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

The PM10 concentration in Washington, Illinois is 34.902 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 0.159 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 18.67 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 10.546 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 6.407 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)

6.41 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.90 μg/m³

155

255

425

605+

Ozone (O₃)

18.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.55 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2026-03-04T16:00:00.000Z	96 \| moderate	32.799 \| fine	112.28 \| fine	10.481 \| good	0.423 \| good	9.616 \| good	0.293 \| good
2026-03-04T17:00:00.000Z	86 \| moderate	28.488 \| fine	119.95 \| fine	13.264 \| good	0.444 \| good	11.131 \| good	0.259 \| good
2026-03-04T18:00:00.000Z	82 \| moderate	26.153 \| fine	116.505 \| fine	13.544 \| good	0.375 \| good	12.553 \| good	0.298 \| good
2026-03-04T19:00:00.000Z	82 \| moderate	25.953 \| fine	99.926 \| fine	13.726 \| good	0.421 \| good	11.581 \| good	0.298 \| good
2026-03-04T20:00:00.000Z	73 \| moderate	21.48 \| fine	88.863 \| fine	14.515 \| good	0.321 \| good	8.201 \| good	0.317 \| good
2026-03-04T21:00:00.000Z	76 \| moderate	21.33 \| fine	105.253 \| fine	11.978 \| good	0.302 \| good	6.603 \| good	0.301 \| good
2026-03-04T22:00:00.000Z	69 \| moderate	18.959 \| fine	86.815 \| fine	11.298 \| good	0.292 \| good	8.377 \| good	0.367 \| good
2026-03-04T23:00:00.000Z	66 \| moderate	17.419 \| fine	71.573 \| fine	10.673 \| good	0.363 \| good	13.504 \| good	0.317 \| good
2026-03-05T00:00:00.000Z	69 \| moderate	16.598 \| fine	91.181 \| fine	13.379 \| good	0.186 \| good	14.483 \| good	0.379 \| good
2026-03-05T01:00:00.000Z	66 \| moderate	17.314 \| fine	58.143 \| fine	10.807 \| good	0.301 \| good	13.008 \| good	0.343 \| good
2026-03-05T02:00:00.000Z	69 \| moderate	18.578 \| fine	79.96 \| fine	10.062 \| good	0.29 \| good	13.633 \| good	0.401 \| good
2026-03-05T03:00:00.000Z	77 \| moderate	23.488 \| fine	103.245 \| fine	18.427 \| good	0.965 \| good	9.49 \| good	0.293 \| good
2026-03-05T04:00:00.000Z	69 \| moderate	19.112 \| fine	85.578 \| fine	6.615 \| good	0.258 \| good	13.336 \| good	0.44 \| good
2026-03-05T05:00:00.000Z	77 \| moderate	19.326 \| fine	106.825 \| fine	9.724 \| good	0.197 \| good	14.645 \| good	0.42 \| good
2026-03-05T06:00:00.000Z	67 \| moderate	18.133 \| fine	83.573 \| fine	9.074 \| good	0.181 \| good	14.347 \| good	0.382 \| good
2026-03-05T07:00:00.000Z	69 \| moderate	18.504 \| fine	59.847 \| fine	18.259 \| good	0.18 \| good	11.89 \| good	0.382 \| good
2026-03-05T08:00:00.000Z	60 \| moderate	13.559 \| fine	32.968 \| good	10.789 \| good	0.216 \| good	8.074 \| good	0.382 \| good
2026-03-05T09:00:00.000Z	82 \| moderate	25.627 \| fine	71.714 \| fine	4.818 \| good	0.268 \| good	7.51 \| good	0.255 \| good
2026-03-05T10:00:00.000Z	71 \| moderate	19.703 \| fine	66.978 \| fine	4.164 \| good	0.439 \| good	8.62 \| good	0.324 \| good
2026-03-05T11:00:00.000Z	81 \| moderate	25.481 \| fine	90.147 \| fine	5.862 \| good	0.363 \| good	9.155 \| good	0.285 \| good
2026-03-05T12:00:00.000Z	77 \| moderate	22.835 \| fine	66.546 \| fine	4.674 \| good	0.341 \| good	7.476 \| good	0.285 \| good
2026-03-05T13:00:00.000Z	79 \| moderate	23.77 \| fine	81.501 \| fine	9.52 \| good	0.337 \| good	7.347 \| good	0.285 \| good
