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

The current PM10 concentration at Lancaster, Pennsylvania is 19.082 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Lancaster, Pennsylvania is 0.441 ppb.

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

The current ozone (O3) concentration at Lancaster, Pennsylvania is 36.043 ppm.

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

The current nitrogen dioxide (NO2) concentration at Lancaster, Pennsylvania is 4.273 ppb.

Lancaster, Pennsylvania live air quality index now

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

The current PM2.5 concentration at Lancaster, Pennsylvania is 4.227 μg/m3.

Stay updated with real-time air quality in Lancaster, 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

Lancaster, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Lancaster, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.23 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.08 μg/m³

155

255

425

605+

Ozone (O₃)

36.04 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.27 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Lancaster, Pennsylvania

Scroll To Air Quality Map

Track live Lancaster, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T00:00:00.000Z	33 \| good	4.426 \| good	19.07 \| good	35.885 \| good	0.321 \| good	15.519 \| good	0.308 \| good
2026-01-22T01:00:00.000Z	31 \| good	4.327 \| good	19.082 \| good	34.034 \| good	0.348 \| good	15.597 \| good	0.308 \| good
2026-01-22T02:00:00.000Z	31 \| good	4.343 \| good	19.185 \| good	33.016 \| good	0.348 \| good	12.528 \| good	0.309 \| good
2026-01-22T03:00:00.000Z	32 \| good	4.533 \| good	20.096 \| good	34.975 \| good	0.338 \| good	9.744 \| good	0.288 \| good
2026-01-22T04:00:00.000Z	32 \| good	4.743 \| good	21.192 \| good	34.925 \| good	0.538 \| good	12.778 \| good	0.267 \| good
2026-01-22T05:00:00.000Z	31 \| good	5.426 \| good	23.188 \| good	33.03 \| good	0.906 \| good	15.683 \| good	0.267 \| good
2026-01-22T06:00:00.000Z	33 \| good	6.415 \| good	29.127 \| good	31.052 \| good	0.987 \| good	11.613 \| good	0.246 \| good
2026-01-22T07:00:00.000Z	38 \| good	7.404 \| good	33.014 \| good	31.052 \| good	0.52 \| good	9.408 \| good	0.225 \| good
2026-01-22T08:00:00.000Z	44 \| good	8.304 \| good	36.875 \| good	28.077 \| good	0.522 \| good	10.056 \| good	0.225 \| good
2026-01-22T09:00:00.000Z	49 \| good	9.312 \| good	41.999 \| good	29.065 \| good	0.461 \| good	14.601 \| good	0.225 \| good
2026-01-22T10:00:00.000Z	52 \| moderate	10.308 \| good	46.033 \| good	28.08 \| good	0.418 \| good	17.26 \| good	0.246 \| good
2026-01-22T11:00:00.000Z	54 \| moderate	11.403 \| good	51.005 \| good	24.164 \| good	0.325 \| good	11.545 \| good	0.289 \| good
2026-01-22T12:00:00.000Z	58 \| moderate	12.899 \| fine	58.943 \| fine	22.152 \| good	0.427 \| good	14.639 \| good	0.306 \| good
2026-01-22T13:00:00.000Z	60 \| moderate	13.528 \| fine	61.134 \| fine	26.038 \| good	0.425 \| good	12.748 \| good	0.326 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	13.747 \| fine	60.98 \| fine	26.111 \| good	0.684 \| good	15.614 \| good	0.385 \| good
2026-01-22T15:00:00.000Z	58 \| moderate	13.34 \| fine	60.937 \| fine	31.977 \| good	0.567 \| good	13.02 \| good	0.404 \| good
2026-01-22T16:00:00.000Z	56 \| moderate	12.135 \| fine	55.058 \| fine	32.989 \| good	0.566 \| good	11.911 \| good	0.324 \| good
2026-01-22T17:00:00.000Z	52 \| moderate	10.371 \| good	46.276 \| good	34.988 \| good	0.493 \| good	6.49 \| good	0.245 \| good
2026-01-22T18:00:00.000Z	49 \| good	9.498 \| good	42.443 \| good	36.007 \| good	0.431 \| good	4.544 \| good	0.204 \| good
2026-01-22T19:00:00.000Z	49 \| good	9.418 \| good	42.078 \| good	37.947 \| good	0.394 \| good	3.575 \| good	0.204 \| good
2026-01-22T20:00:00.000Z	49 \| good	9.406 \| good	42.033 \| good	37.96 \| good	0.341 \| good	3.623 \| good	0.203 \| good
2026-01-22T21:00:00.000Z	49 \| good	9.386 \| good	42.034 \| good	37.942 \| good	0.355 \| good	4.292 \| good	0.223 \| good
2026-01-22T22:00:00.000Z	44 \| good	8.401 \| good	37.095 \| good	36.932 \| good	0.365 \| good	3.242 \| good	0.222 \| good
2026-01-22T23:00:00.000Z	38 \| good	7.402 \| good	32.932 \| good	33.045 \| good	0.423 \| good	6.954 \| good	0.241 \| good
2026-01-23T00:00:00.000Z	38 \| good	6.621 \| good	30.015 \| good	35.841 \| good	0.364 \| good	11.11 \| good	0.262 \| good
2026-01-23T01:00:00.000Z	33 \| good	6.113 \| good	26.984 \| good	28.093 \| good	0.289 \| good	10.648 \| good	0.262 \| good
2026-01-23T02:00:00.000Z	28 \| good	5.444 \| good	23.177 \| good	30.035 \| good	0.315 \| good	10.331 \| good	0.262 \| good
2026-01-23T03:00:00.000Z	27 \| good	4.707 \| good	20.261 \| good	28.076 \| good	0.464 \| good	12.712 \| good	0.283 \| good
2026-01-23T04:00:00.000Z	29 \| good	3.886 \| good	17.308 \| good	30.962 \| good	0.46 \| good	13.551 \| good	0.264 \| good
2026-01-23T05:00:00.000Z	25 \| good	3.834 \| good	17.112 \| good	27.054 \| good	1.09 \| good	17.604 \| good	0.224 \| good
2026-01-23T06:00:00.000Z	22 \| good	3.903 \| good	17.117 \| good	22.136 \| good	2.053 \| good	13.456 \| good	0.225 \| good
2026-01-23T07:00:00.000Z	22 \| good	4.001 \| good	17.972 \| good	22.136 \| good	2.022 \| good	13.729 \| good	0.225 \| good
2026-01-23T08:00:00.000Z	23 \| good	3.913 \| good	17.023 \| good	24.031 \| good	2.81 \| good	24.02 \| good	0.204 \| good
2026-01-23T09:00:00.000Z	25 \| good	4.306 \| good	19.008 \| good	16.176 \| good	0.626 \| good	26.513 \| good	0.263 \| good
2026-01-23T10:00:00.000Z	27 \| good	5.087 \| good	21.942 \| good	10.295 \| good	0.664 \| good	26.279 \| good	0.283 \| good
2026-01-23T11:00:00.000Z	38 \| good	7.131 \| good	31.674 \| good	9.311 \| good	0.805 \| good	18.276 \| good	0.283 \| good
2026-01-23T12:00:00.000Z	54 \| moderate	10.73 \| good	47.335 \| good	8.309 \| good	0.786 \| good	21.783 \| good	0.324 \| good
2026-01-23T13:00:00.000Z	58 \| moderate	13.284 \| fine	59.98 \| fine	5.382 \| good	0.784 \| good	19.685 \| good	0.365 \| good
2026-01-23T14:00:00.000Z	56 \| moderate	12.187 \| fine	54.521 \| good	10.258 \| good	0.815 \| good	16.284 \| good	0.386 \| good
2026-01-23T15:00:00.000Z	52 \| moderate	10.217 \| good	45.089 \| good	17.07 \| good	0.594 \| good	9.12 \| good	0.386 \| good
2026-01-23T16:00:00.000Z	44 \| good	7.607 \| good	34.025 \| good	23.985 \| good	0.687 \| good	4.774 \| good	0.283 \| good
2026-01-23T17:00:00.000Z	33 \| good	5.92 \| good	27.057 \| good	28.961 \| good	0.659 \| good	5.638 \| good	0.222 \| good
2026-01-23T18:00:00.000Z	30 \| good	5.112 \| good	22.159 \| good	31.975 \| good	0.614 \| good	5.776 \| good	0.203 \| good
2026-01-23T19:00:00.000Z	31 \| good	4.712 \| good	21.017 \| good	33.939 \| good	0.5 \| good	6.093 \| good	0.202 \| good
2026-01-23T20:00:00.000Z	31 \| good	4.622 \| good	20.057 \| good	33.069 \| good	0.439 \| good	5.821 \| good	0.203 \| good
2026-01-23T21:00:00.000Z	32 \| good	4.526 \| good	20.109 \| good	35.013 \| good	0.505 \| good	4.801 \| good	0.223 \| good
2026-01-23T22:00:00.000Z	33 \| good	4.227 \| good	19.082 \| good	36.043 \| good	0.441 \| good	4.273 \| good	0.244 \| good
2026-01-23T23:00:00.000Z	33 \| good	4.227 \| good	19.082 \| good	36.043 \| good	0.441 \| good	4.273 \| good	0.244 \| good
2026-01-24T00:00:00.000Z	31 \| good	5.022 \| good	21.687 \| good	33.231 \| good	1.275 \| good	2.771 \| good	0.169 \| good
2026-01-24T01:00:00.000Z	31 \| good	4.869 \| good	21.113 \| good	32.857 \| good	1.105 \| good	2.435 \| good	0.162 \| good
2026-01-24T02:00:00.000Z	31 \| good	4.635 \| good	20.053 \| good	33.761 \| good	0.935 \| good	2.099 \| good	0.155 \| good
2026-01-24T03:00:00.000Z	31 \| good	4.983 \| good	21.16 \| good	32.666 \| good	0.765 \| good	1.763 \| good	0.147 \| good
2026-01-24T04:00:00.000Z	29 \| good	5.152 \| good	22.124 \| good	31.183 \| good	0.789 \| good	1.695 \| good	0.146 \| good
2026-01-24T05:00:00.000Z	33 \| good	5.763 \| good	24.713 \| good	30.891 \| good	0.814 \| good	1.628 \| good	0.144 \| good
2026-01-24T06:00:00.000Z	38 \| good	6.751 \| good	29.789 \| good	30.002 \| good	0.839 \| good	1.561 \| good	0.143 \| good
2026-01-24T07:00:00.000Z	38 \| good	7.246 \| good	31.798 \| good	29.691 \| good	0.824 \| good	1.535 \| good	0.143 \| good
2026-01-24T08:00:00.000Z	44 \| good	7.739 \| good	34.054 \| good	30.902 \| good	0.809 \| good	1.509 \| good	0.144 \| good
2026-01-24T09:00:00.000Z	38 \| good	6.805 \| good	30.102 \| good	29.798 \| good	0.794 \| good	1.484 \| good	0.145 \| good
2026-01-24T10:00:00.000Z	38 \| good	7.165 \| good	31.665 \| good	27.966 \| good	0.824 \| good	1.68 \| good	0.148 \| good
2026-01-24T11:00:00.000Z	38 \| good	7.26 \| good	31.726 \| good	26.328 \| good	0.853 \| good	1.877 \| good	0.15 \| good
2026-01-24T12:00:00.000Z	44 \| good	8.276 \| good	36.543 \| good	27.163 \| good	0.882 \| good	2.074 \| good	0.153 \| good
2026-01-24T13:00:00.000Z	49 \| good	8.588 \| good	37.686 \| good	27.988 \| good	1.029 \| good	1.935 \| good	0.154 \| good
2026-01-24T14:00:00.000Z	49 \| good	8.958 \| good	39.857 \| good	27.469 \| good	1.176 \| good	1.796 \| good	0.155 \| good
2026-01-24T15:00:00.000Z	52 \| moderate	9.598 \| good	42.7 \| good	26.036 \| good	1.322 \| good	1.658 \| good	0.157 \| good
2026-01-24T16:00:00.000Z	38 \| good	6.999 \| good	30.804 \| good	28.693 \| good	1.491 \| good	1.595 \| good	0.156 \| good
2026-01-24T17:00:00.000Z	38 \| good	6.963 \| good	30.715 \| good	30.446 \| good	1.661 \| good	1.532 \| good	0.155 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.198 \| good	27.677 \| good	30.767 \| good	1.83 \| good	1.468 \| good	0.154 \| good
2026-01-24T19:00:00.000Z	29 \| good	5.26 \| good	22.904 \| good	30.891 \| good	1.919 \| good	1.895 \| good	0.154 \| good
2026-01-24T20:00:00.000Z	29 \| good	5.49 \| good	23.525 \| good	30.638 \| good	2.008 \| good	2.322 \| good	0.155 \| good
2026-01-24T21:00:00.000Z	29 \| good	5.461 \| good	23.26 \| good	31.475 \| good	2.097 \| good	2.749 \| good	0.156 \| good
2026-01-24T22:00:00.000Z	29 \| good	3.433 \| good	15.074 \| good	31.253 \| good	2.265 \| good	3.461 \| good	0.162 \| good
2026-01-24T23:00:00.000Z	29 \| good	2.179 \| good	8.892 \| good	30.7 \| good	2.433 \| good	4.174 \| good	0.168 \| good
2026-01-25T00:00:00.000Z	27 \| good	2.948 \| good	12.037 \| good	28.537 \| good	2.601 \| good	4.886 \| good	0.174 \| good
2026-01-25T01:00:00.000Z	27 \| good	3.942 \| good	16.947 \| good	29.3 \| good	2.74 \| good	4.633 \| good	0.173 \| good
2026-01-25T02:00:00.000Z	29 \| good	4.657 \| good	20.124 \| good	30.713 \| good	2.879 \| good	4.38 \| good	0.172 \| good
2026-01-25T03:00:00.000Z	33 \| good	5.999 \| good	26.222 \| good	31.006 \| good	3.019 \| good	4.126 \| good	0.171 \| good
2026-01-25T04:00:00.000Z	33 \| good	6.456 \| good	28.699 \| good	30.937 \| good	2.724 \| good	3.961 \| good	0.172 \| good
2026-01-25T05:00:00.000Z	44 \| good	8.017 \| good	35.219 \| good	29.279 \| good	2.429 \| good	3.797 \| good	0.172 \| good
2026-01-25T06:00:00.000Z	52 \| moderate	10.442 \| good	46.245 \| good	27.216 \| good	2.134 \| good	3.632 \| good	0.172 \| good
2026-01-25T07:00:00.000Z	58 \| moderate	12.67 \| fine	56.558 \| fine	25.914 \| good	1.81 \| good	3.544 \| good	0.172 \| good
2026-01-25T08:00:00.000Z	60 \| moderate	14.33 \| fine	64.356 \| fine	22.73 \| good	1.486 \| good	3.457 \| good	0.172 \| good
2026-01-25T09:00:00.000Z	62 \| moderate	15.065 \| fine	67.296 \| fine	20.613 \| good	1.162 \| good	3.369 \| good	0.172 \| good
2026-01-25T10:00:00.000Z	64 \| moderate	15.865 \| fine	70.906 \| fine	19.328 \| good	1.091 \| good	3.641 \| good	0.172 \| good
2026-01-25T11:00:00.000Z	60 \| moderate	13.936 \| fine	62.736 \| fine	20.174 \| good	1.021 \| good	3.913 \| good	0.172 \| good
2026-01-25T12:00:00.000Z	58 \| moderate	13.08 \| fine	58.736 \| fine	22.536 \| good	0.951 \| good	4.184 \| good	0.173 \| good
2026-01-25T13:00:00.000Z	60 \| moderate	13.875 \| fine	62.659 \| fine	23.136 \| good	1.019 \| good	5.33 \| good	0.18 \| good
2026-01-25T14:00:00.000Z	62 \| moderate	15.381 \| fine	68.641 \| fine	21.367 \| good	1.088 \| good	6.476 \| good	0.187 \| good
2026-01-25T15:00:00.000Z	64 \| moderate	15.563 \| fine	69.446 \| fine	17.901 \| good	1.156 \| good	7.621 \| good	0.194 \| good
2026-01-25T16:00:00.000Z	56 \| moderate	11.71 \| good	51.598 \| good	21.176 \| good	1.197 \| good	8.606 \| good	0.199 \| good
2026-01-25T17:00:00.000Z	49 \| good	9.071 \| good	40.207 \| good	22.765 \| good	1.238 \| good	9.591 \| good	0.204 \| good
2026-01-25T18:00:00.000Z	38 \| good	6.711 \| good	29.962 \| good	23.718 \| good	1.279 \| good	10.576 \| good	0.208 \| good
2026-01-25T19:00:00.000Z	27 \| good	5.253 \| good	23 \| good	23.88 \| good	1.293 \| good	11.261 \| good	0.202 \| good
2026-01-25T20:00:00.000Z	27 \| good	4.799 \| good	21 \| good	24.347 \| good	1.308 \| good	11.945 \| good	0.195 \| good
2026-01-25T21:00:00.000Z	22 \| good	3.048 \| good	12.315 \| good	24.062 \| good	1.322 \| good	12.629 \| good	0.189 \| good
2026-01-25T22:00:00.000Z	25 \| good	2.348 \| good	9.572 \| good	26.595 \| good	1.26 \| good	12.564 \| good	0.191 \| good
2026-01-25T23:00:00.000Z	25 \| good	3.232 \| good	14.196 \| good	27.047 \| good	1.198 \| good	12.5 \| good	0.193 \| good

Lancaster

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Lancaster, Pennsylvania air quality map: Track AQI near you

0.22ppm

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 Lancaster, Pennsylvania updated?

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

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

The worst air quality in Lancaster, Pennsylvania in the last 24 hours was observed at 01:00:00 on 2026-01-23.

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

In the last 24 hrs, the best air quality in Lancaster, Pennsylvania was observed at 07:00:00 on 2026-01-23.

What is the current air quality in Lancaster, Pennsylvania?

The current air quality in Lancaster, Pennsylvania is 33, categorized as Good based on real-time data.

What pollutant is the most common in Lancaster, Pennsylvania?

The most common pollutant in Lancaster, Pennsylvania is O3.

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

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

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

The current PM_2.5 concentration at Lancaster, Pennsylvania is 4.227 μg/m³.

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

The current PM₁₀ concentration at Lancaster, Pennsylvania is 19.082 μg/m³.

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

The current carbon monoxide (CO) concentration at Lancaster, Pennsylvania is 0.244 ppm.

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

The current sulfur dioxide (SO₂) concentration at Lancaster, Pennsylvania is 0.441 ppb.

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

The current ozone (O₃) concentration at Lancaster, Pennsylvania is 36.043 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Lancaster, Pennsylvania is 4.273 ppb.

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