What is the current level of PM10 in Sammamish, Washington?

Sammamish, Washington currently has a PM10 concentration of 10.6 μg/m3.

What is the current level of sulfur dioxide (SO2) in Sammamish, Washington?

The current sulfur dioxide (SO2) concentration in Sammamish, Washington is 0.295 ppb.

What is the current level of ozone (O3) in Sammamish, Washington?

Sammamish, Washington currently has an ozone (O3) concentration of 28.333 ppm.

What is the current level of nitrogen dioxide (NO2) in Sammamish, Washington?

The current level of nitrogen dioxide (NO2) in Sammamish, Washington is 10.471 ppb.

Current air quality index in Sammamish, Washington today

Q: What is the PM2.5 concentration in Sammamish, Washington right now?

Sammamish, Washington currently has a PM2.5 concentration of 2.572 μg/m3.

Stay updated with real-time air quality in Sammamish, 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

Sammamish, Washington

Last updated: ... (Local time)

Common air pollutants in Sammamish, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.57 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.60 μg/m³

155

255

425

605+

Ozone (O₃)

28.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Sammamish, Washington

Get Live Pollen Counts

Sammamish, Washington

Scroll To Air Quality Map

Track live Sammamish, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-18T06:00:00.000Z	30 \| good	4.902 \| good	13.961 \| good	32.094 \| good	0.123 \| good	14.99 \| good	0.2 \| good
2026-04-18T07:00:00.000Z	28 \| good	3.79 \| good	18.574 \| good	29.928 \| good	0.1 \| good	18.402 \| good	0.182 \| good
2026-04-18T08:00:00.000Z	33 \| good	6.331 \| good	26.991 \| good	23.375 \| good	0.244 \| good	13.934 \| good	0.171 \| good
2026-04-18T09:00:00.000Z	27 \| good	4.952 \| good	19.155 \| good	22.661 \| good	0.24 \| good	12.603 \| good	0.171 \| good
2026-04-18T10:00:00.000Z	33 \| good	5.721 \| good	23.877 \| good	21.656 \| good	0.157 \| good	17.773 \| good	0.181 \| good
2026-04-18T11:00:00.000Z	22 \| good	4.111 \| good	14.569 \| good	22.254 \| good	0.244 \| good	8.918 \| good	0.181 \| good
2026-04-18T12:00:00.000Z	33 \| good	6.14 \| good	27.453 \| good	14.604 \| good	0.217 \| good	5.826 \| good	0.18 \| good
2026-04-18T13:00:00.000Z	31 \| good	3.627 \| good	33.298 \| good	12.875 \| good	0.384 \| good	5.708 \| good	0.18 \| good
2026-04-18T14:00:00.000Z	27 \| good	5.166 \| good	22.453 \| good	16.776 \| good	0.279 \| good	6.669 \| good	0.19 \| good
2026-04-18T15:00:00.000Z	33 \| good	6.081 \| good	19.254 \| good	17.081 \| good	0.243 \| good	5.871 \| good	0.18 \| good
2026-04-18T16:00:00.000Z	33 \| good	6.424 \| good	20.964 \| good	19.828 \| good	0.1 \| good	4.304 \| good	0.171 \| good
2026-04-18T17:00:00.000Z	38 \| good	6.536 \| good	19.118 \| good	20.46 \| good	0.237 \| good	2.304 \| good	0.171 \| good
2026-04-18T18:00:00.000Z	33 \| good	5.561 \| good	18.087 \| good	23.586 \| good	0.198 \| good	2.191 \| good	0.18 \| good
2026-04-18T19:00:00.000Z	26 \| good	4.096 \| good	7.191 \| good	28.232 \| good	0.315 \| good	1.952 \| good	0.171 \| good
2026-04-18T20:00:00.000Z	34 \| good	4.113 \| good	17.297 \| good	36.898 \| good	0.374 \| good	1.778 \| good	0.171 \| good
2026-04-18T21:00:00.000Z	33 \| good	3.804 \| good	13.068 \| good	36.461 \| good	0.233 \| good	1.3 \| good	0.171 \| good
2026-04-18T22:00:00.000Z	35 \| good	2.872 \| good	13.911 \| good	38.234 \| good	0.149 \| good	2.902 \| good	0.171 \| good
2026-04-18T23:00:00.000Z	38 \| good	3.376 \| good	14.824 \| good	40.746 \| good	0.313 \| good	5.63 \| good	0.109 \| good
2026-04-19T00:00:00.000Z	35 \| good	3.935 \| good	13.038 \| good	38.318 \| good	0.213 \| good	7.537 \| good	0.109 \| good
2026-04-19T01:00:00.000Z	31 \| good	3.632 \| good	10.502 \| good	33.326 \| good	0.11 \| good	8.074 \| good	0.118 \| good
2026-04-19T02:00:00.000Z	30 \| good	1.687 \| good	11.184 \| good	32.455 \| good	0.12 \| good	7.471 \| good	0.181 \| good
2026-04-19T03:00:00.000Z	22 \| good	1.926 \| good	10.31 \| good	23.895 \| good	0.12 \| good	8.978 \| good	0.2 \| good
2026-04-19T04:00:00.000Z	22 \| good	2.511 \| good	11.434 \| good	23.543 \| good	0.159 \| good	17.558 \| good	0.263 \| good
2026-04-19T05:00:00.000Z	49 \| good	8.797 \| good	36.044 \| good	23.375 \| good	0.151 \| good	20.956 \| good	0.254 \| good
2026-04-19T06:00:00.000Z	33 \| good	6.322 \| good	18.096 \| good	23.126 \| good	0.144 \| good	20.269 \| good	0.254 \| good
2026-04-19T07:00:00.000Z	44 \| good	7.516 \| good	31.771 \| good	22.97 \| good	0.138 \| good	13.929 \| good	0.243 \| good
2026-04-19T08:00:00.000Z	38 \| good	6.732 \| good	32.836 \| good	23.872 \| good	0.135 \| good	8.865 \| good	0.181 \| good
2026-04-19T09:00:00.000Z	33 \| good	6.042 \| good	16.255 \| good	24.146 \| good	0.114 \| good	3.821 \| good	0.171 \| good
2026-04-19T10:00:00.000Z	33 \| good	5.745 \| good	18.813 \| good	23.406 \| good	0.1 \| good	2.576 \| good	0.179 \| good
2026-04-19T11:00:00.000Z	38 \| good	6.849 \| good	26.175 \| good	20.634 \| good	0.1 \| good	3.407 \| good	0.179 \| good
2026-04-19T12:00:00.000Z	44 \| good	7.545 \| good	34.854 \| good	20.614 \| good	0.114 \| good	2.818 \| good	0.17 \| good
2026-04-19T13:00:00.000Z	49 \| good	8.709 \| good	23.02 \| good	22.863 \| good	0.113 \| good	3.287 \| good	0.17 \| good
2026-04-19T14:00:00.000Z	44 \| good	7.942 \| good	35.297 \| good	20.057 \| good	0.1 \| good	3.403 \| good	0.179 \| good
2026-04-19T15:00:00.000Z	44 \| good	8.158 \| good	20.993 \| good	17.781 \| good	0.1 \| good	4.604 \| good	0.179 \| good
2026-04-19T16:00:00.000Z	44 \| good	7.797 \| good	36.41 \| good	21.719 \| good	0.18 \| good	4.652 \| good	0.18 \| good
2026-04-19T17:00:00.000Z	38 \| good	6.577 \| good	18.083 \| good	23.248 \| good	0.141 \| good	4.31 \| good	0.18 \| good
2026-04-19T18:00:00.000Z	33 \| good	6.462 \| good	29.839 \| good	34.766 \| good	0.1 \| good	3.373 \| good	0.18 \| good
2026-04-19T19:00:00.000Z	33 \| good	5.615 \| good	25.611 \| good	26.832 \| good	0.135 \| good	2.717 \| good	0.18 \| good
2026-04-19T20:00:00.000Z	27 \| good	5.178 \| good	23.718 \| good	27.35 \| good	0.112 \| good	3.833 \| good	0.171 \| good
2026-04-19T21:00:00.000Z	26 \| good	4.103 \| good	22.73 \| good	28.053 \| good	0.11 \| good	8.15 \| good	0.182 \| good
2026-04-19T22:00:00.000Z	31 \| good	3.201 \| good	17.496 \| good	33.056 \| good	0.169 \| good	9.016 \| good	0.171 \| good
2026-04-19T23:00:00.000Z	35 \| good	3.449 \| good	14.807 \| good	37.926 \| good	0.179 \| good	9.263 \| good	0.18 \| good
2026-04-20T00:00:00.000Z	34 \| good	3.18 \| good	16.519 \| good	37.441 \| good	0.188 \| good	9.34 \| good	0.18 \| good
2026-04-20T01:00:00.000Z	36 \| good	3.239 \| good	16.065 \| good	38.904 \| good	0.173 \| good	8.648 \| good	0.191 \| good
2026-04-20T02:00:00.000Z	28 \| good	2.602 \| good	10.289 \| good	30.293 \| good	0.185 \| good	14.379 \| good	0.2 \| good
2026-04-20T03:00:00.000Z	25 \| good	2.803 \| good	10.921 \| good	26.73 \| good	0.26 \| good	13.309 \| good	0.209 \| good
2026-04-20T04:00:00.000Z	26 \| good	2.572 \| good	10.6 \| good	28.333 \| good	0.295 \| good	10.471 \| good	0.218 \| good
2026-04-20T05:00:00.000Z	26 \| good	2.572 \| good	10.6 \| good	28.333 \| good	0.295 \| good	10.471 \| good	0.218 \| good
2026-04-20T06:00:00.000Z	66 \| moderate	16.639 \| fine	73.238 \| fine	17.057 \| good	1.566 \| good	27.955 \| good	0.332 \| good
2026-04-20T07:00:00.000Z	66 \| moderate	16.591 \| fine	73.895 \| fine	16.683 \| good	1.29 \| good	24.908 \| good	0.315 \| good
2026-04-20T08:00:00.000Z	62 \| moderate	15.407 \| fine	67.664 \| fine	16.625 \| good	1.014 \| good	21.86 \| good	0.299 \| good
2026-04-20T09:00:00.000Z	60 \| moderate	13.529 \| fine	59.564 \| fine	17.597 \| good	0.738 \| good	18.813 \| good	0.282 \| good
2026-04-20T10:00:00.000Z	56 \| moderate	12.326 \| fine	55.083 \| fine	17.349 \| good	0.586 \| good	16.379 \| good	0.264 \| good
2026-04-20T11:00:00.000Z	56 \| moderate	11.512 \| good	50.941 \| good	16.368 \| good	0.433 \| good	13.946 \| good	0.246 \| good
2026-04-20T12:00:00.000Z	54 \| moderate	10.732 \| good	47.511 \| good	15.692 \| good	0.281 \| good	11.512 \| good	0.228 \| good
2026-04-20T13:00:00.000Z	52 \| moderate	9.735 \| good	43.931 \| good	14.039 \| good	0.278 \| good	10.474 \| good	0.223 \| good
2026-04-20T14:00:00.000Z	54 \| moderate	11.004 \| good	48.555 \| good	13.645 \| good	0.275 \| good	9.435 \| good	0.218 \| good
2026-04-20T15:00:00.000Z	49 \| good	9.283 \| good	41.107 \| good	16.529 \| good	0.273 \| good	8.397 \| good	0.213 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.51 \| good	42.864 \| good	18.706 \| good	0.341 \| good	7.368 \| good	0.204 \| good
2026-04-20T17:00:00.000Z	54 \| moderate	10.984 \| good	48.529 \| good	22.882 \| good	0.41 \| good	6.34 \| good	0.195 \| good
2026-04-20T18:00:00.000Z	56 \| moderate	12.01 \| good	53.006 \| good	27.713 \| good	0.478 \| good	5.312 \| good	0.186 \| good
2026-04-20T19:00:00.000Z	58 \| moderate	13.147 \| fine	57.95 \| fine	31.511 \| good	0.669 \| good	5.324 \| good	0.185 \| good
2026-04-20T20:00:00.000Z	60 \| moderate	13.911 \| fine	61.376 \| fine	34.498 \| good	0.861 \| good	5.337 \| good	0.183 \| good
2026-04-20T21:00:00.000Z	62 \| moderate	14.559 \| fine	64.553 \| fine	38.696 \| good	1.052 \| good	5.349 \| good	0.182 \| good
2026-04-20T22:00:00.000Z	64 \| moderate	15.806 \| fine	70.313 \| fine	42.872 \| good	1.243 \| good	6.027 \| good	0.187 \| good
2026-04-20T23:00:00.000Z	64 \| moderate	16.386 \| fine	72.673 \| fine	43.445 \| good	1.433 \| good	6.704 \| good	0.193 \| good
2026-04-21T00:00:00.000Z	62 \| moderate	15.1 \| fine	66.361 \| fine	43.374 \| good	1.624 \| good	7.382 \| good	0.198 \| good
2026-04-21T01:00:00.000Z	64 \| moderate	15.549 \| fine	69.168 \| fine	40.946 \| good	1.532 \| good	8.65 \| good	0.204 \| good
2026-04-21T02:00:00.000Z	75 \| moderate	21.728 \| fine	95.4 \| fine	31.983 \| good	1.441 \| good	9.918 \| good	0.211 \| good
2026-04-21T03:00:00.000Z	81 \| moderate	24.535 \| fine	106.992 \| fine	23.388 \| good	1.349 \| good	11.185 \| good	0.218 \| good
2026-04-21T04:00:00.000Z	77 \| moderate	23.148 \| fine	101.174 \| fine	21.22 \| good	1.128 \| good	9.496 \| good	0.202 \| good
2026-04-21T05:00:00.000Z	67 \| moderate	17.845 \| fine	78.952 \| fine	24.503 \| good	0.908 \| good	7.808 \| good	0.186 \| good
2026-04-21T06:00:00.000Z	64 \| moderate	15.589 \| fine	69.87 \| fine	24.327 \| good	0.687 \| good	6.119 \| good	0.171 \| good
2026-04-21T07:00:00.000Z	62 \| moderate	15.272 \| fine	68.037 \| fine	24.158 \| good	0.63 \| good	5.196 \| good	0.161 \| good
2026-04-21T08:00:00.000Z	60 \| moderate	13.849 \| fine	62.67 \| fine	24.701 \| good	0.573 \| good	4.273 \| good	0.152 \| good
2026-04-21T09:00:00.000Z	54 \| moderate	11.425 \| good	50.977 \| good	25.609 \| good	0.517 \| good	3.35 \| good	0.142 \| good
2026-04-21T10:00:00.000Z	54 \| moderate	10.82 \| good	47.894 \| good	25.004 \| good	0.478 \| good	2.971 \| good	0.139 \| good
2026-04-21T11:00:00.000Z	49 \| good	9.475 \| good	41.839 \| good	24.665 \| good	0.44 \| good	2.592 \| good	0.136 \| good
2026-04-21T12:00:00.000Z	44 \| good	8.444 \| good	37.346 \| good	21.752 \| good	0.401 \| good	2.213 \| good	0.133 \| good
2026-04-21T13:00:00.000Z	38 \| good	7.486 \| good	33.295 \| good	22.154 \| good	0.371 \| good	2.324 \| good	0.132 \| good
2026-04-21T14:00:00.000Z	38 \| good	6.668 \| good	28.971 \| good	23.694 \| good	0.342 \| good	2.435 \| good	0.131 \| good
2026-04-21T15:00:00.000Z	27 \| good	5.276 \| good	23.411 \| good	25.348 \| good	0.312 \| good	2.546 \| good	0.13 \| good
2026-04-21T16:00:00.000Z	27 \| good	4.503 \| good	19.906 \| good	25.04 \| good	0.358 \| good	3.231 \| good	0.134 \| good
2026-04-21T17:00:00.000Z	23 \| good	4.002 \| good	16.991 \| good	24.997 \| good	0.404 \| good	3.915 \| good	0.138 \| good
2026-04-21T18:00:00.000Z	23 \| good	3.721 \| good	15.516 \| good	25.418 \| good	0.451 \| good	4.599 \| good	0.142 \| good
2026-04-21T19:00:00.000Z	25 \| good	3.629 \| good	15.439 \| good	26.912 \| good	0.499 \| good	4.426 \| good	0.142 \| good
2026-04-21T20:00:00.000Z	26 \| good	3.473 \| good	14.515 \| good	28.182 \| good	0.548 \| good	4.252 \| good	0.142 \| good
2026-04-21T21:00:00.000Z	27 \| good	3.468 \| good	14.944 \| good	29.131 \| good	0.597 \| good	4.079 \| good	0.142 \| good
2026-04-21T22:00:00.000Z	26 \| good	3.646 \| good	15.448 \| good	27.632 \| good	0.615 \| good	4.44 \| good	0.144 \| good
2026-04-21T23:00:00.000Z	25 \| good	4.072 \| good	17.387 \| good	27.451 \| good	0.633 \| good	4.801 \| good	0.146 \| good
2026-04-22T00:00:00.000Z	38 \| good	2.89 \| good	3.925 \| good	40.517 \| good	0.651 \| good	5.162 \| good	0.148 \| good
2026-04-22T01:00:00.000Z	38 \| good	6.534 \| good	28.809 \| good	21.983 \| good	0.796 \| good	8.525 \| good	0.172 \| good
2026-04-22T02:00:00.000Z	38 \| good	7.257 \| good	31.888 \| good	20.287 \| good	0.942 \| good	11.888 \| good	0.196 \| good
2026-04-22T03:00:00.000Z	44 \| good	7.957 \| good	34.801 \| good	15.985 \| good	1.087 \| good	15.25 \| good	0.22 \| good
2026-04-22T04:00:00.000Z	49 \| good	8.686 \| good	38.174 \| good	18.714 \| good	1.147 \| good	13.467 \| good	0.206 \| good
2026-04-22T05:00:00.000Z	49 \| good	9.243 \| good	40.791 \| good	19.622 \| good	1.207 \| good	11.683 \| good	0.193 \| good

Sammamish

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Sammamish, Washington

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How accurate is Washington, USA air quality data?

The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Sammamish, Washington get updated?

Air quality updates for Sammamish, Washington are available every hour.

What time in the past 24 hours saw the poorest air quality in Sammamish, Washington?

Sammamish, Washington experienced its worst air quality at 01:00:00, 2026-04-19.

When was air quality in Sammamish, Washington the best over the past 24 hours?

The best air quality in Sammamish, Washington was observed at 03:00:00 on 2026-04-20.

What is the air quality in Sammamish, Washington right now?

The air quality in Sammamish, Washington right now is Good, with an AQI of 26.

What pollutant is most frequently found in Sammamish, Washington?

In Sammamish, Washington, O3 is the most frequently found pollutant.

What can I do if the air quality in Sammamish, Washington is poor?

When air quality in Sammamish, Washington is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Sammamish, Washington right now?

Sammamish, Washington currently has a PM_2.5 concentration of 2.572 μg/m³.

What is the current level of PM₁₀ in Sammamish, Washington?

Sammamish, Washington currently has a PM₁₀ concentration of 10.6 μg/m³.

What is the current level of carbon monoxide (CO) in Sammamish, Washington?

The current carbon monoxide (CO) level in Sammamish, Washington is 0.218 ppm.

What is the current level of sulfur dioxide (SO₂) in Sammamish, Washington?

The current sulfur dioxide (SO₂) concentration in Sammamish, Washington is 0.295 ppb.

What is the current level of ozone (O₃) in Sammamish, Washington?

Sammamish, Washington currently has an ozone (O₃) concentration of 28.333 ppm.

What is the current level of nitrogen dioxide (NO₂) in Sammamish, Washington?

