What is the PM10 level in Seatac, Washington at the moment?

The PM10 concentration in Seatac, Washington is 27.644 μg/m3 at the moment.

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

Currently, Seatac, Washington has a sulfur dioxide (SO2) concentration of 0.633 ppb.

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

The current ozone (O3) level in Seatac, Washington at the moment is 12.219 ppm.

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

Nitrogen dioxide (NO2) level in Seatac, Washington at the moment is 8.252 ppb.

Live air quality index in SeaTac, Washington today

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

PM2.5 levels in Seatac, Washington are currently 6.287 μg/m3.

Stay updated with real-time air quality in SeaTac, 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

SeaTac, Washington

Last updated: ... (Local time)

Major air pollutants in SeaTac, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.64 μg/m³

155

255

425

605+

Ozone (O₃)

12.22 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

SeaTac, Washington

Get Live Pollen Counts

SeaTac, Washington

Scroll To Air Quality Map

Track live SeaTac, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	33 \| good	5.663 \| good	24.066 \| good	13.017 \| good	0.623 \| good	6.771 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	27 \| good	4.973 \| good	21.018 \| good	14.107 \| good	0.626 \| good	6.899 \| good	0.237 \| good
2026-10-20T23:00:00.000Z	27 \| good	5.101 \| good	19.941 \| good	17.002 \| good	0.545 \| good	6.573 \| good	0.237 \| good
2026-10-21T00:00:00.000Z	27 \| good	5.448 \| good	21.607 \| good	13.845 \| good	0.538 \| good	10.132 \| good	0.237 \| good
2026-10-21T01:00:00.000Z	27 \| good	5.251 \| good	20.556 \| good	9.724 \| good	0.621 \| good	13.298 \| good	0.275 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.532 \| good	22.548 \| good	9.396 \| good	0.541 \| good	13.337 \| good	0.245 \| good
2026-10-21T03:00:00.000Z	56 \| moderate	11.568 \| good	51.277 \| good	2.984 \| good	1.555 \| good	22.186 \| good	0.276 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.461 \| good	25.502 \| good	7.733 \| good	0.546 \| good	14.111 \| good	0.263 \| good
2026-10-21T05:00:00.000Z	33 \| good	5.983 \| good	23.816 \| good	7.524 \| good	0.543 \| good	14.158 \| good	0.244 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.078 \| good	23.5 \| good	8.066 \| good	0.525 \| good	12.576 \| good	0.225 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.078 \| good	23.5 \| good	7.46 \| good	0.517 \| good	13.044 \| good	0.225 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.296 \| good	22.398 \| good	4.637 \| good	0.437 \| good	13.633 \| good	0.244 \| good
2026-10-21T09:00:00.000Z	27 \| good	5.094 \| good	22.156 \| good	3.561 \| good	0.529 \| good	13.678 \| good	0.242 \| good
2026-10-21T10:00:00.000Z	33 \| good	6.452 \| good	26.024 \| good	3.326 \| good	0.451 \| good	13.039 \| good	0.244 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.455 \| good	29.472 \| good	2.08 \| good	0.514 \| good	13.201 \| good	0.371 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.193 \| good	32.591 \| good	2.305 \| good	0.439 \| good	12.074 \| good	0.316 \| good
2026-10-21T13:00:00.000Z	44 \| good	8.193 \| good	32.591 \| good	1.996 \| good	0.439 \| good	11.796 \| good	0.316 \| good
2026-10-21T14:00:00.000Z	54 \| moderate	11.153 \| good	43.246 \| good	1.421 \| good	0.504 \| good	11.078 \| good	0.374 \| good
2026-10-21T15:00:00.000Z	54 \| moderate	11.316 \| good	43.541 \| good	1.416 \| good	0.823 \| good	12.377 \| good	0.49 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	12.671 \| fine	50.228 \| good	1.583 \| good	0.959 \| good	12.611 \| good	0.412 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	12.849 \| fine	50.245 \| good	2.415 \| good	1.028 \| good	14.985 \| good	0.517 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	14.381 \| fine	56.584 \| fine	3.921 \| good	0.937 \| good	15.322 \| good	0.503 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.656 \| fine	59.448 \| fine	5.089 \| good	1.005 \| good	14.642 \| good	0.425 \| good
2026-10-21T20:00:00.000Z	64 \| moderate	15.701 \| fine	62.95 \| fine	6.984 \| good	0.849 \| good	15.922 \| good	0.37 \| good
2026-10-21T21:00:00.000Z	62 \| moderate	15.217 \| fine	60.863 \| fine	7.731 \| good	0.928 \| good	19.454 \| good	0.423 \| good
2026-10-21T22:00:00.000Z	60 \| moderate	14.426 \| fine	56.858 \| fine	9.325 \| good	1.029 \| good	20.633 \| good	0.33 \| good
2026-10-21T23:00:00.000Z	60 \| moderate	14.296 \| fine	57.671 \| fine	9.65 \| good	1.517 \| good	22.075 \| good	0.37 \| good
2026-10-22T00:00:00.000Z	58 \| moderate	13.187 \| fine	53.322 \| good	8.944 \| good	0.989 \| good	21.94 \| good	0.372 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	12.671 \| fine	51.738 \| good	7.631 \| good	1.006 \| good	23.555 \| good	0.372 \| good
2026-10-22T02:00:00.000Z	58 \| moderate	12.732 \| fine	52.726 \| good	8.116 \| good	1.099 \| good	27.709 \| good	0.507 \| good
2026-10-22T03:00:00.000Z	69 \| moderate	18.961 \| fine	84.181 \| fine	2.364 \| good	1.006 \| good	26.54 \| good	0.413 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.759 \| fine	53.732 \| good	4.595 \| good	0.825 \| good	25.741 \| good	0.568 \| good
2026-10-22T05:00:00.000Z	58 \| moderate	13.484 \| fine	56.425 \| fine	2.85 \| good	0.725 \| good	22.254 \| good	0.431 \| good
2026-10-22T06:00:00.000Z	60 \| moderate	14.125 \| fine	59.166 \| fine	1.411 \| good	0.639 \| good	22.12 \| good	0.396 \| good
2026-10-22T07:00:00.000Z	60 \| moderate	14.125 \| fine	59.166 \| fine	1.723 \| good	0.633 \| good	22.041 \| good	0.396 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	13.737 \| fine	56.247 \| fine	2.794 \| good	0.633 \| good	19.669 \| good	0.303 \| good
2026-10-22T09:00:00.000Z	58 \| moderate	12.997 \| fine	52.178 \| good	3.066 \| good	0.544 \| good	16.369 \| good	0.207 \| good
2026-10-22T10:00:00.000Z	56 \| moderate	12.427 \| fine	49.439 \| good	5.547 \| good	0.543 \| good	13.595 \| good	0.23 \| good
2026-10-22T11:00:00.000Z	56 \| moderate	11.952 \| good	47.421 \| good	6.021 \| good	0.547 \| good	12.788 \| good	0.23 \| good
2026-10-22T12:00:00.000Z	54 \| moderate	10.921 \| good	43.089 \| good	5.537 \| good	0.557 \| good	11.85 \| good	0.21 \| good
2026-10-22T13:00:00.000Z	54 \| moderate	10.921 \| good	43.089 \| good	6.062 \| good	0.355 \| good	12.358 \| good	0.21 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	10.352 \| good	42.208 \| good	5.732 \| good	0.48 \| good	12.066 \| good	0.215 \| good
2026-10-22T15:00:00.000Z	52 \| moderate	9.952 \| good	42.629 \| good	6.597 \| good	0.565 \| good	13.373 \| good	0.251 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	11.801 \| good	50.267 \| good	6.229 \| good	0.518 \| good	15.221 \| good	0.269 \| good
