What is the current level of PM10 in Illinois, USA?

Illinois, USA currently has a PM10 concentration of 26.074 μg/m3.

What is the current level of sulfur dioxide (SO2) in Illinois, USA?

The current sulfur dioxide (SO2) concentration in Illinois, USA is 1.044 ppb.

What is the current level of ozone (O3) in Illinois, USA?

Illinois, USA currently has an ozone (O3) concentration of 21.165 ppm.

What is the current level of nitrogen dioxide (NO2) in Illinois, USA?

The current level of nitrogen dioxide (NO2) in Illinois, USA is 14.865 ppb.

Current air quality index in Illinois, USA today

Q: What is the PM2.5 concentration in Illinois, USA right now?

Illinois, USA currently has a PM2.5 concentration of 6.028 μg/m3.

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

Illinois, USA

Last updated: ... (Local time)

Common air pollutants in Illinois, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.00 μg/m³

155

255

425

605+

Ozone (O₃)

18.77 ppb

201

201+

Sulfur Dioxide (SO₂)

1.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Illinois, USA

Get Live Pollen Counts

Illinois, USA

Scroll To Air Quality Map

Track live Illinois, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-06T10:00:00.000Z	27 \| good	5.369 \| good	28.223 \| good	24.218 \| good	0.289 \| good	4.116 \| good	0.272 \| good
2026-10-06T11:00:00.000Z	27 \| good	5.201 \| good	20.289 \| good	20.181 \| good	0.521 \| good	5.092 \| good	0.322 \| good
2026-10-06T12:00:00.000Z	27 \| good	5.096 \| good	24.28 \| good	21.528 \| good	0.483 \| good	7.228 \| good	0.402 \| good
2026-10-06T13:00:00.000Z	27 \| good	5.136 \| good	19.118 \| good	20.551 \| good	0.407 \| good	6.406 \| good	0.503 \| good
2026-10-06T14:00:00.000Z	33 \| good	5.781 \| good	29.873 \| good	24.418 \| good	0.524 \| good	6.316 \| good	0.37 \| good
2026-10-06T15:00:00.000Z	27 \| good	5.279 \| good	27.925 \| good	21.222 \| good	0.748 \| good	5.546 \| good	0.231 \| good
2026-10-06T16:00:00.000Z	33 \| good	5.558 \| good	33.113 \| good	28.299 \| good	0.739 \| good	8.981 \| good	0.186 \| good
2026-10-06T17:00:00.000Z	28 \| good	5.032 \| good	20.754 \| good	30.371 \| good	0.952 \| good	6.911 \| good	0.202 \| good
2026-10-06T18:00:00.000Z	30 \| good	4.776 \| good	20.619 \| good	31.681 \| good	0.953 \| good	5.184 \| good	0.186 \| good
2026-10-06T19:00:00.000Z	32 \| good	5.222 \| good	20.263 \| good	35.017 \| good	0.651 \| good	6.906 \| good	0.186 \| good
2026-10-06T20:00:00.000Z	40 \| good	4.36 \| good	25.719 \| good	42.759 \| good	0.399 \| good	7.393 \| good	0.186 \| good
2026-10-06T21:00:00.000Z	38 \| good	4.173 \| good	18.436 \| good	40.854 \| good	0.41 \| good	6.648 \| good	0.199 \| good
2026-10-06T22:00:00.000Z	44 \| good	4.173 \| good	18.961 \| good	47.937 \| good	0.429 \| good	7.723 \| good	0.199 \| good
2026-10-06T23:00:00.000Z	45 \| good	4.47 \| good	21.278 \| good	49.066 \| good	0.347 \| good	5.382 \| good	0.199 \| good
2026-10-07T00:00:00.000Z	47 \| good	4.802 \| good	26.548 \| good	50.931 \| good	0.334 \| good	5.636 \| good	0.215 \| good
2026-10-07T01:00:00.000Z	44 \| good	5.629 \| good	25.168 \| good	47.033 \| good	0.676 \| good	6.612 \| good	0.297 \| good
2026-10-07T02:00:00.000Z	42 \| good	5.482 \| good	23.109 \| good	44.838 \| good	0.229 \| good	6.355 \| good	0.347 \| good
2026-10-07T03:00:00.000Z	49 \| good	9.17 \| good	41.025 \| good	35.563 \| good	1.026 \| good	4.102 \| good	0.166 \| good
2026-10-07T04:00:00.000Z	37 \| good	5.873 \| good	24.038 \| good	39.701 \| good	0.584 \| good	6.504 \| good	0.318 \| good
2026-10-07T05:00:00.000Z	37 \| good	5.973 \| good	25.39 \| good	40.104 \| good	0.469 \| good	7.264 \| good	0.252 \| good
2026-10-07T06:00:00.000Z	38 \| good	6.502 \| good	27.348 \| good	38.98 \| good	0.473 \| good	5.916 \| good	0.186 \| good
2026-10-07T07:00:00.000Z	34 \| good	5.577 \| good	25.826 \| good	36.664 \| good	0.487 \| good	9.552 \| good	0.162 \| good
2026-10-07T08:00:00.000Z	33 \| good	5.086 \| good	22.949 \| good	35.802 \| good	0.481 \| good	11.897 \| good	0.186 \| good
2026-10-07T09:00:00.000Z	31 \| good	5.076 \| good	20.828 \| good	33.039 \| good	0.385 \| good	11.829 \| good	0.186 \| good
2026-10-07T10:00:00.000Z	34 \| good	4.801 \| good	22.263 \| good	36.537 \| good	0.421 \| good	11.38 \| good	0.146 \| good
2026-10-07T11:00:00.000Z	30 \| good	5.281 \| good	24.16 \| good	31.892 \| good	0.385 \| good	13.303 \| good	0.199 \| good
2026-10-07T12:00:00.000Z	27 \| good	5.423 \| good	26.103 \| good	27.071 \| good	0.333 \| good	18.092 \| good	0.244 \| good
2026-10-07T13:00:00.000Z	27 \| good	4.992 \| good	24.16 \| good	27.752 \| good	0.364 \| good	14.146 \| good	0.244 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.574 \| good	24.031 \| good	32.26 \| good	0.495 \| good	11.683 \| good	0.261 \| good
2026-10-07T15:00:00.000Z	34 \| good	6.059 \| good	36.992 \| good	33.554 \| good	0.909 \| good	5.584 \| good	0.245 \| good
2026-10-07T16:00:00.000Z	38 \| good	6.992 \| good	36.361 \| good	33.232 \| good	0.84 \| good	6.626 \| good	0.245 \| good
2026-10-07T17:00:00.000Z	33 \| good	6.163 \| good	31.191 \| good	35.061 \| good	0.937 \| good	5.944 \| good	0.207 \| good
2026-10-07T18:00:00.000Z	33 \| good	6.315 \| good	28.261 \| good	33.853 \| good	0.495 \| good	6.315 \| good	0.176 \| good
2026-10-07T19:00:00.000Z	38 \| good	6.201 \| good	28.574 \| good	40.699 \| good	0.258 \| good	6.24 \| good	0.176 \| good
2026-10-07T20:00:00.000Z	41 \| good	6.146 \| good	26.025 \| good	43.907 \| good	0.294 \| good	6.24 \| good	0.176 \| good
2026-10-07T21:00:00.000Z	43 \| good	5.655 \| good	21.933 \| good	45.85 \| good	1.053 \| good	6.222 \| good	0.201 \| good
2026-10-07T22:00:00.000Z	40 \| good	5.788 \| good	23.371 \| good	42.849 \| good	0.633 \| good	5.538 \| good	0.192 \| good
2026-10-07T23:00:00.000Z	41 \| good	5.398 \| good	21.163 \| good	43.997 \| good	0.762 \| good	7.048 \| good	0.172 \| good
2026-10-08T00:00:00.000Z	40 \| good	5.27 \| good	21.966 \| good	43.341 \| good	0.3 \| good	6.192 \| good	0.262 \| good
2026-10-08T01:00:00.000Z	44 \| good	7.512 \| good	25.864 \| good	43.319 \| good	0.318 \| good	9.174 \| good	0.323 \| good
2026-10-08T02:00:00.000Z	52 \| moderate	9.802 \| good	38.599 \| good	37.238 \| good	0.35 \| good	10.675 \| good	0.215 \| good
2026-10-08T03:00:00.000Z	52 \| moderate	10.228 \| good	45.094 \| good	18.061 \| good	0.391 \| good	6.481 \| good	0.181 \| good
2026-10-08T04:00:00.000Z	40 \| good	6.916 \| good	42.52 \| good	25.852 \| good	0.301 \| good	8.571 \| good	0.199 \| good
2026-10-08T05:00:00.000Z	38 \| good	6.601 \| good	33.189 \| good	22.086 \| good	0.257 \| good	9.029 \| good	0.206 \| good
2026-10-08T06:00:00.000Z	44 \| good	7.504 \| good	28.802 \| good	20.922 \| good	0.315 \| good	14.871 \| good	0.186 \| good
2026-10-08T07:00:00.000Z	44 \| good	8.235 \| good	40.384 \| good	23.512 \| good	0.328 \| good	12.935 \| good	0.206 \| good
2026-10-08T08:00:00.000Z	38 \| good	6.9 \| good	34.994 \| good	25.778 \| good	0.388 \| good	12.403 \| good	0.161 \| good
2026-10-08T09:00:00.000Z	38 \| good	6.897 \| good	30.331 \| good	19.473 \| good	0.391 \| good	9.686 \| good	0.162 \| good
2026-10-08T09:00:00.000Z	33 \| good	5.708 \| good	25.005 \| good	18.775 \| good	1.656 \| good	13.091 \| good	0.159 \| good
2026-10-08T09:00:00.000Z	38 \| good	7.12 \| good	31.94 \| good	10.842 \| good	0.322 \| good	6.021 \| good	0.17 \| good
2026-10-08T10:00:00.000Z	22 \| good	3.706 \| good	15.971 \| good	9.121 \| good	0.308 \| good	6.157 \| good	0.169 \| good
2026-10-08T11:00:00.000Z	22 \| good	4.055 \| good	17.957 \| good	7.384 \| good	0.3 \| good	6.57 \| good	0.169 \| good
2026-10-08T12:00:00.000Z	16 \| good	2.622 \| good	10.961 \| good	6.045 \| good	0.309 \| good	7.407 \| good	0.173 \| good
2026-10-08T13:00:00.000Z	16 \| good	3.347 \| good	14.948 \| good	9.843 \| good	0.324 \| good	6.978 \| good	0.182 \| good
2026-10-08T14:00:00.000Z	27 \| good	4.999 \| good	21.105 \| good	22.783 \| good	0.332 \| good	5.197 \| good	0.179 \| good
2026-10-08T15:00:00.000Z	30 \| good	4.47 \| good	19.099 \| good	32.465 \| good	0.392 \| good	3.671 \| good	0.161 \| good
2026-10-08T16:00:00.000Z	32 \| good	4.946 \| good	21.075 \| good	34.732 \| good	0.526 \| good	2.442 \| good	0.146 \| good
2026-10-08T17:00:00.000Z	33 \| good	5.634 \| good	24.043 \| good	35.834 \| good	0.636 \| good	1.402 \| good	0.134 \| good
2026-10-08T18:00:00.000Z	35 \| good	5.957 \| good	26.833 \| good	38.39 \| good	0.678 \| good	0.974 \| good	0.129 \| good
2026-10-08T19:00:00.000Z	39 \| good	6.812 \| good	29.975 \| good	42.237 \| good	0.691 \| good	0.805 \| good	0.127 \| good
2026-10-08T20:00:00.000Z	43 \| good	6.535 \| good	28.931 \| good	45.692 \| good	0.7 \| good	0.754 \| good	0.125 \| good
2026-10-08T21:00:00.000Z	43 \| good	5.339 \| good	22.945 \| good	45.883 \| good	0.706 \| good	0.81 \| good	0.125 \| good
