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

The current PM10 concentration at Lower Merion, Pennsylvania is 28.622 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 0.646 ppb.

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

The current ozone (O3) concentration at Lower Merion, Pennsylvania is 39.471 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 13.019 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 6.453 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)

Good

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)

6.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.62 μg/m³

155

255

425

605+

Ozone (O₃)

39.47 ppb

201

201+

Sulfur Dioxide (SO₂)

0.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.02 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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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
2026-03-07T21:00:00.000Z	54 \| moderate	11.23 \| good	50.034 \| good	23.716 \| good	0.456 \| good	14.333 \| good	0.506 \| good
2026-03-07T22:00:00.000Z	54 \| moderate	11.032 \| good	49.012 \| good	21.461 \| good	0.538 \| good	11.229 \| good	0.425 \| good
2026-03-07T23:00:00.000Z	54 \| moderate	11.265 \| good	50.917 \| good	18.164 \| good	0.689 \| good	11.898 \| good	0.491 \| good
2026-03-08T00:00:00.000Z	56 \| moderate	11.915 \| good	53.508 \| good	15.745 \| good	0.684 \| good	13.234 \| good	0.447 \| good
2026-03-08T01:00:00.000Z	60 \| moderate	14.03 \| fine	62.881 \| fine	16.01 \| good	0.421 \| good	13.991 \| good	0.447 \| good
2026-03-08T02:00:00.000Z	67 \| moderate	18.138 \| fine	80.06 \| fine	15.099 \| good	0.485 \| good	16.005 \| good	0.493 \| good
2026-03-08T03:00:00.000Z	52 \| moderate	10.2 \| good	44.994 \| good	18.804 \| good	1.113 \| good	8.07 \| good	0.177 \| good
2026-03-08T04:00:00.000Z	75 \| moderate	21.503 \| fine	94.663 \| fine	14.898 \| good	0.628 \| good	17.271 \| good	0.406 \| good
2026-03-08T05:00:00.000Z	75 \| moderate	21.552 \| fine	94.358 \| fine	10.472 \| good	0.497 \| good	12.448 \| good	0.419 \| good
2026-03-08T06:00:00.000Z	75 \| moderate	22.291 \| fine	97.575 \| fine	8.514 \| good	0.541 \| good	14.539 \| good	0.52 \| good
2026-03-08T07:00:00.000Z	81 \| moderate	24.663 \| fine	107.81 \| fine	6.591 \| good	0.522 \| good	14.955 \| good	0.589 \| good
2026-03-08T08:00:00.000Z	84 \| moderate	27.057 \| fine	118.056 \| fine	5.519 \| good	0.503 \| good	16.754 \| good	0.465 \| good
2026-03-08T09:00:00.000Z	84 \| moderate	26.612 \| fine	116.319 \| fine	3.221 \| good	0.595 \| good	18.409 \| good	0.495 \| good
2026-03-08T10:00:00.000Z	81 \| moderate	25.134 \| fine	110.065 \| fine	6.196 \| good	0.53 \| good	15.586 \| good	0.441 \| good
2026-03-08T11:00:00.000Z	77 \| moderate	22.756 \| fine	100.026 \| fine	6.895 \| good	0.63 \| good	12.769 \| good	0.417 \| good
2026-03-08T12:00:00.000Z	73 \| moderate	21.163 \| fine	92.936 \| fine	7.304 \| good	0.709 \| good	12.672 \| good	0.475 \| good
2026-03-08T13:00:00.000Z	71 \| moderate	19.585 \| fine	86.482 \| fine	7.737 \| good	0.864 \| good	15.283 \| good	0.575 \| good
2026-03-08T14:00:00.000Z	69 \| moderate	19.416 \| fine	85.747 \| fine	5.156 \| good	0.942 \| good	15.393 \| good	0.575 \| good
2026-03-08T15:00:00.000Z	69 \| moderate	18.977 \| fine	83.646 \| fine	5.696 \| good	0.987 \| good	14.497 \| good	0.517 \| good
2026-03-08T16:00:00.000Z	69 \| moderate	18.557 \| fine	82.384 \| fine	12.92 \| good	1.067 \| good	13.487 \| good	0.517 \| good
2026-03-08T17:00:00.000Z	67 \| moderate	18.434 \| fine	81.744 \| fine	15.081 \| good	1.115 \| good	12.681 \| good	0.508 \| good
2026-03-08T18:00:00.000Z	66 \| moderate	17.046 \| fine	75.781 \| fine	15.277 \| good	1.101 \| good	12.599 \| good	0.491 \| good
2026-03-08T19:00:00.000Z	62 \| moderate	14.643 \| fine	65.166 \| fine	19.991 \| good	1.113 \| good	12.332 \| good	0.469 \| good
2026-03-08T20:00:00.000Z	54 \| moderate	10.767 \| good	48.058 \| good	25.684 \| good	1.055 \| good	6.078 \| good	0.375 \| good
2026-03-08T21:00:00.000Z	44 \| good	8.346 \| good	37.174 \| good	27.318 \| good	0.851 \| good	6.044 \| good	0.399 \| good
2026-03-08T22:00:00.000Z	38 \| good	7.481 \| good	32.835 \| good	27.809 \| good	0.872 \| good	5.433 \| good	0.449 \| good
2026-03-08T23:00:00.000Z	38 \| good	7.335 \| good	32.215 \| good	28.5 \| good	0.798 \| good	7.596 \| good	0.481 \| good
2026-03-09T00:00:00.000Z	44 \| good	7.552 \| good	33.387 \| good	27.138 \| good	0.818 \| good	8.753 \| good	0.497 \| good
2026-03-09T01:00:00.000Z	44 \| good	8.184 \| good	36.766 \| good	22.412 \| good	0.849 \| good	11.92 \| good	0.577 \| good
2026-03-09T02:00:00.000Z	52 \| moderate	10.25 \| good	46.014 \| good	19.82 \| good	0.808 \| good	17.468 \| good	0.683 \| good
2026-03-09T03:00:00.000Z	23 \| good	4.166 \| good	18.22 \| good	24.705 \| good	3.041 \| good	23.662 \| good	0.394 \| good
2026-03-09T04:00:00.000Z	58 \| moderate	12.754 \| fine	56.869 \| fine	9.262 \| good	1.299 \| good	20.254 \| good	0.913 \| good
2026-03-09T05:00:00.000Z	56 \| moderate	12.189 \| fine	54.799 \| good	11.005 \| good	1.226 \| good	17.506 \| good	0.684 \| good
2026-03-09T06:00:00.000Z	56 \| moderate	12.284 \| fine	55.194 \| fine	9.759 \| good	1.256 \| good	17.889 \| good	0.66 \| good
2026-03-09T07:00:00.000Z	58 \| moderate	12.98 \| fine	58.301 \| fine	8.682 \| good	1.291 \| good	21.31 \| good	0.745 \| good
2026-03-09T08:00:00.000Z	60 \| moderate	13.788 \| fine	61.817 \| fine	5.348 \| good	1.339 \| good	18.884 \| good	0.723 \| good
2026-03-09T09:00:00.000Z	60 \| moderate	14.24 \| fine	63.845 \| fine	6.197 \| good	1.411 \| good	18.773 \| good	0.668 \| good
2026-03-09T10:00:00.000Z	62 \| moderate	14.541 \| fine	65.337 \| fine	4.281 \| good	1.514 \| good	18.446 \| good	0.724 \| good
2026-03-09T11:00:00.000Z	62 \| moderate	14.536 \| fine	65.408 \| fine	3.849 \| good	2.004 \| good	24.855 \| good	0.739 \| good
2026-03-09T12:00:00.000Z	60 \| moderate	14.488 \| fine	64.712 \| fine	3.215 \| good	3.376 \| good	27.343 \| good	0.915 \| good
2026-03-09T13:00:00.000Z	62 \| moderate	14.815 \| fine	66.465 \| fine	3.475 \| good	2.459 \| good	26.276 \| good	1.074 \| good
2026-03-09T14:00:00.000Z	64 \| moderate	16.123 \| fine	71.991 \| fine	3.84 \| good	2.3 \| good	29.571 \| good	1.204 \| good
2026-03-09T15:00:00.000Z	64 \| moderate	16.497 \| fine	72.995 \| fine	8.065 \| good	1.801 \| good	29.565 \| good	0.864 \| good
2026-03-09T16:00:00.000Z	60 \| moderate	13.999 \| fine	62.185 \| fine	18.384 \| good	1.623 \| good	23.269 \| good	0.534 \| good
2026-03-09T17:00:00.000Z	54 \| moderate	11.331 \| good	50.542 \| good	25.788 \| good	2.101 \| good	18.451 \| good	0.433 \| good
2026-03-09T18:00:00.000Z	44 \| good	7.991 \| good	35.774 \| good	28.283 \| good	1.08 \| good	12.015 \| good	0.375 \| good
2026-03-09T19:00:00.000Z	38 \| good	6.599 \| good	29.422 \| good	34.196 \| good	0.587 \| good	13.495 \| good	0.421 \| good
2026-03-09T20:00:00.000Z	35 \| good	5.833 \| good	25.801 \| good	37.888 \| good	0.626 \| good	11.128 \| good	0.421 \| good
2026-03-09T20:00:00.000Z	36 \| good	6.453 \| good	28.622 \| good	39.471 \| good	0.646 \| good	13.019 \| good	0.473 \| good
2026-03-09T21:00:00.000Z	41 \| good	4.65 \| good	20.208 \| good	44.283 \| good	3.206 \| good	4.366 \| good	0.171 \| good
2026-03-09T22:00:00.000Z	34 \| good	5.091 \| good	21.991 \| good	37.389 \| good	3.186 \| good	9.062 \| good	0.204 \| good
2026-03-09T23:00:00.000Z	44 \| good	8.112 \| good	35.551 \| good	23.37 \| good	3.167 \| good	13.758 \| good	0.237 \| good
2026-03-10T00:00:00.000Z	49 \| good	9.045 \| good	39.87 \| good	21.688 \| good	3.147 \| good	18.453 \| good	0.271 \| good
2026-03-10T01:00:00.000Z	52 \| moderate	9.775 \| good	43.188 \| good	20.153 \| good	3.019 \| good	18.253 \| good	0.27 \| good
2026-03-10T02:00:00.000Z	44 \| good	8.381 \| good	36.572 \| good	22.092 \| good	2.891 \| good	18.053 \| good	0.27 \| good
2026-03-10T03:00:00.000Z	49 \| good	9.371 \| good	41.752 \| good	23.517 \| good	2.763 \| good	17.853 \| good	0.269 \| good
2026-03-10T04:00:00.000Z	49 \| good	8.679 \| good	38.389 \| good	27.342 \| good	2.453 \| good	15.356 \| good	0.257 \| good
2026-03-10T05:00:00.000Z	49 \| good	9.144 \| good	40.523 \| good	27.696 \| good	2.144 \| good	12.86 \| good	0.244 \| good
2026-03-10T06:00:00.000Z	52 \| moderate	10.255 \| good	45.368 \| good	26.006 \| good	1.834 \| good	10.364 \| good	0.231 \| good
2026-03-10T07:00:00.000Z	60 \| moderate	13.738 \| fine	62.156 \| fine	14.798 \| good	1.738 \| good	9.557 \| good	0.229 \| good
2026-03-10T08:00:00.000Z	60 \| moderate	13.638 \| fine	61.047 \| fine	12.125 \| good	1.643 \| good	8.75 \| good	0.227 \| good
2026-03-10T09:00:00.000Z	58 \| moderate	13.162 \| fine	59.91 \| fine	7.746 \| good	1.547 \| good	7.943 \| good	0.226 \| good
2026-03-10T10:00:00.000Z	56 \| moderate	12.397 \| fine	55.441 \| fine	8.299 \| good	1.731 \| good	10.666 \| good	0.259 \| good
2026-03-10T11:00:00.000Z	58 \| moderate	13.35 \| fine	59.903 \| fine	7.352 \| good	1.914 \| good	13.389 \| good	0.293 \| good
2026-03-10T12:00:00.000Z	58 \| moderate	13.2 \| fine	59.602 \| fine	10.304 \| good	2.098 \| good	16.113 \| good	0.326 \| good
2026-03-10T13:00:00.000Z	62 \| moderate	14.58 \| fine	65.021 \| fine	12.32 \| good	2.305 \| good	14.347 \| good	0.32 \| good
2026-03-10T14:00:00.000Z	64 \| moderate	15.712 \| fine	70.051 \| fine	18.445 \| good	2.513 \| good	12.582 \| good	0.314 \| good
2026-03-10T15:00:00.000Z	58 \| moderate	12.695 \| fine	56.89 \| fine	31.687 \| good	2.72 \| good	10.817 \| good	0.309 \| good
2026-03-10T16:00:00.000Z	52 \| moderate	10.361 \| good	45.725 \| good	40.222 \| good	3.021 \| good	9.213 \| good	0.272 \| good
2026-03-10T17:00:00.000Z	49 \| good	8.684 \| good	37.971 \| good	46.255 \| good	3.322 \| good	7.609 \| good	0.236 \| good
2026-03-10T18:00:00.000Z	49 \| good	9.104 \| good	40.582 \| good	36.874 \| good	3.623 \| good	6.005 \| good	0.2 \| good
2026-03-10T19:00:00.000Z	49 \| good	9.493 \| good	42.613 \| good	40.183 \| good	3.295 \| good	5.374 \| good	0.191 \| good
2026-03-10T20:00:00.000Z	49 \| good	9.004 \| good	39.603 \| good	42.933 \| good	2.968 \| good	4.743 \| good	0.182 \| good
2026-03-10T21:00:00.000Z	38 \| good	6.695 \| good	29.959 \| good	41.045 \| good	2.64 \| good	4.112 \| good	0.173 \| good
2026-03-10T22:00:00.000Z	38 \| good	7.078 \| good	31.304 \| good	34.756 \| good	2.5 \| good	8.372 \| good	0.204 \| good
2026-03-10T23:00:00.000Z	49 \| good	8.708 \| good	38.409 \| good	25.486 \| good	2.36 \| good	12.632 \| good	0.235 \| good
2026-03-11T00:00:00.000Z	38 \| good	7.363 \| good	32.281 \| good	20.157 \| good	2.22 \| good	16.892 \| good	0.266 \| good
2026-03-11T01:00:00.000Z	38 \| good	7.403 \| good	32.417 \| good	19.581 \| good	2.074 \| good	16.12 \| good	0.26 \| good
2026-03-11T02:00:00.000Z	54 \| moderate	11.088 \| good	49.264 \| good	21.869 \| good	1.928 \| good	15.348 \| good	0.255 \| good
2026-03-11T03:00:00.000Z	56 \| moderate	11.855 \| good	53.079 \| good	21.484 \| good	1.782 \| good	14.576 \| good	0.249 \| good
2026-03-11T04:00:00.000Z	58 \| moderate	12.874 \| fine	58.151 \| fine	18.538 \| good	1.676 \| good	12.802 \| good	0.239 \| good
2026-03-11T05:00:00.000Z	56 \| moderate	12.316 \| fine	55.57 \| fine	17.168 \| good	1.569 \| good	11.028 \| good	0.228 \| good
2026-03-11T06:00:00.000Z	75 \| moderate	22.461 \| fine	22.533 \| good	27.639 \| good	1.467 \| good	9.261 \| good	0.217 \| good
2026-03-11T07:00:00.000Z	49 \| good	9.217 \| good	41.12 \| good	23.778 \| good	1.44 \| good	8.337 \| good	0.209 \| good
2026-03-11T08:00:00.000Z	60 \| moderate	13.769 \| fine	61.975 \| fine	12.848 \| good	1.416 \| good	7.42 \| good	0.2 \| good
2026-03-11T09:00:00.000Z	58 \| moderate	12.646 \| fine	57.021 \| fine	5.639 \| good	1.393 \| good	6.504 \| good	0.192 \| good
2026-03-11T10:00:00.000Z	49 \| good	8.84 \| good	38.665 \| good	18.171 \| good	1.487 \| good	8.037 \| good	0.203 \| good
2026-03-11T11:00:00.000Z	38 \| good	6.744 \| good	29.838 \| good	14.96 \| good	1.581 \| good	9.57 \| good	0.214 \| good
2026-03-11T12:00:00.000Z	77 \| moderate	22.997 \| fine	23.071 \| good	18.724 \| good	1.677 \| good	11.099 \| good	0.225 \| good
2026-03-11T13:00:00.000Z	79 \| moderate	23.835 \| fine	23.891 \| good	20.943 \| good	1.881 \| good	10.065 \| good	0.226 \| good
2026-03-11T14:00:00.000Z	73 \| moderate	21.038 \| fine	21.107 \| good	23.161 \| good	2.085 \| good	9.03 \| good	0.228 \| good
2026-03-11T15:00:00.000Z	64 \| moderate	16.423 \| fine	16.507 \| good	25.38 \| good	2.288 \| good	7.995 \| good	0.229 \| good
2026-03-11T16:00:00.000Z	58 \| moderate	13.077 \| fine	13.16 \| good	30.361 \| good	2.251 \| good	6.51 \| good	0.208 \| good
2026-03-11T17:00:00.000Z	49 \| good	8.74 \| good	38.117 \| good	35.854 \| good	2.208 \| good	5.02 \| good	0.186 \| good
2026-03-11T18:00:00.000Z	54 \| moderate	11.254 \| good	11.329 \| good	40.323 \| good	2.176 \| good	3.538 \| good	0.165 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	10.191 \| good	10.268 \| good	41.327 \| good	1.934 \| good	3.586 \| good	0.16 \| good
2026-03-11T20:00:00.000Z	49 \| good	9.468 \| good	9.538 \| good	42.33 \| good	1.693 \| good	3.633 \| good	0.156 \| good

Lower Merion

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

0.40ppm

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 03:00:00 on 2026-03-09.

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 03:00:00 on 2026-03-09.

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

The current air quality in Lower Merion, Pennsylvania is 36, categorized as Good based on real-time data.

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

The most common pollutant in Lower Merion, Pennsylvania is O3.

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 6.453 μg/m³.

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

The current PM₁₀ concentration at Lower Merion, Pennsylvania is 28.622 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 0.473 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 0.646 ppb.

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

The current ozone (O₃) concentration at Lower Merion, Pennsylvania is 39.471 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 13.019 ppb.

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