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

The PM10 concentration in Washington, Illinois is 21.828 μg/m3 at the moment.

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

Currently, Washington, Illinois has a sulfur dioxide (SO2) concentration of 0.381 ppb.

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

The current ozone (O3) level in Washington, Illinois at the moment is 9.323 ppm.

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

Nitrogen dioxide (NO2) level in Washington, Illinois at the moment is 4.99 ppb.

Live air quality index in Washington, Illinois today

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

PM2.5 levels in Washington, Illinois are currently 4.027 μg/m3.

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

Last updated: ... (Local time)

Major air pollutants in Washington, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.03 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.83 μg/m³

155

255

425

605+

Ozone (O₃)

9.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Washington, Illinois

Get Live Pollen Counts

Washington, Illinois

Scroll To Air Quality Map

Track live Washington, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-21T13:00:00.000Z	22 \| good	4.039 \| good	16.59 \| good	18.73 \| good	0.38 \| good	8.155 \| good	0.276 \| good
2025-10-21T14:00:00.000Z	22 \| good	3.825 \| good	17.233 \| good	17.068 \| good	0.412 \| good	8.007 \| good	0.296 \| good
2025-10-21T15:00:00.000Z	19 \| good	3.363 \| good	13.717 \| good	20.096 \| good	0.788 \| good	5.483 \| good	0.161 \| good
2025-10-21T16:00:00.000Z	19 \| good	3.02 \| good	11.604 \| good	20.868 \| good	0.476 \| good	3.953 \| good	0.159 \| good
2025-10-21T17:00:00.000Z	21 \| good	3.093 \| good	13.62 \| good	22.958 \| good	0.232 \| good	2.89 \| good	0.159 \| good
2025-10-21T18:00:00.000Z	24 \| good	2.68 \| good	13.253 \| good	25.899 \| good	0.219 \| good	2.677 \| good	0.129 \| good
2025-10-21T19:00:00.000Z	24 \| good	2.526 \| good	12.59 \| good	25.567 \| good	0.307 \| good	2.984 \| good	0.186 \| good
2025-10-21T20:00:00.000Z	23 \| good	2.496 \| good	10.142 \| good	24.802 \| good	0.323 \| good	2.864 \| good	0.186 \| good
2025-10-21T21:00:00.000Z	24 \| good	2.836 \| good	22.417 \| good	25.918 \| good	0.12 \| good	2.742 \| good	0.143 \| good
2025-10-21T22:00:00.000Z	23 \| good	2.841 \| good	11.672 \| good	24.955 \| good	0.304 \| good	2.822 \| good	0.127 \| good
2025-10-21T23:00:00.000Z	25 \| good	2.9 \| good	12.59 \| good	26.665 \| good	0.288 \| good	2.744 \| good	0.127 \| good
2025-10-22T00:00:00.000Z	20 \| good	3.143 \| good	13.171 \| good	22.437 \| good	0.26 \| good	4.026 \| good	0.127 \| good
2025-10-22T01:00:00.000Z	24 \| good	3.096 \| good	14.326 \| good	25.731 \| good	0.289 \| good	4.364 \| good	0.13 \| good
2025-10-22T02:00:00.000Z	22 \| good	3.219 \| good	12.707 \| good	23.807 \| good	0.207 \| good	5.412 \| good	0.145 \| good
2025-10-22T03:00:00.000Z	23 \| good	0.357 \| good	1.417 \| good	25.363 \| good	0.151 \| good	1.748 \| good	0.125 \| good
2025-10-22T04:00:00.000Z	22 \| good	3.309 \| good	14.684 \| good	23.979 \| good	0.323 \| good	5.095 \| good	0.145 \| good
2025-10-22T05:00:00.000Z	22 \| good	3.065 \| good	13.803 \| good	24.35 \| good	0.388 \| good	4.512 \| good	0.145 \| good
2025-10-22T06:00:00.000Z	21 \| good	3.185 \| good	14.116 \| good	23.166 \| good	0.314 \| good	4.218 \| good	0.132 \| good
2025-10-22T07:00:00.000Z	23 \| good	3.048 \| good	11.442 \| good	24.518 \| good	0.333 \| good	4.244 \| good	0.132 \| good
2025-10-22T08:00:00.000Z	22 \| good	2.809 \| good	11.373 \| good	23.609 \| good	0.412 \| good	4.222 \| good	0.132 \| good
2025-10-22T09:00:00.000Z	22 \| good	2.311 \| good	9.54 \| good	24.17 \| good	0.299 \| good	1.789 \| good	0.112 \| good
2025-10-22T10:00:00.000Z	22 \| good	2.374 \| good	8.371 \| good	23.538 \| good	0.315 \| good	3.318 \| good	0.116 \| good
2025-10-22T11:00:00.000Z	20 \| good	2.46 \| good	10.892 \| good	22.072 \| good	0.338 \| good	3.804 \| good	0.145 \| good
2025-10-22T12:00:00.000Z	19 \| good	2.585 \| good	10.52 \| good	21.168 \| good	0.297 \| good	3.748 \| good	0.161 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.404 \| good	8.369 \| good	20.992 \| good	0.297 \| good	6.595 \| good	0.177 \| good
2025-10-22T14:00:00.000Z	19 \| good	2.429 \| good	8.919 \| good	20.017 \| good	0.351 \| good	6.818 \| good	0.209 \| good
2025-10-22T15:00:00.000Z	19 \| good	2.386 \| good	9.621 \| good	19.834 \| good	0.297 \| good	4.44 \| good	0.161 \| good
2025-10-22T16:00:00.000Z	19 \| good	2.5 \| good	10.315 \| good	19.773 \| good	0.36 \| good	3.737 \| good	0.145 \| good
2025-10-22T17:00:00.000Z	19 \| good	2.794 \| good	11.6 \| good	21.049 \| good	0.263 \| good	3.007 \| good	0.145 \| good
2025-10-22T18:00:00.000Z	19 \| good	2.895 \| good	7.594 \| good	20.72 \| good	0.276 \| good	2.881 \| good	0.145 \| good
2025-10-22T19:00:00.000Z	20 \| good	2.928 \| good	11.261 \| good	22.28 \| good	0.162 \| good	2.598 \| good	0.145 \| good
2025-10-22T20:00:00.000Z	23 \| good	2.816 \| good	10.584 \| good	25.119 \| good	0.151 \| good	3.604 \| good	0.159 \| good
2025-10-22T21:00:00.000Z	25 \| good	2.616 \| good	12.387 \| good	27.058 \| good	0.266 \| good	3.652 \| good	0.166 \| good
2025-10-22T22:00:00.000Z	27 \| good	2.863 \| good	13.715 \| good	29.486 \| good	0.311 \| good	2.181 \| good	0.143 \| good
2025-10-22T23:00:00.000Z	31 \| good	2.328 \| good	9.282 \| good	33.293 \| good	0.31 \| good	2.468 \| good	0.159 \| good
2025-10-23T00:00:00.000Z	30 \| good	2.45 \| good	11.657 \| good	32.134 \| good	0.226 \| good	3.785 \| good	0.239 \| good
2025-10-23T01:00:00.000Z	27 \| good	2.761 \| good	9.201 \| good	29.241 \| good	0.297 \| good	4.743 \| good	0.258 \| good
2025-10-23T02:00:00.000Z	23 \| good	2.641 \| good	10.822 \| good	25.316 \| good	0.384 \| good	4.843 \| good	0.29 \| good
2025-10-23T03:00:00.000Z	17 \| good	3.323 \| good	11.869 \| good	18.463 \| good	0.338 \| good	5.184 \| good	0.322 \| good
2025-10-23T04:00:00.000Z	17 \| good	3.305 \| good	11.91 \| good	18.166 \| good	0.541 \| good	6.366 \| good	0.306 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.794 \| good	16.155 \| good	16.194 \| good	0.603 \| good	6.43 \| good	0.414 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.926 \| good	15.751 \| good	13.348 \| good	0.387 \| good	6.977 \| good	0.42 \| good
2025-10-23T07:00:00.000Z	23 \| good	4.476 \| good	25.487 \| good	11.264 \| good	0.421 \| good	7.275 \| good	0.407 \| good
2025-10-23T08:00:00.000Z	22 \| good	4.413 \| good	19.989 \| good	10.868 \| good	0.464 \| good	6.492 \| good	0.421 \| good
2025-10-23T09:00:00.000Z	22 \| good	4.421 \| good	21.383 \| good	9.265 \| good	0.349 \| good	7.044 \| good	0.249 \| good
2025-10-23T10:00:00.000Z	31 \| good	4.438 \| good	33.388 \| good	10.761 \| good	0.421 \| good	4.73 \| good	0.169 \| good
2025-10-23T11:00:00.000Z	27 \| good	4.731 \| good	19.407 \| good	12.667 \| good	0.436 \| good	5.16 \| good	0.225 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.027 \| good	21.828 \| good	9.323 \| good	0.381 \| good	4.99 \| good	0.259 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.027 \| good	21.828 \| good	9.323 \| good	0.381 \| good	4.99 \| good	0.259 \| good
2025-10-23T13:00:00.000Z	22 \| good	4.465 \| good	19.7 \| good	9.097 \| good	0.288 \| good	4.297 \| good	0.15 \| good
2025-10-23T14:00:00.000Z	16 \| good	2.877 \| good	11.908 \| good	15.18 \| good	0.328 \| good	3.748 \| good	0.152 \| good
2025-10-23T15:00:00.000Z	19 \| good	0.558 \| good	2.071 \| good	21.176 \| good	0.368 \| good	3.2 \| good	0.154 \| good
2025-10-23T16:00:00.000Z	25 \| good	0.996 \| good	3.957 \| good	26.707 \| good	0.406 \| good	2.549 \| good	0.147 \| good
2025-10-23T17:00:00.000Z	28 \| good	2.737 \| good	11.031 \| good	29.943 \| good	0.444 \| good	1.899 \| good	0.14 \| good
2025-10-23T18:00:00.000Z	29 \| good	2.635 \| good	10.892 \| good	31.366 \| good	0.482 \| good	1.249 \| good	0.132 \| good
2025-10-23T19:00:00.000Z	31 \| good	2.527 \| good	10 \| good	32.504 \| good	0.47 \| good	1.211 \| good	0.132 \| good
2025-10-23T20:00:00.000Z	32 \| good	3.353 \| good	14.964 \| good	35.224 \| good	0.459 \| good	1.172 \| good	0.131 \| good
2025-10-23T21:00:00.000Z	31 \| good	2.991 \| good	12.179 \| good	33.069 \| good	0.447 \| good	1.134 \| good	0.131 \| good
2025-10-23T22:00:00.000Z	28 \| good	3.868 \| good	16.877 \| good	30.449 \| good	0.427 \| good	2.196 \| good	0.139 \| good
2025-10-23T23:00:00.000Z	24 \| good	4.443 \| good	19.552 \| good	26.111 \| good	0.406 \| good	3.258 \| good	0.146 \| good
2025-10-24T00:00:00.000Z	18 \| good	3.465 \| good	15.444 \| good	19.335 \| good	0.386 \| good	4.321 \| good	0.154 \| good
2025-10-24T01:00:00.000Z	20 \| good	3.008 \| good	11.977 \| good	22.432 \| good	0.393 \| good	5.477 \| good	0.162 \| good
2025-10-24T02:00:00.000Z	20 \| good	2.69 \| good	10.873 \| good	22.073 \| good	0.401 \| good	6.634 \| good	0.171 \| good
2025-10-24T03:00:00.000Z	20 \| good	2.912 \| good	11.976 \| good	21.671 \| good	0.408 \| good	7.791 \| good	0.179 \| good
2025-10-24T04:00:00.000Z	22 \| good	3.862 \| good	16.952 \| good	20.599 \| good	0.415 \| good	9.217 \| good	0.189 \| good
2025-10-24T05:00:00.000Z	22 \| good	3.728 \| good	16.05 \| good	17.077 \| good	0.422 \| good	10.643 \| good	0.199 \| good
2025-10-24T06:00:00.000Z	33 \| good	6.424 \| good	28.795 \| good	14.123 \| good	0.428 \| good	12.068 \| good	0.208 \| good
2025-10-24T07:00:00.000Z	44 \| good	8.245 \| good	36.217 \| good	13.156 \| good	0.42 \| good	12.351 \| good	0.209 \| good
2025-10-24T08:00:00.000Z	27 \| good	5.233 \| good	22.765 \| good	12.81 \| good	0.411 \| good	12.633 \| good	0.21 \| good
2025-10-24T09:00:00.000Z	22 \| good	4.184 \| good	18.11 \| good	15.898 \| good	0.402 \| good	12.916 \| good	0.211 \| good
2025-10-24T10:00:00.000Z	27 \| good	5.3 \| good	22.815 \| good	12.435 \| good	0.412 \| good	13.88 \| good	0.217 \| good
2025-10-24T11:00:00.000Z	27 \| good	5.111 \| good	21.893 \| good	11.486 \| good	0.423 \| good	14.845 \| good	0.223 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.096 \| good	17.893 \| good	9.744 \| good	0.433 \| good	15.809 \| good	0.229 \| good
2025-10-24T13:00:00.000Z	22 \| good	3.652 \| good	16.18 \| good	11.597 \| good	0.448 \| good	12.747 \| good	0.219 \| good
2025-10-24T14:00:00.000Z	22 \| good	3.523 \| good	15.745 \| good	14.325 \| good	0.463 \| good	9.685 \| good	0.208 \| good
2025-10-24T15:00:00.000Z	18 \| good	3.325 \| good	14.774 \| good	19.133 \| good	0.478 \| good	6.623 \| good	0.198 \| good
2025-10-24T16:00:00.000Z	24 \| good	3.43 \| good	15.105 \| good	25.813 \| good	0.609 \| good	4.974 \| good	0.175 \| good
2025-10-24T17:00:00.000Z	28 \| good	3.998 \| good	17.222 \| good	29.605 \| good	0.741 \| good	3.326 \| good	0.153 \| good
2025-10-24T18:00:00.000Z	30 \| good	4.298 \| good	19 \| good	31.915 \| good	0.872 \| good	1.677 \| good	0.131 \| good
2025-10-24T19:00:00.000Z	33 \| good	4.344 \| good	19.004 \| good	35.983 \| good	0.888 \| good	1.754 \| good	0.13 \| good
2025-10-24T20:00:00.000Z	36 \| good	6 \| good	26.279 \| good	38.953 \| good	0.904 \| good	1.83 \| good	0.13 \| good
2025-10-24T21:00:00.000Z	35 \| good	4.97 \| good	21.622 \| good	38.453 \| good	0.92 \| good	1.907 \| good	0.129 \| good
2025-10-24T22:00:00.000Z	34 \| good	6.345 \| good	28.079 \| good	36.668 \| good	0.918 \| good	6.127 \| good	0.164 \| good
2025-10-24T23:00:00.000Z	44 \| good	8.413 \| good	37.157 \| good	29.148 \| good	0.917 \| good	10.346 \| good	0.198 \| good
2025-10-25T00:00:00.000Z	38 \| good	7.063 \| good	31.178 \| good	24.807 \| good	0.915 \| good	14.565 \| good	0.232 \| good
2025-10-25T01:00:00.000Z	44 \| good	7.523 \| good	33.444 \| good	25.901 \| good	0.828 \| good	13.822 \| good	0.228 \| good
2025-10-25T02:00:00.000Z	38 \| good	6.642 \| good	29.539 \| good	25.517 \| good	0.741 \| good	13.079 \| good	0.225 \| good
2025-10-25T03:00:00.000Z	27 \| good	4.686 \| good	20.269 \| good	24.265 \| good	0.655 \| good	12.336 \| good	0.221 \| good
2025-10-25T04:00:00.000Z	27 \| good	4.77 \| good	20.919 \| good	25.401 \| good	0.593 \| good	10.782 \| good	0.208 \| good
2025-10-25T05:00:00.000Z	27 \| good	4.732 \| good	20.819 \| good	24.792 \| good	0.532 \| good	9.227 \| good	0.196 \| good
2025-10-25T06:00:00.000Z	52 \| moderate	9.723 \| good	9.909 \| good	20.53 \| good	0.471 \| good	7.707 \| good	0.184 \| good
2025-10-25T07:00:00.000Z	27 \| good	5.324 \| good	23.072 \| good	16.547 \| good	0.534 \| good	7.111 \| good	0.179 \| good
2025-10-25T08:00:00.000Z	33 \| good	5.751 \| good	25.052 \| good	14.276 \| good	0.598 \| good	6.55 \| good	0.175 \| good
2025-10-25T09:00:00.000Z	33 \| good	5.524 \| good	24.02 \| good	14.753 \| good	0.662 \| good	5.988 \| good	0.171 \| good
2025-10-25T10:00:00.000Z	49 \| good	8.583 \| good	37.691 \| good	15.902 \| good	0.692 \| good	6.13 \| good	0.171 \| good
2025-10-25T11:00:00.000Z	38 \| good	6.953 \| good	30.913 \| good	13.962 \| good	0.722 \| good	6.272 \| good	0.172 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	10.03 \| good	10.184 \| good	17.306 \| good	0.748 \| good	6.418 \| good	0.173 \| good

Washington

Get reliable air quality data to drive your business

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

0.23ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, 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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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

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

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

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

In the past 24 hours, the air quality in Washington, Illinois was at its worst at 10:00:00 on 2025-10-23.

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

In the last 24 hours, the best air quality in Washington, Illinois was observed at 04:00:00 on 2025-10-23.

What is the AQI in Washington, Illinois right now?

As of now, the AQI in Washington, Illinois is 22, indicating Good conditions.

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

Washington, Illinois air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Washington, Illinois are currently 4.027 μg/m³.

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

The PM₁₀ concentration in Washington, Illinois is 21.828 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Washington, Illinois is 0.259 ppm.

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

Currently, Washington, Illinois has a sulfur dioxide (SO₂) concentration of 0.381 ppb.

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

The current ozone (O₃) level in Washington, Illinois at the moment is 9.323 ppm.

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

Nitrogen dioxide (NO₂) level in Washington, Illinois at the moment is 4.99 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-21T13:00:00.000Z	22 \| good	4.039 \| good	16.59 \| good	18.73 \| good	0.38 \| good	8.155 \| good	0.276 \| good
2025-10-21T14:00:00.000Z	22 \| good	3.825 \| good	17.233 \| good	17.068 \| good	0.412 \| good	8.007 \| good	0.296 \| good
2025-10-21T15:00:00.000Z	19 \| good	3.363 \| good	13.717 \| good	20.096 \| good	0.788 \| good	5.483 \| good	0.161 \| good
2025-10-21T16:00:00.000Z	19 \| good	3.02 \| good	11.604 \| good	20.868 \| good	0.476 \| good	3.953 \| good	0.159 \| good
2025-10-21T17:00:00.000Z	21 \| good	3.093 \| good	13.62 \| good	22.958 \| good	0.232 \| good	2.89 \| good	0.159 \| good
2025-10-21T18:00:00.000Z	24 \| good	2.68 \| good	13.253 \| good	25.899 \| good	0.219 \| good	2.677 \| good	0.129 \| good
2025-10-21T19:00:00.000Z	24 \| good	2.526 \| good	12.59 \| good	25.567 \| good	0.307 \| good	2.984 \| good	0.186 \| good
2025-10-21T20:00:00.000Z	23 \| good	2.496 \| good	10.142 \| good	24.802 \| good	0.323 \| good	2.864 \| good	0.186 \| good
2025-10-21T21:00:00.000Z	24 \| good	2.836 \| good	22.417 \| good	25.918 \| good	0.12 \| good	2.742 \| good	0.143 \| good
2025-10-21T22:00:00.000Z	23 \| good	2.841 \| good	11.672 \| good	24.955 \| good	0.304 \| good	2.822 \| good	0.127 \| good
2025-10-21T23:00:00.000Z	25 \| good	2.9 \| good	12.59 \| good	26.665 \| good	0.288 \| good	2.744 \| good	0.127 \| good
2025-10-22T00:00:00.000Z	20 \| good	3.143 \| good	13.171 \| good	22.437 \| good	0.26 \| good	4.026 \| good	0.127 \| good
2025-10-22T01:00:00.000Z	24 \| good	3.096 \| good	14.326 \| good	25.731 \| good	0.289 \| good	4.364 \| good	0.13 \| good
2025-10-22T02:00:00.000Z	22 \| good	3.219 \| good	12.707 \| good	23.807 \| good	0.207 \| good	5.412 \| good	0.145 \| good
2025-10-22T03:00:00.000Z	23 \| good	0.357 \| good	1.417 \| good	25.363 \| good	0.151 \| good	1.748 \| good	0.125 \| good
2025-10-22T04:00:00.000Z	22 \| good	3.309 \| good	14.684 \| good	23.979 \| good	0.323 \| good	5.095 \| good	0.145 \| good
2025-10-22T05:00:00.000Z	22 \| good	3.065 \| good	13.803 \| good	24.35 \| good	0.388 \| good	4.512 \| good	0.145 \| good
2025-10-22T06:00:00.000Z	21 \| good	3.185 \| good	14.116 \| good	23.166 \| good	0.314 \| good	4.218 \| good	0.132 \| good
2025-10-22T07:00:00.000Z	23 \| good	3.048 \| good	11.442 \| good	24.518 \| good	0.333 \| good	4.244 \| good	0.132 \| good
2025-10-22T08:00:00.000Z	22 \| good	2.809 \| good	11.373 \| good	23.609 \| good	0.412 \| good	4.222 \| good	0.132 \| good
2025-10-22T09:00:00.000Z	22 \| good	2.311 \| good	9.54 \| good	24.17 \| good	0.299 \| good	1.789 \| good	0.112 \| good
2025-10-22T10:00:00.000Z	22 \| good	2.374 \| good	8.371 \| good	23.538 \| good	0.315 \| good	3.318 \| good	0.116 \| good
2025-10-22T11:00:00.000Z	20 \| good	2.46 \| good	10.892 \| good	22.072 \| good	0.338 \| good	3.804 \| good	0.145 \| good
2025-10-22T12:00:00.000Z	19 \| good	2.585 \| good	10.52 \| good	21.168 \| good	0.297 \| good	3.748 \| good	0.161 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.404 \| good	8.369 \| good	20.992 \| good	0.297 \| good	6.595 \| good	0.177 \| good
2025-10-22T14:00:00.000Z	19 \| good	2.429 \| good	8.919 \| good	20.017 \| good	0.351 \| good	6.818 \| good	0.209 \| good
2025-10-22T15:00:00.000Z	19 \| good	2.386 \| good	9.621 \| good	19.834 \| good	0.297 \| good	4.44 \| good	0.161 \| good
2025-10-22T16:00:00.000Z	19 \| good	2.5 \| good	10.315 \| good	19.773 \| good	0.36 \| good	3.737 \| good	0.145 \| good
2025-10-22T17:00:00.000Z	19 \| good	2.794 \| good	11.6 \| good	21.049 \| good	0.263 \| good	3.007 \| good	0.145 \| good
2025-10-22T18:00:00.000Z	19 \| good	2.895 \| good	7.594 \| good	20.72 \| good	0.276 \| good	2.881 \| good	0.145 \| good
2025-10-22T19:00:00.000Z	20 \| good	2.928 \| good	11.261 \| good	22.28 \| good	0.162 \| good	2.598 \| good	0.145 \| good
2025-10-22T20:00:00.000Z	23 \| good	2.816 \| good	10.584 \| good	25.119 \| good	0.151 \| good	3.604 \| good	0.159 \| good
2025-10-22T21:00:00.000Z	25 \| good	2.616 \| good	12.387 \| good	27.058 \| good	0.266 \| good	3.652 \| good	0.166 \| good
2025-10-22T22:00:00.000Z	27 \| good	2.863 \| good	13.715 \| good	29.486 \| good	0.311 \| good	2.181 \| good	0.143 \| good
2025-10-22T23:00:00.000Z	31 \| good	2.328 \| good	9.282 \| good	33.293 \| good	0.31 \| good	2.468 \| good	0.159 \| good
2025-10-23T00:00:00.000Z	30 \| good	2.45 \| good	11.657 \| good	32.134 \| good	0.226 \| good	3.785 \| good	0.239 \| good
2025-10-23T01:00:00.000Z	27 \| good	2.761 \| good	9.201 \| good	29.241 \| good	0.297 \| good	4.743 \| good	0.258 \| good
2025-10-23T02:00:00.000Z	23 \| good	2.641 \| good	10.822 \| good	25.316 \| good	0.384 \| good	4.843 \| good	0.29 \| good
2025-10-23T03:00:00.000Z	17 \| good	3.323 \| good	11.869 \| good	18.463 \| good	0.338 \| good	5.184 \| good	0.322 \| good
2025-10-23T04:00:00.000Z	17 \| good	3.305 \| good	11.91 \| good	18.166 \| good	0.541 \| good	6.366 \| good	0.306 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.794 \| good	16.155 \| good	16.194 \| good	0.603 \| good	6.43 \| good	0.414 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.926 \| good	15.751 \| good	13.348 \| good	0.387 \| good	6.977 \| good	0.42 \| good
2025-10-23T07:00:00.000Z	23 \| good	4.476 \| good	25.487 \| good	11.264 \| good	0.421 \| good	7.275 \| good	0.407 \| good
2025-10-23T08:00:00.000Z	22 \| good	4.413 \| good	19.989 \| good	10.868 \| good	0.464 \| good	6.492 \| good	0.421 \| good
2025-10-23T09:00:00.000Z	22 \| good	4.421 \| good	21.383 \| good	9.265 \| good	0.349 \| good	7.044 \| good	0.249 \| good
2025-10-23T10:00:00.000Z	31 \| good	4.438 \| good	33.388 \| good	10.761 \| good	0.421 \| good	4.73 \| good	0.169 \| good
2025-10-23T11:00:00.000Z	27 \| good	4.731 \| good	19.407 \| good	12.667 \| good	0.436 \| good	5.16 \| good	0.225 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.027 \| good	21.828 \| good	9.323 \| good	0.381 \| good	4.99 \| good	0.259 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.027 \| good	21.828 \| good	9.323 \| good	0.381 \| good	4.99 \| good	0.259 \| good
2025-10-23T13:00:00.000Z	22 \| good	4.465 \| good	19.7 \| good	9.097 \| good	0.288 \| good	4.297 \| good	0.15 \| good
2025-10-23T14:00:00.000Z	16 \| good	2.877 \| good	11.908 \| good	15.18 \| good	0.328 \| good	3.748 \| good	0.152 \| good
2025-10-23T15:00:00.000Z	19 \| good	0.558 \| good	2.071 \| good	21.176 \| good	0.368 \| good	3.2 \| good	0.154 \| good
2025-10-23T16:00:00.000Z	25 \| good	0.996 \| good	3.957 \| good	26.707 \| good	0.406 \| good	2.549 \| good	0.147 \| good
2025-10-23T17:00:00.000Z	28 \| good	2.737 \| good	11.031 \| good	29.943 \| good	0.444 \| good	1.899 \| good	0.14 \| good
2025-10-23T18:00:00.000Z	29 \| good	2.635 \| good	10.892 \| good	31.366 \| good	0.482 \| good	1.249 \| good	0.132 \| good
2025-10-23T19:00:00.000Z	31 \| good	2.527 \| good	10 \| good	32.504 \| good	0.47 \| good	1.211 \| good	0.132 \| good
2025-10-23T20:00:00.000Z	32 \| good	3.353 \| good	14.964 \| good	35.224 \| good	0.459 \| good	1.172 \| good	0.131 \| good
2025-10-23T21:00:00.000Z	31 \| good	2.991 \| good	12.179 \| good	33.069 \| good	0.447 \| good	1.134 \| good	0.131 \| good
2025-10-23T22:00:00.000Z	28 \| good	3.868 \| good	16.877 \| good	30.449 \| good	0.427 \| good	2.196 \| good	0.139 \| good
2025-10-23T23:00:00.000Z	24 \| good	4.443 \| good	19.552 \| good	26.111 \| good	0.406 \| good	3.258 \| good	0.146 \| good
2025-10-24T00:00:00.000Z	18 \| good	3.465 \| good	15.444 \| good	19.335 \| good	0.386 \| good	4.321 \| good	0.154 \| good
2025-10-24T01:00:00.000Z	20 \| good	3.008 \| good	11.977 \| good	22.432 \| good	0.393 \| good	5.477 \| good	0.162 \| good
2025-10-24T02:00:00.000Z	20 \| good	2.69 \| good	10.873 \| good	22.073 \| good	0.401 \| good	6.634 \| good	0.171 \| good
2025-10-24T03:00:00.000Z	20 \| good	2.912 \| good	11.976 \| good	21.671 \| good	0.408 \| good	7.791 \| good	0.179 \| good
2025-10-24T04:00:00.000Z	22 \| good	3.862 \| good	16.952 \| good	20.599 \| good	0.415 \| good	9.217 \| good	0.189 \| good
2025-10-24T05:00:00.000Z	22 \| good	3.728 \| good	16.05 \| good	17.077 \| good	0.422 \| good	10.643 \| good	0.199 \| good
2025-10-24T06:00:00.000Z	33 \| good	6.424 \| good	28.795 \| good	14.123 \| good	0.428 \| good	12.068 \| good	0.208 \| good
2025-10-24T07:00:00.000Z	44 \| good	8.245 \| good	36.217 \| good	13.156 \| good	0.42 \| good	12.351 \| good	0.209 \| good
2025-10-24T08:00:00.000Z	27 \| good	5.233 \| good	22.765 \| good	12.81 \| good	0.411 \| good	12.633 \| good	0.21 \| good
2025-10-24T09:00:00.000Z	22 \| good	4.184 \| good	18.11 \| good	15.898 \| good	0.402 \| good	12.916 \| good	0.211 \| good
2025-10-24T10:00:00.000Z	27 \| good	5.3 \| good	22.815 \| good	12.435 \| good	0.412 \| good	13.88 \| good	0.217 \| good
2025-10-24T11:00:00.000Z	27 \| good	5.111 \| good	21.893 \| good	11.486 \| good	0.423 \| good	14.845 \| good	0.223 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.096 \| good	17.893 \| good	9.744 \| good	0.433 \| good	15.809 \| good	0.229 \| good
2025-10-24T13:00:00.000Z	22 \| good	3.652 \| good	16.18 \| good	11.597 \| good	0.448 \| good	12.747 \| good	0.219 \| good
2025-10-24T14:00:00.000Z	22 \| good	3.523 \| good	15.745 \| good	14.325 \| good	0.463 \| good	9.685 \| good	0.208 \| good
2025-10-24T15:00:00.000Z	18 \| good	3.325 \| good	14.774 \| good	19.133 \| good	0.478 \| good	6.623 \| good	0.198 \| good
2025-10-24T16:00:00.000Z	24 \| good	3.43 \| good	15.105 \| good	25.813 \| good	0.609 \| good	4.974 \| good	0.175 \| good
2025-10-24T17:00:00.000Z	28 \| good	3.998 \| good	17.222 \| good	29.605 \| good	0.741 \| good	3.326 \| good	0.153 \| good
2025-10-24T18:00:00.000Z	30 \| good	4.298 \| good	19 \| good	31.915 \| good	0.872 \| good	1.677 \| good	0.131 \| good
2025-10-24T19:00:00.000Z	33 \| good	4.344 \| good	19.004 \| good	35.983 \| good	0.888 \| good	1.754 \| good	0.13 \| good
2025-10-24T20:00:00.000Z	36 \| good	6 \| good	26.279 \| good	38.953 \| good	0.904 \| good	1.83 \| good	0.13 \| good
2025-10-24T21:00:00.000Z	35 \| good	4.97 \| good	21.622 \| good	38.453 \| good	0.92 \| good	1.907 \| good	0.129 \| good
2025-10-24T22:00:00.000Z	34 \| good	6.345 \| good	28.079 \| good	36.668 \| good	0.918 \| good	6.127 \| good	0.164 \| good
2025-10-24T23:00:00.000Z	44 \| good	8.413 \| good	37.157 \| good	29.148 \| good	0.917 \| good	10.346 \| good	0.198 \| good
2025-10-25T00:00:00.000Z	38 \| good	7.063 \| good	31.178 \| good	24.807 \| good	0.915 \| good	14.565 \| good	0.232 \| good
2025-10-25T01:00:00.000Z	44 \| good	7.523 \| good	33.444 \| good	25.901 \| good	0.828 \| good	13.822 \| good	0.228 \| good
2025-10-25T02:00:00.000Z	38 \| good	6.642 \| good	29.539 \| good	25.517 \| good	0.741 \| good	13.079 \| good	0.225 \| good
2025-10-25T03:00:00.000Z	27 \| good	4.686 \| good	20.269 \| good	24.265 \| good	0.655 \| good	12.336 \| good	0.221 \| good
2025-10-25T04:00:00.000Z	27 \| good	4.77 \| good	20.919 \| good	25.401 \| good	0.593 \| good	10.782 \| good	0.208 \| good
2025-10-25T05:00:00.000Z	27 \| good	4.732 \| good	20.819 \| good	24.792 \| good	0.532 \| good	9.227 \| good	0.196 \| good
2025-10-25T06:00:00.000Z	52 \| moderate	9.723 \| good	9.909 \| good	20.53 \| good	0.471 \| good	7.707 \| good	0.184 \| good
2025-10-25T07:00:00.000Z	27 \| good	5.324 \| good	23.072 \| good	16.547 \| good	0.534 \| good	7.111 \| good	0.179 \| good
2025-10-25T08:00:00.000Z	33 \| good	5.751 \| good	25.052 \| good	14.276 \| good	0.598 \| good	6.55 \| good	0.175 \| good
2025-10-25T09:00:00.000Z	33 \| good	5.524 \| good	24.02 \| good	14.753 \| good	0.662 \| good	5.988 \| good	0.171 \| good
2025-10-25T10:00:00.000Z	49 \| good	8.583 \| good	37.691 \| good	15.902 \| good	0.692 \| good	6.13 \| good	0.171 \| good
2025-10-25T11:00:00.000Z	38 \| good	6.953 \| good	30.913 \| good	13.962 \| good	0.722 \| good	6.272 \| good	0.172 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	10.03 \| good	10.184 \| good	17.306 \| good	0.748 \| good	6.418 \| good	0.173 \| good

Live air quality index in Washington, Illinois today

Major air pollutants in Washington, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Washington, Illinois air quality forecast and history

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

Air quality in nearby cities

Morton, Illinois

East Peoria, Illinois

Peoria, Illinois

Pekin, Illinois

Normal, Illinois

Bloomington, Illinois

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Frequently asked questions

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

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

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

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

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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 Washington, Illinois at the moment?

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

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

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

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