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

The PM10 concentration in Issaquah, Washington is 68.301 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 0.158 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 9.076 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 16.11 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 8.174 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)

Moderate

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)

8.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

68.30 μg/m³

155

255

425

605+

Ozone (O₃)

9.08 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

16.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Issaquah, Washington

Get Live Pollen Counts

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
2026-07-19T14:00:00.000Z	22 \| good	4.139 \| good	17.447 \| good	9.845 \| good	0.441 \| good	3.954 \| good	0.114 \| good
2026-07-19T15:00:00.000Z	22 \| good	4.435 \| good	18.009 \| good	11.187 \| good	0.111 \| good	3.836 \| good	0.104 \| good
2026-07-19T16:00:00.000Z	27 \| good	4.831 \| good	19.31 \| good	18.027 \| good	0.109 \| good	4.933 \| good	0.143 \| good
2026-07-19T17:00:00.000Z	27 \| good	4.505 \| good	18.267 \| good	19.817 \| good	0.349 \| good	6.095 \| good	0.143 \| good
2026-07-19T18:00:00.000Z	22 \| good	4.101 \| good	15.493 \| good	22.289 \| good	0.194 \| good	6.069 \| good	0.138 \| good
2026-07-19T19:00:00.000Z	27 \| good	4.669 \| good	15.842 \| good	26.811 \| good	0.181 \| good	5.946 \| good	0.147 \| good
2026-07-19T20:00:00.000Z	29 \| good	4.625 \| good	16.209 \| good	31.178 \| good	0.169 \| good	5.928 \| good	0.147 \| good
2026-07-19T21:00:00.000Z	30 \| good	3.287 \| good	11.994 \| good	32.404 \| good	0.32 \| good	4.657 \| good	0.143 \| good
2026-07-19T22:00:00.000Z	32 \| good	3.302 \| good	13.84 \| good	34.651 \| good	0.317 \| good	4.646 \| good	0.147 \| good
2026-07-19T23:00:00.000Z	32 \| good	3.551 \| good	14.894 \| good	34.774 \| good	0.317 \| good	4.369 \| good	0.138 \| good
2026-07-20T00:00:00.000Z	31 \| good	3.326 \| good	14.103 \| good	33.781 \| good	0.321 \| good	4.335 \| good	0.143 \| good
2026-07-20T01:00:00.000Z	31 \| good	3.252 \| good	16.765 \| good	32.962 \| good	0.325 \| good	5.708 \| good	0.181 \| good
2026-07-20T02:00:00.000Z	31 \| good	3.05 \| good	14.515 \| good	33.604 \| good	0.331 \| good	7.057 \| good	0.181 \| good
2026-07-20T03:00:00.000Z	31 \| good	3.327 \| good	15.038 \| good	32.893 \| good	0.338 \| good	7.775 \| good	0.181 \| good
2026-07-20T04:00:00.000Z	28 \| good	2.468 \| good	9.75 \| good	30.396 \| good	0.378 \| good	9.268 \| good	0.219 \| good
2026-07-20T05:00:00.000Z	25 \| good	3.186 \| good	12.956 \| good	27.24 \| good	0.247 \| good	8.365 \| good	0.147 \| good
2026-07-20T06:00:00.000Z	23 \| good	3.927 \| good	17.899 \| good	25.099 \| good	0.261 \| good	9.225 \| good	0.105 \| good
2026-07-20T07:00:00.000Z	23 \| good	4.21 \| good	20.332 \| good	24.793 \| good	0.261 \| good	8.279 \| good	0.105 \| good
2026-07-20T08:00:00.000Z	27 \| good	4.77 \| good	19.92 \| good	18.666 \| good	0.237 \| good	7.043 \| good	0.109 \| good
2026-07-20T09:00:00.000Z	27 \| good	4.501 \| good	19.08 \| good	15.648 \| good	0.154 \| good	9.114 \| good	0.109 \| good
