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

The PM10 concentration in Washington, Illinois is 61.808 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 0.583 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 50.752 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 6.563 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)

19.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

61.81 μg/m³

155

255

425

605+

Ozone (O₃)

50.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.58 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2025-05-31T23:00:00.000Z	51 \| moderate	8.825 \| good	45.139 \| good	55.3 \| fine	0.379 \| good	1.491 \| good	0.157 \| good
2025-06-01T00:00:00.000Z	52 \| moderate	9.595 \| good	43.136 \| good	54.16 \| good	0.595 \| good	3.197 \| good	0.17 \| good
2025-06-01T01:00:00.000Z	58 \| moderate	13.006 \| fine	50.604 \| good	54.716 \| good	1.108 \| good	2.432 \| good	0.199 \| good
2025-06-01T02:00:00.000Z	52 \| moderate	10.44 \| good	43.624 \| good	52.043 \| good	1.222 \| good	2.63 \| good	0.213 \| good
2025-06-01T03:00:00.000Z	40 \| good	6.298 \| good	27.977 \| good	42.541 \| good	1.076 \| good	3.608 \| good	0.151 \| good
2025-06-01T04:00:00.000Z	43 \| good	6.534 \| good	24.717 \| good	45.884 \| good	0.449 \| good	5.635 \| good	0.199 \| good
2025-06-01T05:00:00.000Z	38 \| good	6.975 \| good	26.391 \| good	39.088 \| good	0.644 \| good	5.999 \| good	0.186 \| good
2025-06-01T06:00:00.000Z	38 \| good	7.34 \| good	27.907 \| good	38.281 \| good	0.592 \| good	6.361 \| good	0.186 \| good
2025-06-01T07:00:00.000Z	49 \| good	9.149 \| good	53.286 \| good	39.114 \| good	0.611 \| good	6.247 \| good	0.199 \| good
2025-06-01T08:00:00.000Z	54 \| moderate	11.392 \| good	56.256 \| fine	39.414 \| good	1.354 \| good	6.296 \| good	0.199 \| good
2025-06-01T09:00:00.000Z	49 \| good	8.334 \| good	53.088 \| good	39.977 \| good	1.487 \| good	6.697 \| good	0.183 \| good
2025-06-01T10:00:00.000Z	44 \| good	8.364 \| good	47.052 \| good	40.364 \| good	1.063 \| good	7.979 \| good	0.175 \| good
2025-06-01T11:00:00.000Z	52 \| moderate	9.89 \| good	45.965 \| good	38.735 \| good	0.783 \| good	8.97 \| good	0.175 \| good
2025-06-01T12:00:00.000Z	62 \| moderate	15.023 \| fine	70.541 \| fine	37.381 \| good	1.296 \| good	7.082 \| good	0.159 \| good
2025-06-01T13:00:00.000Z	58 \| moderate	13.289 \| fine	49.439 \| good	36.437 \| good	0.898 \| good	7.493 \| good	0.145 \| good
2025-06-01T14:00:00.000Z	56 \| moderate	12.142 \| fine	35.157 \| good	39.249 \| good	1.007 \| good	5.706 \| good	0.145 \| good
2025-06-01T15:00:00.000Z	52 \| moderate	9.792 \| good	41.842 \| good	38.76 \| good	1.395 \| good	5.786 \| good	0.17 \| good
2025-06-01T16:00:00.000Z	38 \| good	7.484 \| good	26.378 \| good	40.286 \| good	0.704 \| good	5.598 \| good	0.173 \| good
2025-06-01T17:00:00.000Z	40 \| good	6.254 \| good	29.371 \| good	43.115 \| good	1.105 \| good	5.268 \| good	0.173 \| good
2025-06-01T18:00:00.000Z	38 \| good	6.856 \| good	31.662 \| good	37.473 \| good	1.105 \| good	4.778 \| good	0.157 \| good
2025-06-01T19:00:00.000Z	40 \| good	7.327 \| good	20.395 \| good	43.147 \| good	0.674 \| good	4.827 \| good	0.157 \| good
2025-06-01T20:00:00.000Z	45 \| good	7.344 \| good	35.545 \| good	48.98 \| good	0.705 \| good	4.127 \| good	0.173 \| good
2025-06-01T21:00:00.000Z	44 \| good	7.544 \| good	22.763 \| good	47.456 \| good	0.79 \| good	2.643 \| good	0.157 \| good
2025-06-01T22:00:00.000Z	48 \| good	6.938 \| good	19.046 \| good	51.662 \| good	0.605 \| good	1.386 \| good	0.157 \| good
2025-06-01T23:00:00.000Z	46 \| good	6.83 \| good	20.591 \| good	50.388 \| good	0.57 \| good	1.526 \| good	0.157 \| good
2025-06-02T00:00:00.000Z	48 \| good	6.841 \| good	27.799 \| good	51.639 \| good	0.658 \| good	1.887 \| good	0.157 \| good
2025-06-02T01:00:00.000Z	50 \| good	7.828 \| good	18.506 \| good	54.27 \| good	0.443 \| good	3.178 \| good	0.157 \| good
2025-06-02T02:00:00.000Z	44 \| good	8.195 \| good	28.129 \| good	47.081 \| good	0.505 \| good	8.27 \| good	0.223 \| good
2025-06-02T03:00:00.000Z	52 \| moderate	10.227 \| good	34.797 \| good	41.984 \| good	0.462 \| good	9.287 \| good	0.182 \| good
2025-06-02T04:00:00.000Z	52 \| moderate	10.294 \| good	24.483 \| good	38.873 \| good	0.619 \| good	11.82 \| good	0.348 \| good
2025-06-02T05:00:00.000Z	54 \| moderate	11 \| good	42.255 \| good	32.08 \| good	0.527 \| good	12.415 \| good	0.277 \| good
2025-06-02T06:00:00.000Z	54 \| moderate	11.156 \| good	54.845 \| good	28.408 \| good	1.602 \| good	17.407 \| good	0.22 \| good
2025-06-02T07:00:00.000Z	49 \| good	8.925 \| good	34.797 \| good	25.85 \| good	0.498 \| good	14.459 \| good	0.182 \| good
2025-06-02T08:00:00.000Z	49 \| good	8.577 \| good	29.391 \| good	24.85 \| good	0.606 \| good	11.464 \| good	0.206 \| good
2025-06-02T09:00:00.000Z	44 \| good	7.679 \| good	38.503 \| good	29.318 \| good	0.78 \| good	13.262 \| good	0.206 \| good
2025-06-02T10:00:00.000Z	49 \| good	8.853 \| good	34.578 \| good	28.027 \| good	0.825 \| good	11.825 \| good	0.182 \| good
2025-06-02T11:00:00.000Z	49 \| good	9.105 \| good	32.914 \| good	26.589 \| good	0.775 \| good	13.243 \| good	0.216 \| good
2025-06-02T12:00:00.000Z	49 \| good	8.67 \| good	40.3 \| good	24.743 \| good	0.971 \| good	19.94 \| good	0.245 \| good
2025-06-02T13:00:00.000Z	52 \| moderate	9.979 \| good	29.915 \| good	24.82 \| good	0.825 \| good	17.276 \| good	0.229 \| good
2025-06-02T14:00:00.000Z	49 \| good	8.595 \| good	38.745 \| good	26.59 \| good	0.946 \| good	12.557 \| good	0.256 \| good
2025-06-02T15:00:00.000Z	49 \| good	8.72 \| good	35.57 \| good	25.488 \| good	1.08 \| good	9.8 \| good	0.215 \| good
2025-06-02T16:00:00.000Z	44 \| good	8.374 \| good	32.999 \| good	33.891 \| good	1.132 \| good	9.51 \| good	0.199 \| good
2025-06-02T17:00:00.000Z	38 \| good	7.193 \| good	39.626 \| good	37.912 \| good	1.071 \| good	7.879 \| good	0.202 \| good
2025-06-02T18:00:00.000Z	44 \| good	8.304 \| good	46.227 \| good	47.38 \| good	1.262 \| good	5.887 \| good	0.202 \| good
2025-06-02T19:00:00.000Z	45 \| good	8.379 \| good	33.075 \| good	48.732 \| good	1.052 \| good	5.599 \| good	0.202 \| good
2025-06-02T20:00:00.000Z	50 \| good	8.458 \| good	47.289 \| good	53.603 \| good	1.116 \| good	5.649 \| good	0.215 \| good
2025-06-02T21:00:00.000Z	58 \| moderate	9.961 \| good	32.652 \| good	57.475 \| fine	1.148 \| good	5.648 \| good	0.215 \| good
