What are the current PM10 levels at Caln, Pennsylvania?

The current PM10 levels in Caln, Pennsylvania are 29.887 μg/m3.

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

The current sulfur dioxide (SO2) levels in Caln, Pennsylvania are 0.147 ppb.

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

The current ozone (O3) levels at Caln, Pennsylvania is 17.713 ppm.

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

The current nitrogen dioxide (NO2) levels at Caln, Pennsylvania is 10.675 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 7.707 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)

7.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.89 μg/m³

155

255

425

605+

Ozone (O₃)

17.71 ppb

201

201+

Sulfur Dioxide (SO₂)

0.15 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-10-20T12:00:00.000Z	26 \| good	1.631 \| good	5.4 \| good	27.842 \| good	0.246 \| good	5.591 \| good	0.247 \| good
2025-10-20T13:00:00.000Z	24 \| good	1.834 \| good	7.479 \| good	25.912 \| good	0.303 \| good	5.739 \| good	0.247 \| good
2025-10-20T14:00:00.000Z	25 \| good	1.279 \| good	4.629 \| good	26.753 \| good	0.302 \| good	4.328 \| good	0.233 \| good
2025-10-20T15:00:00.000Z	24 \| good	2.005 \| good	8.411 \| good	25.582 \| good	0.255 \| good	3.796 \| good	0.233 \| good
2025-10-20T16:00:00.000Z	25 \| good	1.785 \| good	9.61 \| good	26.662 \| good	0.218 \| good	3.647 \| good	0.258 \| good
2025-10-20T17:00:00.000Z	28 \| good	2.667 \| good	11.791 \| good	29.625 \| good	0.306 \| good	3.119 \| good	0.244 \| good
2025-10-20T18:00:00.000Z	28 \| good	2.567 \| good	10.605 \| good	29.793 \| good	0.2 \| good	3.474 \| good	0.185 \| good
2025-10-20T19:00:00.000Z	28 \| good	3.675 \| good	14.44 \| good	29.877 \| good	0.218 \| good	3.234 \| good	0.185 \| good
2025-10-20T20:00:00.000Z	28 \| good	3.63 \| good	13.662 \| good	29.524 \| good	0.257 \| good	3.139 \| good	0.185 \| good
2025-10-20T21:00:00.000Z	29 \| good	3.162 \| good	12.326 \| good	30.548 \| good	0.202 \| good	3.335 \| good	0.185 \| good
2025-10-20T22:00:00.000Z	27 \| good	3.095 \| good	14.898 \| good	29.181 \| good	0.224 \| good	4.05 \| good	0.185 \| good
2025-10-20T23:00:00.000Z	27 \| good	2.68 \| good	9.357 \| good	29.169 \| good	0.189 \| good	3.503 \| good	0.204 \| good
2025-10-21T00:00:00.000Z	25 \| good	3.864 \| good	15.41 \| good	27.353 \| good	0.177 \| good	4.141 \| good	0.228 \| good
2025-10-21T01:00:00.000Z	22 \| good	4.105 \| good	19.229 \| good	23.035 \| good	0.197 \| good	5.739 \| good	0.238 \| good
2025-10-21T02:00:00.000Z	22 \| good	4.219 \| good	14.958 \| good	21.912 \| good	0.197 \| good	6.055 \| good	0.281 \| good
2025-10-21T03:00:00.000Z	33 \| good	6.073 \| good	26.958 \| good	21.108 \| good	1.521 \| good	6.035 \| good	0.148 \| good
2025-10-21T04:00:00.000Z	27 \| good	4.644 \| good	19.069 \| good	22.735 \| good	0.208 \| good	7.413 \| good	0.281 \| good
2025-10-21T05:00:00.000Z	27 \| good	4.776 \| good	18.733 \| good	19.57 \| good	0.231 \| good	8.322 \| good	0.281 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.426 \| good	26.625 \| good	18.078 \| good	0.221 \| good	8.202 \| good	0.223 \| good
