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

The PM10 concentration in Issaquah, Washington is 4.471 μg/m3 at the moment.

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

Currently, Issaquah, Washington has a sulfur dioxide (SO2) concentration of 0.163 ppb.

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

The current ozone (O3) level in Issaquah, Washington at the moment is 24.626 ppm.

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

Nitrogen dioxide (NO2) level in Issaquah, Washington at the moment is 15.007 ppb.

Live air quality index in Issaquah, Washington today

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

PM2.5 levels in Issaquah, Washington are currently 1.399 μg/m3.

Stay updated with real-time air quality in Issaquah, 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

Issaquah, Washington

Last updated: ... (Local time)

Major air pollutants in Issaquah, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.40 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

4.47 μg/m³

155

255

425

605+

Ozone (O₃)

24.63 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.01 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

Issaquah, Washington

Scroll To Air Quality Map

Track live Issaquah, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-09T17:00:00.000Z	29 \| good	1.505 \| good	6.217 \| good	31.422 \| good	0.388 \| good	11.595 \| good	0.173 \| good
2026-03-09T18:00:00.000Z	31 \| good	2.082 \| good	7.385 \| good	33.994 \| good	0.134 \| good	10.086 \| good	0.169 \| good
2026-03-09T19:00:00.000Z	30 \| good	1.987 \| good	6.725 \| good	31.651 \| good	0.136 \| good	8.837 \| good	0.169 \| good
2026-03-09T20:00:00.000Z	33 \| good	1.497 \| good	5.376 \| good	35.696 \| good	0.109 \| good	6.634 \| good	0.172 \| good
2026-03-09T21:00:00.000Z	35 \| good	1.579 \| good	6.23 \| good	37.826 \| good	0.14 \| good	7.887 \| good	0.172 \| good
2026-03-09T22:00:00.000Z	38 \| good	1.094 \| good	4.719 \| good	40.627 \| good	0.143 \| good	7.027 \| good	0.137 \| good
2026-03-09T23:00:00.000Z	33 \| good	1.176 \| good	4.522 \| good	36.196 \| good	0.137 \| good	7.21 \| good	0.172 \| good
2026-03-10T00:00:00.000Z	34 \| good	0.679 \| good	2.587 \| good	37.111 \| good	0.137 \| good	6.592 \| good	0.172 \| good
2026-03-10T01:00:00.000Z	35 \| good	0.512 \| good	1.811 \| good	38.381 \| good	0.126 \| good	5.899 \| good	0.172 \| good
2026-03-10T02:00:00.000Z	34 \| good	1.2 \| good	3.546 \| good	37.055 \| good	0.137 \| good	5.843 \| good	0.172 \| good
2026-03-10T03:00:00.000Z	33 \| good	6.108 \| good	26.788 \| good	23.229 \| good	0.604 \| good	5.385 \| good	0.162 \| good
2026-03-10T04:00:00.000Z	32 \| good	1.013 \| good	3.568 \| good	35.351 \| good	0.152 \| good	5.903 \| good	0.172 \| good
2026-03-10T05:00:00.000Z	32 \| good	1.379 \| good	4.285 \| good	34.861 \| good	0.129 \| good	7.24 \| good	0.172 \| good
2026-03-10T06:00:00.000Z	33 \| good	1.388 \| good	5.206 \| good	36.079 \| good	0.13 \| good	7.153 \| good	0.17 \| good
2026-03-10T07:00:00.000Z	34 \| good	2.118 \| good	8.438 \| good	37.035 \| good	0.13 \| good	7.387 \| good	0.17 \| good
2026-03-10T08:00:00.000Z	35 \| good	2.392 \| good	8.316 \| good	37.579 \| good	0.194 \| good	5.125 \| good	0.135 \| good
2026-03-10T09:00:00.000Z	34 \| good	1.703 \| good	7.394 \| good	36.548 \| good	0.155 \| good	4.716 \| good	0.135 \| good
2026-03-10T10:00:00.000Z	35 \| good	1.773 \| good	7.502 \| good	37.934 \| good	0.137 \| good	5.763 \| good	0.135 \| good
2026-03-10T11:00:00.000Z	31 \| good	1.719 \| good	7.149 \| good	33.705 \| good	0.181 \| good	7.948 \| good	0.137 \| good
2026-03-10T12:00:00.000Z	28 \| good	1.877 \| good	7.347 \| good	30.406 \| good	0.201 \| good	10.064 \| good	0.137 \| good
2026-03-10T13:00:00.000Z	27 \| good	1.91 \| good	7.73 \| good	29.234 \| good	0.208 \| good	10.913 \| good	0.137 \| good
2026-03-10T14:00:00.000Z	22 \| good	1.948 \| good	7.558 \| good	24.011 \| good	0.134 \| good	18.438 \| good	0.265 \| good
2026-03-10T15:00:00.000Z	24 \| good	2.234 \| good	8.938 \| good	25.553 \| good	0.352 \| good	18.361 \| good	0.231 \| good
2026-03-10T16:00:00.000Z	24 \| good	2.259 \| good	8.287 \| good	25.657 \| good	0.112 \| good	19.837 \| good	0.268 \| good
2026-03-10T17:00:00.000Z	27 \| good	2.067 \| good	7.674 \| good	28.743 \| good	0.115 \| good	14.895 \| good	0.262 \| good
2026-03-10T18:00:00.000Z	31 \| good	1.867 \| good	7.191 \| good	32.831 \| good	0.11 \| good	11.364 \| good	0.227 \| good
2026-03-10T19:00:00.000Z	31 \| good	2.337 \| good	8.654 \| good	32.699 \| good	0.159 \| good	10.081 \| good	0.227 \| good
2026-03-10T20:00:00.000Z	31 \| good	2.043 \| good	7.738 \| good	33.546 \| good	0.138 \| good	8.271 \| good	0.172 \| good
2026-03-10T21:00:00.000Z	32 \| good	1.85 \| good	7.251 \| good	35.158 \| good	0.157 \| good	7.234 \| good	0.172 \| good
2026-03-10T22:00:00.000Z	33 \| good	1.848 \| good	6.456 \| good	35.972 \| good	0.158 \| good	7.15 \| good	0.169 \| good
2026-03-10T23:00:00.000Z	35 \| good	1.555 \| good	5.118 \| good	37.59 \| good	0.158 \| good	7.689 \| good	0.169 \| good
2026-03-11T00:00:00.000Z	32 \| good	1.803 \| good	6.48 \| good	35.312 \| good	0.158 \| good	7.939 \| good	0.172 \| good
2026-03-11T01:00:00.000Z	31 \| good	1.74 \| good	7.259 \| good	34.39 \| good	0.158 \| good	7.836 \| good	0.172 \| good
2026-03-11T02:00:00.000Z	30 \| good	2.392 \| good	8.513 \| good	32.342 \| good	0.138 \| good	7.839 \| good	0.173 \| good
2026-03-11T03:00:00.000Z	31 \| good	2.312 \| good	8.668 \| good	34.357 \| good	0.138 \| good	7.135 \| good	0.173 \| good
2026-03-11T04:00:00.000Z	33 \| good	1.989 \| good	7.534 \| good	35.68 \| good	0.139 \| good	6.481 \| good	0.138 \| good
2026-03-11T05:00:00.000Z	32 \| good	1.222 \| good	5.549 \| good	35.486 \| good	0.118 \| good	6.579 \| good	0.137 \| good
2026-03-11T06:00:00.000Z	31 \| good	0.966 \| good	3.238 \| good	33.426 \| good	0.158 \| good	7.233 \| good	0.137 \| good
2026-03-11T07:00:00.000Z	31 \| good	1.33 \| good	5.841 \| good	33.823 \| good	0.158 \| good	7.088 \| good	0.137 \| good
2026-03-11T08:00:00.000Z	31 \| good	1.414 \| good	4.743 \| good	33.429 \| good	0.158 \| good	4.858 \| good	0.137 \| good
2026-03-11T09:00:00.000Z	31 \| good	1.567 \| good	5.19 \| good	32.602 \| good	0.158 \| good	3.389 \| good	0.135 \| good
2026-03-11T10:00:00.000Z	31 \| good	1.408 \| good	4.737 \| good	32.596 \| good	0.158 \| good	6.795 \| good	0.135 \| good
2026-03-11T11:00:00.000Z	30 \| good	1.106 \| good	4.759 \| good	32.285 \| good	0.118 \| good	6.985 \| good	0.135 \| good
2026-03-11T12:00:00.000Z	31 \| good	0.872 \| good	3.549 \| good	34.291 \| good	0.158 \| good	7.728 \| good	0.169 \| good
2026-03-11T13:00:00.000Z	31 \| good	0.83 \| good	3.957 \| good	32.537 \| good	0.158 \| good	7.901 \| good	0.169 \| good
2026-03-11T14:00:00.000Z	27 \| good	1.198 \| good	3.965 \| good	29.129 \| good	0.155 \| good	15.388 \| good	0.195 \| good
2026-03-11T15:00:00.000Z	26 \| good	1.444 \| good	5.106 \| good	28.411 \| good	0.14 \| good	13.986 \| good	0.231 \| good
2026-03-11T16:00:00.000Z	23 \| good	1.399 \| good	4.471 \| good	24.626 \| good	0.163 \| good	15.007 \| good	0.227 \| good
2026-03-11T16:00:00.000Z	23 \| good	1.399 \| good	4.471 \| good	24.626 \| good	0.163 \| good	15.007 \| good	0.227 \| good
2026-03-11T17:00:00.000Z	26 \| good	1.937 \| good	7.826 \| good	28.355 \| good	0.469 \| good	5.398 \| good	0.173 \| good