2025-06-02T22:00:00.000Z	67 \| moderate	12.55 \| fine	57.78 \| fine	60.422 \| fine	0.811 \| good	4.879 \| good	0.199 \| good
2025-05-31T05:00:00.000Z	71 \| moderate	19.921 \| fine	61.808 \| fine	50.752 \| good	0.583 \| good	6.563 \| good	0.199 \| good
2025-05-31T06:00:00.000Z	44 \| good	7.994 \| good	35.046 \| good	25.638 \| good	0.18 \| good	2.788 \| good	0.145 \| good
2025-05-31T07:00:00.000Z	33 \| good	6.447 \| good	28.925 \| good	23.919 \| good	0.152 \| good	2.814 \| good	0.137 \| good
2025-05-31T08:00:00.000Z	33 \| good	5.509 \| good	23.472 \| good	22.052 \| good	0.159 \| good	2.909 \| good	0.136 \| good
2025-05-31T09:00:00.000Z	49 \| good	9.011 \| good	39.318 \| good	18.347 \| good	0.166 \| good	3.005 \| good	0.136 \| good
2025-05-31T10:00:00.000Z	33 \| good	5.725 \| good	24.844 \| good	20.756 \| good	0.177 \| good	3.44 \| good	0.137 \| good
2025-05-31T11:00:00.000Z	33 \| good	6.374 \| good	28.809 \| good	21.767 \| good	0.198 \| good	3.654 \| good	0.139 \| good
2025-05-31T12:00:00.000Z	44 \| good	7.683 \| good	34 \| good	21.669 \| good	0.219 \| good	3.868 \| good	0.14 \| good
2025-05-31T13:00:00.000Z	44 \| good	8.42 \| good	37.332 \| good	24.036 \| good	0.471 \| good	1.955 \| good	0.144 \| good
2025-05-31T14:00:00.000Z	49 \| good	9.366 \| good	41.881 \| good	28.682 \| good	0.546 \| good	2.018 \| good	0.148 \| good
2025-05-31T15:00:00.000Z	52 \| moderate	9.752 \| good	43.475 \| good	35.993 \| good	0.621 \| good	2.082 \| good	0.151 \| good
2025-05-31T16:00:00.000Z	58 \| moderate	13.067 \| fine	59.143 \| fine	42.343 \| good	0.463 \| good	0.742 \| good	0.15 \| good
2025-05-31T17:00:00.000Z	73 \| moderate	21.077 \| fine	92.589 \| fine	43.148 \| good	0.482 \| good	0.752 \| good	0.15 \| good
2025-05-31T18:00:00.000Z	90 \| moderate	30.336 \| fine	130.81 \| fine	45.857 \| good	0.501 \| good	0.761 \| good	0.15 \| good
2025-05-31T19:00:00.000Z	96 \| moderate	33.411 \| fine	144.117 \| fine	49.581 \| good	0.312 \| good	0.597 \| good	0.154 \| good
2025-05-31T20:00:00.000Z	102 \| sensitive	36.212 \| moderate	157.645 \| moderate	51.94 \| good	0.309 \| good	0.604 \| good	0.151 \| good
2025-05-31T21:00:00.000Z	107 \| sensitive	38.076 \| moderate	167.079 \| moderate	54.249 \| good	0.306 \| good	0.612 \| good	0.147 \| good
2025-05-31T22:00:00.000Z	105 \| sensitive	37.286 \| moderate	163.802 \| moderate	55.005 \| fine	0.258 \| good	1.24 \| good	0.152 \| good
2025-05-31T23:00:00.000Z	97 \| moderate	34.088 \| fine	147.687 \| fine	53.034 \| good	0.257 \| good	1.274 \| good	0.148 \| good
2025-06-01T00:00:00.000Z	81 \| moderate	25.03 \| fine	109.483 \| fine	48.78 \| good	0.256 \| good	1.309 \| good	0.144 \| good
2025-06-01T01:00:00.000Z	64 \| moderate	15.899 \| fine	71.087 \| fine	42.629 \| good	0.37 \| good	4.314 \| good	0.159 \| good
2025-06-01T02:00:00.000Z	56 \| moderate	11.925 \| good	52.706 \| good	39.307 \| good	0.472 \| good	4.344 \| good	0.159 \| good
2025-06-01T03:00:00.000Z	44 \| good	8.206 \| good	36.107 \| good	34.334 \| good	0.573 \| good	4.374 \| good	0.16 \| good
2025-06-01T04:00:00.000Z	33 \| good	6.129 \| good	27.172 \| good	31.603 \| good	0.853 \| good	5.332 \| good	0.167 \| good
2025-06-01T05:00:00.000Z	27 \| good	4.868 \| good	21.119 \| good	27.61 \| good	0.902 \| good	5.327 \| good	0.168 \| good
2025-06-01T06:00:00.000Z	22 \| good	4.026 \| good	17.922 \| good	24.193 \| good	0.952 \| good	5.321 \| good	0.169 \| good
2025-06-01T07:00:00.000Z	22 \| good	3.563 \| good	15.925 \| good	22.156 \| good	0.786 \| good	5.953 \| good	0.167 \| good
2025-06-01T08:00:00.000Z	19 \| good	3.311 \| good	14.279 \| good	20.242 \| good	0.777 \| good	6.154 \| good	0.168 \| good
2025-06-01T09:00:00.000Z	38 \| good	6.665 \| good	29.92 \| good	19.388 \| good	0.769 \| good	6.355 \| good	0.169 \| good
2025-06-01T10:00:00.000Z	17 \| good	3.483 \| good	15.324 \| good	17.754 \| good	0.632 \| good	6.353 \| good	0.17 \| good
2025-06-01T11:00:00.000Z	38 \| good	7.227 \| good	32.088 \| good	19.74 \| good	0.629 \| good	6.657 \| good	0.172 \| good
2025-06-01T12:00:00.000Z	49 \| good	8.57 \| good	37.267 \| good	21.894 \| good	0.625 \| good	6.962 \| good	0.174 \| good
2025-06-01T13:00:00.000Z	52 \| moderate	10.37 \| good	46.037 \| good	27.924 \| good	0.675 \| good	3.006 \| good	0.157 \| good
2025-06-01T14:00:00.000Z	54 \| moderate	11.232 \| good	49.883 \| good	36.251 \| good	0.702 \| good	3.181 \| good	0.157 \| good
2025-06-01T15:00:00.000Z	49 \| good	8.985 \| good	40.345 \| good	46.27 \| good	0.729 \| good	3.356 \| good	0.158 \| good
2025-06-01T16:00:00.000Z	44 \| good	6.313 \| good	27.964 \| good	47.875 \| good	0.755 \| good	0.943 \| good	0.146 \| good
2025-06-01T17:00:00.000Z	49 \| good	6.22 \| good	27.75 \| good	52.888 \| good	0.806 \| good	1.003 \| good	0.145 \| good
2025-06-01T18:00:00.000Z	64 \| moderate	4.86 \| good	21.055 \| good	58.692 \| fine	0.857 \| good	1.063 \| good	0.144 \| good
2025-06-01T19:00:00.000Z	74 \| moderate	3.949 \| good	17.074 \| good	61.781 \| fine	0.613 \| good	0.757 \| good	0.151 \| good
2025-06-01T20:00:00.000Z	80 \| moderate	3.095 \| good	12.342 \| good	64.354 \| fine	0.671 \| good	0.793 \| good	0.15 \| good
2025-06-01T21:00:00.000Z	84 \| moderate	3.727 \| good	16.214 \| good	64.753 \| fine	0.729 \| good	0.828 \| good	0.15 \| good
2025-06-01T22:00:00.000Z	71 \| moderate	5.779 \| good	25.287 \| good	60.767 \| fine	0.499 \| good	1.345 \| good	0.157 \| good
2025-06-01T23:00:00.000Z	61 \| moderate	8.356 \| good	36.927 \| good	57.808 \| fine	0.561 \| good	1.429 \| good	0.157 \| good
2025-06-02T00:00:00.000Z	77 \| moderate	20.406 \| fine	22.131 \| good	63.263 \| fine	0.619 \| good	1.505 \| good	0.157 \| good
2025-06-02T01:00:00.000Z	49 \| good	9.128 \| good	40.523 \| good	52.005 \| good	0.45 \| good	6.027 \| good	0.191 \| good
2025-06-02T02:00:00.000Z	56 \| moderate	12.243 \| fine	54.743 \| good	43.006 \| good	0.507 \| good	6.173 \| good	0.191 \| good
2025-06-02T03:00:00.000Z	52 \| moderate	10.46 \| good	46.045 \| good	36.37 \| good	0.564 \| good	6.319 \| good	0.192 \| good
2025-06-02T04:00:00.000Z	49 \| good	8.699 \| good	38.02 \| good	29.553 \| good	0.438 \| good	6.132 \| good	0.196 \| good
2025-06-02T05:00:00.000Z	33 \| good	6.245 \| good	28.077 \| good	26.244 \| good	0.493 \| good	6.036 \| good	0.194 \| good

Washington

Get reliable air quality data to drive your business

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

0.18ppm

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 2025-05-31.

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 2025-05-30.

What is the AQI in Washington, Illinois right now?

As of now, the AQI in Washington, Illinois is 71, 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 19.921 μg/m³.

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

The PM₁₀ concentration in Washington, Illinois is 61.808 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 0.199 ppm.

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

Currently, Washington, Illinois has a sulfur dioxide (SO₂) concentration of 0.583 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 50.752 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 6.563 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-05-31T23:00:00.000Z	51 \| moderate	8.825 \| good	45.139 \| good	55.3 \| fine	0.379 \| good	1.491 \| good	0.157 \| good
2025-06-01T00:00:00.000Z	52 \| moderate	9.595 \| good	43.136 \| good	54.16 \| good	0.595 \| good	3.197 \| good	0.17 \| good
2025-06-01T01:00:00.000Z	58 \| moderate	13.006 \| fine	50.604 \| good	54.716 \| good	1.108 \| good	2.432 \| good	0.199 \| good
2025-06-01T02:00:00.000Z	52 \| moderate	10.44 \| good	43.624 \| good	52.043 \| good	1.222 \| good	2.63 \| good	0.213 \| good
2025-06-01T03:00:00.000Z	40 \| good	6.298 \| good	27.977 \| good	42.541 \| good	1.076 \| good	3.608 \| good	0.151 \| good
2025-06-01T04:00:00.000Z	43 \| good	6.534 \| good	24.717 \| good	45.884 \| good	0.449 \| good	5.635 \| good	0.199 \| good
2025-06-01T05:00:00.000Z	38 \| good	6.975 \| good	26.391 \| good	39.088 \| good	0.644 \| good	5.999 \| good	0.186 \| good
2025-06-01T06:00:00.000Z	38 \| good	7.34 \| good	27.907 \| good	38.281 \| good	0.592 \| good	6.361 \| good	0.186 \| good
2025-06-01T07:00:00.000Z	49 \| good	9.149 \| good	53.286 \| good	39.114 \| good	0.611 \| good	6.247 \| good	0.199 \| good
2025-06-01T08:00:00.000Z	54 \| moderate	11.392 \| good	56.256 \| fine	39.414 \| good	1.354 \| good	6.296 \| good	0.199 \| good
2025-06-01T09:00:00.000Z	49 \| good	8.334 \| good	53.088 \| good	39.977 \| good	1.487 \| good	6.697 \| good	0.183 \| good
2025-06-01T10:00:00.000Z	44 \| good	8.364 \| good	47.052 \| good	40.364 \| good	1.063 \| good	7.979 \| good	0.175 \| good
2025-06-01T11:00:00.000Z	52 \| moderate	9.89 \| good	45.965 \| good	38.735 \| good	0.783 \| good	8.97 \| good	0.175 \| good
2025-06-01T12:00:00.000Z	62 \| moderate	15.023 \| fine	70.541 \| fine	37.381 \| good	1.296 \| good	7.082 \| good	0.159 \| good
2025-06-01T13:00:00.000Z	58 \| moderate	13.289 \| fine	49.439 \| good	36.437 \| good	0.898 \| good	7.493 \| good	0.145 \| good
2025-06-01T14:00:00.000Z	56 \| moderate	12.142 \| fine	35.157 \| good	39.249 \| good	1.007 \| good	5.706 \| good	0.145 \| good
2025-06-01T15:00:00.000Z	52 \| moderate	9.792 \| good	41.842 \| good	38.76 \| good	1.395 \| good	5.786 \| good	0.17 \| good
2025-06-01T16:00:00.000Z	38 \| good	7.484 \| good	26.378 \| good	40.286 \| good	0.704 \| good	5.598 \| good	0.173 \| good
2025-06-01T17:00:00.000Z	40 \| good	6.254 \| good	29.371 \| good	43.115 \| good	1.105 \| good	5.268 \| good	0.173 \| good
2025-06-01T18:00:00.000Z	38 \| good	6.856 \| good	31.662 \| good	37.473 \| good	1.105 \| good	4.778 \| good	0.157 \| good
2025-06-01T19:00:00.000Z	40 \| good	7.327 \| good	20.395 \| good	43.147 \| good	0.674 \| good	4.827 \| good	0.157 \| good
2025-06-01T20:00:00.000Z	45 \| good	7.344 \| good	35.545 \| good	48.98 \| good	0.705 \| good	4.127 \| good	0.173 \| good
2025-06-01T21:00:00.000Z	44 \| good	7.544 \| good	22.763 \| good	47.456 \| good	0.79 \| good	2.643 \| good	0.157 \| good
2025-06-01T22:00:00.000Z	48 \| good	6.938 \| good	19.046 \| good	51.662 \| good	0.605 \| good	1.386 \| good	0.157 \| good
2025-06-01T23:00:00.000Z	46 \| good	6.83 \| good	20.591 \| good	50.388 \| good	0.57 \| good	1.526 \| good	0.157 \| good
2025-06-02T00:00:00.000Z	48 \| good	6.841 \| good	27.799 \| good	51.639 \| good	0.658 \| good	1.887 \| good	0.157 \| good
2025-06-02T01:00:00.000Z	50 \| good	7.828 \| good	18.506 \| good	54.27 \| good	0.443 \| good	3.178 \| good	0.157 \| good
2025-06-02T02:00:00.000Z	44 \| good	8.195 \| good	28.129 \| good	47.081 \| good	0.505 \| good	8.27 \| good	0.223 \| good
2025-06-02T03:00:00.000Z	52 \| moderate	10.227 \| good	34.797 \| good	41.984 \| good	0.462 \| good	9.287 \| good	0.182 \| good
2025-06-02T04:00:00.000Z	52 \| moderate	10.294 \| good	24.483 \| good	38.873 \| good	0.619 \| good	11.82 \| good	0.348 \| good
2025-06-02T05:00:00.000Z	54 \| moderate	11 \| good	42.255 \| good	32.08 \| good	0.527 \| good	12.415 \| good	0.277 \| good
2025-06-02T06:00:00.000Z	54 \| moderate	11.156 \| good	54.845 \| good	28.408 \| good	1.602 \| good	17.407 \| good	0.22 \| good
2025-06-02T07:00:00.000Z	49 \| good	8.925 \| good	34.797 \| good	25.85 \| good	0.498 \| good	14.459 \| good	0.182 \| good
2025-06-02T08:00:00.000Z	49 \| good	8.577 \| good	29.391 \| good	24.85 \| good	0.606 \| good	11.464 \| good	0.206 \| good
2025-06-02T09:00:00.000Z	44 \| good	7.679 \| good	38.503 \| good	29.318 \| good	0.78 \| good	13.262 \| good	0.206 \| good
2025-06-02T10:00:00.000Z	49 \| good	8.853 \| good	34.578 \| good	28.027 \| good	0.825 \| good	11.825 \| good	0.182 \| good
2025-06-02T11:00:00.000Z	49 \| good	9.105 \| good	32.914 \| good	26.589 \| good	0.775 \| good	13.243 \| good	0.216 \| good
2025-06-02T12:00:00.000Z	49 \| good	8.67 \| good	40.3 \| good	24.743 \| good	0.971 \| good	19.94 \| good	0.245 \| good
2025-06-02T13:00:00.000Z	52 \| moderate	9.979 \| good	29.915 \| good	24.82 \| good	0.825 \| good	17.276 \| good	0.229 \| good
2025-06-02T14:00:00.000Z	49 \| good	8.595 \| good	38.745 \| good	26.59 \| good	0.946 \| good	12.557 \| good	0.256 \| good
2025-06-02T15:00:00.000Z	49 \| good	8.72 \| good	35.57 \| good	25.488 \| good	1.08 \| good	9.8 \| good	0.215 \| good
2025-06-02T16:00:00.000Z	44 \| good	8.374 \| good	32.999 \| good	33.891 \| good	1.132 \| good	9.51 \| good	0.199 \| good
2025-06-02T17:00:00.000Z	38 \| good	7.193 \| good	39.626 \| good	37.912 \| good	1.071 \| good	7.879 \| good	0.202 \| good
2025-06-02T18:00:00.000Z	44 \| good	8.304 \| good	46.227 \| good	47.38 \| good	1.262 \| good	5.887 \| good	0.202 \| good
2025-06-02T19:00:00.000Z	45 \| good	8.379 \| good	33.075 \| good	48.732 \| good	1.052 \| good	5.599 \| good	0.202 \| good
2025-06-02T20:00:00.000Z	50 \| good	8.458 \| good	47.289 \| good	53.603 \| good	1.116 \| good	5.649 \| good	0.215 \| good
2025-06-02T21:00:00.000Z	58 \| moderate	9.961 \| good	32.652 \| good	57.475 \| fine	1.148 \| good	5.648 \| good	0.215 \| good
2025-06-02T22:00:00.000Z	67 \| moderate	12.55 \| fine	57.78 \| fine	60.422 \| fine	0.811 \| good	4.879 \| good	0.199 \| good
2025-05-31T05:00:00.000Z	71 \| moderate	19.921 \| fine	61.808 \| fine	50.752 \| good	0.583 \| good	6.563 \| good	0.199 \| good
2025-05-31T06:00:00.000Z	44 \| good	7.994 \| good	35.046 \| good	25.638 \| good	0.18 \| good	2.788 \| good	0.145 \| good
2025-05-31T07:00:00.000Z	33 \| good	6.447 \| good	28.925 \| good	23.919 \| good	0.152 \| good	2.814 \| good	0.137 \| good
2025-05-31T08:00:00.000Z	33 \| good	5.509 \| good	23.472 \| good	22.052 \| good	0.159 \| good	2.909 \| good	0.136 \| good
2025-05-31T09:00:00.000Z	49 \| good	9.011 \| good	39.318 \| good	18.347 \| good	0.166 \| good	3.005 \| good	0.136 \| good
2025-05-31T10:00:00.000Z	33 \| good	5.725 \| good	24.844 \| good	20.756 \| good	0.177 \| good	3.44 \| good	0.137 \| good
2025-05-31T11:00:00.000Z	33 \| good	6.374 \| good	28.809 \| good	21.767 \| good	0.198 \| good	3.654 \| good	0.139 \| good
2025-05-31T12:00:00.000Z	44 \| good	7.683 \| good	34 \| good	21.669 \| good	0.219 \| good	3.868 \| good	0.14 \| good
2025-05-31T13:00:00.000Z	44 \| good	8.42 \| good	37.332 \| good	24.036 \| good	0.471 \| good	1.955 \| good	0.144 \| good
2025-05-31T14:00:00.000Z	49 \| good	9.366 \| good	41.881 \| good	28.682 \| good	0.546 \| good	2.018 \| good	0.148 \| good
2025-05-31T15:00:00.000Z	52 \| moderate	9.752 \| good	43.475 \| good	35.993 \| good	0.621 \| good	2.082 \| good	0.151 \| good
2025-05-31T16:00:00.000Z	58 \| moderate	13.067 \| fine	59.143 \| fine	42.343 \| good	0.463 \| good	0.742 \| good	0.15 \| good
2025-05-31T17:00:00.000Z	73 \| moderate	21.077 \| fine	92.589 \| fine	43.148 \| good	0.482 \| good	0.752 \| good	0.15 \| good
2025-05-31T18:00:00.000Z	90 \| moderate	30.336 \| fine	130.81 \| fine	45.857 \| good	0.501 \| good	0.761 \| good	0.15 \| good
2025-05-31T19:00:00.000Z	96 \| moderate	33.411 \| fine	144.117 \| fine	49.581 \| good	0.312 \| good	0.597 \| good	0.154 \| good
2025-05-31T20:00:00.000Z	102 \| sensitive	36.212 \| moderate	157.645 \| moderate	51.94 \| good	0.309 \| good	0.604 \| good	0.151 \| good
2025-05-31T21:00:00.000Z	107 \| sensitive	38.076 \| moderate	167.079 \| moderate	54.249 \| good	0.306 \| good	0.612 \| good	0.147 \| good
2025-05-31T22:00:00.000Z	105 \| sensitive	37.286 \| moderate	163.802 \| moderate	55.005 \| fine	0.258 \| good	1.24 \| good	0.152 \| good
2025-05-31T23:00:00.000Z	97 \| moderate	34.088 \| fine	147.687 \| fine	53.034 \| good	0.257 \| good	1.274 \| good	0.148 \| good
2025-06-01T00:00:00.000Z	81 \| moderate	25.03 \| fine	109.483 \| fine	48.78 \| good	0.256 \| good	1.309 \| good	0.144 \| good
2025-06-01T01:00:00.000Z	64 \| moderate	15.899 \| fine	71.087 \| fine	42.629 \| good	0.37 \| good	4.314 \| good	0.159 \| good
2025-06-01T02:00:00.000Z	56 \| moderate	11.925 \| good	52.706 \| good	39.307 \| good	0.472 \| good	4.344 \| good	0.159 \| good
2025-06-01T03:00:00.000Z	44 \| good	8.206 \| good	36.107 \| good	34.334 \| good	0.573 \| good	4.374 \| good	0.16 \| good
2025-06-01T04:00:00.000Z	33 \| good	6.129 \| good	27.172 \| good	31.603 \| good	0.853 \| good	5.332 \| good	0.167 \| good
2025-06-01T05:00:00.000Z	27 \| good	4.868 \| good	21.119 \| good	27.61 \| good	0.902 \| good	5.327 \| good	0.168 \| good
2025-06-01T06:00:00.000Z	22 \| good	4.026 \| good	17.922 \| good	24.193 \| good	0.952 \| good	5.321 \| good	0.169 \| good
2025-06-01T07:00:00.000Z	22 \| good	3.563 \| good	15.925 \| good	22.156 \| good	0.786 \| good	5.953 \| good	0.167 \| good
2025-06-01T08:00:00.000Z	19 \| good	3.311 \| good	14.279 \| good	20.242 \| good	0.777 \| good	6.154 \| good	0.168 \| good
2025-06-01T09:00:00.000Z	38 \| good	6.665 \| good	29.92 \| good	19.388 \| good	0.769 \| good	6.355 \| good	0.169 \| good
2025-06-01T10:00:00.000Z	17 \| good	3.483 \| good	15.324 \| good	17.754 \| good	0.632 \| good	6.353 \| good	0.17 \| good
2025-06-01T11:00:00.000Z	38 \| good	7.227 \| good	32.088 \| good	19.74 \| good	0.629 \| good	6.657 \| good	0.172 \| good
2025-06-01T12:00:00.000Z	49 \| good	8.57 \| good	37.267 \| good	21.894 \| good	0.625 \| good	6.962 \| good	0.174 \| good
2025-06-01T13:00:00.000Z	52 \| moderate	10.37 \| good	46.037 \| good	27.924 \| good	0.675 \| good	3.006 \| good	0.157 \| good
2025-06-01T14:00:00.000Z	54 \| moderate	11.232 \| good	49.883 \| good	36.251 \| good	0.702 \| good	3.181 \| good	0.157 \| good
2025-06-01T15:00:00.000Z	49 \| good	8.985 \| good	40.345 \| good	46.27 \| good	0.729 \| good	3.356 \| good	0.158 \| good
2025-06-01T16:00:00.000Z	44 \| good	6.313 \| good	27.964 \| good	47.875 \| good	0.755 \| good	0.943 \| good	0.146 \| good
2025-06-01T17:00:00.000Z	49 \| good	6.22 \| good	27.75 \| good	52.888 \| good	0.806 \| good	1.003 \| good	0.145 \| good
2025-06-01T18:00:00.000Z	64 \| moderate	4.86 \| good	21.055 \| good	58.692 \| fine	0.857 \| good	1.063 \| good	0.144 \| good
2025-06-01T19:00:00.000Z	74 \| moderate	3.949 \| good	17.074 \| good	61.781 \| fine	0.613 \| good	0.757 \| good	0.151 \| good
2025-06-01T20:00:00.000Z	80 \| moderate	3.095 \| good	12.342 \| good	64.354 \| fine	0.671 \| good	0.793 \| good	0.15 \| good
2025-06-01T21:00:00.000Z	84 \| moderate	3.727 \| good	16.214 \| good	64.753 \| fine	0.729 \| good	0.828 \| good	0.15 \| good
2025-06-01T22:00:00.000Z	71 \| moderate	5.779 \| good	25.287 \| good	60.767 \| fine	0.499 \| good	1.345 \| good	0.157 \| good
2025-06-01T23:00:00.000Z	61 \| moderate	8.356 \| good	36.927 \| good	57.808 \| fine	0.561 \| good	1.429 \| good	0.157 \| good
2025-06-02T00:00:00.000Z	77 \| moderate	20.406 \| fine	22.131 \| good	63.263 \| fine	0.619 \| good	1.505 \| good	0.157 \| good
2025-06-02T01:00:00.000Z	49 \| good	9.128 \| good	40.523 \| good	52.005 \| good	0.45 \| good	6.027 \| good	0.191 \| good
2025-06-02T02:00:00.000Z	56 \| moderate	12.243 \| fine	54.743 \| good	43.006 \| good	0.507 \| good	6.173 \| good	0.191 \| good
2025-06-02T03:00:00.000Z	52 \| moderate	10.46 \| good	46.045 \| good	36.37 \| good	0.564 \| good	6.319 \| good	0.192 \| good
2025-06-02T04:00:00.000Z	49 \| good	8.699 \| good	38.02 \| good	29.553 \| good	0.438 \| good	6.132 \| good	0.196 \| good
2025-06-02T05:00:00.000Z	33 \| good	6.245 \| good	28.077 \| good	26.244 \| good	0.493 \| good	6.036 \| good	0.194 \| 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

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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?