2025-10-21T07:00:00.000Z	27 \| good	5.435 \| good	23.162 \| good	16.365 \| good	0.201 \| good	8.776 \| good	0.27 \| good
2025-10-21T08:00:00.000Z	33 \| good	5.955 \| good	24.077 \| good	16.843 \| good	0.235 \| good	8.2 \| good	0.247 \| good
2025-10-21T09:00:00.000Z	33 \| good	6.043 \| good	23.765 \| good	10.689 \| good	0.235 \| good	7.686 \| good	0.253 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.334 \| good	18.953 \| good	11.161 \| good	0.283 \| good	9.838 \| good	0.305 \| good
2025-10-21T11:00:00.000Z	27 \| good	4.619 \| good	23.353 \| good	13.489 \| good	0.334 \| good	14.57 \| good	0.308 \| good
2025-10-21T12:00:00.000Z	33 \| good	5.592 \| good	24.169 \| good	8.227 \| good	0.352 \| good	15.878 \| good	0.403 \| good
2025-10-21T13:00:00.000Z	33 \| good	6.217 \| good	20.182 \| good	9.694 \| good	0.467 \| good	16.363 \| good	0.465 \| good
2025-10-21T14:00:00.000Z	38 \| good	6.609 \| good	24.385 \| good	12.52 \| good	0.749 \| good	18.04 \| good	0.452 \| good
2025-10-21T15:00:00.000Z	38 \| good	6.962 \| good	30.889 \| good	11.905 \| good	1.005 \| good	14.55 \| good	0.344 \| good
2025-10-21T16:00:00.000Z	27 \| good	5.171 \| good	22.415 \| good	20.044 \| good	0.727 \| good	7.26 \| good	0.291 \| good
2025-10-21T17:00:00.000Z	25 \| good	3.699 \| good	19.469 \| good	27.087 \| good	0.361 \| good	9.067 \| good	0.256 \| good
2025-10-21T18:00:00.000Z	30 \| good	3.591 \| good	19.209 \| good	31.635 \| good	0.277 \| good	7.837 \| good	0.256 \| good
2025-10-21T19:00:00.000Z	32 \| good	3.419 \| good	15.755 \| good	35.179 \| good	0.299 \| good	6.483 \| good	0.226 \| good
2025-10-21T20:00:00.000Z	33 \| good	3.158 \| good	14.751 \| good	36.16 \| good	0.289 \| good	6.317 \| good	0.226 \| good
2025-10-21T21:00:00.000Z	34 \| good	4.99 \| good	18.11 \| good	36.878 \| good	0.274 \| good	6.657 \| good	0.266 \| good
2025-10-21T22:00:00.000Z	35 \| good	4.255 \| good	17.059 \| good	38.19 \| good	0.294 \| good	7.739 \| good	0.266 \| good
2025-10-21T23:00:00.000Z	36 \| good	5.036 \| good	23.582 \| good	38.565 \| good	0.305 \| good	8.351 \| good	0.268 \| good
2025-10-22T00:00:00.000Z	31 \| good	5.087 \| good	28.982 \| good	33.453 \| good	0.279 \| good	9.078 \| good	0.301 \| good
2025-10-22T01:00:00.000Z	34 \| good	5.975 \| good	24.424 \| good	37.46 \| good	0.336 \| good	11.631 \| good	0.291 \| good
2025-10-22T02:00:00.000Z	33 \| good	6.294 \| good	24.759 \| good	33.8 \| good	0.207 \| good	8.832 \| good	0.322 \| good
2025-10-22T03:00:00.000Z	49 \| good	9.197 \| good	41.416 \| good	30.931 \| good	1.716 \| good	5.892 \| good	0.176 \| good
2025-10-22T04:00:00.000Z	38 \| good	6.836 \| good	27.451 \| good	27.55 \| good	0.291 \| good	9.334 \| good	0.306 \| good
2025-10-22T05:00:00.000Z	44 \| good	7.887 \| good	31.323 \| good	23.843 \| good	0.287 \| good	7.918 \| good	0.25 \| good
2025-10-22T06:00:00.000Z	49 \| good	8.845 \| good	29.872 \| good	25.463 \| good	0.261 \| good	9.948 \| good	0.25 \| good
2025-10-22T07:00:00.000Z	49 \| good	8.588 \| good	41.044 \| good	24.392 \| good	0.262 \| good	13.487 \| good	0.25 \| good
2025-10-22T08:00:00.000Z	49 \| good	8.724 \| good	36.381 \| good	24.713 \| good	0.292 \| good	10.657 \| good	0.159 \| good
