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

The current PM10 concentration at Westtown, Pennsylvania is 96.25 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Westtown, Pennsylvania is 0.589 ppb.

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

The current ozone (O3) concentration at Westtown, Pennsylvania is 9.297 ppm.

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

The current nitrogen dioxide (NO2) concentration at Westtown, Pennsylvania is 15.172 ppb.

Westtown, Pennsylvania live air quality index now

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

The current PM2.5 concentration at Westtown, Pennsylvania is 21.604 μg/m3.

Stay updated with real-time air quality in Westtown, 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)

Moderate

Westtown, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Westtown, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

21.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

96.25 μg/m³

155

255

425

605+

Ozone (O₃)

9.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.17 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.67 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Westtown, Pennsylvania

Get Live Pollen Counts

Westtown, Pennsylvania

Scroll To Air Quality Map

Track live Westtown, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T15:00:00.000Z	26 \| good	3.117 \| good	12.779 \| good	27.78 \| good	0.22 \| good	16.696 \| good	0.364 \| good
2025-12-05T16:00:00.000Z	24 \| good	3.674 \| good	14.694 \| good	26.059 \| good	0.225 \| good	16.038 \| good	0.342 \| good
2025-12-05T17:00:00.000Z	22 \| good	4.171 \| good	17.607 \| good	23.269 \| good	0.309 \| good	14.093 \| good	0.342 \| good
2025-12-05T18:00:00.000Z	22 \| good	3.647 \| good	17.106 \| good	24.295 \| good	0.491 \| good	15.871 \| good	0.364 \| good
2025-12-05T19:00:00.000Z	22 \| good	3.963 \| good	17.314 \| good	22.372 \| good	0.501 \| good	15.842 \| good	0.302 \| good
2025-12-05T20:00:00.000Z	22 \| good	4.157 \| good	15.479 \| good	21.871 \| good	0.44 \| good	18.858 \| good	0.364 \| good
2025-12-05T21:00:00.000Z	22 \| good	4.233 \| good	17.071 \| good	20.766 \| good	0.444 \| good	20.553 \| good	0.386 \| good
2025-12-05T22:00:00.000Z	27 \| good	4.814 \| good	24.335 \| good	16.238 \| good	0.374 \| good	23.066 \| good	0.421 \| good
2025-12-05T23:00:00.000Z	27 \| good	5.193 \| good	21.34 \| good	17 \| good	0.365 \| good	22.668 \| good	0.397 \| good
2025-12-06T00:00:00.000Z	27 \| good	5.428 \| good	25.847 \| good	17.776 \| good	0.349 \| good	19.839 \| good	0.364 \| good
2025-12-06T01:00:00.000Z	33 \| good	5.916 \| good	28.252 \| good	17.153 \| good	0.353 \| good	20.96 \| good	0.388 \| good
2025-12-06T02:00:00.000Z	33 \| good	6.38 \| good	24.516 \| good	11.416 \| good	0.356 \| good	20.603 \| good	0.415 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.453 \| good	26.374 \| good	14.215 \| good	0.362 \| good	21.147 \| good	0.431 \| good
2025-12-06T04:00:00.000Z	38 \| good	6.758 \| good	32.947 \| good	11.534 \| good	0.343 \| good	19.883 \| good	0.431 \| good
2025-12-06T05:00:00.000Z	44 \| good	8.397 \| good	38.401 \| good	8.855 \| good	0.282 \| good	21.84 \| good	0.431 \| good
2025-12-06T06:00:00.000Z	52 \| moderate	9.594 \| good	51.371 \| good	9.139 \| good	0.282 \| good	20.47 \| good	0.415 \| good
2025-12-06T07:00:00.000Z	49 \| good	8.952 \| good	39.297 \| good	7.545 \| good	0.281 \| good	19.172 \| good	0.415 \| good
