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

Currently, Williamsport, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.472 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 39.865 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 2.869 ppb.

Live air quality index in Williamsport, Pennsylvania today

Name: Live air pollution levels in Williamsport, Pennsylvania today
Creator: Ambee

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)

5.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.13 μg/m³

155

255

425

605+

Ozone (O₃)

29.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.20 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.17 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-31T03:00:00.000Z	52 \| moderate	9.813 \| good	43.694 \| good	31.062 \| good	0.341 \| good	4.306 \| good	0.263 \| good
2025-07-31T04:00:00.000Z	44 \| good	8.243 \| good	26.917 \| good	30.092 \| good	0.347 \| good	6.671 \| good	0.263 \| good
2025-07-31T05:00:00.000Z	63 \| moderate	10.937 \| good	79.41 \| fine	33.888 \| good	0.44 \| good	9.46 \| good	0.262 \| good
2025-07-31T06:00:00.000Z	54 \| moderate	10.873 \| good	46.377 \| good	24.048 \| good	0.285 \| good	6.214 \| good	0.262 \| good
2025-07-31T07:00:00.000Z	73 \| moderate	21.369 \| fine	73.526 \| fine	24.06 \| good	0.287 \| good	3.246 \| good	0.242 \| good
2025-07-31T08:00:00.000Z	49 \| good	8.88 \| good	49.531 \| good	15.154 \| good	0.393 \| good	3.165 \| good	0.243 \| good
2025-07-31T09:00:00.000Z	64 \| moderate	16.351 \| fine	81.037 \| fine	13.133 \| good	0.285 \| good	3.016 \| good	0.243 \| good
2025-07-31T10:00:00.000Z	52 \| moderate	9.774 \| good	48.154 \| good	8.301 \| good	0.334 \| good	2.537 \| good	0.264 \| good
2025-07-31T11:00:00.000Z	56 \| moderate	12.374 \| fine	54.737 \| good	9.323 \| good	0.259 \| good	2.774 \| good	0.265 \| good
2025-07-31T12:00:00.000Z	58 \| moderate	12.978 \| fine	56.562 \| fine	11.241 \| good	0.249 \| good	2.804 \| good	0.305 \| good
2025-07-31T13:00:00.000Z	67 \| moderate	17.764 \| fine	46.142 \| good	20.077 \| good	0.227 \| good	4.507 \| good	0.343 \| good
2025-07-31T14:00:00.000Z	56 \| moderate	11.855 \| good	45.468 \| good	24.014 \| good	0.225 \| good	6.192 \| good	0.384 \| good
2025-07-31T15:00:00.000Z	57 \| moderate	11.595 \| good	67.799 \| fine	23.084 \| good	0.222 \| good	7.2 \| good	0.322 \| good
2025-07-31T16:00:00.000Z	56 \| moderate	12.243 \| fine	62.405 \| fine	23.145 \| good	0.771 \| good	7.331 \| good	0.283 \| good
2025-07-31T17:00:00.000Z	62 \| moderate	15.036 \| fine	62.564 \| fine	23.185 \| good	1.072 \| good	6.194 \| good	0.263 \| good
2025-07-31T18:00:00.000Z	69 \| moderate	18.734 \| fine	74.813 \| fine	24.183 \| good	0.21 \| good	6.318 \| good	0.241 \| good
2025-07-31T19:00:00.000Z	75 \| moderate	21.908 \| fine	55.105 \| fine	25.17 \| good	0.626 \| good	3.798 \| good	0.262 \| good
2025-07-31T20:00:00.000Z	71 \| moderate	19.731 \| fine	69.555 \| fine	24.163 \| good	0.306 \| good	3.543 \| good	0.262 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	17.893 \| fine	67.024 \| fine	24.148 \| good	0.263 \| good	4.931 \| good	0.261 \| good
2025-07-31T22:00:00.000Z	77 \| moderate	21.546 \| fine	107.06 \| fine	24.11 \| good	0.242 \| good	4.149 \| good	0.241 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.562 \| fine	56.741 \| fine	14.223 \| good	0.278 \| good	1.802 \| good	0.241 \| good
2025-08-01T00:00:00.000Z	66 \| moderate	13.28 \| fine	85.686 \| fine	24.008 \| good	0.228 \| good	3.881 \| good	0.28 \| good
2025-08-01T01:00:00.000Z	57 \| moderate	10.002 \| good	68.166 \| fine	23.976 \| good	0.233 \| good	4.337 \| good	0.28 \| good
2025-08-01T02:00:00.000Z	44 \| good	8.425 \| good	47.391 \| good	25.914 \| good	0.196 \| good	4.735 \| good	0.319 \| good
2025-08-01T03:00:00.000Z	58 \| moderate	9.006 \| good	70.389 \| fine	25.894 \| good	0.227 \| good	6.064 \| good	0.301 \| good
2025-08-01T04:00:00.000Z	44 \| good	8.361 \| good	45.037 \| good	25.861 \| good	0.224 \| good	6.101 \| good	0.301 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	11.048 \| good	38.227 \| good	25.881 \| good	0.255 \| good	7.225 \| good	0.3 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.691 \| good	37.166 \| good	24.855 \| good	0.3 \| good	5.379 \| good	0.3 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.416 \| good	20.154 \| good	24.841 \| good	0.224 \| good	4.267 \| good	0.32 \| good
2025-08-01T08:00:00.000Z	52 \| moderate	10.322 \| good	49.553 \| good	22.841 \| good	0.221 \| good	5.151 \| good	0.301 \| good
2025-08-01T09:00:00.000Z	52 \| moderate	9.535 \| good	43.873 \| good	21.896 \| good	0.219 \| good	5.475 \| good	0.281 \| good
2025-08-01T10:00:00.000Z	74 \| moderate	7.76 \| good	102.183 \| fine	19.935 \| good	0.203 \| good	5.78 \| good	0.262 \| good
2025-08-01T11:00:00.000Z	56 \| moderate	12.406 \| fine	57.434 \| fine	19.028 \| good	0.221 \| good	6.589 \| good	0.282 \| good
2025-08-01T12:00:00.000Z	38 \| good	6.593 \| good	20.999 \| good	18.051 \| good	0.203 \| good	5.77 \| good	0.281 \| good
2025-08-01T13:00:00.000Z	52 \| moderate	9.566 \| good	41.863 \| good	18.019 \| good	0.181 \| good	5.126 \| good	0.241 \| good
2025-08-01T14:00:00.000Z	52 \| moderate	9.848 \| good	38.606 \| good	18.012 \| good	0.218 \| good	5.236 \| good	0.24 \| good
2025-08-01T15:00:00.000Z	33 \| good	6.227 \| good	27.236 \| good	18.09 \| good	0.199 \| good	4.136 \| good	0.281 \| good
2025-08-01T16:00:00.000Z	33 \| good	6.021 \| good	35.071 \| good	18.112 \| good	0.198 \| good	4.086 \| good	0.261 \| good
2025-08-01T17:00:00.000Z	38 \| good	6.76 \| good	24.518 \| good	25.909 \| good	0.197 \| good	3.682 \| good	0.261 \| good
2025-08-01T18:00:00.000Z	33 \| good	5.581 \| good	24.456 \| good	26.984 \| good	0.197 \| good	3.993 \| good	0.261 \| good
2025-08-01T19:00:00.000Z	33 \| good	6.329 \| good	19.683 \| good	29.958 \| good	0.231 \| good	3.792 \| good	0.282 \| good
2025-08-01T20:00:00.000Z	38 \| good	7.186 \| good	22.033 \| good	30.981 \| good	0.223 \| good	3.42 \| good	0.261 \| good
2025-08-01T21:00:00.000Z	33 \| good	5.983 \| good	23.001 \| good	32.953 \| good	0.256 \| good	3.431 \| good	0.261 \| good
2025-08-01T22:00:00.000Z	38 \| good	6.478 \| good	41.037 \| good	33.935 \| good	0.381 \| good	3.306 \| good	0.282 \| good
2025-08-01T23:00:00.000Z	33 \| good	5.564 \| good	27.937 \| good	31.964 \| good	0.396 \| good	1.251 \| good	0.261 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.967 \| good	28.861 \| good	31.956 \| good	0.188 \| good	1.331 \| good	0.24 \| good
2025-08-02T01:00:00.000Z	33 \| good	5.714 \| good	36.135 \| good	29.984 \| good	0.197 \| good	2.175 \| good	0.259 \| good
2025-08-02T02:00:00.000Z	33 \| good	5.714 \| good	36.135 \| good	29.984 \| good	0.197 \| good	2.175 \| good	0.259 \| good
2025-07-25T21:00:00.000Z	44 \| good	7.748 \| good	34.181 \| good	37.888 \| good	0.156 \| good	0.555 \| good	0.145 \| good
2025-07-25T22:00:00.000Z	38 \| good	7.191 \| good	31.464 \| good	39.973 \| good	0.174 \| good	0.838 \| good	0.144 \| good
2025-07-25T23:00:00.000Z	38 \| good	6.238 \| good	27.701 \| good	41.109 \| good	0.191 \| good	1.121 \| good	0.143 \| good
2025-07-26T00:00:00.000Z	30 \| good	4.716 \| good	20.388 \| good	31.751 \| good	0.209 \| good	1.404 \| good	0.142 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.414 \| good	14.936 \| good	28.745 \| good	0.217 \| good	1.998 \| good	0.15 \| good
2025-07-26T02:00:00.000Z	21 \| good	3.39 \| good	15.071 \| good	23.103 \| good	0.225 \| good	2.592 \| good	0.157 \| good
2025-07-26T03:00:00.000Z	22 \| good	4.403 \| good	19 \| good	22.294 \| good	0.233 \| good	3.186 \| good	0.165 \| good
2025-07-26T04:00:00.000Z	33 \| good	5.587 \| good	23.865 \| good	19.827 \| good	0.25 \| good	3.719 \| good	0.174 \| good
2025-07-26T05:00:00.000Z	33 \| good	6.213 \| good	27.81 \| good	18.927 \| good	0.267 \| good	4.252 \| good	0.184 \| good
2025-07-26T06:00:00.000Z	38 \| good	7.403 \| good	32.843 \| good	18.437 \| good	0.284 \| good	4.785 \| good	0.193 \| good
2025-07-26T07:00:00.000Z	33 \| good	6.11 \| good	26.977 \| good	18.067 \| good	0.28 \| good	5.14 \| good	0.199 \| good
2025-07-26T08:00:00.000Z	38 \| good	6.579 \| good	29.465 \| good	15.616 \| good	0.276 \| good	5.495 \| good	0.206 \| good
2025-07-26T09:00:00.000Z	33 \| good	5.771 \| good	24.853 \| good	14.69 \| good	0.271 \| good	5.85 \| good	0.212 \| good
2025-07-26T10:00:00.000Z	38 \| good	6.704 \| good	29.855 \| good	16.988 \| good	0.274 \| good	4.886 \| good	0.214 \| good
2025-07-26T11:00:00.000Z	38 \| good	6.701 \| good	30 \| good	18.837 \| good	0.277 \| good	3.923 \| good	0.215 \| good
2025-07-26T12:00:00.000Z	49 \| good	8.754 \| good	38.195 \| good	21.484 \| good	0.279 \| good	2.959 \| good	0.216 \| good
2025-07-26T13:00:00.000Z	52 \| moderate	10.064 \| good	44.581 \| good	21.973 \| good	0.497 \| good	2.212 \| good	0.221 \| good
2025-07-26T14:00:00.000Z	56 \| moderate	11.607 \| good	51.06 \| good	24.826 \| good	0.714 \| good	1.466 \| good	0.226 \| good
2025-07-26T15:00:00.000Z	56 \| moderate	12.326 \| fine	55.806 \| fine	39.71 \| good	0.931 \| good	0.72 \| good	0.231 \| good
2025-07-26T16:00:00.000Z	56 \| moderate	12.223 \| fine	54.909 \| good	42.458 \| good	0.998 \| good	0.654 \| good	0.221 \| good
2025-07-26T17:00:00.000Z	56 \| moderate	12.16 \| fine	54.705 \| good	42.49 \| good	1.065 \| good	0.588 \| good	0.211 \| good
2025-07-26T18:00:00.000Z	52 \| moderate	10.495 \| good	46.294 \| good	36.43 \| good	1.131 \| good	0.522 \| good	0.2 \| good
2025-07-26T19:00:00.000Z	56 \| moderate	11.998 \| good	53.587 \| good	32.674 \| good	1.058 \| good	0.584 \| good	0.19 \| good
2025-07-26T20:00:00.000Z	56 \| moderate	11.56 \| good	51.108 \| good	30.717 \| good	0.984 \| good	0.646 \| good	0.18 \| good
2025-07-26T21:00:00.000Z	49 \| good	9.126 \| good	41 \| good	32.247 \| good	0.91 \| good	0.708 \| good	0.169 \| good
2025-07-26T22:00:00.000Z	52 \| moderate	10.304 \| good	45.451 \| good	28.543 \| good	0.88 \| good	1.176 \| good	0.172 \| good
2025-07-26T23:00:00.000Z	52 \| moderate	9.575 \| good	42.668 \| good	28.04 \| good	0.85 \| good	1.644 \| good	0.174 \| good
2025-07-27T00:00:00.000Z	44 \| good	7.947 \| good	34.767 \| good	30.46 \| good	0.819 \| good	2.112 \| good	0.176 \| good
2025-07-27T01:00:00.000Z	38 \| good	7.367 \| good	32.439 \| good	29.47 \| good	0.883 \| good	2.934 \| good	0.188 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.517 \| good	33.129 \| good	30.013 \| good	0.947 \| good	3.756 \| good	0.199 \| good
2025-07-27T03:00:00.000Z	38 \| good	6.507 \| good	29.074 \| good	37.741 \| good	1.012 \| good	4.578 \| good	0.211 \| good
2025-07-27T04:00:00.000Z	38 \| good	7.39 \| good	32.601 \| good	37.429 \| good	1.198 \| good	4.285 \| good	0.21 \| good
2025-07-27T05:00:00.000Z	44 \| good	7.654 \| good	33.556 \| good	34.905 \| good	1.384 \| good	3.992 \| good	0.21 \| good
2025-07-27T06:00:00.000Z	38 \| good	7.478 \| good	32.779 \| good	34.334 \| good	1.57 \| good	3.699 \| good	0.21 \| good
2025-07-27T07:00:00.000Z	38 \| good	7.381 \| good	32.566 \| good	31.778 \| good	1.612 \| good	3.217 \| good	0.202 \| good
2025-07-27T08:00:00.000Z	44 \| good	7.916 \| good	34.715 \| good	29.569 \| good	1.654 \| good	2.734 \| good	0.195 \| good
2025-07-27T09:00:00.000Z	38 \| good	7.106 \| good	31.355 \| good	26.182 \| good	1.697 \| good	2.251 \| good	0.188 \| good
2025-07-27T10:00:00.000Z	44 \| good	7.552 \| good	33.249 \| good	23.769 \| good	1.609 \| good	2.155 \| good	0.187 \| good
2025-07-27T11:00:00.000Z	38 \| good	7.178 \| good	31.67 \| good	25.161 \| good	1.521 \| good	2.058 \| good	0.186 \| good
2025-07-27T12:00:00.000Z	38 \| good	7.24 \| good	31.805 \| good	32.087 \| good	1.433 \| good	1.962 \| good	0.185 \| good
2025-07-27T13:00:00.000Z	38 \| good	7.057 \| good	31.033 \| good	34.268 \| good	1.623 \| good	1.691 \| good	0.192 \| good
2025-07-27T14:00:00.000Z	33 \| good	6.139 \| good	27.014 \| good	34.382 \| good	1.813 \| good	1.42 \| good	0.198 \| good
2025-07-27T15:00:00.000Z	33 \| good	6.198 \| good	27.627 \| good	31.662 \| good	2.003 \| good	1.148 \| good	0.205 \| good
2025-07-27T16:00:00.000Z	33 \| good	6.16 \| good	27.329 \| good	30.455 \| good	1.565 \| good	0.97 \| good	0.202 \| good
2025-07-27T17:00:00.000Z	38 \| good	6.919 \| good	30.627 \| good	37.534 \| good	1.127 \| good	0.792 \| good	0.2 \| good
2025-07-27T18:00:00.000Z	45 \| good	7.015 \| good	31.21 \| good	49.369 \| good	0.689 \| good	0.613 \| good	0.197 \| good
2025-07-27T19:00:00.000Z	46 \| good	5.429 \| good	23.027 \| good	50.156 \| good	0.527 \| good	0.679 \| good	0.192 \| good
2025-07-27T20:00:00.000Z	46 \| good	5.553 \| good	23.672 \| good	49.611 \| good	0.364 \| good	0.745 \| good	0.188 \| good