2026-03-11T18:00:00.000Z	24 \| good	1.656 \| good	6.597 \| good	25.954 \| good	0.463 \| good	6.066 \| good	0.181 \| good
2026-03-11T19:00:00.000Z	22 \| good	1.802 \| good	7.312 \| good	23.578 \| good	0.413 \| good	5.273 \| good	0.173 \| good
2026-03-11T20:00:00.000Z	24 \| good	2.285 \| good	9.756 \| good	25.57 \| good	0.363 \| good	4.481 \| good	0.165 \| good
2026-03-11T21:00:00.000Z	27 \| good	2.516 \| good	10.5 \| good	28.617 \| good	0.313 \| good	3.689 \| good	0.157 \| good
2026-03-11T22:00:00.000Z	26 \| good	2.56 \| good	10.716 \| good	28.172 \| good	0.283 \| good	3.281 \| good	0.144 \| good
2026-03-11T23:00:00.000Z	25 \| good	2.839 \| good	11.677 \| good	26.632 \| good	0.253 \| good	2.874 \| good	0.13 \| good
2026-03-12T00:00:00.000Z	26 \| good	3.096 \| good	13.008 \| good	27.726 \| good	0.222 \| good	2.466 \| good	0.116 \| good
2026-03-12T01:00:00.000Z	25 \| good	2.751 \| good	11.51 \| good	26.921 \| good	0.218 \| good	2.412 \| good	0.117 \| good
2026-03-12T02:00:00.000Z	26 \| good	3.29 \| good	13.976 \| good	27.647 \| good	0.213 \| good	2.359 \| good	0.119 \| good
2026-03-12T03:00:00.000Z	22 \| good	3.799 \| good	16.958 \| good	24.378 \| good	0.209 \| good	2.305 \| good	0.121 \| good
2026-03-12T04:00:00.000Z	23 \| good	4.215 \| good	18.33 \| good	24.602 \| good	0.216 \| good	2.213 \| good	0.119 \| good
2026-03-12T05:00:00.000Z	27 \| good	3.328 \| good	13.977 \| good	28.625 \| good	0.222 \| good	2.121 \| good	0.117 \| good
2026-03-12T06:00:00.000Z	29 \| good	1.869 \| good	7.556 \| good	31.118 \| good	0.229 \| good	2.029 \| good	0.114 \| good
2026-03-12T07:00:00.000Z	29 \| good	1.669 \| good	6.774 \| good	30.66 \| good	0.224 \| good	1.754 \| good	0.12 \| good
2026-03-12T08:00:00.000Z	31 \| good	1.7 \| good	6.943 \| good	33.361 \| good	0.219 \| good	1.479 \| good	0.125 \| good
2026-03-12T09:00:00.000Z	32 \| good	1.871 \| good	7.556 \| good	35.258 \| good	0.214 \| good	1.204 \| good	0.13 \| good
2026-03-12T10:00:00.000Z	34 \| good	2.16 \| good	8.772 \| good	36.888 \| good	0.241 \| good	1.167 \| good	0.133 \| good
2026-03-12T11:00:00.000Z	32 \| good	2.194 \| good	8.866 \| good	35.322 \| good	0.268 \| good	1.129 \| good	0.136 \| good
2026-03-12T12:00:00.000Z	33 \| good	2.372 \| good	9.598 \| good	36.247 \| good	0.295 \| good	1.092 \| good	0.138 \| good
2026-03-12T13:00:00.000Z	35 \| good	2.506 \| good	10.184 \| good	37.725 \| good	0.349 \| good	1.666 \| good	0.142 \| good
2026-03-12T14:00:00.000Z	36 \| good	2.38 \| good	9.887 \| good	38.759 \| good	0.402 \| good	2.239 \| good	0.145 \| good
2026-03-12T15:00:00.000Z	33 \| good	2.814 \| good	11.767 \| good	36.386 \| good	0.456 \| good	2.813 \| good	0.149 \| good
2026-03-12T16:00:00.000Z	31 \| good	2.947 \| good	12.442 \| good	33.505 \| good	0.514 \| good	3.771 \| good	0.155 \| good
2026-03-12T17:00:00.000Z	31 \| good	2.99 \| good	12.718 \| good	32.977 \| good	0.572 \| good	4.729 \| good	0.162 \| good
2026-03-12T18:00:00.000Z	32 \| good	3.043 \| good	13.071 \| good	35.161 \| good	0.629 \| good	5.688 \| good	0.168 \| good
2026-03-12T19:00:00.000Z	34 \| good	3.04 \| good	13.08 \| good	37.398 \| good	0.636 \| good	5.517 \| good	0.168 \| good
2026-03-12T20:00:00.000Z	35 \| good	2.978 \| good	12.526 \| good	37.653 \| good	0.643 \| good	5.347 \| good	0.168 \| good
2026-03-12T21:00:00.000Z	33 \| good	2.813 \| good	11.802 \| good	35.98 \| good	0.65 \| good	5.176 \| good	0.168 \| good
2026-03-12T22:00:00.000Z	32 \| good	2.863 \| good	12.017 \| good	35.314 \| good	0.627 \| good	5.25 \| good	0.169 \| good
2026-03-12T23:00:00.000Z	32 \| good	2.715 \| good	11.128 \| good	34.534 \| good	0.603 \| good	5.323 \| good	0.169 \| good
2026-03-13T00:00:00.000Z	32 \| good	3.257 \| good	13.944 \| good	34.896 \| good	0.58 \| good	5.397 \| good	0.169 \| good
2026-03-13T01:00:00.000Z	32 \| good	3.259 \| good	13.922 \| good	35.18 \| good	0.57 \| good	5.809 \| good	0.174 \| good
2026-03-13T02:00:00.000Z	31 \| good	4.503 \| good	19.553 \| good	32.945 \| good	0.56 \| good	6.221 \| good	0.179 \| good
2026-03-13T03:00:00.000Z	27 \| good	4.857 \| good	21.147 \| good	26.284 \| good	0.549 \| good	6.633 \| good	0.184 \| good
2026-03-13T04:00:00.000Z	28 \| good	4.663 \| good	20.317 \| good	29.954 \| good	0.555 \| good	6.47 \| good	0.183 \| good
2026-03-13T05:00:00.000Z	30 \| good	4.649 \| good	20.563 \| good	31.626 \| good	0.56 \| good	6.308 \| good	0.182 \| good
2026-03-13T06:00:00.000Z	29 \| good	4.566 \| good	20.002 \| good	30.7 \| good	0.565 \| good	6.146 \| good	0.181 \| good
2026-03-13T07:00:00.000Z	30 \| good	4.311 \| good	18.709 \| good	31.582 \| good	0.534 \| good	5.44 \| good	0.176 \| good
2026-03-13T08:00:00.000Z	27 \| good	4.334 \| good	18.631 \| good	29.169 \| good	0.503 \| good	4.733 \| good	0.172 \| good
2026-03-13T09:00:00.000Z	26 \| good	4.413 \| good	19.048 \| good	27.811 \| good	0.472 \| good	4.026 \| good	0.168 \| good
2026-03-13T10:00:00.000Z	27 \| good	4.83 \| good	21.374 \| good	26.856 \| good	0.466 \| good	3.617 \| good	0.163 \| good
2026-03-13T11:00:00.000Z	27 \| good	5.038 \| good	22.071 \| good	26.322 \| good	0.46 \| good	3.207 \| good	0.159 \| good
2026-03-13T12:00:00.000Z	27 \| good	5.212 \| good	23.093 \| good	24.263 \| good	0.454 \| good	2.798 \| good	0.154 \| good
2026-03-13T13:00:00.000Z	33 \| good	5.565 \| good	24.3 \| good	21.975 \| good	0.503 \| good	4.014 \| good	0.161 \| good
2026-03-13T14:00:00.000Z	27 \| good	5.272 \| good	23.098 \| good	20.715 \| good	0.553 \| good	5.23 \| good	0.168 \| good
2026-03-13T15:00:00.000Z	33 \| good	5.726 \| good	25.251 \| good	17.557 \| good	0.602 \| good	6.446 \| good	0.174 \| good
2026-03-13T16:00:00.000Z	33 \| good	5.961 \| good	26.166 \| good	16.856 \| good	0.673 \| good	7.543 \| good	0.183 \| good

Issaquah

Get reliable air quality data to drive your business

Issaquah, 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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Issaquah, Washington?

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

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

In the past 24 hours, the air quality in Issaquah, Washington was at its worst at 11:00:00 on 2026-03-10.

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

In the last 24 hours, the best air quality in Issaquah, Washington was observed at 04:00:00 on 2026-03-10.

What is the AQI in Issaquah, Washington right now?

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

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

Issaquah, Washington air has the highest levels of O3.

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

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

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

PM_2.5 levels in Issaquah, Washington are currently 1.399 μg/m³.

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

The PM₁₀ concentration in Issaquah, Washington is 4.471 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Issaquah, Washington is 0.227 ppm.

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

Currently, Issaquah, Washington has a sulfur dioxide (SO₂) concentration of 0.163 ppb.

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

The current ozone (O₃) level in Issaquah, Washington at the moment is 24.626 ppm.

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

Nitrogen dioxide (NO₂) level in Issaquah, Washington at the moment is 15.007 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions