What is the sulfur dioxide (SO2) level in Williamsport, Pennsylvania at the moment?

Currently, Williamsport, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.511 ppb.

What is the ozone (O3) level in Williamsport, Pennsylvania at the moment?

The current ozone (O3) level in Williamsport, Pennsylvania at the moment is 15.245 ppm.

What is the nitrogen dioxide (NO2) level in Williamsport, Pennsylvania at the moment?

Nitrogen dioxide (NO2) level in Williamsport, Pennsylvania at the moment is 13.614 ppb.

Live air quality index in Williamsport, Pennsylvania today

Q: What is the PM2.5 level in Williamsport, Pennsylvania at the moment?

PM2.5 levels in Williamsport, Pennsylvania are currently 4.296 μg/m3.

Q: What is the PM10 level in Williamsport, Pennsylvania at the moment?

The PM10 concentration in Williamsport, Pennsylvania is 18.009 μg/m3 at the moment.

Stay updated with real-time air quality in Williamsport, 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

Williamsport, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Williamsport, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.28 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.34 μg/m³

155

255

425

605+

Ozone (O₃)

33.60 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Williamsport, Pennsylvania

Get Live Pollen Counts

Williamsport, Pennsylvania

Scroll To Air Quality Map

Track live Williamsport, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	33 \| good	2.855 \| good	15.156 \| good	35.999 \| good	0.253 \| good	6.306 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	34 \| good	2.688 \| good	12.05 \| good	36.995 \| good	0.197 \| good	7.589 \| good	0.22 \| good
2026-10-20T23:00:00.000Z	33 \| good	2.871 \| good	11.63 \| good	35.993 \| good	0.366 \| good	11.409 \| good	0.22 \| good
2026-10-21T00:00:00.000Z	31 \| good	3.244 \| good	14.887 \| good	32.988 \| good	0.257 \| good	12.8 \| good	0.259 \| good
2026-10-21T01:00:00.000Z	31 \| good	3.581 \| good	18.64 \| good	34.002 \| good	0.409 \| good	14.308 \| good	0.281 \| good
2026-10-21T02:00:00.000Z	30 \| good	3.71 \| good	16.506 \| good	31.917 \| good	0.43 \| good	17.976 \| good	0.282 \| good
2026-10-21T03:00:00.000Z	22 \| good	4.291 \| good	19.083 \| good	10.73 \| good	0.302 \| good	2.119 \| good	0.153 \| good
2026-10-21T04:00:00.000Z	24 \| good	3.736 \| good	17.132 \| good	25.951 \| good	0.214 \| good	15.202 \| good	0.204 \| good
2026-10-21T05:00:00.000Z	21 \| good	3.288 \| good	13.689 \| good	22.903 \| good	0.177 \| good	14.842 \| good	0.183 \| good
2026-10-21T06:00:00.000Z	16 \| good	3.487 \| good	16.716 \| good	15.047 \| good	0.213 \| good	14.114 \| good	0.183 \| good
2026-10-21T07:00:00.000Z	22 \| good	3.864 \| good	17.854 \| good	15.049 \| good	0.351 \| good	13.677 \| good	0.182 \| good
2026-10-21T08:00:00.000Z	22 \| good	3.589 \| good	17.282 \| good	11.136 \| good	0.195 \| good	12.21 \| good	0.16 \| good
2026-10-21T09:00:00.000Z	22 \| good	3.528 \| good	14.4 \| good	7.12 \| good	0.173 \| good	12.091 \| good	0.182 \| good
2026-10-21T10:00:00.000Z	22 \| good	3.857 \| good	13.799 \| good	6.209 \| good	0.268 \| good	13.746 \| good	0.182 \| good
2026-10-21T11:00:00.000Z	22 \| good	3.879 \| good	15.706 \| good	5.203 \| good	0.257 \| good	14.186 \| good	0.182 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.682 \| good	16.731 \| good	6.187 \| good	0.197 \| good	10.842 \| good	0.201 \| good
2026-10-21T13:00:00.000Z	24 \| good	4.264 \| good	26.362 \| good	8.122 \| good	0.24 \| good	11.634 \| good	0.221 \| good
2026-10-21T14:00:00.000Z	22 \| good	4.221 \| good	14.638 \| good	12.093 \| good	0.255 \| good	8.691 \| good	0.221 \| good
2026-10-21T15:00:00.000Z	22 \| good	4.027 \| good	14.677 \| good	14.129 \| good	0.236 \| good	7.106 \| good	0.221 \| good
2026-10-21T16:00:00.000Z	27 \| good	5.121 \| good	16.88 \| good	19.103 \| good	0.258 \| good	6.127 \| good	0.161 \| good
2026-10-21T17:00:00.000Z	27 \| good	4.565 \| good	18.663 \| good	24.083 \| good	0.272 \| good	5.338 \| good	0.161 \| good
2026-10-21T18:00:00.000Z	25 \| good	3.549 \| good	11.779 \| good	27.08 \| good	0.271 \| good	5.339 \| good	0.161 \| good
2026-10-21T19:00:00.000Z	27 \| good	3.199 \| good	14.496 \| good	29.066 \| good	0.199 \| good	5.212 \| good	0.161 \| good
2026-10-21T20:00:00.000Z	30 \| good	3.195 \| good	14.187 \| good	32.043 \| good	0.178 \| good	5.447 \| good	0.161 \| good
2026-10-21T21:00:00.000Z	30 \| good	2.975 \| good	10.206 \| good	32.041 \| good	0.289 \| good	5.441 \| good	0.119 \| good
2026-10-21T22:00:00.000Z	30 \| good	2.912 \| good	12.598 \| good	32.027 \| good	0.22 \| good	6.885 \| good	0.161 \| good
2026-10-21T23:00:00.000Z	25 \| good	3.059 \| good	12.026 \| good	27.071 \| good	0.243 \| good	8.056 \| good	0.161 \| good
2026-10-22T00:00:00.000Z	18 \| good	3.077 \| good	12.909 \| good	19.162 \| good	0.391 \| good	11.375 \| good	0.179 \| good
2026-10-22T01:00:00.000Z	22 \| good	4.328 \| good	18.064 \| good	13.233 \| good	0.512 \| good	13.809 \| good	0.197 \| good
2026-10-22T02:00:00.000Z	22 \| good	4.428 \| good	18.644 \| good	11.21 \| good	0.371 \| good	14.059 \| good	0.258 \| good
2026-10-22T03:00:00.000Z	33 \| good	5.856 \| good	25.66 \| good	9.568 \| good	0.318 \| good	3.184 \| good	0.161 \| good
2026-10-22T04:00:00.000Z	27 \| good	4.865 \| good	20.626 \| good	9.182 \| good	0.329 \| good	13.892 \| good	0.236 \| good
2026-10-22T05:00:00.000Z	27 \| good	4.816 \| good	23.961 \| good	6.267 \| good	0.329 \| good	11.817 \| good	0.312 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.884 \| good	18.756 \| good	5.228 \| good	0.329 \| good	13.895 \| good	0.313 \| good
2026-10-22T07:00:00.000Z	33 \| good	5.753 \| good	27.531 \| good	5.228 \| good	0.329 \| good	13.06 \| good	0.254 \| good
2026-10-22T08:00:00.000Z	22 \| good	4.034 \| good	15.899 \| good	5.2 \| good	0.458 \| good	12.232 \| good	0.18 \| good
2026-10-22T09:00:00.000Z	22 \| good	4.084 \| good	15.026 \| good	3.196 \| good	0.27 \| good	14.362 \| good	0.216 \| good
2026-10-22T10:00:00.000Z	22 \| good	4.06 \| good	18.162 \| good	4.222 \| good	0.683 \| good	16.601 \| good	0.274 \| good
2026-10-22T11:00:00.000Z	22 \| good	4.147 \| good	16.355 \| good	6.147 \| good	0.717 \| good	18.106 \| good	0.274 \| good
2026-10-22T12:00:00.000Z	22 \| good	3.932 \| good	18.448 \| good	8.08 \| good	0.702 \| good	18.28 \| good	0.252 \| good
2026-10-22T13:00:00.000Z	22 \| good	4.297 \| good	23.236 \| good	10.108 \| good	0.715 \| good	16.147 \| good	0.215 \| good
2026-10-22T14:00:00.000Z	26 \| good	4.208 \| good	27.77 \| good	12.098 \| good	0.389 \| good	11.788 \| good	0.196 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.997 \| good	18.75 \| good	16.124 \| good	0.31 \| good	9.563 \| good	0.12 \| good
2026-10-22T16:00:00.000Z	22 \| good	3.626 \| good	17.22 \| good	20.093 \| good	0.198 \| good	7.217 \| good	0.198 \| good
2026-10-22T17:00:00.000Z	21 \| good	3.374 \| good	16.987 \| good	23.1 \| good	0.199 \| good	6.316 \| good	0.198 \| good
2026-10-22T18:00:00.000Z	26 \| good	3.118 \| good	13.935 \| good	28.098 \| good	0.432 \| good	5.355 \| good	0.198 \| good
2026-10-22T19:00:00.000Z	31 \| good	3.294 \| good	13.283 \| good	33.073 \| good	0.382 \| good	5.388 \| good	0.198 \| good
2026-10-22T20:00:00.000Z	31 \| good	3.284 \| good	13.338 \| good	33.603 \| good	0.381 \| good	5.37 \| good	0.193 \| good
2026-10-22T03:00:00.000Z	33 \| good	6.475 \| good	28.705 \| good	8.128 \| good	0.309 \| good	2.743 \| good	0.157 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.067 \| good	26.974 \| good	9.695 \| good	0.316 \| good	2.876 \| good	0.159 \| good
2026-10-22T05:00:00.000Z	27 \| good	5.386 \| good	23.035 \| good	10.145 \| good	0.316 \| good	2.915 \| good	0.16 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.174 \| good	22.147 \| good	10.195 \| good	0.315 \| good	3.04 \| good	0.161 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.875 \| good	21.12 \| good	9.015 \| good	0.314 \| good	3.067 \| good	0.161 \| good
2026-10-22T08:00:00.000Z	22 \| good	4.016 \| good	17.955 \| good	7.469 \| good	0.317 \| good	2.945 \| good	0.159 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.667 \| good	16.057 \| good	3.846 \| good	0.326 \| good	2.624 \| good	0.154 \| good
2026-10-22T10:00:00.000Z	16 \| good	3.483 \| good	15.265 \| good	5.026 \| good	0.339 \| good	2.304 \| good	0.149 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.685 \| good	16.204 \| good	5.286 \| good	0.35 \| good	2.32 \| good	0.148 \| good
2026-10-22T12:00:00.000Z	22 \| good	3.791 \| good	16.552 \| good	3.564 \| good	0.357 \| good	2.974 \| good	0.155 \| good
2026-10-22T13:00:00.000Z	11 \| good	2.427 \| good	9.728 \| good	7.324 \| good	0.352 \| good	2.557 \| good	0.16 \| good
2026-10-22T14:00:00.000Z	27 \| good	4.868 \| good	20.87 \| good	13.934 \| good	0.481 \| good	1.816 \| good	0.156 \| good
2026-10-22T15:00:00.000Z	33 \| good	5.51 \| good	23.568 \| good	22.308 \| good	0.819 \| good	1.621 \| good	0.16 \| good
2026-10-22T16:00:00.000Z	30 \| good	5.438 \| good	23.027 \| good	32.271 \| good	1.069 \| good	1.422 \| good	0.163 \| good
2026-10-22T17:00:00.000Z	33 \| good	5.997 \| good	26.787 \| good	35.793 \| good	1.155 \| good	1.324 \| good	0.165 \| good
2026-10-22T18:00:00.000Z	38 \| good	6.663 \| good	29.926 \| good	37.114 \| good	1.169 \| good	1.348 \| good	0.166 \| good
2026-10-22T19:00:00.000Z	38 \| good	6.765 \| good	30 \| good	39.894 \| good	1.107 \| good	1.447 \| good	0.166 \| good
2026-10-22T20:00:00.000Z	41 \| good	6.455 \| good	28.657 \| good	44.153 \| good	0.95 \| good	1.59 \| good	0.166 \| good
2026-10-22T21:00:00.000Z	38 \| good	7.048 \| good	31.315 \| good	39.635 \| good	0.78 \| good	1.806 \| good	0.166 \| good
2026-10-22T22:00:00.000Z	38 \| good	6.942 \| good	30.838 \| good	32.366 \| good	0.668 \| good	2.21 \| good	0.169 \| good
2026-10-22T23:00:00.000Z	38 \| good	6.69 \| good	29.556 \| good	30.653 \| good	0.579 \| good	2.43 \| good	0.172 \| good
2026-10-23T00:00:00.000Z	44 \| good	7.504 \| good	32.899 \| good	21.588 \| good	0.487 \| good	2.191 \| good	0.171 \| good
2026-10-23T01:00:00.000Z	38 \| good	7.074 \| good	31.437 \| good	17.958 \| good	0.389 \| good	1.675 \| good	0.166 \| good
2026-10-23T02:00:00.000Z	38 \| good	6.843 \| good	29.98 \| good	16.697 \| good	0.309 \| good	1.253 \| good	0.161 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.637 \| good	29.468 \| good	16.252 \| good	0.244 \| good	0.961 \| good	0.155 \| good
2026-10-23T04:00:00.000Z	33 \| good	6.052 \| good	26.644 \| good	13.424 \| good	0.202 \| good	0.794 \| good	0.149 \| good
2026-10-23T05:00:00.000Z	27 \| good	5.267 \| good	22.616 \| good	10.033 \| good	0.192 \| good	0.718 \| good	0.144 \| good
2026-10-23T06:00:00.000Z	33 \| good	5.573 \| good	24.69 \| good	9.78 \| good	0.221 \| good	0.696 \| good	0.14 \| good
2026-10-23T07:00:00.000Z	27 \| good	5.462 \| good	23.733 \| good	9.904 \| good	0.265 \| good	0.757 \| good	0.139 \| good
2026-10-23T08:00:00.000Z	27 \| good	4.66 \| good	20.12 \| good	9.44 \| good	0.295 \| good	0.895 \| good	0.14 \| good
2026-10-23T09:00:00.000Z	27 \| good	4.529 \| good	19.775 \| good	5.017 \| good	0.305 \| good	1.076 \| good	0.142 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.317 \| good	18.881 \| good	2.09 \| good	0.302 \| good	1.352 \| good	0.144 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.227 \| good	18.478 \| good	2.133 \| good	0.307 \| good	1.796 \| good	0.149 \| good
2026-10-23T12:00:00.000Z	22 \| good	4.091 \| good	17.927 \| good	2.097 \| good	0.317 \| good	2.515 \| good	0.157 \| good
2026-10-23T13:00:00.000Z	16 \| good	3.066 \| good	13.299 \| good	4.903 \| good	0.307 \| good	1.832 \| good	0.155 \| good
2026-10-23T14:00:00.000Z	16 \| good	3.494 \| good	15.432 \| good	9.392 \| good	0.328 \| good	1.191 \| good	0.149 \| good
2026-10-23T15:00:00.000Z	16 \| good	3.082 \| good	13.478 \| good	15.249 \| good	0.369 \| good	0.845 \| good	0.144 \| good
2026-10-23T16:00:00.000Z	20 \| good	2.169 \| good	8.851 \| good	22.47 \| good	0.367 \| good	0.64 \| good	0.14 \| good
2026-10-23T17:00:00.000Z	27 \| good	2.104 \| good	8.597 \| good	28.535 \| good	0.352 \| good	0.522 \| good	0.136 \| good
2026-10-23T18:00:00.000Z	32 \| good	1.716 \| good	7.316 \| good	35.05 \| good	0.34 \| good	0.459 \| good	0.134 \| good
2026-10-23T19:00:00.000Z	35 \| good	1.367 \| good	5.555 \| good	37.751 \| good	0.334 \| good	0.449 \| good	0.133 \| good
2026-10-23T20:00:00.000Z	36 \| good	1.347 \| good	5.527 \| good	38.577 \| good	0.33 \| good	0.514 \| good	0.133 \| good
2026-10-23T21:00:00.000Z	33 \| good	1.94 \| good	8.003 \| good	36.155 \| good	0.328 \| good	0.682 \| good	0.134 \| good
2026-10-23T22:00:00.000Z	27 \| good	3.344 \| good	14.407 \| good	28.654 \| good	0.329 \| good	2.797 \| good	0.156 \| good
2026-10-23T23:00:00.000Z	16 \| good	3.429 \| good	14.793 \| good	17.073 \| good	0.364 \| good	5.72 \| good	0.185 \| good
2026-10-24T00:00:00.000Z	27 \| good	5.157 \| good	22.212 \| good	6.729 \| good	0.398 \| good	7.425 \| good	0.204 \| good
2026-10-24T01:00:00.000Z	27 \| good	5.154 \| good	22.348 \| good	5.233 \| good	0.421 \| good	7.88 \| good	0.209 \| good
2026-10-24T02:00:00.000Z	27 \| good	4.564 \| good	19.689 \| good	5.825 \| good	0.432 \| good	7.981 \| good	0.21 \| good

Williamsport

Get reliable air quality data to drive your business

Williamsport, Pennsylvania air quality map: Stay updated on AQI near you

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How accurate is Pennsylvania, USA air quality data?

Air quality and pollutant data for Pennsylvania, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Williamsport, Pennsylvania?

The air quality information for Williamsport, Pennsylvania is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Williamsport, Pennsylvania at its worst?

In the past 24 hours, the air quality in Williamsport, Pennsylvania was at its worst at 10:00:00 on 2026-10-21.

When did Williamsport, Pennsylvania experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Williamsport, Pennsylvania was observed at 12:00:00 on 2026-10-22.

What is the AQI in Williamsport, Pennsylvania right now?

As of now, the AQI in Williamsport, Pennsylvania is 22, indicating Good conditions.

What is the most common type of pollution in Williamsport, Pennsylvania?

Williamsport, Pennsylvania air has the highest levels of PM2.5.

What should I do in case of poor air quality in Williamsport, Pennsylvania?

Poor air quality in Williamsport, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Williamsport, Pennsylvania at the moment?

PM_2.5 levels in Williamsport, Pennsylvania are currently 4.296 μg/m³.

What is the PM₁₀ level in Williamsport, Pennsylvania at the moment?

The PM₁₀ concentration in Williamsport, Pennsylvania is 18.009 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Williamsport, Pennsylvania at the moment?

The current carbon monoxide (CO) concentration in Williamsport, Pennsylvania is 0.195 ppm.

What is the sulfur dioxide (SO₂) level in Williamsport, Pennsylvania at the moment?

Currently, Williamsport, Pennsylvania has a sulfur dioxide (SO₂) concentration of 0.511 ppb.

What is the ozone (O₃) level in Williamsport, Pennsylvania at the moment?

The current ozone (O₃) level in Williamsport, Pennsylvania at the moment is 15.245 ppm.

What is the nitrogen dioxide (NO₂) level in Williamsport, Pennsylvania at the moment?

Nitrogen dioxide (NO₂) level in Williamsport, Pennsylvania at the moment is 13.614 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	33 \| good	2.855 \| good	15.156 \| good	35.999 \| good	0.253 \| good	6.306 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	34 \| good	2.688 \| good	12.05 \| good	36.995 \| good	0.197 \| good	7.589 \| good	0.22 \| good
2026-10-20T23:00:00.000Z	33 \| good	2.871 \| good	11.63 \| good	35.993 \| good	0.366 \| good	11.409 \| good	0.22 \| good
2026-10-21T00:00:00.000Z	31 \| good	3.244 \| good	14.887 \| good	32.988 \| good	0.257 \| good	12.8 \| good	0.259 \| good
2026-10-21T01:00:00.000Z	31 \| good	3.581 \| good	18.64 \| good	34.002 \| good	0.409 \| good	14.308 \| good	0.281 \| good
2026-10-21T02:00:00.000Z	30 \| good	3.71 \| good	16.506 \| good	31.917 \| good	0.43 \| good	17.976 \| good	0.282 \| good
2026-10-21T03:00:00.000Z	22 \| good	4.291 \| good	19.083 \| good	10.73 \| good	0.302 \| good	2.119 \| good	0.153 \| good
2026-10-21T04:00:00.000Z	24 \| good	3.736 \| good	17.132 \| good	25.951 \| good	0.214 \| good	15.202 \| good	0.204 \| good
2026-10-21T05:00:00.000Z	21 \| good	3.288 \| good	13.689 \| good	22.903 \| good	0.177 \| good	14.842 \| good	0.183 \| good
2026-10-21T06:00:00.000Z	16 \| good	3.487 \| good	16.716 \| good	15.047 \| good	0.213 \| good	14.114 \| good	0.183 \| good
2026-10-21T07:00:00.000Z	22 \| good	3.864 \| good	17.854 \| good	15.049 \| good	0.351 \| good	13.677 \| good	0.182 \| good
2026-10-21T08:00:00.000Z	22 \| good	3.589 \| good	17.282 \| good	11.136 \| good	0.195 \| good	12.21 \| good	0.16 \| good
2026-10-21T09:00:00.000Z	22 \| good	3.528 \| good	14.4 \| good	7.12 \| good	0.173 \| good	12.091 \| good	0.182 \| good
2026-10-21T10:00:00.000Z	22 \| good	3.857 \| good	13.799 \| good	6.209 \| good	0.268 \| good	13.746 \| good	0.182 \| good
2026-10-21T11:00:00.000Z	22 \| good	3.879 \| good	15.706 \| good	5.203 \| good	0.257 \| good	14.186 \| good	0.182 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.682 \| good	16.731 \| good	6.187 \| good	0.197 \| good	10.842 \| good	0.201 \| good
2026-10-21T13:00:00.000Z	24 \| good	4.264 \| good	26.362 \| good	8.122 \| good	0.24 \| good	11.634 \| good	0.221 \| good
2026-10-21T14:00:00.000Z	22 \| good	4.221 \| good	14.638 \| good	12.093 \| good	0.255 \| good	8.691 \| good	0.221 \| good
2026-10-21T15:00:00.000Z	22 \| good	4.027 \| good	14.677 \| good	14.129 \| good	0.236 \| good	7.106 \| good	0.221 \| good
2026-10-21T16:00:00.000Z	27 \| good	5.121 \| good	16.88 \| good	19.103 \| good	0.258 \| good	6.127 \| good	0.161 \| good
2026-10-21T17:00:00.000Z	27 \| good	4.565 \| good	18.663 \| good	24.083 \| good	0.272 \| good	5.338 \| good	0.161 \| good
2026-10-21T18:00:00.000Z	25 \| good	3.549 \| good	11.779 \| good	27.08 \| good	0.271 \| good	5.339 \| good	0.161 \| good
2026-10-21T19:00:00.000Z	27 \| good	3.199 \| good	14.496 \| good	29.066 \| good	0.199 \| good	5.212 \| good	0.161 \| good
2026-10-21T20:00:00.000Z	30 \| good	3.195 \| good	14.187 \| good	32.043 \| good	0.178 \| good	5.447 \| good	0.161 \| good
2026-10-21T21:00:00.000Z	30 \| good	2.975 \| good	10.206 \| good	32.041 \| good	0.289 \| good	5.441 \| good	0.119 \| good
2026-10-21T22:00:00.000Z	30 \| good	2.912 \| good	12.598 \| good	32.027 \| good	0.22 \| good	6.885 \| good	0.161 \| good
2026-10-21T23:00:00.000Z	25 \| good	3.059 \| good	12.026 \| good	27.071 \| good	0.243 \| good	8.056 \| good	0.161 \| good
2026-10-22T00:00:00.000Z	18 \| good	3.077 \| good	12.909 \| good	19.162 \| good	0.391 \| good	11.375 \| good	0.179 \| good
2026-10-22T01:00:00.000Z	22 \| good	4.328 \| good	18.064 \| good	13.233 \| good	0.512 \| good	13.809 \| good	0.197 \| good
2026-10-22T02:00:00.000Z	22 \| good	4.428 \| good	18.644 \| good	11.21 \| good	0.371 \| good	14.059 \| good	0.258 \| good
2026-10-22T03:00:00.000Z	33 \| good	5.856 \| good	25.66 \| good	9.568 \| good	0.318 \| good	3.184 \| good	0.161 \| good
2026-10-22T04:00:00.000Z	27 \| good	4.865 \| good	20.626 \| good	9.182 \| good	0.329 \| good	13.892 \| good	0.236 \| good
2026-10-22T05:00:00.000Z	27 \| good	4.816 \| good	23.961 \| good	6.267 \| good	0.329 \| good	11.817 \| good	0.312 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.884 \| good	18.756 \| good	5.228 \| good	0.329 \| good	13.895 \| good	0.313 \| good
2026-10-22T07:00:00.000Z	33 \| good	5.753 \| good	27.531 \| good	5.228 \| good	0.329 \| good	13.06 \| good	0.254 \| good
2026-10-22T08:00:00.000Z	22 \| good	4.034 \| good	15.899 \| good	5.2 \| good	0.458 \| good	12.232 \| good	0.18 \| good
2026-10-22T09:00:00.000Z	22 \| good	4.084 \| good	15.026 \| good	3.196 \| good	0.27 \| good	14.362 \| good	0.216 \| good
2026-10-22T10:00:00.000Z	22 \| good	4.06 \| good	18.162 \| good	4.222 \| good	0.683 \| good	16.601 \| good	0.274 \| good
2026-10-22T11:00:00.000Z	22 \| good	4.147 \| good	16.355 \| good	6.147 \| good	0.717 \| good	18.106 \| good	0.274 \| good
2026-10-22T12:00:00.000Z	22 \| good	3.932 \| good	18.448 \| good	8.08 \| good	0.702 \| good	18.28 \| good	0.252 \| good
2026-10-22T13:00:00.000Z	22 \| good	4.297 \| good	23.236 \| good	10.108 \| good	0.715 \| good	16.147 \| good	0.215 \| good
2026-10-22T14:00:00.000Z	26 \| good	4.208 \| good	27.77 \| good	12.098 \| good	0.389 \| good	11.788 \| good	0.196 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.997 \| good	18.75 \| good	16.124 \| good	0.31 \| good	9.563 \| good	0.12 \| good
2026-10-22T16:00:00.000Z	22 \| good	3.626 \| good	17.22 \| good	20.093 \| good	0.198 \| good	7.217 \| good	0.198 \| good
2026-10-22T17:00:00.000Z	21 \| good	3.374 \| good	16.987 \| good	23.1 \| good	0.199 \| good	6.316 \| good	0.198 \| good
2026-10-22T18:00:00.000Z	26 \| good	3.118 \| good	13.935 \| good	28.098 \| good	0.432 \| good	5.355 \| good	0.198 \| good
2026-10-22T19:00:00.000Z	31 \| good	3.294 \| good	13.283 \| good	33.073 \| good	0.382 \| good	5.388 \| good	0.198 \| good
2026-10-22T20:00:00.000Z	31 \| good	3.284 \| good	13.338 \| good	33.603 \| good	0.381 \| good	5.37 \| good	0.193 \| good
2026-10-22T03:00:00.000Z	33 \| good	6.475 \| good	28.705 \| good	8.128 \| good	0.309 \| good	2.743 \| good	0.157 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.067 \| good	26.974 \| good	9.695 \| good	0.316 \| good	2.876 \| good	0.159 \| good
2026-10-22T05:00:00.000Z	27 \| good	5.386 \| good	23.035 \| good	10.145 \| good	0.316 \| good	2.915 \| good	0.16 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.174 \| good	22.147 \| good	10.195 \| good	0.315 \| good	3.04 \| good	0.161 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.875 \| good	21.12 \| good	9.015 \| good	0.314 \| good	3.067 \| good	0.161 \| good
2026-10-22T08:00:00.000Z	22 \| good	4.016 \| good	17.955 \| good	7.469 \| good	0.317 \| good	2.945 \| good	0.159 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.667 \| good	16.057 \| good	3.846 \| good	0.326 \| good	2.624 \| good	0.154 \| good
2026-10-22T10:00:00.000Z	16 \| good	3.483 \| good	15.265 \| good	5.026 \| good	0.339 \| good	2.304 \| good	0.149 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.685 \| good	16.204 \| good	5.286 \| good	0.35 \| good	2.32 \| good	0.148 \| good
2026-10-22T12:00:00.000Z	22 \| good	3.791 \| good	16.552 \| good	3.564 \| good	0.357 \| good	2.974 \| good	0.155 \| good
2026-10-22T13:00:00.000Z	11 \| good	2.427 \| good	9.728 \| good	7.324 \| good	0.352 \| good	2.557 \| good	0.16 \| good
2026-10-22T14:00:00.000Z	27 \| good	4.868 \| good	20.87 \| good	13.934 \| good	0.481 \| good	1.816 \| good	0.156 \| good
2026-10-22T15:00:00.000Z	33 \| good	5.51 \| good	23.568 \| good	22.308 \| good	0.819 \| good	1.621 \| good	0.16 \| good
2026-10-22T16:00:00.000Z	30 \| good	5.438 \| good	23.027 \| good	32.271 \| good	1.069 \| good	1.422 \| good	0.163 \| good
2026-10-22T17:00:00.000Z	33 \| good	5.997 \| good	26.787 \| good	35.793 \| good	1.155 \| good	1.324 \| good	0.165 \| good
2026-10-22T18:00:00.000Z	38 \| good	6.663 \| good	29.926 \| good	37.114 \| good	1.169 \| good	1.348 \| good	0.166 \| good
2026-10-22T19:00:00.000Z	38 \| good	6.765 \| good	30 \| good	39.894 \| good	1.107 \| good	1.447 \| good	0.166 \| good
2026-10-22T20:00:00.000Z	41 \| good	6.455 \| good	28.657 \| good	44.153 \| good	0.95 \| good	1.59 \| good	0.166 \| good
2026-10-22T21:00:00.000Z	38 \| good	7.048 \| good	31.315 \| good	39.635 \| good	0.78 \| good	1.806 \| good	0.166 \| good
2026-10-22T22:00:00.000Z	38 \| good	6.942 \| good	30.838 \| good	32.366 \| good	0.668 \| good	2.21 \| good	0.169 \| good
2026-10-22T23:00:00.000Z	38 \| good	6.69 \| good	29.556 \| good	30.653 \| good	0.579 \| good	2.43 \| good	0.172 \| good