Williamsport

Get reliable air quality data to drive your business

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

0.32ppm

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 04:00:00 on 2025-07-25.

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 07:00:00 on 2025-07-25.

What is the AQI in Williamsport, Pennsylvania right now?

As of now, the AQI in Williamsport, Pennsylvania is 38, 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 7.184 μg/m³.

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

The PM₁₀ concentration in Williamsport, Pennsylvania is 35.548 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 0.202 ppm.

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

Currently, Williamsport, Pennsylvania has a sulfur dioxide (SO₂) concentration of 0.472 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 39.865 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 2.869 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-31T03:00:00.000Z	52 \| moderate	9.813 \| good	43.694 \| good	31.062 \| good	0.341 \| good	4.306 \| good	0.263 \| good
2025-07-31T04:00:00.000Z	44 \| good	8.243 \| good	26.917 \| good	30.092 \| good	0.347 \| good	6.671 \| good	0.263 \| good
2025-07-31T05:00:00.000Z	63 \| moderate	10.937 \| good	79.41 \| fine	33.888 \| good	0.44 \| good	9.46 \| good	0.262 \| good
2025-07-31T06:00:00.000Z	54 \| moderate	10.873 \| good	46.377 \| good	24.048 \| good	0.285 \| good	6.214 \| good	0.262 \| good
2025-07-31T07:00:00.000Z	73 \| moderate	21.369 \| fine	73.526 \| fine	24.06 \| good	0.287 \| good	3.246 \| good	0.242 \| good
2025-07-31T08:00:00.000Z	49 \| good	8.88 \| good	49.531 \| good	15.154 \| good	0.393 \| good	3.165 \| good	0.243 \| good
2025-07-31T09:00:00.000Z	64 \| moderate	16.351 \| fine	81.037 \| fine	13.133 \| good	0.285 \| good	3.016 \| good	0.243 \| good
2025-07-31T10:00:00.000Z	52 \| moderate	9.774 \| good	48.154 \| good	8.301 \| good	0.334 \| good	2.537 \| good	0.264 \| good
2025-07-31T11:00:00.000Z	56 \| moderate	12.374 \| fine	54.737 \| good	9.323 \| good	0.259 \| good	2.774 \| good	0.265 \| good
2025-07-31T12:00:00.000Z	58 \| moderate	12.978 \| fine	56.562 \| fine	11.241 \| good	0.249 \| good	2.804 \| good	0.305 \| good
2025-07-31T13:00:00.000Z	67 \| moderate	17.764 \| fine	46.142 \| good	20.077 \| good	0.227 \| good	4.507 \| good	0.343 \| good
2025-07-31T14:00:00.000Z	56 \| moderate	11.855 \| good	45.468 \| good	24.014 \| good	0.225 \| good	6.192 \| good	0.384 \| good
2025-07-31T15:00:00.000Z	57 \| moderate	11.595 \| good	67.799 \| fine	23.084 \| good	0.222 \| good	7.2 \| good	0.322 \| good
2025-07-31T16:00:00.000Z	56 \| moderate	12.243 \| fine	62.405 \| fine	23.145 \| good	0.771 \| good	7.331 \| good	0.283 \| good
2025-07-31T17:00:00.000Z	62 \| moderate	15.036 \| fine	62.564 \| fine	23.185 \| good	1.072 \| good	6.194 \| good	0.263 \| good
2025-07-31T18:00:00.000Z	69 \| moderate	18.734 \| fine	74.813 \| fine	24.183 \| good	0.21 \| good	6.318 \| good	0.241 \| good
2025-07-31T19:00:00.000Z	75 \| moderate	21.908 \| fine	55.105 \| fine	25.17 \| good	0.626 \| good	3.798 \| good	0.262 \| good
2025-07-31T20:00:00.000Z	71 \| moderate	19.731 \| fine	69.555 \| fine	24.163 \| good	0.306 \| good	3.543 \| good	0.262 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	17.893 \| fine	67.024 \| fine	24.148 \| good	0.263 \| good	4.931 \| good	0.261 \| good
2025-07-31T22:00:00.000Z	77 \| moderate	21.546 \| fine	107.06 \| fine	24.11 \| good	0.242 \| good	4.149 \| good	0.241 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	12.562 \| fine	56.741 \| fine	14.223 \| good	0.278 \| good	1.802 \| good	0.241 \| good
2025-08-01T00:00:00.000Z	66 \| moderate	13.28 \| fine	85.686 \| fine	24.008 \| good	0.228 \| good	3.881 \| good	0.28 \| good
2025-08-01T01:00:00.000Z	57 \| moderate	10.002 \| good	68.166 \| fine	23.976 \| good	0.233 \| good	4.337 \| good	0.28 \| good
2025-08-01T02:00:00.000Z	44 \| good	8.425 \| good	47.391 \| good	25.914 \| good	0.196 \| good	4.735 \| good	0.319 \| good
2025-08-01T03:00:00.000Z	58 \| moderate	9.006 \| good	70.389 \| fine	25.894 \| good	0.227 \| good	6.064 \| good	0.301 \| good
2025-08-01T04:00:00.000Z	44 \| good	8.361 \| good	45.037 \| good	25.861 \| good	0.224 \| good	6.101 \| good	0.301 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	11.048 \| good	38.227 \| good	25.881 \| good	0.255 \| good	7.225 \| good	0.3 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.691 \| good	37.166 \| good	24.855 \| good	0.3 \| good	5.379 \| good	0.3 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.416 \| good	20.154 \| good	24.841 \| good	0.224 \| good	4.267 \| good	0.32 \| good
2025-08-01T08:00:00.000Z	52 \| moderate	10.322 \| good	49.553 \| good	22.841 \| good	0.221 \| good	5.151 \| good	0.301 \| good
2025-08-01T09:00:00.000Z	52 \| moderate	9.535 \| good	43.873 \| good	21.896 \| good	0.219 \| good	5.475 \| good	0.281 \| good
2025-08-01T10:00:00.000Z	74 \| moderate	7.76 \| good	102.183 \| fine	19.935 \| good	0.203 \| good	5.78 \| good	0.262 \| good
2025-08-01T11:00:00.000Z	56 \| moderate	12.406 \| fine	57.434 \| fine	19.028 \| good	0.221 \| good	6.589 \| good	0.282 \| good
2025-08-01T12:00:00.000Z	38 \| good	6.593 \| good	20.999 \| good	18.051 \| good	0.203 \| good	5.77 \| good	0.281 \| good
2025-08-01T13:00:00.000Z	52 \| moderate	9.566 \| good	41.863 \| good	18.019 \| good	0.181 \| good	5.126 \| good	0.241 \| good
2025-08-01T14:00:00.000Z	52 \| moderate	9.848 \| good	38.606 \| good	18.012 \| good	0.218 \| good	5.236 \| good	0.24 \| good
2025-08-01T15:00:00.000Z	33 \| good	6.227 \| good	27.236 \| good	18.09 \| good	0.199 \| good	4.136 \| good	0.281 \| good
2025-08-01T16:00:00.000Z	33 \| good	6.021 \| good	35.071 \| good	18.112 \| good	0.198 \| good	4.086 \| good	0.261 \| good
2025-08-01T17:00:00.000Z	38 \| good	6.76 \| good	24.518 \| good	25.909 \| good	0.197 \| good	3.682 \| good	0.261 \| good
2025-08-01T18:00:00.000Z	33 \| good	5.581 \| good	24.456 \| good	26.984 \| good	0.197 \| good	3.993 \| good	0.261 \| good
2025-08-01T19:00:00.000Z	33 \| good	6.329 \| good	19.683 \| good	29.958 \| good	0.231 \| good	3.792 \| good	0.282 \| good
2025-08-01T20:00:00.000Z	38 \| good	7.186 \| good	22.033 \| good	30.981 \| good	0.223 \| good	3.42 \| good	0.261 \| good
2025-08-01T21:00:00.000Z	33 \| good	5.983 \| good	23.001 \| good	32.953 \| good	0.256 \| good	3.431 \| good	0.261 \| good
2025-08-01T22:00:00.000Z	38 \| good	6.478 \| good	41.037 \| good	33.935 \| good	0.381 \| good	3.306 \| good	0.282 \| good
2025-08-01T23:00:00.000Z	33 \| good	5.564 \| good	27.937 \| good	31.964 \| good	0.396 \| good	1.251 \| good	0.261 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.967 \| good	28.861 \| good	31.956 \| good	0.188 \| good	1.331 \| good	0.24 \| good
2025-08-02T01:00:00.000Z	33 \| good	5.714 \| good	36.135 \| good	29.984 \| good	0.197 \| good	2.175 \| good	0.259 \| good
2025-08-02T02:00:00.000Z	33 \| good	5.714 \| good	36.135 \| good	29.984 \| good	0.197 \| good	2.175 \| good	0.259 \| good
2025-07-25T21:00:00.000Z	44 \| good	7.748 \| good	34.181 \| good	37.888 \| good	0.156 \| good	0.555 \| good	0.145 \| good
2025-07-25T22:00:00.000Z	38 \| good	7.191 \| good	31.464 \| good	39.973 \| good	0.174 \| good	0.838 \| good	0.144 \| good
2025-07-25T23:00:00.000Z	38 \| good	6.238 \| good	27.701 \| good	41.109 \| good	0.191 \| good	1.121 \| good	0.143 \| good
2025-07-26T00:00:00.000Z	30 \| good	4.716 \| good	20.388 \| good	31.751 \| good	0.209 \| good	1.404 \| good	0.142 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.414 \| good	14.936 \| good	28.745 \| good	0.217 \| good	1.998 \| good	0.15 \| good
2025-07-26T02:00:00.000Z	21 \| good	3.39 \| good	15.071 \| good	23.103 \| good	0.225 \| good	2.592 \| good	0.157 \| good
2025-07-26T03:00:00.000Z	22 \| good	4.403 \| good	19 \| good	22.294 \| good	0.233 \| good	3.186 \| good	0.165 \| good
2025-07-26T04:00:00.000Z	33 \| good	5.587 \| good	23.865 \| good	19.827 \| good	0.25 \| good	3.719 \| good	0.174 \| good
2025-07-26T05:00:00.000Z	33 \| good	6.213 \| good	27.81 \| good	18.927 \| good	0.267 \| good	4.252 \| good	0.184 \| good
2025-07-26T06:00:00.000Z	38 \| good	7.403 \| good	32.843 \| good	18.437 \| good	0.284 \| good	4.785 \| good	0.193 \| good
2025-07-26T07:00:00.000Z	33 \| good	6.11 \| good	26.977 \| good	18.067 \| good	0.28 \| good	5.14 \| good	0.199 \| good
2025-07-26T08:00:00.000Z	38 \| good	6.579 \| good	29.465 \| good	15.616 \| good	0.276 \| good	5.495 \| good	0.206 \| good
2025-07-26T09:00:00.000Z	33 \| good	5.771 \| good	24.853 \| good	14.69 \| good	0.271 \| good	5.85 \| good	0.212 \| good
2025-07-26T10:00:00.000Z	38 \| good	6.704 \| good	29.855 \| good	16.988 \| good	0.274 \| good	4.886 \| good	0.214 \| good
2025-07-26T11:00:00.000Z	38 \| good	6.701 \| good	30 \| good	18.837 \| good	0.277 \| good	3.923 \| good	0.215 \| good
2025-07-26T12:00:00.000Z	49 \| good	8.754 \| good	38.195 \| good	21.484 \| good	0.279 \| good	2.959 \| good	0.216 \| good
2025-07-26T13:00:00.000Z	52 \| moderate	10.064 \| good	44.581 \| good	21.973 \| good	0.497 \| good	2.212 \| good	0.221 \| good
2025-07-26T14:00:00.000Z	56 \| moderate	11.607 \| good	51.06 \| good	24.826 \| good	0.714 \| good	1.466 \| good	0.226 \| good
2025-07-26T15:00:00.000Z	56 \| moderate	12.326 \| fine	55.806 \| fine	39.71 \| good	0.931 \| good	0.72 \| good	0.231 \| good
2025-07-26T16:00:00.000Z	56 \| moderate	12.223 \| fine	54.909 \| good	42.458 \| good	0.998 \| good	0.654 \| good	0.221 \| good
2025-07-26T17:00:00.000Z	56 \| moderate	12.16 \| fine	54.705 \| good	42.49 \| good	1.065 \| good	0.588 \| good	0.211 \| good
2025-07-26T18:00:00.000Z	52 \| moderate	10.495 \| good	46.294 \| good	36.43 \| good	1.131 \| good	0.522 \| good	0.2 \| good
2025-07-26T19:00:00.000Z	56 \| moderate	11.998 \| good	53.587 \| good	32.674 \| good	1.058 \| good	0.584 \| good	0.19 \| good
2025-07-26T20:00:00.000Z	56 \| moderate	11.56 \| good	51.108 \| good	30.717 \| good	0.984 \| good	0.646 \| good	0.18 \| good
2025-07-26T21:00:00.000Z	49 \| good	9.126 \| good	41 \| good	32.247 \| good	0.91 \| good	0.708 \| good	0.169 \| good
2025-07-26T22:00:00.000Z	52 \| moderate	10.304 \| good	45.451 \| good	28.543 \| good	0.88 \| good	1.176 \| good	0.172 \| good
2025-07-26T23:00:00.000Z	52 \| moderate	9.575 \| good	42.668 \| good	28.04 \| good	0.85 \| good	1.644 \| good	0.174 \| good
2025-07-27T00:00:00.000Z	44 \| good	7.947 \| good	34.767 \| good	30.46 \| good	0.819 \| good	2.112 \| good	0.176 \| good
2025-07-27T01:00:00.000Z	38 \| good	7.367 \| good	32.439 \| good	29.47 \| good	0.883 \| good	2.934 \| good	0.188 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.517 \| good	33.129 \| good	30.013 \| good	0.947 \| good	3.756 \| good	0.199 \| good
2025-07-27T03:00:00.000Z	38 \| good	6.507 \| good	29.074 \| good	37.741 \| good	1.012 \| good	4.578 \| good	0.211 \| good
2025-07-27T04:00:00.000Z	38 \| good	7.39 \| good	32.601 \| good	37.429 \| good	1.198 \| good	4.285 \| good	0.21 \| good
2025-07-27T05:00:00.000Z	44 \| good	7.654 \| good	33.556 \| good	34.905 \| good	1.384 \| good	3.992 \| good	0.21 \| good
2025-07-27T06:00:00.000Z	38 \| good	7.478 \| good	32.779 \| good	34.334 \| good	1.57 \| good	3.699 \| good	0.21 \| good
2025-07-27T07:00:00.000Z	38 \| good	7.381 \| good	32.566 \| good	31.778 \| good	1.612 \| good	3.217 \| good	0.202 \| good
2025-07-27T08:00:00.000Z	44 \| good	7.916 \| good	34.715 \| good	29.569 \| good	1.654 \| good	2.734 \| good	0.195 \| good
2025-07-27T09:00:00.000Z	38 \| good	7.106 \| good	31.355 \| good	26.182 \| good	1.697 \| good	2.251 \| good	0.188 \| good
2025-07-27T10:00:00.000Z	44 \| good	7.552 \| good	33.249 \| good	23.769 \| good	1.609 \| good	2.155 \| good	0.187 \| good
2025-07-27T11:00:00.000Z	38 \| good	7.178 \| good	31.67 \| good	25.161 \| good	1.521 \| good	2.058 \| good	0.186 \| good
2025-07-27T12:00:00.000Z	38 \| good	7.24 \| good	31.805 \| good	32.087 \| good	1.433 \| good	1.962 \| good	0.185 \| good
2025-07-27T13:00:00.000Z	38 \| good	7.057 \| good	31.033 \| good	34.268 \| good	1.623 \| good	1.691 \| good	0.192 \| good
2025-07-27T14:00:00.000Z	33 \| good	6.139 \| good	27.014 \| good	34.382 \| good	1.813 \| good	1.42 \| good	0.198 \| good
2025-07-27T15:00:00.000Z	33 \| good	6.198 \| good	27.627 \| good	31.662 \| good	2.003 \| good	1.148 \| good	0.205 \| good
2025-07-27T16:00:00.000Z	33 \| good	6.16 \| good	27.329 \| good	30.455 \| good	1.565 \| good	0.97 \| good	0.202 \| good
2025-07-27T17:00:00.000Z	38 \| good	6.919 \| good	30.627 \| good	37.534 \| good	1.127 \| good	0.792 \| good	0.2 \| good
2025-07-27T18:00:00.000Z	45 \| good	7.015 \| good	31.21 \| good	49.369 \| good	0.689 \| good	0.613 \| good	0.197 \| good
2025-07-27T19:00:00.000Z	46 \| good	5.429 \| good	23.027 \| good	50.156 \| good	0.527 \| good	0.679 \| good	0.192 \| good
2025-07-27T20:00:00.000Z	46 \| good	5.553 \| good	23.672 \| good	49.611 \| good	0.364 \| good	0.745 \| good	0.188 \| 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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Air quality in nearby cities

Loyalsock, Pennsylvania

Washington Township, Pennsylvania

Marshall, Pennsylvania

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Antrim, Pennsylvania

Bloomsburg, Pennsylvania

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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