What are the current PM10 levels at Caln, Pennsylvania?

The current PM10 levels in Caln, Pennsylvania are 17.986 μg/m3.

What are the current sulfur dioxide (SO2) levels at Caln, Pennsylvania?

The current sulfur dioxide (SO2) levels in Caln, Pennsylvania are 2.809 ppb.

What are the current ozone (O3) levels at Caln, Pennsylvania?

The current ozone (O3) levels at Caln, Pennsylvania is 28.664 ppm.

What are the current nitrogen dioxide (NO2) levels at Caln, Pennsylvania?

The current nitrogen dioxide (NO2) levels at Caln, Pennsylvania is 23.773 ppb.

Real-time air quality index in Caln, Pennsylvania today

Q: What are the current PM2.5 levels in Caln, Pennsylvania?

The measured PM2.5 levels in Caln, Pennsylvania at present are 4.052 μg/m3.

Stay updated with real-time air quality in Caln, 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

Caln, Pennsylvania

Last updated: ... (Local time)

Common air pollutants in Caln, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.99 μg/m³

155

255

425

605+

Ozone (O₃)

28.66 ppb

201

201+

Sulfur Dioxide (SO₂)

2.81 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.77 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Very high

Caln, Pennsylvania

Get Live Pollen Counts

Caln, Pennsylvania

Scroll To Air Quality Map

Track live Caln, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T04:00:00.000Z	41 \| good	5.4 \| good	20.637 \| good	43.661 \| good	0.253 \| good	10.377 \| good	0.214 \| good
2026-04-22T05:00:00.000Z	39 \| good	4.649 \| good	21.22 \| good	42.055 \| good	0.296 \| good	7.889 \| good	0.201 \| good
2026-04-22T06:00:00.000Z	39 \| good	4.26 \| good	18.118 \| good	41.552 \| good	0.256 \| good	6.779 \| good	0.191 \| good
2026-04-22T07:00:00.000Z	39 \| good	4.237 \| good	17.87 \| good	42.243 \| good	0.249 \| good	7.781 \| good	0.155 \| good
2026-04-22T08:00:00.000Z	36 \| good	4.171 \| good	16.909 \| good	39.287 \| good	0.169 \| good	6.534 \| good	0.164 \| good
2026-04-22T09:00:00.000Z	36 \| good	5.512 \| good	21.513 \| good	39.105 \| good	0.181 \| good	10.317 \| good	0.171 \| good
2026-04-22T10:00:00.000Z	38 \| good	4.042 \| good	19.235 \| good	40.507 \| good	0.171 \| good	12.11 \| good	0.171 \| good
2026-04-22T11:00:00.000Z	37 \| good	5.474 \| good	25.517 \| good	39.872 \| good	0.11 \| good	9.71 \| good	0.191 \| good
2026-04-22T12:00:00.000Z	38 \| good	4.069 \| good	19.551 \| good	40.585 \| good	0.331 \| good	12.485 \| good	0.237 \| good
2026-04-22T13:00:00.000Z	39 \| good	4.468 \| good	20.413 \| good	42.22 \| good	0.354 \| good	10.285 \| good	0.265 \| good
2026-04-22T14:00:00.000Z	40 \| good	5.17 \| good	21.781 \| good	42.599 \| good	0.287 \| good	8.786 \| good	0.287 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.93 \| good	32.697 \| good	38.931 \| good	0.353 \| good	7.934 \| good	0.268 \| good
2026-04-22T16:00:00.000Z	38 \| good	5.32 \| good	22.304 \| good	40.668 \| good	0.272 \| good	9.209 \| good	0.309 \| good
2026-04-22T17:00:00.000Z	44 \| good	8.223 \| good	36.762 \| good	37.14 \| good	0.292 \| good	16.819 \| good	0.319 \| good
2026-04-22T18:00:00.000Z	38 \| good	7.004 \| good	37.576 \| good	39.626 \| good	0.361 \| good	15.775 \| good	0.319 \| good
2026-04-22T19:00:00.000Z	38 \| good	7.082 \| good	33.991 \| good	39.681 \| good	0.459 \| good	11.692 \| good	0.3 \| good
2026-04-22T20:00:00.000Z	56 \| moderate	12.002 \| good	48.905 \| good	42.217 \| good	0.581 \| good	9.005 \| good	0.3 \| good
2026-04-22T21:00:00.000Z	44 \| good	7.504 \| good	31.281 \| good	43.437 \| good	0.576 \| good	7.019 \| good	0.291 \| good
2026-04-22T22:00:00.000Z	54 \| moderate	11.005 \| good	46.81 \| good	46.897 \| good	0.637 \| good	6.979 \| good	0.278 \| good
2026-04-22T23:00:00.000Z	52 \| moderate	10.009 \| good	41.406 \| good	44.941 \| good	0.574 \| good	7.185 \| good	0.355 \| good
2026-04-23T00:00:00.000Z	49 \| good	8.722 \| good	44.682 \| good	44.339 \| good	0.48 \| good	7.875 \| good	0.378 \| good
2026-04-23T01:00:00.000Z	49 \| good	8.558 \| good	34.355 \| good	45.649 \| good	0.463 \| good	9 \| good	0.313 \| good
2026-04-23T02:00:00.000Z	52 \| moderate	10.198 \| good	44.625 \| good	37.321 \| good	0.449 \| good	16.675 \| good	0.3 \| good
2026-04-23T03:00:00.000Z	58 \| moderate	13.146 \| fine	50.924 \| good	33.455 \| good	0.442 \| good	14.287 \| good	0.331 \| good
2026-04-23T04:00:00.000Z	62 \| moderate	15.172 \| fine	66.748 \| fine	31.899 \| good	0.385 \| good	9.003 \| good	0.332 \| good
2026-04-23T05:00:00.000Z	56 \| moderate	11.737 \| good	49.896 \| good	26.653 \| good	0.347 \| good	10.642 \| good	0.282 \| good
2026-04-23T06:00:00.000Z	56 \| moderate	11.932 \| good	52.119 \| good	28.998 \| good	0.306 \| good	14.683 \| good	0.273 \| good
2026-04-23T07:00:00.000Z	54 \| moderate	11.388 \| good	47.873 \| good	24.203 \| good	0.324 \| good	14.988 \| good	0.245 \| good
2026-04-23T08:00:00.000Z	52 \| moderate	10.217 \| good	43.466 \| good	23.232 \| good	0.362 \| good	16.308 \| good	0.255 \| good
2026-04-23T09:00:00.000Z	52 \| moderate	9.832 \| good	39.014 \| good	19.343 \| good	0.363 \| good	13.053 \| good	0.255 \| good
2026-04-23T10:00:00.000Z	56 \| moderate	11.681 \| good	46.401 \| good	22.848 \| good	0.355 \| good	14.781 \| good	0.305 \| good
2026-04-23T11:00:00.000Z	54 \| moderate	10.538 \| good	48.818 \| good	23.507 \| good	0.393 \| good	19.7 \| good	0.355 \| good
2026-04-23T12:00:00.000Z	58 \| moderate	12.631 \| fine	56.694 \| fine	23.468 \| good	0.454 \| good	19.932 \| good	0.425 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	15.491 \| fine	70.511 \| fine	24.232 \| good	0.526 \| good	19.805 \| good	0.519 \| good
2026-04-23T14:00:00.000Z	68 \| moderate	17.453 \| fine	88.57 \| fine	18.793 \| good	0.476 \| good	14.292 \| good	0.514 \| good
2026-04-23T15:00:00.000Z	66 \| moderate	17.282 \| fine	68.8 \| fine	23.375 \| good	0.59 \| good	11.256 \| good	0.431 \| good
2026-04-23T16:00:00.000Z	62 \| moderate	14.814 \| fine	57.45 \| fine	30.583 \| good	0.445 \| good	8.236 \| good	0.34 \| good
2026-04-23T17:00:00.000Z	62 \| moderate	15.125 \| fine	62.094 \| fine	40.078 \| good	0.445 \| good	10.021 \| good	0.272 \| good
2026-04-23T18:00:00.000Z	52 \| moderate	9.794 \| good	50.407 \| good	51.314 \| good	0.449 \| good	11.622 \| good	0.227 \| good
2026-04-23T19:00:00.000Z	51 \| moderate	8.118 \| good	32.852 \| good	55.305 \| fine	0.449 \| good	9.75 \| good	0.227 \| good
2026-04-23T20:00:00.000Z	64 \| moderate	8.601 \| good	34.584 \| good	59.035 \| fine	0.45 \| good	9.168 \| good	0.224 \| good
2026-04-23T21:00:00.000Z	77 \| moderate	8.46 \| good	28.167 \| good	62.811 \| fine	0.555 \| good	9.289 \| good	0.246 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	8.001 \| good	31.005 \| good	61.598 \| fine	0.556 \| good	9.4 \| good	0.242 \| good
2026-04-23T23:00:00.000Z	64 \| moderate	8.128 \| good	30.043 \| good	59.224 \| fine	0.389 \| good	8.428 \| good	0.224 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	8.272 \| good	34.986 \| good	58.491 \| fine	0.327 \| good	16.488 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	49 \| good	9.422 \| good	34.488 \| good	49.842 \| good	0.319 \| good	11.586 \| good	0.261 \| good
2026-04-24T02:00:00.000Z	58 \| moderate	13.326 \| fine	44.198 \| good	42.156 \| good	0.404 \| good	19.109 \| good	0.406 \| good
2026-04-24T03:00:00.000Z	25 \| good	3.808 \| good	16.614 \| good	27.397 \| good	2.685 \| good	25.915 \| good	0.39 \| good
2026-04-24T03:00:00.000Z	27 \| good	4.052 \| good	17.986 \| good	28.664 \| good	2.809 \| good	23.773 \| good	0.378 \| good
2026-04-24T04:00:00.000Z	23 \| good	2.505 \| good	10.108 \| good	25.322 \| good	1.374 \| good	8.009 \| good	0.214 \| good
2026-04-24T05:00:00.000Z	22 \| good	3.071 \| good	12.427 \| good	23.809 \| good	1.189 \| good	7.213 \| good	0.197 \| good
2026-04-24T06:00:00.000Z	21 \| good	2.768 \| good	11.386 \| good	22.548 \| good	1.005 \| good	6.417 \| good	0.181 \| good
2026-04-24T07:00:00.000Z	20 \| good	2.361 \| good	9.876 \| good	21.838 \| good	1.246 \| good	6.848 \| good	0.183 \| good
2026-04-24T08:00:00.000Z	19 \| good	2.287 \| good	9.422 \| good	20.736 \| good	1.486 \| good	7.28 \| good	0.185 \| good
2026-04-24T09:00:00.000Z	17 \| good	1.977 \| good	8 \| good	18.203 \| good	1.727 \| good	7.711 \| good	0.187 \| good
2026-04-24T10:00:00.000Z	22 \| good	3.687 \| good	16.036 \| good	18.221 \| good	1.698 \| good	7.459 \| good	0.201 \| good
2026-04-24T11:00:00.000Z	22 \| good	3.86 \| good	16.739 \| good	19.563 \| good	1.67 \| good	7.207 \| good	0.215 \| good
2026-04-24T12:00:00.000Z	24 \| good	4.114 \| good	18.04 \| good	25.674 \| good	1.641 \| good	6.956 \| good	0.23 \| good
2026-04-24T13:00:00.000Z	29 \| good	3.544 \| good	15.915 \| good	30.704 \| good	1.453 \| good	5.581 \| good	0.207 \| good
2026-04-24T14:00:00.000Z	29 \| good	3.152 \| good	13.774 \| good	30.849 \| good	1.265 \| good	4.207 \| good	0.183 \| good
