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

Monroe, Washington currently has a PM10 concentration of 66.474 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Monroe, Washington is 0.322 ppb.

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

Monroe, Washington currently has an ozone (O3) concentration of 31.813 ppm.

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

The current level of nitrogen dioxide (NO2) in Monroe, Washington is 4.836 ppb.

Current air quality index in Monroe, Washington today

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

Monroe, Washington currently has a PM2.5 concentration of 11.329 μg/m3.

Stay updated with real-time air quality in Monroe, 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

Monroe, Washington

Last updated: ... (Local time)

Common air pollutants in Monroe, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.33 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

66.47 μg/m³

155

255

425

605+

Ozone (O₃)

31.81 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

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Monroe, Washington

Scroll To Air Quality Map

Track live Monroe, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	69 \| moderate	18.902 \| fine	57.401 \| fine	52.049 \| good	0.421 \| good	15.719 \| good	0.288 \| good
2026-07-22T00:00:00.000Z	67 \| moderate	13.214 \| fine	42.222 \| good	59.889 \| fine	0.461 \| good	14.652 \| good	0.31 \| good
2026-07-22T01:00:00.000Z	66 \| moderate	16.735 \| fine	44.015 \| good	53.753 \| good	0.409 \| good	13.25 \| good	0.298 \| good
2026-07-22T02:00:00.000Z	66 \| moderate	16.956 \| fine	74.115 \| fine	58.985 \| fine	0.409 \| good	7.951 \| good	0.298 \| good
2026-07-22T03:00:00.000Z	101 \| sensitive	19.137 \| fine	68.185 \| fine	70.97 \| fine	0.482 \| good	7.699 \| good	0.298 \| good
2026-07-22T04:00:00.000Z	82 \| moderate	25.845 \| fine	110.886 \| fine	62.128 \| fine	0.436 \| good	9.208 \| good	0.266 \| good
2026-07-22T05:00:00.000Z	73 \| moderate	21.123 \| fine	91.683 \| fine	54.208 \| good	0.451 \| good	11.868 \| good	0.343 \| good
2026-07-22T06:00:00.000Z	75 \| moderate	22.361 \| fine	80.886 \| fine	54.321 \| good	0.539 \| good	11.387 \| good	0.32 \| good
2026-07-22T07:00:00.000Z	75 \| moderate	21.864 \| fine	89.588 \| fine	46.364 \| good	0.54 \| good	13.124 \| good	0.32 \| good
2026-07-22T08:00:00.000Z	73 \| moderate	20.909 \| fine	45.795 \| good	21.406 \| good	0.667 \| good	10.614 \| good	0.177 \| good
2026-07-22T09:00:00.000Z	62 \| moderate	15.183 \| fine	55.395 \| fine	18.442 \| good	0.321 \| good	11.878 \| good	0.216 \| good
2026-07-22T10:00:00.000Z	80 \| moderate	24.256 \| fine	114.049 \| fine	14.178 \| good	0.338 \| good	16.156 \| good	0.167 \| good
2026-07-22T11:00:00.000Z	81 \| moderate	25.013 \| fine	84.88 \| fine	12.586 \| good	0.33 \| good	20.711 \| good	0.243 \| good
2026-07-22T12:00:00.000Z	64 \| moderate	16.306 \| fine	60.922 \| fine	13.826 \| good	0.332 \| good	25.112 \| good	0.232 \| good
2026-07-22T13:00:00.000Z	79 \| moderate	16.431 \| fine	111.837 \| fine	14.426 \| good	0.333 \| good	24.887 \| good	0.232 \| good
2026-07-22T14:00:00.000Z	83 \| moderate	20.36 \| fine	119.514 \| fine	18.468 \| good	0.321 \| good	11.842 \| good	0.361 \| good
2026-07-22T15:00:00.000Z	82 \| moderate	24.191 \| fine	116.686 \| fine	22.176 \| good	0.198 \| good	12.316 \| good	0.395 \| good
2026-07-22T16:00:00.000Z	93 \| moderate	21.882 \| fine	139.662 \| fine	21.372 \| good	0.511 \| good	8.416 \| good	0.355 \| good
2026-07-22T17:00:00.000Z	76 \| moderate	12.469 \| fine	104.826 \| fine	24.711 \| good	0.642 \| good	7.108 \| good	0.322 \| good
2026-07-22T18:00:00.000Z	87 \| moderate	12.553 \| fine	127.792 \| fine	30.783 \| good	0.519 \| good	5.491 \| good	0.31 \| good
2026-07-22T19:00:00.000Z	86 \| moderate	27.557 \| fine	119.356 \| fine	35.997 \| good	0.513 \| good	12.063 \| good	0.31 \| good
2026-07-22T20:00:00.000Z	92 \| moderate	31.473 \| fine	68.193 \| fine	55.971 \| fine	0.527 \| good	16.769 \| good	0.267 \| good
2026-07-22T21:00:00.000Z	107 \| sensitive	38.06 \| moderate	104.058 \| fine	61.432 \| fine	0.356 \| good	15.061 \| good	0.234 \| good
2026-07-22T22:00:00.000Z	112 \| sensitive	38.272 \| moderate	121.221 \| fine	73.993 \| moderate	0.371 \| good	14.935 \| good	0.288 \| good
2026-07-22T23:00:00.000Z	122 \| sensitive	18.092 \| fine	71.011 \| fine	76.559 \| moderate	0.464 \| good	13.563 \| good	0.265 \| good
2026-07-23T00:00:00.000Z	105 \| sensitive	23.633 \| fine	129.432 \| fine	71.833 \| moderate	0.495 \| good	13.304 \| good	0.265 \| good
2026-07-23T01:00:00.000Z	112 \| sensitive	27.384 \| fine	96.522 \| fine	74.282 \| moderate	0.484 \| good	17.468 \| good	0.331 \| good
2026-07-23T02:00:00.000Z	126 \| sensitive	21.273 \| fine	94.528 \| fine	78.042 \| moderate	0.385 \| good	17.771 \| good	0.331 \| good
2026-07-23T03:00:00.000Z	147 \| sensitive	54.442 \| moderate	246.404 \| moderate	76.081 \| moderate	1.074 \| good	6.674 \| good	0.257 \| good
2026-07-23T04:00:00.000Z	79 \| moderate	24.487 \| fine	98.556 \| fine	60.235 \| fine	0.502 \| good	8.785 \| good	0.266 \| good
2026-07-23T05:00:00.000Z	73 \| moderate	21.451 \| fine	53.594 \| good	42.355 \| good	0.609 \| good	11.197 \| good	0.299 \| good
2026-07-23T06:00:00.000Z	97 \| moderate	16.525 \| fine	148.449 \| fine	39.053 \| good	0.442 \| good	12.33 \| good	0.199 \| good
2026-07-23T07:00:00.000Z	87 \| moderate	17.857 \| fine	127.37 \| fine	33.423 \| good	0.416 \| good	9.745 \| good	0.199 \| good
2026-07-23T08:00:00.000Z	58 \| moderate	13.236 \| fine	60.207 \| fine	23.429 \| good	0.401 \| good	9.784 \| good	0.167 \| good
2026-07-23T09:00:00.000Z	62 \| moderate	15.301 \| fine	72.919 \| fine	25.782 \| good	0.378 \| good	7.514 \| good	0.134 \| good
2026-07-23T10:00:00.000Z	62 \| moderate	14.749 \| fine	69.417 \| fine	26.197 \| good	0.272 \| good	6.657 \| good	0.134 \| good
2026-07-23T11:00:00.000Z	67 \| moderate	17.808 \| fine	66.417 \| fine	29.721 \| good	3.891 \| good	9.274 \| good	0.134 \| good
2026-07-23T12:00:00.000Z	60 \| moderate	14.416 \| fine	16.754 \| good	31.041 \| good	3.854 \| good	10.429 \| good	0.134 \| good
