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

The current PM10 concentration at Radnor, Pennsylvania is 30.837 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Radnor, Pennsylvania is 0.567 ppb.

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

The current ozone (O3) concentration at Radnor, Pennsylvania is 9.119 ppm.

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

The current nitrogen dioxide (NO2) concentration at Radnor, Pennsylvania is 23.672 ppb.

Radnor, Pennsylvania live air quality index now

Q: What is the current concentration of PM2.5 in Radnor, Pennsylvania?

The current PM2.5 concentration at Radnor, Pennsylvania is 6.917 μg/m3.

Stay updated with real-time air quality in Radnor, 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

Radnor, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Radnor, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.84 μg/m³

155

255

425

605+

Ozone (O₃)

9.12 ppb

201

201+

Sulfur Dioxide (SO₂)

0.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.47 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

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Radnor, Pennsylvania

Scroll To Air Quality Map

Track live Radnor, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-12T11:00:00.000Z	49 \| good	8.914 \| good	39.14 \| good	12.839 \| good	0.777 \| good	19.026 \| good	0.493 \| good
2026-03-12T12:00:00.000Z	33 \| good	6.405 \| good	28.912 \| good	20.885 \| good	0.797 \| good	12.646 \| good	0.37 \| good
2026-03-12T13:00:00.000Z	22 \| good	3.792 \| good	16.65 \| good	23.734 \| good	0.545 \| good	6.198 \| good	0.297 \| good
2026-03-12T14:00:00.000Z	21 \| good	2.491 \| good	10.551 \| good	23.496 \| good	0.466 \| good	5.835 \| good	0.246 \| good
2026-03-12T15:00:00.000Z	23 \| good	1.758 \| good	7.772 \| good	24.822 \| good	0.531 \| good	5.932 \| good	0.246 \| good
2026-03-12T16:00:00.000Z	26 \| good	1.418 \| good	6.257 \| good	28.309 \| good	0.53 \| good	7.606 \| good	0.266 \| good
2026-03-12T17:00:00.000Z	27 \| good	1.403 \| good	6.038 \| good	29.179 \| good	0.484 \| good	8.02 \| good	0.301 \| good
2026-03-12T18:00:00.000Z	28 \| good	1.431 \| good	6.174 \| good	30.138 \| good	0.479 \| good	8.119 \| good	0.301 \| good
2026-03-12T19:00:00.000Z	29 \| good	1.651 \| good	6.961 \| good	30.635 \| good	0.339 \| good	9.923 \| good	0.309 \| good
2026-03-12T20:00:00.000Z	28 \| good	2.011 \| good	8.302 \| good	29.84 \| good	0.363 \| good	9.018 \| good	0.305 \| good
2026-03-12T21:00:00.000Z	27 \| good	2.619 \| good	10.835 \| good	28.607 \| good	0.397 \| good	9.339 \| good	0.304 \| good
2026-03-12T22:00:00.000Z	28 \| good	2.912 \| good	12.104 \| good	30.071 \| good	0.414 \| good	15.01 \| good	0.323 \| good
2026-03-12T23:00:00.000Z	26 \| good	3.273 \| good	13.801 \| good	28.129 \| good	0.415 \| good	11.86 \| good	0.333 \| good
2026-03-13T00:00:00.000Z	24 \| good	3.756 \| good	15.889 \| good	26.159 \| good	0.406 \| good	11.223 \| good	0.333 \| good
2026-03-13T01:00:00.000Z	26 \| good	3.672 \| good	15.527 \| good	28.364 \| good	0.479 \| good	13.035 \| good	0.333 \| good
2026-03-13T02:00:00.000Z	27 \| good	5.125 \| good	22.082 \| good	27.638 \| good	0.152 \| good	13.452 \| good	0.376 \| good
2026-03-13T03:00:00.000Z	23 \| good	4.471 \| good	19.306 \| good	25.411 \| good	0.513 \| good	11.865 \| good	0.389 \| good
2026-03-13T04:00:00.000Z	25 \| good	3.562 \| good	15.267 \| good	27.427 \| good	0.593 \| good	8.946 \| good	0.313 \| good
2026-03-13T05:00:00.000Z	28 \| good	3.04 \| good	13.009 \| good	30.081 \| good	0.303 \| good	5.492 \| good	0.253 \| good
2026-03-13T06:00:00.000Z	31 \| good	2.835 \| good	11.923 \| good	32.731 \| good	0.379 \| good	5.266 \| good	0.21 \| good
2026-03-13T07:00:00.000Z	31 \| good	2.791 \| good	12.197 \| good	33.633 \| good	0.435 \| good	5.576 \| good	0.21 \| good
2026-03-13T08:00:00.000Z	28 \| good	2.795 \| good	12.052 \| good	30.132 \| good	0.39 \| good	7.881 \| good	0.213 \| good
2026-03-13T09:00:00.000Z	28 \| good	2.866 \| good	12.052 \| good	30.395 \| good	0.425 \| good	15.969 \| good	0.306 \| good
2026-03-13T10:00:00.000Z	22 \| good	3.069 \| good	13.064 \| good	24.314 \| good	0.445 \| good	19.586 \| good	0.32 \| good
2026-03-13T11:00:00.000Z	24 \| good	3.939 \| good	17.305 \| good	14.363 \| good	0.504 \| good	25.369 \| good	0.359 \| good
2026-03-13T12:00:00.000Z	30 \| good	4.491 \| good	19.872 \| good	12.611 \| good	0.519 \| good	31.776 \| good	0.442 \| good
2026-03-13T13:00:00.000Z	32 \| good	5.461 \| good	23.951 \| good	15.063 \| good	0.666 \| good	33.982 \| good	0.459 \| good
2026-03-13T14:00:00.000Z	33 \| good	5.799 \| good	25.472 \| good	19.617 \| good	0.703 \| good	26.482 \| good	0.452 \| good
2026-03-13T15:00:00.000Z	33 \| good	5.852 \| good	25.714 \| good	25.345 \| good	0.604 \| good	19.979 \| good	0.401 \| good
2026-03-13T16:00:00.000Z	29 \| good	5.269 \| good	23.488 \| good	30.511 \| good	0.439 \| good	10.994 \| good	0.3 \| good
2026-03-13T17:00:00.000Z	30 \| good	4.773 \| good	21.035 \| good	32.238 \| good	0.456 \| good	8.189 \| good	0.257 \| good
2026-03-13T18:00:00.000Z	31 \| good	4.614 \| good	20.74 \| good	32.845 \| good	0.418 \| good	8.07 \| good	0.257 \| good
2026-03-13T19:00:00.000Z	32 \| good	4.845 \| good	21.151 \| good	34.921 \| good	0.437 \| good	6.252 \| good	0.272 \| good
2026-03-13T20:00:00.000Z	32 \| good	5.002 \| good	22.212 \| good	34.922 \| good	0.401 \| good	5.613 \| good	0.272 \| good
2026-03-13T21:00:00.000Z	34 \| good	5.004 \| good	21.952 \| good	36.559 \| good	0.388 \| good	5.017 \| good	0.3 \| good
2026-03-13T22:00:00.000Z	37 \| good	4.833 \| good	21.582 \| good	39.6 \| good	0.388 \| good	3.748 \| good	0.3 \| good
2026-03-13T23:00:00.000Z	37 \| good	4.747 \| good	21.219 \| good	39.756 \| good	0.333 \| good	4.829 \| good	0.3 \| good
2026-03-14T00:00:00.000Z	38 \| good	4.826 \| good	21.301 \| good	40.618 \| good	0.395 \| good	6.2 \| good	0.3 \| good
2026-03-14T01:00:00.000Z	37 \| good	5.186 \| good	22.797 \| good	39.793 \| good	0.294 \| good	7.516 \| good	0.343 \| good
2026-03-14T02:00:00.000Z	36 \| good	5.571 \| good	24.468 \| good	38.677 \| good	0.313 \| good	8.339 \| good	0.343 \| good
2026-03-14T03:00:00.000Z	35 \| good	5.669 \| good	24.95 \| good	38.04 \| good	0.383 \| good	9.958 \| good	0.377 \| good
2026-03-14T04:00:00.000Z	34 \| good	5.613 \| good	25.025 \| good	36.748 \| good	0.396 \| good	11.843 \| good	0.377 \| good
2026-03-14T05:00:00.000Z	28 \| good	5.494 \| good	24.607 \| good	29.83 \| good	0.391 \| good	13.602 \| good	0.34 \| good
2026-03-14T06:00:00.000Z	33 \| good	5.953 \| good	25.931 \| good	22.62 \| good	0.333 \| good	16.361 \| good	0.337 \| good
2026-03-14T07:00:00.000Z	33 \| good	5.898 \| good	25.931 \| good	21.826 \| good	0.33 \| good	19.091 \| good	0.407 \| good
2026-03-14T08:00:00.000Z	38 \| good	6.532 \| good	29.407 \| good	17.34 \| good	0.379 \| good	23.87 \| good	0.483 \| good
2026-03-14T09:00:00.000Z	38 \| good	6.917 \| good	30.837 \| good	9.119 \| good	0.567 \| good	23.672 \| good	0.467 \| good
2026-03-14T10:00:00.000Z	38 \| good	6.917 \| good	30.837 \| good	9.119 \| good	0.567 \| good	23.672 \| good	0.467 \| good
2026-03-14T11:00:00.000Z	36 \| good	2.904 \| good	12.104 \| good	38.952 \| good	1.348 \| good	2.755 \| good	0.147 \| good
2026-03-14T12:00:00.000Z	36 \| good	1.627 \| good	6.631 \| good	38.885 \| good	1.347 \| good	3.061 \| good	0.151 \| good
2026-03-14T13:00:00.000Z	33 \| good	1.924 \| good	8.159 \| good	36.394 \| good	1.375 \| good	2.755 \| good	0.156 \| good
2026-03-14T14:00:00.000Z	31 \| good	2.281 \| good	9.257 \| good	34.184 \| good	1.403 \| good	2.45 \| good	0.161 \| good
2026-03-14T15:00:00.000Z	32 \| good	2.968 \| good	12.567 \| good	35.052 \| good	1.432 \| good	2.145 \| good	0.167 \| good
2026-03-14T16:00:00.000Z	34 \| good	2.69 \| good	11.323 \| good	37.282 \| good	1.398 \| good	1.944 \| good	0.166 \| good
2026-03-14T17:00:00.000Z	36 \| good	1.861 \| good	7.372 \| good	39.337 \| good	1.364 \| good	1.744 \| good	0.165 \| good
2026-03-14T18:00:00.000Z	39 \| good	0.964 \| good	3.68 \| good	41.764 \| good	1.33 \| good	1.544 \| good	0.165 \| good
2026-03-14T19:00:00.000Z	40 \| good	0.791 \| good	3.137 \| good	43.206 \| good	1.251 \| good	1.62 \| good	0.161 \| good
2026-03-14T20:00:00.000Z	41 \| good	0.875 \| good	3.375 \| good	43.572 \| good	1.172 \| good	1.697 \| good	0.157 \| good
2026-03-14T21:00:00.000Z	40 \| good	0.933 \| good	3.732 \| good	42.51 \| good	1.092 \| good	1.773 \| good	0.153 \| good
2026-03-14T22:00:00.000Z	39 \| good	1.416 \| good	5.703 \| good	41.648 \| good	1.163 \| good	3.735 \| good	0.165 \| good
2026-03-14T23:00:00.000Z	32 \| good	3.292 \| good	14.322 \| good	34.886 \| good	1.235 \| good	5.696 \| good	0.177 \| good
2026-03-15T00:00:00.000Z	31 \| good	2.06 \| good	8.352 \| good	33.349 \| good	1.306 \| good	7.658 \| good	0.189 \| good
2026-03-15T01:00:00.000Z	24 \| good	1.593 \| good	6.32 \| good	26.406 \| good	1.443 \| good	9.222 \| good	0.201 \| good
2026-03-15T02:00:00.000Z	20 \| good	1.618 \| good	6.7 \| good	21.898 \| good	1.581 \| good	10.786 \| good	0.213 \| good
2026-03-15T03:00:00.000Z	17 \| good	2.41 \| good	9.761 \| good	18.275 \| good	1.719 \| good	12.35 \| good	0.225 \| good
2026-03-15T04:00:00.000Z	27 \| good	4.67 \| good	20.286 \| good	17.397 \| good	1.681 \| good	10.891 \| good	0.217 \| good
2026-03-15T05:00:00.000Z	27 \| good	5.277 \| good	22.974 \| good	15.285 \| good	1.644 \| good	9.432 \| good	0.209 \| good
2026-03-15T06:00:00.000Z	27 \| good	5.045 \| good	21.863 \| good	19.265 \| good	1.607 \| good	7.973 \| good	0.2 \| good
2026-03-15T07:00:00.000Z	22 \| good	4.371 \| good	19.097 \| good	23.846 \| good	1.457 \| good	7.123 \| good	0.192 \| good
2026-03-15T08:00:00.000Z	33 \| good	5.566 \| good	24.434 \| good	19.528 \| good	1.307 \| good	6.273 \| good	0.185 \| good
2026-03-15T09:00:00.000Z	38 \| good	7.069 \| good	31.195 \| good	15.894 \| good	1.157 \| good	5.423 \| good	0.177 \| good
2026-03-15T10:00:00.000Z	44 \| good	7.503 \| good	32.749 \| good	20.209 \| good	1.33 \| good	6.483 \| good	0.181 \| good
2026-03-15T11:00:00.000Z	38 \| good	7.163 \| good	31.594 \| good	22.663 \| good	1.502 \| good	7.543 \| good	0.185 \| good
2026-03-15T12:00:00.000Z	38 \| good	7.224 \| good	31.881 \| good	25.399 \| good	1.675 \| good	8.603 \| good	0.188 \| good
2026-03-15T13:00:00.000Z	44 \| good	8.359 \| good	36.665 \| good	30.646 \| good	1.733 \| good	8.303 \| good	0.189 \| good
2026-03-15T14:00:00.000Z	38 \| good	7.105 \| good	31.543 \| good	31.048 \| good	1.791 \| good	8.003 \| good	0.189 \| good
2026-03-15T15:00:00.000Z	33 \| good	5.98 \| good	26.075 \| good	32.401 \| good	1.849 \| good	7.703 \| good	0.189 \| good
2026-03-15T16:00:00.000Z	34 \| good	4.441 \| good	19.488 \| good	36.611 \| good	1.585 \| good	6.245 \| good	0.179 \| good
2026-03-15T17:00:00.000Z	37 \| good	4.06 \| good	17.576 \| good	39.941 \| good	1.32 \| good	4.786 \| good	0.169 \| good
2026-03-15T18:00:00.000Z	39 \| good	3.999 \| good	17.442 \| good	42.201 \| good	1.056 \| good	3.328 \| good	0.159 \| good
2026-03-15T19:00:00.000Z	39 \| good	4.408 \| good	19.169 \| good	41.932 \| good	0.963 \| good	3.055 \| good	0.157 \| good
2026-03-15T20:00:00.000Z	36 \| good	3.703 \| good	16.273 \| good	39.458 \| good	0.871 \| good	2.782 \| good	0.154 \| good
2026-03-15T21:00:00.000Z	34 \| good	4.721 \| good	20.42 \| good	36.576 \| good	0.779 \| good	2.51 \| good	0.152 \| good
2026-03-15T22:00:00.000Z	33 \| good	2.913 \| good	12.082 \| good	36.404 \| good	0.796 \| good	3.574 \| good	0.159 \| good
2026-03-15T23:00:00.000Z	34 \| good	3.023 \| good	13.075 \| good	36.667 \| good	0.813 \| good	4.638 \| good	0.165 \| good
2026-03-16T00:00:00.000Z	31 \| good	3.172 \| good	13.348 \| good	34.49 \| good	0.83 \| good	5.702 \| good	0.172 \| good
2026-03-16T01:00:00.000Z	31 \| good	4.252 \| good	18.44 \| good	33.838 \| good	0.818 \| good	5.299 \| good	0.168 \| good
2026-03-16T02:00:00.000Z	31 \| good	3.795 \| good	16.477 \| good	34.15 \| good	0.806 \| good	4.896 \| good	0.163 \| good
2026-03-16T03:00:00.000Z	32 \| good	4.374 \| good	19.189 \| good	35.275 \| good	0.793 \| good	4.493 \| good	0.159 \| good
2026-03-16T04:00:00.000Z	35 \| good	4.785 \| good	20.752 \| good	38.175 \| good	0.725 \| good	3.666 \| good	0.153 \| good
2026-03-16T05:00:00.000Z	35 \| good	4.858 \| good	21.179 \| good	37.96 \| good	0.657 \| good	2.839 \| good	0.147 \| good
2026-03-16T06:00:00.000Z	45 \| good	6.66 \| good	8.948 \| good	49.424 \| good	0.576 \| good	1.985 \| good	0.14 \| good
2026-03-16T07:00:00.000Z	33 \| good	6.296 \| good	27.55 \| good	31.497 \| good	0.551 \| good	1.824 \| good	0.136 \| good
2026-03-16T08:00:00.000Z	44 \| good	7.722 \| good	33.81 \| good	28.307 \| good	0.512 \| good	1.636 \| good	0.131 \| good
2026-03-16T09:00:00.000Z	49 \| good	8.783 \| good	38.976 \| good	27.417 \| good	0.474 \| good	1.448 \| good	0.127 \| good
2026-03-16T10:00:00.000Z	44 \| good	8.014 \| good	35.086 \| good	26.784 \| good	0.474 \| good	1.928 \| good	0.125 \| good

Radnor

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Radnor, Pennsylvania air quality map: Track AQI near you

0.46ppm

How accurate is Pennsylvania, USA air quality data?

Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Radnor, Pennsylvania updated?

The air quality for Radnor, Pennsylvania is updated every hour.

When was the worst air quality at Radnor, Pennsylvania in the last 24 hrs?

The worst air quality in Radnor, Pennsylvania in the last 24 hours was observed at 09:00:00 on 2026-03-14.

When was the best air quality at Radnor, Pennsylvania in the last 24 hrs?

In the last 24 hrs, the best air quality in Radnor, Pennsylvania was observed at 10:00:00 on 2026-03-13.

What is the current air quality in Radnor, Pennsylvania?

The current air quality in Radnor, Pennsylvania is 38, categorized as Good based on real-time data.

What pollutant is the most common in Radnor, Pennsylvania?

The most common pollutant in Radnor, Pennsylvania is PM2.5.

What should I do if the air quality in Radnor, Pennsylvania is poor?

If the air quality in Radnor, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Radnor, Pennsylvania?

The current PM_2.5 concentration at Radnor, Pennsylvania is 6.917 μg/m³.

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

The current PM₁₀ concentration at Radnor, Pennsylvania is 30.837 μg/m³.

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

The current carbon monoxide (CO) concentration at Radnor, Pennsylvania is 0.467 ppm.

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

The current sulfur dioxide (SO₂) concentration at Radnor, Pennsylvania is 0.567 ppb.

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

The current ozone (O₃) concentration at Radnor, Pennsylvania is 9.119 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Radnor, Pennsylvania is 23.672 ppb.

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