2026-04-24T15:00:00.000Z	28 \| good	3.027 \| good	12.47 \| good	30.314 \| good	1.076 \| good	2.832 \| good	0.16 \| good
2026-04-24T16:00:00.000Z	28 \| good	2.946 \| good	12 \| good	30.471 \| good	1.219 \| good	2.478 \| good	0.159 \| good
2026-04-24T17:00:00.000Z	30 \| good	3.022 \| good	12 \| good	31.982 \| good	1.361 \| good	2.124 \| good	0.158 \| good
2026-04-24T18:00:00.000Z	32 \| good	3.442 \| good	15.255 \| good	34.738 \| good	1.503 \| good	1.77 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	35 \| good	4.153 \| good	18.326 \| good	38.488 \| good	1.6 \| good	1.757 \| good	0.159 \| good
2026-04-24T20:00:00.000Z	38 \| good	5.018 \| good	21.822 \| good	41.076 \| good	1.697 \| good	1.744 \| good	0.161 \| good
2026-04-24T21:00:00.000Z	40 \| good	6.135 \| good	27.402 \| good	43.183 \| good	1.794 \| good	1.731 \| good	0.163 \| good
2026-04-24T22:00:00.000Z	40 \| good	7.015 \| good	30.95 \| good	43.087 \| good	2.008 \| good	6.253 \| good	0.203 \| good
2026-04-24T23:00:00.000Z	39 \| good	6.882 \| good	30.294 \| good	41.731 \| good	2.221 \| good	10.776 \| good	0.243 \| good
2026-04-25T00:00:00.000Z	38 \| good	6.875 \| good	30.186 \| good	37.718 \| good	2.435 \| good	15.299 \| good	0.283 \| good
2026-04-25T01:00:00.000Z	44 \| good	7.593 \| good	33.509 \| good	34.304 \| good	2.386 \| good	15.066 \| good	0.278 \| good
2026-04-25T02:00:00.000Z	38 \| good	7.375 \| good	32.469 \| good	29.241 \| good	2.336 \| good	14.833 \| good	0.274 \| good
2026-04-25T03:00:00.000Z	33 \| good	5.645 \| good	24.805 \| good	28.918 \| good	2.287 \| good	14.6 \| good	0.269 \| good
2026-04-25T04:00:00.000Z	27 \| good	4.828 \| good	21.098 \| good	28.293 \| good	1.933 \| good	11.873 \| good	0.238 \| good
2026-04-25T05:00:00.000Z	27 \| good	4.71 \| good	20.612 \| good	26.329 \| good	1.579 \| good	9.147 \| good	0.206 \| good
2026-04-25T06:00:00.000Z	27 \| good	4.885 \| good	21.029 \| good	24.463 \| good	1.225 \| good	6.421 \| good	0.175 \| good
2026-04-25T07:00:00.000Z	27 \| good	4.847 \| good	21.105 \| good	23.146 \| good	1.163 \| good	5.391 \| good	0.167 \| good
2026-04-25T08:00:00.000Z	22 \| good	4.316 \| good	19.056 \| good	24.231 \| good	1.102 \| good	4.361 \| good	0.158 \| good
2026-04-25T09:00:00.000Z	22 \| good	4.273 \| good	18.876 \| good	24.39 \| good	1.04 \| good	3.33 \| good	0.15 \| good
2026-04-25T10:00:00.000Z	27 \| good	4.667 \| good	20.523 \| good	23.24 \| good	1.042 \| good	3.684 \| good	0.151 \| good
2026-04-25T11:00:00.000Z	27 \| good	4.832 \| good	21 \| good	23.455 \| good	1.044 \| good	4.037 \| good	0.152 \| good
2026-04-25T12:00:00.000Z	25 \| good	4.455 \| good	19 \| good	26.682 \| good	1.046 \| good	4.391 \| good	0.154 \| good
2026-04-25T13:00:00.000Z	27 \| good	3.471 \| good	15.278 \| good	29.436 \| good	1.054 \| good	4.332 \| good	0.155 \| good
2026-04-25T14:00:00.000Z	27 \| good	2.765 \| good	11.129 \| good	28.727 \| good	1.061 \| good	4.273 \| good	0.157 \| good
2026-04-25T15:00:00.000Z	25 \| good	3.116 \| good	13.158 \| good	26.759 \| good	1.069 \| good	4.214 \| good	0.158 \| good
2026-04-25T16:00:00.000Z	25 \| good	4.252 \| good	18.892 \| good	26.612 \| good	1.027 \| good	3.849 \| good	0.156 \| good
2026-04-25T17:00:00.000Z	28 \| good	4.992 \| good	21.443 \| good	30.41 \| good	0.985 \| good	3.484 \| good	0.153 \| good
2026-04-25T18:00:00.000Z	30 \| good	4.751 \| good	20.812 \| good	31.871 \| good	0.943 \| good	3.119 \| good	0.15 \| good
2026-04-25T19:00:00.000Z	28 \| good	5.315 \| good	22.93 \| good	30 \| good	0.907 \| good	3.244 \| good	0.152 \| good
2026-04-25T20:00:00.000Z	38 \| good	6.574 \| good	29.508 \| good	30.145 \| good	0.871 \| good	3.368 \| good	0.154 \| good
2026-04-25T21:00:00.000Z	38 \| good	7.081 \| good	31.449 \| good	29.726 \| good	0.835 \| good	3.493 \| good	0.156 \| good
2026-04-25T22:00:00.000Z	33 \| good	5.741 \| good	24.793 \| good	29.001 \| good	0.828 \| good	4.047 \| good	0.161 \| good
2026-04-25T23:00:00.000Z	28 \| good	4.791 \| good	20.887 \| good	30.12 \| good	0.821 \| good	4.601 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	52 \| moderate	10.163 \| good	11.503 \| good	40.779 \| good	0.821 \| good	5.209 \| good	0.172 \| good
2026-04-26T01:00:00.000Z	30 \| good	4.346 \| good	18.924 \| good	31.521 \| good	0.786 \| good	4.73 \| good	0.168 \| good
2026-04-26T02:00:00.000Z	33 \| good	5.846 \| good	25.562 \| good	26.939 \| good	0.758 \| good	4.306 \| good	0.163 \| good
2026-04-26T03:00:00.000Z	33 \| good	5.69 \| good	24.616 \| good	27.5 \| good	0.73 \| good	3.882 \| good	0.159 \| good

Caln

Empower business decisions with accurate air quality data

Caln, Pennsylvania air quality map: Real-time AQI near you

0.41ppm

How accurate is Pennsylvania, USA air quality data?

Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Caln, Pennsylvania updated?

Air quality data for Caln, Pennsylvania is updated on an hourly basis.

When did Caln, Pennsylvania experience the worst air quality in the last 24 hours?

The worst air quality in Caln, Pennsylvania was recorded at 09:00:00 on 2026-04-23.

When did Caln, Pennsylvania have its best air quality in the last 24 hours?

The best air quality in Caln, Pennsylvania was recorded at 01:00:00 on 2026-04-24.

What is the real-time air quality index for Caln, Pennsylvania?

The real-time air quality index in Caln, Pennsylvania is 27, currently categorized as Good.

Which pollutant is found most often in Caln, Pennsylvania?

The most common pollutant in Caln, Pennsylvania is O3.

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

If the air quality in Caln, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Caln, Pennsylvania?

The measured PM_2.5 levels in Caln, Pennsylvania at present are 4.052 μg/m³.

What are the current PM₁₀ levels at Caln, Pennsylvania?

The current PM₁₀ levels in Caln, Pennsylvania are 17.986 μg/m³.

What are the current carbon monoxide (CO) levels at Caln, Pennsylvania?

The current carbon monoxide (CO) level in Caln, Pennsylvania is 0.378 ppm.

What are the current sulfur dioxide (SO₂) levels at Caln, Pennsylvania?

The current sulfur dioxide (SO₂) levels in Caln, Pennsylvania are 2.809 ppb.

What are the current ozone (O₃) levels at Caln, Pennsylvania?

The current ozone (O₃) levels at Caln, Pennsylvania is 28.664 ppm.

What are the current nitrogen dioxide (NO₂) levels at Caln, Pennsylvania?

The current nitrogen dioxide (NO₂) levels at Caln, Pennsylvania is 23.773 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T04:00:00.000Z	41 \| good	5.4 \| good	20.637 \| good	43.661 \| good	0.253 \| good	10.377 \| good	0.214 \| good
2026-04-22T05:00:00.000Z	39 \| good	4.649 \| good	21.22 \| good	42.055 \| good	0.296 \| good	7.889 \| good	0.201 \| good
2026-04-22T06:00:00.000Z	39 \| good	4.26 \| good	18.118 \| good	41.552 \| good	0.256 \| good	6.779 \| good	0.191 \| good
2026-04-22T07:00:00.000Z	39 \| good	4.237 \| good	17.87 \| good	42.243 \| good	0.249 \| good	7.781 \| good	0.155 \| good
2026-04-22T08:00:00.000Z	36 \| good	4.171 \| good	16.909 \| good	39.287 \| good	0.169 \| good	6.534 \| good	0.164 \| good
2026-04-22T09:00:00.000Z	36 \| good	5.512 \| good	21.513 \| good	39.105 \| good	0.181 \| good	10.317 \| good	0.171 \| good
2026-04-22T10:00:00.000Z	38 \| good	4.042 \| good	19.235 \| good	40.507 \| good	0.171 \| good	12.11 \| good	0.171 \| good
2026-04-22T11:00:00.000Z	37 \| good	5.474 \| good	25.517 \| good	39.872 \| good	0.11 \| good	9.71 \| good	0.191 \| good
2026-04-22T12:00:00.000Z	38 \| good	4.069 \| good	19.551 \| good	40.585 \| good	0.331 \| good	12.485 \| good	0.237 \| good
2026-04-22T13:00:00.000Z	39 \| good	4.468 \| good	20.413 \| good	42.22 \| good	0.354 \| good	10.285 \| good	0.265 \| good
2026-04-22T14:00:00.000Z	40 \| good	5.17 \| good	21.781 \| good	42.599 \| good	0.287 \| good	8.786 \| good	0.287 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.93 \| good	32.697 \| good	38.931 \| good	0.353 \| good	7.934 \| good	0.268 \| good
2026-04-22T16:00:00.000Z	38 \| good	5.32 \| good	22.304 \| good	40.668 \| good	0.272 \| good	9.209 \| good	0.309 \| good
2026-04-22T17:00:00.000Z	44 \| good	8.223 \| good	36.762 \| good	37.14 \| good	0.292 \| good	16.819 \| good	0.319 \| good
2026-04-22T18:00:00.000Z	38 \| good	7.004 \| good	37.576 \| good	39.626 \| good	0.361 \| good	15.775 \| good	0.319 \| good
2026-04-22T19:00:00.000Z	38 \| good	7.082 \| good	33.991 \| good	39.681 \| good	0.459 \| good	11.692 \| good	0.3 \| good
2026-04-22T20:00:00.000Z	56 \| moderate	12.002 \| good	48.905 \| good	42.217 \| good	0.581 \| good	9.005 \| good	0.3 \| good
2026-04-22T21:00:00.000Z	44 \| good	7.504 \| good	31.281 \| good	43.437 \| good	0.576 \| good	7.019 \| good	0.291 \| good
2026-04-22T22:00:00.000Z	54 \| moderate	11.005 \| good	46.81 \| good	46.897 \| good	0.637 \| good	6.979 \| good	0.278 \| good
2026-04-22T23:00:00.000Z	52 \| moderate	10.009 \| good	41.406 \| good	44.941 \| good	0.574 \| good	7.185 \| good	0.355 \| good
2026-04-23T00:00:00.000Z	49 \| good	8.722 \| good	44.682 \| good	44.339 \| good	0.48 \| good	7.875 \| good	0.378 \| good
2026-04-23T01:00:00.000Z	49 \| good	8.558 \| good	34.355 \| good	45.649 \| good	0.463 \| good	9 \| good	0.313 \| good
2026-04-23T02:00:00.000Z	52 \| moderate	10.198 \| good	44.625 \| good	37.321 \| good	0.449 \| good	16.675 \| good	0.3 \| good
2026-04-23T03:00:00.000Z	58 \| moderate	13.146 \| fine	50.924 \| good	33.455 \| good	0.442 \| good	14.287 \| good	0.331 \| good
2026-04-23T04:00:00.000Z	62 \| moderate	15.172 \| fine	66.748 \| fine	31.899 \| good	0.385 \| good	9.003 \| good	0.332 \| good
2026-04-23T05:00:00.000Z	56 \| moderate	11.737 \| good	49.896 \| good	26.653 \| good	0.347 \| good	10.642 \| good	0.282 \| good
2026-04-23T06:00:00.000Z	56 \| moderate	11.932 \| good	52.119 \| good	28.998 \| good	0.306 \| good	14.683 \| good	0.273 \| good
2026-04-23T07:00:00.000Z	54 \| moderate	11.388 \| good	47.873 \| good	24.203 \| good	0.324 \| good	14.988 \| good	0.245 \| good
2026-04-23T08:00:00.000Z	52 \| moderate	10.217 \| good	43.466 \| good	23.232 \| good	0.362 \| good	16.308 \| good	0.255 \| good
2026-04-23T09:00:00.000Z	52 \| moderate	9.832 \| good	39.014 \| good	19.343 \| good	0.363 \| good	13.053 \| good	0.255 \| good
2026-04-23T10:00:00.000Z	56 \| moderate	11.681 \| good	46.401 \| good	22.848 \| good	0.355 \| good	14.781 \| good	0.305 \| good
2026-04-23T11:00:00.000Z	54 \| moderate	10.538 \| good	48.818 \| good	23.507 \| good	0.393 \| good	19.7 \| good	0.355 \| good
2026-04-23T12:00:00.000Z	58 \| moderate	12.631 \| fine	56.694 \| fine	23.468 \| good	0.454 \| good	19.932 \| good	0.425 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	15.491 \| fine	70.511 \| fine	24.232 \| good	0.526 \| good	19.805 \| good	0.519 \| good
2026-04-23T14:00:00.000Z	68 \| moderate	17.453 \| fine	88.57 \| fine	18.793 \| good	0.476 \| good	14.292 \| good	0.514 \| good
2026-04-23T15:00:00.000Z	66 \| moderate	17.282 \| fine	68.8 \| fine	23.375 \| good	0.59 \| good	11.256 \| good	0.431 \| good
2026-04-23T16:00:00.000Z	62 \| moderate	14.814 \| fine	57.45 \| fine	30.583 \| good	0.445 \| good	8.236 \| good	0.34 \| good
2026-04-23T17:00:00.000Z	62 \| moderate	15.125 \| fine	62.094 \| fine	40.078 \| good	0.445 \| good	10.021 \| good	0.272 \| good
2026-04-23T18:00:00.000Z	52 \| moderate	9.794 \| good	50.407 \| good	51.314 \| good	0.449 \| good	11.622 \| good	0.227 \| good
2026-04-23T19:00:00.000Z	51 \| moderate	8.118 \| good	32.852 \| good	55.305 \| fine	0.449 \| good	9.75 \| good	0.227 \| good
2026-04-23T20:00:00.000Z	64 \| moderate	8.601 \| good	34.584 \| good	59.035 \| fine	0.45 \| good	9.168 \| good	0.224 \| good
2026-04-23T21:00:00.000Z	77 \| moderate	8.46 \| good	28.167 \| good	62.811 \| fine	0.555 \| good	9.289 \| good	0.246 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	8.001 \| good	31.005 \| good	61.598 \| fine	0.556 \| good	9.4 \| good	0.242 \| good
2026-04-23T23:00:00.000Z	64 \| moderate	8.128 \| good	30.043 \| good	59.224 \| fine	0.389 \| good	8.428 \| good	0.224 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	8.272 \| good	34.986 \| good	58.491 \| fine	0.327 \| good	16.488 \| good	0.242 \| good
2026-04-24T01:00:00.000Z	49 \| good	9.422 \| good	34.488 \| good	49.842 \| good	0.319 \| good	11.586 \| good	0.261 \| good
2026-04-24T02:00:00.000Z	58 \| moderate	13.326 \| fine	44.198 \| good	42.156 \| good	0.404 \| good	19.109 \| good	0.406 \| good
2026-04-24T03:00:00.000Z	25 \| good	3.808 \| good	16.614 \| good	27.397 \| good	2.685 \| good	25.915 \| good	0.39 \| good
2026-04-24T03:00:00.000Z	27 \| good	4.052 \| good	17.986 \| good	28.664 \| good	2.809 \| good	23.773 \| good	0.378 \| good
2026-04-24T04:00:00.000Z	23 \| good	2.505 \| good	10.108 \| good	25.322 \| good	1.374 \| good	8.009 \| good	0.214 \| good
2026-04-24T05:00:00.000Z	22 \| good	3.071 \| good	12.427 \| good	23.809 \| good	1.189 \| good	7.213 \| good	0.197 \| good
2026-04-24T06:00:00.000Z	21 \| good	2.768 \| good	11.386 \| good	22.548 \| good	1.005 \| good	6.417 \| good	0.181 \| good
2026-04-24T07:00:00.000Z	20 \| good	2.361 \| good	9.876 \| good	21.838 \| good	1.246 \| good	6.848 \| good	0.183 \| good
2026-04-24T08:00:00.000Z	19 \| good	2.287 \| good	9.422 \| good	20.736 \| good	1.486 \| good	7.28 \| good	0.185 \| good
2026-04-24T09:00:00.000Z	17 \| good	1.977 \| good	8 \| good	18.203 \| good	1.727 \| good	7.711 \| good	0.187 \| good
2026-04-24T10:00:00.000Z	22 \| good	3.687 \| good	16.036 \| good	18.221 \| good	1.698 \| good	7.459 \| good	0.201 \| good
2026-04-24T11:00:00.000Z	22 \| good	3.86 \| good	16.739 \| good	19.563 \| good	1.67 \| good	7.207 \| good	0.215 \| good
2026-04-24T12:00:00.000Z	24 \| good	4.114 \| good	18.04 \| good	25.674 \| good	1.641 \| good	6.956 \| good	0.23 \| good
2026-04-24T13:00:00.000Z	29 \| good	3.544 \| good	15.915 \| good	30.704 \| good	1.453 \| good	5.581 \| good	0.207 \| good
2026-04-24T14:00:00.000Z	29 \| good	3.152 \| good	13.774 \| good	30.849 \| good	1.265 \| good	4.207 \| good	0.183 \| good
2026-04-24T15:00:00.000Z	28 \| good	3.027 \| good	12.47 \| good	30.314 \| good	1.076 \| good	2.832 \| good	0.16 \| good
2026-04-24T16:00:00.000Z	28 \| good	2.946 \| good	12 \| good	30.471 \| good	1.219 \| good	2.478 \| good	0.159 \| good
2026-04-24T17:00:00.000Z	30 \| good	3.022 \| good	12 \| good	31.982 \| good	1.361 \| good	2.124 \| good	0.158 \| good