2026-07-23T13:00:00.000Z	49 \| good	5.35 \| good	53.392 \| good	25.742 \| good	3.803 \| good	8.5 \| good	0.134 \| good
2026-07-23T14:00:00.000Z	52 \| moderate	9.71 \| good	38.319 \| good	26.38 \| good	0.356 \| good	7.369 \| good	0.211 \| good
2026-07-23T15:00:00.000Z	61 \| moderate	7.977 \| good	74.896 \| fine	25.17 \| good	0.397 \| good	6.082 \| good	0.144 \| good
2026-07-23T16:00:00.000Z	33 \| good	5.974 \| good	31.565 \| good	28.413 \| good	0.341 \| good	5.249 \| good	0.144 \| good
2026-07-23T17:00:00.000Z	27 \| good	2.148 \| good	26.292 \| good	29.487 \| good	0.502 \| good	4.622 \| good	0.111 \| good
2026-07-23T18:00:00.000Z	60 \| moderate	5.106 \| good	73.16 \| fine	28.125 \| good	0.454 \| good	5.094 \| good	0.111 \| good
2026-07-23T19:00:00.000Z	31 \| good	4.898 \| good	33.817 \| good	28.378 \| good	0.343 \| good	3.544 \| good	0.111 \| good
2026-07-23T20:00:00.000Z	33 \| good	5.98 \| good	19.049 \| good	31.67 \| good	0.343 \| good	3.841 \| good	0.157 \| good
2026-07-23T21:00:00.000Z	56 \| moderate	11.526 \| good	55.712 \| fine	28.922 \| good	0.322 \| good	3.919 \| good	0.157 \| good
2026-07-23T22:00:00.000Z	56 \| moderate	11.329 \| good	66.474 \| fine	31.813 \| good	0.322 \| good	4.836 \| good	0.157 \| good
2026-07-23T22:00:00.000Z	56 \| moderate	11.329 \| good	66.474 \| fine	31.813 \| good	0.322 \| good	4.836 \| good	0.157 \| good
2026-07-23T23:00:00.000Z	58 \| moderate	12.92 \| fine	57.82 \| fine	46.659 \| good	0.297 \| good	0.828 \| good	0.124 \| good
2026-07-24T00:00:00.000Z	58 \| moderate	12.99 \| fine	58.272 \| fine	48.547 \| good	0.295 \| good	0.918 \| good	0.124 \| good
2026-07-24T01:00:00.000Z	58 \| moderate	13.113 \| fine	57.904 \| fine	49.525 \| good	0.296 \| good	1.17 \| good	0.127 \| good
2026-07-24T02:00:00.000Z	58 \| moderate	13.197 \| fine	58.694 \| fine	48.902 \| good	0.305 \| good	1.629 \| good	0.13 \| good
2026-07-24T03:00:00.000Z	58 \| moderate	13.154 \| fine	58.948 \| fine	44.059 \| good	0.315 \| good	3.001 \| good	0.141 \| good
2026-07-24T04:00:00.000Z	58 \| moderate	13.118 \| fine	58.736 \| fine	42.276 \| good	0.354 \| good	6.207 \| good	0.167 \| good
2026-07-24T05:00:00.000Z	58 \| moderate	12.639 \| fine	56.438 \| fine	40.087 \| good	0.394 \| good	9.246 \| good	0.192 \| good
2026-07-24T06:00:00.000Z	56 \| moderate	12.297 \| fine	55.238 \| fine	38.189 \| good	0.416 \| good	11.645 \| good	0.211 \| good
2026-07-24T07:00:00.000Z	56 \| moderate	12.136 \| fine	54.211 \| good	35.752 \| good	0.403 \| good	13.155 \| good	0.223 \| good
2026-07-24T08:00:00.000Z	56 \| moderate	12.043 \| good	53.345 \| good	32.883 \| good	0.369 \| good	13.316 \| good	0.225 \| good
2026-07-24T09:00:00.000Z	56 \| moderate	11.984 \| good	53.497 \| good	29.211 \| good	0.336 \| good	13.006 \| good	0.224 \| good
2026-07-24T10:00:00.000Z	56 \| moderate	12.095 \| good	53.962 \| good	26.028 \| good	0.312 \| good	12.592 \| good	0.224 \| good
2026-07-24T11:00:00.000Z	56 \| moderate	11.919 \| good	53.742 \| good	22.624 \| good	0.288 \| good	12.413 \| good	0.228 \| good
2026-07-24T12:00:00.000Z	56 \| moderate	11.735 \| good	52.102 \| good	19.704 \| good	0.252 \| good	12.214 \| good	0.234 \| good
2026-07-24T13:00:00.000Z	56 \| moderate	11.76 \| good	53.143 \| good	18.037 \| good	0.186 \| good	11 \| good	0.245 \| good
2026-07-24T14:00:00.000Z	56 \| moderate	12.166 \| fine	54.102 \| good	21.875 \| good	0.137 \| good	7.868 \| good	0.255 \| good
2026-07-24T15:00:00.000Z	56 \| moderate	12.426 \| fine	54.973 \| good	25.739 \| good	0.178 \| good	5.724 \| good	0.263 \| good
2026-07-24T16:00:00.000Z	54 \| moderate	11.432 \| good	51.429 \| good	28.863 \| good	0.355 \| good	3.664 \| good	0.163 \| good
2026-07-24T17:00:00.000Z	52 \| moderate	10.282 \| good	45.384 \| good	32.348 \| good	0.415 \| good	2.738 \| good	0.149 \| good
2026-07-24T18:00:00.000Z	52 \| moderate	9.592 \| good	42.207 \| good	36.13 \| good	0.435 \| good	2.247 \| good	0.147 \| good
2026-07-24T19:00:00.000Z	49 \| good	9.284 \| good	41.156 \| good	40.316 \| good	0.439 \| good	1.869 \| good	0.143 \| good
2026-07-24T20:00:00.000Z	49 \| good	9.334 \| good	41.529 \| good	44.644 \| good	0.43 \| good	1.564 \| good	0.139 \| good
2026-07-24T21:00:00.000Z	49 \| good	9.282 \| good	40.611 \| good	49.245 \| good	0.417 \| good	1.362 \| good	0.135 \| good
2026-07-24T22:00:00.000Z	50 \| good	9.361 \| good	41.256 \| good	53.804 \| good	0.397 \| good	1.227 \| good	0.131 \| good
2026-07-24T23:00:00.000Z	58 \| moderate	9.977 \| good	44.221 \| good	57.247 \| fine	0.376 \| good	1.173 \| good	0.127 \| good
2026-07-25T00:00:00.000Z	64 \| moderate	11.2 \| good	49.898 \| good	59.223 \| fine	0.363 \| good	1.208 \| good	0.124 \| good
2026-07-25T01:00:00.000Z	64 \| moderate	12.667 \| fine	57.517 \| fine	58.903 \| fine	0.364 \| good	1.301 \| good	0.122 \| good
2026-07-25T02:00:00.000Z	58 \| moderate	13.359 \| fine	59.16 \| fine	52.573 \| good	0.378 \| good	1.647 \| good	0.123 \| good
2026-07-25T03:00:00.000Z	58 \| moderate	12.992 \| fine	57.399 \| fine	42.711 \| good	0.379 \| good	3.033 \| good	0.134 \| good
2026-07-25T04:00:00.000Z	56 \| moderate	12.067 \| good	54.492 \| good	36.913 \| good	0.395 \| good	5.689 \| good	0.154 \| good
2026-07-25T05:00:00.000Z	54 \| moderate	11.496 \| good	51.618 \| good	33.352 \| good	0.416 \| good	7.613 \| good	0.168 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	11.632 \| good	52.415 \| good	30.81 \| good	0.422 \| good	8.874 \| good	0.175 \| good
2026-07-25T07:00:00.000Z	56 \| moderate	11.86 \| good	53.403 \| good	28.66 \| good	0.394 \| good	9.174 \| good	0.173 \| good
2026-07-25T08:00:00.000Z	56 \| moderate	12.022 \| good	54.306 \| good	25.394 \| good	0.369 \| good	8.267 \| good	0.161 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	11.408 \| good	50.639 \| good	21.512 \| good	0.365 \| good	6.635 \| good	0.141 \| good
2026-07-25T10:00:00.000Z	52 \| moderate	10.482 \| good	46.764 \| good	18.609 \| good	0.357 \| good	5.369 \| good	0.123 \| good
2026-07-25T11:00:00.000Z	52 \| moderate	9.557 \| good	42.182 \| good	17.209 \| good	0.333 \| good	4.88 \| good	0.116 \| good
2026-07-25T12:00:00.000Z	44 \| good	8.208 \| good	36.57 \| good	16.59 \| good	0.319 \| good	4.656 \| good	0.113 \| good
2026-07-25T13:00:00.000Z	38 \| good	6.796 \| good	29.919 \| good	16.233 \| good	0.301 \| good	4.278 \| good	0.109 \| good
2026-07-25T14:00:00.000Z	33 \| good	5.654 \| good	25.346 \| good	20.174 \| good	0.284 \| good	3.043 \| good	0.101 \| good
2026-07-25T15:00:00.000Z	27 \| good	5.154 \| good	22.373 \| good	24.287 \| good	0.294 \| good	1.663 \| good	0.093 \| good
2026-07-25T16:00:00.000Z	27 \| good	5.36 \| good	24.299 \| good	27.387 \| good	0.277 \| good	1.179 \| good	0.092 \| good
2026-07-25T17:00:00.000Z	33 \| good	5.65 \| good	25.126 \| good	30.625 \| good	0.266 \| good	1.165 \| good	0.094 \| good
2026-07-25T18:00:00.000Z	33 \| good	5.738 \| good	25.128 \| good	34.085 \| good	0.264 \| good	1.257 \| good	0.096 \| good
2026-07-25T19:00:00.000Z	35 \| good	5.834 \| good	26.098 \| good	37.541 \| good	0.257 \| good	1.271 \| good	0.098 \| good
2026-07-25T20:00:00.000Z	38 \| good	6.088 \| good	26.797 \| good	41.165 \| good	0.267 \| good	1.331 \| good	0.1 \| good
2026-07-25T21:00:00.000Z	39 \| good	5.921 \| good	26.111 \| good	41.724 \| good	0.277 \| good	1.321 \| good	0.102 \| good
2026-07-25T22:00:00.000Z	35 \| good	5.363 \| good	23.388 \| good	38.378 \| good	0.282 \| good	1.245 \| good	0.103 \| good

Monroe

Empower business decisions with accurate air quality data

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

0.16ppm

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 Monroe, Washington get updated?

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

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

Monroe, Washington experienced its worst air quality at 03:00:00, 2026-07-23.

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

The best air quality in Monroe, Washington was observed at 05:00:00 on 2026-07-23.

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

The air quality in Monroe, Washington right now is Moderate, with an AQI of 56.

What pollutant is most frequently found in Monroe, Washington?

In Monroe, Washington, PM10 is the most frequently found pollutant.

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

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

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

Monroe, Washington currently has a PM_2.5 concentration of 11.329 μg/m³.

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

Monroe, Washington currently has a PM₁₀ concentration of 66.474 μg/m³.

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

The current carbon monoxide (CO) level in Monroe, Washington is 0.157 ppm.

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

The current sulfur dioxide (SO₂) concentration in Monroe, Washington is 0.322 ppb.

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

Monroe, Washington currently has an ozone (O₃) concentration of 31.813 ppm.

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

The current level of nitrogen dioxide (NO₂) in Monroe, Washington is 4.836 ppb.

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