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

Currently, Washington, Illinois has a sulfur dioxide (SO2) concentration of 1.11 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 22.748 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 9.863 ppb.

Real-time air quality index in Washington, Illinois today

Name: Live air pollution levels in Washington, Illinois today
Creator: Ambee

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)

Moderate

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)

10.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.76 μg/m³

155

255

425

605+

Ozone (O₃)

35.23 ppb

201

201+

Sulfur Dioxide (SO₂)

0.89 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 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
2025-07-09T19:00:00.000Z	38 \| good	7.075 \| good	37.028 \| good	38.727 \| good	0.473 \| good	1.956 \| good	0.129 \| good
2025-07-09T20:00:00.000Z	39 \| good	7.248 \| good	30.538 \| good	41.997 \| good	0.497 \| good	2.398 \| good	0.129 \| good
2025-07-09T21:00:00.000Z	50 \| good	7.528 \| good	53.872 \| good	44.563 \| good	0.416 \| good	2.043 \| good	0.143 \| good
2025-07-09T22:00:00.000Z	41 \| good	7.442 \| good	33.189 \| good	44.405 \| good	0.487 \| good	1.443 \| good	0.156 \| good
2025-07-09T23:00:00.000Z	40 \| good	7.376 \| good	31.653 \| good	43.008 \| good	0.443 \| good	1.407 \| good	0.127 \| good
2025-07-10T00:00:00.000Z	43 \| good	6.728 \| good	26.716 \| good	45.94 \| good	0.443 \| good	1.555 \| good	0.113 \| good
2025-07-10T01:00:00.000Z	37 \| good	6.056 \| good	25.755 \| good	39.98 \| good	0.458 \| good	1.357 \| good	0.113 \| good
2025-07-10T02:00:00.000Z	39 \| good	6.207 \| good	32.078 \| good	42.357 \| good	0.469 \| good	1.495 \| good	0.17 \| good
2025-07-10T03:00:00.000Z	38 \| good	7.108 \| good	28.063 \| good	34.648 \| good	0.589 \| good	4.192 \| good	0.186 \| good
2025-07-10T04:00:00.000Z	44 \| good	8.055 \| good	29.731 \| good	33.233 \| good	0.591 \| good	4.774 \| good	0.218 \| good
2025-07-10T05:00:00.000Z	38 \| good	7.277 \| good	28.835 \| good	34.677 \| good	0.599 \| good	6.175 \| good	0.235 \| good
2025-07-10T06:00:00.000Z	49 \| good	9.11 \| good	41.795 \| good	27.994 \| good	0.606 \| good	8.815 \| good	0.264 \| good
2025-07-10T07:00:00.000Z	54 \| moderate	11.277 \| good	42.747 \| good	30.425 \| good	0.604 \| good	9.346 \| good	0.288 \| good
2025-07-10T08:00:00.000Z	38 \| good	7.308 \| good	33.292 \| good	28.314 \| good	0.598 \| good	7.529 \| good	0.275 \| good
2025-07-10T09:00:00.000Z	49 \| good	8.613 \| good	41.817 \| good	30.3 \| good	0.454 \| good	6.305 \| good	0.243 \| good
2025-07-10T10:00:00.000Z	44 \| good	8.43 \| good	32.839 \| good	20.733 \| good	0.529 \| good	8.389 \| good	0.202 \| good
2025-07-10T11:00:00.000Z	49 \| good	8.567 \| good	39.588 \| good	16.174 \| good	0.513 \| good	10.942 \| good	0.245 \| good
2025-07-10T12:00:00.000Z	49 \| good	9.386 \| good	42.159 \| good	21.825 \| good	0.528 \| good	13.337 \| good	0.245 \| good
2025-07-10T13:00:00.000Z	49 \| good	9.142 \| good	38.719 \| good	18.906 \| good	0.609 \| good	9.434 \| good	0.218 \| good
2025-07-10T14:00:00.000Z	44 \| good	7.969 \| good	31.805 \| good	20.032 \| good	0.481 \| good	9.13 \| good	0.223 \| good
2025-07-10T15:00:00.000Z	38 \| good	6.735 \| good	38.404 \| good	22.828 \| good	0.85 \| good	7.298 \| good	0.186 \| good
2025-07-10T16:00:00.000Z	49 \| good	9.06 \| good	37.522 \| good	28.516 \| good	2.3 \| good	7.032 \| good	0.173 \| good
2025-07-10T17:00:00.000Z	52 \| moderate	9.621 \| good	47.414 \| good	30.797 \| good	1.696 \| good	6.5 \| good	0.173 \| good
2025-07-10T18:00:00.000Z	52 \| moderate	9.869 \| good	43.832 \| good	42.452 \| good	1.128 \| good	6.141 \| good	0.193 \| good
2025-07-10T19:00:00.000Z	49 \| good	8.817 \| good	46.637 \| good	43.212 \| good	0.735 \| good	5.153 \| good	0.236 \| good
2025-07-10T20:00:00.000Z	43 \| good	6.525 \| good	27.055 \| good	45.751 \| good	0.778 \| good	4.656 \| good	0.282 \| good
2025-07-10T21:00:00.000Z	46 \| good	7.145 \| good	34.977 \| good	50.303 \| good	0.852 \| good	3.725 \| good	0.307 \| good
2025-07-10T22:00:00.000Z	44 \| good	7.874 \| good	25.969 \| good	44.685 \| good	0.871 \| good	2.415 \| good	0.335 \| good
2025-07-10T23:00:00.000Z	44 \| good	6.027 \| good	25.382 \| good	48.434 \| good	0.977 \| good	1.93 \| good	0.335 \| good
2025-07-11T00:00:00.000Z	44 \| good	6.621 \| good	23.198 \| good	47.445 \| good	0.833 \| good	1.128 \| good	0.278 \| good
2025-07-11T01:00:00.000Z	43 \| good	6.217 \| good	34.856 \| good	45.682 \| good	0.751 \| good	3.049 \| good	0.251 \| good
2025-07-11T02:00:00.000Z	35 \| good	5.807 \| good	24.848 \| good	37.861 \| good	0.683 \| good	2.393 \| good	0.212 \| good
2025-07-11T03:00:00.000Z	33 \| good	6.349 \| good	25.139 \| good	33.689 \| good	0.685 \| good	5.601 \| good	0.17 \| good
2025-07-11T04:00:00.000Z	38 \| good	6.879 \| good	30.388 \| good	35.889 \| good	0.614 \| good	6.157 \| good	0.188 \| good
2025-07-11T05:00:00.000Z	39 \| good	7.237 \| good	29.976 \| good	41.531 \| good	0.525 \| good	5.885 \| good	0.173 \| good
2025-07-11T06:00:00.000Z	44 \| good	7.591 \| good	31.032 \| good	41.107 \| good	0.661 \| good	6.49 \| good	0.168 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.746 \| good	22.117 \| good	39.478 \| good	0.488 \| good	7.614 \| good	0.181 \| good
2025-07-11T08:00:00.000Z	36 \| good	5.247 \| good	17.76 \| good	39.252 \| good	0.524 \| good	7.909 \| good	0.168 \| good
2025-07-11T09:00:00.000Z	38 \| good	7.1 \| good	19.235 \| good	34.713 \| good	0.471 \| good	10.272 \| good	0.163 \| good
2025-07-11T10:00:00.000Z	38 \| good	6.78 \| good	32.906 \| good	33.074 \| good	0.501 \| good	9.318 \| good	0.163 \| good
2025-07-11T11:00:00.000Z	38 \| good	6.605 \| good	26.833 \| good	29.557 \| good	0.622 \| good	9.602 \| good	0.197 \| good
2025-07-11T12:00:00.000Z	38 \| good	7.492 \| good	29.54 \| good	24.206 \| good	0.621 \| good	11.325 \| good	0.197 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.894 \| good	24.705 \| good	22.226 \| good	0.499 \| good	8.161 \| good	0.212 \| good
2025-07-11T14:00:00.000Z	44 \| good	7.681 \| good	30.382 \| good	25.837 \| good	0.912 \| good	6.872 \| good	0.212 \| good
2025-07-11T15:00:00.000Z	49 \| good	8.968 \| good	39.235 \| good	22.673 \| good	0.985 \| good	6.917 \| good	0.242 \| good
2025-07-11T16:00:00.000Z	44 \| good	8.346 \| good	34.445 \| good	26.653 \| good	0.532 \| good	5.922 \| good	0.175 \| good
2025-07-11T17:00:00.000Z	52 \| moderate	9.725 \| good	35.701 \| good	31.088 \| good	0.643 \| good	4.407 \| good	0.175 \| good
2025-07-11T18:00:00.000Z	52 \| moderate	10.32 \| good	47.761 \| good	35.231 \| good	0.89 \| good	3.708 \| good	0.129 \| good
2025-07-11T18:00:00.000Z	52 \| moderate	10.32 \| good	47.761 \| good	35.231 \| good	0.89 \| good	3.708 \| good	0.129 \| good
2025-07-08T09:00:00.000Z	56 \| moderate	11.683 \| good	51.513 \| good	20.492 \| good	0.735 \| good	11.388 \| good	0.292 \| good
2025-07-08T10:00:00.000Z	58 \| moderate	12.801 \| fine	57.603 \| fine	19.931 \| good	0.731 \| good	10.183 \| good	0.288 \| good
2025-07-08T11:00:00.000Z	54 \| moderate	11.127 \| good	49.273 \| good	17.815 \| good	0.728 \| good	8.978 \| good	0.285 \| good
2025-07-08T12:00:00.000Z	56 \| moderate	11.85 \| good	52.705 \| good	23.009 \| good	0.725 \| good	7.773 \| good	0.282 \| good
2025-07-08T13:00:00.000Z	60 \| moderate	13.904 \| fine	63.117 \| fine	33.144 \| good	0.859 \| good	6.095 \| good	0.27 \| good
2025-07-08T14:00:00.000Z	58 \| moderate	13.301 \| fine	59.452 \| fine	40.613 \| good	0.992 \| good	4.417 \| good	0.258 \| good
2025-07-08T15:00:00.000Z	58 \| moderate	13.399 \| fine	60.975 \| fine	47.039 \| good	1.126 \| good	2.739 \| good	0.247 \| good
2025-07-08T16:00:00.000Z	58 \| moderate	12.53 \| fine	56.943 \| fine	48.176 \| good	1.023 \| good	2.103 \| good	0.229 \| good
2025-07-08T17:00:00.000Z	58 \| moderate	13.39 \| fine	60.817 \| fine	48.89 \| good	0.92 \| good	1.466 \| good	0.212 \| good
2025-07-08T18:00:00.000Z	62 \| moderate	15.48 \| fine	69.145 \| fine	47.952 \| good	0.817 \| good	0.83 \| good	0.194 \| good
2025-07-08T19:00:00.000Z	66 \| moderate	17.381 \| fine	77.004 \| fine	46.879 \| good	0.767 \| good	0.851 \| good	0.188 \| good
2025-07-08T20:00:00.000Z	62 \| moderate	15.377 \| fine	68.893 \| fine	46.05 \| good	0.718 \| good	0.873 \| good	0.182 \| good
2025-07-08T21:00:00.000Z	60 \| moderate	14.305 \| fine	64.571 \| fine	44.011 \| good	0.668 \| good	0.894 \| good	0.176 \| good
2025-07-08T22:00:00.000Z	54 \| moderate	10.806 \| good	47.788 \| good	42.139 \| good	0.661 \| good	1.391 \| good	0.176 \| good
2025-07-08T23:00:00.000Z	44 \| good	7.953 \| good	34.951 \| good	39.589 \| good	0.654 \| good	1.887 \| good	0.176 \| good
2025-07-09T00:00:00.000Z	49 \| good	9.325 \| good	41.857 \| good	50.776 \| good	0.647 \| good	2.384 \| good	0.176 \| good
2025-07-09T01:00:00.000Z	40 \| good	7.238 \| good	32.222 \| good	43.171 \| good	0.653 \| good	4.933 \| good	0.194 \| good
2025-07-09T02:00:00.000Z	38 \| good	7.165 \| good	31.645 \| good	39.313 \| good	0.658 \| good	7.482 \| good	0.213 \| good
2025-07-09T03:00:00.000Z	49 \| good	8.533 \| good	37.722 \| good	38.379 \| good	0.664 \| good	10.031 \| good	0.232 \| good
2025-07-09T04:00:00.000Z	44 \| good	8.101 \| good	35.58 \| good	39.933 \| good	0.617 \| good	9.897 \| good	0.233 \| good
2025-07-09T05:00:00.000Z	38 \| good	7.331 \| good	32.288 \| good	37.295 \| good	0.57 \| good	9.763 \| good	0.233 \| good
2025-07-09T06:00:00.000Z	44 \| good	8.267 \| good	36.238 \| good	31.271 \| good	0.523 \| good	9.629 \| good	0.234 \| good
2025-07-09T07:00:00.000Z	49 \| good	8.753 \| good	38.44 \| good	27.218 \| good	0.506 \| good	9.475 \| good	0.232 \| good
2025-07-09T08:00:00.000Z	44 \| good	8.374 \| good	37.15 \| good	21.445 \| good	0.49 \| good	9.321 \| good	0.23 \| good
2025-07-09T09:00:00.000Z	44 \| good	8.211 \| good	36.325 \| good	22.372 \| good	0.474 \| good	9.167 \| good	0.228 \| good
2025-07-09T10:00:00.000Z	44 \| good	7.638 \| good	33.442 \| good	19.661 \| good	0.417 \| good	8.13 \| good	0.221 \| good
2025-07-09T11:00:00.000Z	49 \| good	8.6 \| good	37.55 \| good	18.236 \| good	0.36 \| good	7.094 \| good	0.214 \| good
2025-07-09T12:00:00.000Z	54 \| moderate	10.744 \| good	47.429 \| good	24.527 \| good	0.304 \| good	6.057 \| good	0.207 \| good
2025-07-09T13:00:00.000Z	54 \| moderate	10.593 \| good	46.949 \| good	33.657 \| good	0.438 \| good	4.601 \| good	0.194 \| good
2025-07-09T14:00:00.000Z	44 \| good	8.258 \| good	35.948 \| good	41.592 \| good	0.573 \| good	3.145 \| good	0.181 \| good
2025-07-09T15:00:00.000Z	44 \| good	7.284 \| good	32.084 \| good	47.195 \| good	0.707 \| good	1.689 \| good	0.168 \| good
2025-07-09T16:00:00.000Z	44 \| good	7.201 \| good	31.985 \| good	46.578 \| good	0.68 \| good	1.397 \| good	0.161 \| good
2025-07-09T17:00:00.000Z	44 \| good	8.116 \| good	35.313 \| good	48.051 \| good	0.653 \| good	1.104 \| good	0.154 \| good
2025-07-09T18:00:00.000Z	49 \| good	8.705 \| good	38.121 \| good	51.262 \| good	0.627 \| good	0.812 \| good	0.147 \| good
2025-07-09T19:00:00.000Z	49 \| good	8.702 \| good	38.059 \| good	49.549 \| good	0.586 \| good	0.799 \| good	0.144 \| good
2025-07-09T20:00:00.000Z	44 \| good	7.822 \| good	34.053 \| good	47.419 \| good	0.545 \| good	0.786 \| good	0.14 \| good
2025-07-09T21:00:00.000Z	44 \| good	7.044 \| good	31.055 \| good	46.813 \| good	0.505 \| good	0.774 \| good	0.137 \| good
2025-07-09T22:00:00.000Z	41 \| good	6.015 \| good	26.906 \| good	43.687 \| good	0.492 \| good	1.017 \| good	0.137 \| good
2025-07-09T23:00:00.000Z	33 \| good	3.789 \| good	16.292 \| good	35.991 \| good	0.48 \| good	1.261 \| good	0.138 \| good
2025-07-10T00:00:00.000Z	44 \| good	7.975 \| good	35.031 \| good	44.113 \| good	0.468 \| good	1.504 \| good	0.138 \| good
2025-07-10T01:00:00.000Z	36 \| good	6.084 \| good	27.026 \| good	39.343 \| good	0.438 \| good	3.387 \| good	0.152 \| good
2025-07-10T02:00:00.000Z	49 \| good	9.281 \| good	41.26 \| good	36.645 \| good	0.408 \| good	5.27 \| good	0.166 \| good
2025-07-10T03:00:00.000Z	54 \| moderate	10.536 \| good	46.928 \| good	31.918 \| good	0.378 \| good	7.153 \| good	0.18 \| good
2025-07-10T04:00:00.000Z	54 \| moderate	11.077 \| good	48.959 \| good	31.679 \| good	0.469 \| good	7.536 \| good	0.185 \| good
2025-07-10T05:00:00.000Z	54 \| moderate	11.163 \| good	49.19 \| good	29.096 \| good	0.559 \| good	7.92 \| good	0.19 \| good
2025-07-10T06:00:00.000Z	31 \| good	4.42 \| good	4.613 \| good	33.126 \| good	0.63 \| good	8.343 \| good	0.195 \| good
2025-07-10T07:00:00.000Z	64 \| moderate	16.29 \| fine	72.608 \| fine	25.501 \| good	0.922 \| good	8.185 \| good	0.202 \| good
2025-07-10T08:00:00.000Z	64 \| moderate	15.971 \| fine	71.121 \| fine	24.176 \| good	1.193 \| good	8.067 \| good	0.208 \| good

Washington

Get reliable air quality data to drive your business

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

0.20ppm

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 02:00:00 on 2025-07-08.

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 08:00:00 on 2025-07-07.

What is the AQI in Washington, Illinois right now?

As of now, the AQI in Washington, Illinois is 79, indicating Moderate 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 24.209 μg/m³.

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

The PM₁₀ concentration in Washington, Illinois is 100.259 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 0.2 ppm.

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

Currently, Washington, Illinois has a sulfur dioxide (SO₂) concentration of 1.11 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 22.748 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 9.863 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	38 \| good	7.075 \| good	37.028 \| good	38.727 \| good	0.473 \| good	1.956 \| good	0.129 \| good
2025-07-09T20:00:00.000Z	39 \| good	7.248 \| good	30.538 \| good	41.997 \| good	0.497 \| good	2.398 \| good	0.129 \| good
2025-07-09T21:00:00.000Z	50 \| good	7.528 \| good	53.872 \| good	44.563 \| good	0.416 \| good	2.043 \| good	0.143 \| good
2025-07-09T22:00:00.000Z	41 \| good	7.442 \| good	33.189 \| good	44.405 \| good	0.487 \| good	1.443 \| good	0.156 \| good
2025-07-09T23:00:00.000Z	40 \| good	7.376 \| good	31.653 \| good	43.008 \| good	0.443 \| good	1.407 \| good	0.127 \| good
2025-07-10T00:00:00.000Z	43 \| good	6.728 \| good	26.716 \| good	45.94 \| good	0.443 \| good	1.555 \| good	0.113 \| good
2025-07-10T01:00:00.000Z	37 \| good	6.056 \| good	25.755 \| good	39.98 \| good	0.458 \| good	1.357 \| good	0.113 \| good
2025-07-10T02:00:00.000Z	39 \| good	6.207 \| good	32.078 \| good	42.357 \| good	0.469 \| good	1.495 \| good	0.17 \| good
2025-07-10T03:00:00.000Z	38 \| good	7.108 \| good	28.063 \| good	34.648 \| good	0.589 \| good	4.192 \| good	0.186 \| good
2025-07-10T04:00:00.000Z	44 \| good	8.055 \| good	29.731 \| good	33.233 \| good	0.591 \| good	4.774 \| good	0.218 \| good
2025-07-10T05:00:00.000Z	38 \| good	7.277 \| good	28.835 \| good	34.677 \| good	0.599 \| good	6.175 \| good	0.235 \| good
2025-07-10T06:00:00.000Z	49 \| good	9.11 \| good	41.795 \| good	27.994 \| good	0.606 \| good	8.815 \| good	0.264 \| good
2025-07-10T07:00:00.000Z	54 \| moderate	11.277 \| good	42.747 \| good	30.425 \| good	0.604 \| good	9.346 \| good	0.288 \| good
2025-07-10T08:00:00.000Z	38 \| good	7.308 \| good	33.292 \| good	28.314 \| good	0.598 \| good	7.529 \| good	0.275 \| good
2025-07-10T09:00:00.000Z	49 \| good	8.613 \| good	41.817 \| good	30.3 \| good	0.454 \| good	6.305 \| good	0.243 \| good
2025-07-10T10:00:00.000Z	44 \| good	8.43 \| good	32.839 \| good	20.733 \| good	0.529 \| good	8.389 \| good	0.202 \| good
2025-07-10T11:00:00.000Z	49 \| good	8.567 \| good	39.588 \| good	16.174 \| good	0.513 \| good	10.942 \| good	0.245 \| good
2025-07-10T12:00:00.000Z	49 \| good	9.386 \| good	42.159 \| good	21.825 \| good	0.528 \| good	13.337 \| good	0.245 \| good
2025-07-10T13:00:00.000Z	49 \| good	9.142 \| good	38.719 \| good	18.906 \| good	0.609 \| good	9.434 \| good	0.218 \| good
2025-07-10T14:00:00.000Z	44 \| good	7.969 \| good	31.805 \| good	20.032 \| good	0.481 \| good	9.13 \| good	0.223 \| good
2025-07-10T15:00:00.000Z	38 \| good	6.735 \| good	38.404 \| good	22.828 \| good	0.85 \| good	7.298 \| good	0.186 \| good
2025-07-10T16:00:00.000Z	49 \| good	9.06 \| good	37.522 \| good	28.516 \| good	2.3 \| good	7.032 \| good	0.173 \| good
2025-07-10T17:00:00.000Z	52 \| moderate	9.621 \| good	47.414 \| good	30.797 \| good	1.696 \| good	6.5 \| good	0.173 \| good
2025-07-10T18:00:00.000Z	52 \| moderate	9.869 \| good	43.832 \| good	42.452 \| good	1.128 \| good	6.141 \| good	0.193 \| good
2025-07-10T19:00:00.000Z	49 \| good	8.817 \| good	46.637 \| good	43.212 \| good	0.735 \| good	5.153 \| good	0.236 \| good
2025-07-10T20:00:00.000Z	43 \| good	6.525 \| good	27.055 \| good	45.751 \| good	0.778 \| good	4.656 \| good	0.282 \| good
2025-07-10T21:00:00.000Z	46 \| good	7.145 \| good	34.977 \| good	50.303 \| good	0.852 \| good	3.725 \| good	0.307 \| good
2025-07-10T22:00:00.000Z	44 \| good	7.874 \| good	25.969 \| good	44.685 \| good	0.871 \| good	2.415 \| good	0.335 \| good
2025-07-10T23:00:00.000Z	44 \| good	6.027 \| good	25.382 \| good	48.434 \| good	0.977 \| good	1.93 \| good	0.335 \| good
2025-07-11T00:00:00.000Z	44 \| good	6.621 \| good	23.198 \| good	47.445 \| good	0.833 \| good	1.128 \| good	0.278 \| good
2025-07-11T01:00:00.000Z	43 \| good	6.217 \| good	34.856 \| good	45.682 \| good	0.751 \| good	3.049 \| good	0.251 \| good
2025-07-11T02:00:00.000Z	35 \| good	5.807 \| good	24.848 \| good	37.861 \| good	0.683 \| good	2.393 \| good	0.212 \| good
2025-07-11T03:00:00.000Z	33 \| good	6.349 \| good	25.139 \| good	33.689 \| good	0.685 \| good	5.601 \| good	0.17 \| good
2025-07-11T04:00:00.000Z	38 \| good	6.879 \| good	30.388 \| good	35.889 \| good	0.614 \| good	6.157 \| good	0.188 \| good
2025-07-11T05:00:00.000Z	39 \| good	7.237 \| good	29.976 \| good	41.531 \| good	0.525 \| good	5.885 \| good	0.173 \| good
2025-07-11T06:00:00.000Z	44 \| good	7.591 \| good	31.032 \| good	41.107 \| good	0.661 \| good	6.49 \| good	0.168 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.746 \| good	22.117 \| good	39.478 \| good	0.488 \| good	7.614 \| good	0.181 \| good
2025-07-11T08:00:00.000Z	36 \| good	5.247 \| good	17.76 \| good	39.252 \| good	0.524 \| good	7.909 \| good	0.168 \| good
2025-07-11T09:00:00.000Z	38 \| good	7.1 \| good	19.235 \| good	34.713 \| good	0.471 \| good	10.272 \| good	0.163 \| good
2025-07-11T10:00:00.000Z	38 \| good	6.78 \| good	32.906 \| good	33.074 \| good	0.501 \| good	9.318 \| good	0.163 \| good
2025-07-11T11:00:00.000Z	38 \| good	6.605 \| good	26.833 \| good	29.557 \| good	0.622 \| good	9.602 \| good	0.197 \| good
2025-07-11T12:00:00.000Z	38 \| good	7.492 \| good	29.54 \| good	24.206 \| good	0.621 \| good	11.325 \| good	0.197 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.894 \| good	24.705 \| good	22.226 \| good	0.499 \| good	8.161 \| good	0.212 \| good
2025-07-11T14:00:00.000Z	44 \| good	7.681 \| good	30.382 \| good	25.837 \| good	0.912 \| good	6.872 \| good	0.212 \| good
2025-07-11T15:00:00.000Z	49 \| good	8.968 \| good	39.235 \| good	22.673 \| good	0.985 \| good	6.917 \| good	0.242 \| good
2025-07-11T16:00:00.000Z	44 \| good	8.346 \| good	34.445 \| good	26.653 \| good	0.532 \| good	5.922 \| good	0.175 \| good
2025-07-11T17:00:00.000Z	52 \| moderate	9.725 \| good	35.701 \| good	31.088 \| good	0.643 \| good	4.407 \| good	0.175 \| good
2025-07-11T18:00:00.000Z	52 \| moderate	10.32 \| good	47.761 \| good	35.231 \| good	0.89 \| good	3.708 \| good	0.129 \| good
2025-07-11T18:00:00.000Z	52 \| moderate	10.32 \| good	47.761 \| good	35.231 \| good	0.89 \| good	3.708 \| good	0.129 \| good
2025-07-08T09:00:00.000Z	56 \| moderate	11.683 \| good	51.513 \| good	20.492 \| good	0.735 \| good	11.388 \| good	0.292 \| good
2025-07-08T10:00:00.000Z	58 \| moderate	12.801 \| fine	57.603 \| fine	19.931 \| good	0.731 \| good	10.183 \| good	0.288 \| good
2025-07-08T11:00:00.000Z	54 \| moderate	11.127 \| good	49.273 \| good	17.815 \| good	0.728 \| good	8.978 \| good	0.285 \| good
2025-07-08T12:00:00.000Z	56 \| moderate	11.85 \| good	52.705 \| good	23.009 \| good	0.725 \| good	7.773 \| good	0.282 \| good
2025-07-08T13:00:00.000Z	60 \| moderate	13.904 \| fine	63.117 \| fine	33.144 \| good	0.859 \| good	6.095 \| good	0.27 \| good
2025-07-08T14:00:00.000Z	58 \| moderate	13.301 \| fine	59.452 \| fine	40.613 \| good	0.992 \| good	4.417 \| good	0.258 \| good
2025-07-08T15:00:00.000Z	58 \| moderate	13.399 \| fine	60.975 \| fine	47.039 \| good	1.126 \| good	2.739 \| good	0.247 \| good
2025-07-08T16:00:00.000Z	58 \| moderate	12.53 \| fine	56.943 \| fine	48.176 \| good	1.023 \| good	2.103 \| good	0.229 \| good
2025-07-08T17:00:00.000Z	58 \| moderate	13.39 \| fine	60.817 \| fine	48.89 \| good	0.92 \| good	1.466 \| good	0.212 \| good
2025-07-08T18:00:00.000Z	62 \| moderate	15.48 \| fine	69.145 \| fine	47.952 \| good	0.817 \| good	0.83 \| good	0.194 \| good
2025-07-08T19:00:00.000Z	66 \| moderate	17.381 \| fine	77.004 \| fine	46.879 \| good	0.767 \| good	0.851 \| good	0.188 \| good
2025-07-08T20:00:00.000Z	62 \| moderate	15.377 \| fine	68.893 \| fine	46.05 \| good	0.718 \| good	0.873 \| good	0.182 \| good
2025-07-08T21:00:00.000Z	60 \| moderate	14.305 \| fine	64.571 \| fine	44.011 \| good	0.668 \| good	0.894 \| good	0.176 \| good
2025-07-08T22:00:00.000Z	54 \| moderate	10.806 \| good	47.788 \| good	42.139 \| good	0.661 \| good	1.391 \| good	0.176 \| good
2025-07-08T23:00:00.000Z	44 \| good	7.953 \| good	34.951 \| good	39.589 \| good	0.654 \| good	1.887 \| good	0.176 \| good
2025-07-09T00:00:00.000Z	49 \| good	9.325 \| good	41.857 \| good	50.776 \| good	0.647 \| good	2.384 \| good	0.176 \| good
2025-07-09T01:00:00.000Z	40 \| good	7.238 \| good	32.222 \| good	43.171 \| good	0.653 \| good	4.933 \| good	0.194 \| good
2025-07-09T02:00:00.000Z	38 \| good	7.165 \| good	31.645 \| good	39.313 \| good	0.658 \| good	7.482 \| good	0.213 \| good
2025-07-09T03:00:00.000Z	49 \| good	8.533 \| good	37.722 \| good	38.379 \| good	0.664 \| good	10.031 \| good	0.232 \| good
2025-07-09T04:00:00.000Z	44 \| good	8.101 \| good	35.58 \| good	39.933 \| good	0.617 \| good	9.897 \| good	0.233 \| good
2025-07-09T05:00:00.000Z	38 \| good	7.331 \| good	32.288 \| good	37.295 \| good	0.57 \| good	9.763 \| good	0.233 \| good
2025-07-09T06:00:00.000Z	44 \| good	8.267 \| good	36.238 \| good	31.271 \| good	0.523 \| good	9.629 \| good	0.234 \| good
2025-07-09T07:00:00.000Z	49 \| good	8.753 \| good	38.44 \| good	27.218 \| good	0.506 \| good	9.475 \| good	0.232 \| good
2025-07-09T08:00:00.000Z	44 \| good	8.374 \| good	37.15 \| good	21.445 \| good	0.49 \| good	9.321 \| good	0.23 \| good
2025-07-09T09:00:00.000Z	44 \| good	8.211 \| good	36.325 \| good	22.372 \| good	0.474 \| good	9.167 \| good	0.228 \| good
2025-07-09T10:00:00.000Z	44 \| good	7.638 \| good	33.442 \| good	19.661 \| good	0.417 \| good	8.13 \| good	0.221 \| good
2025-07-09T11:00:00.000Z	49 \| good	8.6 \| good	37.55 \| good	18.236 \| good	0.36 \| good	7.094 \| good	0.214 \| good
2025-07-09T12:00:00.000Z	54 \| moderate	10.744 \| good	47.429 \| good	24.527 \| good	0.304 \| good	6.057 \| good	0.207 \| good
2025-07-09T13:00:00.000Z	54 \| moderate	10.593 \| good	46.949 \| good	33.657 \| good	0.438 \| good	4.601 \| good	0.194 \| good
2025-07-09T14:00:00.000Z	44 \| good	8.258 \| good	35.948 \| good	41.592 \| good	0.573 \| good	3.145 \| good	0.181 \| good
2025-07-09T15:00:00.000Z	44 \| good	7.284 \| good	32.084 \| good	47.195 \| good	0.707 \| good	1.689 \| good	0.168 \| good
2025-07-09T16:00:00.000Z	44 \| good	7.201 \| good	31.985 \| good	46.578 \| good	0.68 \| good	1.397 \| good	0.161 \| good
2025-07-09T17:00:00.000Z	44 \| good	8.116 \| good	35.313 \| good	48.051 \| good	0.653 \| good	1.104 \| good	0.154 \| good
2025-07-09T18:00:00.000Z	49 \| good	8.705 \| good	38.121 \| good	51.262 \| good	0.627 \| good	0.812 \| good	0.147 \| good
2025-07-09T19:00:00.000Z	49 \| good	8.702 \| good	38.059 \| good	49.549 \| good	0.586 \| good	0.799 \| good	0.144 \| good
2025-07-09T20:00:00.000Z	44 \| good	7.822 \| good	34.053 \| good	47.419 \| good	0.545 \| good	0.786 \| good	0.14 \| good
2025-07-09T21:00:00.000Z	44 \| good	7.044 \| good	31.055 \| good	46.813 \| good	0.505 \| good	0.774 \| good	0.137 \| good
2025-07-09T22:00:00.000Z	41 \| good	6.015 \| good	26.906 \| good	43.687 \| good	0.492 \| good	1.017 \| good	0.137 \| good
2025-07-09T23:00:00.000Z	33 \| good	3.789 \| good	16.292 \| good	35.991 \| good	0.48 \| good	1.261 \| good	0.138 \| good
2025-07-10T00:00:00.000Z	44 \| good	7.975 \| good	35.031 \| good	44.113 \| good	0.468 \| good	1.504 \| good	0.138 \| good
2025-07-10T01:00:00.000Z	36 \| good	6.084 \| good	27.026 \| good	39.343 \| good	0.438 \| good	3.387 \| good	0.152 \| good
2025-07-10T02:00:00.000Z	49 \| good	9.281 \| good	41.26 \| good	36.645 \| good	0.408 \| good	5.27 \| good	0.166 \| good
2025-07-10T03:00:00.000Z	54 \| moderate	10.536 \| good	46.928 \| good	31.918 \| good	0.378 \| good	7.153 \| good	0.18 \| good
2025-07-10T04:00:00.000Z	54 \| moderate	11.077 \| good	48.959 \| good	31.679 \| good	0.469 \| good	7.536 \| good	0.185 \| good
2025-07-10T05:00:00.000Z	54 \| moderate	11.163 \| good	49.19 \| good	29.096 \| good	0.559 \| good	7.92 \| good	0.19 \| good
2025-07-10T06:00:00.000Z	31 \| good	4.42 \| good	4.613 \| good	33.126 \| good	0.63 \| good	8.343 \| good	0.195 \| good
2025-07-10T07:00:00.000Z	64 \| moderate	16.29 \| fine	72.608 \| fine	25.501 \| good	0.922 \| good	8.185 \| good	0.202 \| good
2025-07-10T08:00:00.000Z	64 \| moderate	15.971 \| fine	71.121 \| fine	24.176 \| good	1.193 \| good	8.067 \| good	0.208 \| good

Real-time 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

Get reliable air quality data to drive your business

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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Air quality levels in US

Frequently asked questions

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What is the AQI in Washington, Illinois right now?

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

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?

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in 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?