2026-10-23T00:00:00.000Z	44 \| good	7.504 \| good	32.899 \| good	21.588 \| good	0.487 \| good	2.191 \| good	0.171 \| good
2026-10-23T01:00:00.000Z	38 \| good	7.074 \| good	31.437 \| good	17.958 \| good	0.389 \| good	1.675 \| good	0.166 \| good
2026-10-23T02:00:00.000Z	38 \| good	6.843 \| good	29.98 \| good	16.697 \| good	0.309 \| good	1.253 \| good	0.161 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.637 \| good	29.468 \| good	16.252 \| good	0.244 \| good	0.961 \| good	0.155 \| good
2026-10-23T04:00:00.000Z	33 \| good	6.052 \| good	26.644 \| good	13.424 \| good	0.202 \| good	0.794 \| good	0.149 \| good
2026-10-23T05:00:00.000Z	27 \| good	5.267 \| good	22.616 \| good	10.033 \| good	0.192 \| good	0.718 \| good	0.144 \| good
2026-10-23T06:00:00.000Z	33 \| good	5.573 \| good	24.69 \| good	9.78 \| good	0.221 \| good	0.696 \| good	0.14 \| good
2026-10-23T07:00:00.000Z	27 \| good	5.462 \| good	23.733 \| good	9.904 \| good	0.265 \| good	0.757 \| good	0.139 \| good
2026-10-23T08:00:00.000Z	27 \| good	4.66 \| good	20.12 \| good	9.44 \| good	0.295 \| good	0.895 \| good	0.14 \| good
2026-10-23T09:00:00.000Z	27 \| good	4.529 \| good	19.775 \| good	5.017 \| good	0.305 \| good	1.076 \| good	0.142 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.317 \| good	18.881 \| good	2.09 \| good	0.302 \| good	1.352 \| good	0.144 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.227 \| good	18.478 \| good	2.133 \| good	0.307 \| good	1.796 \| good	0.149 \| good
2026-10-23T12:00:00.000Z	22 \| good	4.091 \| good	17.927 \| good	2.097 \| good	0.317 \| good	2.515 \| good	0.157 \| good
2026-10-23T13:00:00.000Z	16 \| good	3.066 \| good	13.299 \| good	4.903 \| good	0.307 \| good	1.832 \| good	0.155 \| good
2026-10-23T14:00:00.000Z	16 \| good	3.494 \| good	15.432 \| good	9.392 \| good	0.328 \| good	1.191 \| good	0.149 \| good
2026-10-23T15:00:00.000Z	16 \| good	3.082 \| good	13.478 \| good	15.249 \| good	0.369 \| good	0.845 \| good	0.144 \| good
2026-10-23T16:00:00.000Z	20 \| good	2.169 \| good	8.851 \| good	22.47 \| good	0.367 \| good	0.64 \| good	0.14 \| good
2026-10-23T17:00:00.000Z	27 \| good	2.104 \| good	8.597 \| good	28.535 \| good	0.352 \| good	0.522 \| good	0.136 \| good
2026-10-23T18:00:00.000Z	32 \| good	1.716 \| good	7.316 \| good	35.05 \| good	0.34 \| good	0.459 \| good	0.134 \| good
2026-10-23T19:00:00.000Z	35 \| good	1.367 \| good	5.555 \| good	37.751 \| good	0.334 \| good	0.449 \| good	0.133 \| good
2026-10-23T20:00:00.000Z	36 \| good	1.347 \| good	5.527 \| good	38.577 \| good	0.33 \| good	0.514 \| good	0.133 \| good
2026-10-23T21:00:00.000Z	33 \| good	1.94 \| good	8.003 \| good	36.155 \| good	0.328 \| good	0.682 \| good	0.134 \| good
2026-10-23T22:00:00.000Z	27 \| good	3.344 \| good	14.407 \| good	28.654 \| good	0.329 \| good	2.797 \| good	0.156 \| good
2026-10-23T23:00:00.000Z	16 \| good	3.429 \| good	14.793 \| good	17.073 \| good	0.364 \| good	5.72 \| good	0.185 \| good
2026-10-24T00:00:00.000Z	27 \| good	5.157 \| good	22.212 \| good	6.729 \| good	0.398 \| good	7.425 \| good	0.204 \| good
2026-10-24T01:00:00.000Z	27 \| good	5.154 \| good	22.348 \| good	5.233 \| good	0.421 \| good	7.88 \| good	0.209 \| good
2026-10-24T02:00:00.000Z	27 \| good	4.564 \| good	19.689 \| good	5.825 \| good	0.432 \| good	7.981 \| good	0.21 \| good

Live air quality index in Williamsport, Pennsylvania today

Major air pollutants in Williamsport, Pennsylvania

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Williamsport, Pennsylvania air quality map: Stay updated on AQI near you

Air quality in nearby cities

Loyalsock, Pennsylvania

Washington Township, Pennsylvania

Newberry, Pennsylvania

Marshall, Pennsylvania

Antrim, Pennsylvania

Bloomsburg, Pennsylvania

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What is the nitrogen dioxide (NO2) level in Williamsport, Pennsylvania at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Williamsport, Pennsylvania at the moment?

What is the PM₁₀ level in Williamsport, Pennsylvania at the moment?

What is the sulfur dioxide (SO₂) level in Williamsport, Pennsylvania at the moment?

What is the ozone (O₃) level in Williamsport, Pennsylvania at the moment?

What is the nitrogen dioxide (NO₂) level in Williamsport, Pennsylvania at the moment?