2026-07-20T10:00:00.000Z	22 \| good	4.442 \| good	18.97 \| good	15.712 \| good	0.16 \| good	8.052 \| good	0.109 \| good
2026-07-20T11:00:00.000Z	22 \| good	4.312 \| good	19.103 \| good	12.038 \| good	0.186 \| good	7.238 \| good	0.109 \| good
2026-07-20T12:00:00.000Z	27 \| good	4.581 \| good	20.555 \| good	11.07 \| good	0.191 \| good	7.574 \| good	0.109 \| good
2026-07-20T13:00:00.000Z	22 \| good	4.137 \| good	19.131 \| good	10.333 \| good	0.19 \| good	8.112 \| good	0.109 \| good
2026-07-20T14:00:00.000Z	16 \| good	3.497 \| good	16.398 \| good	10.103 \| good	0.111 \| good	12.159 \| good	0.109 \| good
2026-07-20T15:00:00.000Z	22 \| good	3.646 \| good	15.177 \| good	12.356 \| good	0.124 \| good	9.142 \| good	0.114 \| good
2026-07-20T16:00:00.000Z	22 \| good	3.617 \| good	14.246 \| good	16.939 \| good	0.28 \| good	9.421 \| good	0.104 \| good
2026-07-20T17:00:00.000Z	17 \| good	3.45 \| good	13.739 \| good	18.375 \| good	0.354 \| good	8.922 \| good	0.148 \| good
2026-07-20T18:00:00.000Z	22 \| good	3.627 \| good	12.235 \| good	17.249 \| good	0.383 \| good	9.289 \| good	0.152 \| good
2026-07-20T19:00:00.000Z	22 \| good	3.779 \| good	17.684 \| good	19.665 \| good	0.342 \| good	10.091 \| good	0.152 \| good
2026-07-20T20:00:00.000Z	25 \| good	3.708 \| good	13.403 \| good	27.423 \| good	0.31 \| good	12.072 \| good	0.195 \| good
2026-07-20T21:00:00.000Z	29 \| good	4.142 \| good	20.321 \| good	31.499 \| good	0.409 \| good	13.456 \| good	0.195 \| good
2026-07-20T22:00:00.000Z	34 \| good	5.154 \| good	20.72 \| good	36.999 \| good	0.29 \| good	12.51 \| good	0.195 \| good
2026-07-20T23:00:00.000Z	37 \| good	6.21 \| good	29.365 \| good	39.543 \| good	0.4 \| good	12.341 \| good	0.195 \| good
2026-07-21T00:00:00.000Z	43 \| good	6.807 \| good	30.981 \| good	45.53 \| good	0.398 \| good	17.079 \| good	0.191 \| good
2026-07-21T01:00:00.000Z	45 \| good	6.567 \| good	30.228 \| good	48.591 \| good	0.277 \| good	13.608 \| good	0.229 \| good
2026-07-21T02:00:00.000Z	44 \| good	7.02 \| good	32.31 \| good	48.282 \| good	0.278 \| good	17.369 \| good	0.314 \| good
2026-07-21T03:00:00.000Z	41 \| good	7.328 \| good	32.133 \| good	44.42 \| good	0.436 \| good	10.695 \| good	0.315 \| good
2026-07-21T04:00:00.000Z	49 \| good	8.797 \| good	37.933 \| good	37.994 \| good	0.64 \| good	13.155 \| good	0.357 \| good
2026-07-21T05:00:00.000Z	52 \| moderate	10.259 \| good	45.974 \| good	32.476 \| good	0.662 \| good	17.869 \| good	0.348 \| good
2026-07-21T06:00:00.000Z	58 \| moderate	12.78 \| fine	44.32 \| good	25.926 \| good	0.562 \| good	15.73 \| good	0.272 \| good
2026-07-21T07:00:00.000Z	64 \| moderate	15.92 \| fine	63.549 \| fine	27.825 \| good	0.561 \| good	14.857 \| good	0.272 \| good
2026-07-21T08:00:00.000Z	49 \| good	8.812 \| good	37.945 \| good	19.263 \| good	0.411 \| good	16.813 \| good	0.191 \| good
2026-07-21T09:00:00.000Z	54 \| moderate	11.396 \| good	37.261 \| good	16.267 \| good	0.332 \| good	15.125 \| good	0.238 \| good
2026-07-21T10:00:00.000Z	49 \| good	9.261 \| good	45.73 \| good	15.008 \| good	0.235 \| good	15.618 \| good	0.238 \| good
2026-07-21T11:00:00.000Z	52 \| moderate	9.595 \| good	44.419 \| good	15.515 \| good	0.231 \| good	13.608 \| good	0.238 \| good
2026-07-21T12:00:00.000Z	52 \| moderate	9.939 \| good	52.901 \| good	10.705 \| good	0.165 \| good	18.553 \| good	0.19 \| good
2026-07-21T13:00:00.000Z	51 \| moderate	8.58 \| good	55.342 \| fine	10.159 \| good	0.163 \| good	16.566 \| good	0.19 \| good
2026-07-21T13:00:00.000Z	57 \| moderate	8.174 \| good	68.301 \| fine	9.076 \| good	0.158 \| good	16.11 \| good	0.192 \| good
2026-07-21T14:00:00.000Z	82 \| moderate	26.196 \| fine	114.073 \| fine	25.718 \| good	0.434 \| good	11.777 \| good	0.334 \| good
2026-07-21T15:00:00.000Z	79 \| moderate	23.707 \| fine	104.027 \| fine	34.133 \| good	0.385 \| good	10.672 \| good	0.37 \| good
2026-07-21T16:00:00.000Z	79 \| moderate	24.008 \| fine	104.972 \| fine	40.717 \| good	0.581 \| good	6.969 \| good	0.27 \| good
2026-07-21T17:00:00.000Z	79 \| moderate	24.338 \| fine	105.948 \| fine	48.205 \| good	0.758 \| good	5.431 \| good	0.239 \| good
2026-07-21T18:00:00.000Z	79 \| moderate	24.306 \| fine	105.915 \| fine	57.941 \| fine	0.993 \| good	4.016 \| good	0.221 \| good
2026-07-21T19:00:00.000Z	87 \| moderate	28.127 \| fine	122.122 \| fine	66.281 \| fine	1.113 \| good	2.999 \| good	0.209 \| good
2026-07-21T20:00:00.000Z	108 \| sensitive	34.5 \| fine	150.056 \| fine	72.989 \| moderate	1.088 \| good	2.274 \| good	0.196 \| good
2026-07-21T21:00:00.000Z	126 \| sensitive	35.638 \| moderate	155.665 \| moderate	77.985 \| moderate	0.996 \| good	1.815 \| good	0.185 \| good
2026-07-21T22:00:00.000Z	126 \| sensitive	37.784 \| moderate	165.67 \| moderate	77.947 \| moderate	0.918 \| good	1.587 \| good	0.177 \| good
2026-07-21T23:00:00.000Z	122 \| sensitive	38.225 \| moderate	168.235 \| moderate	76.932 \| moderate	0.849 \| good	1.487 \| good	0.17 \| good
2026-07-22T00:00:00.000Z	127 \| sensitive	45.569 \| moderate	204.214 \| moderate	74.606 \| moderate	0.78 \| good	1.509 \| good	0.161 \| good
2026-07-22T01:00:00.000Z	149 \| sensitive	54.85 \| moderate	246.053 \| moderate	71.187 \| moderate	0.739 \| good	1.862 \| good	0.159 \| good
2026-07-22T02:00:00.000Z	160 \| unhealthy	68.48 \| poor	268.046 \| poor	65.17 \| fine	0.727 \| good	2.898 \| good	0.169 \| good
2026-07-22T03:00:00.000Z	169 \| unhealthy	80.881 \| poor	281.034 \| poor	60.58 \| fine	0.741 \| good	6.23 \| good	0.203 \| good
2026-07-22T04:00:00.000Z	172 \| unhealthy	85.697 \| poor	285.891 \| poor	49.544 \| good	0.78 \| good	9.823 \| good	0.237 \| good
2026-07-22T05:00:00.000Z	174 \| unhealthy	87.524 \| poor	287.868 \| poor	47.113 \| good	0.783 \| good	12.126 \| good	0.261 \| good
2026-07-22T06:00:00.000Z	174 \| unhealthy	88.341 \| poor	288.969 \| poor	43.956 \| good	0.748 \| good	13.333 \| good	0.273 \| good
2026-07-22T07:00:00.000Z	174 \| unhealthy	88.102 \| poor	288.411 \| poor	42.166 \| good	0.688 \| good	13.979 \| good	0.28 \| good
2026-07-22T08:00:00.000Z	173 \| unhealthy	87.47 \| poor	288.059 \| poor	40.642 \| good	0.616 \| good	13.831 \| good	0.283 \| good
2026-07-22T09:00:00.000Z	173 \| unhealthy	86.736 \| poor	287.926 \| poor	37.983 \| good	0.554 \| good	13.252 \| good	0.282 \| good
2026-07-22T10:00:00.000Z	172 \| unhealthy	85.944 \| poor	286.059 \| poor	35.136 \| good	0.505 \| good	12.632 \| good	0.279 \| good
2026-07-22T11:00:00.000Z	172 \| unhealthy	85.871 \| poor	286.059 \| poor	32.328 \| good	0.486 \| good	12.117 \| good	0.277 \| good
2026-07-22T12:00:00.000Z	172 \| unhealthy	85.89 \| poor	286.694 \| poor	34.36 \| good	0.476 \| good	11.708 \| good	0.276 \| good
2026-07-22T13:00:00.000Z	172 \| unhealthy	85.666 \| poor	286.074 \| poor	29.344 \| good	0.463 \| good	11.066 \| good	0.277 \| good
2026-07-22T14:00:00.000Z	172 \| unhealthy	86.166 \| poor	286.481 \| poor	31.445 \| good	0.434 \| good	9.719 \| good	0.283 \| good
2026-07-22T15:00:00.000Z	171 \| unhealthy	84.054 \| poor	284.512 \| poor	42.598 \| good	0.409 \| good	7.643 \| good	0.272 \| good
2026-07-22T16:00:00.000Z	165 \| unhealthy	74.721 \| poor	274.601 \| poor	48.957 \| good	0.541 \| good	5.048 \| good	0.219 \| good
2026-07-22T17:00:00.000Z	153 \| unhealthy	59.209 \| poor	258.176 \| poor	51.657 \| good	0.654 \| good	4.108 \| good	0.207 \| good
2026-07-22T18:00:00.000Z	132 \| sensitive	47.791 \| moderate	215.319 \| moderate	55.569 \| fine	0.712 \| good	3.129 \| good	0.204 \| good
2026-07-22T19:00:00.000Z	112 \| sensitive	39.552 \| moderate	174.912 \| moderate	59.897 \| fine	0.78 \| good	2.428 \| good	0.2 \| good
2026-07-22T20:00:00.000Z	90 \| moderate	29.727 \| fine	128.301 \| fine	64.899 \| fine	0.818 \| good	1.905 \| good	0.193 \| good
2026-07-22T21:00:00.000Z	93 \| moderate	19.457 \| fine	85.316 \| fine	68.018 \| fine	0.789 \| good	1.583 \| good	0.186 \| good
2026-07-22T22:00:00.000Z	90 \| moderate	19.468 \| fine	86.06 \| fine	67.058 \| fine	0.72 \| good	1.397 \| good	0.175 \| good
2026-07-22T23:00:00.000Z	90 \| moderate	29.558 \| fine	128.247 \| fine	66.577 \| fine	0.672 \| good	1.341 \| good	0.165 \| good
2026-07-23T00:00:00.000Z	99 \| moderate	34.509 \| fine	149.636 \| fine	66.848 \| fine	0.649 \| good	1.41 \| good	0.159 \| good
2026-07-23T01:00:00.000Z	90 \| moderate	28.186 \| fine	122.653 \| fine	67.289 \| fine	0.669 \| good	1.742 \| good	0.16 \| good
2026-07-23T02:00:00.000Z	115 \| sensitive	40.623 \| moderate	179.71 \| moderate	65.008 \| fine	0.719 \| good	2.782 \| good	0.173 \| good
2026-07-23T03:00:00.000Z	134 \| sensitive	48.702 \| moderate	220.042 \| moderate	57.581 \| fine	0.803 \| good	5.172 \| good	0.2 \| good
2026-07-23T04:00:00.000Z	140 \| sensitive	51.344 \| moderate	232.663 \| moderate	41.158 \| good	0.883 \| good	8.837 \| good	0.236 \| good
2026-07-23T05:00:00.000Z	142 \| sensitive	52.025 \| moderate	233.474 \| moderate	33.883 \| good	0.947 \| good	10.367 \| good	0.253 \| good
2026-07-23T06:00:00.000Z	121 \| sensitive	43.476 \| moderate	194.597 \| moderate	27.07 \| good	0.956 \| good	11.496 \| good	0.265 \| good
2026-07-23T07:00:00.000Z	69 \| moderate	18.547 \| fine	82.303 \| fine	24.285 \| good	0.901 \| good	12.94 \| good	0.278 \| good
2026-07-23T08:00:00.000Z	54 \| moderate	10.783 \| good	48.086 \| good	22.9 \| good	0.804 \| good	13.319 \| good	0.285 \| good
2026-07-23T09:00:00.000Z	52 \| moderate	10.017 \| good	44.572 \| good	21.594 \| good	0.719 \| good	11.798 \| good	0.273 \| good
2026-07-23T10:00:00.000Z	52 \| moderate	10.137 \| good	44.839 \| good	21.161 \| good	0.631 \| good	9.847 \| good	0.253 \| good
2026-07-23T11:00:00.000Z	44 \| good	8.156 \| good	35.79 \| good	22.497 \| good	0.558 \| good	8.155 \| good	0.232 \| good
2026-07-23T12:00:00.000Z	44 \| good	8.036 \| good	35.189 \| good	22.542 \| good	0.496 \| good	7.67 \| good	0.222 \| good
2026-07-23T13:00:00.000Z	49 \| good	8.893 \| good	39.419 \| good	19.193 \| good	0.436 \| good	6.897 \| good	0.206 \| good

Issaquah

Get reliable air quality data to drive your business

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

0.18ppm

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 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 07:00:00 on 2026-07-21.

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 02:00:00 on 2026-07-20.

What is the AQI in Issaquah, Washington right now?

As of now, the AQI in Issaquah, Washington is 57, indicating Moderate conditions.

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

Issaquah, Washington air has the highest levels of PM10.

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 8.174 μg/m³.

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

The PM₁₀ concentration in Issaquah, Washington is 68.301 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 0.192 ppm.

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

Currently, Issaquah, Washington has a sulfur dioxide (SO₂) concentration of 0.158 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 9.076 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 16.11 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-19T14:00:00.000Z	22 \| good	4.139 \| good	17.447 \| good	9.845 \| good	0.441 \| good	3.954 \| good	0.114 \| good
2026-07-19T15:00:00.000Z	22 \| good	4.435 \| good	18.009 \| good	11.187 \| good	0.111 \| good	3.836 \| good	0.104 \| good
2026-07-19T16:00:00.000Z	27 \| good	4.831 \| good	19.31 \| good	18.027 \| good	0.109 \| good	4.933 \| good	0.143 \| good
2026-07-19T17:00:00.000Z	27 \| good	4.505 \| good	18.267 \| good	19.817 \| good	0.349 \| good	6.095 \| good	0.143 \| good
2026-07-19T18:00:00.000Z	22 \| good	4.101 \| good	15.493 \| good	22.289 \| good	0.194 \| good	6.069 \| good	0.138 \| good
2026-07-19T19:00:00.000Z	27 \| good	4.669 \| good	15.842 \| good	26.811 \| good	0.181 \| good	5.946 \| good	0.147 \| good
2026-07-19T20:00:00.000Z	29 \| good	4.625 \| good	16.209 \| good	31.178 \| good	0.169 \| good	5.928 \| good	0.147 \| good
2026-07-19T21:00:00.000Z	30 \| good	3.287 \| good	11.994 \| good	32.404 \| good	0.32 \| good	4.657 \| good	0.143 \| good
2026-07-19T22:00:00.000Z	32 \| good	3.302 \| good	13.84 \| good	34.651 \| good	0.317 \| good	4.646 \| good	0.147 \| good
2026-07-19T23:00:00.000Z	32 \| good	3.551 \| good	14.894 \| good	34.774 \| good	0.317 \| good	4.369 \| good	0.138 \| good
2026-07-20T00:00:00.000Z	31 \| good	3.326 \| good	14.103 \| good	33.781 \| good	0.321 \| good	4.335 \| good	0.143 \| good
2026-07-20T01:00:00.000Z	31 \| good	3.252 \| good	16.765 \| good	32.962 \| good	0.325 \| good	5.708 \| good	0.181 \| good
2026-07-20T02:00:00.000Z	31 \| good	3.05 \| good	14.515 \| good	33.604 \| good	0.331 \| good	7.057 \| good	0.181 \| good
2026-07-20T03:00:00.000Z	31 \| good	3.327 \| good	15.038 \| good	32.893 \| good	0.338 \| good	7.775 \| good	0.181 \| good
2026-07-20T04:00:00.000Z	28 \| good	2.468 \| good	9.75 \| good	30.396 \| good	0.378 \| good	9.268 \| good	0.219 \| good
2026-07-20T05:00:00.000Z	25 \| good	3.186 \| good	12.956 \| good	27.24 \| good	0.247 \| good	8.365 \| good	0.147 \| good
2026-07-20T06:00:00.000Z	23 \| good	3.927 \| good	17.899 \| good	25.099 \| good	0.261 \| good	9.225 \| good	0.105 \| good
2026-07-20T07:00:00.000Z	23 \| good	4.21 \| good	20.332 \| good	24.793 \| good	0.261 \| good	8.279 \| good	0.105 \| good
2026-07-20T08:00:00.000Z	27 \| good	4.77 \| good	19.92 \| good	18.666 \| good	0.237 \| good	7.043 \| good	0.109 \| good
2026-07-20T09:00:00.000Z	27 \| good	4.501 \| good	19.08 \| good	15.648 \| good	0.154 \| good	9.114 \| good	0.109 \| good
2026-07-20T10:00:00.000Z	22 \| good	4.442 \| good	18.97 \| good	15.712 \| good	0.16 \| good	8.052 \| good	0.109 \| good
2026-07-20T11:00:00.000Z	22 \| good	4.312 \| good	19.103 \| good	12.038 \| good	0.186 \| good	7.238 \| good	0.109 \| good
2026-07-20T12:00:00.000Z	27 \| good	4.581 \| good	20.555 \| good	11.07 \| good	0.191 \| good	7.574 \| good	0.109 \| good
2026-07-20T13:00:00.000Z	22 \| good	4.137 \| good	19.131 \| good	10.333 \| good	0.19 \| good	8.112 \| good	0.109 \| good
2026-07-20T14:00:00.000Z	16 \| good	3.497 \| good	16.398 \| good	10.103 \| good	0.111 \| good	12.159 \| good	0.109 \| good
2026-07-20T15:00:00.000Z	22 \| good	3.646 \| good	15.177 \| good	12.356 \| good	0.124 \| good	9.142 \| good	0.114 \| good
2026-07-20T16:00:00.000Z	22 \| good	3.617 \| good	14.246 \| good	16.939 \| good	0.28 \| good	9.421 \| good	0.104 \| good
2026-07-20T17:00:00.000Z	17 \| good	3.45 \| good	13.739 \| good	18.375 \| good	0.354 \| good	8.922 \| good	0.148 \| good
2026-07-20T18:00:00.000Z	22 \| good	3.627 \| good	12.235 \| good	17.249 \| good	0.383 \| good	9.289 \| good	0.152 \| good
2026-07-20T19:00:00.000Z	22 \| good	3.779 \| good	17.684 \| good	19.665 \| good	0.342 \| good	10.091 \| good	0.152 \| good
2026-07-20T20:00:00.000Z	25 \| good	3.708 \| good	13.403 \| good	27.423 \| good	0.31 \| good	12.072 \| good	0.195 \| good
2026-07-20T21:00:00.000Z	29 \| good	4.142 \| good	20.321 \| good	31.499 \| good	0.409 \| good	13.456 \| good	0.195 \| good
2026-07-20T22:00:00.000Z	34 \| good	5.154 \| good	20.72 \| good	36.999 \| good	0.29 \| good	12.51 \| good	0.195 \| good
2026-07-20T23:00:00.000Z	37 \| good	6.21 \| good	29.365 \| good	39.543 \| good	0.4 \| good	12.341 \| good	0.195 \| good
2026-07-21T00:00:00.000Z	43 \| good	6.807 \| good	30.981 \| good	45.53 \| good	0.398 \| good	17.079 \| good	0.191 \| good
2026-07-21T01:00:00.000Z	45 \| good	6.567 \| good	30.228 \| good	48.591 \| good	0.277 \| good	13.608 \| good	0.229 \| good
2026-07-21T02:00:00.000Z	44 \| good	7.02 \| good	32.31 \| good	48.282 \| good	0.278 \| good	17.369 \| good	0.314 \| good
2026-07-21T03:00:00.000Z	41 \| good	7.328 \| good	32.133 \| good	44.42 \| good	0.436 \| good	10.695 \| good	0.315 \| good
2026-07-21T04:00:00.000Z	49 \| good	8.797 \| good	37.933 \| good	37.994 \| good	0.64 \| good	13.155 \| good	0.357 \| good
2026-07-21T05:00:00.000Z	52 \| moderate	10.259 \| good	45.974 \| good	32.476 \| good	0.662 \| good	17.869 \| good	0.348 \| good
2026-07-21T06:00:00.000Z	58 \| moderate	12.78 \| fine	44.32 \| good	25.926 \| good	0.562 \| good	15.73 \| good	0.272 \| good
2026-07-21T07:00:00.000Z	64 \| moderate	15.92 \| fine	63.549 \| fine	27.825 \| good	0.561 \| good	14.857 \| good	0.272 \| good
2026-07-21T08:00:00.000Z	49 \| good	8.812 \| good	37.945 \| good	19.263 \| good	0.411 \| good	16.813 \| good	0.191 \| good
2026-07-21T09:00:00.000Z	54 \| moderate	11.396 \| good	37.261 \| good	16.267 \| good	0.332 \| good	15.125 \| good	0.238 \| good
2026-07-21T10:00:00.000Z	49 \| good	9.261 \| good	45.73 \| good	15.008 \| good	0.235 \| good	15.618 \| good	0.238 \| good
2026-07-21T11:00:00.000Z	52 \| moderate	9.595 \| good	44.419 \| good	15.515 \| good	0.231 \| good	13.608 \| good	0.238 \| good
2026-07-21T12:00:00.000Z	52 \| moderate	9.939 \| good	52.901 \| good	10.705 \| good	0.165 \| good	18.553 \| good	0.19 \| good
2026-07-21T13:00:00.000Z	51 \| moderate	8.58 \| good	55.342 \| fine	10.159 \| good	0.163 \| good	16.566 \| good	0.19 \| good
2026-07-21T13:00:00.000Z	57 \| moderate	8.174 \| good	68.301 \| fine	9.076 \| good	0.158 \| good	16.11 \| good	0.192 \| good
2026-07-21T14:00:00.000Z	82 \| moderate	26.196 \| fine	114.073 \| fine	25.718 \| good	0.434 \| good	11.777 \| good	0.334 \| good
2026-07-21T15:00:00.000Z	79 \| moderate	23.707 \| fine	104.027 \| fine	34.133 \| good	0.385 \| good	10.672 \| good	0.37 \| good
2026-07-21T16:00:00.000Z	79 \| moderate	24.008 \| fine	104.972 \| fine	40.717 \| good	0.581 \| good	6.969 \| good	0.27 \| good
2026-07-21T17:00:00.000Z	79 \| moderate	24.338 \| fine	105.948 \| fine	48.205 \| good	0.758 \| good	5.431 \| good	0.239 \| good
2026-07-21T18:00:00.000Z	79 \| moderate	24.306 \| fine	105.915 \| fine	57.941 \| fine	0.993 \| good	4.016 \| good	0.221 \| good
2026-07-21T19:00:00.000Z	87 \| moderate	28.127 \| fine	122.122 \| fine	66.281 \| fine	1.113 \| good	2.999 \| good	0.209 \| good
2026-07-21T20:00:00.000Z	108 \| sensitive	34.5 \| fine	150.056 \| fine	72.989 \| moderate	1.088 \| good	2.274 \| good	0.196 \| good
2026-07-21T21:00:00.000Z	126 \| sensitive	35.638 \| moderate	155.665 \| moderate	77.985 \| moderate	0.996 \| good	1.815 \| good	0.185 \| good
2026-07-21T22:00:00.000Z	126 \| sensitive	37.784 \| moderate	165.67 \| moderate	77.947 \| moderate	0.918 \| good	1.587 \| good	0.177 \| good
2026-07-21T23:00:00.000Z	122 \| sensitive	38.225 \| moderate	168.235 \| moderate	76.932 \| moderate	0.849 \| good	1.487 \| good	0.17 \| good
2026-07-22T00:00:00.000Z	127 \| sensitive	45.569 \| moderate	204.214 \| moderate	74.606 \| moderate	0.78 \| good	1.509 \| good	0.161 \| good
2026-07-22T01:00:00.000Z	149 \| sensitive	54.85 \| moderate	246.053 \| moderate	71.187 \| moderate	0.739 \| good	1.862 \| good	0.159 \| good
2026-07-22T02:00:00.000Z	160 \| unhealthy	68.48 \| poor	268.046 \| poor	65.17 \| fine	0.727 \| good	2.898 \| good	0.169 \| good
2026-07-22T03:00:00.000Z	169 \| unhealthy	80.881 \| poor	281.034 \| poor	60.58 \| fine	0.741 \| good	6.23 \| good	0.203 \| good
2026-07-22T04:00:00.000Z	172 \| unhealthy	85.697 \| poor	285.891 \| poor	49.544 \| good	0.78 \| good	9.823 \| good	0.237 \| good
2026-07-22T05:00:00.000Z	174 \| unhealthy	87.524 \| poor	287.868 \| poor	47.113 \| good	0.783 \| good	12.126 \| good	0.261 \| good
2026-07-22T06:00:00.000Z	174 \| unhealthy	88.341 \| poor	288.969 \| poor	43.956 \| good	0.748 \| good	13.333 \| good	0.273 \| good
2026-07-22T07:00:00.000Z	174 \| unhealthy	88.102 \| poor	288.411 \| poor	42.166 \| good	0.688 \| good	13.979 \| good	0.28 \| good
2026-07-22T08:00:00.000Z	173 \| unhealthy	87.47 \| poor	288.059 \| poor	40.642 \| good	0.616 \| good	13.831 \| good	0.283 \| good
2026-07-22T09:00:00.000Z	173 \| unhealthy	86.736 \| poor	287.926 \| poor	37.983 \| good	0.554 \| good	13.252 \| good	0.282 \| good
2026-07-22T10:00:00.000Z	172 \| unhealthy	85.944 \| poor	286.059 \| poor	35.136 \| good	0.505 \| good	12.632 \| good	0.279 \| good
2026-07-22T11:00:00.000Z	172 \| unhealthy	85.871 \| poor	286.059 \| poor	32.328 \| good	0.486 \| good	12.117 \| good	0.277 \| good
2026-07-22T12:00:00.000Z	172 \| unhealthy	85.89 \| poor	286.694 \| poor	34.36 \| good	0.476 \| good	11.708 \| good	0.276 \| good
2026-07-22T13:00:00.000Z	172 \| unhealthy	85.666 \| poor	286.074 \| poor	29.344 \| good	0.463 \| good	11.066 \| good	0.277 \| good
2026-07-22T14:00:00.000Z	172 \| unhealthy	86.166 \| poor	286.481 \| poor	31.445 \| good	0.434 \| good	9.719 \| good	0.283 \| good
2026-07-22T15:00:00.000Z	171 \| unhealthy	84.054 \| poor	284.512 \| poor	42.598 \| good	0.409 \| good	7.643 \| good	0.272 \| good
2026-07-22T16:00:00.000Z	165 \| unhealthy	74.721 \| poor	274.601 \| poor	48.957 \| good	0.541 \| good	5.048 \| good	0.219 \| good
2026-07-22T17:00:00.000Z	153 \| unhealthy	59.209 \| poor	258.176 \| poor	51.657 \| good	0.654 \| good	4.108 \| good	0.207 \| good
2026-07-22T18:00:00.000Z	132 \| sensitive	47.791 \| moderate	215.319 \| moderate	55.569 \| fine	0.712 \| good	3.129 \| good	0.204 \| good
2026-07-22T19:00:00.000Z	112 \| sensitive	39.552 \| moderate	174.912 \| moderate	59.897 \| fine	0.78 \| good	2.428 \| good	0.2 \| good
2026-07-22T20:00:00.000Z	90 \| moderate	29.727 \| fine	128.301 \| fine	64.899 \| fine	0.818 \| good	1.905 \| good	0.193 \| good
2026-07-22T21:00:00.000Z	93 \| moderate	19.457 \| fine	85.316 \| fine	68.018 \| fine	0.789 \| good	1.583 \| good	0.186 \| good
2026-07-22T22:00:00.000Z	90 \| moderate	19.468 \| fine	86.06 \| fine	67.058 \| fine	0.72 \| good	1.397 \| good	0.175 \| good
2026-07-22T23:00:00.000Z	90 \| moderate	29.558 \| fine	128.247 \| fine	66.577 \| fine	0.672 \| good	1.341 \| good	0.165 \| good
2026-07-23T00:00:00.000Z	99 \| moderate	34.509 \| fine	149.636 \| fine	66.848 \| fine	0.649 \| good	1.41 \| good	0.159 \| good
2026-07-23T01:00:00.000Z	90 \| moderate	28.186 \| fine	122.653 \| fine	67.289 \| fine	0.669 \| good	1.742 \| good	0.16 \| good
2026-07-23T02:00:00.000Z	115 \| sensitive	40.623 \| moderate	179.71 \| moderate	65.008 \| fine	0.719 \| good	2.782 \| good	0.173 \| good
2026-07-23T03:00:00.000Z	134 \| sensitive	48.702 \| moderate	220.042 \| moderate	57.581 \| fine	0.803 \| good	5.172 \| good	0.2 \| good
2026-07-23T04:00:00.000Z	140 \| sensitive	51.344 \| moderate	232.663 \| moderate	41.158 \| good	0.883 \| good	8.837 \| good	0.236 \| good
2026-07-23T05:00:00.000Z	142 \| sensitive	52.025 \| moderate	233.474 \| moderate	33.883 \| good	0.947 \| good	10.367 \| good	0.253 \| good
2026-07-23T06:00:00.000Z	121 \| sensitive	43.476 \| moderate	194.597 \| moderate	27.07 \| good	0.956 \| good	11.496 \| good	0.265 \| good
2026-07-23T07:00:00.000Z	69 \| moderate	18.547 \| fine	82.303 \| fine	24.285 \| good	0.901 \| good	12.94 \| good	0.278 \| good
2026-07-23T08:00:00.000Z	54 \| moderate	10.783 \| good	48.086 \| good	22.9 \| good	0.804 \| good	13.319 \| good	0.285 \| good
2026-07-23T09:00:00.000Z	52 \| moderate	10.017 \| good	44.572 \| good	21.594 \| good	0.719 \| good	11.798 \| good	0.273 \| good
2026-07-23T10:00:00.000Z	52 \| moderate	10.137 \| good	44.839 \| good	21.161 \| good	0.631 \| good	9.847 \| good	0.253 \| good
2026-07-23T11:00:00.000Z	44 \| good	8.156 \| good	35.79 \| good	22.497 \| good	0.558 \| good	8.155 \| good	0.232 \| good
2026-07-23T12:00:00.000Z	44 \| good	8.036 \| good	35.189 \| good	22.542 \| good	0.496 \| good	7.67 \| good	0.222 \| good
2026-07-23T13:00:00.000Z	49 \| good	8.893 \| good	39.419 \| good	19.193 \| good	0.436 \| good	6.897 \| good	0.206 \| good

Live air quality index in Issaquah, Washington today

Major air pollutants in Issaquah, Washington

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

East Renton Highlands, Washington

Sammamish, Washington

Newcastle, Washington

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Renton, Washington

Mercer Island, Washington

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Frequently asked questions

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

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

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

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

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

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

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