What are the current PM10 levels at Caln, Pennsylvania?

The current PM10 levels in Caln, Pennsylvania are 16.009 μg/m3.

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

The current sulfur dioxide (SO2) levels in Caln, Pennsylvania are 0.232 ppb.

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

The current ozone (O3) levels at Caln, Pennsylvania is 48.358 ppm.

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

The current nitrogen dioxide (NO2) levels at Caln, Pennsylvania is 2.762 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 3.352 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)

3.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.01 μg/m³

155

255

425

605+

Ozone (O₃)

48.36 ppb

201

201+

Sulfur Dioxide (SO₂)

0.23 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.76 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-07-21T22:00:00.000Z	44 \| good	8.294 \| good	28.523 \| good	38.778 \| good	0.34 \| good	6.569 \| good	0.361 \| good
2026-07-21T23:00:00.000Z	44 \| good	7.699 \| good	18.975 \| good	40.217 \| good	0.324 \| good	9.394 \| good	0.372 \| good
2026-07-22T00:00:00.000Z	49 \| good	5.628 \| good	52.549 \| good	39.774 \| good	0.335 \| good	6.786 \| good	0.365 \| good
2026-07-22T01:00:00.000Z	33 \| good	6.033 \| good	19.657 \| good	32.762 \| good	0.346 \| good	7.408 \| good	0.399 \| good
2026-07-22T02:00:00.000Z	36 \| good	6.012 \| good	38.626 \| good	34.136 \| good	0.334 \| good	7.229 \| good	0.328 \| good
2026-07-22T03:00:00.000Z	31 \| good	5.175 \| good	27.192 \| good	32.866 \| good	0.4 \| good	9.95 \| good	0.339 \| good
2026-07-22T04:00:00.000Z	33 \| good	5.794 \| good	20.63 \| good	32.721 \| good	0.355 \| good	9.498 \| good	0.339 \| good
2026-07-22T05:00:00.000Z	29 \| good	5.115 \| good	23.979 \| good	31.386 \| good	0.367 \| good	8.959 \| good	0.309 \| good
2026-07-22T06:00:00.000Z	28 \| good	4.582 \| good	14.663 \| good	30.174 \| good	0.402 \| good	6.382 \| good	0.291 \| good
2026-07-22T07:00:00.000Z	30 \| good	3.906 \| good	20.316 \| good	31.896 \| good	0.402 \| good	5.579 \| good	0.291 \| good
2026-07-22T08:00:00.000Z	28 \| good	4.628 \| good	20.407 \| good	30.405 \| good	0.327 \| good	6.408 \| good	0.243 \| good
2026-07-22T09:00:00.000Z	28 \| good	3.428 \| good	14.105 \| good	29.538 \| good	0.339 \| good	8.415 \| good	0.276 \| good
2026-07-22T10:00:00.000Z	27 \| good	4.223 \| good	21.158 \| good	28.683 \| good	0.416 \| good	10.721 \| good	0.276 \| good
2026-07-22T11:00:00.000Z	26 \| good	4.031 \| good	19.656 \| good	28.478 \| good	0.416 \| good	10.896 \| good	0.321 \| good
2026-07-22T12:00:00.000Z	27 \| good	4.923 \| good	24.25 \| good	25.04 \| good	0.453 \| good	7.811 \| good	0.402 \| good
2026-07-22T13:00:00.000Z	22 \| good	4.191 \| good	22.099 \| good	22.989 \| good	0.426 \| good	7.744 \| good	0.402 \| good
2026-07-22T14:00:00.000Z	23 \| good	4.48 \| good	17.503 \| good	25.175 \| good	0.463 \| good	4.037 \| good	0.361 \| good
2026-07-22T15:00:00.000Z	33 \| good	6.443 \| good	22.541 \| good	31.537 \| good	0.509 \| good	3.848 \| good	0.365 \| good
2026-07-22T16:00:00.000Z	38 \| good	6.868 \| good	34.181 \| good	34.23 \| good	0.325 \| good	7.882 \| good	0.365 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.005 \| good	22.512 \| good	38.12 \| good	0.295 \| good	7.446 \| good	0.365 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	9.875 \| good	36.624 \| good	44.131 \| good	0.358 \| good	6.799 \| good	0.342 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.342 \| good	41.154 \| good	45.421 \| good	0.358 \| good	7.064 \| good	0.342 \| good
2026-07-22T20:00:00.000Z	49 \| good	9.09 \| good	38.346 \| good	47.257 \| good	0.346 \| good	6.962 \| good	0.331 \| good
2026-07-22T21:00:00.000Z	49 \| good	8.734 \| good	34.484 \| good	43.841 \| good	0.334 \| good	7.866 \| good	0.342 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.805 \| good	30.893 \| good	40.701 \| good	0.319 \| good	6.223 \| good	0.313 \| good
2026-07-22T23:00:00.000Z	49 \| good	8.591 \| good	34.446 \| good	41.398 \| good	0.578 \| good	5.699 \| good	0.334 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.784 \| good	32.051 \| good	46.127 \| good	0.428 \| good	4.71 \| good	0.316 \| good
2026-07-23T01:00:00.000Z	38 \| good	7.148 \| good	31.546 \| good	40.637 \| good	0.368 \| good	5.038 \| good	0.316 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.52 \| good	39.202 \| good	34.272 \| good	0.357 \| good	10.475 \| good	0.295 \| good
2026-07-23T03:00:00.000Z	23 \| good	0.48 \| good	1.958 \| good	24.859 \| good	0.905 \| good	5.055 \| good	0.196 \| good
2026-07-23T04:00:00.000Z	38 \| good	7.353 \| good	32.364 \| good	37.974 \| good	0.384 \| good	8.137 \| good	0.238 \| good
2026-07-23T05:00:00.000Z	33 \| good	5.544 \| good	21.378 \| good	34.902 \| good	0.385 \| good	7.729 \| good	0.239 \| good
2026-07-23T06:00:00.000Z	30 \| good	4.967 \| good	19.723 \| good	32.014 \| good	0.385 \| good	7.866 \| good	0.22 \| good
2026-07-23T07:00:00.000Z	29 \| good	3.989 \| good	17.898 \| good	30.723 \| good	0.382 \| good	8.046 \| good	0.22 \| good
2026-07-23T08:00:00.000Z	26 \| good	4.063 \| good	21.009 \| good	28.114 \| good	0.315 \| good	7.79 \| good	0.22 \| good
2026-07-23T09:00:00.000Z	26 \| good	3.181 \| good	17.863 \| good	27.865 \| good	0.421 \| good	9.881 \| good	0.22 \| good
2026-07-23T10:00:00.000Z	25 \| good	3.122 \| good	15.659 \| good	27.028 \| good	0.421 \| good	7.586 \| good	0.22 \| good
2026-07-23T11:00:00.000Z	23 \| good	3.138 \| good	16.979 \| good	24.923 \| good	0.46 \| good	10.955 \| good	0.275 \| good
2026-07-23T12:00:00.000Z	19 \| good	3.079 \| good	14.209 \| good	20.36 \| good	0.419 \| good	11.453 \| good	0.316 \| good
2026-07-23T13:00:00.000Z	23 \| good	3.065 \| good	12.97 \| good	24.89 \| good	0.522 \| good	9.149 \| good	0.278 \| good
2026-07-23T14:00:00.000Z	27 \| good	3.324 \| good	13.673 \| good	28.55 \| good	0.458 \| good	8.882 \| good	0.238 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.521 \| good	16.071 \| good	33.29 \| good	0.383 \| good	7.173 \| good	0.238 \| good
2026-07-23T16:00:00.000Z	33 \| good	3.26 \| good	13.94 \| good	36.482 \| good	0.228 \| good	7.454 \| good	0.238 \| good
2026-07-23T17:00:00.000Z	38 \| good	3.22 \| good	15.829 \| good	41.052 \| good	0.254 \| good	6.136 \| good	0.198 \| good
2026-07-23T18:00:00.000Z	41 \| good	3.277 \| good	14.823 \| good	43.788 \| good	0.323 \| good	5.069 \| good	0.22 \| good
2026-07-23T19:00:00.000Z	44 \| good	2.95 \| good	12.513 \| good	46.659 \| good	0.334 \| good	3.966 \| good	0.22 \| good
2026-07-23T20:00:00.000Z	44 \| good	3.352 \| good	16.009 \| good	48.358 \| good	0.232 \| good	2.762 \| good	0.22 \| good
2026-07-23T21:00:00.000Z	47 \| good	3.689 \| good	16.165 \| good	51.377 \| good	0.244 \| good	4.077 \| good	0.22 \| good
2026-07-23T21:00:00.000Z	44 \| good	3.352 \| good	16.009 \| good	48.358 \| good	0.232 \| good	2.762 \| good	0.22 \| good
2026-07-23T22:00:00.000Z	44 \| good	3.941 \| good	16.955 \| good	47.096 \| good	0.581 \| good	1.003 \| good	0.141 \| good
2026-07-23T23:00:00.000Z	42 \| good	4.48 \| good	19.853 \| good	44.638 \| good	0.629 \| good	1.531 \| good	0.147 \| good
2026-07-24T00:00:00.000Z	34 \| good	2.632 \| good	11.004 \| good	36.768 \| good	0.727 \| good	3.733 \| good	0.167 \| good
2026-07-24T01:00:00.000Z	31 \| good	2.559 \| good	10.092 \| good	33.369 \| good	0.873 \| good	5.991 \| good	0.186 \| good
2026-07-24T02:00:00.000Z	28 \| good	2.65 \| good	11.057 \| good	29.601 \| good	0.982 \| good	7.007 \| good	0.195 \| good
2026-07-24T03:00:00.000Z	25 \| good	3.463 \| good	15.051 \| good	27.487 \| good	1.063 \| good	8.237 \| good	0.203 \| good
2026-07-24T04:00:00.000Z	27 \| good	5.278 \| good	23.066 \| good	24.466 \| good	1.114 \| good	9.707 \| good	0.213 \| good
2026-07-24T05:00:00.000Z	33 \| good	5.737 \| good	24.964 \| good	21.527 \| good	1.085 \| good	10.683 \| good	0.219 \| good
2026-07-24T06:00:00.000Z	38 \| good	6.841 \| good	29.899 \| good	18.682 \| good	1.007 \| good	11.352 \| good	0.22 \| good
2026-07-24T07:00:00.000Z	44 \| good	8.435 \| good	36.809 \| good	17.066 \| good	0.948 \| good	11.986 \| good	0.22 \| good
2026-07-24T08:00:00.000Z	49 \| good	8.613 \| good	37.888 \| good	17.346 \| good	0.912 \| good	12.565 \| good	0.221 \| good
2026-07-24T09:00:00.000Z	49 \| good	9.122 \| good	40.826 \| good	18.464 \| good	0.882 \| good	13.072 \| good	0.221 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.897 \| good	34.281 \| good	16.991 \| good	0.842 \| good	13.765 \| good	0.224 \| good
2026-07-24T11:00:00.000Z	27 \| good	5.028 \| good	21.467 \| good	20.972 \| good	0.742 \| good	12.296 \| good	0.226 \| good
2026-07-24T12:00:00.000Z	27 \| good	5.267 \| good	22.951 \| good	27.452 \| good	0.702 \| good	9.007 \| good	0.209 \| good
2026-07-24T13:00:00.000Z	54 \| moderate	11.189 \| good	49.957 \| good	34.578 \| good	0.807 \| good	5.3 \| good	0.175 \| good
2026-07-24T14:00:00.000Z	54 \| moderate	11.352 \| good	50.098 \| good	37.869 \| good	0.857 \| good	2.695 \| good	0.155 \| good
2026-07-24T15:00:00.000Z	54 \| moderate	10.719 \| good	47.913 \| good	42.984 \| good	0.819 \| good	1.43 \| good	0.148 \| good
2026-07-24T16:00:00.000Z	46 \| good	7.518 \| good	32.997 \| good	49.991 \| good	0.736 \| good	0.989 \| good	0.147 \| good
2026-07-24T17:00:00.000Z	50 \| good	5.261 \| good	22.924 \| good	54.097 \| good	0.69 \| good	0.867 \| good	0.147 \| good
2026-07-24T18:00:00.000Z	61 \| moderate	5.651 \| good	24.009 \| good	57.745 \| fine	0.67 \| good	0.854 \| good	0.148 \| good
2026-07-24T19:00:00.000Z	71 \| moderate	5.459 \| good	23.056 \| good	60.682 \| fine	0.658 \| good	0.885 \| good	0.15 \| good
2026-07-24T20:00:00.000Z	71 \| moderate	5.928 \| good	26.701 \| good	60.533 \| fine	0.651 \| good	0.95 \| good	0.151 \| good
2026-07-24T21:00:00.000Z	50 \| good	5.679 \| good	24.845 \| good	54.035 \| good	0.642 \| good	1.07 \| good	0.153 \| good
2026-07-24T22:00:00.000Z	42 \| good	5.149 \| good	22.005 \| good	45.242 \| good	0.627 \| good	1.372 \| good	0.155 \| good
2026-07-24T23:00:00.000Z	37 \| good	4.755 \| good	20.967 \| good	39.596 \| good	0.643 \| good	2.357 \| good	0.163 \| good
2026-07-25T00:00:00.000Z	33 \| good	5.702 \| good	24.998 \| good	34.9 \| good	0.649 \| good	3.982 \| good	0.174 \| good
2026-07-25T01:00:00.000Z	33 \| good	6.175 \| good	27.071 \| good	28.818 \| good	0.603 \| good	4.678 \| good	0.172 \| good
2026-07-25T02:00:00.000Z	38 \| good	6.684 \| good	29.962 \| good	23.616 \| good	0.503 \| good	5.109 \| good	0.166 \| good
2026-07-25T03:00:00.000Z	33 \| good	5.678 \| good	24.087 \| good	21.34 \| good	0.504 \| good	4.391 \| good	0.153 \| good
2026-07-25T04:00:00.000Z	22 \| good	3.959 \| good	17.048 \| good	20.048 \| good	0.519 \| good	4.648 \| good	0.149 \| good
2026-07-25T05:00:00.000Z	18 \| good	2.519 \| good	10.055 \| good	19.108 \| good	0.41 \| good	5.123 \| good	0.146 \| good
2026-07-25T06:00:00.000Z	16 \| good	1.624 \| good	7.009 \| good	17.332 \| good	0.397 \| good	6.142 \| good	0.149 \| good
2026-07-25T07:00:00.000Z	16 \| good	1.318 \| good	5.168 \| good	16.817 \| good	0.497 \| good	7.649 \| good	0.156 \| good
2026-07-25T08:00:00.000Z	16 \| good	1.236 \| good	4.76 \| good	17.009 \| good	0.665 \| good	9.222 \| good	0.166 \| good
2026-07-25T09:00:00.000Z	11 \| good	1.246 \| good	4.885 \| good	12.077 \| good	0.869 \| good	10.862 \| good	0.177 \| good
2026-07-25T10:00:00.000Z	12 \| good	1.619 \| good	7.049 \| good	13.326 \| good	1.097 \| good	12.341 \| good	0.188 \| good
2026-07-25T11:00:00.000Z	14 \| good	1.952 \| good	8.091 \| good	15.333 \| good	1.457 \| good	12.5 \| good	0.204 \| good
2026-07-25T12:00:00.000Z	19 \| good	1.605 \| good	6.918 \| good	20.624 \| good	1.138 \| good	8.275 \| good	0.19 \| good
2026-07-25T13:00:00.000Z	23 \| good	0.786 \| good	2.905 \| good	24.953 \| good	0.91 \| good	4.005 \| good	0.151 \| good
2026-07-25T14:00:00.000Z	28 \| good	1.129 \| good	4.974 \| good	30.485 \| good	0.846 \| good	2.23 \| good	0.142 \| good
2026-07-25T15:00:00.000Z	34 \| good	2.801 \| good	11.932 \| good	37.476 \| good	0.713 \| good	1.337 \| good	0.142 \| good
2026-07-25T16:00:00.000Z	42 \| good	4.678 \| good	20.027 \| good	45.019 \| good	0.58 \| good	0.934 \| good	0.144 \| good
2026-07-25T17:00:00.000Z	47 \| good	6.553 \| good	28.991 \| good	51.475 \| good	0.496 \| good	0.78 \| good	0.144 \| good
2026-07-25T18:00:00.000Z	61 \| moderate	7.981 \| good	34.909 \| good	57.522 \| fine	0.437 \| good	0.712 \| good	0.143 \| good
2026-07-25T19:00:00.000Z	74 \| moderate	8.328 \| good	36.819 \| good	61.968 \| fine	0.397 \| good	0.698 \| good	0.142 \| good
2026-07-25T20:00:00.000Z	84 \| moderate	7.3 \| good	31.915 \| good	64.832 \| fine	0.368 \| good	0.703 \| good	0.141 \| good
2026-07-25T21:00:00.000Z	87 \| moderate	6.774 \| good	29.835 \| good	66.215 \| fine	0.349 \| good	0.756 \| good	0.14 \| good

Caln

Empower business decisions with accurate air quality data

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

0.23ppm

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 02:00:00 on 2026-07-23.

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

The best air quality in Caln, Pennsylvania was recorded at 12:00:00 on 2026-07-23.

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

The real-time air quality index in Caln, Pennsylvania is 44, 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 3.352 μg/m³.

What are the current PM₁₀ levels at Caln, Pennsylvania?

The current PM₁₀ levels in Caln, Pennsylvania are 16.009 μg/m³.

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

The current carbon monoxide (CO) level in Caln, Pennsylvania is 0.22 ppm.

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

The current sulfur dioxide (SO₂) levels in Caln, Pennsylvania are 0.232 ppb.

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

The current ozone (O₃) levels at Caln, Pennsylvania is 48.358 ppm.

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

The current nitrogen dioxide (NO₂) levels at Caln, Pennsylvania is 2.762 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T22:00:00.000Z	44 \| good	8.294 \| good	28.523 \| good	38.778 \| good	0.34 \| good	6.569 \| good	0.361 \| good
2026-07-21T23:00:00.000Z	44 \| good	7.699 \| good	18.975 \| good	40.217 \| good	0.324 \| good	9.394 \| good	0.372 \| good
2026-07-22T00:00:00.000Z	49 \| good	5.628 \| good	52.549 \| good	39.774 \| good	0.335 \| good	6.786 \| good	0.365 \| good
2026-07-22T01:00:00.000Z	33 \| good	6.033 \| good	19.657 \| good	32.762 \| good	0.346 \| good	7.408 \| good	0.399 \| good
2026-07-22T02:00:00.000Z	36 \| good	6.012 \| good	38.626 \| good	34.136 \| good	0.334 \| good	7.229 \| good	0.328 \| good
2026-07-22T03:00:00.000Z	31 \| good	5.175 \| good	27.192 \| good	32.866 \| good	0.4 \| good	9.95 \| good	0.339 \| good
2026-07-22T04:00:00.000Z	33 \| good	5.794 \| good	20.63 \| good	32.721 \| good	0.355 \| good	9.498 \| good	0.339 \| good
2026-07-22T05:00:00.000Z	29 \| good	5.115 \| good	23.979 \| good	31.386 \| good	0.367 \| good	8.959 \| good	0.309 \| good
2026-07-22T06:00:00.000Z	28 \| good	4.582 \| good	14.663 \| good	30.174 \| good	0.402 \| good	6.382 \| good	0.291 \| good
2026-07-22T07:00:00.000Z	30 \| good	3.906 \| good	20.316 \| good	31.896 \| good	0.402 \| good	5.579 \| good	0.291 \| good
2026-07-22T08:00:00.000Z	28 \| good	4.628 \| good	20.407 \| good	30.405 \| good	0.327 \| good	6.408 \| good	0.243 \| good
2026-07-22T09:00:00.000Z	28 \| good	3.428 \| good	14.105 \| good	29.538 \| good	0.339 \| good	8.415 \| good	0.276 \| good
2026-07-22T10:00:00.000Z	27 \| good	4.223 \| good	21.158 \| good	28.683 \| good	0.416 \| good	10.721 \| good	0.276 \| good
2026-07-22T11:00:00.000Z	26 \| good	4.031 \| good	19.656 \| good	28.478 \| good	0.416 \| good	10.896 \| good	0.321 \| good
2026-07-22T12:00:00.000Z	27 \| good	4.923 \| good	24.25 \| good	25.04 \| good	0.453 \| good	7.811 \| good	0.402 \| good
2026-07-22T13:00:00.000Z	22 \| good	4.191 \| good	22.099 \| good	22.989 \| good	0.426 \| good	7.744 \| good	0.402 \| good
2026-07-22T14:00:00.000Z	23 \| good	4.48 \| good	17.503 \| good	25.175 \| good	0.463 \| good	4.037 \| good	0.361 \| good
2026-07-22T15:00:00.000Z	33 \| good	6.443 \| good	22.541 \| good	31.537 \| good	0.509 \| good	3.848 \| good	0.365 \| good
2026-07-22T16:00:00.000Z	38 \| good	6.868 \| good	34.181 \| good	34.23 \| good	0.325 \| good	7.882 \| good	0.365 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.005 \| good	22.512 \| good	38.12 \| good	0.295 \| good	7.446 \| good	0.365 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	9.875 \| good	36.624 \| good	44.131 \| good	0.358 \| good	6.799 \| good	0.342 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.342 \| good	41.154 \| good	45.421 \| good	0.358 \| good	7.064 \| good	0.342 \| good
2026-07-22T20:00:00.000Z	49 \| good	9.09 \| good	38.346 \| good	47.257 \| good	0.346 \| good	6.962 \| good	0.331 \| good
2026-07-22T21:00:00.000Z	49 \| good	8.734 \| good	34.484 \| good	43.841 \| good	0.334 \| good	7.866 \| good	0.342 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.805 \| good	30.893 \| good	40.701 \| good	0.319 \| good	6.223 \| good	0.313 \| good
2026-07-22T23:00:00.000Z	49 \| good	8.591 \| good	34.446 \| good	41.398 \| good	0.578 \| good	5.699 \| good	0.334 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.784 \| good	32.051 \| good	46.127 \| good	0.428 \| good	4.71 \| good	0.316 \| good
2026-07-23T01:00:00.000Z	38 \| good	7.148 \| good	31.546 \| good	40.637 \| good	0.368 \| good	5.038 \| good	0.316 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.52 \| good	39.202 \| good	34.272 \| good	0.357 \| good	10.475 \| good	0.295 \| good
2026-07-23T03:00:00.000Z	23 \| good	0.48 \| good	1.958 \| good	24.859 \| good	0.905 \| good	5.055 \| good	0.196 \| good
2026-07-23T04:00:00.000Z	38 \| good	7.353 \| good	32.364 \| good	37.974 \| good	0.384 \| good	8.137 \| good	0.238 \| good
2026-07-23T05:00:00.000Z	33 \| good	5.544 \| good	21.378 \| good	34.902 \| good	0.385 \| good	7.729 \| good	0.239 \| good
2026-07-23T06:00:00.000Z	30 \| good	4.967 \| good	19.723 \| good	32.014 \| good	0.385 \| good	7.866 \| good	0.22 \| good
2026-07-23T07:00:00.000Z	29 \| good	3.989 \| good	17.898 \| good	30.723 \| good	0.382 \| good	8.046 \| good	0.22 \| good
2026-07-23T08:00:00.000Z	26 \| good	4.063 \| good	21.009 \| good	28.114 \| good	0.315 \| good	7.79 \| good	0.22 \| good
2026-07-23T09:00:00.000Z	26 \| good	3.181 \| good	17.863 \| good	27.865 \| good	0.421 \| good	9.881 \| good	0.22 \| good
2026-07-23T10:00:00.000Z	25 \| good	3.122 \| good	15.659 \| good	27.028 \| good	0.421 \| good	7.586 \| good	0.22 \| good
2026-07-23T11:00:00.000Z	23 \| good	3.138 \| good	16.979 \| good	24.923 \| good	0.46 \| good	10.955 \| good	0.275 \| good
2026-07-23T12:00:00.000Z	19 \| good	3.079 \| good	14.209 \| good	20.36 \| good	0.419 \| good	11.453 \| good	0.316 \| good
2026-07-23T13:00:00.000Z	23 \| good	3.065 \| good	12.97 \| good	24.89 \| good	0.522 \| good	9.149 \| good	0.278 \| good
2026-07-23T14:00:00.000Z	27 \| good	3.324 \| good	13.673 \| good	28.55 \| good	0.458 \| good	8.882 \| good	0.238 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.521 \| good	16.071 \| good	33.29 \| good	0.383 \| good	7.173 \| good	0.238 \| good
2026-07-23T16:00:00.000Z	33 \| good	3.26 \| good	13.94 \| good	36.482 \| good	0.228 \| good	7.454 \| good	0.238 \| good
2026-07-23T17:00:00.000Z	38 \| good	3.22 \| good	15.829 \| good	41.052 \| good	0.254 \| good	6.136 \| good	0.198 \| good
2026-07-23T18:00:00.000Z	41 \| good	3.277 \| good	14.823 \| good	43.788 \| good	0.323 \| good	5.069 \| good	0.22 \| good
2026-07-23T19:00:00.000Z	44 \| good	2.95 \| good	12.513 \| good	46.659 \| good	0.334 \| good	3.966 \| good	0.22 \| good
2026-07-23T20:00:00.000Z	44 \| good	3.352 \| good	16.009 \| good	48.358 \| good	0.232 \| good	2.762 \| good	0.22 \| good
2026-07-23T21:00:00.000Z	47 \| good	3.689 \| good	16.165 \| good	51.377 \| good	0.244 \| good	4.077 \| good	0.22 \| good
2026-07-23T21:00:00.000Z	44 \| good	3.352 \| good	16.009 \| good	48.358 \| good	0.232 \| good	2.762 \| good	0.22 \| good
2026-07-23T22:00:00.000Z	44 \| good	3.941 \| good	16.955 \| good	47.096 \| good	0.581 \| good	1.003 \| good	0.141 \| good
2026-07-23T23:00:00.000Z	42 \| good	4.48 \| good	19.853 \| good	44.638 \| good	0.629 \| good	1.531 \| good	0.147 \| good
2026-07-24T00:00:00.000Z	34 \| good	2.632 \| good	11.004 \| good	36.768 \| good	0.727 \| good	3.733 \| good	0.167 \| good
2026-07-24T01:00:00.000Z	31 \| good	2.559 \| good	10.092 \| good	33.369 \| good	0.873 \| good	5.991 \| good	0.186 \| good
2026-07-24T02:00:00.000Z	28 \| good	2.65 \| good	11.057 \| good	29.601 \| good	0.982 \| good	7.007 \| good	0.195 \| good
2026-07-24T03:00:00.000Z	25 \| good	3.463 \| good	15.051 \| good	27.487 \| good	1.063 \| good	8.237 \| good	0.203 \| good
2026-07-24T04:00:00.000Z	27 \| good	5.278 \| good	23.066 \| good	24.466 \| good	1.114 \| good	9.707 \| good	0.213 \| good
2026-07-24T05:00:00.000Z	33 \| good	5.737 \| good	24.964 \| good	21.527 \| good	1.085 \| good	10.683 \| good	0.219 \| good
2026-07-24T06:00:00.000Z	38 \| good	6.841 \| good	29.899 \| good	18.682 \| good	1.007 \| good	11.352 \| good	0.22 \| good
2026-07-24T07:00:00.000Z	44 \| good	8.435 \| good	36.809 \| good	17.066 \| good	0.948 \| good	11.986 \| good	0.22 \| good
2026-07-24T08:00:00.000Z	49 \| good	8.613 \| good	37.888 \| good	17.346 \| good	0.912 \| good	12.565 \| good	0.221 \| good
2026-07-24T09:00:00.000Z	49 \| good	9.122 \| good	40.826 \| good	18.464 \| good	0.882 \| good	13.072 \| good	0.221 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.897 \| good	34.281 \| good	16.991 \| good	0.842 \| good	13.765 \| good	0.224 \| good
2026-07-24T11:00:00.000Z	27 \| good	5.028 \| good	21.467 \| good	20.972 \| good	0.742 \| good	12.296 \| good	0.226 \| good
2026-07-24T12:00:00.000Z	27 \| good	5.267 \| good	22.951 \| good	27.452 \| good	0.702 \| good	9.007 \| good	0.209 \| good
2026-07-24T13:00:00.000Z	54 \| moderate	11.189 \| good	49.957 \| good	34.578 \| good	0.807 \| good	5.3 \| good	0.175 \| good
2026-07-24T14:00:00.000Z	54 \| moderate	11.352 \| good	50.098 \| good	37.869 \| good	0.857 \| good	2.695 \| good	0.155 \| good
2026-07-24T15:00:00.000Z	54 \| moderate	10.719 \| good	47.913 \| good	42.984 \| good	0.819 \| good	1.43 \| good	0.148 \| good
2026-07-24T16:00:00.000Z	46 \| good	7.518 \| good	32.997 \| good	49.991 \| good	0.736 \| good	0.989 \| good	0.147 \| good
2026-07-24T17:00:00.000Z	50 \| good	5.261 \| good	22.924 \| good	54.097 \| good	0.69 \| good	0.867 \| good	0.147 \| good
2026-07-24T18:00:00.000Z	61 \| moderate	5.651 \| good	24.009 \| good	57.745 \| fine	0.67 \| good	0.854 \| good	0.148 \| good
2026-07-24T19:00:00.000Z	71 \| moderate	5.459 \| good	23.056 \| good	60.682 \| fine	0.658 \| good	0.885 \| good	0.15 \| good
2026-07-24T20:00:00.000Z	71 \| moderate	5.928 \| good	26.701 \| good	60.533 \| fine	0.651 \| good	0.95 \| good	0.151 \| good
2026-07-24T21:00:00.000Z	50 \| good	5.679 \| good	24.845 \| good	54.035 \| good	0.642 \| good	1.07 \| good	0.153 \| good
2026-07-24T22:00:00.000Z	42 \| good	5.149 \| good	22.005 \| good	45.242 \| good	0.627 \| good	1.372 \| good	0.155 \| good
2026-07-24T23:00:00.000Z	37 \| good	4.755 \| good	20.967 \| good	39.596 \| good	0.643 \| good	2.357 \| good	0.163 \| good
2026-07-25T00:00:00.000Z	33 \| good	5.702 \| good	24.998 \| good	34.9 \| good	0.649 \| good	3.982 \| good	0.174 \| good
2026-07-25T01:00:00.000Z	33 \| good	6.175 \| good	27.071 \| good	28.818 \| good	0.603 \| good	4.678 \| good	0.172 \| good
2026-07-25T02:00:00.000Z	38 \| good	6.684 \| good	29.962 \| good	23.616 \| good	0.503 \| good	5.109 \| good	0.166 \| good
2026-07-25T03:00:00.000Z	33 \| good	5.678 \| good	24.087 \| good	21.34 \| good	0.504 \| good	4.391 \| good	0.153 \| good
2026-07-25T04:00:00.000Z	22 \| good	3.959 \| good	17.048 \| good	20.048 \| good	0.519 \| good	4.648 \| good	0.149 \| good
2026-07-25T05:00:00.000Z	18 \| good	2.519 \| good	10.055 \| good	19.108 \| good	0.41 \| good	5.123 \| good	0.146 \| good
2026-07-25T06:00:00.000Z	16 \| good	1.624 \| good	7.009 \| good	17.332 \| good	0.397 \| good	6.142 \| good	0.149 \| good
2026-07-25T07:00:00.000Z	16 \| good	1.318 \| good	5.168 \| good	16.817 \| good	0.497 \| good	7.649 \| good	0.156 \| good
2026-07-25T08:00:00.000Z	16 \| good	1.236 \| good	4.76 \| good	17.009 \| good	0.665 \| good	9.222 \| good	0.166 \| good
2026-07-25T09:00:00.000Z	11 \| good	1.246 \| good	4.885 \| good	12.077 \| good	0.869 \| good	10.862 \| good	0.177 \| good
2026-07-25T10:00:00.000Z	12 \| good	1.619 \| good	7.049 \| good	13.326 \| good	1.097 \| good	12.341 \| good	0.188 \| good
2026-07-25T11:00:00.000Z	14 \| good	1.952 \| good	8.091 \| good	15.333 \| good	1.457 \| good	12.5 \| good	0.204 \| good
2026-07-25T12:00:00.000Z	19 \| good	1.605 \| good	6.918 \| good	20.624 \| good	1.138 \| good	8.275 \| good	0.19 \| good
2026-07-25T13:00:00.000Z	23 \| good	0.786 \| good	2.905 \| good	24.953 \| good	0.91 \| good	4.005 \| good	0.151 \| good
2026-07-25T14:00:00.000Z	28 \| good	1.129 \| good	4.974 \| good	30.485 \| good	0.846 \| good	2.23 \| good	0.142 \| good
2026-07-25T15:00:00.000Z	34 \| good	2.801 \| good	11.932 \| good	37.476 \| good	0.713 \| good	1.337 \| good	0.142 \| good
2026-07-25T16:00:00.000Z	42 \| good	4.678 \| good	20.027 \| good	45.019 \| good	0.58 \| good	0.934 \| good	0.144 \| good
2026-07-25T17:00:00.000Z	47 \| good	6.553 \| good	28.991 \| good	51.475 \| good	0.496 \| good	0.78 \| good	0.144 \| good
2026-07-25T18:00:00.000Z	61 \| moderate	7.981 \| good	34.909 \| good	57.522 \| fine	0.437 \| good	0.712 \| good	0.143 \| good
2026-07-25T19:00:00.000Z	74 \| moderate	8.328 \| good	36.819 \| good	61.968 \| fine	0.397 \| good	0.698 \| good	0.142 \| good
2026-07-25T20:00:00.000Z	84 \| moderate	7.3 \| good	31.915 \| good	64.832 \| fine	0.368 \| good	0.703 \| good	0.141 \| good
2026-07-25T21:00:00.000Z	87 \| moderate	6.774 \| good	29.835 \| good	66.215 \| fine	0.349 \| good	0.756 \| good	0.14 \| 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?