What is the current concentration of PM10 in Lower Merion, Pennsylvania?

The current PM10 concentration at Lower Merion, Pennsylvania is 78.377 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Lower Merion, Pennsylvania is 0.621 ppb.

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

The current ozone (O3) concentration at Lower Merion, Pennsylvania is 19.093 ppm.

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

The current nitrogen dioxide (NO2) concentration at Lower Merion, Pennsylvania is 11.65 ppb.

Lower Merion, Pennsylvania live air quality index now

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

The current PM2.5 concentration at Lower Merion, Pennsylvania is 17.723 μg/m3.

Stay updated with real-time air quality in Lower Merion, 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)

Moderate

Lower Merion, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Lower Merion, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

17.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

78.38 μg/m³

155

255

425

605+

Ozone (O₃)

19.09 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Lower Merion, Pennsylvania

Get Live Pollen Counts

Lower Merion, Pennsylvania

Scroll To Air Quality Map

Track live Lower Merion, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T02:00:00.000Z	33 \| good	6.21 \| good	29.899 \| good	11.159 \| good	0.397 \| good	26.976 \| good	0.409 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.314 \| good	27.756 \| good	14.318 \| good	0.415 \| good	24.408 \| good	0.423 \| good
2025-12-06T04:00:00.000Z	38 \| good	6.795 \| good	30.711 \| good	11.584 \| good	0.402 \| good	22.947 \| good	0.423 \| good
2025-12-06T05:00:00.000Z	44 \| good	8.327 \| good	38.034 \| good	12.903 \| good	0.335 \| good	24.963 \| good	0.423 \| good
2025-12-06T06:00:00.000Z	49 \| good	8.718 \| good	48.249 \| good	9.607 \| good	0.335 \| good	27.427 \| good	0.409 \| good
2025-12-06T07:00:00.000Z	54 \| moderate	10.683 \| good	52.225 \| good	9.603 \| good	0.341 \| good	27.66 \| good	0.409 \| good
2025-12-06T08:00:00.000Z	54 \| moderate	11.44 \| good	61.17 \| fine	4.627 \| good	0.376 \| good	29.371 \| good	0.423 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.243 \| fine	76.024 \| fine	9.285 \| good	0.407 \| good	30.974 \| good	0.419 \| good
2025-12-06T10:00:00.000Z	64 \| moderate	16.325 \| fine	53.069 \| good	9.685 \| good	0.373 \| good	29.135 \| good	0.426 \| good
2025-12-06T11:00:00.000Z	71 \| moderate	19.542 \| fine	72.944 \| fine	7.306 \| good	0.373 \| good	26.106 \| good	0.406 \| good
2025-12-06T12:00:00.000Z	69 \| moderate	19.196 \| fine	83.197 \| fine	5.883 \| good	0.38 \| good	24.436 \| good	0.409 \| good
2025-12-06T13:00:00.000Z	69 \| moderate	18.773 \| fine	80.362 \| fine	6.267 \| good	0.447 \| good	23.225 \| good	0.423 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	23.281 \| fine	91.911 \| fine	7.962 \| good	0.602 \| good	23.374 \| good	0.464 \| good
2025-12-06T15:00:00.000Z	82 \| moderate	25.709 \| fine	101.465 \| fine	8.603 \| good	0.717 \| good	22.009 \| good	0.527 \| good
2025-12-06T16:00:00.000Z	81 \| moderate	24.899 \| fine	89.11 \| fine	7.084 \| good	0.849 \| good	21.927 \| good	0.539 \| good
2025-12-06T17:00:00.000Z	73 \| moderate	21.266 \| fine	92.469 \| fine	8.687 \| good	0.738 \| good	17.482 \| good	0.494 \| good
2025-12-06T18:00:00.000Z	73 \| moderate	20.564 \| fine	65.397 \| fine	9.966 \| good	0.808 \| good	16.951 \| good	0.518 \| good
2025-12-06T19:00:00.000Z	73 \| moderate	21.321 \| fine	62.622 \| fine	17.923 \| good	0.659 \| good	15.883 \| good	0.453 \| good
2025-12-06T20:00:00.000Z	69 \| moderate	19.364 \| fine	80.642 \| fine	17.431 \| good	0.585 \| good	11.809 \| good	0.398 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	14.289 \| fine	60.325 \| fine	18.32 \| good	0.405 \| good	11.028 \| good	0.356 \| good
2025-12-06T22:00:00.000Z	62 \| moderate	15.007 \| fine	44.092 \| good	18.902 \| good	0.4 \| good	11.236 \| good	0.36 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	14.971 \| fine	55.63 \| fine	18.975 \| good	0.62 \| good	13.833 \| good	0.336 \| good
2025-12-07T00:00:00.000Z	73 \| moderate	20.808 \| fine	89.598 \| fine	17.085 \| good	0.745 \| good	16.894 \| good	0.356 \| good
2025-12-07T01:00:00.000Z	86 \| moderate	27.666 \| fine	94.789 \| fine	13.729 \| good	0.914 \| good	21.49 \| good	0.381 \| good
2025-12-07T02:00:00.000Z	84 \| moderate	26.831 \| fine	101.21 \| fine	8.986 \| good	1.101 \| good	22.805 \| good	0.449 \| good
2025-12-07T03:00:00.000Z	73 \| moderate	20.814 \| fine	99.363 \| fine	5.114 \| good	1.291 \| good	25.36 \| good	0.645 \| good
2025-12-07T04:00:00.000Z	84 \| moderate	26.842 \| fine	92.284 \| fine	7.928 \| good	1.302 \| good	24.824 \| good	0.666 \| good
2025-12-07T05:00:00.000Z	88 \| moderate	29.093 \| fine	119.42 \| fine	4.302 \| good	1.412 \| good	24.376 \| good	0.711 \| good
2025-12-07T06:00:00.000Z	83 \| moderate	25.715 \| fine	119.447 \| fine	4.718 \| good	1.491 \| good	22 \| good	0.669 \| good
2025-12-07T07:00:00.000Z	82 \| moderate	26.435 \| fine	89.743 \| fine	3.625 \| good	1.408 \| good	22.317 \| good	0.698 \| good
2025-12-07T08:00:00.000Z	82 \| moderate	25.72 \| fine	92.248 \| fine	2.072 \| good	1.248 \| good	22.975 \| good	0.665 \| good
2025-12-07T09:00:00.000Z	82 \| moderate	26.231 \| fine	103.256 \| fine	9.017 \| good	0.963 \| good	21.928 \| good	0.566 \| good
2025-12-07T10:00:00.000Z	81 \| moderate	24.86 \| fine	115.643 \| fine	2.294 \| good	0.814 \| good	22.499 \| good	0.518 \| good
2025-12-07T11:00:00.000Z	75 \| moderate	22.047 \| fine	61.312 \| fine	3.779 \| good	0.89 \| good	23.849 \| good	0.568 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	20.088 \| fine	87.896 \| fine	1.645 \| good	0.889 \| good	24.529 \| good	0.631 \| good
2025-12-07T13:00:00.000Z	75 \| moderate	22.011 \| fine	87.358 \| fine	4.203 \| good	1.052 \| good	24.289 \| good	0.644 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	20.321 \| fine	69.383 \| fine	5.651 \| good	1.15 \| good	25.799 \| good	0.815 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	19.952 \| fine	93.104 \| fine	9.106 \| good	0.987 \| good	24.398 \| good	0.851 \| good
2025-12-07T16:00:00.000Z	71 \| moderate	19.942 \| fine	74.178 \| fine	12.079 \| good	0.651 \| good	12.147 \| good	0.47 \| good
2025-12-07T17:00:00.000Z	60 \| moderate	14.267 \| fine	62.182 \| fine	19.73 \| good	0.286 \| good	4.748 \| good	0.34 \| good
2025-12-07T18:00:00.000Z	64 \| moderate	15.674 \| fine	65.26 \| fine	22.033 \| good	0.382 \| good	5.352 \| good	0.327 \| good
2025-12-07T19:00:00.000Z	62 \| moderate	14.927 \| fine	62.555 \| fine	23.887 \| good	0.455 \| good	7.141 \| good	0.302 \| good
2025-12-07T20:00:00.000Z	62 \| moderate	15.09 \| fine	67.545 \| fine	27.458 \| good	0.531 \| good	8.167 \| good	0.311 \| good
2025-12-07T21:00:00.000Z	64 \| moderate	16.363 \| fine	72.604 \| fine	23.522 \| good	0.551 \| good	8.47 \| good	0.325 \| good
2025-12-07T22:00:00.000Z	66 \| moderate	16.515 \| fine	72.824 \| fine	22.228 \| good	0.503 \| good	9.497 \| good	0.328 \| good
2025-12-07T23:00:00.000Z	64 \| moderate	15.731 \| fine	74.736 \| fine	21.39 \| good	0.547 \| good	11.693 \| good	0.328 \| good
2025-12-08T00:00:00.000Z	64 \| moderate	16.163 \| fine	76.804 \| fine	18.055 \| good	0.58 \| good	13.439 \| good	0.363 \| good
2025-12-08T01:00:00.000Z	67 \| moderate	17.723 \| fine	78.377 \| fine	19.093 \| good	0.621 \| good	11.65 \| good	0.32 \| good
2025-12-08T02:00:00.000Z	77 \| moderate	22.875 \| fine	100.748 \| fine	9.201 \| good	4.434 \| good	23.936 \| good	0.339 \| good
2025-12-08T03:00:00.000Z	79 \| moderate	23.73 \| fine	103.667 \| fine	9.781 \| good	4.654 \| good	24.194 \| good	0.344 \| good
2025-12-08T04:00:00.000Z	77 \| moderate	22.72 \| fine	98.91 \| fine	9.857 \| good	4.794 \| good	21.988 \| good	0.327 \| good
2025-12-08T05:00:00.000Z	67 \| moderate	17.984 \| fine	79.785 \| fine	13.763 \| good	4.933 \| good	19.782 \| good	0.31 \| good
2025-12-08T06:00:00.000Z	58 \| moderate	12.717 \| fine	57.144 \| fine	20.123 \| good	5.072 \| good	17.576 \| good	0.293 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.514 \| good	32.924 \| good	23.379 \| good	4.112 \| good	13.304 \| good	0.258 \| good
2025-12-08T08:00:00.000Z	24 \| good	2.178 \| good	9.084 \| good	25.563 \| good	3.152 \| good	9.031 \| good	0.224 \| good
2025-12-08T09:00:00.000Z	27 \| good	0.849 \| good	3.436 \| good	28.693 \| good	2.191 \| good	4.759 \| good	0.189 \| good
2025-12-08T10:00:00.000Z	25 \| good	0.907 \| good	3.559 \| good	27.065 \| good	1.757 \| good	4.83 \| good	0.182 \| good
2025-12-08T11:00:00.000Z	23 \| good	2.196 \| good	9.09 \| good	25.122 \| good	1.322 \| good	4.902 \| good	0.175 \| good
2025-12-08T12:00:00.000Z	23 \| good	2.714 \| good	10.857 \| good	25.475 \| good	0.888 \| good	4.973 \| good	0.167 \| good
2025-12-08T13:00:00.000Z	27 \| good	2.495 \| good	9.945 \| good	29.353 \| good	0.865 \| good	4.391 \| good	0.166 \| good
2025-12-08T14:00:00.000Z	28 \| good	3.35 \| good	14.265 \| good	29.56 \| good	0.841 \| good	3.808 \| good	0.165 \| good
2025-12-08T15:00:00.000Z	27 \| good	2.642 \| good	10.794 \| good	28.526 \| good	0.818 \| good	3.226 \| good	0.164 \| good
2025-12-08T16:00:00.000Z	27 \| good	2.399 \| good	9.623 \| good	28.578 \| good	0.854 \| good	3.159 \| good	0.161 \| good
2025-12-08T17:00:00.000Z	27 \| good	1.731 \| good	7.149 \| good	28.696 \| good	0.891 \| good	3.092 \| good	0.157 \| good
2025-12-08T18:00:00.000Z	27 \| good	1.335 \| good	5.407 \| good	28.649 \| good	0.927 \| good	3.025 \| good	0.153 \| good
2025-12-08T19:00:00.000Z	26 \| good	1.156 \| good	4.559 \| good	28.141 \| good	0.983 \| good	3.859 \| good	0.155 \| good
2025-12-08T20:00:00.000Z	27 \| good	0.686 \| good	2.788 \| good	28.592 \| good	1.039 \| good	4.693 \| good	0.157 \| good
2025-12-08T21:00:00.000Z	23 \| good	1.312 \| good	5.405 \| good	24.728 \| good	1.094 \| good	5.527 \| good	0.159 \| good
2025-12-08T22:00:00.000Z	16 \| good	3.299 \| good	14.114 \| good	17.394 \| good	1.229 \| good	8.114 \| good	0.178 \| good
2025-12-08T23:00:00.000Z	22 \| good	4.405 \| good	19.067 \| good	12.106 \| good	1.364 \| good	10.701 \| good	0.197 \| good
2025-12-09T00:00:00.000Z	16 \| good	3.01 \| good	12.916 \| good	13.814 \| good	1.499 \| good	13.288 \| good	0.216 \| good
2025-12-09T01:00:00.000Z	15 \| good	2.408 \| good	9.509 \| good	16.348 \| good	1.489 \| good	12.949 \| good	0.213 \| good
2025-12-09T02:00:00.000Z	16 \| good	2.412 \| good	9.781 \| good	16.583 \| good	1.48 \| good	12.61 \| good	0.211 \| good
2025-12-09T03:00:00.000Z	16 \| good	3.291 \| good	14.121 \| good	14.029 \| good	1.47 \| good	12.271 \| good	0.209 \| good
2025-12-09T04:00:00.000Z	33 \| good	5.686 \| good	24.545 \| good	11.931 \| good	1.362 \| good	10.742 \| good	0.2 \| good
2025-12-09T05:00:00.000Z	33 \| good	6.125 \| good	27.315 \| good	10.999 \| good	1.254 \| good	9.212 \| good	0.192 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.641 \| good	29.241 \| good	10.425 \| good	1.146 \| good	7.683 \| good	0.183 \| good
2025-12-09T07:00:00.000Z	33 \| good	6.126 \| good	27.14 \| good	9.573 \| good	1.207 \| good	7.776 \| good	0.183 \| good
2025-12-09T08:00:00.000Z	33 \| good	6.037 \| good	26.412 \| good	7.702 \| good	1.268 \| good	7.869 \| good	0.182 \| good
2025-12-09T09:00:00.000Z	38 \| good	6.695 \| good	29.648 \| good	5.02 \| good	1.33 \| good	7.962 \| good	0.182 \| good
2025-12-09T10:00:00.000Z	38 \| good	7.448 \| good	32.998 \| good	4.551 \| good	1.589 \| good	10.65 \| good	0.2 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	9.866 \| good	44.041 \| good	2.556 \| good	1.848 \| good	13.339 \| good	0.218 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.451 \| good	50.665 \| good	1.452 \| good	2.107 \| good	16.028 \| good	0.236 \| good
2025-12-09T13:00:00.000Z	58 \| moderate	13.297 \| fine	59.72 \| fine	5.778 \| good	2.421 \| good	15.432 \| good	0.235 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	14.046 \| fine	62.715 \| fine	8.513 \| good	2.734 \| good	14.837 \| good	0.234 \| good
2025-12-09T15:00:00.000Z	58 \| moderate	12.549 \| fine	56.578 \| fine	12.394 \| good	3.048 \| good	14.242 \| good	0.233 \| good
2025-12-09T16:00:00.000Z	52 \| moderate	10.115 \| good	45.139 \| good	16.624 \| good	2.894 \| good	12.325 \| good	0.216 \| good
2025-12-09T17:00:00.000Z	38 \| good	7.223 \| good	31.786 \| good	19.519 \| good	2.74 \| good	10.409 \| good	0.199 \| good
2025-12-09T18:00:00.000Z	33 \| good	6.163 \| good	27.212 \| good	22.253 \| good	2.586 \| good	8.493 \| good	0.182 \| good
2025-12-09T19:00:00.000Z	33 \| good	6.232 \| good	27.691 \| good	22.366 \| good	2.428 \| good	8.779 \| good	0.18 \| good
2025-12-09T20:00:00.000Z	33 \| good	6.261 \| good	27.85 \| good	21.201 \| good	2.271 \| good	9.066 \| good	0.179 \| good
2025-12-09T21:00:00.000Z	38 \| good	6.861 \| good	30.306 \| good	19.548 \| good	2.113 \| good	9.352 \| good	0.178 \| good
2025-12-09T22:00:00.000Z	38 \| good	7.424 \| good	32.875 \| good	19.321 \| good	2.044 \| good	10.13 \| good	0.184 \| good
2025-12-09T23:00:00.000Z	38 \| good	7.446 \| good	32.85 \| good	20.497 \| good	1.975 \| good	10.907 \| good	0.191 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	10.08 \| good	11.732 \| good	21.873 \| good	1.916 \| good	11.863 \| good	0.199 \| good
2025-12-10T01:00:00.000Z	22 \| good	4.321 \| good	18.848 \| good	23.402 \| good	1.942 \| good	10.502 \| good	0.193 \| good

Lower Merion

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Lower Merion, Pennsylvania air quality map: Track AQI near you

0.31ppm

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 Lower Merion, Pennsylvania updated?

The air quality for Lower Merion, Pennsylvania is updated every hour.

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

The worst air quality in Lower Merion, Pennsylvania in the last 24 hours was observed at 05:00:00 on 2025-12-07.

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

In the last 24 hrs, the best air quality in Lower Merion, Pennsylvania was observed at 05:00:00 on 2025-12-07.

What is the current air quality in Lower Merion, Pennsylvania?

The current air quality in Lower Merion, Pennsylvania is 67, categorized as Moderate based on real-time data.

What pollutant is the most common in Lower Merion, Pennsylvania?

The most common pollutant in Lower Merion, Pennsylvania is PM2.5.

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

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

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

The current PM_2.5 concentration at Lower Merion, Pennsylvania is 17.723 μg/m³.

What is the current concentration of PM₁₀ in Lower Merion, Pennsylvania?

The current PM₁₀ concentration at Lower Merion, Pennsylvania is 78.377 μg/m³.

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

The current carbon monoxide (CO) concentration at Lower Merion, Pennsylvania is 0.32 ppm.

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

The current sulfur dioxide (SO₂) concentration at Lower Merion, Pennsylvania is 0.621 ppb.

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

The current ozone (O₃) concentration at Lower Merion, Pennsylvania is 19.093 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Lower Merion, Pennsylvania is 11.65 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T02:00:00.000Z	33 \| good	6.21 \| good	29.899 \| good	11.159 \| good	0.397 \| good	26.976 \| good	0.409 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.314 \| good	27.756 \| good	14.318 \| good	0.415 \| good	24.408 \| good	0.423 \| good
2025-12-06T04:00:00.000Z	38 \| good	6.795 \| good	30.711 \| good	11.584 \| good	0.402 \| good	22.947 \| good	0.423 \| good
2025-12-06T05:00:00.000Z	44 \| good	8.327 \| good	38.034 \| good	12.903 \| good	0.335 \| good	24.963 \| good	0.423 \| good
2025-12-06T06:00:00.000Z	49 \| good	8.718 \| good	48.249 \| good	9.607 \| good	0.335 \| good	27.427 \| good	0.409 \| good
2025-12-06T07:00:00.000Z	54 \| moderate	10.683 \| good	52.225 \| good	9.603 \| good	0.341 \| good	27.66 \| good	0.409 \| good
2025-12-06T08:00:00.000Z	54 \| moderate	11.44 \| good	61.17 \| fine	4.627 \| good	0.376 \| good	29.371 \| good	0.423 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.243 \| fine	76.024 \| fine	9.285 \| good	0.407 \| good	30.974 \| good	0.419 \| good
2025-12-06T10:00:00.000Z	64 \| moderate	16.325 \| fine	53.069 \| good	9.685 \| good	0.373 \| good	29.135 \| good	0.426 \| good
2025-12-06T11:00:00.000Z	71 \| moderate	19.542 \| fine	72.944 \| fine	7.306 \| good	0.373 \| good	26.106 \| good	0.406 \| good
2025-12-06T12:00:00.000Z	69 \| moderate	19.196 \| fine	83.197 \| fine	5.883 \| good	0.38 \| good	24.436 \| good	0.409 \| good
2025-12-06T13:00:00.000Z	69 \| moderate	18.773 \| fine	80.362 \| fine	6.267 \| good	0.447 \| good	23.225 \| good	0.423 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	23.281 \| fine	91.911 \| fine	7.962 \| good	0.602 \| good	23.374 \| good	0.464 \| good
2025-12-06T15:00:00.000Z	82 \| moderate	25.709 \| fine	101.465 \| fine	8.603 \| good	0.717 \| good	22.009 \| good	0.527 \| good
2025-12-06T16:00:00.000Z	81 \| moderate	24.899 \| fine	89.11 \| fine	7.084 \| good	0.849 \| good	21.927 \| good	0.539 \| good
2025-12-06T17:00:00.000Z	73 \| moderate	21.266 \| fine	92.469 \| fine	8.687 \| good	0.738 \| good	17.482 \| good	0.494 \| good
2025-12-06T18:00:00.000Z	73 \| moderate	20.564 \| fine	65.397 \| fine	9.966 \| good	0.808 \| good	16.951 \| good	0.518 \| good
2025-12-06T19:00:00.000Z	73 \| moderate	21.321 \| fine	62.622 \| fine	17.923 \| good	0.659 \| good	15.883 \| good	0.453 \| good
2025-12-06T20:00:00.000Z	69 \| moderate	19.364 \| fine	80.642 \| fine	17.431 \| good	0.585 \| good	11.809 \| good	0.398 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	14.289 \| fine	60.325 \| fine	18.32 \| good	0.405 \| good	11.028 \| good	0.356 \| good
2025-12-06T22:00:00.000Z	62 \| moderate	15.007 \| fine	44.092 \| good	18.902 \| good	0.4 \| good	11.236 \| good	0.36 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	14.971 \| fine	55.63 \| fine	18.975 \| good	0.62 \| good	13.833 \| good	0.336 \| good
2025-12-07T00:00:00.000Z	73 \| moderate	20.808 \| fine	89.598 \| fine	17.085 \| good	0.745 \| good	16.894 \| good	0.356 \| good
2025-12-07T01:00:00.000Z	86 \| moderate	27.666 \| fine	94.789 \| fine	13.729 \| good	0.914 \| good	21.49 \| good	0.381 \| good
2025-12-07T02:00:00.000Z	84 \| moderate	26.831 \| fine	101.21 \| fine	8.986 \| good	1.101 \| good	22.805 \| good	0.449 \| good
2025-12-07T03:00:00.000Z	73 \| moderate	20.814 \| fine	99.363 \| fine	5.114 \| good	1.291 \| good	25.36 \| good	0.645 \| good
2025-12-07T04:00:00.000Z	84 \| moderate	26.842 \| fine	92.284 \| fine	7.928 \| good	1.302 \| good	24.824 \| good	0.666 \| good
2025-12-07T05:00:00.000Z	88 \| moderate	29.093 \| fine	119.42 \| fine	4.302 \| good	1.412 \| good	24.376 \| good	0.711 \| good
2025-12-07T06:00:00.000Z	83 \| moderate	25.715 \| fine	119.447 \| fine	4.718 \| good	1.491 \| good	22 \| good	0.669 \| good
2025-12-07T07:00:00.000Z	82 \| moderate	26.435 \| fine	89.743 \| fine	3.625 \| good	1.408 \| good	22.317 \| good	0.698 \| good
2025-12-07T08:00:00.000Z	82 \| moderate	25.72 \| fine	92.248 \| fine	2.072 \| good	1.248 \| good	22.975 \| good	0.665 \| good
2025-12-07T09:00:00.000Z	82 \| moderate	26.231 \| fine	103.256 \| fine	9.017 \| good	0.963 \| good	21.928 \| good	0.566 \| good
2025-12-07T10:00:00.000Z	81 \| moderate	24.86 \| fine	115.643 \| fine	2.294 \| good	0.814 \| good	22.499 \| good	0.518 \| good
2025-12-07T11:00:00.000Z	75 \| moderate	22.047 \| fine	61.312 \| fine	3.779 \| good	0.89 \| good	23.849 \| good	0.568 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	20.088 \| fine	87.896 \| fine	1.645 \| good	0.889 \| good	24.529 \| good	0.631 \| good
2025-12-07T13:00:00.000Z	75 \| moderate	22.011 \| fine	87.358 \| fine	4.203 \| good	1.052 \| good	24.289 \| good	0.644 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	20.321 \| fine	69.383 \| fine	5.651 \| good	1.15 \| good	25.799 \| good	0.815 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	19.952 \| fine	93.104 \| fine	9.106 \| good	0.987 \| good	24.398 \| good	0.851 \| good
2025-12-07T16:00:00.000Z	71 \| moderate	19.942 \| fine	74.178 \| fine	12.079 \| good	0.651 \| good	12.147 \| good	0.47 \| good
2025-12-07T17:00:00.000Z	60 \| moderate	14.267 \| fine	62.182 \| fine	19.73 \| good	0.286 \| good	4.748 \| good	0.34 \| good
2025-12-07T18:00:00.000Z	64 \| moderate	15.674 \| fine	65.26 \| fine	22.033 \| good	0.382 \| good	5.352 \| good	0.327 \| good
2025-12-07T19:00:00.000Z	62 \| moderate	14.927 \| fine	62.555 \| fine	23.887 \| good	0.455 \| good	7.141 \| good	0.302 \| good
2025-12-07T20:00:00.000Z	62 \| moderate	15.09 \| fine	67.545 \| fine	27.458 \| good	0.531 \| good	8.167 \| good	0.311 \| good
2025-12-07T21:00:00.000Z	64 \| moderate	16.363 \| fine	72.604 \| fine	23.522 \| good	0.551 \| good	8.47 \| good	0.325 \| good
2025-12-07T22:00:00.000Z	66 \| moderate	16.515 \| fine	72.824 \| fine	22.228 \| good	0.503 \| good	9.497 \| good	0.328 \| good
2025-12-07T23:00:00.000Z	64 \| moderate	15.731 \| fine	74.736 \| fine	21.39 \| good	0.547 \| good	11.693 \| good	0.328 \| good
2025-12-08T00:00:00.000Z	64 \| moderate	16.163 \| fine	76.804 \| fine	18.055 \| good	0.58 \| good	13.439 \| good	0.363 \| good
2025-12-08T01:00:00.000Z	67 \| moderate	17.723 \| fine	78.377 \| fine	19.093 \| good	0.621 \| good	11.65 \| good	0.32 \| good
2025-12-08T02:00:00.000Z	77 \| moderate	22.875 \| fine	100.748 \| fine	9.201 \| good	4.434 \| good	23.936 \| good	0.339 \| good
2025-12-08T03:00:00.000Z	79 \| moderate	23.73 \| fine	103.667 \| fine	9.781 \| good	4.654 \| good	24.194 \| good	0.344 \| good
2025-12-08T04:00:00.000Z	77 \| moderate	22.72 \| fine	98.91 \| fine	9.857 \| good	4.794 \| good	21.988 \| good	0.327 \| good
2025-12-08T05:00:00.000Z	67 \| moderate	17.984 \| fine	79.785 \| fine	13.763 \| good	4.933 \| good	19.782 \| good	0.31 \| good
2025-12-08T06:00:00.000Z	58 \| moderate	12.717 \| fine	57.144 \| fine	20.123 \| good	5.072 \| good	17.576 \| good	0.293 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.514 \| good	32.924 \| good	23.379 \| good	4.112 \| good	13.304 \| good	0.258 \| good
2025-12-08T08:00:00.000Z	24 \| good	2.178 \| good	9.084 \| good	25.563 \| good	3.152 \| good	9.031 \| good	0.224 \| good
2025-12-08T09:00:00.000Z	27 \| good	0.849 \| good	3.436 \| good	28.693 \| good	2.191 \| good	4.759 \| good	0.189 \| good
2025-12-08T10:00:00.000Z	25 \| good	0.907 \| good	3.559 \| good	27.065 \| good	1.757 \| good	4.83 \| good	0.182 \| good
2025-12-08T11:00:00.000Z	23 \| good	2.196 \| good	9.09 \| good	25.122 \| good	1.322 \| good	4.902 \| good	0.175 \| good
2025-12-08T12:00:00.000Z	23 \| good	2.714 \| good	10.857 \| good	25.475 \| good	0.888 \| good	4.973 \| good	0.167 \| good
2025-12-08T13:00:00.000Z	27 \| good	2.495 \| good	9.945 \| good	29.353 \| good	0.865 \| good	4.391 \| good	0.166 \| good
2025-12-08T14:00:00.000Z	28 \| good	3.35 \| good	14.265 \| good	29.56 \| good	0.841 \| good	3.808 \| good	0.165 \| good
2025-12-08T15:00:00.000Z	27 \| good	2.642 \| good	10.794 \| good	28.526 \| good	0.818 \| good	3.226 \| good	0.164 \| good
2025-12-08T16:00:00.000Z	27 \| good	2.399 \| good	9.623 \| good	28.578 \| good	0.854 \| good	3.159 \| good	0.161 \| good
2025-12-08T17:00:00.000Z	27 \| good	1.731 \| good	7.149 \| good	28.696 \| good	0.891 \| good	3.092 \| good	0.157 \| good
2025-12-08T18:00:00.000Z	27 \| good	1.335 \| good	5.407 \| good	28.649 \| good	0.927 \| good	3.025 \| good	0.153 \| good
2025-12-08T19:00:00.000Z	26 \| good	1.156 \| good	4.559 \| good	28.141 \| good	0.983 \| good	3.859 \| good	0.155 \| good
2025-12-08T20:00:00.000Z	27 \| good	0.686 \| good	2.788 \| good	28.592 \| good	1.039 \| good	4.693 \| good	0.157 \| good
2025-12-08T21:00:00.000Z	23 \| good	1.312 \| good	5.405 \| good	24.728 \| good	1.094 \| good	5.527 \| good	0.159 \| good
2025-12-08T22:00:00.000Z	16 \| good	3.299 \| good	14.114 \| good	17.394 \| good	1.229 \| good	8.114 \| good	0.178 \| good
2025-12-08T23:00:00.000Z	22 \| good	4.405 \| good	19.067 \| good	12.106 \| good	1.364 \| good	10.701 \| good	0.197 \| good
2025-12-09T00:00:00.000Z	16 \| good	3.01 \| good	12.916 \| good	13.814 \| good	1.499 \| good	13.288 \| good	0.216 \| good
2025-12-09T01:00:00.000Z	15 \| good	2.408 \| good	9.509 \| good	16.348 \| good	1.489 \| good	12.949 \| good	0.213 \| good
2025-12-09T02:00:00.000Z	16 \| good	2.412 \| good	9.781 \| good	16.583 \| good	1.48 \| good	12.61 \| good	0.211 \| good
2025-12-09T03:00:00.000Z	16 \| good	3.291 \| good	14.121 \| good	14.029 \| good	1.47 \| good	12.271 \| good	0.209 \| good
2025-12-09T04:00:00.000Z	33 \| good	5.686 \| good	24.545 \| good	11.931 \| good	1.362 \| good	10.742 \| good	0.2 \| good
2025-12-09T05:00:00.000Z	33 \| good	6.125 \| good	27.315 \| good	10.999 \| good	1.254 \| good	9.212 \| good	0.192 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.641 \| good	29.241 \| good	10.425 \| good	1.146 \| good	7.683 \| good	0.183 \| good
2025-12-09T07:00:00.000Z	33 \| good	6.126 \| good	27.14 \| good	9.573 \| good	1.207 \| good	7.776 \| good	0.183 \| good
2025-12-09T08:00:00.000Z	33 \| good	6.037 \| good	26.412 \| good	7.702 \| good	1.268 \| good	7.869 \| good	0.182 \| good
2025-12-09T09:00:00.000Z	38 \| good	6.695 \| good	29.648 \| good	5.02 \| good	1.33 \| good	7.962 \| good	0.182 \| good
2025-12-09T10:00:00.000Z	38 \| good	7.448 \| good	32.998 \| good	4.551 \| good	1.589 \| good	10.65 \| good	0.2 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	9.866 \| good	44.041 \| good	2.556 \| good	1.848 \| good	13.339 \| good	0.218 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.451 \| good	50.665 \| good	1.452 \| good	2.107 \| good	16.028 \| good	0.236 \| good
2025-12-09T13:00:00.000Z	58 \| moderate	13.297 \| fine	59.72 \| fine	5.778 \| good	2.421 \| good	15.432 \| good	0.235 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	14.046 \| fine	62.715 \| fine	8.513 \| good	2.734 \| good	14.837 \| good	0.234 \| good
2025-12-09T15:00:00.000Z	58 \| moderate	12.549 \| fine	56.578 \| fine	12.394 \| good	3.048 \| good	14.242 \| good	0.233 \| good
2025-12-09T16:00:00.000Z	52 \| moderate	10.115 \| good	45.139 \| good	16.624 \| good	2.894 \| good	12.325 \| good	0.216 \| good
2025-12-09T17:00:00.000Z	38 \| good	7.223 \| good	31.786 \| good	19.519 \| good	2.74 \| good	10.409 \| good	0.199 \| good
2025-12-09T18:00:00.000Z	33 \| good	6.163 \| good	27.212 \| good	22.253 \| good	2.586 \| good	8.493 \| good	0.182 \| good
2025-12-09T19:00:00.000Z	33 \| good	6.232 \| good	27.691 \| good	22.366 \| good	2.428 \| good	8.779 \| good	0.18 \| good
2025-12-09T20:00:00.000Z	33 \| good	6.261 \| good	27.85 \| good	21.201 \| good	2.271 \| good	9.066 \| good	0.179 \| good
2025-12-09T21:00:00.000Z	38 \| good	6.861 \| good	30.306 \| good	19.548 \| good	2.113 \| good	9.352 \| good	0.178 \| good
2025-12-09T22:00:00.000Z	38 \| good	7.424 \| good	32.875 \| good	19.321 \| good	2.044 \| good	10.13 \| good	0.184 \| good
2025-12-09T23:00:00.000Z	38 \| good	7.446 \| good	32.85 \| good	20.497 \| good	1.975 \| good	10.907 \| good	0.191 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	10.08 \| good	11.732 \| good	21.873 \| good	1.916 \| good	11.863 \| good	0.199 \| good
2025-12-10T01:00:00.000Z	22 \| good	4.321 \| good	18.848 \| good	23.402 \| good	1.942 \| good	10.502 \| good	0.193 \| good

Lower Merion, Pennsylvania live air quality index now

Major air pollutants in Lower Merion, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Lower Merion, Pennsylvania air quality map: Track AQI near you

Air quality in nearby cities

Haverford, Pennsylvania

Radnor, Pennsylvania

Upper Darby, Pennsylvania

Marple, Pennsylvania

Plymouth Township, Pennsylvania

Lansdowne, Pennsylvania

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Frequently asked questions

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What is the current concentration of PM2.5 in Lower Merion, Pennsylvania?

What is the current concentration of PM10 in Lower Merion, Pennsylvania?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What is the current concentration of PM₁₀ in Lower Merion, Pennsylvania?

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

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

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