2026-10-08T22:00:00.000Z	41 \| good	3.534 \| good	15.812 \| good	44.183 \| good	0.711 \| good	1.062 \| good	0.126 \| good
2026-10-08T23:00:00.000Z	32 \| good	4.934 \| good	20.941 \| good	35.479 \| good	0.667 \| good	4.263 \| good	0.151 \| good
2026-10-09T00:00:00.000Z	31 \| good	4.865 \| good	21.061 \| good	32.529 \| good	0.719 \| good	9.668 \| good	0.19 \| good
2026-10-09T01:00:00.000Z	38 \| good	6.689 \| good	30.123 \| good	25.964 \| good	0.776 \| good	14.272 \| good	0.222 \| good
2026-10-09T02:00:00.000Z	44 \| good	8.489 \| good	37.341 \| good	22.509 \| good	0.829 \| good	18.054 \| good	0.245 \| good
2026-10-09T03:00:00.000Z	52 \| moderate	9.967 \| good	44.181 \| good	21.469 \| good	0.857 \| good	20.732 \| good	0.262 \| good
2026-10-09T04:00:00.000Z	52 \| moderate	10.284 \| good	45.134 \| good	17.994 \| good	0.842 \| good	21.858 \| good	0.271 \| good
2026-10-09T05:00:00.000Z	49 \| good	8.895 \| good	39.09 \| good	19.088 \| good	0.785 \| good	21.663 \| good	0.271 \| good
2026-10-09T06:00:00.000Z	44 \| good	7.787 \| good	34.066 \| good	20.146 \| good	0.711 \| good	20.011 \| good	0.263 \| good
2026-10-09T07:00:00.000Z	49 \| good	9.145 \| good	40.983 \| good	19.798 \| good	0.648 \| good	17.915 \| good	0.25 \| good
2026-10-09T08:00:00.000Z	54 \| moderate	10.662 \| good	47.028 \| good	17.53 \| good	0.598 \| good	15.332 \| good	0.233 \| good
2026-10-09T09:00:00.000Z	56 \| moderate	11.703 \| good	52.018 \| good	16.145 \| good	0.56 \| good	13.17 \| good	0.218 \| good
2026-10-09T10:00:00.000Z	38 \| good	7.124 \| good	31.965 \| good	18.243 \| good	0.525 \| good	11.721 \| good	0.207 \| good
2026-10-09T11:00:00.000Z	33 \| good	6.484 \| good	28.992 \| good	20.489 \| good	0.492 \| good	10.682 \| good	0.199 \| good
2026-10-09T12:00:00.000Z	22 \| good	4.118 \| good	18.066 \| good	19.837 \| good	0.471 \| good	9.983 \| good	0.194 \| good
2026-10-09T13:00:00.000Z	33 \| good	6.41 \| good	28.967 \| good	20.66 \| good	0.456 \| good	8.069 \| good	0.191 \| good
2026-10-09T14:00:00.000Z	38 \| good	6.7 \| good	29.964 \| good	23.601 \| good	0.437 \| good	6.295 \| good	0.193 \| good
2026-10-09T15:00:00.000Z	33 \| good	5.741 \| good	25.028 \| good	29.739 \| good	0.463 \| good	4.818 \| good	0.182 \| good
2026-10-09T16:00:00.000Z	38 \| good	6.942 \| good	30.998 \| good	37.293 \| good	0.526 \| good	3.406 \| good	0.168 \| good
2026-10-09T17:00:00.000Z	44 \| good	8.005 \| good	35.046 \| good	43.026 \| good	0.631 \| good	2.231 \| good	0.157 \| good
2026-10-09T18:00:00.000Z	49 \| good	9.441 \| good	42.045 \| good	48.446 \| good	0.739 \| good	1.486 \| good	0.149 \| good
2026-10-09T19:00:00.000Z	52 \| moderate	9.64 \| good	43.005 \| good	51.232 \| good	0.847 \| good	1.065 \| good	0.144 \| good
2026-10-09T20:00:00.000Z	52 \| moderate	9.916 \| good	44.027 \| good	53.519 \| good	0.911 \| good	0.901 \| good	0.144 \| good
2026-10-09T21:00:00.000Z	52 \| moderate	10.389 \| good	45.945 \| good	53.549 \| good	0.923 \| good	0.928 \| good	0.146 \| good
2026-10-09T22:00:00.000Z	52 \| moderate	10.07 \| good	44.932 \| good	53.794 \| good	0.87 \| good	1.532 \| good	0.151 \| good
2026-10-09T23:00:00.000Z	52 \| moderate	10.102 \| good	44.988 \| good	52.914 \| good	0.793 \| good	2.93 \| good	0.16 \| good
2026-10-10T00:00:00.000Z	52 \| moderate	10.491 \| good	46.1 \| good	50.814 \| good	0.724 \| good	3.994 \| good	0.166 \| good
2026-10-10T01:00:00.000Z	54 \| moderate	10.827 \| good	48.053 \| good	46.273 \| good	0.654 \| good	3.94 \| good	0.161 \| good
2026-10-10T02:00:00.000Z	56 \| moderate	12.248 \| fine	55.064 \| fine	41.669 \| good	0.599 \| good	3.772 \| good	0.155 \| good
2026-10-10T03:00:00.000Z	58 \| moderate	13.192 \| fine	59.101 \| fine	38.863 \| good	0.578 \| good	3.472 \| good	0.148 \| good
2026-10-10T04:00:00.000Z	56 \| moderate	11.681 \| good	51.149 \| good	37.712 \| good	0.598 \| good	3.219 \| good	0.144 \| good
2026-10-10T05:00:00.000Z	54 \| moderate	10.956 \| good	48.101 \| good	34.466 \| good	0.633 \| good	3.115 \| good	0.142 \| good
2026-10-10T06:00:00.000Z	52 \| moderate	9.863 \| good	43.998 \| good	29.933 \| good	0.667 \| good	3.06 \| good	0.143 \| good
2026-10-10T07:00:00.000Z	52 \| moderate	10.279 \| good	45.069 \| good	28.208 \| good	0.7 \| good	3.017 \| good	0.144 \| good
2026-10-10T08:00:00.000Z	52 \| moderate	9.7 \| good	43.048 \| good	28.648 \| good	0.726 \| good	3.027 \| good	0.145 \| good

Illinois

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Illinois, USA

Air quality in cities of Illinois, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Addison, Illinois	27 Good	4.72μg/m³ Good	20.03μg/m³ Good	12.16ppb Good	1.30ppb Good	18.88ppb Good	0.12ppm Good
Algonquin, Illinois	25 Good	4.00μg/m³ Good	17.89μg/m³ Good	27.48ppb Good	1.15ppb Good	12.36ppb Good	0.13ppm Good
Alsip, Illinois	33 Good	5.70μg/m³ Good	24.99μg/m³ Good	13.99ppb Good	1.46ppb Good	23.92ppb Good	0.13ppm Good
Alton, Illinois	33 Good	6.01μg/m³ Good	27.61μg/m³ Good	36.49ppb Good	0.63ppb Good	5.65ppb Good	0.25ppm Good
Antioch, Illinois	25 Good	4.13μg/m³ Good	17.96μg/m³ Good	27.17ppb Good	1.00ppb Good	9.10ppb Good	0.12ppm Good
Arlington Heights, Illinois	22 Good	4.24μg/m³ Good	17.01μg/m³ Good	21.87ppb Good	1.27ppb Good	16.91ppb Good	0.12ppm Good
Aurora, Illinois	27 Good	4.64μg/m³ Good	20.76μg/m³ Good	16.81ppb Good	1.28ppb Good	15.06ppb Good	0.14ppm Good
Barrington, Illinois	22 Good	4.20μg/m³ Good	17.38μg/m³ Good	18.75ppb Good	1.17ppb Good	13.01ppb Good	0.13ppm Good
Bartlett, Illinois	23 Good	4.36μg/m³ Good	19.51μg/m³ Good	24.65ppb Good	1.22ppb Good	13.70ppb Good	0.13ppm Good
Batavia, Illinois	27 Good	4.63μg/m³ Good	20.79μg/m³ Good	18.13ppb Good	1.27ppb Good	15.03ppb Good	0.14ppm Good
Beach Park, Illinois	29 Good	4.03μg/m³ Good	18.53μg/m³ Good	31.27ppb Good	1.05ppb Good	8.72ppb Good	0.12ppm Good
Belleville, Illinois	41 Good	5.76μg/m³ Good	43.88μg/m³ Good	32.81ppb Good	0.64ppb Good	10.16ppb Good	0.25ppm Good
Bellwood, Illinois	27 Good	5.05μg/m³ Good	21.94μg/m³ Good	11.97ppb Good	1.41ppb Good	19.25ppb Good	0.13ppm Good
Belvidere, Illinois	27 Good	4.89μg/m³ Good	22.40μg/m³ Good	22.06ppb Good	0.75ppb Good	8.22ppb Good	0.13ppm Good
Bensenville, Illinois	27 Good	5.14μg/m³ Good	22.37μg/m³ Good	11.89ppb Good	1.37ppb Good	18.11ppb Good	0.13ppm Good
Berwyn, Illinois	27 Good	4.93μg/m³ Good	21.70μg/m³ Good	15.41ppb Good	1.44ppb Good	19.73ppb Good	0.13ppm Good
Bloomingdale, Illinois	27 Good	4.69μg/m³ Good	20.02μg/m³ Good	21.41ppb Good	1.27ppb Good	17.02ppb Good	0.13ppm Good
Bloomington, Illinois	33 Good	5.63μg/m³ Good	24.14μg/m³ Good	25.89ppb Good	1.18ppb Good	13.39ppb Good	0.20ppm Good
Blue Island, Illinois	33 Good	6.05μg/m³ Good	26.32μg/m³ Good	12.18ppb Good	1.47ppb Good	24.21ppb Good	0.13ppm Good
Bolingbrook, Illinois	27 Good	4.70μg/m³ Good	21.68μg/m³ Good	18.46ppb Good	1.34ppb Good	19.13ppb Good	0.14ppm Good
Bourbonnais, Illinois	49 Good	8.60μg/m³ Good	31.27μg/m³ Good	13.12ppb Good	1.43ppb Good	16.31ppb Good	0.15ppm Good
Bradley, Illinois	44 Good	7.57μg/m³ Good	26.49μg/m³ Good	15.00ppb Good	1.44ppb Good	16.51ppb Good	0.15ppm Good
Bridgeview, Illinois	27 Good	4.89μg/m³ Good	21.34μg/m³ Good	12.59ppb Good	1.44ppb Good	20.96ppb Good	0.13ppm Good
Brookfield, Illinois	27 Good	4.71μg/m³ Good	20.51μg/m³ Good	14.03ppb Good	1.42ppb Good	19.75ppb Good	0.13ppm Good
Buffalo Grove, Illinois	22 Good	4.16μg/m³ Good	18.20μg/m³ Good	14.22ppb Good	1.22ppb Good	13.87ppb Good	0.12ppm Good
Burbank, Illinois	27 Good	5.11μg/m³ Good	22.16μg/m³ Good	11.88ppb Good	1.45ppb Good	21.54ppb Good	0.13ppm Good
Burr Ridge, Illinois	27 Good	4.77μg/m³ Good	21.65μg/m³ Good	17.00ppb Good	1.39ppb Good	20.13ppb Good	0.13ppm Good
Cahokia Heights, Illinois	38 Good	6.68μg/m³ Good	39.08μg/m³ Good	22.75ppb Good	0.55ppb Good	9.75ppb Good	0.27ppm Good
Calumet City, Illinois	44 Good	7.75μg/m³ Good	35.68μg/m³ Good	9.56ppb Good	1.43ppb Good	26.79ppb Good	0.13ppm Good
Campton Hills, Illinois	28 Good	4.66μg/m³ Good	19.99μg/m³ Good	30.01ppb Good	1.19ppb Good	12.48ppb Good	0.13ppm Good
Canton, Illinois	44 Good	7.80μg/m³ Good	29.28μg/m³ Good	23.34ppb Good	0.31ppb Good	4.96ppb Good	0.16ppm Good
Carbondale, Illinois	54 Moderate	11.28μg/m³ Good	46.03μg/m³ Good	34.69ppb Good	0.91ppb Good	5.43ppb Good	0.24ppm Good
Carol Stream, Illinois	27 Good	4.69μg/m³ Good	21.54μg/m³ Good	18.94ppb Good	1.29ppb Good	16.03ppb Good	0.14ppm Good
Carpentersville, Illinois	25 Good	4.11μg/m³ Good	18.35μg/m³ Good	26.90ppb Good	1.17ppb Good	12.70ppb Good	0.13ppm Good
Cary, Illinois	27 Good	3.80μg/m³ Good	17.00μg/m³ Good	29.00ppb Good	1.11ppb Good	11.65ppb Good	0.13ppm Good
Centralia, Illinois	44 Good	8.22μg/m³ Good	32.78μg/m³ Good	18.97ppb Good	0.61ppb Good	5.18ppb Good	0.21ppm Good
Champaign, Illinois	27 Good	4.96μg/m³ Good	20.15μg/m³ Good	19.66ppb Good	1.30ppb Good	15.29ppb Good	0.21ppm Good
Channahon, Illinois	22 Good	4.23μg/m³ Good	18.78μg/m³ Good	18.24ppb Good	1.35ppb Good	17.19ppb Good	0.14ppm Good
Charleston, Illinois	33 Good	5.70μg/m³ Good	23.38μg/m³ Good	29.11ppb Good	1.01ppb Good	11.66ppb Good	0.23ppm Good
Chatham, Illinois	44 Good	7.79μg/m³ Good	31.93μg/m³ Good	18.35ppb Good	0.67ppb Good	11.23ppb Good	0.22ppm Good
Chicago, Illinois	27 Good	4.99μg/m³ Good	21.39μg/m³ Good	15.60ppb Good	1.45ppb Good	20.04ppb Good	0.13ppm Good
Chicago Heights, Illinois	44 Good	7.53μg/m³ Good	34.35μg/m³ Good	10.32ppb Good	1.42ppb Good	26.18ppb Good	0.13ppm Good
Chicago Ridge, Illinois	27 Good	5.33μg/m³ Good	23.23μg/m³ Good	12.69ppb Good	1.45ppb Good	22.40ppb Good	0.13ppm Good
Cicero, Illinois	27 Good	5.19μg/m³ Good	22.95μg/m³ Good	16.95ppb Good	1.44ppb Good	19.52ppb Good	0.13ppm Good
Collinsville, Illinois	38 Good	6.36μg/m³ Good	41.14μg/m³ Good	32.74ppb Good	0.61ppb Good	9.48ppb Good	0.26ppm Good
Columbia, Illinois	33 Good	6.00μg/m³ Good	27.51μg/m³ Good	23.31ppb Good	0.64ppb Good	11.16ppb Good	0.25ppm Good
Country Club Hills, Illinois	52 Moderate	10.15μg/m³ Good	38.26μg/m³ Good	12.89ppb Good	1.49ppb Good	26.68ppb Good	0.13ppm Good
Crest Hill, Illinois	22 Good	4.16μg/m³ Good	18.33μg/m³ Good	14.78ppb Good	1.34ppb Good	18.18ppb Good	0.14ppm Good
Crestwood, Illinois	33 Good	5.62μg/m³ Good	24.63μg/m³ Good	13.68ppb Good	1.46ppb Good	23.60ppb Good	0.13ppm Good
Crystal Lake, Illinois	26 Good	3.87μg/m³ Good	17.35μg/m³ Good	28.47ppb Good	1.12ppb Good	11.83ppb Good	0.13ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.20ppm

How accurate is Illinois, USA air quality data?

The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

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 frequently does the air quality data for Illinois, USA get updated?

Air quality updates for Illinois, USA are available every hour.

What time in the past 24 hours saw the poorest air quality in Illinois, USA?

Illinois, USA experienced its worst air quality at 03:00:00, 2026-10-08.

When was air quality in Illinois, USA the best over the past 24 hours?

The best air quality in Illinois, USA was observed at 01:00:00 on 2026-10-07.

What is the air quality in Illinois, USA right now?

The air quality in Illinois, USA right now is Good, with an AQI of 33.

What pollutant is most frequently found in Illinois, USA?

In Illinois, USA, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Illinois, USA is poor?

When air quality in Illinois, USA is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Illinois, USA right now?

Illinois, USA currently has a PM_2.5 concentration of 6.028 μg/m³.

What is the current level of PM₁₀ in Illinois, USA?

Illinois, USA currently has a PM₁₀ concentration of 26.074 μg/m³.

What is the current level of carbon monoxide (CO) in Illinois, USA?

The current carbon monoxide (CO) level in Illinois, USA is 0.197 ppm.

What is the current level of sulfur dioxide (SO₂) in Illinois, USA?

The current sulfur dioxide (SO₂) concentration in Illinois, USA is 1.044 ppb.

What is the current level of ozone (O₃) in Illinois, USA?

Illinois, USA currently has an ozone (O₃) concentration of 21.165 ppm.

What is the current level of nitrogen dioxide (NO₂) in Illinois, USA?

The current level of nitrogen dioxide (NO₂) in Illinois, USA is 14.865 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-06T10:00:00.000Z	27 \| good	5.369 \| good	28.223 \| good	24.218 \| good	0.289 \| good	4.116 \| good	0.272 \| good
2026-10-06T11:00:00.000Z	27 \| good	5.201 \| good	20.289 \| good	20.181 \| good	0.521 \| good	5.092 \| good	0.322 \| good
2026-10-06T12:00:00.000Z	27 \| good	5.096 \| good	24.28 \| good	21.528 \| good	0.483 \| good	7.228 \| good	0.402 \| good
2026-10-06T13:00:00.000Z	27 \| good	5.136 \| good	19.118 \| good	20.551 \| good	0.407 \| good	6.406 \| good	0.503 \| good
2026-10-06T14:00:00.000Z	33 \| good	5.781 \| good	29.873 \| good	24.418 \| good	0.524 \| good	6.316 \| good	0.37 \| good
2026-10-06T15:00:00.000Z	27 \| good	5.279 \| good	27.925 \| good	21.222 \| good	0.748 \| good	5.546 \| good	0.231 \| good
2026-10-06T16:00:00.000Z	33 \| good	5.558 \| good	33.113 \| good	28.299 \| good	0.739 \| good	8.981 \| good	0.186 \| good
2026-10-06T17:00:00.000Z	28 \| good	5.032 \| good	20.754 \| good	30.371 \| good	0.952 \| good	6.911 \| good	0.202 \| good
2026-10-06T18:00:00.000Z	30 \| good	4.776 \| good	20.619 \| good	31.681 \| good	0.953 \| good	5.184 \| good	0.186 \| good
2026-10-06T19:00:00.000Z	32 \| good	5.222 \| good	20.263 \| good	35.017 \| good	0.651 \| good	6.906 \| good	0.186 \| good
2026-10-06T20:00:00.000Z	40 \| good	4.36 \| good	25.719 \| good	42.759 \| good	0.399 \| good	7.393 \| good	0.186 \| good
2026-10-06T21:00:00.000Z	38 \| good	4.173 \| good	18.436 \| good	40.854 \| good	0.41 \| good	6.648 \| good	0.199 \| good
2026-10-06T22:00:00.000Z	44 \| good	4.173 \| good	18.961 \| good	47.937 \| good	0.429 \| good	7.723 \| good	0.199 \| good
2026-10-06T23:00:00.000Z	45 \| good	4.47 \| good	21.278 \| good	49.066 \| good	0.347 \| good	5.382 \| good	0.199 \| good
2026-10-07T00:00:00.000Z	47 \| good	4.802 \| good	26.548 \| good	50.931 \| good	0.334 \| good	5.636 \| good	0.215 \| good
2026-10-07T01:00:00.000Z	44 \| good	5.629 \| good	25.168 \| good	47.033 \| good	0.676 \| good	6.612 \| good	0.297 \| good
2026-10-07T02:00:00.000Z	42 \| good	5.482 \| good	23.109 \| good	44.838 \| good	0.229 \| good	6.355 \| good	0.347 \| good
2026-10-07T03:00:00.000Z	49 \| good	9.17 \| good	41.025 \| good	35.563 \| good	1.026 \| good	4.102 \| good	0.166 \| good
2026-10-07T04:00:00.000Z	37 \| good	5.873 \| good	24.038 \| good	39.701 \| good	0.584 \| good	6.504 \| good	0.318 \| good
2026-10-07T05:00:00.000Z	37 \| good	5.973 \| good	25.39 \| good	40.104 \| good	0.469 \| good	7.264 \| good	0.252 \| good
2026-10-07T06:00:00.000Z	38 \| good	6.502 \| good	27.348 \| good	38.98 \| good	0.473 \| good	5.916 \| good	0.186 \| good
2026-10-07T07:00:00.000Z	34 \| good	5.577 \| good	25.826 \| good	36.664 \| good	0.487 \| good	9.552 \| good	0.162 \| good
2026-10-07T08:00:00.000Z	33 \| good	5.086 \| good	22.949 \| good	35.802 \| good	0.481 \| good	11.897 \| good	0.186 \| good
2026-10-07T09:00:00.000Z	31 \| good	5.076 \| good	20.828 \| good	33.039 \| good	0.385 \| good	11.829 \| good	0.186 \| good
2026-10-07T10:00:00.000Z	34 \| good	4.801 \| good	22.263 \| good	36.537 \| good	0.421 \| good	11.38 \| good	0.146 \| good
2026-10-07T11:00:00.000Z	30 \| good	5.281 \| good	24.16 \| good	31.892 \| good	0.385 \| good	13.303 \| good	0.199 \| good
2026-10-07T12:00:00.000Z	27 \| good	5.423 \| good	26.103 \| good	27.071 \| good	0.333 \| good	18.092 \| good	0.244 \| good
2026-10-07T13:00:00.000Z	27 \| good	4.992 \| good	24.16 \| good	27.752 \| good	0.364 \| good	14.146 \| good	0.244 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.574 \| good	24.031 \| good	32.26 \| good	0.495 \| good	11.683 \| good	0.261 \| good
2026-10-07T15:00:00.000Z	34 \| good	6.059 \| good	36.992 \| good	33.554 \| good	0.909 \| good	5.584 \| good	0.245 \| good
2026-10-07T16:00:00.000Z	38 \| good	6.992 \| good	36.361 \| good	33.232 \| good	0.84 \| good	6.626 \| good	0.245 \| good
2026-10-07T17:00:00.000Z	33 \| good	6.163 \| good	31.191 \| good	35.061 \| good	0.937 \| good	5.944 \| good	0.207 \| good
2026-10-07T18:00:00.000Z	33 \| good	6.315 \| good	28.261 \| good	33.853 \| good	0.495 \| good	6.315 \| good	0.176 \| good
2026-10-07T19:00:00.000Z	38 \| good	6.201 \| good	28.574 \| good	40.699 \| good	0.258 \| good	6.24 \| good	0.176 \| good
2026-10-07T20:00:00.000Z	41 \| good	6.146 \| good	26.025 \| good	43.907 \| good	0.294 \| good	6.24 \| good	0.176 \| good
2026-10-07T21:00:00.000Z	43 \| good	5.655 \| good	21.933 \| good	45.85 \| good	1.053 \| good	6.222 \| good	0.201 \| good
2026-10-07T22:00:00.000Z	40 \| good	5.788 \| good	23.371 \| good	42.849 \| good	0.633 \| good	5.538 \| good	0.192 \| good
2026-10-07T23:00:00.000Z	41 \| good	5.398 \| good	21.163 \| good	43.997 \| good	0.762 \| good	7.048 \| good	0.172 \| good
2026-10-08T00:00:00.000Z	40 \| good	5.27 \| good	21.966 \| good	43.341 \| good	0.3 \| good	6.192 \| good	0.262 \| good
2026-10-08T01:00:00.000Z	44 \| good	7.512 \| good	25.864 \| good	43.319 \| good	0.318 \| good	9.174 \| good	0.323 \| good
2026-10-08T02:00:00.000Z	52 \| moderate	9.802 \| good	38.599 \| good	37.238 \| good	0.35 \| good	10.675 \| good	0.215 \| good
2026-10-08T03:00:00.000Z	52 \| moderate	10.228 \| good	45.094 \| good	18.061 \| good	0.391 \| good	6.481 \| good	0.181 \| good
2026-10-08T04:00:00.000Z	40 \| good	6.916 \| good	42.52 \| good	25.852 \| good	0.301 \| good	8.571 \| good	0.199 \| good
2026-10-08T05:00:00.000Z	38 \| good	6.601 \| good	33.189 \| good	22.086 \| good	0.257 \| good	9.029 \| good	0.206 \| good
2026-10-08T06:00:00.000Z	44 \| good	7.504 \| good	28.802 \| good	20.922 \| good	0.315 \| good	14.871 \| good	0.186 \| good
2026-10-08T07:00:00.000Z	44 \| good	8.235 \| good	40.384 \| good	23.512 \| good	0.328 \| good	12.935 \| good	0.206 \| good
2026-10-08T08:00:00.000Z	38 \| good	6.9 \| good	34.994 \| good	25.778 \| good	0.388 \| good	12.403 \| good	0.161 \| good
2026-10-08T09:00:00.000Z	38 \| good	6.897 \| good	30.331 \| good	19.473 \| good	0.391 \| good	9.686 \| good	0.162 \| good
2026-10-08T09:00:00.000Z	33 \| good	5.708 \| good	25.005 \| good	18.775 \| good	1.656 \| good	13.091 \| good	0.159 \| good
2026-10-08T09:00:00.000Z	38 \| good	7.12 \| good	31.94 \| good	10.842 \| good	0.322 \| good	6.021 \| good	0.17 \| good
2026-10-08T10:00:00.000Z	22 \| good	3.706 \| good	15.971 \| good	9.121 \| good	0.308 \| good	6.157 \| good	0.169 \| good
2026-10-08T11:00:00.000Z	22 \| good	4.055 \| good	17.957 \| good	7.384 \| good	0.3 \| good	6.57 \| good	0.169 \| good
2026-10-08T12:00:00.000Z	16 \| good	2.622 \| good	10.961 \| good	6.045 \| good	0.309 \| good	7.407 \| good	0.173 \| good
2026-10-08T13:00:00.000Z	16 \| good	3.347 \| good	14.948 \| good	9.843 \| good	0.324 \| good	6.978 \| good	0.182 \| good
2026-10-08T14:00:00.000Z	27 \| good	4.999 \| good	21.105 \| good	22.783 \| good	0.332 \| good	5.197 \| good	0.179 \| good
2026-10-08T15:00:00.000Z	30 \| good	4.47 \| good	19.099 \| good	32.465 \| good	0.392 \| good	3.671 \| good	0.161 \| good
2026-10-08T16:00:00.000Z	32 \| good	4.946 \| good	21.075 \| good	34.732 \| good	0.526 \| good	2.442 \| good	0.146 \| good
2026-10-08T17:00:00.000Z	33 \| good	5.634 \| good	24.043 \| good	35.834 \| good	0.636 \| good	1.402 \| good	0.134 \| good
2026-10-08T18:00:00.000Z	35 \| good	5.957 \| good	26.833 \| good	38.39 \| good	0.678 \| good	0.974 \| good	0.129 \| good
2026-10-08T19:00:00.000Z	39 \| good	6.812 \| good	29.975 \| good	42.237 \| good	0.691 \| good	0.805 \| good	0.127 \| good
2026-10-08T20:00:00.000Z	43 \| good	6.535 \| good	28.931 \| good	45.692 \| good	0.7 \| good	0.754 \| good	0.125 \| good
2026-10-08T21:00:00.000Z	43 \| good	5.339 \| good	22.945 \| good	45.883 \| good	0.706 \| good	0.81 \| good	0.125 \| good
2026-10-08T22:00:00.000Z	41 \| good	3.534 \| good	15.812 \| good	44.183 \| good	0.711 \| good	1.062 \| good	0.126 \| good
2026-10-08T23:00:00.000Z	32 \| good	4.934 \| good	20.941 \| good	35.479 \| good	0.667 \| good	4.263 \| good	0.151 \| good
2026-10-09T00:00:00.000Z	31 \| good	4.865 \| good	21.061 \| good	32.529 \| good	0.719 \| good	9.668 \| good	0.19 \| good
2026-10-09T01:00:00.000Z	38 \| good	6.689 \| good	30.123 \| good	25.964 \| good	0.776 \| good	14.272 \| good	0.222 \| good
2026-10-09T02:00:00.000Z	44 \| good	8.489 \| good	37.341 \| good	22.509 \| good	0.829 \| good	18.054 \| good	0.245 \| good
2026-10-09T03:00:00.000Z	52 \| moderate	9.967 \| good	44.181 \| good	21.469 \| good	0.857 \| good	20.732 \| good	0.262 \| good
2026-10-09T04:00:00.000Z	52 \| moderate	10.284 \| good	45.134 \| good	17.994 \| good	0.842 \| good	21.858 \| good	0.271 \| good
2026-10-09T05:00:00.000Z	49 \| good	8.895 \| good	39.09 \| good	19.088 \| good	0.785 \| good	21.663 \| good	0.271 \| good
2026-10-09T06:00:00.000Z	44 \| good	7.787 \| good	34.066 \| good	20.146 \| good	0.711 \| good	20.011 \| good	0.263 \| good
2026-10-09T07:00:00.000Z	49 \| good	9.145 \| good	40.983 \| good	19.798 \| good	0.648 \| good	17.915 \| good	0.25 \| good
2026-10-09T08:00:00.000Z	54 \| moderate	10.662 \| good	47.028 \| good	17.53 \| good	0.598 \| good	15.332 \| good	0.233 \| good
2026-10-09T09:00:00.000Z	56 \| moderate	11.703 \| good	52.018 \| good	16.145 \| good	0.56 \| good	13.17 \| good	0.218 \| good
2026-10-09T10:00:00.000Z	38 \| good	7.124 \| good	31.965 \| good	18.243 \| good	0.525 \| good	11.721 \| good	0.207 \| good
2026-10-09T11:00:00.000Z	33 \| good	6.484 \| good	28.992 \| good	20.489 \| good	0.492 \| good	10.682 \| good	0.199 \| good
2026-10-09T12:00:00.000Z	22 \| good	4.118 \| good	18.066 \| good	19.837 \| good	0.471 \| good	9.983 \| good	0.194 \| good
2026-10-09T13:00:00.000Z	33 \| good	6.41 \| good	28.967 \| good	20.66 \| good	0.456 \| good	8.069 \| good	0.191 \| good
2026-10-09T14:00:00.000Z	38 \| good	6.7 \| good	29.964 \| good	23.601 \| good	0.437 \| good	6.295 \| good	0.193 \| good
2026-10-09T15:00:00.000Z	33 \| good	5.741 \| good	25.028 \| good	29.739 \| good	0.463 \| good	4.818 \| good	0.182 \| good
2026-10-09T16:00:00.000Z	38 \| good	6.942 \| good	30.998 \| good	37.293 \| good	0.526 \| good	3.406 \| good	0.168 \| good
2026-10-09T17:00:00.000Z	44 \| good	8.005 \| good	35.046 \| good	43.026 \| good	0.631 \| good	2.231 \| good	0.157 \| good
2026-10-09T18:00:00.000Z	49 \| good	9.441 \| good	42.045 \| good	48.446 \| good	0.739 \| good	1.486 \| good	0.149 \| good
2026-10-09T19:00:00.000Z	52 \| moderate	9.64 \| good	43.005 \| good	51.232 \| good	0.847 \| good	1.065 \| good	0.144 \| good
2026-10-09T20:00:00.000Z	52 \| moderate	9.916 \| good	44.027 \| good	53.519 \| good	0.911 \| good	0.901 \| good	0.144 \| good
2026-10-09T21:00:00.000Z	52 \| moderate	10.389 \| good	45.945 \| good	53.549 \| good	0.923 \| good	0.928 \| good	0.146 \| good
2026-10-09T22:00:00.000Z	52 \| moderate	10.07 \| good	44.932 \| good	53.794 \| good	0.87 \| good	1.532 \| good	0.151 \| good
2026-10-09T23:00:00.000Z	52 \| moderate	10.102 \| good	44.988 \| good	52.914 \| good	0.793 \| good	2.93 \| good	0.16 \| good
2026-10-10T00:00:00.000Z	52 \| moderate	10.491 \| good	46.1 \| good	50.814 \| good	0.724 \| good	3.994 \| good	0.166 \| good
2026-10-10T01:00:00.000Z	54 \| moderate	10.827 \| good	48.053 \| good	46.273 \| good	0.654 \| good	3.94 \| good	0.161 \| good
2026-10-10T02:00:00.000Z	56 \| moderate	12.248 \| fine	55.064 \| fine	41.669 \| good	0.599 \| good	3.772 \| good	0.155 \| good
2026-10-10T03:00:00.000Z	58 \| moderate	13.192 \| fine	59.101 \| fine	38.863 \| good	0.578 \| good	3.472 \| good	0.148 \| good
2026-10-10T04:00:00.000Z	56 \| moderate	11.681 \| good	51.149 \| good	37.712 \| good	0.598 \| good	3.219 \| good	0.144 \| good
2026-10-10T05:00:00.000Z	54 \| moderate	10.956 \| good	48.101 \| good	34.466 \| good	0.633 \| good	3.115 \| good	0.142 \| good
2026-10-10T06:00:00.000Z	52 \| moderate	9.863 \| good	43.998 \| good	29.933 \| good	0.667 \| good	3.06 \| good	0.143 \| good
2026-10-10T07:00:00.000Z	52 \| moderate	10.279 \| good	45.069 \| good	28.208 \| good	0.7 \| good	3.017 \| good	0.144 \| good
2026-10-10T08:00:00.000Z	52 \| moderate	9.7 \| good	43.048 \| good	28.648 \| good	0.726 \| good	3.027 \| good	0.145 \| good

Current air quality index in Illinois, USA today

Common air pollutants in Illinois, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Illinois, USA air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Illinois, USA

Air quality in cities of Illinois, USA

Air quality in nearby states

Indiana, USA

Iowa, USA

Wisconsin, USA

Missouri, USA

Michigan, USA

Kentucky, USA

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Illinois, USA get updated?

What time in the past 24 hours saw the poorest air quality in Illinois, USA?

When was air quality in Illinois, USA the best over the past 24 hours?

What is the air quality in Illinois, USA right now?

What pollutant is most frequently found in Illinois, USA?

What can I do if the air quality in Illinois, USA is poor?

What is the PM2.5 concentration in Illinois, USA right now?

What is the current level of PM10 in Illinois, USA?

What is the current level of carbon monoxide (CO) in Illinois, USA?

What is the current level of sulfur dioxide (SO2) in Illinois, USA?

What is the current level of ozone (O3) in Illinois, USA?

What is the current level of nitrogen dioxide (NO2) in Illinois, USA?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Illinois, USA right now?

What is the current level of PM₁₀ in Illinois, USA?

What is the current level of sulfur dioxide (SO₂) in Illinois, USA?

What is the current level of ozone (O₃) in Illinois, USA?

What is the current level of nitrogen dioxide (NO₂) in Illinois, USA?