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

The PM10 concentration in Yelm, Washington is 47.993 μg/m3 at the moment.

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

Currently, Yelm, Washington has a sulfur dioxide (SO2) concentration of 0.479 ppb.

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

The current ozone (O3) level in Yelm, Washington at the moment is 6.663 ppm.

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

Nitrogen dioxide (NO2) level in Yelm, Washington at the moment is 14.667 ppb.

Live air quality index in Yelm, Washington today

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

PM2.5 levels in Yelm, Washington are currently 9.803 μg/m3.

Stay updated with real-time air quality in Yelm, 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)

Moderate

Yelm, Washington

Last updated: ... (Local time)

Major air pollutants in Yelm, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.99 μg/m³

155

255

425

605+

Ozone (O₃)

6.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Yelm, Washington

Get Live Pollen Counts

Yelm, Washington

Scroll To Air Quality Map

Track live Yelm, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	44 \| good	7.638 \| good	30.271 \| good	14.167 \| good	0.435 \| good	7.671 \| good	0.155 \| good
2026-10-20T21:00:00.000Z	33 \| good	6.17 \| good	28.47 \| good	16.179 \| good	0.437 \| good	8.267 \| good	0.185 \| good
2026-10-20T22:00:00.000Z	33 \| good	6.307 \| good	28.901 \| good	18.49 \| good	0.471 \| good	9.014 \| good	0.215 \| good
2026-10-20T23:00:00.000Z	38 \| good	6.564 \| good	28.297 \| good	21.73 \| good	0.456 \| good	10.638 \| good	0.215 \| good
2026-10-21T00:00:00.000Z	33 \| good	6.33 \| good	27.092 \| good	18.922 \| good	0.428 \| good	10.365 \| good	0.215 \| good
2026-10-21T01:00:00.000Z	33 \| good	5.708 \| good	24.614 \| good	16.19 \| good	0.458 \| good	10.103 \| good	0.245 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.355 \| good	18.943 \| good	14.614 \| good	0.416 \| good	9.8 \| good	0.225 \| good
2026-10-21T03:00:00.000Z	54 \| moderate	10.561 \| good	47.003 \| good	4.511 \| good	1.348 \| good	15 \| good	0.284 \| good
2026-10-21T04:00:00.000Z	38 \| good	7.029 \| good	39.536 \| good	7.319 \| good	0.431 \| good	13.4 \| good	0.23 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.728 \| good	33.271 \| good	8.788 \| good	0.429 \| good	11.477 \| good	0.215 \| good
2026-10-21T06:00:00.000Z	31 \| good	4.804 \| good	34.338 \| good	5.948 \| good	0.396 \| good	12.471 \| good	0.284 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.386 \| good	25.707 \| good	6.188 \| good	0.391 \| good	11.921 \| good	0.284 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.966 \| good	43.481 \| good	1.634 \| good	0.348 \| good	14.702 \| good	0.251 \| good
2026-10-21T09:00:00.000Z	49 \| good	9.463 \| good	46.861 \| good	2.523 \| good	0.419 \| good	14.528 \| good	0.28 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	9.644 \| good	54.172 \| good	5.846 \| good	0.381 \| good	12.597 \| good	0.255 \| good
2026-10-21T11:00:00.000Z	49 \| good	8.625 \| good	33.749 \| good	4.277 \| good	0.374 \| good	11.4 \| good	0.345 \| good
2026-10-21T12:00:00.000Z	52 \| moderate	9.717 \| good	46.223 \| good	4.849 \| good	0.336 \| good	10.327 \| good	0.315 \| good
2026-10-21T13:00:00.000Z	52 \| moderate	10.035 \| good	41.451 \| good	3.242 \| good	0.336 \| good	10.609 \| good	0.329 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	9.802 \| good	27.791 \| good	1.883 \| good	0.343 \| good	11.794 \| good	0.402 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.42 \| good	47.245 \| good	2.769 \| good	0.518 \| good	12.159 \| good	0.463 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.37 \| fine	39.662 \| good	4.278 \| good	0.725 \| good	10.058 \| good	0.501 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	13.267 \| fine	57.187 \| fine	5.655 \| good	0.732 \| good	8.498 \| good	0.645 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.849 \| fine	37.716 \| good	7.787 \| good	0.624 \| good	14.261 \| good	0.478 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.74 \| fine	64.291 \| fine	12.718 \| good	0.648 \| good	15.771 \| good	0.407 \| good
2026-10-21T20:00:00.000Z	64 \| moderate	16.108 \| fine	68.731 \| fine	13.691 \| good	0.578 \| good	15.53 \| good	0.363 \| good
2026-10-21T21:00:00.000Z	62 \| moderate	15.358 \| fine	59.783 \| fine	19.56 \| good	0.602 \| good	14.911 \| good	0.379 \| good
2026-10-21T22:00:00.000Z	58 \| moderate	12.727 \| fine	50.015 \| good	25.381 \| good	0.698 \| good	11.452 \| good	0.305 \| good
2026-10-21T23:00:00.000Z	54 \| moderate	11.02 \| good	58.51 \| fine	27.513 \| good	0.91 \| good	11.051 \| good	0.335 \| good
2026-10-22T00:00:00.000Z	54 \| moderate	11.445 \| good	48.506 \| good	24.959 \| good	0.744 \| good	11.741 \| good	0.335 \| good
2026-10-22T01:00:00.000Z	56 \| moderate	11.597 \| good	46.808 \| good	25.635 \| good	0.744 \| good	12.753 \| good	0.335 \| good
2026-10-22T02:00:00.000Z	59 \| moderate	12.438 \| fine	70.704 \| fine	15.91 \| good	0.801 \| good	13.868 \| good	0.495 \| good
2026-10-22T03:00:00.000Z	84 \| moderate	27.017 \| fine	116.988 \| fine	19.457 \| good	0.649 \| good	14.108 \| good	0.32 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.752 \| fine	55.043 \| fine	6.326 \| good	0.571 \| good	12.411 \| good	0.636 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	16.875 \| fine	90.903 \| fine	7.039 \| good	0.479 \| good	12.899 \| good	0.561 \| good
2026-10-22T06:00:00.000Z	67 \| moderate	17.999 \| fine	75.718 \| fine	2.875 \| good	0.445 \| good	20.663 \| good	0.531 \| good
2026-10-22T07:00:00.000Z	67 \| moderate	18.048 \| fine	72.147 \| fine	1.649 \| good	0.438 \| good	23.129 \| good	0.516 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	14.239 \| fine	64.145 \| fine	2.551 \| good	0.459 \| good	18.576 \| good	0.429 \| good
2026-10-22T09:00:00.000Z	56 \| moderate	12.118 \| fine	46.949 \| good	2.358 \| good	0.411 \| good	17.777 \| good	0.287 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	10.779 \| good	36.536 \| good	1 \| good	0.422 \| good	15.972 \| good	0.382 \| good
2026-10-22T11:00:00.000Z	69 \| moderate	18.647 \| fine	86.611 \| fine	1 \| good	0.449 \| good	15.633 \| good	0.382 \| good
2026-10-22T12:00:00.000Z	67 \| moderate	18.016 \| fine	74.873 \| fine	3.158 \| good	0.481 \| good	15.36 \| good	0.311 \| good
2026-10-22T13:00:00.000Z	56 \| moderate	12.173 \| fine	53.794 \| good	1.935 \| good	0.349 \| good	14.46 \| good	0.296 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	9.856 \| good	48.174 \| good	3.879 \| good	0.471 \| good	14.897 \| good	0.31 \| good
2026-10-22T15:00:00.000Z	49 \| good	8.66 \| good	45.514 \| good	2.357 \| good	0.51 \| good	15.13 \| good	0.356 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	9.595 \| good	44.576 \| good	3.158 \| good	0.657 \| good	15.256 \| good	0.499 \| good
2026-10-22T17:00:00.000Z	54 \| moderate	11.201 \| good	45.742 \| good	5.682 \| good	0.663 \| good	15.489 \| good	0.469 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	9.803 \| good	47.993 \| good	6.663 \| good	0.479 \| good	14.667 \| good	0.314 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	9.803 \| good	47.993 \| good	6.663 \| good	0.479 \| good	14.667 \| good	0.314 \| good
2026-10-22T20:00:00.000Z	44 \| good	7.681 \| good	34.003 \| good	26.478 \| good	0.921 \| good	4.531 \| good	0.198 \| good
2026-10-22T21:00:00.000Z	28 \| good	5.142 \| good	22.007 \| good	29.805 \| good	0.962 \| good	3.647 \| good	0.183 \| good
2026-10-22T22:00:00.000Z	28 \| good	3.802 \| good	17.008 \| good	30.439 \| good	0.93 \| good	3.226 \| good	0.173 \| good
2026-10-22T23:00:00.000Z	27 \| good	1.772 \| good	7.012 \| good	29.227 \| good	0.852 \| good	3.011 \| good	0.164 \| good
2026-10-23T00:00:00.000Z	28 \| good	0.942 \| good	4.007 \| good	30.209 \| good	0.777 \| good	2.988 \| good	0.159 \| good
2026-10-23T01:00:00.000Z	25 \| good	0.602 \| good	2.004 \| good	27.415 \| good	0.719 \| good	3.749 \| good	0.163 \| good
2026-10-23T02:00:00.000Z	22 \| good	0.621 \| good	2.001 \| good	24.383 \| good	0.68 \| good	5.461 \| good	0.178 \| good
2026-10-23T03:00:00.000Z	21 \| good	0.152 \| good	0.005 \| good	22.506 \| good	0.634 \| good	6.075 \| good	0.179 \| good
2026-10-23T04:00:00.000Z	22 \| good	1.281 \| good	5 \| good	23.857 \| good	0.597 \| good	6.708 \| good	0.182 \| good
2026-10-23T05:00:00.000Z	23 \| good	2.02 \| good	8 \| good	24.834 \| good	0.607 \| good	7.957 \| good	0.196 \| good
2026-10-23T06:00:00.000Z	21 \| good	1.96 \| good	8.001 \| good	23.341 \| good	0.614 \| good	8.092 \| good	0.206 \| good
2026-10-23T07:00:00.000Z	19 \| good	2.44 \| good	10 \| good	20.519 \| good	0.591 \| good	7.842 \| good	0.209 \| good
2026-10-23T08:00:00.000Z	19 \| good	1.501 \| good	6.002 \| good	20.054 \| good	0.525 \| good	7.025 \| good	0.204 \| good
2026-10-23T09:00:00.000Z	18 \| good	0.84 \| good	3.002 \| good	19.285 \| good	0.472 \| good	6.332 \| good	0.193 \| good
2026-10-23T10:00:00.000Z	15 \| good	0.571 \| good	2.001 \| good	15.943 \| good	0.433 \| good	5.888 \| good	0.186 \| good
2026-10-23T11:00:00.000Z	16 \| good	1.351 \| good	4.999 \| good	16.534 \| good	0.395 \| good	5.521 \| good	0.183 \| good
2026-10-23T12:00:00.000Z	8 \| good	1.08 \| good	4.001 \| good	9.424 \| good	0.386 \| good	5.275 \| good	0.179 \| good
2026-10-23T13:00:00.000Z	7 \| good	1.491 \| good	6.003 \| good	7.885 \| good	0.385 \| good	4.977 \| good	0.177 \| good
2026-10-23T14:00:00.000Z	16 \| good	2.75 \| good	11.002 \| good	7.814 \| good	0.383 \| good	5.332 \| good	0.18 \| good
2026-10-23T15:00:00.000Z	22 \| good	3.801 \| good	16.997 \| good	9.789 \| good	0.394 \| good	6.831 \| good	0.203 \| good
2026-10-23T16:00:00.000Z	13 \| good	2.32 \| good	9.998 \| good	14.265 \| good	0.372 \| good	7.361 \| good	0.241 \| good
2026-10-23T17:00:00.000Z	19 \| good	0.841 \| good	3.003 \| good	20.418 \| good	0.404 \| good	5.02 \| good	0.203 \| good
2026-10-23T18:00:00.000Z	20 \| good	2.6 \| good	10.998 \| good	21.992 \| good	0.557 \| good	2.288 \| good	0.16 \| good
2026-10-23T19:00:00.000Z	22 \| good	3.84 \| good	16.997 \| good	23.437 \| good	0.623 \| good	1.844 \| good	0.154 \| good
2026-10-23T20:00:00.000Z	22 \| good	3.84 \| good	16.999 \| good	24.497 \| good	0.7 \| good	1.746 \| good	0.153 \| good
2026-10-23T21:00:00.000Z	24 \| good	3.161 \| good	14 \| good	26.2 \| good	0.737 \| good	1.781 \| good	0.155 \| good
2026-10-23T22:00:00.000Z	24 \| good	2.801 \| good	12.002 \| good	25.693 \| good	0.771 \| good	2.01 \| good	0.157 \| good
2026-10-23T23:00:00.000Z	25 \| good	2.602 \| good	11.001 \| good	26.56 \| good	0.796 \| good	2.381 \| good	0.159 \| good
2026-10-24T00:00:00.000Z	25 \| good	2.13 \| good	9 \| good	27.251 \| good	0.816 \| good	3.036 \| good	0.163 \| good
2026-10-24T01:00:00.000Z	21 \| good	1.391 \| good	5.008 \| good	23.039 \| good	0.81 \| good	5.331 \| good	0.186 \| good
2026-10-24T02:00:00.000Z	17 \| good	1.822 \| good	8.004 \| good	17.802 \| good	0.867 \| good	9.18 \| good	0.223 \| good
2026-10-24T03:00:00.000Z	17 \| good	2.073 \| good	8.006 \| good	17.815 \| good	0.92 \| good	12.004 \| good	0.254 \| good
2026-10-24T04:00:00.000Z	18 \| good	2.631 \| good	11.003 \| good	18.675 \| good	0.916 \| good	12.858 \| good	0.28 \| good
2026-10-24T05:00:00.000Z	27 \| good	4.571 \| good	19.997 \| good	18.572 \| good	0.846 \| good	12.801 \| good	0.294 \| good
2026-10-24T06:00:00.000Z	18 \| good	2.122 \| good	9.002 \| good	18.564 \| good	0.756 \| good	12.279 \| good	0.3 \| good
2026-10-24T07:00:00.000Z	15 \| good	1.161 \| good	5.005 \| good	16.115 \| good	0.663 \| good	11.504 \| good	0.297 \| good
2026-10-24T08:00:00.000Z	13 \| good	1.332 \| good	5.001 \| good	14.311 \| good	0.55 \| good	10.464 \| good	0.287 \| good
2026-10-24T09:00:00.000Z	13 \| good	1.602 \| good	6.999 \| good	14.183 \| good	0.444 \| good	9.601 \| good	0.275 \| good
2026-10-24T10:00:00.000Z	12 \| good	1.605 \| good	7.001 \| good	12.879 \| good	0.332 \| good	8.903 \| good	0.264 \| good
2026-10-24T11:00:00.000Z	14 \| good	0.972 \| good	4.006 \| good	14.677 \| good	0.246 \| good	8.363 \| good	0.253 \| good
2026-10-24T12:00:00.000Z	11 \| good	1.531 \| good	6.005 \| good	12.338 \| good	0.194 \| good	7.74 \| good	0.239 \| good
2026-10-24T13:00:00.000Z	11 \| good	1.602 \| good	7.005 \| good	10.947 \| good	0.169 \| good	7.047 \| good	0.227 \| good
2026-10-24T14:00:00.000Z	12 \| good	0.654 \| good	2.018 \| good	12.856 \| good	0.223 \| good	6.586 \| good	0.215 \| good
2026-10-24T15:00:00.000Z	13 \| good	0.594 \| good	2.018 \| good	13.615 \| good	0.269 \| good	6.214 \| good	0.213 \| good
2026-10-24T16:00:00.000Z	14 \| good	2.054 \| good	8.019 \| good	15.304 \| good	0.286 \| good	5.137 \| good	0.217 \| good
2026-10-24T17:00:00.000Z	17 \| good	2.594 \| good	10.018 \| good	18.21 \| good	0.34 \| good	3.737 \| good	0.199 \| good
2026-10-24T18:00:00.000Z	22 \| good	4.351 \| good	19.005 \| good	19.791 \| good	0.399 \| good	2.743 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	27 \| good	4.94 \| good	21.004 \| good	22.273 \| good	0.5 \| good	2.111 \| good	0.176 \| good

Yelm

Get reliable air quality data to drive your business

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

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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 Yelm, Washington?

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

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

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

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

In the last 24 hours, the best air quality in Yelm, Washington was observed at 03:00:00 on 2026-10-22.

What is the AQI in Yelm, Washington right now?

As of now, the AQI in Yelm, Washington is 52, indicating Moderate conditions.

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

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

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

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

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

PM_2.5 levels in Yelm, Washington are currently 9.803 μg/m³.

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

The PM₁₀ concentration in Yelm, Washington is 47.993 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Yelm, Washington is 0.314 ppm.

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

Currently, Yelm, Washington has a sulfur dioxide (SO₂) concentration of 0.479 ppb.

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

The current ozone (O₃) level in Yelm, Washington at the moment is 6.663 ppm.

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

Nitrogen dioxide (NO₂) level in Yelm, Washington at the moment is 14.667 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	44 \| good	7.638 \| good	30.271 \| good	14.167 \| good	0.435 \| good	7.671 \| good	0.155 \| good
2026-10-20T21:00:00.000Z	33 \| good	6.17 \| good	28.47 \| good	16.179 \| good	0.437 \| good	8.267 \| good	0.185 \| good
2026-10-20T22:00:00.000Z	33 \| good	6.307 \| good	28.901 \| good	18.49 \| good	0.471 \| good	9.014 \| good	0.215 \| good
2026-10-20T23:00:00.000Z	38 \| good	6.564 \| good	28.297 \| good	21.73 \| good	0.456 \| good	10.638 \| good	0.215 \| good
2026-10-21T00:00:00.000Z	33 \| good	6.33 \| good	27.092 \| good	18.922 \| good	0.428 \| good	10.365 \| good	0.215 \| good
2026-10-21T01:00:00.000Z	33 \| good	5.708 \| good	24.614 \| good	16.19 \| good	0.458 \| good	10.103 \| good	0.245 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.355 \| good	18.943 \| good	14.614 \| good	0.416 \| good	9.8 \| good	0.225 \| good
2026-10-21T03:00:00.000Z	54 \| moderate	10.561 \| good	47.003 \| good	4.511 \| good	1.348 \| good	15 \| good	0.284 \| good
2026-10-21T04:00:00.000Z	38 \| good	7.029 \| good	39.536 \| good	7.319 \| good	0.431 \| good	13.4 \| good	0.23 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.728 \| good	33.271 \| good	8.788 \| good	0.429 \| good	11.477 \| good	0.215 \| good
2026-10-21T06:00:00.000Z	31 \| good	4.804 \| good	34.338 \| good	5.948 \| good	0.396 \| good	12.471 \| good	0.284 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.386 \| good	25.707 \| good	6.188 \| good	0.391 \| good	11.921 \| good	0.284 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.966 \| good	43.481 \| good	1.634 \| good	0.348 \| good	14.702 \| good	0.251 \| good
2026-10-21T09:00:00.000Z	49 \| good	9.463 \| good	46.861 \| good	2.523 \| good	0.419 \| good	14.528 \| good	0.28 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	9.644 \| good	54.172 \| good	5.846 \| good	0.381 \| good	12.597 \| good	0.255 \| good
2026-10-21T11:00:00.000Z	49 \| good	8.625 \| good	33.749 \| good	4.277 \| good	0.374 \| good	11.4 \| good	0.345 \| good
2026-10-21T12:00:00.000Z	52 \| moderate	9.717 \| good	46.223 \| good	4.849 \| good	0.336 \| good	10.327 \| good	0.315 \| good
2026-10-21T13:00:00.000Z	52 \| moderate	10.035 \| good	41.451 \| good	3.242 \| good	0.336 \| good	10.609 \| good	0.329 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	9.802 \| good	27.791 \| good	1.883 \| good	0.343 \| good	11.794 \| good	0.402 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.42 \| good	47.245 \| good	2.769 \| good	0.518 \| good	12.159 \| good	0.463 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.37 \| fine	39.662 \| good	4.278 \| good	0.725 \| good	10.058 \| good	0.501 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	13.267 \| fine	57.187 \| fine	5.655 \| good	0.732 \| good	8.498 \| good	0.645 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.849 \| fine	37.716 \| good	7.787 \| good	0.624 \| good	14.261 \| good	0.478 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.74 \| fine	64.291 \| fine	12.718 \| good	0.648 \| good	15.771 \| good	0.407 \| good
2026-10-21T20:00:00.000Z	64 \| moderate	16.108 \| fine	68.731 \| fine	13.691 \| good	0.578 \| good	15.53 \| good	0.363 \| good
2026-10-21T21:00:00.000Z	62 \| moderate	15.358 \| fine	59.783 \| fine	19.56 \| good	0.602 \| good	14.911 \| good	0.379 \| good
2026-10-21T22:00:00.000Z	58 \| moderate	12.727 \| fine	50.015 \| good	25.381 \| good	0.698 \| good	11.452 \| good	0.305 \| good
2026-10-21T23:00:00.000Z	54 \| moderate	11.02 \| good	58.51 \| fine	27.513 \| good	0.91 \| good	11.051 \| good	0.335 \| good
2026-10-22T00:00:00.000Z	54 \| moderate	11.445 \| good	48.506 \| good	24.959 \| good	0.744 \| good	11.741 \| good	0.335 \| good
2026-10-22T01:00:00.000Z	56 \| moderate	11.597 \| good	46.808 \| good	25.635 \| good	0.744 \| good	12.753 \| good	0.335 \| good
2026-10-22T02:00:00.000Z	59 \| moderate	12.438 \| fine	70.704 \| fine	15.91 \| good	0.801 \| good	13.868 \| good	0.495 \| good
2026-10-22T03:00:00.000Z	84 \| moderate	27.017 \| fine	116.988 \| fine	19.457 \| good	0.649 \| good	14.108 \| good	0.32 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.752 \| fine	55.043 \| fine	6.326 \| good	0.571 \| good	12.411 \| good	0.636 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	16.875 \| fine	90.903 \| fine	7.039 \| good	0.479 \| good	12.899 \| good	0.561 \| good
2026-10-22T06:00:00.000Z	67 \| moderate	17.999 \| fine	75.718 \| fine	2.875 \| good	0.445 \| good	20.663 \| good	0.531 \| good
2026-10-22T07:00:00.000Z	67 \| moderate	18.048 \| fine	72.147 \| fine	1.649 \| good	0.438 \| good	23.129 \| good	0.516 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	14.239 \| fine	64.145 \| fine	2.551 \| good	0.459 \| good	18.576 \| good	0.429 \| good
2026-10-22T09:00:00.000Z	56 \| moderate	12.118 \| fine	46.949 \| good	2.358 \| good	0.411 \| good	17.777 \| good	0.287 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	10.779 \| good	36.536 \| good	1 \| good	0.422 \| good	15.972 \| good	0.382 \| good
2026-10-22T11:00:00.000Z	69 \| moderate	18.647 \| fine	86.611 \| fine	1 \| good	0.449 \| good	15.633 \| good	0.382 \| good
2026-10-22T12:00:00.000Z	67 \| moderate	18.016 \| fine	74.873 \| fine	3.158 \| good	0.481 \| good	15.36 \| good	0.311 \| good
2026-10-22T13:00:00.000Z	56 \| moderate	12.173 \| fine	53.794 \| good	1.935 \| good	0.349 \| good	14.46 \| good	0.296 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	9.856 \| good	48.174 \| good	3.879 \| good	0.471 \| good	14.897 \| good	0.31 \| good
2026-10-22T15:00:00.000Z	49 \| good	8.66 \| good	45.514 \| good	2.357 \| good	0.51 \| good	15.13 \| good	0.356 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	9.595 \| good	44.576 \| good	3.158 \| good	0.657 \| good	15.256 \| good	0.499 \| good
2026-10-22T17:00:00.000Z	54 \| moderate	11.201 \| good	45.742 \| good	5.682 \| good	0.663 \| good	15.489 \| good	0.469 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	9.803 \| good	47.993 \| good	6.663 \| good	0.479 \| good	14.667 \| good	0.314 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	9.803 \| good	47.993 \| good	6.663 \| good	0.479 \| good	14.667 \| good	0.314 \| good
2026-10-22T20:00:00.000Z	44 \| good	7.681 \| good	34.003 \| good	26.478 \| good	0.921 \| good	4.531 \| good	0.198 \| good
2026-10-22T21:00:00.000Z	28 \| good	5.142 \| good	22.007 \| good	29.805 \| good	0.962 \| good	3.647 \| good	0.183 \| good
2026-10-22T22:00:00.000Z	28 \| good	3.802 \| good	17.008 \| good	30.439 \| good	0.93 \| good	3.226 \| good	0.173 \| good
2026-10-22T23:00:00.000Z	27 \| good	1.772 \| good	7.012 \| good	29.227 \| good	0.852 \| good	3.011 \| good	0.164 \| good
2026-10-23T00:00:00.000Z	28 \| good	0.942 \| good	4.007 \| good	30.209 \| good	0.777 \| good	2.988 \| good	0.159 \| good
2026-10-23T01:00:00.000Z	25 \| good	0.602 \| good	2.004 \| good	27.415 \| good	0.719 \| good	3.749 \| good	0.163 \| good
2026-10-23T02:00:00.000Z	22 \| good	0.621 \| good	2.001 \| good	24.383 \| good	0.68 \| good	5.461 \| good	0.178 \| good
2026-10-23T03:00:00.000Z	21 \| good	0.152 \| good	0.005 \| good	22.506 \| good	0.634 \| good	6.075 \| good	0.179 \| good
2026-10-23T04:00:00.000Z	22 \| good	1.281 \| good	5 \| good	23.857 \| good	0.597 \| good	6.708 \| good	0.182 \| good
2026-10-23T05:00:00.000Z	23 \| good	2.02 \| good	8 \| good	24.834 \| good	0.607 \| good	7.957 \| good	0.196 \| good
2026-10-23T06:00:00.000Z	21 \| good	1.96 \| good	8.001 \| good	23.341 \| good	0.614 \| good	8.092 \| good	0.206 \| good
2026-10-23T07:00:00.000Z	19 \| good	2.44 \| good	10 \| good	20.519 \| good	0.591 \| good	7.842 \| good	0.209 \| good
2026-10-23T08:00:00.000Z	19 \| good	1.501 \| good	6.002 \| good	20.054 \| good	0.525 \| good	7.025 \| good	0.204 \| good
2026-10-23T09:00:00.000Z	18 \| good	0.84 \| good	3.002 \| good	19.285 \| good	0.472 \| good	6.332 \| good	0.193 \| good
2026-10-23T10:00:00.000Z	15 \| good	0.571 \| good	2.001 \| good	15.943 \| good	0.433 \| good	5.888 \| good	0.186 \| good
2026-10-23T11:00:00.000Z	16 \| good	1.351 \| good	4.999 \| good	16.534 \| good	0.395 \| good	5.521 \| good	0.183 \| good
2026-10-23T12:00:00.000Z	8 \| good	1.08 \| good	4.001 \| good	9.424 \| good	0.386 \| good	5.275 \| good	0.179 \| good
2026-10-23T13:00:00.000Z	7 \| good	1.491 \| good	6.003 \| good	7.885 \| good	0.385 \| good	4.977 \| good	0.177 \| good
2026-10-23T14:00:00.000Z	16 \| good	2.75 \| good	11.002 \| good	7.814 \| good	0.383 \| good	5.332 \| good	0.18 \| good
2026-10-23T15:00:00.000Z	22 \| good	3.801 \| good	16.997 \| good	9.789 \| good	0.394 \| good	6.831 \| good	0.203 \| good
2026-10-23T16:00:00.000Z	13 \| good	2.32 \| good	9.998 \| good	14.265 \| good	0.372 \| good	7.361 \| good	0.241 \| good
2026-10-23T17:00:00.000Z	19 \| good	0.841 \| good	3.003 \| good	20.418 \| good	0.404 \| good	5.02 \| good	0.203 \| good
2026-10-23T18:00:00.000Z	20 \| good	2.6 \| good	10.998 \| good	21.992 \| good	0.557 \| good	2.288 \| good	0.16 \| good
2026-10-23T19:00:00.000Z	22 \| good	3.84 \| good	16.997 \| good	23.437 \| good	0.623 \| good	1.844 \| good	0.154 \| good
2026-10-23T20:00:00.000Z	22 \| good	3.84 \| good	16.999 \| good	24.497 \| good	0.7 \| good	1.746 \| good	0.153 \| good
2026-10-23T21:00:00.000Z	24 \| good	3.161 \| good	14 \| good	26.2 \| good	0.737 \| good	1.781 \| good	0.155 \| good
2026-10-23T22:00:00.000Z	24 \| good	2.801 \| good	12.002 \| good	25.693 \| good	0.771 \| good	2.01 \| good	0.157 \| good
2026-10-23T23:00:00.000Z	25 \| good	2.602 \| good	11.001 \| good	26.56 \| good	0.796 \| good	2.381 \| good	0.159 \| good
2026-10-24T00:00:00.000Z	25 \| good	2.13 \| good	9 \| good	27.251 \| good	0.816 \| good	3.036 \| good	0.163 \| good
2026-10-24T01:00:00.000Z	21 \| good	1.391 \| good	5.008 \| good	23.039 \| good	0.81 \| good	5.331 \| good	0.186 \| good
2026-10-24T02:00:00.000Z	17 \| good	1.822 \| good	8.004 \| good	17.802 \| good	0.867 \| good	9.18 \| good	0.223 \| good
2026-10-24T03:00:00.000Z	17 \| good	2.073 \| good	8.006 \| good	17.815 \| good	0.92 \| good	12.004 \| good	0.254 \| good
2026-10-24T04:00:00.000Z	18 \| good	2.631 \| good	11.003 \| good	18.675 \| good	0.916 \| good	12.858 \| good	0.28 \| good
2026-10-24T05:00:00.000Z	27 \| good	4.571 \| good	19.997 \| good	18.572 \| good	0.846 \| good	12.801 \| good	0.294 \| good
2026-10-24T06:00:00.000Z	18 \| good	2.122 \| good	9.002 \| good	18.564 \| good	0.756 \| good	12.279 \| good	0.3 \| good
2026-10-24T07:00:00.000Z	15 \| good	1.161 \| good	5.005 \| good	16.115 \| good	0.663 \| good	11.504 \| good	0.297 \| good
2026-10-24T08:00:00.000Z	13 \| good	1.332 \| good	5.001 \| good	14.311 \| good	0.55 \| good	10.464 \| good	0.287 \| good
2026-10-24T09:00:00.000Z	13 \| good	1.602 \| good	6.999 \| good	14.183 \| good	0.444 \| good	9.601 \| good	0.275 \| good
2026-10-24T10:00:00.000Z	12 \| good	1.605 \| good	7.001 \| good	12.879 \| good	0.332 \| good	8.903 \| good	0.264 \| good
2026-10-24T11:00:00.000Z	14 \| good	0.972 \| good	4.006 \| good	14.677 \| good	0.246 \| good	8.363 \| good	0.253 \| good
2026-10-24T12:00:00.000Z	11 \| good	1.531 \| good	6.005 \| good	12.338 \| good	0.194 \| good	7.74 \| good	0.239 \| good
2026-10-24T13:00:00.000Z	11 \| good	1.602 \| good	7.005 \| good	10.947 \| good	0.169 \| good	7.047 \| good	0.227 \| good
2026-10-24T14:00:00.000Z	12 \| good	0.654 \| good	2.018 \| good	12.856 \| good	0.223 \| good	6.586 \| good	0.215 \| good
2026-10-24T15:00:00.000Z	13 \| good	0.594 \| good	2.018 \| good	13.615 \| good	0.269 \| good	6.214 \| good	0.213 \| good
2026-10-24T16:00:00.000Z	14 \| good	2.054 \| good	8.019 \| good	15.304 \| good	0.286 \| good	5.137 \| good	0.217 \| good
2026-10-24T17:00:00.000Z	17 \| good	2.594 \| good	10.018 \| good	18.21 \| good	0.34 \| good	3.737 \| good	0.199 \| good
2026-10-24T18:00:00.000Z	22 \| good	4.351 \| good	19.005 \| good	19.791 \| good	0.399 \| good	2.743 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	27 \| good	4.94 \| good	21.004 \| good	22.273 \| good	0.5 \| good	2.111 \| good	0.176 \| good

Live air quality index in Yelm, Washington today

Major air pollutants in Yelm, 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)

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