2025-12-06T08:00:00.000Z	58 \| moderate	13.404 \| fine	39.882 \| good	8.007 \| good	0.29 \| good	17.459 \| good	0.431 \| good
2025-12-06T09:00:00.000Z	64 \| moderate	16.329 \| fine	30.685 \| good	10.447 \| good	0.298 \| good	13.711 \| good	0.426 \| good
2025-12-06T10:00:00.000Z	69 \| moderate	18.835 \| fine	86.314 \| fine	9.174 \| good	0.26 \| good	13.347 \| good	0.431 \| good
2025-12-06T11:00:00.000Z	69 \| moderate	19.12 \| fine	75.193 \| fine	7.492 \| good	0.244 \| good	13.238 \| good	0.409 \| good
2025-12-06T12:00:00.000Z	71 \| moderate	19.775 \| fine	79.479 \| fine	6.105 \| good	0.282 \| good	20.058 \| good	0.415 \| good
2025-12-06T13:00:00.000Z	69 \| moderate	19.076 \| fine	67.497 \| fine	4.523 \| good	0.295 \| good	18.808 \| good	0.431 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	23.062 \| fine	75.127 \| fine	7.296 \| good	0.369 \| good	16.919 \| good	0.477 \| good
2025-12-06T15:00:00.000Z	77 \| moderate	22.856 \| fine	96.812 \| fine	8.565 \| good	0.398 \| good	16.058 \| good	0.533 \| good
2025-12-06T16:00:00.000Z	77 \| moderate	22.669 \| fine	96.986 \| fine	7.942 \| good	0.383 \| good	13.003 \| good	0.547 \| good
2025-12-06T17:00:00.000Z	75 \| moderate	21.703 \| fine	95.312 \| fine	10.69 \| good	0.329 \| good	10.245 \| good	0.496 \| good
2025-12-06T18:00:00.000Z	75 \| moderate	22.468 \| fine	52.494 \| good	9.895 \| good	0.282 \| good	9.52 \| good	0.524 \| good
2025-12-06T19:00:00.000Z	75 \| moderate	22.442 \| fine	61.391 \| fine	16.191 \| good	0.238 \| good	7.449 \| good	0.451 \| good
2025-12-06T20:00:00.000Z	75 \| moderate	22.371 \| fine	60.245 \| fine	19.815 \| good	0.325 \| good	6.989 \| good	0.402 \| good
2025-12-06T21:00:00.000Z	67 \| moderate	17.534 \| fine	74.556 \| fine	18.545 \| good	0.247 \| good	6.494 \| good	0.369 \| good
2025-12-06T22:00:00.000Z	62 \| moderate	15.191 \| fine	54.722 \| good	19.651 \| good	0.234 \| good	13.066 \| good	0.375 \| good
2025-12-06T23:00:00.000Z	67 \| moderate	17.903 \| fine	80.375 \| fine	15.645 \| good	0.408 \| good	15.347 \| good	0.348 \| good
2025-12-07T00:00:00.000Z	71 \| moderate	20.118 \| fine	89.518 \| fine	16.413 \| good	0.532 \| good	18.319 \| good	0.37 \| good
2025-12-07T01:00:00.000Z	73 \| moderate	21.111 \| fine	90.537 \| fine	13.215 \| good	0.693 \| good	14.964 \| good	0.399 \| good
2025-12-07T02:00:00.000Z	86 \| moderate	27.612 \| fine	105.194 \| fine	11.346 \| good	0.866 \| good	14.343 \| good	0.464 \| good
2025-12-07T03:00:00.000Z	84 \| moderate	27.135 \| fine	105.68 \| fine	6.736 \| good	0.92 \| good	16.542 \| good	0.656 \| good
2025-12-07T04:00:00.000Z	90 \| moderate	30.026 \| fine	100.882 \| fine	4.95 \| good	0.946 \| good	14.701 \| good	0.68 \| good
2025-12-07T05:00:00.000Z	88 \| moderate	28.972 \| fine	105.579 \| fine	3.868 \| good	1.047 \| good	13.246 \| good	0.716 \| good
2025-12-07T06:00:00.000Z	84 \| moderate	26.543 \| fine	81.734 \| fine	5.03 \| good	1.141 \| good	17.686 \| good	0.686 \| good
2025-12-07T07:00:00.000Z	84 \| moderate	27.398 \| fine	50.793 \| good	4.982 \| good	1.066 \| good	17.369 \| good	0.702 \| good
2025-12-07T08:00:00.000Z	82 \| moderate	25.996 \| fine	78.806 \| fine	6.12 \| good	0.876 \| good	20.079 \| good	0.664 \| good
2025-12-07T09:00:00.000Z	82 \| moderate	25.617 \| fine	95.943 \| fine	13.479 \| good	0.683 \| good	17.601 \| good	0.582 \| good
2025-12-07T10:00:00.000Z	81 \| moderate	24.898 \| fine	45.917 \| good	10.524 \| good	0.554 \| good	18.161 \| good	0.538 \| good
2025-12-07T11:00:00.000Z	79 \| moderate	23.935 \| fine	68.911 \| fine	6.021 \| good	0.605 \| good	15.883 \| good	0.565 \| good
2025-12-07T12:00:00.000Z	75 \| moderate	21.518 \| fine	90.535 \| fine	6.923 \| good	0.612 \| good	15.66 \| good	0.654 \| good
2025-12-07T13:00:00.000Z	77 \| moderate	23.025 \| fine	74.606 \| fine	6.4 \| good	0.644 \| good	16.214 \| good	0.681 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	19.697 \| fine	89.842 \| fine	8.403 \| good	0.688 \| good	16.027 \| good	0.833 \| good
2025-12-07T14:00:00.000Z	75 \| moderate	21.604 \| fine	96.25 \| fine	9.297 \| good	0.589 \| good	15.172 \| good	0.671 \| good
2025-12-06T18:00:00.000Z	54 \| moderate	10.686 \| good	47.304 \| good	31.123 \| good	3.474 \| good	4.749 \| good	0.199 \| good
2025-12-06T19:00:00.000Z	54 \| moderate	10.8 \| good	47.869 \| good	29.701 \| good	3.504 \| good	5.416 \| good	0.201 \| good
2025-12-06T20:00:00.000Z	56 \| moderate	11.898 \| good	52.705 \| good	27.402 \| good	3.534 \| good	6.082 \| good	0.204 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.691 \| fine	61.506 \| fine	23.664 \| good	3.564 \| good	6.748 \| good	0.206 \| good
2025-12-06T22:00:00.000Z	60 \| moderate	14.249 \| fine	63.97 \| fine	20.669 \| good	3.611 \| good	9.341 \| good	0.228 \| good
2025-12-06T23:00:00.000Z	58 \| moderate	12.836 \| fine	58.091 \| fine	20.201 \| good	3.658 \| good	11.934 \| good	0.249 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.176 \| fine	54.726 \| good	19.743 \| good	3.705 \| good	14.527 \| good	0.271 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.874 \| fine	58.307 \| fine	19.556 \| good	3.873 \| good	13.693 \| good	0.264 \| good
2025-12-07T02:00:00.000Z	60 \| moderate	13.815 \| fine	62.357 \| fine	17.303 \| good	4.041 \| good	12.859 \| good	0.258 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.627 \| fine	73.694 \| fine	13.578 \| good	4.209 \| good	12.025 \| good	0.251 \| good
2025-12-07T04:00:00.000Z	66 \| moderate	17.372 \| fine	77.19 \| fine	10.166 \| good	3.928 \| good	10.131 \| good	0.234 \| good
2025-12-07T05:00:00.000Z	66 \| moderate	16.862 \| fine	74.621 \| fine	10.81 \| good	3.646 \| good	8.237 \| good	0.217 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.749 \| fine	70.117 \| fine	11.527 \| good	3.365 \| good	6.342 \| good	0.2 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.72 \| fine	70.007 \| fine	11.516 \| good	3.157 \| good	6.166 \| good	0.198 \| good
2025-12-07T08:00:00.000Z	66 \| moderate	17.117 \| fine	76.264 \| fine	10.764 \| good	2.949 \| good	5.989 \| good	0.197 \| good
2025-12-07T09:00:00.000Z	67 \| moderate	18.389 \| fine	81.06 \| fine	11.115 \| good	2.741 \| good	5.812 \| good	0.195 \| good
2025-12-07T10:00:00.000Z	69 \| moderate	19.063 \| fine	84.492 \| fine	10.134 \| good	2.716 \| good	7.378 \| good	0.208 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	19.366 \| fine	85.317 \| fine	8.409 \| good	2.69 \| good	8.944 \| good	0.221 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	19.601 \| fine	86.7 \| fine	8.23 \| good	2.665 \| good	10.509 \| good	0.233 \| good
2025-12-07T13:00:00.000Z	69 \| moderate	18.871 \| fine	83.674 \| fine	12.4 \| good	2.68 \| good	9.307 \| good	0.232 \| good
2025-12-07T14:00:00.000Z	64 \| moderate	16.321 \| fine	72.345 \| fine	19.309 \| good	2.695 \| good	8.104 \| good	0.23 \| good
2025-12-07T15:00:00.000Z	60 \| moderate	13.749 \| fine	61.954 \| fine	23.761 \| good	2.71 \| good	6.902 \| good	0.228 \| good
2025-12-07T16:00:00.000Z	56 \| moderate	12.466 \| fine	56.64 \| fine	28.301 \| good	2.752 \| good	5.879 \| good	0.213 \| good
2025-12-07T17:00:00.000Z	58 \| moderate	12.672 \| fine	57 \| fine	29.66 \| good	2.795 \| good	4.857 \| good	0.198 \| good
2025-12-07T18:00:00.000Z	58 \| moderate	12.748 \| fine	57.297 \| fine	30.436 \| good	2.837 \| good	3.834 \| good	0.183 \| good
2025-12-07T19:00:00.000Z	56 \| moderate	12.41 \| fine	55.999 \| fine	28.447 \| good	3.219 \| good	4.284 \| good	0.184 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	13.719 \| fine	61.271 \| fine	25.25 \| good	3.6 \| good	4.734 \| good	0.185 \| good
2025-12-07T21:00:00.000Z	66 \| moderate	16.556 \| fine	73.38 \| fine	23.08 \| good	3.981 \| good	5.184 \| good	0.186 \| good
2025-12-07T22:00:00.000Z	69 \| moderate	18.982 \| fine	83.976 \| fine	18.831 \| good	4.087 \| good	9.248 \| good	0.22 \| good
2025-12-07T23:00:00.000Z	73 \| moderate	20.603 \| fine	90.347 \| fine	16.328 \| good	4.193 \| good	13.311 \| good	0.255 \| good
2025-12-08T00:00:00.000Z	73 \| moderate	21.144 \| fine	92.81 \| fine	17.361 \| good	4.299 \| good	17.375 \| good	0.29 \| good
2025-12-08T01:00:00.000Z	73 \| moderate	20.99 \| fine	92.599 \| fine	16.622 \| good	4.43 \| good	17.711 \| good	0.295 \| good
2025-12-08T02:00:00.000Z	73 \| moderate	20.954 \| fine	92.492 \| fine	15.338 \| good	4.562 \| good	18.047 \| good	0.299 \| good
2025-12-08T03:00:00.000Z	73 \| moderate	20.805 \| fine	91.32 \| fine	14.794 \| good	4.693 \| good	18.383 \| good	0.304 \| good
2025-12-08T04:00:00.000Z	69 \| moderate	18.924 \| fine	83.518 \| fine	14.959 \| good	4.782 \| good	15.755 \| good	0.286 \| good
2025-12-08T05:00:00.000Z	64 \| moderate	15.943 \| fine	70.907 \| fine	17.581 \| good	4.872 \| good	13.128 \| good	0.268 \| good
2025-12-08T06:00:00.000Z	56 \| moderate	12.318 \| fine	55.834 \| fine	22.129 \| good	4.961 \| good	10.5 \| good	0.25 \| good
2025-12-08T07:00:00.000Z	44 \| good	8.265 \| good	36.244 \| good	25.595 \| good	4.216 \| good	8.473 \| good	0.231 \| good
2025-12-08T08:00:00.000Z	26 \| good	3.333 \| good	14.304 \| good	27.955 \| good	3.471 \| good	6.446 \| good	0.213 \| good
2025-12-08T09:00:00.000Z	28 \| good	1.465 \| good	5.933 \| good	30.171 \| good	2.726 \| good	4.419 \| good	0.195 \| good
2025-12-08T10:00:00.000Z	27 \| good	0.596 \| good	2.03 \| good	28.818 \| good	2.211 \| good	4.125 \| good	0.186 \| good
2025-12-08T11:00:00.000Z	24 \| good	1.478 \| good	5.927 \| good	26.03 \| good	1.696 \| good	3.83 \| good	0.177 \| good
2025-12-08T12:00:00.000Z	23 \| good	2.364 \| good	9.823 \| good	24.619 \| good	1.181 \| good	3.536 \| good	0.168 \| good
2025-12-08T13:00:00.000Z	27 \| good	2.053 \| good	8.187 \| good	28.707 \| good	1.009 \| good	3.145 \| good	0.164 \| good
2025-12-08T14:00:00.000Z	28 \| good	1.607 \| good	6.569 \| good	30.276 \| good	0.837 \| good	2.754 \| good	0.16 \| good
2025-12-08T15:00:00.000Z	29 \| good	0.864 \| good	3.03 \| good	31.434 \| good	0.665 \| good	2.363 \| good	0.155 \| good
2025-12-08T16:00:00.000Z	28 \| good	0.808 \| good	3 \| good	29.54 \| good	0.633 \| good	2.163 \| good	0.15 \| good
2025-12-08T17:00:00.000Z	25 \| good	0.844 \| good	3.159 \| good	27.473 \| good	0.601 \| good	1.962 \| good	0.145 \| good

Westtown

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Westtown, Pennsylvania air quality map: Track AQI near you

0.68ppm

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

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Frequently asked questions

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

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

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

The worst air quality in Westtown, Pennsylvania in the last 24 hours was observed at 04:00:00 on 2025-12-07.

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

In the last 24 hrs, the best air quality in Westtown, Pennsylvania was observed at 10:00:00 on 2025-12-06.

What is the current air quality in Westtown, Pennsylvania?

The current air quality in Westtown, Pennsylvania is 75, categorized as Moderate based on real-time data.

What pollutant is the most common in Westtown, Pennsylvania?

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

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

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

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

The current PM_2.5 concentration at Westtown, Pennsylvania is 21.604 μg/m³.

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

The current PM₁₀ concentration at Westtown, Pennsylvania is 96.25 μg/m³.

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

The current carbon monoxide (CO) concentration at Westtown, Pennsylvania is 0.671 ppm.

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

The current sulfur dioxide (SO₂) concentration at Westtown, Pennsylvania is 0.589 ppb.

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

The current ozone (O₃) concentration at Westtown, Pennsylvania is 9.297 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Westtown, Pennsylvania is 15.172 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T15:00:00.000Z	26 \| good	3.117 \| good	12.779 \| good	27.78 \| good	0.22 \| good	16.696 \| good	0.364 \| good
2025-12-05T16:00:00.000Z	24 \| good	3.674 \| good	14.694 \| good	26.059 \| good	0.225 \| good	16.038 \| good	0.342 \| good
2025-12-05T17:00:00.000Z	22 \| good	4.171 \| good	17.607 \| good	23.269 \| good	0.309 \| good	14.093 \| good	0.342 \| good
2025-12-05T18:00:00.000Z	22 \| good	3.647 \| good	17.106 \| good	24.295 \| good	0.491 \| good	15.871 \| good	0.364 \| good
2025-12-05T19:00:00.000Z	22 \| good	3.963 \| good	17.314 \| good	22.372 \| good	0.501 \| good	15.842 \| good	0.302 \| good
2025-12-05T20:00:00.000Z	22 \| good	4.157 \| good	15.479 \| good	21.871 \| good	0.44 \| good	18.858 \| good	0.364 \| good
2025-12-05T21:00:00.000Z	22 \| good	4.233 \| good	17.071 \| good	20.766 \| good	0.444 \| good	20.553 \| good	0.386 \| good
2025-12-05T22:00:00.000Z	27 \| good	4.814 \| good	24.335 \| good	16.238 \| good	0.374 \| good	23.066 \| good	0.421 \| good
2025-12-05T23:00:00.000Z	27 \| good	5.193 \| good	21.34 \| good	17 \| good	0.365 \| good	22.668 \| good	0.397 \| good
2025-12-06T00:00:00.000Z	27 \| good	5.428 \| good	25.847 \| good	17.776 \| good	0.349 \| good	19.839 \| good	0.364 \| good
2025-12-06T01:00:00.000Z	33 \| good	5.916 \| good	28.252 \| good	17.153 \| good	0.353 \| good	20.96 \| good	0.388 \| good
2025-12-06T02:00:00.000Z	33 \| good	6.38 \| good	24.516 \| good	11.416 \| good	0.356 \| good	20.603 \| good	0.415 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.453 \| good	26.374 \| good	14.215 \| good	0.362 \| good	21.147 \| good	0.431 \| good
2025-12-06T04:00:00.000Z	38 \| good	6.758 \| good	32.947 \| good	11.534 \| good	0.343 \| good	19.883 \| good	0.431 \| good
2025-12-06T05:00:00.000Z	44 \| good	8.397 \| good	38.401 \| good	8.855 \| good	0.282 \| good	21.84 \| good	0.431 \| good
2025-12-06T06:00:00.000Z	52 \| moderate	9.594 \| good	51.371 \| good	9.139 \| good	0.282 \| good	20.47 \| good	0.415 \| good
2025-12-06T07:00:00.000Z	49 \| good	8.952 \| good	39.297 \| good	7.545 \| good	0.281 \| good	19.172 \| good	0.415 \| good
2025-12-06T08:00:00.000Z	58 \| moderate	13.404 \| fine	39.882 \| good	8.007 \| good	0.29 \| good	17.459 \| good	0.431 \| good
2025-12-06T09:00:00.000Z	64 \| moderate	16.329 \| fine	30.685 \| good	10.447 \| good	0.298 \| good	13.711 \| good	0.426 \| good
2025-12-06T10:00:00.000Z	69 \| moderate	18.835 \| fine	86.314 \| fine	9.174 \| good	0.26 \| good	13.347 \| good	0.431 \| good
2025-12-06T11:00:00.000Z	69 \| moderate	19.12 \| fine	75.193 \| fine	7.492 \| good	0.244 \| good	13.238 \| good	0.409 \| good
2025-12-06T12:00:00.000Z	71 \| moderate	19.775 \| fine	79.479 \| fine	6.105 \| good	0.282 \| good	20.058 \| good	0.415 \| good
2025-12-06T13:00:00.000Z	69 \| moderate	19.076 \| fine	67.497 \| fine	4.523 \| good	0.295 \| good	18.808 \| good	0.431 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	23.062 \| fine	75.127 \| fine	7.296 \| good	0.369 \| good	16.919 \| good	0.477 \| good
2025-12-06T15:00:00.000Z	77 \| moderate	22.856 \| fine	96.812 \| fine	8.565 \| good	0.398 \| good	16.058 \| good	0.533 \| good
2025-12-06T16:00:00.000Z	77 \| moderate	22.669 \| fine	96.986 \| fine	7.942 \| good	0.383 \| good	13.003 \| good	0.547 \| good
2025-12-06T17:00:00.000Z	75 \| moderate	21.703 \| fine	95.312 \| fine	10.69 \| good	0.329 \| good	10.245 \| good	0.496 \| good
2025-12-06T18:00:00.000Z	75 \| moderate	22.468 \| fine	52.494 \| good	9.895 \| good	0.282 \| good	9.52 \| good	0.524 \| good
2025-12-06T19:00:00.000Z	75 \| moderate	22.442 \| fine	61.391 \| fine	16.191 \| good	0.238 \| good	7.449 \| good	0.451 \| good
2025-12-06T20:00:00.000Z	75 \| moderate	22.371 \| fine	60.245 \| fine	19.815 \| good	0.325 \| good	6.989 \| good	0.402 \| good
2025-12-06T21:00:00.000Z	67 \| moderate	17.534 \| fine	74.556 \| fine	18.545 \| good	0.247 \| good	6.494 \| good	0.369 \| good
2025-12-06T22:00:00.000Z	62 \| moderate	15.191 \| fine	54.722 \| good	19.651 \| good	0.234 \| good	13.066 \| good	0.375 \| good
2025-12-06T23:00:00.000Z	67 \| moderate	17.903 \| fine	80.375 \| fine	15.645 \| good	0.408 \| good	15.347 \| good	0.348 \| good
2025-12-07T00:00:00.000Z	71 \| moderate	20.118 \| fine	89.518 \| fine	16.413 \| good	0.532 \| good	18.319 \| good	0.37 \| good
2025-12-07T01:00:00.000Z	73 \| moderate	21.111 \| fine	90.537 \| fine	13.215 \| good	0.693 \| good	14.964 \| good	0.399 \| good
2025-12-07T02:00:00.000Z	86 \| moderate	27.612 \| fine	105.194 \| fine	11.346 \| good	0.866 \| good	14.343 \| good	0.464 \| good
2025-12-07T03:00:00.000Z	84 \| moderate	27.135 \| fine	105.68 \| fine	6.736 \| good	0.92 \| good	16.542 \| good	0.656 \| good
2025-12-07T04:00:00.000Z	90 \| moderate	30.026 \| fine	100.882 \| fine	4.95 \| good	0.946 \| good	14.701 \| good	0.68 \| good
2025-12-07T05:00:00.000Z	88 \| moderate	28.972 \| fine	105.579 \| fine	3.868 \| good	1.047 \| good	13.246 \| good	0.716 \| good
2025-12-07T06:00:00.000Z	84 \| moderate	26.543 \| fine	81.734 \| fine	5.03 \| good	1.141 \| good	17.686 \| good	0.686 \| good
2025-12-07T07:00:00.000Z	84 \| moderate	27.398 \| fine	50.793 \| good	4.982 \| good	1.066 \| good	17.369 \| good	0.702 \| good
2025-12-07T08:00:00.000Z	82 \| moderate	25.996 \| fine	78.806 \| fine	6.12 \| good	0.876 \| good	20.079 \| good	0.664 \| good
2025-12-07T09:00:00.000Z	82 \| moderate	25.617 \| fine	95.943 \| fine	13.479 \| good	0.683 \| good	17.601 \| good	0.582 \| good
2025-12-07T10:00:00.000Z	81 \| moderate	24.898 \| fine	45.917 \| good	10.524 \| good	0.554 \| good	18.161 \| good	0.538 \| good
2025-12-07T11:00:00.000Z	79 \| moderate	23.935 \| fine	68.911 \| fine	6.021 \| good	0.605 \| good	15.883 \| good	0.565 \| good
2025-12-07T12:00:00.000Z	75 \| moderate	21.518 \| fine	90.535 \| fine	6.923 \| good	0.612 \| good	15.66 \| good	0.654 \| good
2025-12-07T13:00:00.000Z	77 \| moderate	23.025 \| fine	74.606 \| fine	6.4 \| good	0.644 \| good	16.214 \| good	0.681 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	19.697 \| fine	89.842 \| fine	8.403 \| good	0.688 \| good	16.027 \| good	0.833 \| good
2025-12-07T14:00:00.000Z	75 \| moderate	21.604 \| fine	96.25 \| fine	9.297 \| good	0.589 \| good	15.172 \| good	0.671 \| good
2025-12-06T18:00:00.000Z	54 \| moderate	10.686 \| good	47.304 \| good	31.123 \| good	3.474 \| good	4.749 \| good	0.199 \| good
2025-12-06T19:00:00.000Z	54 \| moderate	10.8 \| good	47.869 \| good	29.701 \| good	3.504 \| good	5.416 \| good	0.201 \| good
2025-12-06T20:00:00.000Z	56 \| moderate	11.898 \| good	52.705 \| good	27.402 \| good	3.534 \| good	6.082 \| good	0.204 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.691 \| fine	61.506 \| fine	23.664 \| good	3.564 \| good	6.748 \| good	0.206 \| good
2025-12-06T22:00:00.000Z	60 \| moderate	14.249 \| fine	63.97 \| fine	20.669 \| good	3.611 \| good	9.341 \| good	0.228 \| good
2025-12-06T23:00:00.000Z	58 \| moderate	12.836 \| fine	58.091 \| fine	20.201 \| good	3.658 \| good	11.934 \| good	0.249 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.176 \| fine	54.726 \| good	19.743 \| good	3.705 \| good	14.527 \| good	0.271 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.874 \| fine	58.307 \| fine	19.556 \| good	3.873 \| good	13.693 \| good	0.264 \| good
2025-12-07T02:00:00.000Z	60 \| moderate	13.815 \| fine	62.357 \| fine	17.303 \| good	4.041 \| good	12.859 \| good	0.258 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.627 \| fine	73.694 \| fine	13.578 \| good	4.209 \| good	12.025 \| good	0.251 \| good
2025-12-07T04:00:00.000Z	66 \| moderate	17.372 \| fine	77.19 \| fine	10.166 \| good	3.928 \| good	10.131 \| good	0.234 \| good
2025-12-07T05:00:00.000Z	66 \| moderate	16.862 \| fine	74.621 \| fine	10.81 \| good	3.646 \| good	8.237 \| good	0.217 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.749 \| fine	70.117 \| fine	11.527 \| good	3.365 \| good	6.342 \| good	0.2 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.72 \| fine	70.007 \| fine	11.516 \| good	3.157 \| good	6.166 \| good	0.198 \| good
2025-12-07T08:00:00.000Z	66 \| moderate	17.117 \| fine	76.264 \| fine	10.764 \| good	2.949 \| good	5.989 \| good	0.197 \| good
2025-12-07T09:00:00.000Z	67 \| moderate	18.389 \| fine	81.06 \| fine	11.115 \| good	2.741 \| good	5.812 \| good	0.195 \| good
2025-12-07T10:00:00.000Z	69 \| moderate	19.063 \| fine	84.492 \| fine	10.134 \| good	2.716 \| good	7.378 \| good	0.208 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	19.366 \| fine	85.317 \| fine	8.409 \| good	2.69 \| good	8.944 \| good	0.221 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	19.601 \| fine	86.7 \| fine	8.23 \| good	2.665 \| good	10.509 \| good	0.233 \| good
2025-12-07T13:00:00.000Z	69 \| moderate	18.871 \| fine	83.674 \| fine	12.4 \| good	2.68 \| good	9.307 \| good	0.232 \| good
2025-12-07T14:00:00.000Z	64 \| moderate	16.321 \| fine	72.345 \| fine	19.309 \| good	2.695 \| good	8.104 \| good	0.23 \| good
2025-12-07T15:00:00.000Z	60 \| moderate	13.749 \| fine	61.954 \| fine	23.761 \| good	2.71 \| good	6.902 \| good	0.228 \| good
2025-12-07T16:00:00.000Z	56 \| moderate	12.466 \| fine	56.64 \| fine	28.301 \| good	2.752 \| good	5.879 \| good	0.213 \| good
2025-12-07T17:00:00.000Z	58 \| moderate	12.672 \| fine	57 \| fine	29.66 \| good	2.795 \| good	4.857 \| good	0.198 \| good
2025-12-07T18:00:00.000Z	58 \| moderate	12.748 \| fine	57.297 \| fine	30.436 \| good	2.837 \| good	3.834 \| good	0.183 \| good
2025-12-07T19:00:00.000Z	56 \| moderate	12.41 \| fine	55.999 \| fine	28.447 \| good	3.219 \| good	4.284 \| good	0.184 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	13.719 \| fine	61.271 \| fine	25.25 \| good	3.6 \| good	4.734 \| good	0.185 \| good
2025-12-07T21:00:00.000Z	66 \| moderate	16.556 \| fine	73.38 \| fine	23.08 \| good	3.981 \| good	5.184 \| good	0.186 \| good
2025-12-07T22:00:00.000Z	69 \| moderate	18.982 \| fine	83.976 \| fine	18.831 \| good	4.087 \| good	9.248 \| good	0.22 \| good
2025-12-07T23:00:00.000Z	73 \| moderate	20.603 \| fine	90.347 \| fine	16.328 \| good	4.193 \| good	13.311 \| good	0.255 \| good
2025-12-08T00:00:00.000Z	73 \| moderate	21.144 \| fine	92.81 \| fine	17.361 \| good	4.299 \| good	17.375 \| good	0.29 \| good
2025-12-08T01:00:00.000Z	73 \| moderate	20.99 \| fine	92.599 \| fine	16.622 \| good	4.43 \| good	17.711 \| good	0.295 \| good
2025-12-08T02:00:00.000Z	73 \| moderate	20.954 \| fine	92.492 \| fine	15.338 \| good	4.562 \| good	18.047 \| good	0.299 \| good
2025-12-08T03:00:00.000Z	73 \| moderate	20.805 \| fine	91.32 \| fine	14.794 \| good	4.693 \| good	18.383 \| good	0.304 \| good
2025-12-08T04:00:00.000Z	69 \| moderate	18.924 \| fine	83.518 \| fine	14.959 \| good	4.782 \| good	15.755 \| good	0.286 \| good
2025-12-08T05:00:00.000Z	64 \| moderate	15.943 \| fine	70.907 \| fine	17.581 \| good	4.872 \| good	13.128 \| good	0.268 \| good
2025-12-08T06:00:00.000Z	56 \| moderate	12.318 \| fine	55.834 \| fine	22.129 \| good	4.961 \| good	10.5 \| good	0.25 \| good
2025-12-08T07:00:00.000Z	44 \| good	8.265 \| good	36.244 \| good	25.595 \| good	4.216 \| good	8.473 \| good	0.231 \| good
2025-12-08T08:00:00.000Z	26 \| good	3.333 \| good	14.304 \| good	27.955 \| good	3.471 \| good	6.446 \| good	0.213 \| good
2025-12-08T09:00:00.000Z	28 \| good	1.465 \| good	5.933 \| good	30.171 \| good	2.726 \| good	4.419 \| good	0.195 \| good
2025-12-08T10:00:00.000Z	27 \| good	0.596 \| good	2.03 \| good	28.818 \| good	2.211 \| good	4.125 \| good	0.186 \| good
2025-12-08T11:00:00.000Z	24 \| good	1.478 \| good	5.927 \| good	26.03 \| good	1.696 \| good	3.83 \| good	0.177 \| good
2025-12-08T12:00:00.000Z	23 \| good	2.364 \| good	9.823 \| good	24.619 \| good	1.181 \| good	3.536 \| good	0.168 \| good
2025-12-08T13:00:00.000Z	27 \| good	2.053 \| good	8.187 \| good	28.707 \| good	1.009 \| good	3.145 \| good	0.164 \| good
2025-12-08T14:00:00.000Z	28 \| good	1.607 \| good	6.569 \| good	30.276 \| good	0.837 \| good	2.754 \| good	0.16 \| good
2025-12-08T15:00:00.000Z	29 \| good	0.864 \| good	3.03 \| good	31.434 \| good	0.665 \| good	2.363 \| good	0.155 \| good
2025-12-08T16:00:00.000Z	28 \| good	0.808 \| good	3 \| good	29.54 \| good	0.633 \| good	2.163 \| good	0.15 \| good
2025-12-08T17:00:00.000Z	25 \| good	0.844 \| good	3.159 \| good	27.473 \| good	0.601 \| good	1.962 \| good	0.145 \| good

Westtown, Pennsylvania live air quality index now

Major air pollutants in Westtown, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Westtown, Pennsylvania air quality map: Track AQI near you

Air quality in nearby cities

West Chester, Pennsylvania

West Goshen, Pennsylvania

Willistown, Pennsylvania

East Goshen, Pennsylvania

East Bradford, Pennsylvania

Concord Township, Pennsylvania

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Frequently asked questions

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

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

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

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

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

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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 Westtown, Pennsylvania?

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

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

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

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