2026-04-24T18:00:00.000Z	32 \| good	3.442 \| good	15.255 \| good	34.738 \| good	1.503 \| good	1.77 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	35 \| good	4.153 \| good	18.326 \| good	38.488 \| good	1.6 \| good	1.757 \| good	0.159 \| good
2026-04-24T20:00:00.000Z	38 \| good	5.018 \| good	21.822 \| good	41.076 \| good	1.697 \| good	1.744 \| good	0.161 \| good
2026-04-24T21:00:00.000Z	40 \| good	6.135 \| good	27.402 \| good	43.183 \| good	1.794 \| good	1.731 \| good	0.163 \| good
2026-04-24T22:00:00.000Z	40 \| good	7.015 \| good	30.95 \| good	43.087 \| good	2.008 \| good	6.253 \| good	0.203 \| good
2026-04-24T23:00:00.000Z	39 \| good	6.882 \| good	30.294 \| good	41.731 \| good	2.221 \| good	10.776 \| good	0.243 \| good
2026-04-25T00:00:00.000Z	38 \| good	6.875 \| good	30.186 \| good	37.718 \| good	2.435 \| good	15.299 \| good	0.283 \| good
2026-04-25T01:00:00.000Z	44 \| good	7.593 \| good	33.509 \| good	34.304 \| good	2.386 \| good	15.066 \| good	0.278 \| good
2026-04-25T02:00:00.000Z	38 \| good	7.375 \| good	32.469 \| good	29.241 \| good	2.336 \| good	14.833 \| good	0.274 \| good
2026-04-25T03:00:00.000Z	33 \| good	5.645 \| good	24.805 \| good	28.918 \| good	2.287 \| good	14.6 \| good	0.269 \| good
2026-04-25T04:00:00.000Z	27 \| good	4.828 \| good	21.098 \| good	28.293 \| good	1.933 \| good	11.873 \| good	0.238 \| good
2026-04-25T05:00:00.000Z	27 \| good	4.71 \| good	20.612 \| good	26.329 \| good	1.579 \| good	9.147 \| good	0.206 \| good
2026-04-25T06:00:00.000Z	27 \| good	4.885 \| good	21.029 \| good	24.463 \| good	1.225 \| good	6.421 \| good	0.175 \| good
2026-04-25T07:00:00.000Z	27 \| good	4.847 \| good	21.105 \| good	23.146 \| good	1.163 \| good	5.391 \| good	0.167 \| good
2026-04-25T08:00:00.000Z	22 \| good	4.316 \| good	19.056 \| good	24.231 \| good	1.102 \| good	4.361 \| good	0.158 \| good
2026-04-25T09:00:00.000Z	22 \| good	4.273 \| good	18.876 \| good	24.39 \| good	1.04 \| good	3.33 \| good	0.15 \| good
2026-04-25T10:00:00.000Z	27 \| good	4.667 \| good	20.523 \| good	23.24 \| good	1.042 \| good	3.684 \| good	0.151 \| good
2026-04-25T11:00:00.000Z	27 \| good	4.832 \| good	21 \| good	23.455 \| good	1.044 \| good	4.037 \| good	0.152 \| good
2026-04-25T12:00:00.000Z	25 \| good	4.455 \| good	19 \| good	26.682 \| good	1.046 \| good	4.391 \| good	0.154 \| good
2026-04-25T13:00:00.000Z	27 \| good	3.471 \| good	15.278 \| good	29.436 \| good	1.054 \| good	4.332 \| good	0.155 \| good
2026-04-25T14:00:00.000Z	27 \| good	2.765 \| good	11.129 \| good	28.727 \| good	1.061 \| good	4.273 \| good	0.157 \| good
2026-04-25T15:00:00.000Z	25 \| good	3.116 \| good	13.158 \| good	26.759 \| good	1.069 \| good	4.214 \| good	0.158 \| good
2026-04-25T16:00:00.000Z	25 \| good	4.252 \| good	18.892 \| good	26.612 \| good	1.027 \| good	3.849 \| good	0.156 \| good
2026-04-25T17:00:00.000Z	28 \| good	4.992 \| good	21.443 \| good	30.41 \| good	0.985 \| good	3.484 \| good	0.153 \| good
2026-04-25T18:00:00.000Z	30 \| good	4.751 \| good	20.812 \| good	31.871 \| good	0.943 \| good	3.119 \| good	0.15 \| good
2026-04-25T19:00:00.000Z	28 \| good	5.315 \| good	22.93 \| good	30 \| good	0.907 \| good	3.244 \| good	0.152 \| good
2026-04-25T20:00:00.000Z	38 \| good	6.574 \| good	29.508 \| good	30.145 \| good	0.871 \| good	3.368 \| good	0.154 \| good
2026-04-25T21:00:00.000Z	38 \| good	7.081 \| good	31.449 \| good	29.726 \| good	0.835 \| good	3.493 \| good	0.156 \| good
2026-04-25T22:00:00.000Z	33 \| good	5.741 \| good	24.793 \| good	29.001 \| good	0.828 \| good	4.047 \| good	0.161 \| good
2026-04-25T23:00:00.000Z	28 \| good	4.791 \| good	20.887 \| good	30.12 \| good	0.821 \| good	4.601 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	52 \| moderate	10.163 \| good	11.503 \| good	40.779 \| good	0.821 \| good	5.209 \| good	0.172 \| good
2026-04-26T01:00:00.000Z	30 \| good	4.346 \| good	18.924 \| good	31.521 \| good	0.786 \| good	4.73 \| good	0.168 \| good
2026-04-26T02:00:00.000Z	33 \| good	5.846 \| good	25.562 \| good	26.939 \| good	0.758 \| good	4.306 \| good	0.163 \| good
2026-04-26T03:00:00.000Z	33 \| good	5.69 \| good	24.616 \| good	27.5 \| good	0.73 \| good	3.882 \| good	0.159 \| good

Real-time air quality index in Caln, Pennsylvania today

Common air pollutants in Caln, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Caln, Pennsylvania air quality forecast and history

Empower business decisions with accurate air quality data

Caln, Pennsylvania air quality map: Real-time AQI near you

Air quality in nearby cities

Coatesville, Pennsylvania

West Bradford, Pennsylvania

East Brandywine, Pennsylvania

Upper Uwchlan, Pennsylvania

Uwchlan, Pennsylvania

East Bradford, Pennsylvania

How accurate is Pennsylvania, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Caln, Pennsylvania updated?

When did Caln, Pennsylvania experience the worst air quality in the last 24 hours?

When did Caln, Pennsylvania have its best air quality in the last 24 hours?

What is the real-time air quality index for Caln, Pennsylvania?

Which pollutant is found most often in Caln, Pennsylvania?

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

What are the current PM2.5 levels in Caln, Pennsylvania?

What are the current PM10 levels at Caln, Pennsylvania?

What are the current carbon monoxide (CO) levels at Caln, Pennsylvania?

What are the current sulfur dioxide (SO2) levels at Caln, Pennsylvania?

What are the current ozone (O3) levels at Caln, Pennsylvania?

What are the current nitrogen dioxide (NO2) levels at Caln, Pennsylvania?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Caln, Pennsylvania?

What are the current PM₁₀ levels at Caln, Pennsylvania?

What are the current sulfur dioxide (SO₂) levels at Caln, Pennsylvania?

What are the current ozone (O₃) levels at Caln, Pennsylvania?

What are the current nitrogen dioxide (NO₂) levels at Caln, Pennsylvania?