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

Currently, Chestnuthill, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.399 ppb.

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

The current ozone (O3) level in Chestnuthill, Pennsylvania at the moment is 19.644 ppm.

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

Nitrogen dioxide (NO2) level in Chestnuthill, Pennsylvania at the moment is 3.057 ppb.

Live air quality index in Chestnuthill, Pennsylvania today

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

PM2.5 levels in Chestnuthill, Pennsylvania are currently 3.977 μg/m3.

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

The PM10 concentration in Chestnuthill, Pennsylvania is 23.275 μg/m3 at the moment.

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

Live AQI (Air Quality Index)

Good

Chestnuthill, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Chestnuthill, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.27 μg/m³

155

255

425

605+

Ozone (O₃)

19.64 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Chestnuthill, Pennsylvania

Get Live Pollen Counts

Chestnuthill, Pennsylvania

Scroll To Air Quality Map

Track live Chestnuthill, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-18T23:00:00.000Z	30 \| good	3.587 \| good	12.479 \| good	32.379 \| good	0.259 \| good	8.916 \| good	0.305 \| good
2026-09-19T00:00:00.000Z	31 \| good	3.653 \| good	17.396 \| good	32.892 \| good	0.503 \| good	13.085 \| good	0.383 \| good
2026-09-19T01:00:00.000Z	28 \| good	3.706 \| good	15.193 \| good	29.803 \| good	0.453 \| good	12.69 \| good	0.383 \| good
2026-09-19T02:00:00.000Z	28 \| good	3.692 \| good	18.149 \| good	30.436 \| good	0.249 \| good	15.102 \| good	0.398 \| good
2026-09-19T03:00:00.000Z	19 \| good	1.753 \| good	7.263 \| good	20.88 \| good	0.206 \| good	1.891 \| good	0.187 \| good
2026-09-19T04:00:00.000Z	22 \| good	4.132 \| good	18.562 \| good	24.2 \| good	0.297 \| good	12.063 \| good	0.323 \| good
2026-09-19T05:00:00.000Z	22 \| good	4.247 \| good	18.676 \| good	22.132 \| good	0.322 \| good	11.97 \| good	0.324 \| good
2026-09-19T06:00:00.000Z	22 \| good	3.993 \| good	17.9 \| good	17.018 \| good	0.254 \| good	13.397 \| good	0.282 \| good
2026-09-19T07:00:00.000Z	22 \| good	3.879 \| good	17.101 \| good	18.895 \| good	0.234 \| good	11.969 \| good	0.261 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.795 \| good	16.232 \| good	18.991 \| good	0.214 \| good	10.002 \| good	0.245 \| good
2026-09-19T09:00:00.000Z	22 \| good	3.824 \| good	16.704 \| good	19.807 \| good	0.355 \| good	10.78 \| good	0.224 \| good
2026-09-19T10:00:00.000Z	22 \| good	4.198 \| good	17.481 \| good	20.501 \| good	0.228 \| good	11.77 \| good	0.267 \| good
2026-09-19T11:00:00.000Z	19 \| good	3.121 \| good	12.376 \| good	21.188 \| good	0.273 \| good	9.934 \| good	0.245 \| good
2026-09-19T12:00:00.000Z	19 \| good	3.244 \| good	14.596 \| good	21.117 \| good	0.377 \| good	9.891 \| good	0.303 \| good
2026-09-19T13:00:00.000Z	20 \| good	3.356 \| good	15.942 \| good	22.486 \| good	0.418 \| good	7.704 \| good	0.325 \| good
2026-09-19T14:00:00.000Z	20 \| good	2.964 \| good	12.683 \| good	22.385 \| good	0.28 \| good	5.446 \| good	0.304 \| good
2026-09-19T15:00:00.000Z	20 \| good	2.976 \| good	13.539 \| good	21.778 \| good	0.216 \| good	4.379 \| good	0.303 \| good
2026-09-19T16:00:00.000Z	23 \| good	2.963 \| good	13.647 \| good	24.575 \| good	0.19 \| good	4.137 \| good	0.26 \| good
2026-09-19T17:00:00.000Z	27 \| good	2.583 \| good	11.499 \| good	29.428 \| good	0.258 \| good	2.151 \| good	0.282 \| good
2026-09-19T18:00:00.000Z	29 \| good	3.265 \| good	15.545 \| good	31.375 \| good	0.217 \| good	2.537 \| good	0.282 \| good
2026-09-19T19:00:00.000Z	31 \| good	3.524 \| good	20.251 \| good	34.406 \| good	0.463 \| good	2.425 \| good	0.26 \| good
2026-09-19T20:00:00.000Z	31 \| good	4.535 \| good	18.123 \| good	32.785 \| good	0.51 \| good	3.117 \| good	0.282 \| good
2026-09-19T21:00:00.000Z	33 \| good	6.128 \| good	24.398 \| good	32.528 \| good	0.337 \| good	3.65 \| good	0.282 \| good
2026-09-19T22:00:00.000Z	33 \| good	5.672 \| good	23.258 \| good	34.05 \| good	0.377 \| good	3.571 \| good	0.282 \| good
2026-09-19T23:00:00.000Z	28 \| good	4.699 \| good	25.617 \| good	30.42 \| good	0.323 \| good	4.327 \| good	0.282 \| good
2026-09-20T00:00:00.000Z	27 \| good	5.345 \| good	21.369 \| good	28.987 \| good	0.577 \| good	3.005 \| good	0.282 \| good
2026-09-20T01:00:00.000Z	27 \| good	5.404 \| good	22.287 \| good	27.703 \| good	0.28 \| good	4.211 \| good	0.282 \| good
2026-09-20T02:00:00.000Z	25 \| good	4.229 \| good	17.597 \| good	27.44 \| good	0.318 \| good	5.193 \| good	0.282 \| good
2026-09-20T03:00:00.000Z	17 \| good	1.939 \| good	8.181 \| good	18.142 \| good	0.48 \| good	4.112 \| good	0.2 \| good
2026-09-20T04:00:00.000Z	23 \| good	4.239 \| good	18.476 \| good	24.711 \| good	0.233 \| good	2.339 \| good	0.282 \| good
2026-09-20T05:00:00.000Z	22 \| good	4.088 \| good	18.009 \| good	21.97 \| good	0.347 \| good	2.503 \| good	0.282 \| good
2026-09-20T06:00:00.000Z	27 \| good	4.519 \| good	21.516 \| good	22.149 \| good	0.365 \| good	3.632 \| good	0.282 \| good
2026-09-20T07:00:00.000Z	22 \| good	4.401 \| good	20.427 \| good	23.04 \| good	0.249 \| good	3.776 \| good	0.26 \| good
2026-09-20T08:00:00.000Z	21 \| good	3.327 \| good	14.414 \| good	23.112 \| good	0.267 \| good	3.984 \| good	0.26 \| good
2026-09-20T09:00:00.000Z	21 \| good	3.356 \| good	16.52 \| good	22.848 \| good	0.204 \| good	4.995 \| good	0.26 \| good
2026-09-20T10:00:00.000Z	19 \| good	2.71 \| good	12.592 \| good	21.029 \| good	0.239 \| good	4.145 \| good	0.26 \| good
2026-09-20T11:00:00.000Z	20 \| good	2.117 \| good	8.518 \| good	22.133 \| good	0.363 \| good	4.58 \| good	0.26 \| good
2026-09-20T12:00:00.000Z	19 \| good	1.878 \| good	8.188 \| good	20.325 \| good	0.28 \| good	4.35 \| good	0.285 \| good
2026-09-20T13:00:00.000Z	20 \| good	1.514 \| good	7.55 \| good	22.298 \| good	0.332 \| good	4.215 \| good	0.303 \| good
2026-09-20T14:00:00.000Z	20 \| good	1.439 \| good	6.627 \| good	22.477 \| good	0.343 \| good	3.335 \| good	0.282 \| good
2026-09-20T15:00:00.000Z	21 \| good	2.373 \| good	11.271 \| good	23.28 \| good	0.273 \| good	3.423 \| good	0.303 \| good
2026-09-20T16:00:00.000Z	19 \| good	3.318 \| good	17.124 \| good	20.979 \| good	0.318 \| good	2.816 \| good	0.325 \| good
2026-09-20T17:00:00.000Z	20 \| good	3.156 \| good	14.552 \| good	21.72 \| good	0.31 \| good	3.913 \| good	0.345 \| good
2026-09-20T18:00:00.000Z	23 \| good	2.769 \| good	14.132 \| good	24.809 \| good	0.514 \| good	3.81 \| good	0.303 \| good
2026-09-20T19:00:00.000Z	23 \| good	2.882 \| good	16.911 \| good	25.376 \| good	0.498 \| good	2.676 \| good	0.304 \| good
2026-09-20T20:00:00.000Z	19 \| good	3.301 \| good	13.431 \| good	21.057 \| good	0.353 \| good	2.867 \| good	0.304 \| good
2026-09-20T21:00:00.000Z	22 \| good	3.977 \| good	23.275 \| good	19.644 \| good	0.399 \| good	3.057 \| good	0.304 \| good
2026-09-20T22:00:00.000Z	38 \| good	6.545 \| good	22.543 \| good	22.785 \| good	0.315 \| good	6.808 \| good	0.359 \| good
2026-09-20T22:00:00.000Z	22 \| good	3.977 \| good	23.275 \| good	19.644 \| good	0.399 \| good	3.057 \| good	0.304 \| good
2026-09-20T23:00:00.000Z	60 \| moderate	13.694 \| fine	61.09 \| fine	12.88 \| good	0.464 \| good	4.341 \| good	0.211 \| good
2026-09-21T00:00:00.000Z	60 \| moderate	13.704 \| fine	61.268 \| fine	11.728 \| good	0.422 \| good	4.881 \| good	0.214 \| good
2026-09-21T01:00:00.000Z	60 \| moderate	14.34 \| fine	64.491 \| fine	7.744 \| good	0.397 \| good	4.639 \| good	0.216 \| good
2026-09-21T02:00:00.000Z	52 \| moderate	9.974 \| good	44.137 \| good	7.089 \| good	0.369 \| good	3.888 \| good	0.214 \| good
2026-09-21T03:00:00.000Z	38 \| good	7.113 \| good	31.494 \| good	11.636 \| good	0.339 \| good	3.113 \| good	0.21 \| good
2026-09-21T04:00:00.000Z	27 \| good	4.71 \| good	20.572 \| good	18.201 \| good	0.313 \| good	2.637 \| good	0.207 \| good
2026-09-21T05:00:00.000Z	27 \| good	4.96 \| good	21.271 \| good	19.617 \| good	0.295 \| good	2.224 \| good	0.202 \| good
2026-09-21T06:00:00.000Z	27 \| good	4.997 \| good	21.724 \| good	20.033 \| good	0.281 \| good	1.994 \| good	0.198 \| good
2026-09-21T07:00:00.000Z	27 \| good	5.468 \| good	23.627 \| good	16.697 \| good	0.262 \| good	1.914 \| good	0.194 \| good
2026-09-21T08:00:00.000Z	33 \| good	6.432 \| good	28.57 \| good	9.474 \| good	0.247 \| good	1.862 \| good	0.191 \| good
2026-09-21T09:00:00.000Z	33 \| good	5.83 \| good	25.504 \| good	8.36 \| good	0.239 \| good	1.726 \| good	0.189 \| good
2026-09-21T10:00:00.000Z	22 \| good	4.413 \| good	19.358 \| good	9.811 \| good	0.237 \| good	1.601 \| good	0.188 \| good
2026-09-21T11:00:00.000Z	16 \| good	2.987 \| good	12.122 \| good	11.12 \| good	0.252 \| good	1.546 \| good	0.188 \| good
2026-09-21T12:00:00.000Z	16 \| good	2.736 \| good	10.931 \| good	13.587 \| good	0.285 \| good	1.481 \| good	0.192 \| good
2026-09-21T13:00:00.000Z	17 \| good	3.457 \| good	15.203 \| good	18.405 \| good	0.353 \| good	1.229 \| good	0.194 \| good
2026-09-21T14:00:00.000Z	22 \| good	3.93 \| good	17.121 \| good	22.778 \| good	0.424 \| good	0.927 \| good	0.193 \| good
2026-09-21T15:00:00.000Z	27 \| good	5.058 \| good	21.843 \| good	26.438 \| good	0.454 \| good	0.712 \| good	0.19 \| good
2026-09-21T16:00:00.000Z	29 \| good	4.904 \| good	21.011 \| good	30.505 \| good	0.446 \| good	0.581 \| good	0.185 \| good
2026-09-21T17:00:00.000Z	31 \| good	4.052 \| good	17.959 \| good	32.792 \| good	0.439 \| good	0.513 \| good	0.182 \| good
2026-09-21T18:00:00.000Z	31 \| good	3.035 \| good	12.941 \| good	33.61 \| good	0.434 \| good	0.495 \| good	0.18 \| good
2026-09-21T19:00:00.000Z	31 \| good	2.694 \| good	11.027 \| good	33.871 \| good	0.43 \| good	0.522 \| good	0.179 \| good
2026-09-21T20:00:00.000Z	31 \| good	2.998 \| good	12.797 \| good	32.835 \| good	0.428 \| good	0.589 \| good	0.178 \| good
2026-09-21T21:00:00.000Z	29 \| good	4.078 \| good	17.82 \| good	31.368 \| good	0.423 \| good	0.764 \| good	0.179 \| good
2026-09-21T22:00:00.000Z	27 \| good	3.59 \| good	15.935 \| good	29.329 \| good	0.41 \| good	1.554 \| good	0.186 \| good
2026-09-21T23:00:00.000Z	26 \| good	3.825 \| good	16.779 \| good	28.022 \| good	0.409 \| good	3.087 \| good	0.199 \| good
2026-09-22T00:00:00.000Z	22 \| good	4.159 \| good	18.32 \| good	22.05 \| good	0.412 \| good	3.644 \| good	0.203 \| good
2026-09-22T01:00:00.000Z	27 \| good	5.207 \| good	22.333 \| good	20.01 \| good	0.41 \| good	3.978 \| good	0.204 \| good
2026-09-22T02:00:00.000Z	27 \| good	5.101 \| good	22.053 \| good	21.261 \| good	0.412 \| good	4.062 \| good	0.201 \| good
2026-09-22T03:00:00.000Z	22 \| good	4.186 \| good	18.115 \| good	21.374 \| good	0.424 \| good	4.203 \| good	0.2 \| good
2026-09-22T04:00:00.000Z	22 \| good	3.652 \| good	15.906 \| good	20.391 \| good	0.441 \| good	4.349 \| good	0.199 \| good
2026-09-22T05:00:00.000Z	22 \| good	3.936 \| good	17.259 \| good	19.057 \| good	0.444 \| good	4.37 \| good	0.199 \| good
2026-09-22T06:00:00.000Z	18 \| good	3.493 \| good	15.336 \| good	18.63 \| good	0.434 \| good	4.254 \| good	0.197 \| good
2026-09-22T07:00:00.000Z	22 \| good	3.871 \| good	16.757 \| good	17.816 \| good	0.412 \| good	4.102 \| good	0.196 \| good
2026-09-22T08:00:00.000Z	27 \| good	4.599 \| good	19.786 \| good	16.199 \| good	0.386 \| good	3.843 \| good	0.193 \| good
2026-09-22T09:00:00.000Z	22 \| good	3.99 \| good	17.353 \| good	14.774 \| good	0.36 \| good	3.542 \| good	0.19 \| good
2026-09-22T10:00:00.000Z	16 \| good	2.523 \| good	10.267 \| good	16.077 \| good	0.337 \| good	3.305 \| good	0.187 \| good
2026-09-22T11:00:00.000Z	14 \| good	1.959 \| good	8.04 \| good	15.184 \| good	0.323 \| good	3.281 \| good	0.186 \| good
2026-09-22T12:00:00.000Z	14 \| good	2.137 \| good	8.818 \| good	15.412 \| good	0.313 \| good	3.527 \| good	0.187 \| good
2026-09-22T13:00:00.000Z	17 \| good	2.152 \| good	8.869 \| good	17.633 \| good	0.3 \| good	3.756 \| good	0.191 \| good
2026-09-22T14:00:00.000Z	19 \| good	1.504 \| good	5.898 \| good	21.375 \| good	0.287 \| good	3.525 \| good	0.192 \| good
2026-09-22T15:00:00.000Z	22 \| good	0.952 \| good	4 \| good	24.263 \| good	0.269 \| good	2.848 \| good	0.192 \| good
2026-09-22T16:00:00.000Z	22 \| good	0.183 \| good	0.129 \| good	23.794 \| good	0.289 \| good	1.979 \| good	0.184 \| good
2026-09-22T17:00:00.000Z	21 \| good	0.333 \| good	1.061 \| good	22.568 \| good	0.306 \| good	1.652 \| good	0.177 \| good
2026-09-22T18:00:00.000Z	19 \| good	0.754 \| good	2.926 \| good	20.95 \| good	0.299 \| good	1.555 \| good	0.173 \| good
2026-09-22T19:00:00.000Z	18 \| good	1.265 \| good	5.061 \| good	19.021 \| good	0.287 \| good	1.574 \| good	0.17 \| good
2026-09-22T20:00:00.000Z	18 \| good	1.866 \| good	7.553 \| good	18.726 \| good	0.291 \| good	1.679 \| good	0.17 \| good
2026-09-22T21:00:00.000Z	19 \| good	1.43 \| good	5.547 \| good	20.378 \| good	0.288 \| good	1.935 \| good	0.173 \| good
2026-09-22T22:00:00.000Z	18 \| good	0.223 \| good	0.916 \| good	19.253 \| good	0.284 \| good	2.505 \| good	0.179 \| good

Chestnuthill

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

0.30ppm

How accurate is Pennsylvania, USA air quality data?

Air quality and pollutant data for Pennsylvania, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Chestnuthill, Pennsylvania?

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

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

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

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

In the last 24 hours, the best air quality in Chestnuthill, Pennsylvania was observed at 03:00:00 on 2026-09-20.

What is the AQI in Chestnuthill, Pennsylvania right now?

As of now, the AQI in Chestnuthill, Pennsylvania is 22, indicating Good conditions.

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

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

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

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

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

PM_2.5 levels in Chestnuthill, Pennsylvania are currently 3.977 μg/m³.

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

The PM₁₀ concentration in Chestnuthill, Pennsylvania is 23.275 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Chestnuthill, Pennsylvania is 0.304 ppm.

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

Currently, Chestnuthill, Pennsylvania has a sulfur dioxide (SO₂) concentration of 0.399 ppb.

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

The current ozone (O₃) level in Chestnuthill, Pennsylvania at the moment is 19.644 ppm.

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

Nitrogen dioxide (NO₂) level in Chestnuthill, Pennsylvania at the moment is 3.057 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-18T23:00:00.000Z	30 \| good	3.587 \| good	12.479 \| good	32.379 \| good	0.259 \| good	8.916 \| good	0.305 \| good
2026-09-19T00:00:00.000Z	31 \| good	3.653 \| good	17.396 \| good	32.892 \| good	0.503 \| good	13.085 \| good	0.383 \| good
2026-09-19T01:00:00.000Z	28 \| good	3.706 \| good	15.193 \| good	29.803 \| good	0.453 \| good	12.69 \| good	0.383 \| good
2026-09-19T02:00:00.000Z	28 \| good	3.692 \| good	18.149 \| good	30.436 \| good	0.249 \| good	15.102 \| good	0.398 \| good
2026-09-19T03:00:00.000Z	19 \| good	1.753 \| good	7.263 \| good	20.88 \| good	0.206 \| good	1.891 \| good	0.187 \| good
2026-09-19T04:00:00.000Z	22 \| good	4.132 \| good	18.562 \| good	24.2 \| good	0.297 \| good	12.063 \| good	0.323 \| good
2026-09-19T05:00:00.000Z	22 \| good	4.247 \| good	18.676 \| good	22.132 \| good	0.322 \| good	11.97 \| good	0.324 \| good
2026-09-19T06:00:00.000Z	22 \| good	3.993 \| good	17.9 \| good	17.018 \| good	0.254 \| good	13.397 \| good	0.282 \| good
2026-09-19T07:00:00.000Z	22 \| good	3.879 \| good	17.101 \| good	18.895 \| good	0.234 \| good	11.969 \| good	0.261 \| good
2026-09-19T08:00:00.000Z	22 \| good	3.795 \| good	16.232 \| good	18.991 \| good	0.214 \| good	10.002 \| good	0.245 \| good
2026-09-19T09:00:00.000Z	22 \| good	3.824 \| good	16.704 \| good	19.807 \| good	0.355 \| good	10.78 \| good	0.224 \| good
2026-09-19T10:00:00.000Z	22 \| good	4.198 \| good	17.481 \| good	20.501 \| good	0.228 \| good	11.77 \| good	0.267 \| good
2026-09-19T11:00:00.000Z	19 \| good	3.121 \| good	12.376 \| good	21.188 \| good	0.273 \| good	9.934 \| good	0.245 \| good
2026-09-19T12:00:00.000Z	19 \| good	3.244 \| good	14.596 \| good	21.117 \| good	0.377 \| good	9.891 \| good	0.303 \| good
2026-09-19T13:00:00.000Z	20 \| good	3.356 \| good	15.942 \| good	22.486 \| good	0.418 \| good	7.704 \| good	0.325 \| good
2026-09-19T14:00:00.000Z	20 \| good	2.964 \| good	12.683 \| good	22.385 \| good	0.28 \| good	5.446 \| good	0.304 \| good
2026-09-19T15:00:00.000Z	20 \| good	2.976 \| good	13.539 \| good	21.778 \| good	0.216 \| good	4.379 \| good	0.303 \| good
2026-09-19T16:00:00.000Z	23 \| good	2.963 \| good	13.647 \| good	24.575 \| good	0.19 \| good	4.137 \| good	0.26 \| good
2026-09-19T17:00:00.000Z	27 \| good	2.583 \| good	11.499 \| good	29.428 \| good	0.258 \| good	2.151 \| good	0.282 \| good
2026-09-19T18:00:00.000Z	29 \| good	3.265 \| good	15.545 \| good	31.375 \| good	0.217 \| good	2.537 \| good	0.282 \| good
2026-09-19T19:00:00.000Z	31 \| good	3.524 \| good	20.251 \| good	34.406 \| good	0.463 \| good	2.425 \| good	0.26 \| good
2026-09-19T20:00:00.000Z	31 \| good	4.535 \| good	18.123 \| good	32.785 \| good	0.51 \| good	3.117 \| good	0.282 \| good
2026-09-19T21:00:00.000Z	33 \| good	6.128 \| good	24.398 \| good	32.528 \| good	0.337 \| good	3.65 \| good	0.282 \| good
2026-09-19T22:00:00.000Z	33 \| good	5.672 \| good	23.258 \| good	34.05 \| good	0.377 \| good	3.571 \| good	0.282 \| good
2026-09-19T23:00:00.000Z	28 \| good	4.699 \| good	25.617 \| good	30.42 \| good	0.323 \| good	4.327 \| good	0.282 \| good
2026-09-20T00:00:00.000Z	27 \| good	5.345 \| good	21.369 \| good	28.987 \| good	0.577 \| good	3.005 \| good	0.282 \| good
2026-09-20T01:00:00.000Z	27 \| good	5.404 \| good	22.287 \| good	27.703 \| good	0.28 \| good	4.211 \| good	0.282 \| good
2026-09-20T02:00:00.000Z	25 \| good	4.229 \| good	17.597 \| good	27.44 \| good	0.318 \| good	5.193 \| good	0.282 \| good
2026-09-20T03:00:00.000Z	17 \| good	1.939 \| good	8.181 \| good	18.142 \| good	0.48 \| good	4.112 \| good	0.2 \| good
2026-09-20T04:00:00.000Z	23 \| good	4.239 \| good	18.476 \| good	24.711 \| good	0.233 \| good	2.339 \| good	0.282 \| good
2026-09-20T05:00:00.000Z	22 \| good	4.088 \| good	18.009 \| good	21.97 \| good	0.347 \| good	2.503 \| good	0.282 \| good
2026-09-20T06:00:00.000Z	27 \| good	4.519 \| good	21.516 \| good	22.149 \| good	0.365 \| good	3.632 \| good	0.282 \| good
2026-09-20T07:00:00.000Z	22 \| good	4.401 \| good	20.427 \| good	23.04 \| good	0.249 \| good	3.776 \| good	0.26 \| good
2026-09-20T08:00:00.000Z	21 \| good	3.327 \| good	14.414 \| good	23.112 \| good	0.267 \| good	3.984 \| good	0.26 \| good
2026-09-20T09:00:00.000Z	21 \| good	3.356 \| good	16.52 \| good	22.848 \| good	0.204 \| good	4.995 \| good	0.26 \| good
2026-09-20T10:00:00.000Z	19 \| good	2.71 \| good	12.592 \| good	21.029 \| good	0.239 \| good	4.145 \| good	0.26 \| good
2026-09-20T11:00:00.000Z	20 \| good	2.117 \| good	8.518 \| good	22.133 \| good	0.363 \| good	4.58 \| good	0.26 \| good
2026-09-20T12:00:00.000Z	19 \| good	1.878 \| good	8.188 \| good	20.325 \| good	0.28 \| good	4.35 \| good	0.285 \| good
2026-09-20T13:00:00.000Z	20 \| good	1.514 \| good	7.55 \| good	22.298 \| good	0.332 \| good	4.215 \| good	0.303 \| good
2026-09-20T14:00:00.000Z	20 \| good	1.439 \| good	6.627 \| good	22.477 \| good	0.343 \| good	3.335 \| good	0.282 \| good
2026-09-20T15:00:00.000Z	21 \| good	2.373 \| good	11.271 \| good	23.28 \| good	0.273 \| good	3.423 \| good	0.303 \| good
2026-09-20T16:00:00.000Z	19 \| good	3.318 \| good	17.124 \| good	20.979 \| good	0.318 \| good	2.816 \| good	0.325 \| good
2026-09-20T17:00:00.000Z	20 \| good	3.156 \| good	14.552 \| good	21.72 \| good	0.31 \| good	3.913 \| good	0.345 \| good
2026-09-20T18:00:00.000Z	23 \| good	2.769 \| good	14.132 \| good	24.809 \| good	0.514 \| good	3.81 \| good	0.303 \| good
2026-09-20T19:00:00.000Z	23 \| good	2.882 \| good	16.911 \| good	25.376 \| good	0.498 \| good	2.676 \| good	0.304 \| good
2026-09-20T20:00:00.000Z	19 \| good	3.301 \| good	13.431 \| good	21.057 \| good	0.353 \| good	2.867 \| good	0.304 \| good
2026-09-20T21:00:00.000Z	22 \| good	3.977 \| good	23.275 \| good	19.644 \| good	0.399 \| good	3.057 \| good	0.304 \| good
2026-09-20T22:00:00.000Z	38 \| good	6.545 \| good	22.543 \| good	22.785 \| good	0.315 \| good	6.808 \| good	0.359 \| good
2026-09-20T22:00:00.000Z	22 \| good	3.977 \| good	23.275 \| good	19.644 \| good	0.399 \| good	3.057 \| good	0.304 \| good
2026-09-20T23:00:00.000Z	60 \| moderate	13.694 \| fine	61.09 \| fine	12.88 \| good	0.464 \| good	4.341 \| good	0.211 \| good
2026-09-21T00:00:00.000Z	60 \| moderate	13.704 \| fine	61.268 \| fine	11.728 \| good	0.422 \| good	4.881 \| good	0.214 \| good
2026-09-21T01:00:00.000Z	60 \| moderate	14.34 \| fine	64.491 \| fine	7.744 \| good	0.397 \| good	4.639 \| good	0.216 \| good
2026-09-21T02:00:00.000Z	52 \| moderate	9.974 \| good	44.137 \| good	7.089 \| good	0.369 \| good	3.888 \| good	0.214 \| good
2026-09-21T03:00:00.000Z	38 \| good	7.113 \| good	31.494 \| good	11.636 \| good	0.339 \| good	3.113 \| good	0.21 \| good
2026-09-21T04:00:00.000Z	27 \| good	4.71 \| good	20.572 \| good	18.201 \| good	0.313 \| good	2.637 \| good	0.207 \| good
2026-09-21T05:00:00.000Z	27 \| good	4.96 \| good	21.271 \| good	19.617 \| good	0.295 \| good	2.224 \| good	0.202 \| good
2026-09-21T06:00:00.000Z	27 \| good	4.997 \| good	21.724 \| good	20.033 \| good	0.281 \| good	1.994 \| good	0.198 \| good
2026-09-21T07:00:00.000Z	27 \| good	5.468 \| good	23.627 \| good	16.697 \| good	0.262 \| good	1.914 \| good	0.194 \| good
2026-09-21T08:00:00.000Z	33 \| good	6.432 \| good	28.57 \| good	9.474 \| good	0.247 \| good	1.862 \| good	0.191 \| good
2026-09-21T09:00:00.000Z	33 \| good	5.83 \| good	25.504 \| good	8.36 \| good	0.239 \| good	1.726 \| good	0.189 \| good
2026-09-21T10:00:00.000Z	22 \| good	4.413 \| good	19.358 \| good	9.811 \| good	0.237 \| good	1.601 \| good	0.188 \| good
2026-09-21T11:00:00.000Z	16 \| good	2.987 \| good	12.122 \| good	11.12 \| good	0.252 \| good	1.546 \| good	0.188 \| good
2026-09-21T12:00:00.000Z	16 \| good	2.736 \| good	10.931 \| good	13.587 \| good	0.285 \| good	1.481 \| good	0.192 \| good
2026-09-21T13:00:00.000Z	17 \| good	3.457 \| good	15.203 \| good	18.405 \| good	0.353 \| good	1.229 \| good	0.194 \| good
2026-09-21T14:00:00.000Z	22 \| good	3.93 \| good	17.121 \| good	22.778 \| good	0.424 \| good	0.927 \| good	0.193 \| good
2026-09-21T15:00:00.000Z	27 \| good	5.058 \| good	21.843 \| good	26.438 \| good	0.454 \| good	0.712 \| good	0.19 \| good
2026-09-21T16:00:00.000Z	29 \| good	4.904 \| good	21.011 \| good	30.505 \| good	0.446 \| good	0.581 \| good	0.185 \| good
2026-09-21T17:00:00.000Z	31 \| good	4.052 \| good	17.959 \| good	32.792 \| good	0.439 \| good	0.513 \| good	0.182 \| good
2026-09-21T18:00:00.000Z	31 \| good	3.035 \| good	12.941 \| good	33.61 \| good	0.434 \| good	0.495 \| good	0.18 \| good
2026-09-21T19:00:00.000Z	31 \| good	2.694 \| good	11.027 \| good	33.871 \| good	0.43 \| good	0.522 \| good	0.179 \| good
2026-09-21T20:00:00.000Z	31 \| good	2.998 \| good	12.797 \| good	32.835 \| good	0.428 \| good	0.589 \| good	0.178 \| good
2026-09-21T21:00:00.000Z	29 \| good	4.078 \| good	17.82 \| good	31.368 \| good	0.423 \| good	0.764 \| good	0.179 \| good
2026-09-21T22:00:00.000Z	27 \| good	3.59 \| good	15.935 \| good	29.329 \| good	0.41 \| good	1.554 \| good	0.186 \| good
2026-09-21T23:00:00.000Z	26 \| good	3.825 \| good	16.779 \| good	28.022 \| good	0.409 \| good	3.087 \| good	0.199 \| good
2026-09-22T00:00:00.000Z	22 \| good	4.159 \| good	18.32 \| good	22.05 \| good	0.412 \| good	3.644 \| good	0.203 \| good
2026-09-22T01:00:00.000Z	27 \| good	5.207 \| good	22.333 \| good	20.01 \| good	0.41 \| good	3.978 \| good	0.204 \| good
2026-09-22T02:00:00.000Z	27 \| good	5.101 \| good	22.053 \| good	21.261 \| good	0.412 \| good	4.062 \| good	0.201 \| good
2026-09-22T03:00:00.000Z	22 \| good	4.186 \| good	18.115 \| good	21.374 \| good	0.424 \| good	4.203 \| good	0.2 \| good
2026-09-22T04:00:00.000Z	22 \| good	3.652 \| good	15.906 \| good	20.391 \| good	0.441 \| good	4.349 \| good	0.199 \| good
2026-09-22T05:00:00.000Z	22 \| good	3.936 \| good	17.259 \| good	19.057 \| good	0.444 \| good	4.37 \| good	0.199 \| good
2026-09-22T06:00:00.000Z	18 \| good	3.493 \| good	15.336 \| good	18.63 \| good	0.434 \| good	4.254 \| good	0.197 \| good
2026-09-22T07:00:00.000Z	22 \| good	3.871 \| good	16.757 \| good	17.816 \| good	0.412 \| good	4.102 \| good	0.196 \| good
2026-09-22T08:00:00.000Z	27 \| good	4.599 \| good	19.786 \| good	16.199 \| good	0.386 \| good	3.843 \| good	0.193 \| good
2026-09-22T09:00:00.000Z	22 \| good	3.99 \| good	17.353 \| good	14.774 \| good	0.36 \| good	3.542 \| good	0.19 \| good
2026-09-22T10:00:00.000Z	16 \| good	2.523 \| good	10.267 \| good	16.077 \| good	0.337 \| good	3.305 \| good	0.187 \| good
2026-09-22T11:00:00.000Z	14 \| good	1.959 \| good	8.04 \| good	15.184 \| good	0.323 \| good	3.281 \| good	0.186 \| good
2026-09-22T12:00:00.000Z	14 \| good	2.137 \| good	8.818 \| good	15.412 \| good	0.313 \| good	3.527 \| good	0.187 \| good
2026-09-22T13:00:00.000Z	17 \| good	2.152 \| good	8.869 \| good	17.633 \| good	0.3 \| good	3.756 \| good	0.191 \| good
2026-09-22T14:00:00.000Z	19 \| good	1.504 \| good	5.898 \| good	21.375 \| good	0.287 \| good	3.525 \| good	0.192 \| good
2026-09-22T15:00:00.000Z	22 \| good	0.952 \| good	4 \| good	24.263 \| good	0.269 \| good	2.848 \| good	0.192 \| good
2026-09-22T16:00:00.000Z	22 \| good	0.183 \| good	0.129 \| good	23.794 \| good	0.289 \| good	1.979 \| good	0.184 \| good
2026-09-22T17:00:00.000Z	21 \| good	0.333 \| good	1.061 \| good	22.568 \| good	0.306 \| good	1.652 \| good	0.177 \| good
2026-09-22T18:00:00.000Z	19 \| good	0.754 \| good	2.926 \| good	20.95 \| good	0.299 \| good	1.555 \| good	0.173 \| good
2026-09-22T19:00:00.000Z	18 \| good	1.265 \| good	5.061 \| good	19.021 \| good	0.287 \| good	1.574 \| good	0.17 \| good
2026-09-22T20:00:00.000Z	18 \| good	1.866 \| good	7.553 \| good	18.726 \| good	0.291 \| good	1.679 \| good	0.17 \| good
2026-09-22T21:00:00.000Z	19 \| good	1.43 \| good	5.547 \| good	20.378 \| good	0.288 \| good	1.935 \| good	0.173 \| good
2026-09-22T22:00:00.000Z	18 \| good	0.223 \| good	0.916 \| good	19.253 \| good	0.284 \| good	2.505 \| good	0.179 \| good

Live air quality index in Chestnuthill, Pennsylvania today

Major air pollutants in Chestnuthill, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Bethlehem, Pennsylvania

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Frequently asked questions

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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