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

The current PM10 concentration at Pennsylvania, USA is 19.321 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Pennsylvania, USA is 0.588 ppb.

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

The current ozone (O3) concentration at Pennsylvania, USA is 28.971 ppm.

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

The current nitrogen dioxide (NO2) concentration at Pennsylvania, USA is 4.82 ppb.

Pennsylvania, USA live air quality index now

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)

5.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.73 μg/m³

155

255

425

605+

Ozone (O₃)

31.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2025-07-18T04:00:00.000Z	31 \| good	4.71 \| good	20.67 \| good	32.93 \| good	0.445 \| good	2.654 \| good	0.218 \| good
2025-07-18T05:00:00.000Z	28 \| good	4.804 \| good	20.694 \| good	29.648 \| good	0.53 \| good	2.842 \| good	0.218 \| good
2025-07-18T06:00:00.000Z	27 \| good	5.17 \| good	22.59 \| good	24.501 \| good	0.494 \| good	4.043 \| good	0.162 \| good
2025-07-18T07:00:00.000Z	27 \| good	5.203 \| good	22.621 \| good	25.734 \| good	0.404 \| good	3.27 \| good	0.144 \| good
2025-07-18T08:00:00.000Z	27 \| good	5.096 \| good	22.357 \| good	28.902 \| good	0.379 \| good	2.941 \| good	0.144 \| good
2025-07-18T09:00:00.000Z	27 \| good	5.159 \| good	22.373 \| good	25.914 \| good	0.313 \| good	7.969 \| good	0.144 \| good
2025-07-18T10:00:00.000Z	27 \| good	5.252 \| good	22.372 \| good	25.496 \| good	0.357 \| good	10.773 \| good	0.145 \| good
2025-07-18T11:00:00.000Z	27 \| good	5.218 \| good	22.273 \| good	22.084 \| good	0.443 \| good	10.631 \| good	0.167 \| good
2025-07-18T12:00:00.000Z	27 \| good	4.892 \| good	20.916 \| good	25.73 \| good	0.501 \| good	10.419 \| good	0.215 \| good
2025-07-18T13:00:00.000Z	26 \| good	3.685 \| good	16.531 \| good	28.34 \| good	0.519 \| good	6.312 \| good	0.224 \| good
2025-07-18T14:00:00.000Z	26 \| good	2.635 \| good	11.013 \| good	28.238 \| good	0.369 \| good	6.553 \| good	0.181 \| good
2025-07-18T15:00:00.000Z	28 \| good	1.993 \| good	8.283 \| good	30.233 \| good	0.395 \| good	4.808 \| good	0.201 \| good
2025-07-18T16:00:00.000Z	29 \| good	1.689 \| good	7.032 \| good	31.44 \| good	0.283 \| good	3.878 \| good	0.179 \| good
2025-07-18T17:00:00.000Z	29 \| good	1.498 \| good	6.133 \| good	31.254 \| good	0.253 \| good	3.795 \| good	0.179 \| good
2025-07-18T18:00:00.000Z	31 \| good	1.604 \| good	7.021 \| good	33.795 \| good	0.307 \| good	4.223 \| good	0.2 \| good
2025-07-18T19:00:00.000Z	32 \| good	1.618 \| good	7.079 \| good	35.131 \| good	0.325 \| good	3.017 \| good	0.217 \| good
2025-07-18T20:00:00.000Z	34 \| good	1.717 \| good	7.112 \| good	36.764 \| good	0.329 \| good	3.325 \| good	0.178 \| good
2025-07-18T21:00:00.000Z	34 \| good	1.933 \| good	8.075 \| good	36.896 \| good	0.31 \| good	1.622 \| good	0.194 \| good
2025-07-18T22:00:00.000Z	34 \| good	2.035 \| good	8.148 \| good	36.751 \| good	0.308 \| good	1.217 \| good	0.272 \| good
2025-07-18T23:00:00.000Z	30 \| good	2.144 \| good	9.153 \| good	32.081 \| good	0.298 \| good	1.595 \| good	0.237 \| good
2025-07-19T00:00:00.000Z	32 \| good	2.254 \| good	9.187 \| good	34.625 \| good	0.422 \| good	1.727 \| good	0.273 \| good
2025-07-19T01:00:00.000Z	31 \| good	2.497 \| good	10.366 \| good	33.51 \| good	0.335 \| good	2.485 \| good	0.315 \| good
2025-07-19T02:00:00.000Z	24 \| good	2.831 \| good	11.556 \| good	25.535 \| good	0.19 \| good	3.274 \| good	0.333 \| good
2025-07-19T03:00:00.000Z	19 \| good	2.961 \| good	12.395 \| good	21.39 \| good	0.258 \| good	4.07 \| good	0.32 \| good
2025-07-19T04:00:00.000Z	19 \| good	3.181 \| good	14.513 \| good	20.415 \| good	0.328 \| good	5.413 \| good	0.32 \| good
2025-07-19T05:00:00.000Z	20 \| good	3.337 \| good	14.453 \| good	21.552 \| good	0.331 \| good	4.327 \| good	0.318 \| good
2025-07-19T06:00:00.000Z	20 \| good	3.285 \| good	14.253 \| good	22.101 \| good	0.258 \| good	4.278 \| good	0.317 \| good
2025-07-19T07:00:00.000Z	17 \| good	3.285 \| good	14.387 \| good	17.899 \| good	0.332 \| good	2.813 \| good	0.295 \| good
2025-07-19T08:00:00.000Z	16 \| good	3.29 \| good	14.674 \| good	12.529 \| good	0.351 \| good	3.455 \| good	0.26 \| good
2025-07-19T09:00:00.000Z	16 \| good	3.244 \| good	14.456 \| good	16.709 \| good	0.351 \| good	3.887 \| good	0.242 \| good
2025-07-19T10:00:00.000Z	16 \| good	3.369 \| good	15.283 \| good	12.393 \| good	0.351 \| good	4.427 \| good	0.224 \| good
2025-07-19T11:00:00.000Z	16 \| good	3.35 \| good	15.426 \| good	15.216 \| good	0.179 \| good	3.107 \| good	0.245 \| good
2025-07-19T12:00:00.000Z	16 \| good	3.313 \| good	15.054 \| good	17.037 \| good	0.181 \| good	3.035 \| good	0.251 \| good
2025-07-19T13:00:00.000Z	17 \| good	3.311 \| good	15.106 \| good	17.591 \| good	0.366 \| good	2.778 \| good	0.228 \| good
2025-07-19T14:00:00.000Z	19 \| good	3.296 \| good	15.559 \| good	20.463 \| good	0.33 \| good	3.261 \| good	0.268 \| good
2025-07-19T15:00:00.000Z	23 \| good	3.354 \| good	15.02 \| good	25.215 \| good	0.328 \| good	2.795 \| good	0.224 \| good
2025-07-19T16:00:00.000Z	25 \| good	3.314 \| good	15.051 \| good	26.739 \| good	0.326 \| good	2.218 \| good	0.226 \| good
2025-07-19T17:00:00.000Z	26 \| good	3.365 \| good	15.239 \| good	27.8 \| good	4.603 \| good	2.005 \| good	0.208 \| good
2025-07-19T18:00:00.000Z	31 \| good	3.524 \| good	16.179 \| good	34.056 \| good	0.354 \| good	1.554 \| good	0.191 \| good
2025-07-19T19:00:00.000Z	32 \| good	3.595 \| good	15.562 \| good	35.302 \| good	0.39 \| good	1.623 \| good	0.206 \| good
2025-07-19T20:00:00.000Z	34 \| good	3.714 \| good	16.777 \| good	36.999 \| good	0.335 \| good	1.649 \| good	0.244 \| good
2025-07-19T21:00:00.000Z	34 \| good	4.109 \| good	17.949 \| good	37.476 \| good	0.338 \| good	1.835 \| good	0.259 \| good
2025-07-19T22:00:00.000Z	34 \| good	4.492 \| good	19.542 \| good	37.331 \| good	0.332 \| good	1.646 \| good	0.261 \| good
2025-07-19T23:00:00.000Z	36 \| good	4.436 \| good	19.663 \| good	38.663 \| good	0.353 \| good	1.734 \| good	0.206 \| good
2025-07-20T00:00:00.000Z	32 \| good	4.512 \| good	19.284 \| good	35.233 \| good	0.353 \| good	3.289 \| good	0.208 \| good
2025-07-20T01:00:00.000Z	29 \| good	4.775 \| good	20.432 \| good	30.986 \| good	0.32 \| good	2.889 \| good	0.208 \| good
2025-07-20T02:00:00.000Z	29 \| good	4.977 \| good	21.012 \| good	31.302 \| good	0.341 \| good	1.974 \| good	0.222 \| good
2025-07-20T03:00:00.000Z	33 \| good	5.78 \| good	24.725 \| good	31.749 \| good	0.622 \| good	4.887 \| good	0.279 \| good
2025-07-18T09:00:00.000Z	22 \| good	3.997 \| good	17.953 \| good	11.833 \| good	0.315 \| good	1.462 \| good	0.161 \| good
2025-07-18T10:00:00.000Z	16 \| good	2.603 \| good	10.266 \| good	14.175 \| good	0.354 \| good	1.411 \| good	0.162 \| good
2025-07-18T11:00:00.000Z	17 \| good	1.661 \| good	7.047 \| good	18.293 \| good	0.393 \| good	1.361 \| good	0.162 \| good
2025-07-18T12:00:00.000Z	19 \| good	0.848 \| good	3.17 \| good	20.871 \| good	0.432 \| good	1.31 \| good	0.163 \| good
2025-07-18T13:00:00.000Z	23 \| good	1.173 \| good	4.977 \| good	25.035 \| good	0.344 \| good	1.062 \| good	0.157 \| good
2025-07-18T14:00:00.000Z	30 \| good	1.721 \| good	7.145 \| good	31.681 \| good	0.256 \| good	0.814 \| good	0.151 \| good
2025-07-18T15:00:00.000Z	31 \| good	1.879 \| good	7.93 \| good	33.304 \| good	0.168 \| good	0.566 \| good	0.145 \| good
2025-07-18T16:00:00.000Z	31 \| good	2.035 \| good	8.169 \| good	33.8 \| good	0.139 \| good	0.501 \| good	0.143 \| good
2025-07-18T17:00:00.000Z	31 \| good	1.867 \| good	7.93 \| good	34.343 \| good	0.11 \| good	0.436 \| good	0.141 \| good
2025-07-18T18:00:00.000Z	32 \| good	1.539 \| good	6.266 \| good	34.874 \| good	0.081 \| good	0.371 \| good	0.138 \| good
2025-07-18T19:00:00.000Z	33 \| good	0.811 \| good	2.944 \| good	36.038 \| good	0.073 \| good	0.397 \| good	0.138 \| good
2025-07-18T20:00:00.000Z	34 \| good	0.918 \| good	3.324 \| good	37.181 \| good	0.065 \| good	0.424 \| good	0.138 \| good
2025-07-18T21:00:00.000Z	37 \| good	0.941 \| good	3.922 \| good	39.596 \| good	0.057 \| good	0.451 \| good	0.137 \| good
2025-07-18T22:00:00.000Z	34 \| good	1.612 \| good	6.87 \| good	36.676 \| good	0.057 \| good	1.279 \| good	0.147 \| good
2025-07-18T23:00:00.000Z	30 \| good	4.141 \| good	18.01 \| good	32.181 \| good	0.056 \| good	2.107 \| good	0.157 \| good
2025-07-19T00:00:00.000Z	27 \| good	3.733 \| good	15.974 \| good	29.407 \| good	0.056 \| good	2.935 \| good	0.167 \| good
2025-07-19T01:00:00.000Z	33 \| good	5.607 \| good	23.83 \| good	21.217 \| good	0.079 \| good	4.316 \| good	0.183 \| good
2025-07-19T02:00:00.000Z	27 \| good	5.322 \| good	22.88 \| good	17.382 \| good	0.103 \| good	5.697 \| good	0.199 \| good
2025-07-19T03:00:00.000Z	33 \| good	5.733 \| good	24.771 \| good	16.467 \| good	0.127 \| good	7.078 \| good	0.216 \| good
2025-07-19T04:00:00.000Z	27 \| good	5.327 \| good	22.932 \| good	14.114 \| good	0.154 \| good	8.221 \| good	0.23 \| good
2025-07-19T05:00:00.000Z	38 \| good	6.979 \| good	30.771 \| good	12.917 \| good	0.181 \| good	9.363 \| good	0.244 \| good
2025-07-19T06:00:00.000Z	38 \| good	7.304 \| good	31.809 \| good	11.113 \| good	0.208 \| good	10.506 \| good	0.258 \| good
2025-07-19T07:00:00.000Z	33 \| good	6.076 \| good	26.906 \| good	8.319 \| good	0.324 \| good	9.826 \| good	0.256 \| good
2025-07-19T08:00:00.000Z	27 \| good	5.416 \| good	22.932 \| good	6.488 \| good	0.44 \| good	9.146 \| good	0.255 \| good
2025-07-19T09:00:00.000Z	11 \| good	1.801 \| good	7.24 \| good	5.858 \| good	0.555 \| good	8.466 \| good	0.253 \| good
2025-07-19T10:00:00.000Z	27 \| good	5.325 \| good	22.932 \| good	5.615 \| good	0.996 \| good	6.677 \| good	0.245 \| good
2025-07-19T11:00:00.000Z	33 \| good	5.783 \| good	24.88 \| good	6.367 \| good	1.438 \| good	4.889 \| good	0.238 \| good
2025-07-19T12:00:00.000Z	22 \| good	4.088 \| good	17.88 \| good	8.896 \| good	1.879 \| good	3.101 \| good	0.23 \| good
2025-07-19T13:00:00.000Z	12 \| good	1.34 \| good	5.155 \| good	13.327 \| good	1.585 \| good	2.436 \| good	0.216 \| good
2025-07-19T14:00:00.000Z	20 \| good	1.935 \| good	8.047 \| good	22.14 \| good	1.292 \| good	1.771 \| good	0.202 \| good
2025-07-19T15:00:00.000Z	25 \| good	2.794 \| good	11.418 \| good	27.025 \| good	0.998 \| good	1.106 \| good	0.188 \| good
2025-07-19T16:00:00.000Z	31 \| good	5.403 \| good	23.12 \| good	33.621 \| good	0.855 \| good	0.935 \| good	0.184 \| good
2025-07-19T17:00:00.000Z	38 \| good	7.127 \| good	31.955 \| good	40.584 \| good	0.712 \| good	0.763 \| good	0.181 \| good
2025-07-19T18:00:00.000Z	44 \| good	7.535 \| good	33.155 \| good	44.328 \| good	0.569 \| good	0.592 \| good	0.178 \| good
2025-07-19T19:00:00.000Z	42 \| good	7.343 \| good	32.359 \| good	45.071 \| good	0.562 \| good	0.63 \| good	0.179 \| good
2025-07-19T20:00:00.000Z	39 \| good	5.776 \| good	25.078 \| good	41.959 \| good	0.556 \| good	0.669 \| good	0.181 \| good
2025-07-19T21:00:00.000Z	38 \| good	7.025 \| good	31.168 \| good	40.134 \| good	0.55 \| good	0.707 \| good	0.182 \| good
2025-07-19T22:00:00.000Z	44 \| good	7.525 \| good	33.044 \| good	41.783 \| good	0.523 \| good	1.272 \| good	0.19 \| good
2025-07-19T23:00:00.000Z	44 \| good	7.944 \| good	35.048 \| good	41.932 \| good	0.496 \| good	1.836 \| good	0.199 \| good
2025-07-20T00:00:00.000Z	38 \| good	6.934 \| good	31.05 \| good	35.914 \| good	0.47 \| good	2.401 \| good	0.207 \| good
2025-07-20T01:00:00.000Z	33 \| good	6.391 \| good	28.727 \| good	30.465 \| good	0.517 \| good	2.708 \| good	0.213 \| good
2025-07-20T02:00:00.000Z	33 \| good	6.032 \| good	26.723 \| good	30.862 \| good	0.563 \| good	3.016 \| good	0.219 \| good
2025-07-20T03:00:00.000Z	38 \| good	6.686 \| good	29.724 \| good	28.526 \| good	0.61 \| good	3.324 \| good	0.224 \| good
2025-07-20T04:00:00.000Z	38 \| good	6.628 \| good	29.627 \| good	27.433 \| good	1.05 \| good	3.164 \| good	0.223 \| good
2025-07-20T05:00:00.000Z	38 \| good	6.769 \| good	29.9 \| good	19.595 \| good	1.491 \| good	3.004 \| good	0.221 \| good
2025-07-20T06:00:00.000Z	60 \| moderate	14.223 \| fine	14.511 \| good	41.138 \| good	1.9 \| good	2.852 \| good	0.22 \| good
2025-07-20T07:00:00.000Z	33 \| good	5.881 \| good	26.281 \| good	16.054 \| good	2.045 \| good	2.556 \| good	0.209 \| good
2025-07-20T08:00:00.000Z	33 \| good	5.747 \| good	24.801 \| good	15.814 \| good	2.16 \| good	2.267 \| good	0.2 \| 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
Abington, Pennsylvania	31 Good	5.20μg/m³ Good	14.34μg/m³ Good	33.29ppb Good	0.55ppb Good	3.88ppb Good	0.37ppm Good
Adams township, Pennsylvania	39 Good	5.37μg/m³ Good	22.45μg/m³ Good	42.14ppb Good	1.26ppb Good	7.28ppb Good	0.17ppm Good
Allentown, Pennsylvania	22 Good	3.52μg/m³ Good	16.07μg/m³ Good	18.41ppb Good	0.42ppb Good	4.55ppb Good	0.39ppm Good
Altoona, Pennsylvania	44 Good	7.79μg/m³ Good	33.96μg/m³ Good	23.08ppb Good	0.66ppb Good	3.22ppb Good	0.17ppm Good
Amity township, Pennsylvania	29 Good	4.46μg/m³ Good	20.61μg/m³ Good	30.84ppb Good	0.39ppb Good	3.51ppb Good	0.39ppm Good
Antrim, Pennsylvania	30 Good	4.95μg/m³ Good	22.00μg/m³ Good	32.38ppb Good	0.32ppb Good	1.79ppb Good	0.32ppm Good
Aston, Pennsylvania	31 Good	4.31μg/m³ Good	19.83μg/m³ Good	34.27ppb Good	0.43ppb Good	3.76ppb Good	0.40ppm Good
Baldwin borough, Pennsylvania	37 Good	5.65μg/m³ Good	24.93μg/m³ Good	39.98ppb Good	1.24ppb Good	4.60ppb Good	0.21ppm Good
Bensalem, Pennsylvania	33 Good	5.12μg/m³ Good	22.27μg/m³ Good	35.89ppb Good	0.49ppb Good	2.82ppb Good	0.36ppm Good
Berwick borough, Pennsylvania	52 Moderate	9.53μg/m³ Good	42.23μg/m³ Good	36.24ppb Good	2.41ppb Good	3.29ppb Good	0.24ppm Good
Bethel Park, Pennsylvania	36 Good	5.24μg/m³ Good	23.50μg/m³ Good	39.34ppb Good	1.22ppb Good	4.31ppb Good	0.18ppm Good
Bethlehem, Pennsylvania	19 Good	3.35μg/m³ Good	15.24μg/m³ Good	20.53ppb Good	0.43ppb Good	4.40ppb Good	0.39ppm Good
Bloomsburg, Pennsylvania	31 Good	5.16μg/m³ Good	23.16μg/m³ Good	34.27ppb Good	0.61ppb Good	3.05ppb Good	0.34ppm Good
Bristol township, Pennsylvania	35 Good	5.52μg/m³ Good	23.12μg/m³ Good	37.66ppb Good	0.47ppb Good	3.07ppb Good	0.36ppm Good
Buckingham township, Pennsylvania	32 Good	5.34μg/m³ Good	24.45μg/m³ Good	34.60ppb Good	0.49ppb Good	3.16ppb Good	0.37ppm Good
Butler, Pennsylvania	44 Good	8.27μg/m³ Good	27.95μg/m³ Good	40.37ppb Good	1.28ppb Good	7.27ppb Good	0.17ppm Good
Caln, Pennsylvania	32 Good	4.75μg/m³ Good	19.82μg/m³ Good	34.89ppb Good	0.38ppb Good	3.81ppb Good	0.37ppm Good
Carlisle, Pennsylvania	44 Good	7.66μg/m³ Good	33.22μg/m³ Good	37.26ppb Good	0.21ppb Good	2.68ppb Good	0.20ppm Good
Cecil, Pennsylvania	34 Good	4.63μg/m³ Good	19.46μg/m³ Good	37.27ppb Good	1.25ppb Good	3.96ppb Good	0.19ppm Good
Center township, Pennsylvania	33 Good	4.49μg/m³ Good	19.76μg/m³ Good	35.99ppb Good	1.25ppb Good	3.81ppb Good	0.18ppm Good
Chambersburg, Pennsylvania	36 Good	4.96μg/m³ Good	14.31μg/m³ Good	39.19ppb Good	0.16ppb Good	2.04ppb Good	0.20ppm Good
Cheltenham, Pennsylvania	30 Good	5.42μg/m³ Good	21.49μg/m³ Good	31.82ppb Good	0.62ppb Good	5.51ppb Good	0.33ppm Good
Chester city, Pennsylvania	32 Good	4.34μg/m³ Good	19.22μg/m³ Good	34.94ppb Good	0.44ppb Good	3.85ppb Good	0.41ppm Good
Chestnuthill, Pennsylvania	33 Good	4.23μg/m³ Good	19.36μg/m³ Good	35.90ppb Good	0.42ppb Good	4.24ppb Good	0.38ppm Good
Coatesville, Pennsylvania	29 Good	4.85μg/m³ Good	20.28μg/m³ Good	31.03ppb Good	0.37ppb Good	4.93ppb Good	0.37ppm Good
College, Pennsylvania	38 Good	6.55μg/m³ Good	29.65μg/m³ Good	35.09ppb Good	0.50ppb Good	2.06ppb Good	0.19ppm Good
Columbia borough, Pennsylvania	33 Good	5.54μg/m³ Good	17.98μg/m³ Good	31.40ppb Good	0.29ppb Good	4.17ppb Good	0.32ppm Good
Concord township, Pennsylvania	31 Good	4.55μg/m³ Good	21.98μg/m³ Good	33.28ppb Good	0.41ppb Good	4.60ppb Good	0.39ppm Good
Coolbaugh, Pennsylvania	34 Good	6.33μg/m³ Good	23.13μg/m³ Good	37.40ppb Good	0.38ppb Good	4.32ppb Good	0.38ppm Good
Cranberry township, Pennsylvania	39 Good	5.63μg/m³ Good	24.53μg/m³ Good	42.28ppb Good	1.25ppb Good	7.27ppb Good	0.17ppm Good
Cumru, Pennsylvania	29 Good	4.75μg/m³ Good	18.69μg/m³ Good	31.10ppb Good	0.34ppb Good	4.94ppb Good	0.36ppm Good
Darby borough, Pennsylvania	33 Good	6.29μg/m³ Good	26.86μg/m³ Good	33.72ppb Good	0.45ppb Good	7.62ppb Good	0.46ppm Good
Derry township, Pennsylvania	33 Good	6.33μg/m³ Good	28.13μg/m³ Good	34.90ppb Good	0.28ppb Good	3.92ppb Good	0.20ppm Good
Dingman, Pennsylvania	42 Good	4.64μg/m³ Good	20.13μg/m³ Good	44.52ppb Good	0.39ppb Good	4.57ppb Good	0.35ppm Good
Douglass township, Pennsylvania	33 Good	5.07μg/m³ Good	20.94μg/m³ Good	35.93ppb Good	0.41ppb Good	3.33ppb Good	0.40ppm Good
Dover township, Pennsylvania	31 Good	5.45μg/m³ Good	21.15μg/m³ Good	33.08ppb Good	0.26ppb Good	3.73ppb Good	0.20ppm Good
Doylestown township, Pennsylvania	31 Good	5.12μg/m³ Good	24.35μg/m³ Good	34.13ppb Good	0.48ppb Good	3.16ppb Good	0.38ppm Good
Dunmore, Pennsylvania	27 Good	5.35μg/m³ Good	22.85μg/m³ Good	26.93ppb Good	0.37ppb Good	3.74ppb Good	0.38ppm Good
East Bradford, Pennsylvania	30 Good	4.93μg/m³ Good	22.08μg/m³ Good	32.32ppb Good	0.41ppb Good	5.09ppb Good	0.39ppm Good
East Brandywine, Pennsylvania	32 Good	4.65μg/m³ Good	23.86μg/m³ Good	34.93ppb Good	0.40ppb Good	3.13ppb Good	0.38ppm Good
East Cocalico, Pennsylvania	30 Good	4.95μg/m³ Good	20.50μg/m³ Good	31.86ppb Good	0.33ppb Good	4.80ppb Good	0.36ppm Good
East Goshen, Pennsylvania	30 Good	4.93μg/m³ Good	22.08μg/m³ Good	32.32ppb Good	0.41ppb Good	5.09ppb Good	0.39ppm Good
East Hempfield, Pennsylvania	28 Good	5.12μg/m³ Good	20.92μg/m³ Good	30.47ppb Good	0.29ppb Good	4.24ppb Good	0.28ppm Good
East Lampeter, Pennsylvania	33 Good	6.35μg/m³ Good	28.18μg/m³ Good	27.01ppb Good	0.32ppb Good	4.93ppb Good	0.31ppm Good
East Norriton, Pennsylvania	28 Good	4.61μg/m³ Good	20.16μg/m³ Good	30.11ppb Good	0.49ppb Good	4.52ppb Good	0.43ppm Good
East Pennsboro, Pennsylvania	38 Good	7.21μg/m³ Good	31.56μg/m³ Good	34.61ppb Good	0.27ppb Good	3.58ppb Good	0.20ppm Good
East Whiteland, Pennsylvania	30 Good	4.84μg/m³ Good	21.95μg/m³ Good	31.76ppb Good	0.43ppb Good	4.25ppb Good	0.41ppm Good
Easton, Pennsylvania	38 Good	3.89μg/m³ Good	19.39μg/m³ Good	40.81ppb Good	0.43ppb Good	3.76ppb Good	0.38ppm Good
Easttown, Pennsylvania	31 Good	4.80μg/m³ Good	21.59μg/m³ Good	33.31ppb Good	0.45ppb Good	2.82ppb Good	0.42ppm Good
Elizabeth township, Pennsylvania	35 Good	5.14μg/m³ Good	22.49μg/m³ Good	37.51ppb Good	1.25ppb Good	3.87ppb Good	0.22ppm Good

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

0.15ppm

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.

View Polluted Cities

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

View Clean Cities

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 05:00:00 on 2025-07-17.

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 10:00:00 on 2025-07-17.

What is the current air quality in Pennsylvania, USA?

The current air quality in Pennsylvania, USA is 27, 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 4.533 μg/m³.

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

The current PM₁₀ concentration at Pennsylvania, USA is 19.321 μg/m³.

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

The current carbon monoxide (CO) concentration at Pennsylvania, USA is 0.209 ppm.

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

The current sulfur dioxide (SO₂) concentration at Pennsylvania, USA is 0.588 ppb.

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

The current ozone (O₃) concentration at Pennsylvania, USA is 28.971 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Pennsylvania, USA is 4.82 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T04:00:00.000Z	31 \| good	4.71 \| good	20.67 \| good	32.93 \| good	0.445 \| good	2.654 \| good	0.218 \| good
2025-07-18T05:00:00.000Z	28 \| good	4.804 \| good	20.694 \| good	29.648 \| good	0.53 \| good	2.842 \| good	0.218 \| good
2025-07-18T06:00:00.000Z	27 \| good	5.17 \| good	22.59 \| good	24.501 \| good	0.494 \| good	4.043 \| good	0.162 \| good
2025-07-18T07:00:00.000Z	27 \| good	5.203 \| good	22.621 \| good	25.734 \| good	0.404 \| good	3.27 \| good	0.144 \| good
2025-07-18T08:00:00.000Z	27 \| good	5.096 \| good	22.357 \| good	28.902 \| good	0.379 \| good	2.941 \| good	0.144 \| good
2025-07-18T09:00:00.000Z	27 \| good	5.159 \| good	22.373 \| good	25.914 \| good	0.313 \| good	7.969 \| good	0.144 \| good
2025-07-18T10:00:00.000Z	27 \| good	5.252 \| good	22.372 \| good	25.496 \| good	0.357 \| good	10.773 \| good	0.145 \| good
2025-07-18T11:00:00.000Z	27 \| good	5.218 \| good	22.273 \| good	22.084 \| good	0.443 \| good	10.631 \| good	0.167 \| good
2025-07-18T12:00:00.000Z	27 \| good	4.892 \| good	20.916 \| good	25.73 \| good	0.501 \| good	10.419 \| good	0.215 \| good
2025-07-18T13:00:00.000Z	26 \| good	3.685 \| good	16.531 \| good	28.34 \| good	0.519 \| good	6.312 \| good	0.224 \| good
2025-07-18T14:00:00.000Z	26 \| good	2.635 \| good	11.013 \| good	28.238 \| good	0.369 \| good	6.553 \| good	0.181 \| good
2025-07-18T15:00:00.000Z	28 \| good	1.993 \| good	8.283 \| good	30.233 \| good	0.395 \| good	4.808 \| good	0.201 \| good
2025-07-18T16:00:00.000Z	29 \| good	1.689 \| good	7.032 \| good	31.44 \| good	0.283 \| good	3.878 \| good	0.179 \| good
2025-07-18T17:00:00.000Z	29 \| good	1.498 \| good	6.133 \| good	31.254 \| good	0.253 \| good	3.795 \| good	0.179 \| good
2025-07-18T18:00:00.000Z	31 \| good	1.604 \| good	7.021 \| good	33.795 \| good	0.307 \| good	4.223 \| good	0.2 \| good
2025-07-18T19:00:00.000Z	32 \| good	1.618 \| good	7.079 \| good	35.131 \| good	0.325 \| good	3.017 \| good	0.217 \| good
2025-07-18T20:00:00.000Z	34 \| good	1.717 \| good	7.112 \| good	36.764 \| good	0.329 \| good	3.325 \| good	0.178 \| good
2025-07-18T21:00:00.000Z	34 \| good	1.933 \| good	8.075 \| good	36.896 \| good	0.31 \| good	1.622 \| good	0.194 \| good
2025-07-18T22:00:00.000Z	34 \| good	2.035 \| good	8.148 \| good	36.751 \| good	0.308 \| good	1.217 \| good	0.272 \| good
2025-07-18T23:00:00.000Z	30 \| good	2.144 \| good	9.153 \| good	32.081 \| good	0.298 \| good	1.595 \| good	0.237 \| good
2025-07-19T00:00:00.000Z	32 \| good	2.254 \| good	9.187 \| good	34.625 \| good	0.422 \| good	1.727 \| good	0.273 \| good
2025-07-19T01:00:00.000Z	31 \| good	2.497 \| good	10.366 \| good	33.51 \| good	0.335 \| good	2.485 \| good	0.315 \| good
2025-07-19T02:00:00.000Z	24 \| good	2.831 \| good	11.556 \| good	25.535 \| good	0.19 \| good	3.274 \| good	0.333 \| good
2025-07-19T03:00:00.000Z	19 \| good	2.961 \| good	12.395 \| good	21.39 \| good	0.258 \| good	4.07 \| good	0.32 \| good
2025-07-19T04:00:00.000Z	19 \| good	3.181 \| good	14.513 \| good	20.415 \| good	0.328 \| good	5.413 \| good	0.32 \| good
2025-07-19T05:00:00.000Z	20 \| good	3.337 \| good	14.453 \| good	21.552 \| good	0.331 \| good	4.327 \| good	0.318 \| good
2025-07-19T06:00:00.000Z	20 \| good	3.285 \| good	14.253 \| good	22.101 \| good	0.258 \| good	4.278 \| good	0.317 \| good
2025-07-19T07:00:00.000Z	17 \| good	3.285 \| good	14.387 \| good	17.899 \| good	0.332 \| good	2.813 \| good	0.295 \| good
2025-07-19T08:00:00.000Z	16 \| good	3.29 \| good	14.674 \| good	12.529 \| good	0.351 \| good	3.455 \| good	0.26 \| good
2025-07-19T09:00:00.000Z	16 \| good	3.244 \| good	14.456 \| good	16.709 \| good	0.351 \| good	3.887 \| good	0.242 \| good
2025-07-19T10:00:00.000Z	16 \| good	3.369 \| good	15.283 \| good	12.393 \| good	0.351 \| good	4.427 \| good	0.224 \| good
2025-07-19T11:00:00.000Z	16 \| good	3.35 \| good	15.426 \| good	15.216 \| good	0.179 \| good	3.107 \| good	0.245 \| good
2025-07-19T12:00:00.000Z	16 \| good	3.313 \| good	15.054 \| good	17.037 \| good	0.181 \| good	3.035 \| good	0.251 \| good
2025-07-19T13:00:00.000Z	17 \| good	3.311 \| good	15.106 \| good	17.591 \| good	0.366 \| good	2.778 \| good	0.228 \| good
2025-07-19T14:00:00.000Z	19 \| good	3.296 \| good	15.559 \| good	20.463 \| good	0.33 \| good	3.261 \| good	0.268 \| good
2025-07-19T15:00:00.000Z	23 \| good	3.354 \| good	15.02 \| good	25.215 \| good	0.328 \| good	2.795 \| good	0.224 \| good
2025-07-19T16:00:00.000Z	25 \| good	3.314 \| good	15.051 \| good	26.739 \| good	0.326 \| good	2.218 \| good	0.226 \| good
2025-07-19T17:00:00.000Z	26 \| good	3.365 \| good	15.239 \| good	27.8 \| good	4.603 \| good	2.005 \| good	0.208 \| good
2025-07-19T18:00:00.000Z	31 \| good	3.524 \| good	16.179 \| good	34.056 \| good	0.354 \| good	1.554 \| good	0.191 \| good
2025-07-19T19:00:00.000Z	32 \| good	3.595 \| good	15.562 \| good	35.302 \| good	0.39 \| good	1.623 \| good	0.206 \| good
2025-07-19T20:00:00.000Z	34 \| good	3.714 \| good	16.777 \| good	36.999 \| good	0.335 \| good	1.649 \| good	0.244 \| good
2025-07-19T21:00:00.000Z	34 \| good	4.109 \| good	17.949 \| good	37.476 \| good	0.338 \| good	1.835 \| good	0.259 \| good
2025-07-19T22:00:00.000Z	34 \| good	4.492 \| good	19.542 \| good	37.331 \| good	0.332 \| good	1.646 \| good	0.261 \| good
2025-07-19T23:00:00.000Z	36 \| good	4.436 \| good	19.663 \| good	38.663 \| good	0.353 \| good	1.734 \| good	0.206 \| good
2025-07-20T00:00:00.000Z	32 \| good	4.512 \| good	19.284 \| good	35.233 \| good	0.353 \| good	3.289 \| good	0.208 \| good
2025-07-20T01:00:00.000Z	29 \| good	4.775 \| good	20.432 \| good	30.986 \| good	0.32 \| good	2.889 \| good	0.208 \| good
2025-07-20T02:00:00.000Z	29 \| good	4.977 \| good	21.012 \| good	31.302 \| good	0.341 \| good	1.974 \| good	0.222 \| good
2025-07-20T03:00:00.000Z	33 \| good	5.78 \| good	24.725 \| good	31.749 \| good	0.622 \| good	4.887 \| good	0.279 \| good
2025-07-18T09:00:00.000Z	22 \| good	3.997 \| good	17.953 \| good	11.833 \| good	0.315 \| good	1.462 \| good	0.161 \| good
2025-07-18T10:00:00.000Z	16 \| good	2.603 \| good	10.266 \| good	14.175 \| good	0.354 \| good	1.411 \| good	0.162 \| good
2025-07-18T11:00:00.000Z	17 \| good	1.661 \| good	7.047 \| good	18.293 \| good	0.393 \| good	1.361 \| good	0.162 \| good
2025-07-18T12:00:00.000Z	19 \| good	0.848 \| good	3.17 \| good	20.871 \| good	0.432 \| good	1.31 \| good	0.163 \| good
2025-07-18T13:00:00.000Z	23 \| good	1.173 \| good	4.977 \| good	25.035 \| good	0.344 \| good	1.062 \| good	0.157 \| good
2025-07-18T14:00:00.000Z	30 \| good	1.721 \| good	7.145 \| good	31.681 \| good	0.256 \| good	0.814 \| good	0.151 \| good
2025-07-18T15:00:00.000Z	31 \| good	1.879 \| good	7.93 \| good	33.304 \| good	0.168 \| good	0.566 \| good	0.145 \| good
2025-07-18T16:00:00.000Z	31 \| good	2.035 \| good	8.169 \| good	33.8 \| good	0.139 \| good	0.501 \| good	0.143 \| good
2025-07-18T17:00:00.000Z	31 \| good	1.867 \| good	7.93 \| good	34.343 \| good	0.11 \| good	0.436 \| good	0.141 \| good
2025-07-18T18:00:00.000Z	32 \| good	1.539 \| good	6.266 \| good	34.874 \| good	0.081 \| good	0.371 \| good	0.138 \| good
2025-07-18T19:00:00.000Z	33 \| good	0.811 \| good	2.944 \| good	36.038 \| good	0.073 \| good	0.397 \| good	0.138 \| good
2025-07-18T20:00:00.000Z	34 \| good	0.918 \| good	3.324 \| good	37.181 \| good	0.065 \| good	0.424 \| good	0.138 \| good
2025-07-18T21:00:00.000Z	37 \| good	0.941 \| good	3.922 \| good	39.596 \| good	0.057 \| good	0.451 \| good	0.137 \| good
2025-07-18T22:00:00.000Z	34 \| good	1.612 \| good	6.87 \| good	36.676 \| good	0.057 \| good	1.279 \| good	0.147 \| good
2025-07-18T23:00:00.000Z	30 \| good	4.141 \| good	18.01 \| good	32.181 \| good	0.056 \| good	2.107 \| good	0.157 \| good
2025-07-19T00:00:00.000Z	27 \| good	3.733 \| good	15.974 \| good	29.407 \| good	0.056 \| good	2.935 \| good	0.167 \| good
2025-07-19T01:00:00.000Z	33 \| good	5.607 \| good	23.83 \| good	21.217 \| good	0.079 \| good	4.316 \| good	0.183 \| good
2025-07-19T02:00:00.000Z	27 \| good	5.322 \| good	22.88 \| good	17.382 \| good	0.103 \| good	5.697 \| good	0.199 \| good
2025-07-19T03:00:00.000Z	33 \| good	5.733 \| good	24.771 \| good	16.467 \| good	0.127 \| good	7.078 \| good	0.216 \| good
2025-07-19T04:00:00.000Z	27 \| good	5.327 \| good	22.932 \| good	14.114 \| good	0.154 \| good	8.221 \| good	0.23 \| good
2025-07-19T05:00:00.000Z	38 \| good	6.979 \| good	30.771 \| good	12.917 \| good	0.181 \| good	9.363 \| good	0.244 \| good
2025-07-19T06:00:00.000Z	38 \| good	7.304 \| good	31.809 \| good	11.113 \| good	0.208 \| good	10.506 \| good	0.258 \| good
2025-07-19T07:00:00.000Z	33 \| good	6.076 \| good	26.906 \| good	8.319 \| good	0.324 \| good	9.826 \| good	0.256 \| good
2025-07-19T08:00:00.000Z	27 \| good	5.416 \| good	22.932 \| good	6.488 \| good	0.44 \| good	9.146 \| good	0.255 \| good
2025-07-19T09:00:00.000Z	11 \| good	1.801 \| good	7.24 \| good	5.858 \| good	0.555 \| good	8.466 \| good	0.253 \| good
2025-07-19T10:00:00.000Z	27 \| good	5.325 \| good	22.932 \| good	5.615 \| good	0.996 \| good	6.677 \| good	0.245 \| good
2025-07-19T11:00:00.000Z	33 \| good	5.783 \| good	24.88 \| good	6.367 \| good	1.438 \| good	4.889 \| good	0.238 \| good
2025-07-19T12:00:00.000Z	22 \| good	4.088 \| good	17.88 \| good	8.896 \| good	1.879 \| good	3.101 \| good	0.23 \| good
2025-07-19T13:00:00.000Z	12 \| good	1.34 \| good	5.155 \| good	13.327 \| good	1.585 \| good	2.436 \| good	0.216 \| good
2025-07-19T14:00:00.000Z	20 \| good	1.935 \| good	8.047 \| good	22.14 \| good	1.292 \| good	1.771 \| good	0.202 \| good
2025-07-19T15:00:00.000Z	25 \| good	2.794 \| good	11.418 \| good	27.025 \| good	0.998 \| good	1.106 \| good	0.188 \| good
2025-07-19T16:00:00.000Z	31 \| good	5.403 \| good	23.12 \| good	33.621 \| good	0.855 \| good	0.935 \| good	0.184 \| good
2025-07-19T17:00:00.000Z	38 \| good	7.127 \| good	31.955 \| good	40.584 \| good	0.712 \| good	0.763 \| good	0.181 \| good
2025-07-19T18:00:00.000Z	44 \| good	7.535 \| good	33.155 \| good	44.328 \| good	0.569 \| good	0.592 \| good	0.178 \| good
2025-07-19T19:00:00.000Z	42 \| good	7.343 \| good	32.359 \| good	45.071 \| good	0.562 \| good	0.63 \| good	0.179 \| good
2025-07-19T20:00:00.000Z	39 \| good	5.776 \| good	25.078 \| good	41.959 \| good	0.556 \| good	0.669 \| good	0.181 \| good
2025-07-19T21:00:00.000Z	38 \| good	7.025 \| good	31.168 \| good	40.134 \| good	0.55 \| good	0.707 \| good	0.182 \| good
2025-07-19T22:00:00.000Z	44 \| good	7.525 \| good	33.044 \| good	41.783 \| good	0.523 \| good	1.272 \| good	0.19 \| good
2025-07-19T23:00:00.000Z	44 \| good	7.944 \| good	35.048 \| good	41.932 \| good	0.496 \| good	1.836 \| good	0.199 \| good
2025-07-20T00:00:00.000Z	38 \| good	6.934 \| good	31.05 \| good	35.914 \| good	0.47 \| good	2.401 \| good	0.207 \| good
2025-07-20T01:00:00.000Z	33 \| good	6.391 \| good	28.727 \| good	30.465 \| good	0.517 \| good	2.708 \| good	0.213 \| good
2025-07-20T02:00:00.000Z	33 \| good	6.032 \| good	26.723 \| good	30.862 \| good	0.563 \| good	3.016 \| good	0.219 \| good
2025-07-20T03:00:00.000Z	38 \| good	6.686 \| good	29.724 \| good	28.526 \| good	0.61 \| good	3.324 \| good	0.224 \| good
2025-07-20T04:00:00.000Z	38 \| good	6.628 \| good	29.627 \| good	27.433 \| good	1.05 \| good	3.164 \| good	0.223 \| good
2025-07-20T05:00:00.000Z	38 \| good	6.769 \| good	29.9 \| good	19.595 \| good	1.491 \| good	3.004 \| good	0.221 \| good
2025-07-20T06:00:00.000Z	60 \| moderate	14.223 \| fine	14.511 \| good	41.138 \| good	1.9 \| good	2.852 \| good	0.22 \| good
2025-07-20T07:00:00.000Z	33 \| good	5.881 \| good	26.281 \| good	16.054 \| good	2.045 \| good	2.556 \| good	0.209 \| good
2025-07-20T08:00:00.000Z	33 \| good	5.747 \| good	24.801 \| good	15.814 \| good	2.16 \| good	2.267 \| good	0.2 \| 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)

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?