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

The current PM10 concentration at Lemont, Illinois is 38.881 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Lemont, Illinois is 1.955 ppb.

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

The current ozone (O3) concentration at Lemont, Illinois is 38 ppm.

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

The current nitrogen dioxide (NO2) concentration at Lemont, Illinois is 5.05 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 12.016 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)

Moderate

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)

12.02 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

38.88 μg/m³

155

255

425

605+

Ozone (O₃)

38.00 ppb

201

201+

Sulfur Dioxide (SO₂)

1.96 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-10-20T21:00:00.000Z	56 \| moderate	11.57 \| good	38.199 \| good	40 \| good	5.702 \| good	9.088 \| good	0.206 \| good
2026-10-20T22:00:00.000Z	39 \| good	6.986 \| good	31.495 \| good	42 \| good	9.178 \| good	8.574 \| good	0.206 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.733 \| good	22.816 \| good	45 \| good	4.804 \| good	25.187 \| good	0.22 \| good
2026-10-21T00:00:00.000Z	39 \| good	7.244 \| good	29.251 \| good	42 \| good	1.095 \| good	24.446 \| good	0.264 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	10.013 \| good	43.578 \| good	35 \| good	0.708 \| good	30.178 \| good	0.278 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	10.4 \| good	51.286 \| good	33 \| good	0.597 \| good	29.427 \| good	0.292 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	14.845 \| fine	66.07 \| fine	9.019 \| good	3.782 \| good	41.179 \| good	0.338 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	12.011 \| good	26.191 \| good	32 \| good	0.546 \| good	28.517 \| good	0.292 \| good
2026-10-21T05:00:00.000Z	56 \| moderate	11.659 \| good	32.049 \| good	23 \| good	1.306 \| good	24.359 \| good	0.278 \| good
2026-10-21T06:00:00.000Z	56 \| moderate	12.202 \| fine	40.299 \| good	19 \| good	1.747 \| good	22.475 \| good	0.263 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	16.462 \| fine	72.357 \| fine	14 \| good	1.532 \| good	18.805 \| good	0.278 \| good
2026-10-21T08:00:00.000Z	67 \| moderate	18.322 \| fine	53.701 \| good	14 \| good	0.906 \| good	19.19 \| good	0.249 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.476 \| fine	43.339 \| good	12 \| good	0.9 \| good	19.891 \| good	0.235 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	15.034 \| fine	45.158 \| good	9 \| good	0.962 \| good	23.667 \| good	0.278 \| good
2026-10-21T11:00:00.000Z	69 \| moderate	18.967 \| fine	30.369 \| good	7 \| good	1.03 \| good	23.732 \| good	0.335 \| good
2026-10-21T12:00:00.000Z	77 \| moderate	23.342 \| fine	105.281 \| fine	10 \| good	1.006 \| good	22.608 \| good	0.35 \| good
2026-10-21T13:00:00.000Z	75 \| moderate	21.737 \| fine	89.499 \| fine	12 \| good	1.043 \| good	19.903 \| good	0.35 \| good
2026-10-21T14:00:00.000Z	67 \| moderate	17.505 \| fine	68.296 \| fine	13 \| good	1.151 \| good	21.221 \| good	0.482 \| good
2026-10-21T15:00:00.000Z	73 \| moderate	20.504 \| fine	77.577 \| fine	17 \| good	1.637 \| good	25.209 \| good	0.384 \| good
2026-10-21T16:00:00.000Z	71 \| moderate	19.857 \| fine	80.51 \| fine	17 \| good	1.727 \| good	21.62 \| good	0.292 \| good
2026-10-21T17:00:00.000Z	73 \| moderate	21.124 \| fine	74.203 \| fine	28 \| good	1.583 \| good	19.128 \| good	0.25 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.82 \| fine	60.78 \| fine	36 \| good	1.68 \| good	16.259 \| good	0.235 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.65 \| fine	64.934 \| fine	42 \| good	1.138 \| good	5.866 \| good	0.235 \| good
2026-10-21T20:00:00.000Z	52 \| moderate	10.332 \| good	47.228 \| good	46 \| good	1.188 \| good	6.25 \| good	0.235 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.583 \| good	37.918 \| good	48 \| good	1.332 \| good	6.701 \| good	0.235 \| good
2026-10-21T22:00:00.000Z	52 \| moderate	9.814 \| good	37.244 \| good	48 \| good	1.589 \| good	10.224 \| good	0.235 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.69 \| good	32.576 \| good	47 \| good	2.011 \| good	24.534 \| good	0.249 \| good
2026-10-22T00:00:00.000Z	49 \| good	9.282 \| good	41.395 \| good	43 \| good	1.465 \| good	19.09 \| good	0.307 \| good
2026-10-22T01:00:00.000Z	57 \| moderate	11.735 \| good	68.199 \| fine	39 \| good	1.109 \| good	21.611 \| good	0.351 \| good
2026-10-22T02:00:00.000Z	62 \| moderate	15.109 \| fine	65.28 \| fine	34 \| good	0.891 \| good	22.221 \| good	0.365 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.405 \| good	36.785 \| good	17.256 \| good	3.145 \| good	43.194 \| good	0.585 \| good
2026-10-22T04:00:00.000Z	64 \| moderate	15.591 \| fine	55.39 \| fine	25 \| good	1.661 \| good	32.148 \| good	0.407 \| good
2026-10-22T05:00:00.000Z	71 \| moderate	20.473 \| fine	76.733 \| fine	17 \| good	1.35 \| good	30.669 \| good	0.379 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	20.824 \| fine	77.254 \| fine	16 \| good	1.291 \| good	24.418 \| good	0.427 \| good
2026-10-22T07:00:00.000Z	69 \| moderate	18.594 \| fine	68.804 \| fine	14 \| good	1.311 \| good	21.735 \| good	0.427 \| good
2026-10-22T08:00:00.000Z	67 \| moderate	18.09 \| fine	78.957 \| fine	15 \| good	1.205 \| good	19.962 \| good	0.336 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.359 \| fine	69.827 \| fine	16 \| good	1.275 \| good	19.195 \| good	0.322 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.217 \| fine	67.783 \| fine	16 \| good	1.057 \| good	17.965 \| good	0.307 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.72 \| fine	67.514 \| fine	21 \| good	1.071 \| good	16.292 \| good	0.425 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.883 \| fine	68.043 \| fine	22 \| good	1.365 \| good	17.958 \| good	0.47 \| good
2026-10-22T13:00:00.000Z	69 \| moderate	18.598 \| fine	84.061 \| fine	20 \| good	1.567 \| good	18.829 \| good	0.421 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.093 \| fine	68.833 \| fine	14 \| good	1.492 \| good	19.524 \| good	0.464 \| good
2026-10-22T15:00:00.000Z	56 \| moderate	12.241 \| fine	32.416 \| good	18 \| good	1.937 \| good	21.836 \| good	0.537 \| good
2026-10-22T16:00:00.000Z	58 \| moderate	12.634 \| fine	44.23 \| good	18 \| good	1.997 \| good	30.635 \| good	0.321 \| good
2026-10-22T17:00:00.000Z	58 \| moderate	13.366 \| fine	47.715 \| good	16 \| good	2.525 \| good	23.109 \| good	0.278 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.545 \| fine	57.135 \| fine	21 \| good	2.048 \| good	14.07 \| good	0.235 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.814 \| good	46.686 \| good	30 \| good	2.96 \| good	7.324 \| good	0.206 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.016 \| good	38.881 \| good	38 \| good	1.955 \| good	5.05 \| good	0.206 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.016 \| good	38.881 \| good	38 \| good	1.955 \| good	5.05 \| good	0.206 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	10.306 \| good	45.642 \| good	49.414 \| good	1.873 \| good	8.671 \| good	0.2 \| good
2026-10-22T22:00:00.000Z	56 \| moderate	12.002 \| good	53.78 \| good	40.077 \| good	1.939 \| good	16.709 \| good	0.242 \| good
2026-10-22T23:00:00.000Z	64 \| moderate	16.4 \| fine	73.033 \| fine	30.721 \| good	2.31 \| good	38.503 \| good	0.349 \| good
2026-10-23T00:00:00.000Z	71 \| moderate	19.874 \| fine	87 \| fine	22.446 \| good	2.654 \| good	49.579 \| good	0.442 \| good
2026-10-23T01:00:00.000Z	73 \| moderate	21.425 \| fine	94.444 \| fine	21.125 \| good	2.737 \| good	49.923 \| good	0.463 \| good
2026-10-23T02:00:00.000Z	77 \| moderate	22.742 \| fine	99.663 \| fine	15.053 \| good	2.815 \| good	50.035 \| good	0.443 \| good
2026-10-23T03:00:00.000Z	81 \| moderate	24.73 \| fine	107.923 \| fine	11.115 \| good	2.92 \| good	49.149 \| good	0.437 \| good
2026-10-23T04:00:00.000Z	79 \| moderate	24.476 \| fine	106.687 \| fine	10.087 \| good	2.998 \| good	47.618 \| good	0.438 \| good
2026-10-23T05:00:00.000Z	79 \| moderate	23.609 \| fine	103.57 \| fine	5.803 \| good	3.014 \| good	45.77 \| good	0.432 \| good
2026-10-23T06:00:00.000Z	75 \| moderate	21.897 \| fine	96.054 \| fine	6.228 \| good	3.103 \| good	43.722 \| good	0.413 \| good
2026-10-23T07:00:00.000Z	69 \| moderate	18.87 \| fine	83.097 \| fine	8.545 \| good	3.237 \| good	41.214 \| good	0.393 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	17.059 \| fine	75.723 \| fine	10.297 \| good	3.315 \| good	37.926 \| good	0.376 \| good
2026-10-23T09:00:00.000Z	64 \| moderate	16.491 \| fine	72.823 \| fine	12.116 \| good	3.308 \| good	33.826 \| good	0.36 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.02 \| fine	75.596 \| fine	9.641 \| good	3.177 \| good	29.881 \| good	0.346 \| good
2026-10-23T11:00:00.000Z	67 \| moderate	17.87 \| fine	79.135 \| fine	8.427 \| good	2.961 \| good	27.804 \| good	0.338 \| good
2026-10-23T12:00:00.000Z	69 \| moderate	18.688 \| fine	82.863 \| fine	8.638 \| good	2.799 \| good	29.72 \| good	0.347 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	19.263 \| fine	84.66 \| fine	14.703 \| good	2.642 \| good	26.321 \| good	0.379 \| good
2026-10-23T14:00:00.000Z	69 \| moderate	19.49 \| fine	86.129 \| fine	23.734 \| good	2.328 \| good	21.094 \| good	0.364 \| good
2026-10-23T15:00:00.000Z	66 \| moderate	17.46 \| fine	77.613 \| fine	33.294 \| good	2.083 \| good	18.324 \| good	0.341 \| good
2026-10-23T16:00:00.000Z	62 \| moderate	15.035 \| fine	66.617 \| fine	42.209 \| good	1.713 \| good	13.905 \| good	0.275 \| good
2026-10-23T17:00:00.000Z	58 \| moderate	12.654 \| fine	57.28 \| fine	47.408 \| good	1.57 \| good	8.946 \| good	0.223 \| good
2026-10-23T18:00:00.000Z	54 \| moderate	11.305 \| good	49.915 \| good	54.484 \| good	1.7 \| good	4.845 \| good	0.192 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.75 \| good	47.829 \| good	55.556 \| fine	1.791 \| good	3.53 \| good	0.185 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	9.972 \| good	44.308 \| good	56.301 \| fine	1.743 \| good	3.368 \| good	0.183 \| good
2026-10-23T21:00:00.000Z	54 \| moderate	10.123 \| good	45.023 \| good	55.733 \| fine	1.761 \| good	3.877 \| good	0.184 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	10.759 \| good	47.686 \| good	47.109 \| good	1.786 \| good	8.802 \| good	0.209 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	12.017 \| good	54.024 \| good	39.087 \| good	1.914 \| good	20.466 \| good	0.264 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	13.858 \| fine	62.62 \| fine	32.507 \| good	2.111 \| good	28.984 \| good	0.294 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	13.763 \| fine	61.947 \| fine	25.369 \| good	2.298 \| good	31.442 \| good	0.288 \| good
2026-10-24T02:00:00.000Z	58 \| moderate	13.301 \| fine	59.826 \| fine	26.525 \| good	2.419 \| good	31.452 \| good	0.28 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	13.314 \| fine	59.682 \| fine	29.78 \| good	2.442 \| good	29.192 \| good	0.269 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.612 \| fine	57.038 \| fine	30.103 \| good	2.336 \| good	24.659 \| good	0.257 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.064 \| good	54.171 \| good	27.933 \| good	2.109 \| good	18.426 \| good	0.245 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.374 \| fine	60.584 \| fine	24.933 \| good	1.876 \| good	13.765 \| good	0.235 \| good
2026-10-24T07:00:00.000Z	60 \| moderate	13.817 \| fine	62.409 \| fine	22.163 \| good	1.699 \| good	11.184 \| good	0.229 \| good
2026-10-24T08:00:00.000Z	60 \| moderate	14.479 \| fine	64.701 \| fine	20.881 \| good	1.594 \| good	9.881 \| good	0.227 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	14.793 \| fine	65.581 \| fine	19.555 \| good	1.545 \| good	9.418 \| good	0.228 \| good
2026-10-24T10:00:00.000Z	60 \| moderate	14.136 \| fine	63.2 \| fine	20.249 \| good	1.519 \| good	9.688 \| good	0.231 \| good
2026-10-24T11:00:00.000Z	62 \| moderate	15.476 \| fine	69.08 \| fine	18.707 \| good	1.513 \| good	10.763 \| good	0.236 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	17.354 \| fine	76.673 \| fine	20.778 \| good	1.566 \| good	14.527 \| good	0.246 \| good
2026-10-24T13:00:00.000Z	69 \| moderate	18.879 \| fine	83.239 \| fine	21.418 \| good	1.609 \| good	16.086 \| good	0.262 \| good
2026-10-24T14:00:00.000Z	71 \| moderate	19.57 \| fine	86.334 \| fine	26.705 \| good	1.609 \| good	14.564 \| good	0.276 \| good
2026-10-24T15:00:00.000Z	66 \| moderate	16.953 \| fine	74.487 \| fine	32.038 \| good	1.647 \| good	11.999 \| good	0.265 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	14.834 \| fine	65.782 \| fine	42.975 \| good	1.685 \| good	10.285 \| good	0.252 \| good
2026-10-24T17:00:00.000Z	58 \| moderate	12.533 \| fine	56.675 \| fine	49.589 \| good	1.739 \| good	8.66 \| good	0.237 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.534 \| good	51.193 \| good	53.393 \| good	1.725 \| good	6.705 \| good	0.221 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	10.639 \| good	47.193 \| good	54.656 \| good	1.632 \| good	4.982 \| good	0.203 \| good
2026-10-24T20:00:00.000Z	52 \| moderate	9.86 \| good	44.077 \| good	54.002 \| good	1.539 \| good	4.182 \| good	0.193 \| good

Lemont

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Lemont, Illinois air quality map: Track AQI near you

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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

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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 06:00:00 on 2026-10-22.

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 03:00:00 on 2026-10-22.

What is the current air quality in Lemont, Illinois?

The current air quality in Lemont, Illinois is 56, categorized as Moderate 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 12.016 μg/m³.

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

The current PM₁₀ concentration at Lemont, Illinois is 38.881 μg/m³.

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

The current carbon monoxide (CO) concentration at Lemont, Illinois is 0.206 ppm.

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

The current sulfur dioxide (SO₂) concentration at Lemont, Illinois is 1.955 ppb.

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

The current ozone (O₃) concentration at Lemont, Illinois is 38 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Lemont, Illinois is 5.05 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	56 \| moderate	11.57 \| good	38.199 \| good	40 \| good	5.702 \| good	9.088 \| good	0.206 \| good
2026-10-20T22:00:00.000Z	39 \| good	6.986 \| good	31.495 \| good	42 \| good	9.178 \| good	8.574 \| good	0.206 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.733 \| good	22.816 \| good	45 \| good	4.804 \| good	25.187 \| good	0.22 \| good
2026-10-21T00:00:00.000Z	39 \| good	7.244 \| good	29.251 \| good	42 \| good	1.095 \| good	24.446 \| good	0.264 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	10.013 \| good	43.578 \| good	35 \| good	0.708 \| good	30.178 \| good	0.278 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	10.4 \| good	51.286 \| good	33 \| good	0.597 \| good	29.427 \| good	0.292 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	14.845 \| fine	66.07 \| fine	9.019 \| good	3.782 \| good	41.179 \| good	0.338 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	12.011 \| good	26.191 \| good	32 \| good	0.546 \| good	28.517 \| good	0.292 \| good
2026-10-21T05:00:00.000Z	56 \| moderate	11.659 \| good	32.049 \| good	23 \| good	1.306 \| good	24.359 \| good	0.278 \| good
2026-10-21T06:00:00.000Z	56 \| moderate	12.202 \| fine	40.299 \| good	19 \| good	1.747 \| good	22.475 \| good	0.263 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	16.462 \| fine	72.357 \| fine	14 \| good	1.532 \| good	18.805 \| good	0.278 \| good
2026-10-21T08:00:00.000Z	67 \| moderate	18.322 \| fine	53.701 \| good	14 \| good	0.906 \| good	19.19 \| good	0.249 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.476 \| fine	43.339 \| good	12 \| good	0.9 \| good	19.891 \| good	0.235 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	15.034 \| fine	45.158 \| good	9 \| good	0.962 \| good	23.667 \| good	0.278 \| good
2026-10-21T11:00:00.000Z	69 \| moderate	18.967 \| fine	30.369 \| good	7 \| good	1.03 \| good	23.732 \| good	0.335 \| good
2026-10-21T12:00:00.000Z	77 \| moderate	23.342 \| fine	105.281 \| fine	10 \| good	1.006 \| good	22.608 \| good	0.35 \| good
2026-10-21T13:00:00.000Z	75 \| moderate	21.737 \| fine	89.499 \| fine	12 \| good	1.043 \| good	19.903 \| good	0.35 \| good
2026-10-21T14:00:00.000Z	67 \| moderate	17.505 \| fine	68.296 \| fine	13 \| good	1.151 \| good	21.221 \| good	0.482 \| good
2026-10-21T15:00:00.000Z	73 \| moderate	20.504 \| fine	77.577 \| fine	17 \| good	1.637 \| good	25.209 \| good	0.384 \| good
2026-10-21T16:00:00.000Z	71 \| moderate	19.857 \| fine	80.51 \| fine	17 \| good	1.727 \| good	21.62 \| good	0.292 \| good
2026-10-21T17:00:00.000Z	73 \| moderate	21.124 \| fine	74.203 \| fine	28 \| good	1.583 \| good	19.128 \| good	0.25 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.82 \| fine	60.78 \| fine	36 \| good	1.68 \| good	16.259 \| good	0.235 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	14.65 \| fine	64.934 \| fine	42 \| good	1.138 \| good	5.866 \| good	0.235 \| good
2026-10-21T20:00:00.000Z	52 \| moderate	10.332 \| good	47.228 \| good	46 \| good	1.188 \| good	6.25 \| good	0.235 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.583 \| good	37.918 \| good	48 \| good	1.332 \| good	6.701 \| good	0.235 \| good
2026-10-21T22:00:00.000Z	52 \| moderate	9.814 \| good	37.244 \| good	48 \| good	1.589 \| good	10.224 \| good	0.235 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.69 \| good	32.576 \| good	47 \| good	2.011 \| good	24.534 \| good	0.249 \| good
2026-10-22T00:00:00.000Z	49 \| good	9.282 \| good	41.395 \| good	43 \| good	1.465 \| good	19.09 \| good	0.307 \| good
2026-10-22T01:00:00.000Z	57 \| moderate	11.735 \| good	68.199 \| fine	39 \| good	1.109 \| good	21.611 \| good	0.351 \| good
2026-10-22T02:00:00.000Z	62 \| moderate	15.109 \| fine	65.28 \| fine	34 \| good	0.891 \| good	22.221 \| good	0.365 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.405 \| good	36.785 \| good	17.256 \| good	3.145 \| good	43.194 \| good	0.585 \| good
2026-10-22T04:00:00.000Z	64 \| moderate	15.591 \| fine	55.39 \| fine	25 \| good	1.661 \| good	32.148 \| good	0.407 \| good
2026-10-22T05:00:00.000Z	71 \| moderate	20.473 \| fine	76.733 \| fine	17 \| good	1.35 \| good	30.669 \| good	0.379 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	20.824 \| fine	77.254 \| fine	16 \| good	1.291 \| good	24.418 \| good	0.427 \| good
2026-10-22T07:00:00.000Z	69 \| moderate	18.594 \| fine	68.804 \| fine	14 \| good	1.311 \| good	21.735 \| good	0.427 \| good
2026-10-22T08:00:00.000Z	67 \| moderate	18.09 \| fine	78.957 \| fine	15 \| good	1.205 \| good	19.962 \| good	0.336 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.359 \| fine	69.827 \| fine	16 \| good	1.275 \| good	19.195 \| good	0.322 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.217 \| fine	67.783 \| fine	16 \| good	1.057 \| good	17.965 \| good	0.307 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.72 \| fine	67.514 \| fine	21 \| good	1.071 \| good	16.292 \| good	0.425 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.883 \| fine	68.043 \| fine	22 \| good	1.365 \| good	17.958 \| good	0.47 \| good
2026-10-22T13:00:00.000Z	69 \| moderate	18.598 \| fine	84.061 \| fine	20 \| good	1.567 \| good	18.829 \| good	0.421 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.093 \| fine	68.833 \| fine	14 \| good	1.492 \| good	19.524 \| good	0.464 \| good
2026-10-22T15:00:00.000Z	56 \| moderate	12.241 \| fine	32.416 \| good	18 \| good	1.937 \| good	21.836 \| good	0.537 \| good
2026-10-22T16:00:00.000Z	58 \| moderate	12.634 \| fine	44.23 \| good	18 \| good	1.997 \| good	30.635 \| good	0.321 \| good
2026-10-22T17:00:00.000Z	58 \| moderate	13.366 \| fine	47.715 \| good	16 \| good	2.525 \| good	23.109 \| good	0.278 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.545 \| fine	57.135 \| fine	21 \| good	2.048 \| good	14.07 \| good	0.235 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.814 \| good	46.686 \| good	30 \| good	2.96 \| good	7.324 \| good	0.206 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.016 \| good	38.881 \| good	38 \| good	1.955 \| good	5.05 \| good	0.206 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.016 \| good	38.881 \| good	38 \| good	1.955 \| good	5.05 \| good	0.206 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	10.306 \| good	45.642 \| good	49.414 \| good	1.873 \| good	8.671 \| good	0.2 \| good
2026-10-22T22:00:00.000Z	56 \| moderate	12.002 \| good	53.78 \| good	40.077 \| good	1.939 \| good	16.709 \| good	0.242 \| good
2026-10-22T23:00:00.000Z	64 \| moderate	16.4 \| fine	73.033 \| fine	30.721 \| good	2.31 \| good	38.503 \| good	0.349 \| good
2026-10-23T00:00:00.000Z	71 \| moderate	19.874 \| fine	87 \| fine	22.446 \| good	2.654 \| good	49.579 \| good	0.442 \| good
2026-10-23T01:00:00.000Z	73 \| moderate	21.425 \| fine	94.444 \| fine	21.125 \| good	2.737 \| good	49.923 \| good	0.463 \| good
2026-10-23T02:00:00.000Z	77 \| moderate	22.742 \| fine	99.663 \| fine	15.053 \| good	2.815 \| good	50.035 \| good	0.443 \| good
2026-10-23T03:00:00.000Z	81 \| moderate	24.73 \| fine	107.923 \| fine	11.115 \| good	2.92 \| good	49.149 \| good	0.437 \| good
2026-10-23T04:00:00.000Z	79 \| moderate	24.476 \| fine	106.687 \| fine	10.087 \| good	2.998 \| good	47.618 \| good	0.438 \| good
2026-10-23T05:00:00.000Z	79 \| moderate	23.609 \| fine	103.57 \| fine	5.803 \| good	3.014 \| good	45.77 \| good	0.432 \| good
2026-10-23T06:00:00.000Z	75 \| moderate	21.897 \| fine	96.054 \| fine	6.228 \| good	3.103 \| good	43.722 \| good	0.413 \| good
2026-10-23T07:00:00.000Z	69 \| moderate	18.87 \| fine	83.097 \| fine	8.545 \| good	3.237 \| good	41.214 \| good	0.393 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	17.059 \| fine	75.723 \| fine	10.297 \| good	3.315 \| good	37.926 \| good	0.376 \| good
2026-10-23T09:00:00.000Z	64 \| moderate	16.491 \| fine	72.823 \| fine	12.116 \| good	3.308 \| good	33.826 \| good	0.36 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.02 \| fine	75.596 \| fine	9.641 \| good	3.177 \| good	29.881 \| good	0.346 \| good
2026-10-23T11:00:00.000Z	67 \| moderate	17.87 \| fine	79.135 \| fine	8.427 \| good	2.961 \| good	27.804 \| good	0.338 \| good
2026-10-23T12:00:00.000Z	69 \| moderate	18.688 \| fine	82.863 \| fine	8.638 \| good	2.799 \| good	29.72 \| good	0.347 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	19.263 \| fine	84.66 \| fine	14.703 \| good	2.642 \| good	26.321 \| good	0.379 \| good
2026-10-23T14:00:00.000Z	69 \| moderate	19.49 \| fine	86.129 \| fine	23.734 \| good	2.328 \| good	21.094 \| good	0.364 \| good
2026-10-23T15:00:00.000Z	66 \| moderate	17.46 \| fine	77.613 \| fine	33.294 \| good	2.083 \| good	18.324 \| good	0.341 \| good
2026-10-23T16:00:00.000Z	62 \| moderate	15.035 \| fine	66.617 \| fine	42.209 \| good	1.713 \| good	13.905 \| good	0.275 \| good
2026-10-23T17:00:00.000Z	58 \| moderate	12.654 \| fine	57.28 \| fine	47.408 \| good	1.57 \| good	8.946 \| good	0.223 \| good
2026-10-23T18:00:00.000Z	54 \| moderate	11.305 \| good	49.915 \| good	54.484 \| good	1.7 \| good	4.845 \| good	0.192 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.75 \| good	47.829 \| good	55.556 \| fine	1.791 \| good	3.53 \| good	0.185 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	9.972 \| good	44.308 \| good	56.301 \| fine	1.743 \| good	3.368 \| good	0.183 \| good
2026-10-23T21:00:00.000Z	54 \| moderate	10.123 \| good	45.023 \| good	55.733 \| fine	1.761 \| good	3.877 \| good	0.184 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	10.759 \| good	47.686 \| good	47.109 \| good	1.786 \| good	8.802 \| good	0.209 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	12.017 \| good	54.024 \| good	39.087 \| good	1.914 \| good	20.466 \| good	0.264 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	13.858 \| fine	62.62 \| fine	32.507 \| good	2.111 \| good	28.984 \| good	0.294 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	13.763 \| fine	61.947 \| fine	25.369 \| good	2.298 \| good	31.442 \| good	0.288 \| good
2026-10-24T02:00:00.000Z	58 \| moderate	13.301 \| fine	59.826 \| fine	26.525 \| good	2.419 \| good	31.452 \| good	0.28 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	13.314 \| fine	59.682 \| fine	29.78 \| good	2.442 \| good	29.192 \| good	0.269 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.612 \| fine	57.038 \| fine	30.103 \| good	2.336 \| good	24.659 \| good	0.257 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.064 \| good	54.171 \| good	27.933 \| good	2.109 \| good	18.426 \| good	0.245 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.374 \| fine	60.584 \| fine	24.933 \| good	1.876 \| good	13.765 \| good	0.235 \| good
2026-10-24T07:00:00.000Z	60 \| moderate	13.817 \| fine	62.409 \| fine	22.163 \| good	1.699 \| good	11.184 \| good	0.229 \| good
2026-10-24T08:00:00.000Z	60 \| moderate	14.479 \| fine	64.701 \| fine	20.881 \| good	1.594 \| good	9.881 \| good	0.227 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	14.793 \| fine	65.581 \| fine	19.555 \| good	1.545 \| good	9.418 \| good	0.228 \| good
2026-10-24T10:00:00.000Z	60 \| moderate	14.136 \| fine	63.2 \| fine	20.249 \| good	1.519 \| good	9.688 \| good	0.231 \| good
2026-10-24T11:00:00.000Z	62 \| moderate	15.476 \| fine	69.08 \| fine	18.707 \| good	1.513 \| good	10.763 \| good	0.236 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	17.354 \| fine	76.673 \| fine	20.778 \| good	1.566 \| good	14.527 \| good	0.246 \| good
2026-10-24T13:00:00.000Z	69 \| moderate	18.879 \| fine	83.239 \| fine	21.418 \| good	1.609 \| good	16.086 \| good	0.262 \| good
2026-10-24T14:00:00.000Z	71 \| moderate	19.57 \| fine	86.334 \| fine	26.705 \| good	1.609 \| good	14.564 \| good	0.276 \| good
2026-10-24T15:00:00.000Z	66 \| moderate	16.953 \| fine	74.487 \| fine	32.038 \| good	1.647 \| good	11.999 \| good	0.265 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	14.834 \| fine	65.782 \| fine	42.975 \| good	1.685 \| good	10.285 \| good	0.252 \| good
2026-10-24T17:00:00.000Z	58 \| moderate	12.533 \| fine	56.675 \| fine	49.589 \| good	1.739 \| good	8.66 \| good	0.237 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.534 \| good	51.193 \| good	53.393 \| good	1.725 \| good	6.705 \| good	0.221 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	10.639 \| good	47.193 \| good	54.656 \| good	1.632 \| good	4.982 \| good	0.203 \| good
2026-10-24T20:00:00.000Z	52 \| moderate	9.86 \| good	44.077 \| good	54.002 \| good	1.539 \| good	4.182 \| good	0.193 \| 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)

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Lemont, Illinois air quality map: Track AQI near you

Air quality in nearby cities

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Homer Glen, Illinois

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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?

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