00.000Z	38 \| good	6.578 \| good	29.266 \| good	35.961 \| good	0.583 \| good	0.572 \| good	0.177 \| good
2025-07-03T16:00:00.000Z	35 \| good	5.482 \| good	23.323 \| good	37.679 \| good	0.534 \| good	0.509 \| good	0.174 \| good
2025-07-03T17:00:00.000Z	34 \| good	4.019 \| good	17.396 \| good	37.163 \| good	0.484 \| good	0.447 \| good	0.17 \| good
2025-07-03T18:00:00.000Z	30 \| good	2.746 \| good	11.34 \| good	31.994 \| good	0.435 \| good	0.385 \| good	0.167 \| good
2025-07-03T19:00:00.000Z	31 \| good	1.083 \| good	4.289 \| good	33.399 \| good	0.344 \| good	0.458 \| good	0.157 \| good
2025-07-03T20:00:00.000Z	34 \| good	0.792 \| good	3.185 \| good	36.678 \| good	0.253 \| good	0.531 \| good	0.147 \| good
2025-07-03T21:00:00.000Z	34 \| good	1.12 \| good	4.372 \| good	37.125 \| good	0.162 \| good	0.604 \| good	0.137 \| good
2025-07-03T22:00:00.000Z	36 \| good	2.768 \| good	11.104 \| good	38.798 \| good	0.156 \| good	0.835 \| good	0.14 \| good

Live air quality index in Pennsylvania, USA today

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)

Track live Pennsylvania, USA air quality forecast and history

Get reliable air quality data to drive your business

Pennsylvania, USA air quality map: Track AQI near you

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?