2026-10-22T17:00:00.000Z	56 \| moderate	11.509 \| good	49.281 \| good	8.34 \| good	0.579 \| good	13.015 \| good	0.227 \| good
2026-10-22T18:00:00.000Z	49 \| good	9.351 \| good	39.317 \| good	11.48 \| good	0.697 \| good	11.63 \| good	0.249 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.629 \| good	32.637 \| good	12.218 \| good	0.715 \| good	10.717 \| good	0.242 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.011 \| good	25.716 \| good	13.564 \| good	0.646 \| good	8.079 \| good	0.149 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.287 \| good	27.644 \| good	12.219 \| good	0.633 \| good	8.252 \| good	0.154 \| good
2026-10-22T21:00:00.000Z	33 \| good	5.555 \| good	23.865 \| good	21.037 \| good	1.432 \| good	5.862 \| good	0.178 \| good
2026-10-22T22:00:00.000Z	27 \| good	4.805 \| good	20.721 \| good	22.669 \| good	1.373 \| good	5.494 \| good	0.169 \| good
2026-10-22T23:00:00.000Z	19 \| good	3.015 \| good	12.085 \| good	20.232 \| good	1.3 \| good	5.722 \| good	0.163 \| good
2026-10-23T00:00:00.000Z	16 \| good	2.192 \| good	8.955 \| good	16.803 \| good	1.224 \| good	6.811 \| good	0.164 \| good
2026-10-23T01:00:00.000Z	16 \| good	3.404 \| good	14.94 \| good	13.058 \| good	1.169 \| good	9.958 \| good	0.18 \| good
2026-10-23T02:00:00.000Z	27 \| good	5.011 \| good	21.328 \| good	8.407 \| good	1.133 \| good	13.916 \| good	0.205 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.991 \| good	31.115 \| good	6.623 \| good	1.089 \| good	16.227 \| good	0.216 \| good
2026-10-23T04:00:00.000Z	44 \| good	7.832 \| good	34.5 \| good	8.548 \| good	1.054 \| good	18.679 \| good	0.229 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.356 \| good	19.375 \| good	13.64 \| good	1.069 \| good	21.284 \| good	0.249 \| good
2026-10-23T06:00:00.000Z	24 \| good	3.253 \| good	14.211 \| good	16.11 \| good	1.09 \| good	25.087 \| good	0.282 \| good
2026-10-23T07:00:00.000Z	24 \| good	3.894 \| good	17.126 \| good	14.252 \| good	1.053 \| good	24.673 \| good	0.293 \| good
2026-10-23T08:00:00.000Z	21 \| good	3.165 \| good	13.831 \| good	20.223 \| good	0.95 \| good	22.023 \| good	0.265 \| good
2026-10-23T09:00:00.000Z	19 \| good	2.329 \| good	9.875 \| good	20.828 \| good	0.875 \| good	19.346 \| good	0.235 \| good
2026-10-23T10:00:00.000Z	17 \| good	2.374 \| good	9.914 \| good	16.413 \| good	0.842 \| good	18.315 \| good	0.222 \| good
2026-10-23T11:00:00.000Z	17 \| good	2.736 \| good	11.149 \| good	14.62 \| good	0.819 \| good	17.598 \| good	0.215 \| good
2026-10-23T12:00:00.000Z	22 \| good	3.523 \| good	15.866 \| good	11.865 \| good	0.811 \| good	16.815 \| good	0.209 \| good
2026-10-23T13:00:00.000Z	22 \| good	4.266 \| good	18.969 \| good	7.969 \| good	0.814 \| good	15.701 \| good	0.203 \| good
2026-10-23T14:00:00.000Z	27 \| good	4.913 \| good	21.195 \| good	3.574 \| good	0.823 \| good	14.99 \| good	0.202 \| good
2026-10-23T15:00:00.000Z	33 \| good	6.255 \| good	27.973 \| good	3.862 \| good	0.856 \| good	15.548 \| good	0.216 \| good
2026-10-23T16:00:00.000Z	38 \| good	7.115 \| good	31.959 \| good	8.068 \| good	0.86 \| good	13.385 \| good	0.223 \| good
2026-10-23T17:00:00.000Z	33 \| good	5.759 \| good	25.098 \| good	11.845 \| good	0.881 \| good	11.041 \| good	0.202 \| good
2026-10-23T18:00:00.000Z	22 \| good	3.845 \| good	16.943 \| good	16.399 \| good	0.94 \| good	8.62 \| good	0.183 \| good
2026-10-23T19:00:00.000Z	22 \| good	3.806 \| good	16.819 \| good	19.208 \| good	0.99 \| good	8.025 \| good	0.179 \| good
2026-10-23T20:00:00.000Z	27 \| good	4.804 \| good	20.93 \| good	21.549 \| good	1.04 \| good	7.475 \| good	0.178 \| good
2026-10-23T21:00:00.000Z	27 \| good	5.124 \| good	22.045 \| good	24.602 \| good	1.069 \| good	7.159 \| good	0.177 \| good
2026-10-23T22:00:00.000Z	27 \| good	5.209 \| good	22.903 \| good	28.84 \| good	1.08 \| good	7.132 \| good	0.177 \| good
2026-10-23T23:00:00.000Z	27 \| good	5.184 \| good	22.328 \| good	28.808 \| good	1.097 \| good	6.843 \| good	0.179 \| good
2026-10-24T00:00:00.000Z	33 \| good	5.587 \| good	24.23 \| good	19.77 \| good	1.117 \| good	8.349 \| good	0.184 \| good
2026-10-24T01:00:00.000Z	49 \| good	9.002 \| good	39.377 \| good	10.385 \| good	1.161 \| good	12.014 \| good	0.202 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.541 \| good	46.99 \| good	8.498 \| good	1.242 \| good	17.276 \| good	0.235 \| good
2026-10-24T03:00:00.000Z	56 \| moderate	12.235 \| fine	54.986 \| good	5.859 \| good	1.313 \| good	21.289 \| good	0.264 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.984 \| fine	58.942 \| fine	3.968 \| good	1.345 \| good	25.41 \| good	0.3 \| good
2026-10-24T05:00:00.000Z	58 \| moderate	13.346 \| fine	60.701 \| fine	3.815 \| good	1.325 \| good	28.008 \| good	0.333 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.679 \| fine	56.942 \| fine	3.314 \| good	1.278 \| good	27.874 \| good	0.358 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.679 \| fine	56.782 \| fine	2.945 \| good	1.205 \| good	26.887 \| good	0.375 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	12.885 \| fine	58.481 \| fine	3.024 \| good	1.093 \| good	25.8 \| good	0.379 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.703 \| good	51.776 \| good	3.039 \| good	0.992 \| good	24.527 \| good	0.38 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.525 \| good	50.804 \| good	3.255 \| good	0.911 \| good	23.213 \| good	0.376 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	10.942 \| good	48.543 \| good	5.481 \| good	0.845 \| good	21.797 \| good	0.37 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.973 \| good	53.505 \| good	4.219 \| good	0.806 \| good	20.542 \| good	0.356 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	12.695 \| fine	56.527 \| fine	2.703 \| good	0.765 \| good	19.921 \| good	0.343 \| good
2026-10-24T14:00:00.000Z	58 \| moderate	12.719 \| fine	56.48 \| fine	1.423 \| good	0.765 \| good	20.305 \| good	0.332 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	12.638 \| fine	56.409 \| fine	1.923 \| good	0.829 \| good	20.086 \| good	0.339 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	15.43 \| fine	68.61 \| fine	4.039 \| good	0.862 \| good	18.061 \| good	0.357 \| good
2026-10-24T17:00:00.000Z	62 \| moderate	14.93 \| fine	66.419 \| fine	6.081 \| good	0.879 \| good	16.057 \| good	0.324 \| good
2026-10-24T18:00:00.000Z	62 \| moderate	15.468 \| fine	68.464 \| fine	10.075 \| good	0.97 \| good	13.589 \| good	0.274 \| good
2026-10-24T19:00:00.000Z	64 \| moderate	16.26 \| fine	72.349 \| fine	13.637 \| good	1.089 \| good	11.531 \| good	0.241 \| good
2026-10-24T20:00:00.000Z	64 \| moderate	16.144 \| fine	72.403 \| fine	17.832 \| good	1.082 \| good	9.331 \| good	0.214 \| good

SeaTac

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SeaTac, 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 Seatac, Washington?

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

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

In the past 24 hours, the air quality in Seatac, Washington was at its worst at 03:00:00 on 2026-10-22.

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

In the last 24 hours, the best air quality in Seatac, Washington was observed at 07:00:00 on 2026-10-22.

What is the AQI in Seatac, Washington right now?

As of now, the AQI in Seatac, Washington is 33, indicating Good conditions.

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

Seatac, Washington air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Seatac, Washington are currently 6.287 μg/m³.

What is the PM₁₀ level in Seatac, Washington at the moment?

The PM₁₀ concentration in Seatac, Washington is 27.644 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Seatac, Washington is 0.154 ppm.

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

Currently, Seatac, Washington has a sulfur dioxide (SO₂) concentration of 0.633 ppb.

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

The current ozone (O₃) level in Seatac, Washington at the moment is 12.219 ppm.

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

Nitrogen dioxide (NO₂) level in Seatac, Washington at the moment is 8.252 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	33 \| good	5.663 \| good	24.066 \| good	13.017 \| good	0.623 \| good	6.771 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	27 \| good	4.973 \| good	21.018 \| good	14.107 \| good	0.626 \| good	6.899 \| good	0.237 \| good
2026-10-20T23:00:00.000Z	27 \| good	5.101 \| good	19.941 \| good	17.002 \| good	0.545 \| good	6.573 \| good	0.237 \| good
2026-10-21T00:00:00.000Z	27 \| good	5.448 \| good	21.607 \| good	13.845 \| good	0.538 \| good	10.132 \| good	0.237 \| good
2026-10-21T01:00:00.000Z	27 \| good	5.251 \| good	20.556 \| good	9.724 \| good	0.621 \| good	13.298 \| good	0.275 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.532 \| good	22.548 \| good	9.396 \| good	0.541 \| good	13.337 \| good	0.245 \| good
2026-10-21T03:00:00.000Z	56 \| moderate	11.568 \| good	51.277 \| good	2.984 \| good	1.555 \| good	22.186 \| good	0.276 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.461 \| good	25.502 \| good	7.733 \| good	0.546 \| good	14.111 \| good	0.263 \| good
2026-10-21T05:00:00.000Z	33 \| good	5.983 \| good	23.816 \| good	7.524 \| good	0.543 \| good	14.158 \| good	0.244 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.078 \| good	23.5 \| good	8.066 \| good	0.525 \| good	12.576 \| good	0.225 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.078 \| good	23.5 \| good	7.46 \| good	0.517 \| good	13.044 \| good	0.225 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.296 \| good	22.398 \| good	4.637 \| good	0.437 \| good	13.633 \| good	0.244 \| good
2026-10-21T09:00:00.000Z	27 \| good	5.094 \| good	22.156 \| good	3.561 \| good	0.529 \| good	13.678 \| good	0.242 \| good
2026-10-21T10:00:00.000Z	33 \| good	6.452 \| good	26.024 \| good	3.326 \| good	0.451 \| good	13.039 \| good	0.244 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.455 \| good	29.472 \| good	2.08 \| good	0.514 \| good	13.201 \| good	0.371 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.193 \| good	32.591 \| good	2.305 \| good	0.439 \| good	12.074 \| good	0.316 \| good
2026-10-21T13:00:00.000Z	44 \| good	8.193 \| good	32.591 \| good	1.996 \| good	0.439 \| good	11.796 \| good	0.316 \| good
2026-10-21T14:00:00.000Z	54 \| moderate	11.153 \| good	43.246 \| good	1.421 \| good	0.504 \| good	11.078 \| good	0.374 \| good
2026-10-21T15:00:00.000Z	54 \| moderate	11.316 \| good	43.541 \| good	1.416 \| good	0.823 \| good	12.377 \| good	0.49 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	12.671 \| fine	50.228 \| good	1.583 \| good	0.959 \| good	12.611 \| good	0.412 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	12.849 \| fine	50.245 \| good	2.415 \| good	1.028 \| good	14.985 \| good	0.517 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	14.381 \| fine	56.584 \| fine	3.921 \| good	0.937 \| good	15.322 \| good	0.503 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.656 \| fine	59.448 \| fine	5.089 \| good	1.005 \| good	14.642 \| good	0.425 \| good
2026-10-21T20:00:00.000Z	64 \| moderate	15.701 \| fine	62.95 \| fine	6.984 \| good	0.849 \| good	15.922 \| good	0.37 \| good
2026-10-21T21:00:00.000Z	62 \| moderate	15.217 \| fine	60.863 \| fine	7.731 \| good	0.928 \| good	19.454 \| good	0.423 \| good
2026-10-21T22:00:00.000Z	60 \| moderate	14.426 \| fine	56.858 \| fine	9.325 \| good	1.029 \| good	20.633 \| good	0.33 \| good
2026-10-21T23:00:00.000Z	60 \| moderate	14.296 \| fine	57.671 \| fine	9.65 \| good	1.517 \| good	22.075 \| good	0.37 \| good
2026-10-22T00:00:00.000Z	58 \| moderate	13.187 \| fine	53.322 \| good	8.944 \| good	0.989 \| good	21.94 \| good	0.372 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	12.671 \| fine	51.738 \| good	7.631 \| good	1.006 \| good	23.555 \| good	0.372 \| good
2026-10-22T02:00:00.000Z	58 \| moderate	12.732 \| fine	52.726 \| good	8.116 \| good	1.099 \| good	27.709 \| good	0.507 \| good
2026-10-22T03:00:00.000Z	69 \| moderate	18.961 \| fine	84.181 \| fine	2.364 \| good	1.006 \| good	26.54 \| good	0.413 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.759 \| fine	53.732 \| good	4.595 \| good	0.825 \| good	25.741 \| good	0.568 \| good
2026-10-22T05:00:00.000Z	58 \| moderate	13.484 \| fine	56.425 \| fine	2.85 \| good	0.725 \| good	22.254 \| good	0.431 \| good
2026-10-22T06:00:00.000Z	60 \| moderate	14.125 \| fine	59.166 \| fine	1.411 \| good	0.639 \| good	22.12 \| good	0.396 \| good
2026-10-22T07:00:00.000Z	60 \| moderate	14.125 \| fine	59.166 \| fine	1.723 \| good	0.633 \| good	22.041 \| good	0.396 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	13.737 \| fine	56.247 \| fine	2.794 \| good	0.633 \| good	19.669 \| good	0.303 \| good
2026-10-22T09:00:00.000Z	58 \| moderate	12.997 \| fine	52.178 \| good	3.066 \| good	0.544 \| good	16.369 \| good	0.207 \| good
2026-10-22T10:00:00.000Z	56 \| moderate	12.427 \| fine	49.439 \| good	5.547 \| good	0.543 \| good	13.595 \| good	0.23 \| good
2026-10-22T11:00:00.000Z	56 \| moderate	11.952 \| good	47.421 \| good	6.021 \| good	0.547 \| good	12.788 \| good	0.23 \| good
2026-10-22T12:00:00.000Z	54 \| moderate	10.921 \| good	43.089 \| good	5.537 \| good	0.557 \| good	11.85 \| good	0.21 \| good
2026-10-22T13:00:00.000Z	54 \| moderate	10.921 \| good	43.089 \| good	6.062 \| good	0.355 \| good	12.358 \| good	0.21 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	10.352 \| good	42.208 \| good	5.732 \| good	0.48 \| good	12.066 \| good	0.215 \| good
2026-10-22T15:00:00.000Z	52 \| moderate	9.952 \| good	42.629 \| good	6.597 \| good	0.565 \| good	13.373 \| good	0.251 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	11.801 \| good	50.267 \| good	6.229 \| good	0.518 \| good	15.221 \| good	0.269 \| good