The current level of nitrogen dioxide (NO₂) in Sammamish, Washington is 10.471 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-18T06:00:00.000Z	30 \| good	4.902 \| good	13.961 \| good	32.094 \| good	0.123 \| good	14.99 \| good	0.2 \| good
2026-04-18T07:00:00.000Z	28 \| good	3.79 \| good	18.574 \| good	29.928 \| good	0.1 \| good	18.402 \| good	0.182 \| good
2026-04-18T08:00:00.000Z	33 \| good	6.331 \| good	26.991 \| good	23.375 \| good	0.244 \| good	13.934 \| good	0.171 \| good
2026-04-18T09:00:00.000Z	27 \| good	4.952 \| good	19.155 \| good	22.661 \| good	0.24 \| good	12.603 \| good	0.171 \| good
2026-04-18T10:00:00.000Z	33 \| good	5.721 \| good	23.877 \| good	21.656 \| good	0.157 \| good	17.773 \| good	0.181 \| good
2026-04-18T11:00:00.000Z	22 \| good	4.111 \| good	14.569 \| good	22.254 \| good	0.244 \| good	8.918 \| good	0.181 \| good
2026-04-18T12:00:00.000Z	33 \| good	6.14 \| good	27.453 \| good	14.604 \| good	0.217 \| good	5.826 \| good	0.18 \| good
2026-04-18T13:00:00.000Z	31 \| good	3.627 \| good	33.298 \| good	12.875 \| good	0.384 \| good	5.708 \| good	0.18 \| good
2026-04-18T14:00:00.000Z	27 \| good	5.166 \| good	22.453 \| good	16.776 \| good	0.279 \| good	6.669 \| good	0.19 \| good
2026-04-18T15:00:00.000Z	33 \| good	6.081 \| good	19.254 \| good	17.081 \| good	0.243 \| good	5.871 \| good	0.18 \| good
2026-04-18T16:00:00.000Z	33 \| good	6.424 \| good	20.964 \| good	19.828 \| good	0.1 \| good	4.304 \| good	0.171 \| good
2026-04-18T17:00:00.000Z	38 \| good	6.536 \| good	19.118 \| good	20.46 \| good	0.237 \| good	2.304 \| good	0.171 \| good
2026-04-18T18:00:00.000Z	33 \| good	5.561 \| good	18.087 \| good	23.586 \| good	0.198 \| good	2.191 \| good	0.18 \| good
2026-04-18T19:00:00.000Z	26 \| good	4.096 \| good	7.191 \| good	28.232 \| good	0.315 \| good	1.952 \| good	0.171 \| good
2026-04-18T20:00:00.000Z	34 \| good	4.113 \| good	17.297 \| good	36.898 \| good	0.374 \| good	1.778 \| good	0.171 \| good
2026-04-18T21:00:00.000Z	33 \| good	3.804 \| good	13.068 \| good	36.461 \| good	0.233 \| good	1.3 \| good	0.171 \| good
2026-04-18T22:00:00.000Z	35 \| good	2.872 \| good	13.911 \| good	38.234 \| good	0.149 \| good	2.902 \| good	0.171 \| good
2026-04-18T23:00:00.000Z	38 \| good	3.376 \| good	14.824 \| good	40.746 \| good	0.313 \| good	5.63 \| good	0.109 \| good
2026-04-19T00:00:00.000Z	35 \| good	3.935 \| good	13.038 \| good	38.318 \| good	0.213 \| good	7.537 \| good	0.109 \| good
2026-04-19T01:00:00.000Z	31 \| good	3.632 \| good	10.502 \| good	33.326 \| good	0.11 \| good	8.074 \| good	0.118 \| good
2026-04-19T02:00:00.000Z	30 \| good	1.687 \| good	11.184 \| good	32.455 \| good	0.12 \| good	7.471 \| good	0.181 \| good
2026-04-19T03:00:00.000Z	22 \| good	1.926 \| good	10.31 \| good	23.895 \| good	0.12 \| good	8.978 \| good	0.2 \| good
2026-04-19T04:00:00.000Z	22 \| good	2.511 \| good	11.434 \| good	23.543 \| good	0.159 \| good	17.558 \| good	0.263 \| good
2026-04-19T05:00:00.000Z	49 \| good	8.797 \| good	36.044 \| good	23.375 \| good	0.151 \| good	20.956 \| good	0.254 \| good
2026-04-19T06:00:00.000Z	33 \| good	6.322 \| good	18.096 \| good	23.126 \| good	0.144 \| good	20.269 \| good	0.254 \| good
2026-04-19T07:00:00.000Z	44 \| good	7.516 \| good	31.771 \| good	22.97 \| good	0.138 \| good	13.929 \| good	0.243 \| good
2026-04-19T08:00:00.000Z	38 \| good	6.732 \| good	32.836 \| good	23.872 \| good	0.135 \| good	8.865 \| good	0.181 \| good
2026-04-19T09:00:00.000Z	33 \| good	6.042 \| good	16.255 \| good	24.146 \| good	0.114 \| good	3.821 \| good	0.171 \| good
2026-04-19T10:00:00.000Z	33 \| good	5.745 \| good	18.813 \| good	23.406 \| good	0.1 \| good	2.576 \| good	0.179 \| good
2026-04-19T11:00:00.000Z	38 \| good	6.849 \| good	26.175 \| good	20.634 \| good	0.1 \| good	3.407 \| good	0.179 \| good
2026-04-19T12:00:00.000Z	44 \| good	7.545 \| good	34.854 \| good	20.614 \| good	0.114 \| good	2.818 \| good	0.17 \| good
2026-04-19T13:00:00.000Z	49 \| good	8.709 \| good	23.02 \| good	22.863 \| good	0.113 \| good	3.287 \| good	0.17 \| good
2026-04-19T14:00:00.000Z	44 \| good	7.942 \| good	35.297 \| good	20.057 \| good	0.1 \| good	3.403 \| good	0.179 \| good
2026-04-19T15:00:00.000Z	44 \| good	8.158 \| good	20.993 \| good	17.781 \| good	0.1 \| good	4.604 \| good	0.179 \| good
2026-04-19T16:00:00.000Z	44 \| good	7.797 \| good	36.41 \| good	21.719 \| good	0.18 \| good	4.652 \| good	0.18 \| good
2026-04-19T17:00:00.000Z	38 \| good	6.577 \| good	18.083 \| good	23.248 \| good	0.141 \| good	4.31 \| good	0.18 \| good
2026-04-19T18:00:00.000Z	33 \| good	6.462 \| good	29.839 \| good	34.766 \| good	0.1 \| good	3.373 \| good	0.18 \| good
2026-04-19T19:00:00.000Z	33 \| good	5.615 \| good	25.611 \| good	26.832 \| good	0.135 \| good	2.717 \| good	0.18 \| good
2026-04-19T20:00:00.000Z	27 \| good	5.178 \| good	23.718 \| good	27.35 \| good	0.112 \| good	3.833 \| good	0.171 \| good
2026-04-19T21:00:00.000Z	26 \| good	4.103 \| good	22.73 \| good	28.053 \| good	0.11 \| good	8.15 \| good	0.182 \| good
2026-04-19T22:00:00.000Z	31 \| good	3.201 \| good	17.496 \| good	33.056 \| good	0.169 \| good	9.016 \| good	0.171 \| good
2026-04-19T23:00:00.000Z	35 \| good	3.449 \| good	14.807 \| good	37.926 \| good	0.179 \| good	9.263 \| good	0.18 \| good
2026-04-20T00:00:00.000Z	34 \| good	3.18 \| good	16.519 \| good	37.441 \| good	0.188 \| good	9.34 \| good	0.18 \| good
2026-04-20T01:00:00.000Z	36 \| good	3.239 \| good	16.065 \| good	38.904 \| good	0.173 \| good	8.648 \| good	0.191 \| good
2026-04-20T02:00:00.000Z	28 \| good	2.602 \| good	10.289 \| good	30.293 \| good	0.185 \| good	14.379 \| good	0.2 \| good
2026-04-20T03:00:00.000Z	25 \| good	2.803 \| good	10.921 \| good	26.73 \| good	0.26 \| good	13.309 \| good	0.209 \| good
2026-04-20T04:00:00.000Z	26 \| good	2.572 \| good	10.6 \| good	28.333 \| good	0.295 \| good	10.471 \| good	0.218 \| good
2026-04-20T05:00:00.000Z	26 \| good	2.572 \| good	10.6 \| good	28.333 \| good	0.295 \| good	10.471 \| good	0.218 \| good
2026-04-20T06:00:00.000Z	66 \| moderate	16.639 \| fine	73.238 \| fine	17.057 \| good	1.566 \| good	27.955 \| good	0.332 \| good
2026-04-20T07:00:00.000Z	66 \| moderate	16.591 \| fine	73.895 \| fine	16.683 \| good	1.29 \| good	24.908 \| good	0.315 \| good
2026-04-20T08:00:00.000Z	62 \| moderate	15.407 \| fine	67.664 \| fine	16.625 \| good	1.014 \| good	21.86 \| good	0.299 \| good
2026-04-20T09:00:00.000Z	60 \| moderate	13.529 \| fine	59.564 \| fine	17.597 \| good	0.738 \| good	18.813 \| good	0.282 \| good
2026-04-20T10:00:00.000Z	56 \| moderate	12.326 \| fine	55.083 \| fine	17.349 \| good	0.586 \| good	16.379 \| good	0.264 \| good
2026-04-20T11:00:00.000Z	56 \| moderate	11.512 \| good	50.941 \| good	16.368 \| good	0.433 \| good	13.946 \| good	0.246 \| good
2026-04-20T12:00:00.000Z	54 \| moderate	10.732 \| good	47.511 \| good	15.692 \| good	0.281 \| good	11.512 \| good	0.228 \| good
2026-04-20T13:00:00.000Z	52 \| moderate	9.735 \| good	43.931 \| good	14.039 \| good	0.278 \| good	10.474 \| good	0.223 \| good
2026-04-20T14:00:00.000Z	54 \| moderate	11.004 \| good	48.555 \| good	13.645 \| good	0.275 \| good	9.435 \| good	0.218 \| good
2026-04-20T15:00:00.000Z	49 \| good	9.283 \| good	41.107 \| good	16.529 \| good	0.273 \| good	8.397 \| good	0.213 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.51 \| good	42.864 \| good	18.706 \| good	0.341 \| good	7.368 \| good	0.204 \| good
2026-04-20T17:00:00.000Z	54 \| moderate	10.984 \| good	48.529 \| good	22.882 \| good	0.41 \| good	6.34 \| good	0.195 \| good
2026-04-20T18:00:00.000Z	56 \| moderate	12.01 \| good	53.006 \| good	27.713 \| good	0.478 \| good	5.312 \| good	0.186 \| good
2026-04-20T19:00:00.000Z	58 \| moderate	13.147 \| fine	57.95 \| fine	31.511 \| good	0.669 \| good	5.324 \| good	0.185 \| good
2026-04-20T20:00:00.000Z	60 \| moderate	13.911 \| fine	61.376 \| fine	34.498 \| good	0.861 \| good	5.337 \| good	0.183 \| good
2026-04-20T21:00:00.000Z	62 \| moderate	14.559 \| fine	64.553 \| fine	38.696 \| good	1.052 \| good	5.349 \| good	0.182 \| good
2026-04-20T22:00:00.000Z	64 \| moderate	15.806 \| fine	70.313 \| fine	42.872 \| good	1.243 \| good	6.027 \| good	0.187 \| good
2026-04-20T23:00:00.000Z	64 \| moderate	16.386 \| fine	72.673 \| fine	43.445 \| good	1.433 \| good	6.704 \| good	0.193 \| good
2026-04-21T00:00:00.000Z	62 \| moderate	15.1 \| fine	66.361 \| fine	43.374 \| good	1.624 \| good	7.382 \| good	0.198 \| good
2026-04-21T01:00:00.000Z	64 \| moderate	15.549 \| fine	69.168 \| fine	40.946 \| good	1.532 \| good	8.65 \| good	0.204 \| good
2026-04-21T02:00:00.000Z	75 \| moderate	21.728 \| fine	95.4 \| fine	31.983 \| good	1.441 \| good	9.918 \| good	0.211 \| good
2026-04-21T03:00:00.000Z	81 \| moderate	24.535 \| fine	106.992 \| fine	23.388 \| good	1.349 \| good	11.185 \| good	0.218 \| good
2026-04-21T04:00:00.000Z	77 \| moderate	23.148 \| fine	101.174 \| fine	21.22 \| good	1.128 \| good	9.496 \| good	0.202 \| good
2026-04-21T05:00:00.000Z	67 \| moderate	17.845 \| fine	78.952 \| fine	24.503 \| good	0.908 \| good	7.808 \| good	0.186 \| good
2026-04-21T06:00:00.000Z	64 \| moderate	15.589 \| fine	69.87 \| fine	24.327 \| good	0.687 \| good	6.119 \| good	0.171 \| good
2026-04-21T07:00:00.000Z	62 \| moderate	15.272 \| fine	68.037 \| fine	24.158 \| good	0.63 \| good	5.196 \| good	0.161 \| good
2026-04-21T08:00:00.000Z	60 \| moderate	13.849 \| fine	62.67 \| fine	24.701 \| good	0.573 \| good	4.273 \| good	0.152 \| good
2026-04-21T09:00:00.000Z	54 \| moderate	11.425 \| good	50.977 \| good	25.609 \| good	0.517 \| good	3.35 \| good	0.142 \| good
2026-04-21T10:00:00.000Z	54 \| moderate	10.82 \| good	47.894 \| good	25.004 \| good	0.478 \| good	2.971 \| good	0.139 \| good
2026-04-21T11:00:00.000Z	49 \| good	9.475 \| good	41.839 \| good	24.665 \| good	0.44 \| good	2.592 \| good	0.136 \| good
2026-04-21T12:00:00.000Z	44 \| good	8.444 \| good	37.346 \| good	21.752 \| good	0.401 \| good	2.213 \| good	0.133 \| good
2026-04-21T13:00:00.000Z	38 \| good	7.486 \| good	33.295 \| good	22.154 \| good	0.371 \| good	2.324 \| good	0.132 \| good
2026-04-21T14:00:00.000Z	38 \| good	6.668 \| good	28.971 \| good	23.694 \| good	0.342 \| good	2.435 \| good	0.131 \| good
2026-04-21T15:00:00.000Z	27 \| good	5.276 \| good	23.411 \| good	25.348 \| good	0.312 \| good	2.546 \| good	0.13 \| good
2026-04-21T16:00:00.000Z	27 \| good	4.503 \| good	19.906 \| good	25.04 \| good	0.358 \| good	3.231 \| good	0.134 \| good
2026-04-21T17:00:00.000Z	23 \| good	4.002 \| good	16.991 \| good	24.997 \| good	0.404 \| good	3.915 \| good	0.138 \| good
2026-04-21T18:00:00.000Z	23 \| good	3.721 \| good	15.516 \| good	25.418 \| good	0.451 \| good	4.599 \| good	0.142 \| good
2026-04-21T19:00:00.000Z	25 \| good	3.629 \| good	15.439 \| good	26.912 \| good	0.499 \| good	4.426 \| good	0.142 \| good
2026-04-21T20:00:00.000Z	26 \| good	3.473 \| good	14.515 \| good	28.182 \| good	0.548 \| good	4.252 \| good	0.142 \| good
2026-04-21T21:00:00.000Z	27 \| good	3.468 \| good	14.944 \| good	29.131 \| good	0.597 \| good	4.079 \| good	0.142 \| good
2026-04-21T22:00:00.000Z	26 \| good	3.646 \| good	15.448 \| good	27.632 \| good	0.615 \| good	4.44 \| good	0.144 \| good
2026-04-21T23:00:00.000Z	25 \| good	4.072 \| good	17.387 \| good	27.451 \| good	0.633 \| good	4.801 \| good	0.146 \| good
2026-04-22T00:00:00.000Z	38 \| good	2.89 \| good	3.925 \| good	40.517 \| good	0.651 \| good	5.162 \| good	0.148 \| good
2026-04-22T01:00:00.000Z	38 \| good	6.534 \| good	28.809 \| good	21.983 \| good	0.796 \| good	8.525 \| good	0.172 \| good
2026-04-22T02:00:00.000Z	38 \| good	7.257 \| good	31.888 \| good	20.287 \| good	0.942 \| good	11.888 \| good	0.196 \| good
2026-04-22T03:00:00.000Z	44 \| good	7.957 \| good	34.801 \| good	15.985 \| good	1.087 \| good	15.25 \| good	0.22 \| good
2026-04-22T04:00:00.000Z	49 \| good	8.686 \| good	38.174 \| good	18.714 \| good	1.147 \| good	13.467 \| good	0.206 \| good
2026-04-22T05:00:00.000Z	49 \| good	9.243 \| good	40.791 \| good	19.622 \| good	1.207 \| good	11.683 \| good	0.193 \| good

Current air quality index in Sammamish, Washington today

Common air pollutants in Sammamish, Washington

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Sammamish, Washington

Air quality in nearby cities

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Redmond, Washington

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Kirkland, Washington

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Air quality levels in US

Frequently asked questions

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What is the PM2.5 concentration in Sammamish, Washington right now?

What is the current level of PM10 in Sammamish, Washington?

What is the current level of carbon monoxide (CO) in Sammamish, Washington?

What is the current level of sulfur dioxide (SO2) in Sammamish, Washington?

What is the current level of ozone (O3) in Sammamish, Washington?

What is the current level of nitrogen dioxide (NO2) in Sammamish, Washington?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Sammamish, Washington right now?

What is the current level of PM₁₀ in Sammamish, Washington?

What is the current level of sulfur dioxide (SO₂) in Sammamish, Washington?

What is the current level of ozone (O₃) in Sammamish, Washington?

What is the current level of nitrogen dioxide (NO₂) in Sammamish, Washington?