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

The current PM10 concentration at Westtown, Pennsylvania is 31.213 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Westtown, Pennsylvania is 0.36 ppb.

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

The current ozone (O3) concentration at Westtown, Pennsylvania is 61.139 ppm.

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

The current nitrogen dioxide (NO2) concentration at Westtown, Pennsylvania is 9.02 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 7.557 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)

8.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.66 μg/m³

155

255

425

605+

Ozone (O₃)

58.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.70 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-04-22T02:00:00.000Z	44 \| good	7.559 \| good	27.11 \| good	44.888 \| good	0.298 \| good	5.319 \| good	0.197 \| good
2026-04-22T03:00:00.000Z	40 \| good	5.889 \| good	22.822 \| good	42.959 \| good	0.272 \| good	9.133 \| good	0.219 \| good
2026-04-22T04:00:00.000Z	40 \| good	3.472 \| good	15.502 \| good	42.516 \| good	0.255 \| good	11.443 \| good	0.219 \| good
2026-04-22T05:00:00.000Z	39 \| good	3.865 \| good	15.245 \| good	42.298 \| good	0.292 \| good	7.291 \| good	0.216 \| good
2026-04-22T06:00:00.000Z	38 \| good	4.037 \| good	18.228 \| good	40.873 \| good	0.246 \| good	6.96 \| good	0.197 \| good
2026-04-22T07:00:00.000Z	38 \| good	3.876 \| good	16.18 \| good	41.454 \| good	0.236 \| good	7.937 \| good	0.16 \| good
2026-04-22T08:00:00.000Z	36 \| good	4.003 \| good	15.175 \| good	39.101 \| good	0.164 \| good	6.509 \| good	0.167 \| good
2026-04-22T09:00:00.000Z	36 \| good	4.983 \| good	21.814 \| good	38.94 \| good	0.179 \| good	9.712 \| good	0.183 \| good
2026-04-22T10:00:00.000Z	36 \| good	3.836 \| good	18.105 \| good	39.41 \| good	0.171 \| good	9.171 \| good	0.183 \| good
2026-04-22T11:00:00.000Z	36 \| good	5.066 \| good	20.014 \| good	39.264 \| good	0.107 \| good	9.516 \| good	0.197 \| good
2026-04-22T12:00:00.000Z	38 \| good	4.531 \| good	21.09 \| good	40.774 \| good	0.306 \| good	11.995 \| good	0.241 \| good
2026-04-22T13:00:00.000Z	40 \| good	4.761 \| good	17.955 \| good	42.872 \| good	0.384 \| good	9.041 \| good	0.263 \| good
2026-04-22T14:00:00.000Z	36 \| good	5.032 \| good	19.979 \| good	39.03 \| good	0.273 \| good	6.868 \| good	0.293 \| good
2026-04-22T15:00:00.000Z	37 \| good	5.043 \| good	20.577 \| good	40.347 \| good	0.342 \| good	7.929 \| good	0.279 \| good
2026-04-22T16:00:00.000Z	34 \| good	5.125 \| good	24.027 \| good	36.701 \| good	0.271 \| good	7.946 \| good	0.316 \| good
2026-04-22T17:00:00.000Z	37 \| good	5.904 \| good	24.875 \| good	39.603 \| good	0.289 \| good	17.354 \| good	0.327 \| good
2026-04-22T18:00:00.000Z	34 \| good	6.005 \| good	28.427 \| good	37.29 \| good	0.368 \| good	15.734 \| good	0.327 \| good
2026-04-22T19:00:00.000Z	38 \| good	6.957 \| good	31.12 \| good	40.919 \| good	0.47 \| good	11.627 \| good	0.309 \| good
2026-04-22T20:00:00.000Z	44 \| good	7.909 \| good	45.982 \| good	42.537 \| good	0.586 \| good	8.727 \| good	0.309 \| good
2026-04-22T21:00:00.000Z	37 \| good	6.424 \| good	27.899 \| good	39.705 \| good	0.572 \| good	7.027 \| good	0.297 \| good
2026-04-22T22:00:00.000Z	52 \| moderate	9.598 \| good	42.283 \| good	43.828 \| good	0.65 \| good	5.606 \| good	0.285 \| good
2026-04-22T23:00:00.000Z	44 \| good	8.229 \| good	32.533 \| good	47.047 \| good	0.577 \| good	6.975 \| good	0.356 \| good
2026-04-23T00:00:00.000Z	52 \| moderate	10.303 \| good	37.304 \| good	44.932 \| good	0.47 \| good	8.227 \| good	0.385 \| good
2026-04-23T01:00:00.000Z	49 \| good	9.433 \| good	41.618 \| good	45.943 \| good	0.483 \| good	14.281 \| good	0.318 \| good
2026-04-23T02:00:00.000Z	52 \| moderate	9.994 \| good	33.524 \| good	38.706 \| good	0.473 \| good	8.945 \| good	0.308 \| good
2026-04-23T03:00:00.000Z	56 \| moderate	11.808 \| good	52.251 \| good	32.558 \| good	0.461 \| good	8.844 \| good	0.356 \| good
2026-04-23T04:00:00.000Z	58 \| moderate	13.161 \| fine	60.758 \| fine	30.509 \| good	0.4 \| good	12.133 \| good	0.356 \| good
2026-04-23T05:00:00.000Z	54 \| moderate	11.071 \| good	45.617 \| good	26.078 \| good	0.357 \| good	17.491 \| good	0.304 \| good
2026-04-23T06:00:00.000Z	54 \| moderate	11.236 \| good	49.132 \| good	29.915 \| good	0.26 \| good	13.596 \| good	0.304 \| good
2026-04-23T07:00:00.000Z	52 \| moderate	10.062 \| good	45.872 \| good	21.433 \| good	0.274 \| good	14.149 \| good	0.267 \| good
2026-04-23T08:00:00.000Z	56 \| moderate	10.8 \| good	64.591 \| fine	17.22 \| good	0.303 \| good	14.89 \| good	0.281 \| good
2026-04-23T09:00:00.000Z	58 \| moderate	13.227 \| fine	61.387 \| fine	24.027 \| good	0.348 \| good	13.268 \| good	0.281 \| good
2026-04-23T10:00:00.000Z	56 \| moderate	11.873 \| good	52.605 \| good	15.28 \| good	0.373 \| good	12.042 \| good	0.321 \| good
2026-04-23T11:00:00.000Z	56 \| moderate	11.579 \| good	50.874 \| good	19.154 \| good	0.422 \| good	18.354 \| good	0.361 \| good
2026-04-23T12:00:00.000Z	59 \| moderate	13.417 \| fine	70.547 \| fine	14.011 \| good	0.424 \| good	21.212 \| good	0.433 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	15.021 \| fine	67.377 \| fine	19.567 \| good	0.466 \| good	22.788 \| good	0.545 \| good
2026-04-23T14:00:00.000Z	69 \| moderate	18.62 \| fine	67.424 \| fine	19.66 \| good	0.441 \| good	20.289 \| good	0.524 \| good
2026-04-23T15:00:00.000Z	67 \| moderate	17.885 \| fine	64.916 \| fine	25.993 \| good	0.588 \| good	14.978 \| good	0.459 \| good
2026-04-23T16:00:00.000Z	62 \| moderate	14.987 \| fine	57.818 \| fine	31.568 \| good	0.448 \| good	12.188 \| good	0.36 \| good
2026-04-23T17:00:00.000Z	64 \| moderate	15.65 \| fine	65.204 \| fine	43.916 \| good	0.441 \| good	11.802 \| good	0.275 \| good
2026-04-23T18:00:00.000Z	58 \| moderate	12.988 \| fine	59.601 \| fine	49.636 \| good	0.426 \| good	11.718 \| good	0.23 \| good
2026-04-23T19:00:00.000Z	62 \| moderate	14.581 \| fine	54.847 \| good	50.705 \| good	0.429 \| good	9.975 \| good	0.23 \| good
2026-04-23T20:00:00.000Z	54 \| moderate	10.163 \| good	32.776 \| good	56.444 \| fine	0.431 \| good	9.209 \| good	0.224 \| good
2026-04-23T21:00:00.000Z	77 \| moderate	10.096 \| good	40.374 \| good	63.02 \| fine	0.518 \| good	9.329 \| good	0.247 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	9.435 \| good	37.084 \| good	62.274 \| fine	0.518 \| good	9.693 \| good	0.242 \| good
2026-04-23T23:00:00.000Z	71 \| moderate	7.557 \| good	31.213 \| good	61.139 \| fine	0.36 \| good	9.02 \| good	0.224 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	8.578 \| good	27.661 \| good	58.139 \| fine	0.305 \| good	13.702 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	56 \| moderate	11.575 \| good	42.966 \| good	51.665 \| good	0.301 \| good	12.699 \| good	0.256 \| good
2026-04-24T01:00:00.000Z	61 \| moderate	8.578 \| good	27.661 \| good	58.139 \| fine	0.305 \| good	13.702 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	30 \| good	3.385 \| good	14.647 \| good	31.901 \| good	1.72 \| good	8.844 \| good	0.236 \| good
2026-04-24T02:00:00.000Z	29 \| good	2.191 \| good	8.95 \| good	31.437 \| good	1.647 \| good	9.242 \| good	0.235 \| good
2026-04-24T03:00:00.000Z	28 \| good	1.426 \| good	5.641 \| good	29.81 \| good	1.573 \| good	9.641 \| good	0.235 \| good
2026-04-24T04:00:00.000Z	26 \| good	1.959 \| good	8.097 \| good	27.78 \| good	1.35 \| good	8.622 \| good	0.215 \| good
2026-04-24T05:00:00.000Z	25 \| good	2.532 \| good	10.199 \| good	26.955 \| good	1.127 \| good	7.603 \| good	0.195 \| good
2026-04-24T06:00:00.000Z	24 \| good	2.293 \| good	9.202 \| good	26.114 \| good	0.904 \| good	6.585 \| good	0.176 \| good
2026-04-24T07:00:00.000Z	24 \| good	1.942 \| good	7.984 \| good	25.647 \| good	0.947 \| good	6.794 \| good	0.173 \| good
2026-04-24T08:00:00.000Z	23 \| good	1.888 \| good	7.84 \| good	24.516 \| good	0.991 \| good	7.003 \| good	0.17 \| good
2026-04-24T09:00:00.000Z	19 \| good	1.497 \| good	6.127 \| good	20.824 \| good	1.035 \| good	7.213 \| good	0.167 \| good
2026-04-24T10:00:00.000Z	22 \| good	3.696 \| good	16.03 \| good	19.983 \| good	1.082 \| good	7.133 \| good	0.177 \| good
2026-04-24T11:00:00.000Z	22 \| good	4.374 \| good	18.964 \| good	18.983 \| good	1.129 \| good	7.053 \| good	0.188 \| good
2026-04-24T12:00:00.000Z	27 \| good	4.737 \| good	20.517 \| good	26.34 \| good	1.176 \| good	6.972 \| good	0.198 \| good
2026-04-24T13:00:00.000Z	30 \| good	3.989 \| good	17.365 \| good	31.881 \| good	1.173 \| good	5.711 \| good	0.185 \| good
2026-04-24T14:00:00.000Z	29 \| good	3.658 \| good	16.025 \| good	31.164 \| good	1.17 \| good	4.45 \| good	0.172 \| good
2026-04-24T15:00:00.000Z	27 \| good	3.675 \| good	16.313 \| good	29.238 \| good	1.167 \| good	3.189 \| good	0.159 \| good
2026-04-24T16:00:00.000Z	26 \| good	3.382 \| good	14.932 \| good	28.482 \| good	1.289 \| good	2.812 \| good	0.159 \| good
2026-04-24T17:00:00.000Z	28 \| good	3.291 \| good	14.334 \| good	30.262 \| good	1.411 \| good	2.435 \| good	0.158 \| good
2026-04-24T18:00:00.000Z	30 \| good	3.026 \| good	12.057 \| good	32.313 \| good	1.532 \| good	2.057 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	33 \| good	4.094 \| good	17.974 \| good	35.845 \| good	1.595 \| good	2.018 \| good	0.159 \| good
2026-04-24T20:00:00.000Z	36 \| good	5.077 \| good	22.016 \| good	39.111 \| good	1.658 \| good	1.978 \| good	0.161 \| good
2026-04-24T21:00:00.000Z	39 \| good	6.111 \| good	27.332 \| good	41.817 \| good	1.721 \| good	1.938 \| good	0.163 \| good
2026-04-24T22:00:00.000Z	39 \| good	7.304 \| good	32.419 \| good	41.864 \| good	1.836 \| good	6.116 \| good	0.198 \| good
2026-04-24T23:00:00.000Z	44 \| good	7.946 \| good	34.92 \| good	37.465 \| good	1.951 \| good	10.294 \| good	0.232 \| good
2026-04-25T00:00:00.000Z	38 \| good	7.473 \| good	32.889 \| good	32.409 \| good	2.066 \| good	14.471 \| good	0.267 \| good
2026-04-25T01:00:00.000Z	33 \| good	6.283 \| good	27.729 \| good	32.74 \| good	1.993 \| good	13.775 \| good	0.256 \| good
2026-04-25T02:00:00.000Z	30 \| good	4.972 \| good	21.332 \| good	32.427 \| good	1.919 \| good	13.078 \| good	0.244 \| good
2026-04-25T03:00:00.000Z	28 \| good	4.91 \| good	21.112 \| good	30.219 \| good	1.846 \| good	12.381 \| good	0.232 \| good
2026-04-25T04:00:00.000Z	27 \| good	5.276 \| good	22.795 \| good	27.195 \| good	1.607 \| good	10.11 \| good	0.209 \| good
2026-04-25T05:00:00.000Z	27 \| good	5.093 \| good	21.932 \| good	24.22 \| good	1.368 \| good	7.839 \| good	0.186 \| good
2026-04-25T06:00:00.000Z	27 \| good	5.456 \| good	23.395 \| good	24.351 \| good	1.129 \| good	5.567 \| good	0.162 \| good
2026-04-25T07:00:00.000Z	33 \| good	5.547 \| good	23.819 \| good	24.796 \| good	1.091 \| good	4.804 \| good	0.158 \| good
2026-04-25T08:00:00.000Z	25 \| good	4.372 \| good	19.029 \| good	26.653 \| good	1.054 \| good	4.04 \| good	0.153 \| good
2026-04-25T09:00:00.000Z	24 \| good	3.743 \| good	16.172 \| good	26.464 \| good	1.016 \| good	3.277 \| good	0.148 \| good
2026-04-25T10:00:00.000Z	22 \| good	3.69 \| good	16.155 \| good	23.628 \| good	1.02 \| good	3.691 \| good	0.15 \| good
2026-04-25T11:00:00.000Z	27 \| good	4.642 \| good	20.107 \| good	22.903 \| good	1.024 \| good	4.104 \| good	0.152 \| good
2026-04-25T12:00:00.000Z	27 \| good	4.799 \| good	20.905 \| good	27.898 \| good	1.029 \| good	4.518 \| good	0.154 \| good
2026-04-25T13:00:00.000Z	29 \| good	3.801 \| good	16.45 \| good	31.326 \| good	1.038 \| good	4.376 \| good	0.155 \| good
2026-04-25T14:00:00.000Z	29 \| good	3.059 \| good	12.788 \| good	30.613 \| good	1.047 \| good	4.233 \| good	0.156 \| good
2026-04-25T15:00:00.000Z	25 \| good	3.657 \| good	15.963 \| good	27.368 \| good	1.056 \| good	4.091 \| good	0.157 \| good
2026-04-25T16:00:00.000Z	26 \| good	4.202 \| good	18.416 \| good	27.552 \| good	1.011 \| good	3.639 \| good	0.154 \| good
2026-04-25T17:00:00.000Z	29 \| good	4.261 \| good	18.882 \| good	31.2 \| good	0.967 \| good	3.187 \| good	0.151 \| good
2026-04-25T18:00:00.000Z	30 \| good	4.173 \| good	18.427 \| good	31.703 \| good	0.922 \| good	2.736 \| good	0.148 \| good
2026-04-25T19:00:00.000Z	28 \| good	5.028 \| good	21.871 \| good	29.757 \| good	0.892 \| good	2.94 \| good	0.15 \| good
2026-04-25T20:00:00.000Z	38 \| good	6.9 \| good	30.447 \| good	29.308 \| good	0.861 \| good	3.145 \| good	0.152 \| good
2026-04-25T21:00:00.000Z	44 \| good	7.574 \| good	33.381 \| good	27.854 \| good	0.83 \| good	3.349 \| good	0.154 \| good
2026-04-25T22:00:00.000Z	33 \| good	5.717 \| good	24.588 \| good	26.722 \| good	0.828 \| good	3.978 \| good	0.16 \| good
2026-04-25T23:00:00.000Z	27 \| good	5.341 \| good	22.974 \| good	27.631 \| good	0.825 \| good	4.607 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	52 \| moderate	10.487 \| good	12.022 \| good	41.159 \| good	0.827 \| good	5.253 \| good	0.172 \| good

Westtown

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Westtown, Pennsylvania air quality map: Track AQI near you

0.22ppm

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 09:00:00 on 2026-04-23.

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 01:00:00 on 2026-04-23.

What is the current air quality in Westtown, Pennsylvania?

The current air quality in Westtown, Pennsylvania is 71, 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 O3.

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 7.557 μg/m³.

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

The current PM₁₀ concentration at Westtown, Pennsylvania is 31.213 μg/m³.

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

The current carbon monoxide (CO) concentration at Westtown, Pennsylvania is 0.224 ppm.

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

The current sulfur dioxide (SO₂) concentration at Westtown, Pennsylvania is 0.36 ppb.

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

The current ozone (O₃) concentration at Westtown, Pennsylvania is 61.139 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Westtown, Pennsylvania is 9.02 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T02:00:00.000Z	44 \| good	7.559 \| good	27.11 \| good	44.888 \| good	0.298 \| good	5.319 \| good	0.197 \| good
2026-04-22T03:00:00.000Z	40 \| good	5.889 \| good	22.822 \| good	42.959 \| good	0.272 \| good	9.133 \| good	0.219 \| good
2026-04-22T04:00:00.000Z	40 \| good	3.472 \| good	15.502 \| good	42.516 \| good	0.255 \| good	11.443 \| good	0.219 \| good
2026-04-22T05:00:00.000Z	39 \| good	3.865 \| good	15.245 \| good	42.298 \| good	0.292 \| good	7.291 \| good	0.216 \| good
2026-04-22T06:00:00.000Z	38 \| good	4.037 \| good	18.228 \| good	40.873 \| good	0.246 \| good	6.96 \| good	0.197 \| good
2026-04-22T07:00:00.000Z	38 \| good	3.876 \| good	16.18 \| good	41.454 \| good	0.236 \| good	7.937 \| good	0.16 \| good
2026-04-22T08:00:00.000Z	36 \| good	4.003 \| good	15.175 \| good	39.101 \| good	0.164 \| good	6.509 \| good	0.167 \| good
2026-04-22T09:00:00.000Z	36 \| good	4.983 \| good	21.814 \| good	38.94 \| good	0.179 \| good	9.712 \| good	0.183 \| good
2026-04-22T10:00:00.000Z	36 \| good	3.836 \| good	18.105 \| good	39.41 \| good	0.171 \| good	9.171 \| good	0.183 \| good
2026-04-22T11:00:00.000Z	36 \| good	5.066 \| good	20.014 \| good	39.264 \| good	0.107 \| good	9.516 \| good	0.197 \| good
2026-04-22T12:00:00.000Z	38 \| good	4.531 \| good	21.09 \| good	40.774 \| good	0.306 \| good	11.995 \| good	0.241 \| good
2026-04-22T13:00:00.000Z	40 \| good	4.761 \| good	17.955 \| good	42.872 \| good	0.384 \| good	9.041 \| good	0.263 \| good
2026-04-22T14:00:00.000Z	36 \| good	5.032 \| good	19.979 \| good	39.03 \| good	0.273 \| good	6.868 \| good	0.293 \| good
2026-04-22T15:00:00.000Z	37 \| good	5.043 \| good	20.577 \| good	40.347 \| good	0.342 \| good	7.929 \| good	0.279 \| good
2026-04-22T16:00:00.000Z	34 \| good	5.125 \| good	24.027 \| good	36.701 \| good	0.271 \| good	7.946 \| good	0.316 \| good
2026-04-22T17:00:00.000Z	37 \| good	5.904 \| good	24.875 \| good	39.603 \| good	0.289 \| good	17.354 \| good	0.327 \| good
2026-04-22T18:00:00.000Z	34 \| good	6.005 \| good	28.427 \| good	37.29 \| good	0.368 \| good	15.734 \| good	0.327 \| good
2026-04-22T19:00:00.000Z	38 \| good	6.957 \| good	31.12 \| good	40.919 \| good	0.47 \| good	11.627 \| good	0.309 \| good
2026-04-22T20:00:00.000Z	44 \| good	7.909 \| good	45.982 \| good	42.537 \| good	0.586 \| good	8.727 \| good	0.309 \| good
2026-04-22T21:00:00.000Z	37 \| good	6.424 \| good	27.899 \| good	39.705 \| good	0.572 \| good	7.027 \| good	0.297 \| good
2026-04-22T22:00:00.000Z	52 \| moderate	9.598 \| good	42.283 \| good	43.828 \| good	0.65 \| good	5.606 \| good	0.285 \| good
2026-04-22T23:00:00.000Z	44 \| good	8.229 \| good	32.533 \| good	47.047 \| good	0.577 \| good	6.975 \| good	0.356 \| good
2026-04-23T00:00:00.000Z	52 \| moderate	10.303 \| good	37.304 \| good	44.932 \| good	0.47 \| good	8.227 \| good	0.385 \| good
2026-04-23T01:00:00.000Z	49 \| good	9.433 \| good	41.618 \| good	45.943 \| good	0.483 \| good	14.281 \| good	0.318 \| good
2026-04-23T02:00:00.000Z	52 \| moderate	9.994 \| good	33.524 \| good	38.706 \| good	0.473 \| good	8.945 \| good	0.308 \| good
2026-04-23T03:00:00.000Z	56 \| moderate	11.808 \| good	52.251 \| good	32.558 \| good	0.461 \| good	8.844 \| good	0.356 \| good
2026-04-23T04:00:00.000Z	58 \| moderate	13.161 \| fine	60.758 \| fine	30.509 \| good	0.4 \| good	12.133 \| good	0.356 \| good
2026-04-23T05:00:00.000Z	54 \| moderate	11.071 \| good	45.617 \| good	26.078 \| good	0.357 \| good	17.491 \| good	0.304 \| good
2026-04-23T06:00:00.000Z	54 \| moderate	11.236 \| good	49.132 \| good	29.915 \| good	0.26 \| good	13.596 \| good	0.304 \| good
2026-04-23T07:00:00.000Z	52 \| moderate	10.062 \| good	45.872 \| good	21.433 \| good	0.274 \| good	14.149 \| good	0.267 \| good
2026-04-23T08:00:00.000Z	56 \| moderate	10.8 \| good	64.591 \| fine	17.22 \| good	0.303 \| good	14.89 \| good	0.281 \| good
2026-04-23T09:00:00.000Z	58 \| moderate	13.227 \| fine	61.387 \| fine	24.027 \| good	0.348 \| good	13.268 \| good	0.281 \| good
2026-04-23T10:00:00.000Z	56 \| moderate	11.873 \| good	52.605 \| good	15.28 \| good	0.373 \| good	12.042 \| good	0.321 \| good
2026-04-23T11:00:00.000Z	56 \| moderate	11.579 \| good	50.874 \| good	19.154 \| good	0.422 \| good	18.354 \| good	0.361 \| good
2026-04-23T12:00:00.000Z	59 \| moderate	13.417 \| fine	70.547 \| fine	14.011 \| good	0.424 \| good	21.212 \| good	0.433 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	15.021 \| fine	67.377 \| fine	19.567 \| good	0.466 \| good	22.788 \| good	0.545 \| good
2026-04-23T14:00:00.000Z	69 \| moderate	18.62 \| fine	67.424 \| fine	19.66 \| good	0.441 \| good	20.289 \| good	0.524 \| good
2026-04-23T15:00:00.000Z	67 \| moderate	17.885 \| fine	64.916 \| fine	25.993 \| good	0.588 \| good	14.978 \| good	0.459 \| good
2026-04-23T16:00:00.000Z	62 \| moderate	14.987 \| fine	57.818 \| fine	31.568 \| good	0.448 \| good	12.188 \| good	0.36 \| good
2026-04-23T17:00:00.000Z	64 \| moderate	15.65 \| fine	65.204 \| fine	43.916 \| good	0.441 \| good	11.802 \| good	0.275 \| good
2026-04-23T18:00:00.000Z	58 \| moderate	12.988 \| fine	59.601 \| fine	49.636 \| good	0.426 \| good	11.718 \| good	0.23 \| good
2026-04-23T19:00:00.000Z	62 \| moderate	14.581 \| fine	54.847 \| good	50.705 \| good	0.429 \| good	9.975 \| good	0.23 \| good
2026-04-23T20:00:00.000Z	54 \| moderate	10.163 \| good	32.776 \| good	56.444 \| fine	0.431 \| good	9.209 \| good	0.224 \| good
2026-04-23T21:00:00.000Z	77 \| moderate	10.096 \| good	40.374 \| good	63.02 \| fine	0.518 \| good	9.329 \| good	0.247 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	9.435 \| good	37.084 \| good	62.274 \| fine	0.518 \| good	9.693 \| good	0.242 \| good
2026-04-23T23:00:00.000Z	71 \| moderate	7.557 \| good	31.213 \| good	61.139 \| fine	0.36 \| good	9.02 \| good	0.224 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	8.578 \| good	27.661 \| good	58.139 \| fine	0.305 \| good	13.702 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	56 \| moderate	11.575 \| good	42.966 \| good	51.665 \| good	0.301 \| good	12.699 \| good	0.256 \| good
2026-04-24T01:00:00.000Z	61 \| moderate	8.578 \| good	27.661 \| good	58.139 \| fine	0.305 \| good	13.702 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	30 \| good	3.385 \| good	14.647 \| good	31.901 \| good	1.72 \| good	8.844 \| good	0.236 \| good
2026-04-24T02:00:00.000Z	29 \| good	2.191 \| good	8.95 \| good	31.437 \| good	1.647 \| good	9.242 \| good	0.235 \| good
2026-04-24T03:00:00.000Z	28 \| good	1.426 \| good	5.641 \| good	29.81 \| good	1.573 \| good	9.641 \| good	0.235 \| good
2026-04-24T04:00:00.000Z	26 \| good	1.959 \| good	8.097 \| good	27.78 \| good	1.35 \| good	8.622 \| good	0.215 \| good
2026-04-24T05:00:00.000Z	25 \| good	2.532 \| good	10.199 \| good	26.955 \| good	1.127 \| good	7.603 \| good	0.195 \| good
2026-04-24T06:00:00.000Z	24 \| good	2.293 \| good	9.202 \| good	26.114 \| good	0.904 \| good	6.585 \| good	0.176 \| good
2026-04-24T07:00:00.000Z	24 \| good	1.942 \| good	7.984 \| good	25.647 \| good	0.947 \| good	6.794 \| good	0.173 \| good
2026-04-24T08:00:00.000Z	23 \| good	1.888 \| good	7.84 \| good	24.516 \| good	0.991 \| good	7.003 \| good	0.17 \| good
2026-04-24T09:00:00.000Z	19 \| good	1.497 \| good	6.127 \| good	20.824 \| good	1.035 \| good	7.213 \| good	0.167 \| good
2026-04-24T10:00:00.000Z	22 \| good	3.696 \| good	16.03 \| good	19.983 \| good	1.082 \| good	7.133 \| good	0.177 \| good
2026-04-24T11:00:00.000Z	22 \| good	4.374 \| good	18.964 \| good	18.983 \| good	1.129 \| good	7.053 \| good	0.188 \| good
2026-04-24T12:00:00.000Z	27 \| good	4.737 \| good	20.517 \| good	26.34 \| good	1.176 \| good	6.972 \| good	0.198 \| good
2026-04-24T13:00:00.000Z	30 \| good	3.989 \| good	17.365 \| good	31.881 \| good	1.173 \| good	5.711 \| good	0.185 \| good
2026-04-24T14:00:00.000Z	29 \| good	3.658 \| good	16.025 \| good	31.164 \| good	1.17 \| good	4.45 \| good	0.172 \| good
2026-04-24T15:00:00.000Z	27 \| good	3.675 \| good	16.313 \| good	29.238 \| good	1.167 \| good	3.189 \| good	0.159 \| good
2026-04-24T16:00:00.000Z	26 \| good	3.382 \| good	14.932 \| good	28.482 \| good	1.289 \| good	2.812 \| good	0.159 \| good
2026-04-24T17:00:00.000Z	28 \| good	3.291 \| good	14.334 \| good	30.262 \| good	1.411 \| good	2.435 \| good	0.158 \| good
2026-04-24T18:00:00.000Z	30 \| good	3.026 \| good	12.057 \| good	32.313 \| good	1.532 \| good	2.057 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	33 \| good	4.094 \| good	17.974 \| good	35.845 \| good	1.595 \| good	2.018 \| good	0.159 \| good
2026-04-24T20:00:00.000Z	36 \| good	5.077 \| good	22.016 \| good	39.111 \| good	1.658 \| good	1.978 \| good	0.161 \| good
2026-04-24T21:00:00.000Z	39 \| good	6.111 \| good	27.332 \| good	41.817 \| good	1.721 \| good	1.938 \| good	0.163 \| good
2026-04-24T22:00:00.000Z	39 \| good	7.304 \| good	32.419 \| good	41.864 \| good	1.836 \| good	6.116 \| good	0.198 \| good
2026-04-24T23:00:00.000Z	44 \| good	7.946 \| good	34.92 \| good	37.465 \| good	1.951 \| good	10.294 \| good	0.232 \| good
2026-04-25T00:00:00.000Z	38 \| good	7.473 \| good	32.889 \| good	32.409 \| good	2.066 \| good	14.471 \| good	0.267 \| good
2026-04-25T01:00:00.000Z	33 \| good	6.283 \| good	27.729 \| good	32.74 \| good	1.993 \| good	13.775 \| good	0.256 \| good
2026-04-25T02:00:00.000Z	30 \| good	4.972 \| good	21.332 \| good	32.427 \| good	1.919 \| good	13.078 \| good	0.244 \| good
2026-04-25T03:00:00.000Z	28 \| good	4.91 \| good	21.112 \| good	30.219 \| good	1.846 \| good	12.381 \| good	0.232 \| good
2026-04-25T04:00:00.000Z	27 \| good	5.276 \| good	22.795 \| good	27.195 \| good	1.607 \| good	10.11 \| good	0.209 \| good
2026-04-25T05:00:00.000Z	27 \| good	5.093 \| good	21.932 \| good	24.22 \| good	1.368 \| good	7.839 \| good	0.186 \| good
2026-04-25T06:00:00.000Z	27 \| good	5.456 \| good	23.395 \| good	24.351 \| good	1.129 \| good	5.567 \| good	0.162 \| good
2026-04-25T07:00:00.000Z	33 \| good	5.547 \| good	23.819 \| good	24.796 \| good	1.091 \| good	4.804 \| good	0.158 \| good
2026-04-25T08:00:00.000Z	25 \| good	4.372 \| good	19.029 \| good	26.653 \| good	1.054 \| good	4.04 \| good	0.153 \| good
2026-04-25T09:00:00.000Z	24 \| good	3.743 \| good	16.172 \| good	26.464 \| good	1.016 \| good	3.277 \| good	0.148 \| good
2026-04-25T10:00:00.000Z	22 \| good	3.69 \| good	16.155 \| good	23.628 \| good	1.02 \| good	3.691 \| good	0.15 \| good
2026-04-25T11:00:00.000Z	27 \| good	4.642 \| good	20.107 \| good	22.903 \| good	1.024 \| good	4.104 \| good	0.152 \| good
2026-04-25T12:00:00.000Z	27 \| good	4.799 \| good	20.905 \| good	27.898 \| good	1.029 \| good	4.518 \| good	0.154 \| good
2026-04-25T13:00:00.000Z	29 \| good	3.801 \| good	16.45 \| good	31.326 \| good	1.038 \| good	4.376 \| good	0.155 \| good
2026-04-25T14:00:00.000Z	29 \| good	3.059 \| good	12.788 \| good	30.613 \| good	1.047 \| good	4.233 \| good	0.156 \| good
2026-04-25T15:00:00.000Z	25 \| good	3.657 \| good	15.963 \| good	27.368 \| good	1.056 \| good	4.091 \| good	0.157 \| good
2026-04-25T16:00:00.000Z	26 \| good	4.202 \| good	18.416 \| good	27.552 \| good	1.011 \| good	3.639 \| good	0.154 \| good
2026-04-25T17:00:00.000Z	29 \| good	4.261 \| good	18.882 \| good	31.2 \| good	0.967 \| good	3.187 \| good	0.151 \| good
2026-04-25T18:00:00.000Z	30 \| good	4.173 \| good	18.427 \| good	31.703 \| good	0.922 \| good	2.736 \| good	0.148 \| good
2026-04-25T19:00:00.000Z	28 \| good	5.028 \| good	21.871 \| good	29.757 \| good	0.892 \| good	2.94 \| good	0.15 \| good
2026-04-25T20:00:00.000Z	38 \| good	6.9 \| good	30.447 \| good	29.308 \| good	0.861 \| good	3.145 \| good	0.152 \| good
2026-04-25T21:00:00.000Z	44 \| good	7.574 \| good	33.381 \| good	27.854 \| good	0.83 \| good	3.349 \| good	0.154 \| good
2026-04-25T22:00:00.000Z	33 \| good	5.717 \| good	24.588 \| good	26.722 \| good	0.828 \| good	3.978 \| good	0.16 \| good
2026-04-25T23:00:00.000Z	27 \| good	5.341 \| good	22.974 \| good	27.631 \| good	0.825 \| good	4.607 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	52 \| moderate	10.487 \| good	12.022 \| good	41.159 \| good	0.827 \| good	5.253 \| good	0.172 \| 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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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 carbon monoxide (CO) 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?

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