2026-10-22T17:00:00.000Z	56 \| moderate	11.509 \| good	49.281 \| good	8.34 \| good	0.579 \| good	13.015 \| good	0.227 \| good
2026-10-22T18:00:00.000Z	49 \| good	9.351 \| good	39.317 \| good	11.48 \| good	0.697 \| good	11.63 \| good	0.249 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.629 \| good	32.637 \| good	12.218 \| good	0.715 \| good	10.717 \| good	0.242 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.011 \| good	25.716 \| good	13.564 \| good	0.646 \| good	8.079 \| good	0.149 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.287 \| good	27.644 \| good	12.219 \| good	0.633 \| good	8.252 \| good	0.154 \| good
2026-10-22T21:00:00.000Z	33 \| good	5.555 \| good	23.865 \| good	21.037 \| good	1.432 \| good	5.862 \| good	0.178 \| good
2026-10-22T22:00:00.000Z	27 \| good	4.805 \| good	20.721 \| good	22.669 \| good	1.373 \| good	5.494 \| good	0.169 \| good
2026-10-22T23:00:00.000Z	19 \| good	3.015 \| good	12.085 \| good	20.232 \| good	1.3 \| good	5.722 \| good	0.163 \| good
2026-10-23T00:00:00.000Z	16 \| good	2.192 \| good	8.955 \| good	16.803 \| good	1.224 \| good	6.811 \| good	0.164 \| good
2026-10-23T01:00:00.000Z	16 \| good	3.404 \| good	14.94 \| good	13.058 \| good	1.169 \| good	9.958 \| good	0.18 \| good
2026-10-23T02:00:00.000Z	27 \| good	5.011 \| good	21.328 \| good	8.407 \| good	1.133 \| good	13.916 \| good	0.205 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.991 \| good	31.115 \| good	6.623 \| good	1.089 \| good	16.227 \| good	0.216 \| good
2026-10-23T04:00:00.000Z	44 \| good	7.832 \| good	34.5 \| good	8.548 \| good	1.054 \| good	18.679 \| good	0.229 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.356 \| good	19.375 \| good	13.64 \| good	1.069 \| good	21.284 \| good	0.249 \| good
2026-10-23T06:00:00.000Z	24 \| good	3.253 \| good	14.211 \| good	16.11 \| good	1.09 \| good	25.087 \| good	0.282 \| good
2026-10-23T07:00:00.000Z	24 \| good	3.894 \| good	17.126 \| good	14.252 \| good	1.053 \| good	24.673 \| good	0.293 \| good
2026-10-23T08:00:00.000Z	21 \| good	3.165 \| good	13.831 \| good	20.223 \| good	0.95 \| good	22.023 \| good	0.265 \| good
2026-10-23T09:00:00.000Z	19 \| good	2.329 \| good	9.875 \| good	20.828 \| good	0.875 \| good	19.346 \| good	0.235 \| good
2026-10-23T10:00:00.000Z	17 \| good	2.374 \| good	9.914 \| good	16.413 \| good	0.842 \| good	18.315 \| good	0.222 \| good
2026-10-23T11:00:00.000Z	17 \| good	2.736 \| good	11.149 \| good	14.62 \| good	0.819 \| good	17.598 \| good	0.215 \| good
2026-10-23T12:00:00.000Z	22 \| good	3.523 \| good	15.866 \| good	11.865 \| good	0.811 \| good	16.815 \| good	0.209 \| good
2026-10-23T13:00:00.000Z	22 \| good	4.266 \| good	18.969 \| good	7.969 \| good	0.814 \| good	15.701 \| good	0.203 \| good
2026-10-23T14:00:00.000Z	27 \| good	4.913 \| good	21.195 \| good	3.574 \| good	0.823 \| good	14.99 \| good	0.202 \| good
2026-10-23T15:00:00.000Z	33 \| good	6.255 \| good	27.973 \| good	3.862 \| good	0.856 \| good	15.548 \| good	0.216 \| good
2026-10-23T16:00:00.000Z	38 \| good	7.115 \| good	31.959 \| good	8.068 \| good	0.86 \| good	13.385 \| good	0.223 \| good
2026-10-23T17:00:00.000Z	33 \| good	5.759 \| good	25.098 \| good	11.845 \| good	0.881 \| good	11.041 \| good	0.202 \| good
2026-10-23T18:00:00.000Z	22 \| good	3.845 \| good	16.943 \| good	16.399 \| good	0.94 \| good	8.62 \| good	0.183 \| good
2026-10-23T19:00:00.000Z	22 \| good	3.806 \| good	16.819 \| good	19.208 \| good	0.99 \| good	8.025 \| good	0.179 \| good
2026-10-23T20:00:00.000Z	27 \| good	4.804 \| good	20.93 \| good	21.549 \| good	1.04 \| good	7.475 \| good	0.178 \| good
2026-10-23T21:00:00.000Z	27 \| good	5.124 \| good	22.045 \| good	24.602 \| good	1.069 \| good	7.159 \| good	0.177 \| good
2026-10-23T22:00:00.000Z	27 \| good	5.209 \| good	22.903 \| good	28.84 \| good	1.08 \| good	7.132 \| good	0.177 \| good
2026-10-23T23:00:00.000Z	27 \| good	5.184 \| good	22.328 \| good	28.808 \| good	1.097 \| good	6.843 \| good	0.179 \| good
2026-10-24T00:00:00.000Z	33 \| good	5.587 \| good	24.23 \| good	19.77 \| good	1.117 \| good	8.349 \| good	0.184 \| good
2026-10-24T01:00:00.000Z	49 \| good	9.002 \| good	39.377 \| good	10.385 \| good	1.161 \| good	12.014 \| good	0.202 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.541 \| good	46.99 \| good	8.498 \| good	1.242 \| good	17.276 \| good	0.235 \| good
2026-10-24T03:00:00.000Z	56 \| moderate	12.235 \| fine	54.986 \| good	5.859 \| good	1.313 \| good	21.289 \| good	0.264 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.984 \| fine	58.942 \| fine	3.968 \| good	1.345 \| good	25.41 \| good	0.3 \| good
2026-10-24T05:00:00.000Z	58 \| moderate	13.346 \| fine	60.701 \| fine	3.815 \| good	1.325 \| good	28.008 \| good	0.333 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.679 \| fine	56.942 \| fine	3.314 \| good	1.278 \| good	27.874 \| good	0.358 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.679 \| fine	56.782 \| fine	2.945 \| good	1.205 \| good	26.887 \| good	0.375 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	12.885 \| fine	58.481 \| fine	3.024 \| good	1.093 \| good	25.8 \| good	0.379 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.703 \| good	51.776 \| good	3.039 \| good	0.992 \| good	24.527 \| good	0.38 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.525 \| good	50.804 \| good	3.255 \| good	0.911 \| good	23.213 \| good	0.376 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	10.942 \| good	48.543 \| good	5.481 \| good	0.845 \| good	21.797 \| good	0.37 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.973 \| good	53.505 \| good	4.219 \| good	0.806 \| good	20.542 \| good	0.356 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	12.695 \| fine	56.527 \| fine	2.703 \| good	0.765 \| good	19.921 \| good	0.343 \| good
2026-10-24T14:00:00.000Z	58 \| moderate	12.719 \| fine	56.48 \| fine	1.423 \| good	0.765 \| good	20.305 \| good	0.332 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	12.638 \| fine	56.409 \| fine	1.923 \| good	0.829 \| good	20.086 \| good	0.339 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	15.43 \| fine	68.61 \| fine	4.039 \| good	0.862 \| good	18.061 \| good	0.357 \| good
2026-10-24T17:00:00.000Z	62 \| moderate	14.93 \| fine	66.419 \| fine	6.081 \| good	0.879 \| good	16.057 \| good	0.324 \| good
2026-10-24T18:00:00.000Z	62 \| moderate	15.468 \| fine	68.464 \| fine	10.075 \| good	0.97 \| good	13.589 \| good	0.274 \| good
2026-10-24T19:00:00.000Z	64 \| moderate	16.26 \| fine	72.349 \| fine	13.637 \| good	1.089 \| good	11.531 \| good	0.241 \| good
2026-10-24T20:00:00.000Z	64 \| moderate	16.144 \| fine	72.403 \| fine	17.832 \| good	1.082 \| good	9.331 \| good	0.214 \| good

Live air quality index in SeaTac, Washington today

Major air pollutants in SeaTac, Washington

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

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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 Seatac, Washington at the moment?

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

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

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