2026-03-05T14:00:00.000Z	86 \| moderate	27.833 \| fine	68.846 \| fine	4.453 \| good	0.403 \| good	8.634 \| good	0.383 \| good
2026-03-05T15:00:00.000Z	67 \| moderate	18.272 \| fine	83.666 \| fine	6.249 \| good	0.329 \| good	8.675 \| good	0.366 \| good
2026-03-05T16:00:00.000Z	71 \| moderate	20.033 \| fine	65.484 \| fine	6.09 \| good	0.319 \| good	8.772 \| good	0.304 \| good
2026-03-05T17:00:00.000Z	75 \| moderate	19.354 \| fine	103.292 \| fine	9.716 \| good	0.397 \| good	6.56 \| good	0.304 \| good
2026-03-05T18:00:00.000Z	62 \| moderate	14.557 \| fine	61.457 \| fine	15.525 \| good	0.521 \| good	8.477 \| good	0.304 \| good
2026-03-05T19:00:00.000Z	58 \| moderate	12.585 \| fine	45.903 \| good	15.672 \| good	0.697 \| good	10.751 \| good	0.304 \| good
2026-03-05T20:00:00.000Z	54 \| moderate	11.009 \| good	27.925 \| good	11.823 \| good	1.036 \| good	11.378 \| good	0.304 \| good
2026-03-05T21:00:00.000Z	54 \| moderate	11.436 \| good	43.105 \| good	13.437 \| good	1.857 \| good	10.07 \| good	0.324 \| good
2026-03-05T22:00:00.000Z	54 \| moderate	10.734 \| good	40.304 \| good	12.572 \| good	1.878 \| good	7.114 \| good	0.324 \| good
2026-03-05T23:00:00.000Z	49 \| good	8.602 \| good	22.427 \| good	18.485 \| good	1.658 \| good	9.871 \| good	0.34 \| good
2026-03-06T00:00:00.000Z	44 \| good	8.127 \| good	17.292 \| good	14.811 \| good	1.085 \| good	9.721 \| good	0.359 \| good
2026-03-06T01:00:00.000Z	44 \| good	7.577 \| good	31.476 \| good	16.15 \| good	0.732 \| good	9.453 \| good	0.363 \| good
2026-03-06T02:00:00.000Z	49 \| good	9.34 \| good	37.993 \| good	12.055 \| good	0.561 \| good	13.926 \| good	0.417 \| good
2026-03-06T03:00:00.000Z	56 \| moderate	11.719 \| good	51.835 \| good	29.289 \| good	0.886 \| good	19.016 \| good	0.337 \| good
2026-03-06T04:00:00.000Z	52 \| moderate	10.149 \| good	36.524 \| good	9.147 \| good	0.471 \| good	14.445 \| good	0.348 \| good
2026-03-06T05:00:00.000Z	52 \| moderate	10.38 \| good	36.457 \| good	7.779 \| good	0.519 \| good	13.728 \| good	0.365 \| good
2026-03-06T06:00:00.000Z	52 \| moderate	9.721 \| good	37.014 \| good	7.987 \| good	0.444 \| good	12.71 \| good	0.349 \| good
2026-03-06T07:00:00.000Z	52 \| moderate	10.064 \| good	45.867 \| good	11.39 \| good	0.401 \| good	12.444 \| good	0.349 \| good
2026-03-06T08:00:00.000Z	49 \| good	9.382 \| good	42.576 \| good	15.888 \| good	0.308 \| good	12.397 \| good	0.333 \| good
2026-03-06T09:00:00.000Z	38 \| good	7.363 \| good	41.022 \| good	13.205 \| good	0.294 \| good	9.373 \| good	0.255 \| good
2026-03-06T10:00:00.000Z	38 \| good	7.106 \| good	33.621 \| good	12.199 \| good	0.317 \| good	9.365 \| good	0.235 \| good
2026-03-06T11:00:00.000Z	33 \| good	6.191 \| good	23.359 \| good	16.611 \| good	0.219 \| good	9.521 \| good	0.235 \| good
2026-03-06T12:00:00.000Z	46 \| good	8.334 \| good	50.277 \| good	19.589 \| good	0.177 \| good	10.612 \| good	0.235 \| good
2026-03-06T13:00:00.000Z	44 \| good	8.197 \| good	45.223 \| good	20.181 \| good	0.287 \| good	11.283 \| good	0.274 \| good
2026-03-06T14:00:00.000Z	33 \| good	6.407 \| good	34.902 \| good	18.67 \| good	0.159 \| good	10.546 \| good	0.289 \| good
2026-03-06T15:00:00.000Z	33 \| good	6.407 \| good	34.902 \| good	18.67 \| good	0.159 \| good	10.546 \| good	0.289 \| good
2026-03-06T16:00:00.000Z	28 \| good	3.727 \| good	16.147 \| good	29.962 \| good	0.422 \| good	2.407 \| good	0.145 \| good
2026-03-06T17:00:00.000Z	34 \| good	2.601 \| good	10.375 \| good	37.443 \| good	0.53 \| good	1.907 \| good	0.138 \| good
2026-03-06T18:00:00.000Z	34 \| good	1.255 \| good	5.186 \| good	36.883 \| good	0.638 \| good	1.407 \| good	0.131 \| good
2026-03-06T19:00:00.000Z	35 \| good	1.837 \| good	7.353 \| good	38.041 \| good	0.597 \| good	1.201 \| good	0.123 \| good
2026-03-06T20:00:00.000Z	35 \| good	3.043 \| good	12.485 \| good	37.704 \| good	0.555 \| good	0.996 \| good	0.115 \| good
2026-03-06T21:00:00.000Z	32 \| good	3.058 \| good	12.485 \| good	34.663 \| good	0.514 \| good	0.791 \| good	0.107 \| good
2026-03-06T22:00:00.000Z	33 \| good	0.522 \| good	1.997 \| good	35.537 \| good	0.503 \| good	1.278 \| good	0.108 \| good
2026-03-06T23:00:00.000Z	33 \| good	1.05 \| good	4.108 \| good	35.764 \| good	0.493 \| good	1.765 \| good	0.109 \| good
2026-03-07T00:00:00.000Z	39 \| good	3.815 \| good	16.877 \| good	42.095 \| good	0.483 \| good	2.252 \| good	0.109 \| good
2026-03-07T01:00:00.000Z	35 \| good	3.616 \| good	16.069 \| good	38.047 \| good	0.465 \| good	2.268 \| good	0.107 \| good
2026-03-07T02:00:00.000Z	30 \| good	4.233 \| good	18.97 \| good	32.44 \| good	0.448 \| good	2.284 \| good	0.105 \| good
2026-03-07T03:00:00.000Z	29 \| good	4.652 \| good	20.147 \| good	30.68 \| good	0.43 \| good	2.3 \| good	0.103 \| good
2026-03-07T04:00:00.000Z	27 \| good	5.469 \| good	23.221 \| good	26.547 \| good	0.438 \| good	2.247 \| good	0.104 \| good
2026-03-07T05:00:00.000Z	27 \| good	5.157 \| good	22.074 \| good	26.523 \| good	0.446 \| good	2.194 \| good	0.105 \| good
2026-03-07T06:00:00.000Z	33 \| good	5.767 \| good	25.138 \| good	27.937 \| good	0.454 \| good	2.141 \| good	0.106 \| good
2026-03-07T07:00:00.000Z	38 \| good	7.275 \| good	32.05 \| good	28.398 \| good	0.418 \| good	1.932 \| good	0.105 \| good
2026-03-07T08:00:00.000Z	44 \| good	8.105 \| good	35.793 \| good	29.542 \| good	0.383 \| good	1.723 \| good	0.103 \| good
2026-03-07T09:00:00.000Z	49 \| good	9.105 \| good	40.562 \| good	28.675 \| good	0.347 \| good	1.514 \| good	0.102 \| good
2026-03-07T10:00:00.000Z	49 \| good	8.897 \| good	39.039 \| good	29.331 \| good	0.306 \| good	1.419 \| good	0.101 \| good
2026-03-07T11:00:00.000Z	49 \| good	9.248 \| good	41.122 \| good	27.582 \| good	0.266 \| good	1.324 \| good	0.101 \| good
2026-03-07T12:00:00.000Z	49 \| good	8.585 \| good	37.865 \| good	26.517 \| good	0.225 \| good	1.23 \| good	0.1 \| good
2026-03-07T13:00:00.000Z	44 \| good	7.599 \| good	33.691 \| good	26.067 \| good	0.226 \| good	1.563 \| good	0.107 \| good
2026-03-07T14:00:00.000Z	49 \| good	8.573 \| good	37.313 \| good	28.615 \| good	0.227 \| good	1.897 \| good	0.113 \| good
2026-03-07T15:00:00.000Z	49 \| good	9.114 \| good	40.88 \| good	30.628 \| good	0.228 \| good	2.23 \| good	0.12 \| good
2026-03-07T16:00:00.000Z	33 \| good	6.303 \| good	28 \| good	32.966 \| good	0.259 \| good	2.005 \| good	0.141 \| good
2026-03-07T17:00:00.000Z	31 \| good	4.397 \| good	19.182 \| good	32.645 \| good	0.291 \| good	1.781 \| good	0.162 \| good
2026-03-07T18:00:00.000Z	29 \| good	2.359 \| good	9.488 \| good	30.589 \| good	0.323 \| good	1.556 \| good	0.183 \| good
2026-03-07T19:00:00.000Z	29 \| good	1.273 \| good	5.204 \| good	30.735 \| good	0.305 \| good	1.331 \| good	0.181 \| good
2026-03-07T20:00:00.000Z	30 \| good	1.674 \| good	7.035 \| good	32.239 \| good	0.288 \| good	1.107 \| good	0.179 \| good
2026-03-07T21:00:00.000Z	31 \| good	5.184 \| good	22.188 \| good	32.57 \| good	0.27 \| good	0.882 \| good	0.177 \| good
2026-03-07T22:00:00.000Z	32 \| good	4.073 \| good	18.138 \| good	34.91 \| good	0.258 \| good	1.284 \| good	0.175 \| good
2026-03-07T23:00:00.000Z	30 \| good	5.378 \| good	23.138 \| good	32.001 \| good	0.245 \| good	1.686 \| good	0.173 \| good
2026-03-08T00:00:00.000Z	44 \| good	7.84 \| good	34.123 \| good	35.467 \| good	0.233 \| good	2.087 \| good	0.171 \| good
2026-03-08T01:00:00.000Z	38 \| good	6.965 \| good	30.89 \| good	31.736 \| good	0.228 \| good	2.471 \| good	0.171 \| good
2026-03-08T02:00:00.000Z	38 \| good	7.15 \| good	31.721 \| good	27.058 \| good	0.224 \| good	2.854 \| good	0.17 \| good
2026-03-08T03:00:00.000Z	49 \| good	9.423 \| good	41.722 \| good	26.055 \| good	0.219 \| good	3.237 \| good	0.17 \| good
2026-03-08T04:00:00.000Z	52 \| moderate	10.117 \| good	44.795 \| good	22.825 \| good	0.215 \| good	3.304 \| good	0.17 \| good
2026-03-08T05:00:00.000Z	54 \| moderate	11.119 \| good	48.913 \| good	19.658 \| good	0.212 \| good	3.371 \| good	0.17 \| good
2026-03-08T06:00:00.000Z	26 \| good	2.669 \| good	2.824 \| good	27.631 \| good	0.207 \| good	3.432 \| good	0.17 \| good
2026-03-08T07:00:00.000Z	60 \| moderate	13.933 \| fine	62.489 \| fine	18.568 \| good	0.2 \| good	3.042 \| good	0.166 \| good
2026-03-08T08:00:00.000Z	62 \| moderate	15.252 \| fine	68.441 \| fine	18.934 \| good	0.193 \| good	2.647 \| good	0.162 \| good
2026-03-08T09:00:00.000Z	60 \| moderate	14.023 \| fine	62.539 \| fine	18 \| good	0.186 \| good	2.251 \| good	0.159 \| good
2026-03-08T10:00:00.000Z	62 \| moderate	14.721 \| fine	66.246 \| fine	17.194 \| good	0.204 \| good	2.193 \| good	0.157 \| good
2026-03-08T11:00:00.000Z	62 \| moderate	14.723 \| fine	66.351 \| fine	12.939 \| good	0.222 \| good	2.135 \| good	0.155 \| good
2026-03-08T12:00:00.000Z	25 \| good	2.549 \| good	2.788 \| good	26.9 \| good	0.241 \| good	2.076 \| good	0.152 \| good
2026-03-08T13:00:00.000Z	26 \| good	2.794 \| good	3.049 \| good	27.834 \| good	0.281 \| good	2.079 \| good	0.154 \| good
2026-03-08T14:00:00.000Z	27 \| good	2.787 \| good	2.988 \| good	28.769 \| good	0.321 \| good	2.081 \| good	0.156 \| good
2026-03-08T15:00:00.000Z	28 \| good	2.35 \| good	2.637 \| good	29.704 \| good	0.361 \| good	2.083 \| good	0.157 \| good

Washington

Get reliable air quality data to drive your business

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

0.38ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 05:00:00 on 2026-03-05.

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 02:00:00 on 2026-03-06.

What is the AQI in Washington, Illinois right now?

As of now, the AQI in Washington, Illinois is 33, 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 6.407 μg/m³.

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

The PM₁₀ concentration in Washington, Illinois is 34.902 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 0.289 ppm.

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

Currently, Washington, Illinois has a sulfur dioxide (SO₂) concentration of 0.159 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 18.67 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 10.546 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions