What is the current concentration of PM10 in Washington, Missouri?

The current PM10 concentration at Washington, Missouri is 18.263 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Washington, Missouri?

The current sulfur dioxide (SO2) concentration at Washington, Missouri is 0.996 ppb.

What is the current concentration of ozone (O3) in Washington, Missouri?

The current ozone (O3) concentration at Washington, Missouri is 28.236 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Washington, Missouri?

The current nitrogen dioxide (NO2) concentration at Washington, Missouri is 4.506 ppb.

Washington, Missouri live air quality index now

Q: What is the current concentration of PM2.5 in Washington, Missouri?

The current PM2.5 concentration at Washington, Missouri is 3.138 μg/m3.

Stay updated with real-time air quality in Washington, Missouri 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

Washington, Missouri

Last updated: ... (Local time)

Major air pollutants in Washington, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.14 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.26 μg/m³

155

255

425

605+

Ozone (O₃)

28.24 ppb

201

201+

Sulfur Dioxide (SO₂)

1.00 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.51 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Washington, Missouri

Scroll To Air Quality Map

Track live Washington, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T15:00:00.000Z	49 \| good	8.787 \| good	33.743 \| good	24.002 \| good	1.043 \| good	2.471 \| good	0.233 \| good
2026-09-05T16:00:00.000Z	52 \| moderate	9.919 \| good	44.913 \| good	29.959 \| good	1.008 \| good	3.68 \| good	0.233 \| good
2026-09-05T17:00:00.000Z	54 \| moderate	11.187 \| good	46.2 \| good	31.157 \| good	0.921 \| good	3.132 \| good	0.215 \| good
2026-09-05T18:00:00.000Z	56 \| moderate	11.872 \| good	52.008 \| good	36.061 \| good	0.91 \| good	4.382 \| good	0.225 \| good
2026-09-05T19:00:00.000Z	52 \| moderate	9.941 \| good	35.059 \| good	43.335 \| good	1.009 \| good	3.397 \| good	0.207 \| good
2026-09-05T20:00:00.000Z	42 \| good	7.331 \| good	30.693 \| good	44.513 \| good	1.21 \| good	2.639 \| good	0.169 \| good
2026-09-05T21:00:00.000Z	40 \| good	6.625 \| good	31.87 \| good	43.465 \| good	0.989 \| good	2.12 \| good	0.199 \| good
2026-09-05T22:00:00.000Z	38 \| good	6.746 \| good	28.707 \| good	40.513 \| good	1.043 \| good	2.119 \| good	0.16 \| good
2026-09-05T23:00:00.000Z	38 \| good	6.683 \| good	24.413 \| good	41.123 \| good	1.086 \| good	2.651 \| good	0.16 \| good
2026-09-06T00:00:00.000Z	33 \| good	6.389 \| good	27.061 \| good	34.129 \| good	1.055 \| good	4.267 \| good	0.168 \| good
2026-09-06T01:00:00.000Z	33 \| good	6.497 \| good	29.736 \| good	34.806 \| good	1.46 \| good	4.754 \| good	0.241 \| good
2026-09-06T02:00:00.000Z	33 \| good	5.649 \| good	23.198 \| good	31.761 \| good	1.425 \| good	6.306 \| good	0.275 \| good
2026-09-06T03:00:00.000Z	33 \| good	3.625 \| good	15.942 \| good	35.552 \| good	0.701 \| good	4.504 \| good	0.18 \| good
2026-09-06T04:00:00.000Z	38 \| good	6.757 \| good	34.636 \| good	33.915 \| good	1.072 \| good	4.061 \| good	0.215 \| good
2026-09-06T05:00:00.000Z	44 \| good	7.684 \| good	26.438 \| good	33.02 \| good	1.097 \| good	4.242 \| good	0.241 \| good
2026-09-06T06:00:00.000Z	38 \| good	6.878 \| good	35.636 \| good	26.563 \| good	1.044 \| good	4.186 \| good	0.308 \| good
2026-09-06T07:00:00.000Z	38 \| good	7.197 \| good	35.667 \| good	31.452 \| good	1.045 \| good	4.45 \| good	0.308 \| good
2026-09-06T08:00:00.000Z	35 \| good	6.307 \| good	38.101 \| good	28.728 \| good	1.048 \| good	4.509 \| good	0.308 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.391 \| good	29.668 \| good	31.334 \| good	1.017 \| good	3.292 \| good	0.199 \| good
2026-09-06T10:00:00.000Z	44 \| good	8.089 \| good	29.743 \| good	29.61 \| good	0.975 \| good	2.825 \| good	0.199 \| good
2026-09-06T11:00:00.000Z	44 \| good	8.452 \| good	30.529 \| good	31.987 \| good	0.968 \| good	2.97 \| good	0.199 \| good
2026-09-06T12:00:00.000Z	38 \| good	6.747 \| good	27.006 \| good	32.023 \| good	0.974 \| good	3.7 \| good	0.199 \| good
2026-09-06T13:00:00.000Z	38 \| good	7.069 \| good	28.42 \| good	32.279 \| good	0.993 \| good	3.523 \| good	0.199 \| good
2026-09-06T14:00:00.000Z	54 \| moderate	10.593 \| good	28.353 \| good	30.968 \| good	1.187 \| good	3.916 \| good	0.199 \| good
2026-09-06T15:00:00.000Z	54 \| moderate	11.004 \| good	38.32 \| good	32.18 \| good	1.142 \| good	3.719 \| good	0.199 \| good
2026-09-06T16:00:00.000Z	52 \| moderate	9.866 \| good	34.034 \| good	33.305 \| good	1.246 \| good	2.902 \| good	0.233 \| good
2026-09-06T17:00:00.000Z	52 \| moderate	9.509 \| good	31.098 \| good	36.481 \| good	1.108 \| good	2.351 \| good	0.199 \| good
2026-09-06T18:00:00.000Z	49 \| good	9.368 \| good	37.684 \| good	38.225 \| good	1.42 \| good	2.462 \| good	0.233 \| good
2026-09-06T19:00:00.000Z	49 \| good	9.307 \| good	29.679 \| good	39.465 \| good	1.207 \| good	2.268 \| good	0.199 \| good
2026-09-06T20:00:00.000Z	44 \| good	8.234 \| good	24.944 \| good	43.313 \| good	1.032 \| good	2.198 \| good	0.199 \| good
2026-09-06T21:00:00.000Z	44 \| good	7.81 \| good	23.496 \| good	42.904 \| good	1.179 \| good	2.326 \| good	0.199 \| good
2026-09-06T22:00:00.000Z	38 \| good	6.697 \| good	23.326 \| good	39.774 \| good	0.905 \| good	1.977 \| good	0.16 \| good
2026-09-06T23:00:00.000Z	36 \| good	6.294 \| good	23.674 \| good	39.128 \| good	0.896 \| good	1.981 \| good	0.16 \| good
2026-09-07T00:00:00.000Z	39 \| good	4.116 \| good	18.312 \| good	42.347 \| good	0.991 \| good	2.678 \| good	0.16 \| good
2026-09-07T01:00:00.000Z	38 \| good	3.994 \| good	19.935 \| good	41.378 \| good	1.303 \| good	3.522 \| good	0.194 \| good
2026-09-07T02:00:00.000Z	34 \| good	5.175 \| good	23.754 \| good	36.543 \| good	1.619 \| good	4.156 \| good	0.233 \| good
2026-09-07T03:00:00.000Z	54 \| moderate	10.847 \| good	48.148 \| good	26.165 \| good	0.744 \| good	3.43 \| good	0.167 \| good
2026-09-07T04:00:00.000Z	33 \| good	5.53 \| good	30.263 \| good	36.233 \| good	1.039 \| good	3.596 \| good	0.199 \| good
2026-09-07T05:00:00.000Z	31 \| good	5.132 \| good	22.608 \| good	33.282 \| good	1.021 \| good	3.281 \| good	0.152 \| good
2026-09-07T06:00:00.000Z	31 \| good	3.869 \| good	19.248 \| good	32.524 \| good	0.99 \| good	2.964 \| good	0.152 \| good
2026-09-07T07:00:00.000Z	29 \| good	3.969 \| good	19.936 \| good	31.407 \| good	0.984 \| good	3.027 \| good	0.152 \| good
2026-09-07T08:00:00.000Z	27 \| good	4.466 \| good	21.751 \| good	29.074 \| good	0.98 \| good	3.098 \| good	0.152 \| good
2026-09-07T09:00:00.000Z	27 \| good	3.936 \| good	24.102 \| good	29.015 \| good	0.971 \| good	3.312 \| good	0.152 \| good
2026-09-07T10:00:00.000Z	29 \| good	3.882 \| good	27.914 \| good	30.993 \| good	0.907 \| good	4.045 \| good	0.152 \| good
2026-09-07T11:00:00.000Z	28 \| good	4.018 \| good	23.649 \| good	30.194 \| good	0.888 \| good	4.278 \| good	0.152 \| good
2026-09-07T12:00:00.000Z	28 \| good	3.503 \| good	22.825 \| good	29.571 \| good	0.92 \| good	4.388 \| good	0.152 \| good
2026-09-07T13:00:00.000Z	26 \| good	3.138 \| good	18.263 \| good	28.236 \| good	0.996 \| good	4.506 \| good	0.191 \| good
2026-09-07T14:00:00.000Z	26 \| good	3.138 \| good	18.263 \| good	28.236 \| good	0.996 \| good	4.506 \| good	0.191 \| good
2026-09-07T15:00:00.000Z	52 \| moderate	10.074 \| good	44.863 \| good	37.921 \| good	1.348 \| good	1.929 \| good	0.182 \| good
2026-09-07T16:00:00.000Z	54 \| moderate	10.832 \| good	47.984 \| good	45.883 \| good	1.518 \| good	1.254 \| good	0.18 \| good
2026-09-07T17:00:00.000Z	56 \| moderate	11.583 \| good	51.42 \| good	52.859 \| good	1.703 \| good	0.902 \| good	0.176 \| good
2026-09-07T18:00:00.000Z	54 \| moderate	10.958 \| good	48.707 \| good	56.33 \| fine	1.741 \| good	0.772 \| good	0.175 \| good
2026-09-07T19:00:00.000Z	61 \| moderate	11.222 \| good	49.849 \| good	58.419 \| fine	1.709 \| good	0.733 \| good	0.175 \| good
2026-09-07T20:00:00.000Z	64 \| moderate	9.709 \| good	43.39 \| good	59.122 \| fine	1.685 \| good	0.751 \| good	0.176 \| good
2026-09-07T21:00:00.000Z	64 \| moderate	9.504 \| good	42.044 \| good	59.333 \| fine	1.689 \| good	0.812 \| good	0.177 \| good
2026-09-07T22:00:00.000Z	71 \| moderate	9.787 \| good	43.735 \| good	60.7 \| fine	1.682 \| good	0.932 \| good	0.178 \| good
2026-09-07T23:00:00.000Z	51 \| moderate	8.842 \| good	39.256 \| good	54.865 \| good	1.652 \| good	1.283 \| good	0.18 \| good
2026-09-08T00:00:00.000Z	52 \| moderate	9.563 \| good	42.682 \| good	40.375 \| good	1.509 \| good	2.387 \| good	0.189 \| good
2026-09-08T01:00:00.000Z	49 \| good	9.156 \| good	40.826 \| good	36.556 \| good	1.383 \| good	3.668 \| good	0.198 \| good
2026-09-08T02:00:00.000Z	49 \| good	9.289 \| good	41.371 \| good	29.926 \| good	1.25 \| good	4.234 \| good	0.201 \| good
2026-09-08T03:00:00.000Z	49 \| good	8.642 \| good	37.761 \| good	28.301 \| good	1.136 \| good	4.489 \| good	0.201 \| good
2026-09-08T04:00:00.000Z	49 \| good	9.247 \| good	41.155 \| good	29.297 \| good	1.049 \| good	4.543 \| good	0.199 \| good
2026-09-08T05:00:00.000Z	49 \| good	9.306 \| good	41.378 \| good	28.288 \| good	0.976 \| good	4.402 \| good	0.196 \| good
2026-09-08T06:00:00.000Z	49 \| good	8.944 \| good	39.456 \| good	24.51 \| good	0.904 \| good	4.124 \| good	0.193 \| good
2026-09-08T07:00:00.000Z	44 \| good	8.002 \| good	35.171 \| good	22.457 \| good	0.843 \| good	3.888 \| good	0.19 \| good
2026-09-08T08:00:00.000Z	44 \| good	7.745 \| good	33.953 \| good	23.212 \| good	0.795 \| good	3.779 \| good	0.189 \| good
2026-09-08T09:00:00.000Z	44 \| good	7.552 \| good	33.036 \| good	25.629 \| good	0.765 \| good	3.771 \| good	0.188 \| good
2026-09-08T10:00:00.000Z	49 \| good	8.653 \| good	37.928 \| good	24.88 \| good	0.755 \| good	3.816 \| good	0.189 \| good
2026-09-08T11:00:00.000Z	52 \| moderate	10.102 \| good	44.987 \| good	24.438 \| good	0.757 \| good	3.981 \| good	0.19 \| good
2026-09-08T12:00:00.000Z	52 \| moderate	10.158 \| good	45.103 \| good	20.28 \| good	0.764 \| good	4.162 \| good	0.193 \| good
2026-09-08T13:00:00.000Z	52 \| moderate	9.762 \| good	43.213 \| good	23.477 \| good	0.759 \| good	3.846 \| good	0.199 \| good
2026-09-08T14:00:00.000Z	49 \| good	9.166 \| good	40.946 \| good	33.341 \| good	0.844 \| good	2.805 \| good	0.199 \| good
2026-09-08T15:00:00.000Z	40 \| good	7.461 \| good	32.727 \| good	42.991 \| good	0.981 \| good	1.744 \| good	0.196 \| good
2026-09-08T16:00:00.000Z	49 \| good	8.856 \| good	38.848 \| good	48.401 \| good	1.17 \| good	1.102 \| good	0.192 \| good
2026-09-08T17:00:00.000Z	52 \| moderate	9.7 \| good	43.188 \| good	49.174 \| good	1.239 \| good	0.786 \| good	0.189 \| good
2026-09-08T18:00:00.000Z	49 \| good	9.467 \| good	42.254 \| good	47.503 \| good	1.279 \| good	0.653 \| good	0.186 \| good
2026-09-08T19:00:00.000Z	49 \| good	9.487 \| good	42.29 \| good	47.109 \| good	1.307 \| good	0.608 \| good	0.183 \| good
2026-09-08T20:00:00.000Z	49 \| good	8.639 \| good	37.91 \| good	46.608 \| good	1.307 \| good	0.602 \| good	0.18 \| good
2026-09-08T21:00:00.000Z	49 \| good	9.067 \| good	40.874 \| good	45.937 \| good	1.316 \| good	0.625 \| good	0.177 \| good
2026-09-08T22:00:00.000Z	44 \| good	7.928 \| good	34.654 \| good	44.809 \| good	1.335 \| good	0.708 \| good	0.175 \| good
2026-09-08T23:00:00.000Z	44 \| good	8.119 \| good	35.714 \| good	41.77 \| good	1.31 \| good	1.24 \| good	0.181 \| good
2026-09-09T00:00:00.000Z	44 \| good	7.878 \| good	34.395 \| good	32.082 \| good	1.263 \| good	2.397 \| good	0.194 \| good
2026-09-09T01:00:00.000Z	44 \| good	8.111 \| good	35.461 \| good	29.561 \| good	1.199 \| good	3.05 \| good	0.2 \| good
2026-09-09T02:00:00.000Z	44 \| good	8.352 \| good	36.843 \| good	28.251 \| good	1.017 \| good	3.008 \| good	0.203 \| good
2026-09-09T03:00:00.000Z	49 \| good	8.822 \| good	38.765 \| good	28.332 \| good	0.799 \| good	2.802 \| good	0.205 \| good
2026-09-09T04:00:00.000Z	52 \| moderate	10.119 \| good	44.915 \| good	29.108 \| good	0.612 \| good	2.522 \| good	0.206 \| good
2026-09-09T05:00:00.000Z	54 \| moderate	10.991 \| good	48.534 \| good	29.89 \| good	0.472 \| good	2.198 \| good	0.206 \| good
2026-09-09T06:00:00.000Z	52 \| moderate	10.459 \| good	46.206 \| good	32.198 \| good	0.382 \| good	1.844 \| good	0.204 \| good
2026-09-09T07:00:00.000Z	54 \| moderate	10.501 \| good	46.473 \| good	33.576 \| good	0.339 \| good	1.553 \| good	0.2 \| good
2026-09-09T08:00:00.000Z	52 \| moderate	10.222 \| good	45 \| good	31.804 \| good	0.334 \| good	1.371 \| good	0.196 \| good
2026-09-09T09:00:00.000Z	52 \| moderate	9.784 \| good	43.521 \| good	31.687 \| good	0.36 \| good	1.28 \| good	0.192 \| good
2026-09-09T10:00:00.000Z	52 \| moderate	10.128 \| good	45.011 \| good	31.537 \| good	0.41 \| good	1.229 \| good	0.189 \| good
2026-09-09T11:00:00.000Z	56 \| moderate	12.497 \| fine	56.211 \| fine	29.231 \| good	0.456 \| good	1.201 \| good	0.186 \| good
2026-09-09T12:00:00.000Z	58 \| moderate	13.362 \| fine	60.845 \| fine	27.011 \| good	0.488 \| good	1.191 \| good	0.184 \| good
2026-09-09T13:00:00.000Z	60 \| moderate	14.246 \| fine	63.232 \| fine	28.217 \| good	0.507 \| good	1.246 \| good	0.186 \| good
2026-09-09T14:00:00.000Z	60 \| moderate	13.548 \| fine	61 \| fine	31.086 \| good	0.515 \| good	1.31 \| good	0.193 \| good

Washington

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Washington, Missouri air quality map: Track AQI near you

0.19ppm

How accurate is Missouri, USA air quality data?

Air quality data and pollutant measurements for Missouri, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Washington, Missouri updated?

The air quality for Washington, Missouri is updated every hour.

When was the worst air quality at Washington, Missouri in the last 24 hrs?

The worst air quality in Washington, Missouri in the last 24 hours was observed at 03:00:00 on 2026-09-07.

When was the best air quality at Washington, Missouri in the last 24 hrs?

In the last 24 hrs, the best air quality in Washington, Missouri was observed at 01:00:00 on 2026-09-07.

What is the current air quality in Washington, Missouri?

The current air quality in Washington, Missouri is 26, categorized as Good based on real-time data.

What pollutant is the most common in Washington, Missouri?

The most common pollutant in Washington, Missouri is O3.

What should I do if the air quality in Washington, Missouri is poor?

If the air quality in Washington, Missouri is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Washington, Missouri?

The current PM_2.5 concentration at Washington, Missouri is 3.138 μg/m³.

What is the current concentration of PM₁₀ in Washington, Missouri?

The current PM₁₀ concentration at Washington, Missouri is 18.263 μg/m³.

What is the current concentration of carbon monoxide (CO) in Washington, Missouri?

The current carbon monoxide (CO) concentration at Washington, Missouri is 0.191 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Washington, Missouri?

The current sulfur dioxide (SO₂) concentration at Washington, Missouri is 0.996 ppb.

What is the current concentration of ozone (O₃) in Washington, Missouri?

The current ozone (O₃) concentration at Washington, Missouri is 28.236 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Washington, Missouri?

The current nitrogen dioxide (NO₂) concentration at Washington, Missouri is 4.506 ppb.

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