2025-10-22T09:00:00.000Z	38 \| good	7.156 \| good	31.167 \| good	21.498 \| good	0.28 \| good	9.935 \| good	0.25 \| good
2025-10-22T10:00:00.000Z	52 \| moderate	10.427 \| good	46.886 \| good	19.989 \| good	0.236 \| good	9.855 \| good	0.26 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.106 \| good	37.875 \| good	17.375 \| good	0.145 \| good	10.59 \| good	0.234 \| good
2025-10-22T11:00:00.000Z	44 \| good	7.707 \| good	29.887 \| good	17.713 \| good	0.147 \| good	10.675 \| good	0.227 \| good
2025-10-22T12:00:00.000Z	44 \| good	8.115 \| good	35.515 \| good	18.639 \| good	2.982 \| good	4.705 \| good	0.152 \| good
2025-10-22T13:00:00.000Z	33 \| good	6.1 \| good	27.165 \| good	25.137 \| good	2.615 \| good	3.775 \| good	0.146 \| good
2025-10-22T14:00:00.000Z	29 \| good	4.016 \| good	17.54 \| good	31.277 \| good	2.248 \| good	2.844 \| good	0.14 \| good
2025-10-22T15:00:00.000Z	34 \| good	3.335 \| good	14.867 \| good	36.868 \| good	1.881 \| good	1.913 \| good	0.134 \| good
2025-10-22T16:00:00.000Z	35 \| good	3.564 \| good	15.532 \| good	38.019 \| good	1.665 \| good	1.796 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	33 \| good	4.001 \| good	17.467 \| good	36.382 \| good	1.449 \| good	1.678 \| good	0.13 \| good
2025-10-22T18:00:00.000Z	31 \| good	4.175 \| good	18.163 \| good	33.913 \| good	1.234 \| good	1.561 \| good	0.127 \| good
2025-10-22T19:00:00.000Z	31 \| good	3.983 \| good	17.492 \| good	33.379 \| good	1.317 \| good	1.778 \| good	0.128 \| good
2025-10-22T20:00:00.000Z	30 \| good	3.901 \| good	17 \| good	32.043 \| good	1.4 \| good	1.994 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	30 \| good	4.22 \| good	18.728 \| good	31.643 \| good	1.483 \| good	2.211 \| good	0.13 \| good
2025-10-22T22:00:00.000Z	28 \| good	4.313 \| good	18.937 \| good	29.549 \| good	1.534 \| good	3.822 \| good	0.143 \| good
2025-10-22T23:00:00.000Z	27 \| good	5.443 \| good	23.384 \| good	25.664 \| good	1.585 \| good	5.434 \| good	0.155 \| good
2025-10-23T00:00:00.000Z	33 \| good	6.368 \| good	28.569 \| good	23.778 \| good	1.636 \| good	7.046 \| good	0.167 \| good
2025-10-23T01:00:00.000Z	38 \| good	6.597 \| good	29.447 \| good	23.794 \| good	1.729 \| good	6.977 \| good	0.167 \| good
2025-10-23T02:00:00.000Z	38 \| good	6.787 \| good	30.169 \| good	22.392 \| good	1.821 \| good	6.909 \| good	0.166 \| good
2025-10-23T03:00:00.000Z	38 \| good	6.965 \| good	31.015 \| good	21.932 \| good	1.913 \| good	6.841 \| good	0.165 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.629 \| good	29.498 \| good	22.518 \| good	2.031 \| good	6.098 \| good	0.158 \| good
2025-10-23T05:00:00.000Z	33 \| good	6.362 \| good	28.344 \| good	23.521 \| good	2.149 \| good	5.356 \| good	0.15 \| good
2025-10-23T06:00:00.000Z	33 \| good	6.372 \| good	28.431 \| good	22.518 \| good	2.267 \| good	4.614 \| good	0.143 \| good
2025-10-23T07:00:00.000Z	38 \| good	6.523 \| good	29.139 \| good	21.417 \| good	2.35 \| good	4.361 \| good	0.14 \| good
2025-10-23T08:00:00.000Z	38 \| good	6.768 \| good	30 \| good	20.948 \| good	2.433 \| good	4.108 \| good	0.137 \| good
2025-10-23T09:00:00.000Z	38 \| good	6.867 \| good	30.344 \| good	20.39 \| good	2.516 \| good	3.855 \| good	0.135 \| good
