What is the sulfur dioxide (SO2) level in Port Townsend, Washington at the moment?

Currently, Port Townsend, Washington has a sulfur dioxide (SO2) concentration of 0.292 ppb.

What is the ozone (O3) level in Port Townsend, Washington at the moment?

The current ozone (O3) level in Port Townsend, Washington at the moment is 25.127 ppm.

What is the nitrogen dioxide (NO2) level in Port Townsend, Washington at the moment?

Nitrogen dioxide (NO2) level in Port Townsend, Washington at the moment is 2.127 ppb.

Live air quality index in Port Townsend, Washington today

Q: What is the PM2.5 level in Port Townsend, Washington at the moment?

PM2.5 levels in Port Townsend, Washington are currently 3.616 μg/m3.

Q: What is the PM10 level in Port Townsend, Washington at the moment?

The PM10 concentration in Port Townsend, Washington is 16.066 μg/m3 at the moment.

Stay updated with real-time air quality in Port Townsend, Washington 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

Port Townsend, Washington

Last updated: ... (Local time)

Major air pollutants in Port Townsend, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.62 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.07 μg/m³

155

255

425

605+

Ozone (O₃)

25.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.13 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Port Townsend, Washington

Get Live Pollen Counts

Port Townsend, Washington

Scroll To Air Quality Map

Track live Port Townsend, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-11T21:00:00.000Z	27 \| good	5.1 \| good	22 \| good	25.119 \| good	0.365 \| good	6.189 \| good	0.25 \| good
2026-09-11T22:00:00.000Z	29 \| good	5 \| good	22 \| good	31.161 \| good	0.402 \| good	4.803 \| good	0.225 \| good
2026-09-11T23:00:00.000Z	32 \| good	5 \| good	22 \| good	35.112 \| good	0.403 \| good	3.914 \| good	0.25 \| good
2026-09-12T00:00:00.000Z	31 \| good	4.9 \| good	21 \| good	34.117 \| good	0.36 \| good	2.132 \| good	0.25 \| good
2026-09-12T01:00:00.000Z	30 \| good	4.8 \| good	21 \| good	32.133 \| good	0.396 \| good	2.514 \| good	0.25 \| good
2026-09-12T02:00:00.000Z	31 \| good	4.8 \| good	21 \| good	33.227 \| good	0.423 \| good	4.429 \| good	0.26 \| good
2026-09-12T03:00:00.000Z	49 \| good	8.641 \| good	37.724 \| good	22.373 \| good	0.685 \| good	8.757 \| good	0.275 \| good
2026-09-12T04:00:00.000Z	27 \| good	4.9 \| good	21 \| good	25.499 \| good	0.395 \| good	14.089 \| good	0.332 \| good
2026-09-12T05:00:00.000Z	27 \| good	4.9 \| good	21 \| good	23.662 \| good	0.526 \| good	22.058 \| good	0.35 \| good
2026-09-12T06:00:00.000Z	29 \| good	5 \| good	22 \| good	21.16 \| good	0.946 \| good	31.408 \| good	0.35 \| good
2026-09-12T07:00:00.000Z	27 \| good	5 \| good	22 \| good	20.563 \| good	0.914 \| good	18.251 \| good	0.332 \| good
2026-09-12T08:00:00.000Z	27 \| good	5 \| good	22 \| good	15.047 \| good	0.459 \| good	13.409 \| good	0.319 \| good
2026-09-12T09:00:00.000Z	27 \| good	5 \| good	22 \| good	17.349 \| good	0.644 \| good	12.297 \| good	0.259 \| good
2026-09-12T10:00:00.000Z	27 \| good	5.1 \| good	22 \| good	15.501 \| good	0.443 \| good	9.527 \| good	0.259 \| good
2026-09-12T11:00:00.000Z	27 \| good	5.1 \| good	22 \| good	8.269 \| good	0.631 \| good	9.391 \| good	0.252 \| good
2026-09-12T12:00:00.000Z	27 \| good	5.2 \| good	23 \| good	5.384 \| good	0.479 \| good	8.403 \| good	0.252 \| good
2026-09-12T13:00:00.000Z	27 \| good	5.2 \| good	23 \| good	5.859 \| good	0.354 \| good	9.676 \| good	0.252 \| good
2026-09-12T14:00:00.000Z	27 \| good	5.1 \| good	22 \| good	8.065 \| good	0.436 \| good	8.861 \| good	0.299 \| good
2026-09-12T15:00:00.000Z	27 \| good	5 \| good	22 \| good	9.215 \| good	0.555 \| good	10.042 \| good	0.361 \| good
2026-09-12T16:00:00.000Z	27 \| good	5 \| good	22 \| good	11.939 \| good	0.504 \| good	7.476 \| good	0.319 \| good
2026-09-12T17:00:00.000Z	27 \| good	5 \| good	22 \| good	16.21 \| good	0.531 \| good	5.985 \| good	0.332 \| good
2026-09-12T18:00:00.000Z	27 \| good	5 \| good	22 \| good	19.164 \| good	0.629 \| good	9.293 \| good	0.307 \| good
2026-09-12T19:00:00.000Z	27 \| good	4.9 \| good	21 \| good	20.954 \| good	0.655 \| good	9.926 \| good	0.284 \| good
2026-09-12T20:00:00.000Z	27 \| good	4.9 \| good	21 \| good	26.323 \| good	0.631 \| good	10.46 \| good	0.284 \| good
2026-09-12T21:00:00.000Z	27 \| good	5 \| good	22 \| good	25.052 \| good	0.715 \| good	9.881 \| good	0.26 \| good
2026-09-12T22:00:00.000Z	27 \| good	5 \| good	22 \| good	27.07 \| good	0.59 \| good	11.101 \| good	0.284 \| good
2026-09-12T23:00:00.000Z	27 \| good	5 \| good	22 \| good	24.464 \| good	0.557 \| good	12.828 \| good	0.284 \| good
2026-09-13T00:00:00.000Z	27 \| good	5 \| good	22 \| good	27.372 \| good	0.2 \| good	5.955 \| good	0.284 \| good
2026-09-13T01:00:00.000Z	27 \| good	5 \| good	22 \| good	28.844 \| good	0.337 \| good	4.88 \| good	0.284 \| good
2026-09-13T02:00:00.000Z	27 \| good	5.1 \| good	22 \| good	28.915 \| good	0.32 \| good	6.173 \| good	0.292 \| good
2026-09-13T03:00:00.000Z	49 \| good	9.476 \| good	41.966 \| good	34.868 \| good	1.524 \| good	7.498 \| good	0.242 \| good
2026-09-13T04:00:00.000Z	32 \| good	5.2 \| good	23 \| good	34.649 \| good	0.368 \| good	14.939 \| good	0.297 \| good
2026-09-13T05:00:00.000Z	30 \| good	5.2 \| good	23 \| good	32.269 \| good	0.393 \| good	6.252 \| good	0.25 \| good
2026-09-13T06:00:00.000Z	27 \| good	5.2 \| good	23 \| good	24.977 \| good	0.346 \| good	7.003 \| good	0.242 \| good
2026-09-13T07:00:00.000Z	27 \| good	5.2 \| good	23 \| good	25.687 \| good	0.357 \| good	7.733 \| good	0.242 \| good
2026-09-13T08:00:00.000Z	27 \| good	5.2 \| good	23 \| good	23.118 \| good	0.845 \| good	7.113 \| good	0.235 \| good
2026-09-13T09:00:00.000Z	27 \| good	5.2 \| good	23 \| good	15.977 \| good	0.768 \| good	8.707 \| good	0.175 \| good
2026-09-13T10:00:00.000Z	27 \| good	4.9 \| good	21 \| good	19.537 \| good	0.466 \| good	6.602 \| good	0.175 \| good
2026-09-13T11:00:00.000Z	22 \| good	4.4 \| good	19 \| good	19.684 \| good	0.462 \| good	2.586 \| good	0.2 \| good
2026-09-13T12:00:00.000Z	22 \| good	4 \| good	18 \| good	15.806 \| good	0.577 \| good	3.298 \| good	0.217 \| good
2026-09-13T13:00:00.000Z	22 \| good	4 \| good	18 \| good	19.13 \| good	0.578 \| good	3.468 \| good	0.217 \| good
2026-09-13T14:00:00.000Z	22 \| good	3.8 \| good	17 \| good	23.322 \| good	0.42 \| good	4.07 \| good	0.217 \| good
2026-09-13T15:00:00.000Z	22 \| good	4 \| good	18 \| good	23.775 \| good	0.419 \| good	3.88 \| good	0.235 \| good
2026-09-13T16:00:00.000Z	23 \| good	4.1 \| good	18 \| good	24.625 \| good	0.422 \| good	5.313 \| good	0.235 \| good
2026-09-13T17:00:00.000Z	22 \| good	4 \| good	18 \| good	20.631 \| good	0.276 \| good	5.137 \| good	0.26 \| good
2026-09-13T18:00:00.000Z	22 \| good	3.8 \| good	17 \| good	22.484 \| good	0.292 \| good	3.163 \| good	0.242 \| good
2026-09-13T19:00:00.000Z	22 \| good	3.7 \| good	16 \| good	23.247 \| good	0.296 \| good	4.102 \| good	0.225 \| good
2026-09-13T20:00:00.000Z	23 \| good	3.6 \| good	16 \| good	25.122 \| good	0.292 \| good	2.12 \| good	0.225 \| good
2026-09-13T20:00:00.000Z	23 \| good	3.616 \| good	16.066 \| good	25.127 \| good	0.292 \| good	2.127 \| good	0.225 \| good
2026-09-13T21:00:00.000Z	27 \| good	5.356 \| good	23.089 \| good	27.853 \| good	0.374 \| good	2.659 \| good	0.197 \| good
2026-09-13T22:00:00.000Z	33 \| good	5.594 \| good	24.095 \| good	28.07 \| good	0.383 \| good	2.595 \| good	0.195 \| good
2026-09-13T23:00:00.000Z	33 \| good	6.122 \| good	26.974 \| good	25.425 \| good	0.381 \| good	2.596 \| good	0.192 \| good
2026-09-14T00:00:00.000Z	33 \| good	6.068 \| good	26.885 \| good	22.576 \| good	0.377 \| good	2.742 \| good	0.19 \| good
2026-09-14T01:00:00.000Z	33 \| good	6.327 \| good	27.909 \| good	18.59 \| good	0.377 \| good	3.367 \| good	0.191 \| good
2026-09-14T02:00:00.000Z	33 \| good	5.928 \| good	26.603 \| good	17.623 \| good	0.377 \| good	4.533 \| good	0.194 \| good
2026-09-14T03:00:00.000Z	27 \| good	5.219 \| good	22.821 \| good	18.854 \| good	0.374 \| good	5.429 \| good	0.198 \| good
2026-09-14T04:00:00.000Z	27 \| good	4.715 \| good	20.875 \| good	17.629 \| good	0.379 \| good	5.668 \| good	0.2 \| good
2026-09-14T05:00:00.000Z	22 \| good	3.911 \| good	17.022 \| good	17.655 \| good	0.374 \| good	5.687 \| good	0.2 \| good
2026-09-14T06:00:00.000Z	16 \| good	3.497 \| good	15.679 \| good	16.952 \| good	0.366 \| good	5.511 \| good	0.199 \| good
2026-09-14T07:00:00.000Z	16 \| good	2.726 \| good	11.048 \| good	16.101 \| good	0.349 \| good	5.213 \| good	0.196 \| good
2026-09-14T08:00:00.000Z	14 \| good	2.409 \| good	9.936 \| good	14.556 \| good	0.334 \| good	4.721 \| good	0.191 \| good
2026-09-14T09:00:00.000Z	16 \| good	2.55 \| good	10.037 \| good	13.235 \| good	0.329 \| good	4.318 \| good	0.187 \| good
2026-09-14T10:00:00.000Z	16 \| good	3.14 \| good	13.83 \| good	12.051 \| good	0.319 \| good	4.102 \| good	0.183 \| good
2026-09-14T11:00:00.000Z	16 \| good	3.391 \| good	14.854 \| good	11.387 \| good	0.312 \| good	4.032 \| good	0.18 \| good
2026-09-14T12:00:00.000Z	16 \| good	3.305 \| good	14.751 \| good	11.574 \| good	0.317 \| good	3.949 \| good	0.177 \| good
2026-09-14T13:00:00.000Z	16 \| good	3.443 \| good	14.887 \| good	11.958 \| good	0.317 \| good	3.837 \| good	0.175 \| good
2026-09-14T14:00:00.000Z	16 \| good	3.387 \| good	14.823 \| good	12.629 \| good	0.315 \| good	3.717 \| good	0.173 \| good
2026-09-14T15:00:00.000Z	16 \| good	3.44 \| good	14.861 \| good	13.862 \| good	0.316 \| good	3.535 \| good	0.175 \| good
2026-09-14T16:00:00.000Z	16 \| good	3.482 \| good	15.71 \| good	16.358 \| good	0.326 \| good	3.247 \| good	0.178 \| good
2026-09-14T17:00:00.000Z	22 \| good	3.747 \| good	16.051 \| good	18.933 \| good	0.377 \| good	2.786 \| good	0.174 \| good
2026-09-14T18:00:00.000Z	19 \| good	3.472 \| good	14.942 \| good	21.458 \| good	0.407 \| good	2.466 \| good	0.172 \| good
2026-09-14T19:00:00.000Z	22 \| good	3.83 \| good	16.949 \| good	22.602 \| good	0.428 \| good	2.305 \| good	0.171 \| good
2026-09-14T20:00:00.000Z	23 \| good	4.081 \| good	17.991 \| good	25.122 \| good	0.459 \| good	2.348 \| good	0.172 \| good
2026-09-14T21:00:00.000Z	27 \| good	4.678 \| good	20.044 \| good	27.826 \| good	0.488 \| good	2.405 \| good	0.173 \| good
2026-09-14T22:00:00.000Z	28 \| good	4.593 \| good	19.976 \| good	30.012 \| good	0.51 \| good	2.454 \| good	0.175 \| good
2026-09-14T23:00:00.000Z	28 \| good	4.711 \| good	20.829 \| good	29.695 \| good	0.535 \| good	2.659 \| good	0.178 \| good
2026-09-15T00:00:00.000Z	28 \| good	5.202 \| good	22.816 \| good	29.573 \| good	0.556 \| good	3.091 \| good	0.181 \| good
2026-09-15T01:00:00.000Z	28 \| good	4.669 \| good	20.747 \| good	30.136 \| good	0.575 \| good	4.136 \| good	0.187 \| good
2026-09-15T02:00:00.000Z	27 \| good	4.342 \| good	18.915 \| good	29.375 \| good	0.596 \| good	6.165 \| good	0.201 \| good
2026-09-15T03:00:00.000Z	24 \| good	3.493 \| good	15.652 \| good	26.22 \| good	0.643 \| good	8.014 \| good	0.216 \| good
2026-09-15T04:00:00.000Z	23 \| good	4.086 \| good	17.871 \| good	25.353 \| good	0.688 \| good	9.209 \| good	0.227 \| good
2026-09-15T05:00:00.000Z	22 \| good	4.006 \| good	17.866 \| good	22.927 \| good	0.704 \| good	10.243 \| good	0.238 \| good
2026-09-15T06:00:00.000Z	22 \| good	3.763 \| good	16.031 \| good	21.306 \| good	0.704 \| good	11.287 \| good	0.25 \| good
2026-09-15T07:00:00.000Z	18 \| good	3.156 \| good	13.803 \| good	18.509 \| good	0.684 \| good	11.948 \| good	0.259 \| good
2026-09-15T08:00:00.000Z	16 \| good	2.799 \| good	11.829 \| good	15.146 \| good	0.643 \| good	11.922 \| good	0.263 \| good
2026-09-15T09:00:00.000Z	16 \| good	2.626 \| good	10.859 \| good	13.656 \| good	0.606 \| good	11.313 \| good	0.259 \| good
2026-09-15T10:00:00.000Z	16 \| good	3.452 \| good	15.01 \| good	12.622 \| good	0.554 \| good	10.536 \| good	0.253 \| good
2026-09-15T11:00:00.000Z	22 \| good	3.501 \| good	15.788 \| good	11.851 \| good	0.501 \| good	9.738 \| good	0.246 \| good
2026-09-15T12:00:00.000Z	11 \| good	2.455 \| good	9.901 \| good	11.495 \| good	0.525 \| good	8.888 \| good	0.235 \| good
2026-09-15T13:00:00.000Z	16 \| good	2.629 \| good	10.863 \| good	11.133 \| good	0.522 \| good	8.52 \| good	0.228 \| good
2026-09-15T14:00:00.000Z	11 \| good	2.138 \| good	8.824 \| good	11.305 \| good	0.516 \| good	8.037 \| good	0.224 \| good
2026-09-15T15:00:00.000Z	16 \| good	2.792 \| good	11.807 \| good	9.378 \| good	0.518 \| good	7.232 \| good	0.227 \| good
2026-09-15T16:00:00.000Z	22 \| good	3.7 \| good	15.868 \| good	11.439 \| good	0.64 \| good	6.248 \| good	0.223 \| good
2026-09-15T17:00:00.000Z	22 \| good	4.453 \| good	18.993 \| good	15.075 \| good	0.76 \| good	5.559 \| good	0.217 \| good
2026-09-15T18:00:00.000Z	27 \| good	5.336 \| good	22.995 \| good	18.881 \| good	0.88 \| good	5.146 \| good	0.217 \| good
2026-09-15T19:00:00.000Z	33 \| good	6.202 \| good	27.897 \| good	23.377 \| good	1.089 \| good	4.441 \| good	0.202 \| good
2026-09-15T20:00:00.000Z	38 \| good	7.294 \| good	31.985 \| good	27.381 \| good	1.203 \| good	3.789 \| good	0.192 \| good

Port Townsend

Get reliable air quality data to drive your business

Port Townsend, Washington air quality map: Stay updated on AQI near you

0.24ppm

How accurate is Washington, USA air quality data?

Air quality and pollutant data for Washington, 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 Port Townsend, Washington?

The air quality information for Port Townsend, Washington is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Port Townsend, Washington at its worst?

In the past 24 hours, the air quality in Port Townsend, Washington was at its worst at 03:00:00 on 2026-09-13.

When did Port Townsend, Washington experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Port Townsend, Washington was observed at 07:00:00 on 2026-09-13.

What is the AQI in Port Townsend, Washington right now?

As of now, the AQI in Port Townsend, Washington is 23, indicating Good conditions.

What is the most common type of pollution in Port Townsend, Washington?

Port Townsend, Washington air has the highest levels of O3.

What should I do in case of poor air quality in Port Townsend, Washington?

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

What is the PM_2.5 level in Port Townsend, Washington at the moment?

PM_2.5 levels in Port Townsend, Washington are currently 3.616 μg/m³.

What is the PM₁₀ level in Port Townsend, Washington at the moment?

The PM₁₀ concentration in Port Townsend, Washington is 16.066 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Port Townsend, Washington at the moment?

The current carbon monoxide (CO) concentration in Port Townsend, Washington is 0.225 ppm.

What is the sulfur dioxide (SO₂) level in Port Townsend, Washington at the moment?

Currently, Port Townsend, Washington has a sulfur dioxide (SO₂) concentration of 0.292 ppb.

What is the ozone (O₃) level in Port Townsend, Washington at the moment?

The current ozone (O₃) level in Port Townsend, Washington at the moment is 25.127 ppm.

What is the nitrogen dioxide (NO₂) level in Port Townsend, Washington at the moment?

Nitrogen dioxide (NO₂) level in Port Townsend, Washington at the moment is 2.127 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-11T21:00:00.000Z	27 \| good	5.1 \| good	22 \| good	25.119 \| good	0.365 \| good	6.189 \| good	0.25 \| good
2026-09-11T22:00:00.000Z	29 \| good	5 \| good	22 \| good	31.161 \| good	0.402 \| good	4.803 \| good	0.225 \| good
2026-09-11T23:00:00.000Z	32 \| good	5 \| good	22 \| good	35.112 \| good	0.403 \| good	3.914 \| good	0.25 \| good
2026-09-12T00:00:00.000Z	31 \| good	4.9 \| good	21 \| good	34.117 \| good	0.36 \| good	2.132 \| good	0.25 \| good
2026-09-12T01:00:00.000Z	30 \| good	4.8 \| good	21 \| good	32.133 \| good	0.396 \| good	2.514 \| good	0.25 \| good
2026-09-12T02:00:00.000Z	31 \| good	4.8 \| good	21 \| good	33.227 \| good	0.423 \| good	4.429 \| good	0.26 \| good
2026-09-12T03:00:00.000Z	49 \| good	8.641 \| good	37.724 \| good	22.373 \| good	0.685 \| good	8.757 \| good	0.275 \| good
2026-09-12T04:00:00.000Z	27 \| good	4.9 \| good	21 \| good	25.499 \| good	0.395 \| good	14.089 \| good	0.332 \| good
2026-09-12T05:00:00.000Z	27 \| good	4.9 \| good	21 \| good	23.662 \| good	0.526 \| good	22.058 \| good	0.35 \| good
2026-09-12T06:00:00.000Z	29 \| good	5 \| good	22 \| good	21.16 \| good	0.946 \| good	31.408 \| good	0.35 \| good
2026-09-12T07:00:00.000Z	27 \| good	5 \| good	22 \| good	20.563 \| good	0.914 \| good	18.251 \| good	0.332 \| good
2026-09-12T08:00:00.000Z	27 \| good	5 \| good	22 \| good	15.047 \| good	0.459 \| good	13.409 \| good	0.319 \| good
2026-09-12T09:00:00.000Z	27 \| good	5 \| good	22 \| good	17.349 \| good	0.644 \| good	12.297 \| good	0.259 \| good
2026-09-12T10:00:00.000Z	27 \| good	5.1 \| good	22 \| good	15.501 \| good	0.443 \| good	9.527 \| good	0.259 \| good
2026-09-12T11:00:00.000Z	27 \| good	5.1 \| good	22 \| good	8.269 \| good	0.631 \| good	9.391 \| good	0.252 \| good
2026-09-12T12:00:00.000Z	27 \| good	5.2 \| good	23 \| good	5.384 \| good	0.479 \| good	8.403 \| good	0.252 \| good
2026-09-12T13:00:00.000Z	27 \| good	5.2 \| good	23 \| good	5.859 \| good	0.354 \| good	9.676 \| good	0.252 \| good
2026-09-12T14:00:00.000Z	27 \| good	5.1 \| good	22 \| good	8.065 \| good	0.436 \| good	8.861 \| good	0.299 \| good
2026-09-12T15:00:00.000Z	27 \| good	5 \| good	22 \| good	9.215 \| good	0.555 \| good	10.042 \| good	0.361 \| good
2026-09-12T16:00:00.000Z	27 \| good	5 \| good	22 \| good	11.939 \| good	0.504 \| good	7.476 \| good	0.319 \| good
2026-09-12T17:00:00.000Z	27 \| good	5 \| good	22 \| good	16.21 \| good	0.531 \| good	5.985 \| good	0.332 \| good
2026-09-12T18:00:00.000Z	27 \| good	5 \| good	22 \| good	19.164 \| good	0.629 \| good	9.293 \| good	0.307 \| good
2026-09-12T19:00:00.000Z	27 \| good	4.9 \| good	21 \| good	20.954 \| good	0.655 \| good	9.926 \| good	0.284 \| good
2026-09-12T20:00:00.000Z	27 \| good	4.9 \| good	21 \| good	26.323 \| good	0.631 \| good	10.46 \| good	0.284 \| good
2026-09-12T21:00:00.000Z	27 \| good	5 \| good	22 \| good	25.052 \| good	0.715 \| good	9.881 \| good	0.26 \| good
2026-09-12T22:00:00.000Z	27 \| good	5 \| good	22 \| good	27.07 \| good	0.59 \| good	11.101 \| good	0.284 \| good
2026-09-12T23:00:00.000Z	27 \| good	5 \| good	22 \| good	24.464 \| good	0.557 \| good	12.828 \| good	0.284 \| good
2026-09-13T00:00:00.000Z	27 \| good	5 \| good	22 \| good	27.372 \| good	0.2 \| good	5.955 \| good	0.284 \| good
2026-09-13T01:00:00.000Z	27 \| good	5 \| good	22 \| good	28.844 \| good	0.337 \| good	4.88 \| good	0.284 \| good
2026-09-13T02:00:00.000Z	27 \| good	5.1 \| good	22 \| good	28.915 \| good	0.32 \| good	6.173 \| good	0.292 \| good
2026-09-13T03:00:00.000Z	49 \| good	9.476 \| good	41.966 \| good	34.868 \| good	1.524 \| good	7.498 \| good	0.242 \| good
2026-09-13T04:00:00.000Z	32 \| good	5.2 \| good	23 \| good	34.649 \| good	0.368 \| good	14.939 \| good	0.297 \| good
2026-09-13T05:00:00.000Z	30 \| good	5.2 \| good	23 \| good	32.269 \| good	0.393 \| good	6.252 \| good	0.25 \| good
2026-09-13T06:00:00.000Z	27 \| good	5.2 \| good	23 \| good	24.977 \| good	0.346 \| good	7.003 \| good	0.242 \| good
2026-09-13T07:00:00.000Z	27 \| good	5.2 \| good	23 \| good	25.687 \| good	0.357 \| good	7.733 \| good	0.242 \| good
2026-09-13T08:00:00.000Z	27 \| good	5.2 \| good	23 \| good	23.118 \| good	0.845 \| good	7.113 \| good	0.235 \| good
2026-09-13T09:00:00.000Z	27 \| good	5.2 \| good	23 \| good	15.977 \| good	0.768 \| good	8.707 \| good	0.175 \| good
2026-09-13T10:00:00.000Z	27 \| good	4.9 \| good	21 \| good	19.537 \| good	0.466 \| good	6.602 \| good	0.175 \| good
2026-09-13T11:00:00.000Z	22 \| good	4.4 \| good	19 \| good	19.684 \| good	0.462 \| good	2.586 \| good	0.2 \| good
2026-09-13T12:00:00.000Z	22 \| good	4 \| good	18 \| good	15.806 \| good	0.577 \| good	3.298 \| good	0.217 \| good
2026-09-13T13:00:00.000Z	22 \| good	4 \| good	18 \| good	19.13 \| good	0.578 \| good	3.468 \| good	0.217 \| good
2026-09-13T14:00:00.000Z	22 \| good	3.8 \| good	17 \| good	23.322 \| good	0.42 \| good	4.07 \| good	0.217 \| good
2026-09-13T15:00:00.000Z	22 \| good	4 \| good	18 \| good	23.775 \| good	0.419 \| good	3.88 \| good	0.235 \| good
2026-09-13T16:00:00.000Z	23 \| good	4.1 \| good	18 \| good	24.625 \| good	0.422 \| good	5.313 \| good	0.235 \| good
2026-09-13T17:00:00.000Z	22 \| good	4 \| good	18 \| good	20.631 \| good	0.276 \| good	5.137 \| good	0.26 \| good
2026-09-13T18:00:00.000Z	22 \| good	3.8 \| good	17 \| good	22.484 \| good	0.292 \| good	3.163 \| good	0.242 \| good
2026-09-13T19:00:00.000Z	22 \| good	3.7 \| good	16 \| good	23.247 \| good	0.296 \| good	4.102 \| good	0.225 \| good
2026-09-13T20:00:00.000Z	23 \| good	3.6 \| good	16 \| good	25.122 \| good	0.292 \| good	2.12 \| good	0.225 \| good
2026-09-13T20:00:00.000Z	23 \| good	3.616 \| good	16.066 \| good	25.127 \| good	0.292 \| good	2.127 \| good	0.225 \| good
2026-09-13T21:00:00.000Z	27 \| good	5.356 \| good	23.089 \| good	27.853 \| good	0.374 \| good	2.659 \| good	0.197 \| good
2026-09-13T22:00:00.000Z	33 \| good	5.594 \| good	24.095 \| good	28.07 \| good	0.383 \| good	2.595 \| good	0.195 \| good
2026-09-13T23:00:00.000Z	33 \| good	6.122 \| good	26.974 \| good	25.425 \| good	0.381 \| good	2.596 \| good	0.192 \| good
2026-09-14T00:00:00.000Z	33 \| good	6.068 \| good	26.885 \| good	22.576 \| good	0.377 \| good	2.742 \| good	0.19 \| good
2026-09-14T01:00:00.000Z	33 \| good	6.327 \| good	27.909 \| good	18.59 \| good	0.377 \| good	3.367 \| good	0.191 \| good
2026-09-14T02:00:00.000Z	33 \| good	5.928 \| good	26.603 \| good	17.623 \| good	0.377 \| good	4.533 \| good	0.194 \| good
2026-09-14T03:00:00.000Z	27 \| good	5.219 \| good	22.821 \| good	18.854 \| good	0.374 \| good	5.429 \| good	0.198 \| good
2026-09-14T04:00:00.000Z	27 \| good	4.715 \| good	20.875 \| good	17.629 \| good	0.379 \| good	5.668 \| good	0.2 \| good
2026-09-14T05:00:00.000Z	22 \| good	3.911 \| good	17.022 \| good	17.655 \| good	0.374 \| good	5.687 \| good	0.2 \| good
2026-09-14T06:00:00.000Z	16 \| good	3.497 \| good	15.679 \| good	16.952 \| good	0.366 \| good	5.511 \| good	0.199 \| good
2026-09-14T07:00:00.000Z	16 \| good	2.726 \| good	11.048 \| good	16.101 \| good	0.349 \| good	5.213 \| good	0.196 \| good
2026-09-14T08:00:00.000Z	14 \| good	2.409 \| good	9.936 \| good	14.556 \| good	0.334 \| good	4.721 \| good	0.191 \| good
2026-09-14T09:00:00.000Z	16 \| good	2.55 \| good	10.037 \| good	13.235 \| good	0.329 \| good	4.318 \| good	0.187 \| good
2026-09-14T10:00:00.000Z	16 \| good	3.14 \| good	13.83 \| good	12.051 \| good	0.319 \| good	4.102 \| good	0.183 \| good
2026-09-14T11:00:00.000Z	16 \| good	3.391 \| good	14.854 \| good	11.387 \| good	0.312 \| good	4.032 \| good	0.18 \| good
2026-09-14T12:00:00.000Z	16 \| good	3.305 \| good	14.751 \| good	11.574 \| good	0.317 \| good	3.949 \| good	0.177 \| good
2026-09-14T13:00:00.000Z	16 \| good	3.443 \| good	14.887 \| good	11.958 \| good	0.317 \| good	3.837 \| good	0.175 \| good
2026-09-14T14:00:00.000Z	16 \| good	3.387 \| good	14.823 \| good	12.629 \| good	0.315 \| good	3.717 \| good	0.173 \| good
2026-09-14T15:00:00.000Z	16 \| good	3.44 \| good	14.861 \| good	13.862 \| good	0.316 \| good	3.535 \| good	0.175 \| good
2026-09-14T16:00:00.000Z	16 \| good	3.482 \| good	15.71 \| good	16.358 \| good	0.326 \| good	3.247 \| good	0.178 \| good
2026-09-14T17:00:00.000Z	22 \| good	3.747 \| good	16.051 \| good	18.933 \| good	0.377 \| good	2.786 \| good	0.174 \| good
2026-09-14T18:00:00.000Z	19 \| good	3.472 \| good	14.942 \| good	21.458 \| good	0.407 \| good	2.466 \| good	0.172 \| good
2026-09-14T19:00:00.000Z	22 \| good	3.83 \| good	16.949 \| good	22.602 \| good	0.428 \| good	2.305 \| good	0.171 \| good
2026-09-14T20:00:00.000Z	23 \| good	4.081 \| good	17.991 \| good	25.122 \| good	0.459 \| good	2.348 \| good	0.172 \| good
2026-09-14T21:00:00.000Z	27 \| good	4.678 \| good	20.044 \| good	27.826 \| good	0.488 \| good	2.405 \| good	0.173 \| good
2026-09-14T22:00:00.000Z	28 \| good	4.593 \| good	19.976 \| good	30.012 \| good	0.51 \| good	2.454 \| good	0.175 \| good
2026-09-14T23:00:00.000Z	28 \| good	4.711 \| good	20.829 \| good	29.695 \| good	0.535 \| good	2.659 \| good	0.178 \| good
2026-09-15T00:00:00.000Z	28 \| good	5.202 \| good	22.816 \| good	29.573 \| good	0.556 \| good	3.091 \| good	0.181 \| good
2026-09-15T01:00:00.000Z	28 \| good	4.669 \| good	20.747 \| good	30.136 \| good	0.575 \| good	4.136 \| good	0.187 \| good
2026-09-15T02:00:00.000Z	27 \| good	4.342 \| good	18.915 \| good	29.375 \| good	0.596 \| good	6.165 \| good	0.201 \| good
2026-09-15T03:00:00.000Z	24 \| good	3.493 \| good	15.652 \| good	26.22 \| good	0.643 \| good	8.014 \| good	0.216 \| good
2026-09-15T04:00:00.000Z	23 \| good	4.086 \| good	17.871 \| good	25.353 \| good	0.688 \| good	9.209 \| good	0.227 \| good
2026-09-15T05:00:00.000Z	22 \| good	4.006 \| good	17.866 \| good	22.927 \| good	0.704 \| good	10.243 \| good	0.238 \| good
2026-09-15T06:00:00.000Z	22 \| good	3.763 \| good	16.031 \| good	21.306 \| good	0.704 \| good	11.287 \| good	0.25 \| good
2026-09-15T07:00:00.000Z	18 \| good	3.156 \| good	13.803 \| good	18.509 \| good	0.684 \| good	11.948 \| good	0.259 \| good
2026-09-15T08:00:00.000Z	16 \| good	2.799 \| good	11.829 \| good	15.146 \| good	0.643 \| good	11.922 \| good	0.263 \| good
2026-09-15T09:00:00.000Z	16 \| good	2.626 \| good	10.859 \| good	13.656 \| good	0.606 \| good	11.313 \| good	0.259 \| good
2026-09-15T10:00:00.000Z	16 \| good	3.452 \| good	15.01 \| good	12.622 \| good	0.554 \| good	10.536 \| good	0.253 \| good
2026-09-15T11:00:00.000Z	22 \| good	3.501 \| good	15.788 \| good	11.851 \| good	0.501 \| good	9.738 \| good	0.246 \| good
2026-09-15T12:00:00.000Z	11 \| good	2.455 \| good	9.901 \| good	11.495 \| good	0.525 \| good	8.888 \| good	0.235 \| good
2026-09-15T13:00:00.000Z	16 \| good	2.629 \| good	10.863 \| good	11.133 \| good	0.522 \| good	8.52 \| good	0.228 \| good
2026-09-15T14:00:00.000Z	11 \| good	2.138 \| good	8.824 \| good	11.305 \| good	0.516 \| good	8.037 \| good	0.224 \| good
2026-09-15T15:00:00.000Z	16 \| good	2.792 \| good	11.807 \| good	9.378 \| good	0.518 \| good	7.232 \| good	0.227 \| good
2026-09-15T16:00:00.000Z	22 \| good	3.7 \| good	15.868 \| good	11.439 \| good	0.64 \| good	6.248 \| good	0.223 \| good
2026-09-15T17:00:00.000Z	22 \| good	4.453 \| good	18.993 \| good	15.075 \| good	0.76 \| good	5.559 \| good	0.217 \| good
2026-09-15T18:00:00.000Z	27 \| good	5.336 \| good	22.995 \| good	18.881 \| good	0.88 \| good	5.146 \| good	0.217 \| good
2026-09-15T19:00:00.000Z	33 \| good	6.202 \| good	27.897 \| good	23.377 \| good	1.089 \| good	4.441 \| good	0.202 \| good
2026-09-15T20:00:00.000Z	38 \| good	7.294 \| good	31.985 \| good	27.381 \| good	1.203 \| good	3.789 \| good	0.192 \| good

Live air quality index in Port Townsend, Washington today

Major air pollutants in Port Townsend, Washington

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Port Townsend, Washington air quality map: Stay updated on AQI near you

Air quality in nearby cities

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What is the nitrogen dioxide (NO2) level in Port Townsend, Washington 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 Port Townsend, Washington at the moment?

What is the PM₁₀ level in Port Townsend, Washington at the moment?

What is the sulfur dioxide (SO₂) level in Port Townsend, Washington at the moment?

What is the ozone (O₃) level in Port Townsend, Washington at the moment?

What is the nitrogen dioxide (NO₂) level in Port Townsend, Washington at the moment?