What is the current concentration of PM10 in Lemont, Illinois?

The current PM10 concentration at Lemont, Illinois is 17.019 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Lemont, Illinois?

The current sulfur dioxide (SO2) concentration at Lemont, Illinois is 0.471 ppb.

What is the current concentration of ozone (O3) in Lemont, Illinois?

The current ozone (O3) concentration at Lemont, Illinois is 21 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Lemont, Illinois?

The current nitrogen dioxide (NO2) concentration at Lemont, Illinois is 3.589 ppb.

Lemont, Illinois live air quality index now

Q: What is the current concentration of PM2.5 in Lemont, Illinois?

The current PM2.5 concentration at Lemont, Illinois is 3.997 μg/m3.

Stay updated with real-time air quality in Lemont, 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

Lemont, Illinois

Last updated: ... (Local time)

Major air pollutants in Lemont, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.02 μg/m³

155

255

425

605+

Ozone (O₃)

21.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Lemont, Illinois

Get Live Pollen Counts

Lemont, Illinois

Scroll To Air Quality Map

Track live Lemont, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-12T12:00:00.000Z	33 \| good	3.441 \| good	14.273 \| good	36 \| good	0.408 \| good	10.516 \| good	0.172 \| good
2026-06-12T13:00:00.000Z	30 \| good	3.313 \| good	13.189 \| good	32 \| good	0.372 \| good	8.526 \| good	0.186 \| good
2026-06-12T14:00:00.000Z	32 \| good	3.291 \| good	16.407 \| good	35 \| good	0.37 \| good	5.892 \| good	0.172 \| good
2026-06-12T15:00:00.000Z	34 \| good	3.943 \| good	17.442 \| good	37 \| good	0.35 \| good	5.506 \| good	0.172 \| good
2026-06-12T16:00:00.000Z	34 \| good	3.4 \| good	14.261 \| good	37 \| good	0.392 \| good	4.978 \| good	0.147 \| good
2026-06-12T17:00:00.000Z	36 \| good	3.405 \| good	15.35 \| good	39 \| good	0.373 \| good	4.028 \| good	0.147 \| good
2026-06-12T18:00:00.000Z	38 \| good	3.282 \| good	15.262 \| good	41 \| good	0.477 \| good	2.718 \| good	0.163 \| good
2026-06-12T19:00:00.000Z	40 \| good	3.316 \| good	15.026 \| good	43 \| good	0.436 \| good	2.84 \| good	0.194 \| good
2026-06-12T20:00:00.000Z	42 \| good	3.15 \| good	14.006 \| good	45 \| good	0.482 \| good	2.743 \| good	0.147 \| good
2026-06-12T21:00:00.000Z	40 \| good	3.042 \| good	13.978 \| good	43 \| good	0.489 \| good	2.805 \| good	0.194 \| good
2026-06-12T22:00:00.000Z	40 \| good	2.988 \| good	13.504 \| good	43 \| good	0.521 \| good	3.773 \| good	0.226 \| good
2026-06-12T23:00:00.000Z	38 \| good	2.586 \| good	12.434 \| good	41 \| good	0.56 \| good	3.324 \| good	0.226 \| good
2026-06-13T00:00:00.000Z	41 \| good	2.835 \| good	12.202 \| good	44 \| good	0.559 \| good	4.226 \| good	0.194 \| good
2026-06-13T01:00:00.000Z	42 \| good	2.899 \| good	12.975 \| good	45 \| good	0.495 \| good	4.183 \| good	0.21 \| good
2026-06-13T02:00:00.000Z	37 \| good	3.35 \| good	12.28 \| good	40 \| good	0.494 \| good	4.216 \| good	0.242 \| good
2026-06-13T03:00:00.000Z	34 \| good	3.677 \| good	16.656 \| good	37 \| good	0.54 \| good	10.477 \| good	0.335 \| good
2026-06-13T04:00:00.000Z	34 \| good	4.257 \| good	18.747 \| good	37 \| good	0.579 \| good	15.891 \| good	0.304 \| good
2026-06-13T05:00:00.000Z	31 \| good	5.04 \| good	24.621 \| good	34 \| good	0.671 \| good	22.965 \| good	0.272 \| good
2026-06-13T06:00:00.000Z	33 \| good	5.645 \| good	25.692 \| good	31 \| good	0.627 \| good	13.592 \| good	0.258 \| good
2026-06-13T07:00:00.000Z	28 \| good	5.054 \| good	21.198 \| good	30 \| good	0.603 \| good	14.319 \| good	0.172 \| good
2026-06-13T08:00:00.000Z	38 \| good	6.975 \| good	18.734 \| good	28 \| good	0.555 \| good	12.226 \| good	0.272 \| good
2026-06-13T09:00:00.000Z	23 \| good	4.367 \| good	21.156 \| good	25 \| good	0.525 \| good	7.362 \| good	0.214 \| good
2026-06-13T10:00:00.000Z	33 \| good	5.83 \| good	17.184 \| good	24 \| good	0.61 \| good	7.136 \| good	0.229 \| good
2026-06-13T11:00:00.000Z	22 \| good	4.092 \| good	16.633 \| good	22 \| good	0.579 \| good	6.411 \| good	0.258 \| good
2026-06-13T12:00:00.000Z	22 \| good	4.261 \| good	17.239 \| good	20 \| good	0.554 \| good	7.034 \| good	0.286 \| good
2026-06-13T13:00:00.000Z	27 \| good	4.651 \| good	21.449 \| good	19 \| good	0.579 \| good	5.664 \| good	0.258 \| good
2026-06-13T14:00:00.000Z	22 \| good	3.461 \| good	13.735 \| good	24 \| good	0.62 \| good	3.101 \| good	0.241 \| good
2026-06-13T15:00:00.000Z	26 \| good	3.892 \| good	18.439 \| good	28 \| good	0.592 \| good	2.71 \| good	0.225 \| good
2026-06-13T16:00:00.000Z	31 \| good	3.562 \| good	13.493 \| good	34 \| good	0.524 \| good	2.876 \| good	0.21 \| good
2026-06-13T17:00:00.000Z	32 \| good	3.352 \| good	13.865 \| good	35 \| good	0.442 \| good	2.919 \| good	0.187 \| good
2026-06-13T18:00:00.000Z	34 \| good	3.22 \| good	14.037 \| good	37 \| good	0.566 \| good	1.925 \| good	0.172 \| good
2026-06-13T19:00:00.000Z	39 \| good	3.377 \| good	14.223 \| good	42 \| good	0.569 \| good	2.807 \| good	0.187 \| good
2026-06-13T20:00:00.000Z	42 \| good	3.629 \| good	16.556 \| good	45 \| good	0.522 \| good	2.982 \| good	0.187 \| good
2026-06-13T21:00:00.000Z	44 \| good	4.044 \| good	18.136 \| good	47 \| good	0.482 \| good	1.973 \| good	0.187 \| good
2026-06-13T22:00:00.000Z	44 \| good	4.46 \| good	17.85 \| good	48 \| good	0.534 \| good	2.799 \| good	0.187 \| good
2026-06-13T23:00:00.000Z	42 \| good	4.468 \| good	19.339 \| good	45 \| good	0.452 \| good	3.011 \| good	0.172 \| good
2026-06-14T00:00:00.000Z	42 \| good	5.274 \| good	21.218 \| good	45 \| good	0.449 \| good	3.207 \| good	0.201 \| good
2026-06-14T01:00:00.000Z	42 \| good	5.225 \| good	24.552 \| good	45 \| good	0.38 \| good	2.821 \| good	0.23 \| good
2026-06-14T02:00:00.000Z	44 \| good	5.587 \| good	23.655 \| good	47 \| good	0.403 \| good	3.177 \| good	0.215 \| good
2026-06-14T03:00:00.000Z	38 \| good	6.187 \| good	28.737 \| good	41 \| good	0.478 \| good	3.939 \| good	0.186 \| good
2026-06-14T04:00:00.000Z	38 \| good	6.753 \| good	26.784 \| good	41 \| good	0.482 \| good	4.195 \| good	0.186 \| good
2026-06-14T05:00:00.000Z	37 \| good	6.292 \| good	27.939 \| good	40 \| good	0.461 \| good	7.818 \| good	0.186 \| good
2026-06-14T06:00:00.000Z	33 \| good	5.907 \| good	27.981 \| good	35 \| good	0.431 \| good	10.27 \| good	0.157 \| good
2026-06-14T07:00:00.000Z	33 \| good	4.408 \| good	17.001 \| good	36 \| good	0.426 \| good	8.643 \| good	0.157 \| good
2026-06-14T08:00:00.000Z	26 \| good	4.079 \| good	17.452 \| good	28 \| good	0.391 \| good	8.426 \| good	0.157 \| good
2026-06-14T09:00:00.000Z	25 \| good	3.811 \| good	16.31 \| good	27 \| good	0.42 \| good	4.323 \| good	0.157 \| good
2026-06-14T10:00:00.000Z	22 \| good	3.997 \| good	17.019 \| good	21 \| good	0.471 \| good	3.589 \| good	0.143 \| good
2026-06-14T11:00:00.000Z	22 \| good	3.997 \| good	17.019 \| good	21 \| good	0.471 \| good	3.589 \| good	0.143 \| good
2026-06-14T12:00:00.000Z	22 \| good	0.863 \| good	3.144 \| good	24.047 \| good	0.353 \| good	3.604 \| good	0.122 \| good
2026-06-14T13:00:00.000Z	25 \| good	0.439 \| good	1.695 \| good	27.096 \| good	0.372 \| good	3.587 \| good	0.119 \| good
2026-06-14T14:00:00.000Z	26 \| good	1.011 \| good	4.15 \| good	28.449 \| good	0.441 \| good	3.115 \| good	0.12 \| good
2026-06-14T15:00:00.000Z	28 \| good	2.802 \| good	11.76 \| good	29.671 \| good	0.434 \| good	1.895 \| good	0.118 \| good
2026-06-14T16:00:00.000Z	29 \| good	3.85 \| good	16.687 \| good	30.754 \| good	0.359 \| good	1.158 \| good	0.114 \| good
2026-06-14T17:00:00.000Z	27 \| good	3.827 \| good	16.987 \| good	29.4 \| good	0.268 \| good	0.84 \| good	0.109 \| good
2026-06-14T18:00:00.000Z	27 \| good	3.976 \| good	17.187 \| good	28.589 \| good	0.223 \| good	0.765 \| good	0.106 \| good
2026-06-14T19:00:00.000Z	31 \| good	4.515 \| good	19.463 \| good	33.176 \| good	0.206 \| good	0.771 \| good	0.106 \| good
2026-06-14T20:00:00.000Z	37 \| good	2.806 \| good	11.787 \| good	39.96 \| good	0.199 \| good	0.819 \| good	0.106 \| good
2026-06-14T21:00:00.000Z	39 \| good	1.336 \| good	5.629 \| good	41.985 \| good	0.196 \| good	0.848 \| good	0.107 \| good
2026-06-14T22:00:00.000Z	41 \| good	0.975 \| good	3.744 \| good	44.26 \| good	0.199 \| good	0.893 \| good	0.106 \| good
2026-06-14T23:00:00.000Z	39 \| good	0.948 \| good	3.68 \| good	41.643 \| good	0.216 \| good	1.009 \| good	0.105 \| good
2026-06-15T00:00:00.000Z	35 \| good	1.069 \| good	4.335 \| good	38.01 \| good	0.244 \| good	1.544 \| good	0.106 \| good
2026-06-15T01:00:00.000Z	28 \| good	2.855 \| good	11.617 \| good	30.069 \| good	0.306 \| good	3.253 \| good	0.112 \| good
2026-06-15T02:00:00.000Z	26 \| good	2.844 \| good	11.427 \| good	27.521 \| good	0.375 \| good	5.645 \| good	0.12 \| good
2026-06-15T03:00:00.000Z	24 \| good	3.644 \| good	16.068 \| good	26.308 \| good	0.445 \| good	7.92 \| good	0.127 \| good
2026-06-15T04:00:00.000Z	23 \| good	3.803 \| good	16.837 \| good	24.895 \| good	0.504 \| good	10.993 \| good	0.138 \| good
2026-06-15T05:00:00.000Z	22 \| good	3.902 \| good	17.074 \| good	23.85 \| good	0.52 \| good	13.174 \| good	0.149 \| good
2026-06-15T06:00:00.000Z	27 \| good	4.609 \| good	19.95 \| good	24.728 \| good	0.504 \| good	13.359 \| good	0.154 \| good
2026-06-15T07:00:00.000Z	27 \| good	4.586 \| good	20.154 \| good	22.014 \| good	0.491 \| good	13.266 \| good	0.155 \| good
2026-06-15T08:00:00.000Z	22 \| good	4.055 \| good	17.922 \| good	18.82 \| good	0.465 \| good	12.947 \| good	0.154 \| good
2026-06-15T09:00:00.000Z	17 \| good	2.443 \| good	9.926 \| good	17.94 \| good	0.425 \| good	12.263 \| good	0.151 \| good
2026-06-15T10:00:00.000Z	15 \| good	0.843 \| good	3.398 \| good	16.238 \| good	0.383 \| good	11.238 \| good	0.148 \| good
2026-06-15T11:00:00.000Z	18 \| good	1.503 \| good	5.923 \| good	18.732 \| good	0.341 \| good	9.573 \| good	0.145 \| good
2026-06-15T12:00:00.000Z	21 \| good	1.589 \| good	6.401 \| good	22.77 \| good	0.309 \| good	6.95 \| good	0.147 \| good
2026-06-15T13:00:00.000Z	28 \| good	1.627 \| good	6.423 \| good	30.272 \| good	0.291 \| good	5.227 \| good	0.139 \| good
2026-06-15T14:00:00.000Z	30 \| good	2 \| good	8 \| good	32.033 \| good	0.359 \| good	3.284 \| good	0.124 \| good
2026-06-15T15:00:00.000Z	32 \| good	2.79 \| good	11.387 \| good	34.985 \| good	0.431 \| good	1.997 \| good	0.114 \| good
2026-06-15T16:00:00.000Z	37 \| good	1.904 \| good	7.9 \| good	39.904 \| good	0.439 \| good	1.387 \| good	0.109 \| good
2026-06-15T17:00:00.000Z	41 \| good	0.942 \| good	3.637 \| good	44.007 \| good	0.371 \| good	1 \| good	0.103 \| good
2026-06-15T18:00:00.000Z	40 \| good	1.102 \| good	4.742 \| good	43.42 \| good	0.35 \| good	0.851 \| good	0.101 \| good
2026-06-15T19:00:00.000Z	38 \| good	0.894 \| good	3.583 \| good	40.533 \| good	0.338 \| good	0.822 \| good	0.1 \| good
2026-06-15T20:00:00.000Z	35 \| good	0.625 \| good	2.178 \| good	37.944 \| good	0.323 \| good	0.842 \| good	0.1 \| good
2026-06-15T21:00:00.000Z	31 \| good	0.363 \| good	1.164 \| good	32.72 \| good	0.312 \| good	0.892 \| good	0.1 \| good
2026-06-15T22:00:00.000Z	28 \| good	0.666 \| good	2.278 \| good	30.226 \| good	0.317 \| good	1.07 \| good	0.101 \| good
2026-06-15T23:00:00.000Z	31 \| good	0.812 \| good	2.922 \| good	33.005 \| good	0.334 \| good	1.486 \| good	0.103 \| good
2026-06-16T00:00:00.000Z	27 \| good	1.463 \| good	5.922 \| good	28.79 \| good	0.364 \| good	2.653 \| good	0.109 \| good
2026-06-16T01:00:00.000Z	22 \| good	4.214 \| good	18.601 \| good	19.731 \| good	0.408 \| good	5.546 \| good	0.122 \| good
2026-06-16T02:00:00.000Z	33 \| good	5.553 \| good	23.792 \| good	23.838 \| good	0.429 \| good	8.876 \| good	0.136 \| good
2026-06-16T03:00:00.000Z	33 \| good	5.74 \| good	25.02 \| good	25.241 \| good	0.419 \| good	10.216 \| good	0.14 \| good
2026-06-16T04:00:00.000Z	33 \| good	6.403 \| good	28.443 \| good	23.877 \| good	0.395 \| good	10.749 \| good	0.143 \| good
2026-06-16T05:00:00.000Z	38 \| good	6.717 \| good	29.82 \| good	26.005 \| good	0.354 \| good	10.109 \| good	0.143 \| good
2026-06-16T06:00:00.000Z	33 \| good	5.578 \| good	5.712 \| good	22.16 \| good	0.307 \| good	8.95 \| good	0.141 \| good
2026-06-16T07:00:00.000Z	38 \| good	6.551 \| good	29.592 \| good	28.542 \| good	0.291 \| good	8.35 \| good	0.138 \| good
2026-06-16T08:00:00.000Z	38 \| good	6.963 \| good	31.136 \| good	26.26 \| good	0.287 \| good	8.161 \| good	0.138 \| good
2026-06-16T09:00:00.000Z	33 \| good	6.378 \| good	28.545 \| good	21.042 \| good	0.291 \| good	8.239 \| good	0.138 \| good
2026-06-16T10:00:00.000Z	17 \| good	2.108 \| good	8.6 \| good	17.992 \| good	0.3 \| good	8.381 \| good	0.138 \| good
2026-06-16T11:00:00.000Z	19 \| good	2.472 \| good	9.923 \| good	19.585 \| good	0.307 \| good	7.855 \| good	0.138 \| good

Lemont

Get reliable air quality data to drive your business

Lemont, Illinois air quality map: Track AQI near you

0.14ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable 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 often is the air quality data for Lemont, Illinois updated?

The air quality for Lemont, Illinois is updated every hour.

When was the worst air quality at Lemont, Illinois in the last 24 hrs?

The worst air quality in Lemont, Illinois in the last 24 hours was observed at 02:00:00 on 2026-06-14.

When was the best air quality at Lemont, Illinois in the last 24 hrs?

In the last 24 hrs, the best air quality in Lemont, Illinois was observed at 10:00:00 on 2026-06-14.

What is the current air quality in Lemont, Illinois?

The current air quality in Lemont, Illinois is 22, categorized as Good based on real-time data.

What pollutant is the most common in Lemont, Illinois?

The most common pollutant in Lemont, Illinois is PM2.5.

What should I do if the air quality in Lemont, Illinois is poor?

If the air quality in Lemont, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Lemont, Illinois?

The current PM_2.5 concentration at Lemont, Illinois is 3.997 μg/m³.

What is the current concentration of PM₁₀ in Lemont, Illinois?

The current PM₁₀ concentration at Lemont, Illinois is 17.019 μg/m³.

What is the current concentration of carbon monoxide (CO) in Lemont, Illinois?

The current carbon monoxide (CO) concentration at Lemont, Illinois is 0.143 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Lemont, Illinois?

The current sulfur dioxide (SO₂) concentration at Lemont, Illinois is 0.471 ppb.

What is the current concentration of ozone (O₃) in Lemont, Illinois?

The current ozone (O₃) concentration at Lemont, Illinois is 21 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Lemont, Illinois?

The current nitrogen dioxide (NO₂) concentration at Lemont, Illinois is 3.589 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-12T12:00:00.000Z	33 \| good	3.441 \| good	14.273 \| good	36 \| good	0.408 \| good	10.516 \| good	0.172 \| good
2026-06-12T13:00:00.000Z	30 \| good	3.313 \| good	13.189 \| good	32 \| good	0.372 \| good	8.526 \| good	0.186 \| good
2026-06-12T14:00:00.000Z	32 \| good	3.291 \| good	16.407 \| good	35 \| good	0.37 \| good	5.892 \| good	0.172 \| good
2026-06-12T15:00:00.000Z	34 \| good	3.943 \| good	17.442 \| good	37 \| good	0.35 \| good	5.506 \| good	0.172 \| good
2026-06-12T16:00:00.000Z	34 \| good	3.4 \| good	14.261 \| good	37 \| good	0.392 \| good	4.978 \| good	0.147 \| good
2026-06-12T17:00:00.000Z	36 \| good	3.405 \| good	15.35 \| good	39 \| good	0.373 \| good	4.028 \| good	0.147 \| good
2026-06-12T18:00:00.000Z	38 \| good	3.282 \| good	15.262 \| good	41 \| good	0.477 \| good	2.718 \| good	0.163 \| good
2026-06-12T19:00:00.000Z	40 \| good	3.316 \| good	15.026 \| good	43 \| good	0.436 \| good	2.84 \| good	0.194 \| good
2026-06-12T20:00:00.000Z	42 \| good	3.15 \| good	14.006 \| good	45 \| good	0.482 \| good	2.743 \| good	0.147 \| good
2026-06-12T21:00:00.000Z	40 \| good	3.042 \| good	13.978 \| good	43 \| good	0.489 \| good	2.805 \| good	0.194 \| good
2026-06-12T22:00:00.000Z	40 \| good	2.988 \| good	13.504 \| good	43 \| good	0.521 \| good	3.773 \| good	0.226 \| good
2026-06-12T23:00:00.000Z	38 \| good	2.586 \| good	12.434 \| good	41 \| good	0.56 \| good	3.324 \| good	0.226 \| good
2026-06-13T00:00:00.000Z	41 \| good	2.835 \| good	12.202 \| good	44 \| good	0.559 \| good	4.226 \| good	0.194 \| good
2026-06-13T01:00:00.000Z	42 \| good	2.899 \| good	12.975 \| good	45 \| good	0.495 \| good	4.183 \| good	0.21 \| good
2026-06-13T02:00:00.000Z	37 \| good	3.35 \| good	12.28 \| good	40 \| good	0.494 \| good	4.216 \| good	0.242 \| good
2026-06-13T03:00:00.000Z	34 \| good	3.677 \| good	16.656 \| good	37 \| good	0.54 \| good	10.477 \| good	0.335 \| good
2026-06-13T04:00:00.000Z	34 \| good	4.257 \| good	18.747 \| good	37 \| good	0.579 \| good	15.891 \| good	0.304 \| good
2026-06-13T05:00:00.000Z	31 \| good	5.04 \| good	24.621 \| good	34 \| good	0.671 \| good	22.965 \| good	0.272 \| good
2026-06-13T06:00:00.000Z	33 \| good	5.645 \| good	25.692 \| good	31 \| good	0.627 \| good	13.592 \| good	0.258 \| good
2026-06-13T07:00:00.000Z	28 \| good	5.054 \| good	21.198 \| good	30 \| good	0.603 \| good	14.319 \| good	0.172 \| good
2026-06-13T08:00:00.000Z	38 \| good	6.975 \| good	18.734 \| good	28 \| good	0.555 \| good	12.226 \| good	0.272 \| good
2026-06-13T09:00:00.000Z	23 \| good	4.367 \| good	21.156 \| good	25 \| good	0.525 \| good	7.362 \| good	0.214 \| good
2026-06-13T10:00:00.000Z	33 \| good	5.83 \| good	17.184 \| good	24 \| good	0.61 \| good	7.136 \| good	0.229 \| good
2026-06-13T11:00:00.000Z	22 \| good	4.092 \| good	16.633 \| good	22 \| good	0.579 \| good	6.411 \| good	0.258 \| good
2026-06-13T12:00:00.000Z	22 \| good	4.261 \| good	17.239 \| good	20 \| good	0.554 \| good	7.034 \| good	0.286 \| good
2026-06-13T13:00:00.000Z	27 \| good	4.651 \| good	21.449 \| good	19 \| good	0.579 \| good	5.664 \| good	0.258 \| good
2026-06-13T14:00:00.000Z	22 \| good	3.461 \| good	13.735 \| good	24 \| good	0.62 \| good	3.101 \| good	0.241 \| good
2026-06-13T15:00:00.000Z	26 \| good	3.892 \| good	18.439 \| good	28 \| good	0.592 \| good	2.71 \| good	0.225 \| good
2026-06-13T16:00:00.000Z	31 \| good	3.562 \| good	13.493 \| good	34 \| good	0.524 \| good	2.876 \| good	0.21 \| good
2026-06-13T17:00:00.000Z	32 \| good	3.352 \| good	13.865 \| good	35 \| good	0.442 \| good	2.919 \| good	0.187 \| good
2026-06-13T18:00:00.000Z	34 \| good	3.22 \| good	14.037 \| good	37 \| good	0.566 \| good	1.925 \| good	0.172 \| good
2026-06-13T19:00:00.000Z	39 \| good	3.377 \| good	14.223 \| good	42 \| good	0.569 \| good	2.807 \| good	0.187 \| good
2026-06-13T20:00:00.000Z	42 \| good	3.629 \| good	16.556 \| good	45 \| good	0.522 \| good	2.982 \| good	0.187 \| good
2026-06-13T21:00:00.000Z	44 \| good	4.044 \| good	18.136 \| good	47 \| good	0.482 \| good	1.973 \| good	0.187 \| good
2026-06-13T22:00:00.000Z	44 \| good	4.46 \| good	17.85 \| good	48 \| good	0.534 \| good	2.799 \| good	0.187 \| good
2026-06-13T23:00:00.000Z	42 \| good	4.468 \| good	19.339 \| good	45 \| good	0.452 \| good	3.011 \| good	0.172 \| good
2026-06-14T00:00:00.000Z	42 \| good	5.274 \| good	21.218 \| good	45 \| good	0.449 \| good	3.207 \| good	0.201 \| good
2026-06-14T01:00:00.000Z	42 \| good	5.225 \| good	24.552 \| good	45 \| good	0.38 \| good	2.821 \| good	0.23 \| good
2026-06-14T02:00:00.000Z	44 \| good	5.587 \| good	23.655 \| good	47 \| good	0.403 \| good	3.177 \| good	0.215 \| good
2026-06-14T03:00:00.000Z	38 \| good	6.187 \| good	28.737 \| good	41 \| good	0.478 \| good	3.939 \| good	0.186 \| good
2026-06-14T04:00:00.000Z	38 \| good	6.753 \| good	26.784 \| good	41 \| good	0.482 \| good	4.195 \| good	0.186 \| good
2026-06-14T05:00:00.000Z	37 \| good	6.292 \| good	27.939 \| good	40 \| good	0.461 \| good	7.818 \| good	0.186 \| good
2026-06-14T06:00:00.000Z	33 \| good	5.907 \| good	27.981 \| good	35 \| good	0.431 \| good	10.27 \| good	0.157 \| good
2026-06-14T07:00:00.000Z	33 \| good	4.408 \| good	17.001 \| good	36 \| good	0.426 \| good	8.643 \| good	0.157 \| good
2026-06-14T08:00:00.000Z	26 \| good	4.079 \| good	17.452 \| good	28 \| good	0.391 \| good	8.426 \| good	0.157 \| good
2026-06-14T09:00:00.000Z	25 \| good	3.811 \| good	16.31 \| good	27 \| good	0.42 \| good	4.323 \| good	0.157 \| good
2026-06-14T10:00:00.000Z	22 \| good	3.997 \| good	17.019 \| good	21 \| good	0.471 \| good	3.589 \| good	0.143 \| good
2026-06-14T11:00:00.000Z	22 \| good	3.997 \| good	17.019 \| good	21 \| good	0.471 \| good	3.589 \| good	0.143 \| good
2026-06-14T12:00:00.000Z	22 \| good	0.863 \| good	3.144 \| good	24.047 \| good	0.353 \| good	3.604 \| good	0.122 \| good
2026-06-14T13:00:00.000Z	25 \| good	0.439 \| good	1.695 \| good	27.096 \| good	0.372 \| good	3.587 \| good	0.119 \| good
2026-06-14T14:00:00.000Z	26 \| good	1.011 \| good	4.15 \| good	28.449 \| good	0.441 \| good	3.115 \| good	0.12 \| good
2026-06-14T15:00:00.000Z	28 \| good	2.802 \| good	11.76 \| good	29.671 \| good	0.434 \| good	1.895 \| good	0.118 \| good
2026-06-14T16:00:00.000Z	29 \| good	3.85 \| good	16.687 \| good	30.754 \| good	0.359 \| good	1.158 \| good	0.114 \| good
2026-06-14T17:00:00.000Z	27 \| good	3.827 \| good	16.987 \| good	29.4 \| good	0.268 \| good	0.84 \| good	0.109 \| good
2026-06-14T18:00:00.000Z	27 \| good	3.976 \| good	17.187 \| good	28.589 \| good	0.223 \| good	0.765 \| good	0.106 \| good
2026-06-14T19:00:00.000Z	31 \| good	4.515 \| good	19.463 \| good	33.176 \| good	0.206 \| good	0.771 \| good	0.106 \| good
2026-06-14T20:00:00.000Z	37 \| good	2.806 \| good	11.787 \| good	39.96 \| good	0.199 \| good	0.819 \| good	0.106 \| good
2026-06-14T21:00:00.000Z	39 \| good	1.336 \| good	5.629 \| good	41.985 \| good	0.196 \| good	0.848 \| good	0.107 \| good
2026-06-14T22:00:00.000Z	41 \| good	0.975 \| good	3.744 \| good	44.26 \| good	0.199 \| good	0.893 \| good	0.106 \| good
2026-06-14T23:00:00.000Z	39 \| good	0.948 \| good	3.68 \| good	41.643 \| good	0.216 \| good	1.009 \| good	0.105 \| good
2026-06-15T00:00:00.000Z	35 \| good	1.069 \| good	4.335 \| good	38.01 \| good	0.244 \| good	1.544 \| good	0.106 \| good
2026-06-15T01:00:00.000Z	28 \| good	2.855 \| good	11.617 \| good	30.069 \| good	0.306 \| good	3.253 \| good	0.112 \| good
2026-06-15T02:00:00.000Z	26 \| good	2.844 \| good	11.427 \| good	27.521 \| good	0.375 \| good	5.645 \| good	0.12 \| good
2026-06-15T03:00:00.000Z	24 \| good	3.644 \| good	16.068 \| good	26.308 \| good	0.445 \| good	7.92 \| good	0.127 \| good
2026-06-15T04:00:00.000Z	23 \| good	3.803 \| good	16.837 \| good	24.895 \| good	0.504 \| good	10.993 \| good	0.138 \| good
2026-06-15T05:00:00.000Z	22 \| good	3.902 \| good	17.074 \| good	23.85 \| good	0.52 \| good	13.174 \| good	0.149 \| good
2026-06-15T06:00:00.000Z	27 \| good	4.609 \| good	19.95 \| good	24.728 \| good	0.504 \| good	13.359 \| good	0.154 \| good
2026-06-15T07:00:00.000Z	27 \| good	4.586 \| good	20.154 \| good	22.014 \| good	0.491 \| good	13.266 \| good	0.155 \| good
2026-06-15T08:00:00.000Z	22 \| good	4.055 \| good	17.922 \| good	18.82 \| good	0.465 \| good	12.947 \| good	0.154 \| good
2026-06-15T09:00:00.000Z	17 \| good	2.443 \| good	9.926 \| good	17.94 \| good	0.425 \| good	12.263 \| good	0.151 \| good
2026-06-15T10:00:00.000Z	15 \| good	0.843 \| good	3.398 \| good	16.238 \| good	0.383 \| good	11.238 \| good	0.148 \| good
2026-06-15T11:00:00.000Z	18 \| good	1.503 \| good	5.923 \| good	18.732 \| good	0.341 \| good	9.573 \| good	0.145 \| good
2026-06-15T12:00:00.000Z	21 \| good	1.589 \| good	6.401 \| good	22.77 \| good	0.309 \| good	6.95 \| good	0.147 \| good
2026-06-15T13:00:00.000Z	28 \| good	1.627 \| good	6.423 \| good	30.272 \| good	0.291 \| good	5.227 \| good	0.139 \| good
2026-06-15T14:00:00.000Z	30 \| good	2 \| good	8 \| good	32.033 \| good	0.359 \| good	3.284 \| good	0.124 \| good
2026-06-15T15:00:00.000Z	32 \| good	2.79 \| good	11.387 \| good	34.985 \| good	0.431 \| good	1.997 \| good	0.114 \| good
2026-06-15T16:00:00.000Z	37 \| good	1.904 \| good	7.9 \| good	39.904 \| good	0.439 \| good	1.387 \| good	0.109 \| good
2026-06-15T17:00:00.000Z	41 \| good	0.942 \| good	3.637 \| good	44.007 \| good	0.371 \| good	1 \| good	0.103 \| good
2026-06-15T18:00:00.000Z	40 \| good	1.102 \| good	4.742 \| good	43.42 \| good	0.35 \| good	0.851 \| good	0.101 \| good
2026-06-15T19:00:00.000Z	38 \| good	0.894 \| good	3.583 \| good	40.533 \| good	0.338 \| good	0.822 \| good	0.1 \| good
2026-06-15T20:00:00.000Z	35 \| good	0.625 \| good	2.178 \| good	37.944 \| good	0.323 \| good	0.842 \| good	0.1 \| good
2026-06-15T21:00:00.000Z	31 \| good	0.363 \| good	1.164 \| good	32.72 \| good	0.312 \| good	0.892 \| good	0.1 \| good
2026-06-15T22:00:00.000Z	28 \| good	0.666 \| good	2.278 \| good	30.226 \| good	0.317 \| good	1.07 \| good	0.101 \| good
2026-06-15T23:00:00.000Z	31 \| good	0.812 \| good	2.922 \| good	33.005 \| good	0.334 \| good	1.486 \| good	0.103 \| good
2026-06-16T00:00:00.000Z	27 \| good	1.463 \| good	5.922 \| good	28.79 \| good	0.364 \| good	2.653 \| good	0.109 \| good
2026-06-16T01:00:00.000Z	22 \| good	4.214 \| good	18.601 \| good	19.731 \| good	0.408 \| good	5.546 \| good	0.122 \| good
2026-06-16T02:00:00.000Z	33 \| good	5.553 \| good	23.792 \| good	23.838 \| good	0.429 \| good	8.876 \| good	0.136 \| good
2026-06-16T03:00:00.000Z	33 \| good	5.74 \| good	25.02 \| good	25.241 \| good	0.419 \| good	10.216 \| good	0.14 \| good
2026-06-16T04:00:00.000Z	33 \| good	6.403 \| good	28.443 \| good	23.877 \| good	0.395 \| good	10.749 \| good	0.143 \| good
2026-06-16T05:00:00.000Z	38 \| good	6.717 \| good	29.82 \| good	26.005 \| good	0.354 \| good	10.109 \| good	0.143 \| good
2026-06-16T06:00:00.000Z	33 \| good	5.578 \| good	5.712 \| good	22.16 \| good	0.307 \| good	8.95 \| good	0.141 \| good
2026-06-16T07:00:00.000Z	38 \| good	6.551 \| good	29.592 \| good	28.542 \| good	0.291 \| good	8.35 \| good	0.138 \| good
2026-06-16T08:00:00.000Z	38 \| good	6.963 \| good	31.136 \| good	26.26 \| good	0.287 \| good	8.161 \| good	0.138 \| good
2026-06-16T09:00:00.000Z	33 \| good	6.378 \| good	28.545 \| good	21.042 \| good	0.291 \| good	8.239 \| good	0.138 \| good
2026-06-16T10:00:00.000Z	17 \| good	2.108 \| good	8.6 \| good	17.992 \| good	0.3 \| good	8.381 \| good	0.138 \| good
2026-06-16T11:00:00.000Z	19 \| good	2.472 \| good	9.923 \| good	19.585 \| good	0.307 \| good	7.855 \| good	0.138 \| good

Lemont, Illinois live air quality index now

Major air pollutants in Lemont, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Lemont, Illinois air quality forecast and history

Get reliable air quality data to drive your business

Lemont, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Bolingbrook, Illinois

Romeoville, Illinois

Darien, Illinois

Woodridge, Illinois

Homer Glen, Illinois

Lockport, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Lemont, Illinois updated?

When was the worst air quality at Lemont, Illinois in the last 24 hrs?

When was the best air quality at Lemont, Illinois in the last 24 hrs?

What is the current air quality in Lemont, Illinois?

What pollutant is the most common in Lemont, Illinois?

What should I do if the air quality in Lemont, Illinois is poor?

What is the current concentration of PM2.5 in Lemont, Illinois?

What is the current concentration of PM10 in Lemont, Illinois?

What is the current concentration of carbon monoxide (CO) in Lemont, Illinois?

What is the current concentration of sulfur dioxide (SO2) in Lemont, Illinois?

What is the current concentration of ozone (O3) in Lemont, Illinois?

What is the current concentration of nitrogen dioxide (NO2) in Lemont, Illinois?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Lemont, Illinois?

What is the current concentration of PM₁₀ in Lemont, Illinois?

What is the current concentration of sulfur dioxide (SO₂) in Lemont, Illinois?

What is the current concentration of ozone (O₃) in Lemont, Illinois?

What is the current concentration of nitrogen dioxide (NO₂) in Lemont, Illinois?