2025-10-23T10:00:00.000Z	38 \| good	6.682 \| good	29.907 \| good	19.725 \| good	2.502 \| good	4.379 \| good	0.14 \| good
2025-10-23T11:00:00.000Z	38 \| good	7.066 \| good	31.235 \| good	16.984 \| good	2.488 \| good	4.904 \| good	0.145 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.472 \| good	29.211 \| good	19.834 \| good	2.474 \| good	5.429 \| good	0.151 \| good
2025-10-23T13:00:00.000Z	24 \| good	3.952 \| good	17.375 \| good	26.255 \| good	2.327 \| good	4.487 \| good	0.146 \| good
2025-10-23T14:00:00.000Z	28 \| good	2.976 \| good	12.246 \| good	30.118 \| good	2.179 \| good	3.545 \| good	0.141 \| good
2025-10-23T15:00:00.000Z	31 \| good	3.243 \| good	14.22 \| good	32.936 \| good	2.031 \| good	2.603 \| good	0.137 \| good
2025-10-23T16:00:00.000Z	33 \| good	3.414 \| good	14.95 \| good	35.517 \| good	1.831 \| good	2.36 \| good	0.135 \| good
2025-10-23T17:00:00.000Z	32 \| good	3.114 \| good	13.347 \| good	34.922 \| good	1.631 \| good	2.117 \| good	0.134 \| good
2025-10-23T18:00:00.000Z	29 \| good	2.435 \| good	10.057 \| good	30.577 \| good	1.431 \| good	1.874 \| good	0.132 \| good
2025-10-23T19:00:00.000Z	27 \| good	2.584 \| good	10.589 \| good	29.187 \| good	1.44 \| good	2.076 \| good	0.134 \| good
2025-10-23T20:00:00.000Z	30 \| good	2.377 \| good	9.682 \| good	31.581 \| good	1.449 \| good	2.278 \| good	0.136 \| good
2025-10-23T21:00:00.000Z	31 \| good	2.311 \| good	9.62 \| good	32.956 \| good	1.458 \| good	2.48 \| good	0.137 \| good
2025-10-23T22:00:00.000Z	29 \| good	2.281 \| good	9.415 \| good	31.07 \| good	1.606 \| good	4.545 \| good	0.155 \| good
2025-10-23T23:00:00.000Z	26 \| good	2.896 \| good	12.072 \| good	27.841 \| good	1.755 \| good	6.61 \| good	0.172 \| good
2025-10-24T00:00:00.000Z	26 \| good	3.515 \| good	15.435 \| good	28.117 \| good	1.903 \| good	8.675 \| good	0.19 \| good
2025-10-24T01:00:00.000Z	23 \| good	4.448 \| good	19.434 \| good	25.081 \| good	2.067 \| good	8.457 \| good	0.189 \| good
2025-10-24T02:00:00.000Z	33 \| good	5.945 \| good	26.23 \| good	21.472 \| good	2.231 \| good	8.238 \| good	0.188 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.456 \| good	32.772 \| good	19.995 \| good	2.395 \| good	8.019 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	49 \| good	8.628 \| good	37.958 \| good	17.97 \| good	2.51 \| good	7.415 \| good	0.183 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.518 \| good	42.608 \| good	16.158 \| good	2.625 \| good	6.812 \| good	0.178 \| good
2025-10-24T06:00:00.000Z	22 \| good	4.088 \| good	4.089 \| good	15.233 \| good	2.721 \| good	6.225 \| good	0.174 \| good
2025-10-24T07:00:00.000Z	54 \| moderate	10.856 \| good	48.149 \| good	12.679 \| good	2.808 \| good	5.99 \| good	0.172 \| good
2025-10-24T08:00:00.000Z	52 \| moderate	10.12 \| good	44.864 \| good	10.865 \| good	2.876 \| good	5.771 \| good	0.17 \| good
2025-10-24T09:00:00.000Z	49 \| good	8.794 \| good	38.866 \| good	10.947 \| good	2.944 \| good	5.553 \| good	0.167 \| good
2025-10-24T10:00:00.000Z	44 \| good	8.355 \| good	36.608 \| good	9.196 \| good	3.03 \| good	6.511 \| good	0.178 \| good
2025-10-24T11:00:00.000Z	44 \| good	7.878 \| good	34.668 \| good	9.27 \| good	3.116 \| good	7.47 \| good	0.189 \| good

Caln

Empower business decisions with accurate air quality data

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

0.26ppm

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 10:00:00 on 2025-10-22.

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

The best air quality in Caln, Pennsylvania was recorded at 05:00:00 on 2025-10-21.

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 PM2.5.

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 7.707 μg/m³.

What are the current PM₁₀ levels at Caln, Pennsylvania?

The current PM₁₀ levels in Caln, Pennsylvania are 29.887 μg/m³.

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

The current carbon monoxide (CO) level in Caln, Pennsylvania is 0.227 ppm.

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

The current sulfur dioxide (SO₂) levels in Caln, Pennsylvania are 0.147 ppb.

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

The current ozone (O₃) levels at Caln, Pennsylvania is 17.713 ppm.

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

The current nitrogen dioxide (NO₂) levels at Caln, Pennsylvania is 10.675 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T12:00:00.000Z	26 \| good	1.631 \| good	5.4 \| good	27.842 \| good	0.246 \| good	5.591 \| good	0.247 \| good
2025-10-20T13:00:00.000Z	24 \| good	1.834 \| good	7.479 \| good	25.912 \| good	0.303 \| good	5.739 \| good	0.247 \| good
2025-10-20T14:00:00.000Z	25 \| good	1.279 \| good	4.629 \| good	26.753 \| good	0.302 \| good	4.328 \| good	0.233 \| good
2025-10-20T15:00:00.000Z	24 \| good	2.005 \| good	8.411 \| good	25.582 \| good	0.255 \| good	3.796 \| good	0.233 \| good
2025-10-20T16:00:00.000Z	25 \| good	1.785 \| good	9.61 \| good	26.662 \| good	0.218 \| good	3.647 \| good	0.258 \| good
2025-10-20T17:00:00.000Z	28 \| good	2.667 \| good	11.791 \| good	29.625 \| good	0.306 \| good	3.119 \| good	0.244 \| good
2025-10-20T18:00:00.000Z	28 \| good	2.567 \| good	10.605 \| good	29.793 \| good	0.2 \| good	3.474 \| good	0.185 \| good
2025-10-20T19:00:00.000Z	28 \| good	3.675 \| good	14.44 \| good	29.877 \| good	0.218 \| good	3.234 \| good	0.185 \| good
2025-10-20T20:00:00.000Z	28 \| good	3.63 \| good	13.662 \| good	29.524 \| good	0.257 \| good	3.139 \| good	0.185 \| good
2025-10-20T21:00:00.000Z	29 \| good	3.162 \| good	12.326 \| good	30.548 \| good	0.202 \| good	3.335 \| good	0.185 \| good
2025-10-20T22:00:00.000Z	27 \| good	3.095 \| good	14.898 \| good	29.181 \| good	0.224 \| good	4.05 \| good	0.185 \| good
2025-10-20T23:00:00.000Z	27 \| good	2.68 \| good	9.357 \| good	29.169 \| good	0.189 \| good	3.503 \| good	0.204 \| good
2025-10-21T00:00:00.000Z	25 \| good	3.864 \| good	15.41 \| good	27.353 \| good	0.177 \| good	4.141 \| good	0.228 \| good
2025-10-21T01:00:00.000Z	22 \| good	4.105 \| good	19.229 \| good	23.035 \| good	0.197 \| good	5.739 \| good	0.238 \| good
2025-10-21T02:00:00.000Z	22 \| good	4.219 \| good	14.958 \| good	21.912 \| good	0.197 \| good	6.055 \| good	0.281 \| good
2025-10-21T03:00:00.000Z	33 \| good	6.073 \| good	26.958 \| good	21.108 \| good	1.521 \| good	6.035 \| good	0.148 \| good
2025-10-21T04:00:00.000Z	27 \| good	4.644 \| good	19.069 \| good	22.735 \| good	0.208 \| good	7.413 \| good	0.281 \| good
2025-10-21T05:00:00.000Z	27 \| good	4.776 \| good	18.733 \| good	19.57 \| good	0.231 \| good	8.322 \| good	0.281 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.426 \| good	26.625 \| good	18.078 \| good	0.221 \| good	8.202 \| good	0.223 \| good
2025-10-21T07:00:00.000Z	27 \| good	5.435 \| good	23.162 \| good	16.365 \| good	0.201 \| good	8.776 \| good	0.27 \| good
2025-10-21T08:00:00.000Z	33 \| good	5.955 \| good	24.077 \| good	16.843 \| good	0.235 \| good	8.2 \| good	0.247 \| good
2025-10-21T09:00:00.000Z	33 \| good	6.043 \| good	23.765 \| good	10.689 \| good	0.235 \| good	7.686 \| good	0.253 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.334 \| good	18.953 \| good	11.161 \| good	0.283 \| good	9.838 \| good	0.305 \| good
2025-10-21T11:00:00.000Z	27 \| good	4.619 \| good	23.353 \| good	13.489 \| good	0.334 \| good	14.57 \| good	0.308 \| good
2025-10-21T12:00:00.000Z	33 \| good	5.592 \| good	24.169 \| good	8.227 \| good	0.352 \| good	15.878 \| good	0.403 \| good
2025-10-21T13:00:00.000Z	33 \| good	6.217 \| good	20.182 \| good	9.694 \| good	0.467 \| good	16.363 \| good	0.465 \| good
2025-10-21T14:00:00.000Z	38 \| good	6.609 \| good	24.385 \| good	12.52 \| good	0.749 \| good	18.04 \| good	0.452 \| good
2025-10-21T15:00:00.000Z	38 \| good	6.962 \| good	30.889 \| good	11.905 \| good	1.005 \| good	14.55 \| good	0.344 \| good
2025-10-21T16:00:00.000Z	27 \| good	5.171 \| good	22.415 \| good	20.044 \| good	0.727 \| good	7.26 \| good	0.291 \| good
2025-10-21T17:00:00.000Z	25 \| good	3.699 \| good	19.469 \| good	27.087 \| good	0.361 \| good	9.067 \| good	0.256 \| good
2025-10-21T18:00:00.000Z	30 \| good	3.591 \| good	19.209 \| good	31.635 \| good	0.277 \| good	7.837 \| good	0.256 \| good
2025-10-21T19:00:00.000Z	32 \| good	3.419 \| good	15.755 \| good	35.179 \| good	0.299 \| good	6.483 \| good	0.226 \| good
2025-10-21T20:00:00.000Z	33 \| good	3.158 \| good	14.751 \| good	36.16 \| good	0.289 \| good	6.317 \| good	0.226 \| good
2025-10-21T21:00:00.000Z	34 \| good	4.99 \| good	18.11 \| good	36.878 \| good	0.274 \| good	6.657 \| good	0.266 \| good
2025-10-21T22:00:00.000Z	35 \| good	4.255 \| good	17.059 \| good	38.19 \| good	0.294 \| good	7.739 \| good	0.266 \| good
2025-10-21T23:00:00.000Z	36 \| good	5.036 \| good	23.582 \| good	38.565 \| good	0.305 \| good	8.351 \| good	0.268 \| good
2025-10-22T00:00:00.000Z	31 \| good	5.087 \| good	28.982 \| good	33.453 \| good	0.279 \| good	9.078 \| good	0.301 \| good
2025-10-22T01:00:00.000Z	34 \| good	5.975 \| good	24.424 \| good	37.46 \| good	0.336 \| good	11.631 \| good	0.291 \| good
2025-10-22T02:00:00.000Z	33 \| good	6.294 \| good	24.759 \| good	33.8 \| good	0.207 \| good	8.832 \| good	0.322 \| good
2025-10-22T03:00:00.000Z	49 \| good	9.197 \| good	41.416 \| good	30.931 \| good	1.716 \| good	5.892 \| good	0.176 \| good
2025-10-22T04:00:00.000Z	38 \| good	6.836 \| good	27.451 \| good	27.55 \| good	0.291 \| good	9.334 \| good	0.306 \| good
2025-10-22T05:00:00.000Z	44 \| good	7.887 \| good	31.323 \| good	23.843 \| good	0.287 \| good	7.918 \| good	0.25 \| good
2025-10-22T06:00:00.000Z	49 \| good	8.845 \| good	29.872 \| good	25.463 \| good	0.261 \| good	9.948 \| good	0.25 \| good
2025-10-22T07:00:00.000Z	49 \| good	8.588 \| good	41.044 \| good	24.392 \| good	0.262 \| good	13.487 \| good	0.25 \| good
2025-10-22T08:00:00.000Z	49 \| good	8.724 \| good	36.381 \| good	24.713 \| good	0.292 \| good	10.657 \| good	0.159 \| good
2025-10-22T09:00:00.000Z	38 \| good	7.156 \| good	31.167 \| good	21.498 \| good	0.28 \| good	9.935 \| good	0.25 \| good
2025-10-22T10:00:00.000Z	52 \| moderate	10.427 \| good	46.886 \| good	19.989 \| good	0.236 \| good	9.855 \| good	0.26 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.106 \| good	37.875 \| good	17.375 \| good	0.145 \| good	10.59 \| good	0.234 \| good
2025-10-22T11:00:00.000Z	44 \| good	7.707 \| good	29.887 \| good	17.713 \| good	0.147 \| good	10.675 \| good	0.227 \| good
2025-10-22T12:00:00.000Z	44 \| good	8.115 \| good	35.515 \| good	18.639 \| good	2.982 \| good	4.705 \| good	0.152 \| good
2025-10-22T13:00:00.000Z	33 \| good	6.1 \| good	27.165 \| good	25.137 \| good	2.615 \| good	3.775 \| good	0.146 \| good
2025-10-22T14:00:00.000Z	29 \| good	4.016 \| good	17.54 \| good	31.277 \| good	2.248 \| good	2.844 \| good	0.14 \| good
2025-10-22T15:00:00.000Z	34 \| good	3.335 \| good	14.867 \| good	36.868 \| good	1.881 \| good	1.913 \| good	0.134 \| good
2025-10-22T16:00:00.000Z	35 \| good	3.564 \| good	15.532 \| good	38.019 \| good	1.665 \| good	1.796 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	33 \| good	4.001 \| good	17.467 \| good	36.382 \| good	1.449 \| good	1.678 \| good	0.13 \| good
2025-10-22T18:00:00.000Z	31 \| good	4.175 \| good	18.163 \| good	33.913 \| good	1.234 \| good	1.561 \| good	0.127 \| good
2025-10-22T19:00:00.000Z	31 \| good	3.983 \| good	17.492 \| good	33.379 \| good	1.317 \| good	1.778 \| good	0.128 \| good
2025-10-22T20:00:00.000Z	30 \| good	3.901 \| good	17 \| good	32.043 \| good	1.4 \| good	1.994 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	30 \| good	4.22 \| good	18.728 \| good	31.643 \| good	1.483 \| good	2.211 \| good	0.13 \| good
2025-10-22T22:00:00.000Z	28 \| good	4.313 \| good	18.937 \| good	29.549 \| good	1.534 \| good	3.822 \| good	0.143 \| good
2025-10-22T23:00:00.000Z	27 \| good	5.443 \| good	23.384 \| good	25.664 \| good	1.585 \| good	5.434 \| good	0.155 \| good
2025-10-23T00:00:00.000Z	33 \| good	6.368 \| good	28.569 \| good	23.778 \| good	1.636 \| good	7.046 \| good	0.167 \| good
2025-10-23T01:00:00.000Z	38 \| good	6.597 \| good	29.447 \| good	23.794 \| good	1.729 \| good	6.977 \| good	0.167 \| good
2025-10-23T02:00:00.000Z	38 \| good	6.787 \| good	30.169 \| good	22.392 \| good	1.821 \| good	6.909 \| good	0.166 \| good
2025-10-23T03:00:00.000Z	38 \| good	6.965 \| good	31.015 \| good	21.932 \| good	1.913 \| good	6.841 \| good	0.165 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.629 \| good	29.498 \| good	22.518 \| good	2.031 \| good	6.098 \| good	0.158 \| good
2025-10-23T05:00:00.000Z	33 \| good	6.362 \| good	28.344 \| good	23.521 \| good	2.149 \| good	5.356 \| good	0.15 \| good
2025-10-23T06:00:00.000Z	33 \| good	6.372 \| good	28.431 \| good	22.518 \| good	2.267 \| good	4.614 \| good	0.143 \| good
2025-10-23T07:00:00.000Z	38 \| good	6.523 \| good	29.139 \| good	21.417 \| good	2.35 \| good	4.361 \| good	0.14 \| good
2025-10-23T08:00:00.000Z	38 \| good	6.768 \| good	30 \| good	20.948 \| good	2.433 \| good	4.108 \| good	0.137 \| good
2025-10-23T09:00:00.000Z	38 \| good	6.867 \| good	30.344 \| good	20.39 \| good	2.516 \| good	3.855 \| good	0.135 \| good
2025-10-23T10:00:00.000Z	38 \| good	6.682 \| good	29.907 \| good	19.725 \| good	2.502 \| good	4.379 \| good	0.14 \| good
2025-10-23T11:00:00.000Z	38 \| good	7.066 \| good	31.235 \| good	16.984 \| good	2.488 \| good	4.904 \| good	0.145 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.472 \| good	29.211 \| good	19.834 \| good	2.474 \| good	5.429 \| good	0.151 \| good
2025-10-23T13:00:00.000Z	24 \| good	3.952 \| good	17.375 \| good	26.255 \| good	2.327 \| good	4.487 \| good	0.146 \| good
2025-10-23T14:00:00.000Z	28 \| good	2.976 \| good	12.246 \| good	30.118 \| good	2.179 \| good	3.545 \| good	0.141 \| good
2025-10-23T15:00:00.000Z	31 \| good	3.243 \| good	14.22 \| good	32.936 \| good	2.031 \| good	2.603 \| good	0.137 \| good
2025-10-23T16:00:00.000Z	33 \| good	3.414 \| good	14.95 \| good	35.517 \| good	1.831 \| good	2.36 \| good	0.135 \| good
2025-10-23T17:00:00.000Z	32 \| good	3.114 \| good	13.347 \| good	34.922 \| good	1.631 \| good	2.117 \| good	0.134 \| good
2025-10-23T18:00:00.000Z	29 \| good	2.435 \| good	10.057 \| good	30.577 \| good	1.431 \| good	1.874 \| good	0.132 \| good
2025-10-23T19:00:00.000Z	27 \| good	2.584 \| good	10.589 \| good	29.187 \| good	1.44 \| good	2.076 \| good	0.134 \| good
2025-10-23T20:00:00.000Z	30 \| good	2.377 \| good	9.682 \| good	31.581 \| good	1.449 \| good	2.278 \| good	0.136 \| good
2025-10-23T21:00:00.000Z	31 \| good	2.311 \| good	9.62 \| good	32.956 \| good	1.458 \| good	2.48 \| good	0.137 \| good
2025-10-23T22:00:00.000Z	29 \| good	2.281 \| good	9.415 \| good	31.07 \| good	1.606 \| good	4.545 \| good	0.155 \| good
2025-10-23T23:00:00.000Z	26 \| good	2.896 \| good	12.072 \| good	27.841 \| good	1.755 \| good	6.61 \| good	0.172 \| good
2025-10-24T00:00:00.000Z	26 \| good	3.515 \| good	15.435 \| good	28.117 \| good	1.903 \| good	8.675 \| good	0.19 \| good
2025-10-24T01:00:00.000Z	23 \| good	4.448 \| good	19.434 \| good	25.081 \| good	2.067 \| good	8.457 \| good	0.189 \| good
2025-10-24T02:00:00.000Z	33 \| good	5.945 \| good	26.23 \| good	21.472 \| good	2.231 \| good	8.238 \| good	0.188 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.456 \| good	32.772 \| good	19.995 \| good	2.395 \| good	8.019 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	49 \| good	8.628 \| good	37.958 \| good	17.97 \| good	2.51 \| good	7.415 \| good	0.183 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.518 \| good	42.608 \| good	16.158 \| good	2.625 \| good	6.812 \| good	0.178 \| good
2025-10-24T06:00:00.000Z	22 \| good	4.088 \| good	4.089 \| good	15.233 \| good	2.721 \| good	6.225 \| good	0.174 \| good
2025-10-24T07:00:00.000Z	54 \| moderate	10.856 \| good	48.149 \| good	12.679 \| good	2.808 \| good	5.99 \| good	0.172 \| good
2025-10-24T08:00:00.000Z	52 \| moderate	10.12 \| good	44.864 \| good	10.865 \| good	2.876 \| good	5.771 \| good	0.17 \| good
2025-10-24T09:00:00.000Z	49 \| good	8.794 \| good	38.866 \| good	10.947 \| good	2.944 \| good	5.553 \| good	0.167 \| good
2025-10-24T10:00:00.000Z	44 \| good	8.355 \| good	36.608 \| good	9.196 \| good	3.03 \| good	6.511 \| good	0.178 \| good
2025-10-24T11:00:00.000Z	44 \| good	7.878 \| good	34.668 \| good	9.27 \| good	3.116 \| good	7.47 \| good	0.189 \| 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?