What is the current level of PM10 in West Chester, Pennsylvania?

West Chester, Pennsylvania currently has a PM10 concentration of 16.852 μg/m3.

What is the current level of sulfur dioxide (SO2) in West Chester, Pennsylvania?

The current sulfur dioxide (SO2) concentration in West Chester, Pennsylvania is 0.207 ppb.

What is the current level of ozone (O3) in West Chester, Pennsylvania?

West Chester, Pennsylvania currently has an ozone (O3) concentration of 32.751 ppm.

What is the current level of nitrogen dioxide (NO2) in West Chester, Pennsylvania?

The current level of nitrogen dioxide (NO2) in West Chester, Pennsylvania is 10.761 ppb.

Current air quality index in West Chester, Pennsylvania today

Q: What is the PM2.5 concentration in West Chester, Pennsylvania right now?

West Chester, Pennsylvania currently has a PM2.5 concentration of 4.758 μg/m3.

Stay updated with real-time air quality in West Chester, 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

West Chester, Pennsylvania

Last updated: ... (Local time)

Common air pollutants in West Chester, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.76 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.85 μg/m³

155

255

425

605+

Ozone (O₃)

32.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.76 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

West Chester, Pennsylvania

Scroll To Air Quality Map

Track live West Chester, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-13T15:00:00.000Z	22 \| good	4.348 \| good	19.794 \| good	23.09 \| good	0.245 \| good	13.715 \| good	0.349 \| good
2026-03-13T16:00:00.000Z	30 \| good	3.887 \| good	15.584 \| good	31.566 \| good	0.233 \| good	7.246 \| good	0.246 \| good
2026-03-13T17:00:00.000Z	25 \| good	3.762 \| good	16.323 \| good	26.716 \| good	0.283 \| good	6.039 \| good	0.217 \| good
2026-03-13T18:00:00.000Z	32 \| good	3.807 \| good	19.128 \| good	35.16 \| good	0.257 \| good	5.719 \| good	0.217 \| good
2026-03-13T19:00:00.000Z	33 \| good	4.292 \| good	20.032 \| good	36.424 \| good	0.29 \| good	4.832 \| good	0.229 \| good
2026-03-13T20:00:00.000Z	37 \| good	5.028 \| good	17.151 \| good	39.543 \| good	0.239 \| good	4.933 \| good	0.229 \| good
2026-03-13T21:00:00.000Z	40 \| good	3.106 \| good	13.679 \| good	42.678 \| good	0.272 \| good	3.945 \| good	0.246 \| good
2026-03-13T22:00:00.000Z	40 \| good	3.546 \| good	15.246 \| good	42.705 \| good	0.269 \| good	3.139 \| good	0.246 \| good
2026-03-13T23:00:00.000Z	39 \| good	5.182 \| good	16.998 \| good	42.046 \| good	0.203 \| good	4.011 \| good	0.246 \| good
2026-03-14T00:00:00.000Z	37 \| good	3.339 \| good	14.167 \| good	40.478 \| good	0.218 \| good	4.42 \| good	0.254 \| good
2026-03-14T01:00:00.000Z	38 \| good	5.497 \| good	19.119 \| good	41.217 \| good	0.185 \| good	4.927 \| good	0.283 \| good
2026-03-14T02:00:00.000Z	38 \| good	4.177 \| good	21.385 \| good	41.077 \| good	0.212 \| good	7.052 \| good	0.283 \| good
2026-03-14T03:00:00.000Z	34 \| good	4.097 \| good	20.028 \| good	37.173 \| good	0.244 \| good	9.361 \| good	0.315 \| good
2026-03-14T04:00:00.000Z	32 \| good	4.641 \| good	16.342 \| good	34.995 \| good	0.254 \| good	10.103 \| good	0.323 \| good
2026-03-14T05:00:00.000Z	28 \| good	4.62 \| good	16.648 \| good	30.223 \| good	0.243 \| good	13.189 \| good	0.308 \| good
2026-03-14T06:00:00.000Z	23 \| good	4.192 \| good	24.581 \| good	22.503 \| good	0.24 \| good	16.357 \| good	0.316 \| good
2026-03-14T07:00:00.000Z	27 \| good	5.138 \| good	19.729 \| good	21.227 \| good	0.242 \| good	16.087 \| good	0.372 \| good
2026-03-14T08:00:00.000Z	27 \| good	5.119 \| good	27.47 \| good	22.094 \| good	0.238 \| good	19.497 \| good	0.451 \| good
2026-03-14T09:00:00.000Z	27 \| good	5.063 \| good	25.317 \| good	18.028 \| good	0.334 \| good	21.146 \| good	0.436 \| good
2026-03-14T10:00:00.000Z	33 \| good	5.798 \| good	29.84 \| good	16.36 \| good	0.356 \| good	24.335 \| good	0.457 \| good
2026-03-14T11:00:00.000Z	25 \| good	3.792 \| good	13.026 \| good	27.078 \| good	0.369 \| good	23.535 \| good	0.54 \| good
2026-03-14T12:00:00.000Z	27 \| good	4.87 \| good	26.497 \| good	20.325 \| good	0.224 \| good	17.285 \| good	0.392 \| good
2026-03-14T13:00:00.000Z	26 \| good	3.777 \| good	22.974 \| good	28.008 \| good	0.223 \| good	15.301 \| good	0.29 \| good
2026-03-14T14:00:00.000Z	31 \| good	3.666 \| good	23.212 \| good	33.686 \| good	0.238 \| good	6.949 \| good	0.25 \| good
2026-03-14T15:00:00.000Z	36 \| good	3.297 \| good	22.337 \| good	38.955 \| good	0.236 \| good	3.94 \| good	0.221 \| good
2026-03-14T16:00:00.000Z	36 \| good	2.362 \| good	8.245 \| good	38.567 \| good	0.251 \| good	2.921 \| good	0.221 \| good
2026-03-14T17:00:00.000Z	38 \| good	2.66 \| good	10.187 \| good	41.284 \| good	0.249 \| good	2.966 \| good	0.198 \| good
2026-03-14T18:00:00.000Z	41 \| good	2.286 \| good	11.979 \| good	43.563 \| good	0.201 \| good	2.674 \| good	0.198 \| good
2026-03-14T19:00:00.000Z	40 \| good	1.928 \| good	7.244 \| good	42.896 \| good	0.218 \| good	2.386 \| good	0.221 \| good
2026-03-14T20:00:00.000Z	42 \| good	2.474 \| good	9.01 \| good	44.566 \| good	0.337 \| good	2.177 \| good	0.198 \| good
2026-03-14T21:00:00.000Z	44 \| good	2.757 \| good	11.511 \| good	46.578 \| good	0.311 \| good	2.764 \| good	0.198 \| good
2026-03-14T22:00:00.000Z	41 \| good	4.019 \| good	20.656 \| good	44.473 \| good	0.393 \| good	3.679 \| good	0.198 \| good
2026-03-14T23:00:00.000Z	40 \| good	3.274 \| good	13.348 \| good	42.572 \| good	0.233 \| good	3.253 \| good	0.198 \| good
2026-03-15T00:00:00.000Z	40 \| good	2.689 \| good	14.131 \| good	43.112 \| good	0.171 \| good	3.544 \| good	0.206 \| good
2026-03-15T01:00:00.000Z	40 \| good	3.01 \| good	12.141 \| good	42.687 \| good	0.169 \| good	10.097 \| good	0.224 \| good
2026-03-15T02:00:00.000Z	37 \| good	3.897 \| good	17.183 \| good	40.244 \| good	0.148 \| good	16.701 \| good	0.308 \| good
2026-03-15T03:00:00.000Z	37 \| good	3.905 \| good	24.388 \| good	39.748 \| good	0.202 \| good	16.878 \| good	0.393 \| good
2026-03-15T04:00:00.000Z	31 \| good	3.797 \| good	13.345 \| good	33.629 \| good	0.198 \| good	15.157 \| good	0.393 \| good
2026-03-15T05:00:00.000Z	27 \| good	4.697 \| good	15.792 \| good	28.462 \| good	0.24 \| good	24.094 \| good	0.393 \| good
2026-03-15T06:00:00.000Z	43 \| good	6.452 \| good	45.746 \| good	31.165 \| good	0.255 \| good	26.581 \| good	0.41 \| good
2026-03-15T07:00:00.000Z	33 \| good	6.215 \| good	24.105 \| good	30.655 \| good	0.263 \| good	17.332 \| good	0.338 \| good
2026-03-15T08:00:00.000Z	24 \| good	4.342 \| good	23.09 \| good	26.458 \| good	0.306 \| good	10.147 \| good	0.317 \| good
2026-03-15T09:00:00.000Z	28 \| good	4.431 \| good	12.471 \| good	30.008 \| good	0.236 \| good	10.523 \| good	0.225 \| good
2026-03-15T10:00:00.000Z	28 \| good	4.189 \| good	18.686 \| good	30.339 \| good	0.164 \| good	9.949 \| good	0.247 \| good
2026-03-15T11:00:00.000Z	27 \| good	4.54 \| good	21.25 \| good	29.071 \| good	0.189 \| good	7.884 \| good	0.217 \| good
2026-03-15T12:00:00.000Z	30 \| good	4.752 \| good	18.263 \| good	32.132 \| good	0.2 \| good	8.291 \| good	0.262 \| good
2026-03-15T13:00:00.000Z	31 \| good	4.758 \| good	16.852 \| good	32.751 \| good	0.207 \| good	10.761 \| good	0.291 \| good
2026-03-15T14:00:00.000Z	31 \| good	4.758 \| good	16.852 \| good	32.751 \| good	0.207 \| good	10.761 \| good	0.291 \| good
2026-03-15T15:00:00.000Z	34 \| good	4.358 \| good	19.164 \| good	37.01 \| good	2.026 \| good	7.397 \| good	0.197 \| good
2026-03-15T16:00:00.000Z	36 \| good	3.356 \| good	15.057 \| good	39.199 \| good	1.697 \| good	5.817 \| good	0.187 \| good
2026-03-15T17:00:00.000Z	38 \| good	2.948 \| good	12.033 \| good	40.575 \| good	1.368 \| good	4.237 \| good	0.178 \| good
2026-03-15T18:00:00.000Z	41 \| good	2.465 \| good	10.038 \| good	44.485 \| good	1.038 \| good	2.657 \| good	0.169 \| good
2026-03-15T19:00:00.000Z	43 \| good	2.897 \| good	11.914 \| good	45.753 \| good	0.979 \| good	2.628 \| good	0.168 \| good
2026-03-15T20:00:00.000Z	42 \| good	3.027 \| good	12.335 \| good	44.717 \| good	0.92 \| good	2.599 \| good	0.167 \| good
2026-03-15T21:00:00.000Z	41 \| good	3.135 \| good	13.235 \| good	43.657 \| good	0.861 \| good	2.57 \| good	0.167 \| good
2026-03-15T22:00:00.000Z	39 \| good	3.576 \| good	15.566 \| good	41.943 \| good	0.856 \| good	3.179 \| good	0.169 \| good
2026-03-15T23:00:00.000Z	40 \| good	3.197 \| good	14.048 \| good	43.35 \| good	0.85 \| good	3.788 \| good	0.172 \| good
2026-03-16T00:00:00.000Z	37 \| good	4.253 \| good	18.496 \| good	40.266 \| good	0.845 \| good	4.397 \| good	0.174 \| good
2026-03-16T01:00:00.000Z	34 \| good	5 \| good	21.61 \| good	37.368 \| good	0.809 \| good	3.92 \| good	0.167 \| good
2026-03-16T02:00:00.000Z	33 \| good	5.378 \| good	23.278 \| good	35.72 \| good	0.774 \| good	3.444 \| good	0.16 \| good
2026-03-16T03:00:00.000Z	38 \| good	6.663 \| good	29.61 \| good	35.958 \| good	0.738 \| good	2.967 \| good	0.153 \| good
2026-03-16T04:00:00.000Z	44 \| good	7.765 \| good	33.837 \| good	37.411 \| good	0.676 \| good	2.563 \| good	0.148 \| good
2026-03-16T05:00:00.000Z	38 \| good	7.314 \| good	32.246 \| good	39.673 \| good	0.613 \| good	2.158 \| good	0.143 \| good
2026-03-16T06:00:00.000Z	38 \| good	6.765 \| good	30.102 \| good	35.56 \| good	0.551 \| good	1.753 \| good	0.138 \| good
2026-03-16T07:00:00.000Z	33 \| good	6.168 \| good	27.285 \| good	31.257 \| good	0.505 \| good	1.649 \| good	0.134 \| good
2026-03-16T08:00:00.000Z	33 \| good	5.856 \| good	25.445 \| good	27.498 \| good	0.458 \| good	1.545 \| good	0.13 \| good
2026-03-16T09:00:00.000Z	33 \| good	5.73 \| good	25.252 \| good	25.172 \| good	0.412 \| good	1.44 \| good	0.125 \| good
2026-03-16T10:00:00.000Z	33 \| good	5.838 \| good	25.439 \| good	26.601 \| good	0.424 \| good	2.063 \| good	0.124 \| good
2026-03-16T11:00:00.000Z	27 \| good	5.405 \| good	23.111 \| good	24.587 \| good	0.436 \| good	2.686 \| good	0.122 \| good
2026-03-16T12:00:00.000Z	22 \| good	4.139 \| good	18.174 \| good	20.514 \| good	0.448 \| good	3.308 \| good	0.121 \| good
2026-03-16T13:00:00.000Z	21 \| good	3.393 \| good	15.208 \| good	22.882 \| good	0.437 \| good	3.502 \| good	0.122 \| good
2026-03-16T14:00:00.000Z	22 \| good	3.652 \| good	16.111 \| good	24.246 \| good	0.426 \| good	3.696 \| good	0.124 \| good
2026-03-16T15:00:00.000Z	22 \| good	3.838 \| good	16.795 \| good	24.33 \| good	0.415 \| good	3.89 \| good	0.125 \| good
2026-03-16T16:00:00.000Z	23 \| good	3.221 \| good	13.567 \| good	25.339 \| good	0.43 \| good	3.471 \| good	0.123 \| good
2026-03-16T17:00:00.000Z	25 \| good	3.057 \| good	12.847 \| good	26.604 \| good	0.445 \| good	3.051 \| good	0.122 \| good
2026-03-16T18:00:00.000Z	28 \| good	1.183 \| good	4.718 \| good	29.685 \| good	0.46 \| good	2.631 \| good	0.12 \| good
2026-03-16T19:00:00.000Z	27 \| good	1.891 \| good	7.79 \| good	29.335 \| good	0.493 \| good	2.759 \| good	0.12 \| good
2026-03-16T20:00:00.000Z	29 \| good	2.395 \| good	10.076 \| good	31.052 \| good	0.526 \| good	2.887 \| good	0.119 \| good
2026-03-16T21:00:00.000Z	30 \| good	5.315 \| good	22.637 \| good	32.137 \| good	0.559 \| good	3.016 \| good	0.118 \| good
2026-03-16T22:00:00.000Z	32 \| good	5.476 \| good	23.515 \| good	34.769 \| good	0.486 \| good	2.801 \| good	0.116 \| good
2026-03-16T23:00:00.000Z	37 \| good	6.26 \| good	27.706 \| good	39.82 \| good	0.412 \| good	2.587 \| good	0.114 \| good
2026-03-17T00:00:00.000Z	33 \| good	5.472 \| good	23.392 \| good	36.463 \| good	0.338 \| good	2.372 \| good	0.112 \| good
2026-03-17T01:00:00.000Z	33 \| good	4.869 \| good	20.966 \| good	35.701 \| good	1.044 \| good	2.503 \| good	0.125 \| good
2026-03-17T02:00:00.000Z	26 \| good	2.394 \| good	9.878 \| good	27.957 \| good	1.751 \| good	2.633 \| good	0.138 \| good
2026-03-17T03:00:00.000Z	24 \| good	1.609 \| good	6.729 \| good	25.971 \| good	2.457 \| good	2.764 \| good	0.151 \| good
2026-03-17T04:00:00.000Z	22 \| good	1.933 \| good	7.874 \| good	24.355 \| good	2.438 \| good	2.677 \| good	0.157 \| good
2026-03-17T05:00:00.000Z	21 \| good	2.152 \| good	8.798 \| good	22.747 \| good	2.419 \| good	2.59 \| good	0.162 \| good
2026-03-17T06:00:00.000Z	33 \| good	3.224 \| good	3.271 \| good	35.853 \| good	2.402 \| good	2.511 \| good	0.167 \| good
2026-03-17T07:00:00.000Z	20 \| good	2.839 \| good	11.88 \| good	22.075 \| good	1.911 \| good	2.259 \| good	0.169 \| good
2026-03-17T08:00:00.000Z	19 \| good	3.236 \| good	14.208 \| good	19.805 \| good	1.422 \| good	2.014 \| good	0.172 \| good
2026-03-17T09:00:00.000Z	20 \| good	3.36 \| good	14.606 \| good	22.357 \| good	0.932 \| good	1.77 \| good	0.174 \| good
2026-03-17T10:00:00.000Z	20 \| good	3.439 \| good	15.086 \| good	21.752 \| good	1.011 \| good	2.053 \| good	0.174 \| good
2026-03-17T11:00:00.000Z	22 \| good	3.626 \| good	15.962 \| good	20.872 \| good	1.09 \| good	2.335 \| good	0.174 \| good
2026-03-17T12:00:00.000Z	36 \| good	4.074 \| good	4.177 \| good	38.838 \| good	1.169 \| good	2.629 \| good	0.175 \| good
2026-03-17T13:00:00.000Z	37 \| good	3.726 \| good	3.864 \| good	40.181 \| good	1.204 \| good	2.286 \| good	0.172 \| good
2026-03-17T14:00:00.000Z	39 \| good	3.639 \| good	3.786 \| good	41.524 \| good	1.24 \| good	1.942 \| good	0.169 \| good

West Chester

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near West Chester, Pennsylvania

0.31ppm

How accurate is Pennsylvania, USA air quality data?

The air quality data for Pennsylvania, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable 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 frequently does the air quality data for West Chester, Pennsylvania get updated?

Air quality updates for West Chester, Pennsylvania are available every hour.

What time in the past 24 hours saw the poorest air quality in West Chester, Pennsylvania?

West Chester, Pennsylvania experienced its worst air quality at 09:00:00, 2026-03-14.

When was air quality in West Chester, Pennsylvania the best over the past 24 hours?

The best air quality in West Chester, Pennsylvania was observed at 08:00:00 on 2026-03-15.

What is the air quality in West Chester, Pennsylvania right now?

The air quality in West Chester, Pennsylvania right now is Good, with an AQI of 31.

What pollutant is most frequently found in West Chester, Pennsylvania?

In West Chester, Pennsylvania, O3 is the most frequently found pollutant.

What can I do if the air quality in West Chester, Pennsylvania is poor?

When air quality in West Chester, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in West Chester, Pennsylvania right now?

West Chester, Pennsylvania currently has a PM_2.5 concentration of 4.758 μg/m³.

What is the current level of PM₁₀ in West Chester, Pennsylvania?

West Chester, Pennsylvania currently has a PM₁₀ concentration of 16.852 μg/m³.

What is the current level of carbon monoxide (CO) in West Chester, Pennsylvania?

The current carbon monoxide (CO) level in West Chester, Pennsylvania is 0.291 ppm.

What is the current level of sulfur dioxide (SO₂) in West Chester, Pennsylvania?

The current sulfur dioxide (SO₂) concentration in West Chester, Pennsylvania is 0.207 ppb.

What is the current level of ozone (O₃) in West Chester, Pennsylvania?

West Chester, Pennsylvania currently has an ozone (O₃) concentration of 32.751 ppm.

What is the current level of nitrogen dioxide (NO₂) in West Chester, Pennsylvania?

The current level of nitrogen dioxide (NO₂) in West Chester, Pennsylvania is 10.761 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions