What is the current level of PM10 in Hoffman Estates, Illinois?

Hoffman Estates, Illinois currently has a PM10 concentration of 36.875 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Hoffman Estates, Illinois is 1.596 ppb.

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

Hoffman Estates, Illinois currently has an ozone (O3) concentration of 48.046 ppm.

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

The current level of nitrogen dioxide (NO2) in Hoffman Estates, Illinois is 7.928 ppb.

Current air quality index in Hoffman Estates, Illinois today

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

Hoffman Estates, Illinois currently has a PM2.5 concentration of 10.111 μg/m3.

Stay updated with real-time air quality in Hoffman Estates, 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

Hoffman Estates, Illinois

Last updated: ... (Local time)

Common air pollutants in Hoffman Estates, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.81 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.66 μg/m³

155

255

425

605+

Ozone (O₃)

40.27 ppb

201

201+

Sulfur Dioxide (SO₂)

1.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.07 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Hoffman Estates, Illinois

Get Live Pollen Counts

Hoffman Estates, Illinois

Scroll To Air Quality Map

Track live Hoffman Estates, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	44 \| good	8.282 \| good	22.102 \| good	35.959 \| good	3.262 \| good	25.151 \| good	0.233 \| good
2026-10-21T00:00:00.000Z	49 \| good	8.505 \| good	34.761 \| good	31.998 \| good	0.925 \| good	24.519 \| good	0.272 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	9.774 \| good	42.056 \| good	27.805 \| good	0.691 \| good	30.202 \| good	0.284 \| good
2026-10-21T02:00:00.000Z	44 \| good	8.248 \| good	24.421 \| good	22.058 \| good	0.587 \| good	29.665 \| good	0.297 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	14.9 \| fine	66.736 \| fine	2.044 \| good	3.15 \| good	41.508 \| good	0.321 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	11.625 \| good	31.098 \| good	11.92 \| good	0.552 \| good	28.411 \| good	0.319 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.484 \| fine	62.239 \| fine	10.202 \| good	1.303 \| good	24.183 \| good	0.295 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.226 \| fine	70.224 \| fine	4.674 \| good	1.668 \| good	22.293 \| good	0.283 \| good
2026-10-21T07:00:00.000Z	66 \| moderate	16.822 \| fine	83.137 \| fine	5.256 \| good	1.437 \| good	18.501 \| good	0.295 \| good
2026-10-21T08:00:00.000Z	66 \| moderate	17.241 \| fine	65.597 \| fine	11.758 \| good	0.836 \| good	19.953 \| good	0.258 \| good
2026-10-21T09:00:00.000Z	66 \| moderate	17.024 \| fine	64.564 \| fine	8.439 \| good	0.808 \| good	19.431 \| good	0.246 \| good
2026-10-21T10:00:00.000Z	75 \| moderate	21.582 \| fine	91.526 \| fine	13.223 \| good	0.868 \| good	20.82 \| good	0.295 \| good
2026-10-21T11:00:00.000Z	75 \| moderate	21.594 \| fine	83.905 \| fine	9.825 \| good	0.939 \| good	23.482 \| good	0.368 \| good
2026-10-21T12:00:00.000Z	86 \| moderate	28.365 \| fine	94.445 \| fine	8.027 \| good	0.915 \| good	22.175 \| good	0.381 \| good
2026-10-21T13:00:00.000Z	71 \| moderate	19.728 \| fine	52.886 \| good	9.611 \| good	0.953 \| good	17.55 \| good	0.381 \| good
2026-10-21T14:00:00.000Z	75 \| moderate	21.592 \| fine	41.313 \| good	13.991 \| good	1.156 \| good	24.594 \| good	0.516 \| good
2026-10-21T15:00:00.000Z	77 \| moderate	23.296 \| fine	62.267 \| fine	12.202 \| good	1.557 \| good	23.287 \| good	0.416 \| good
2026-10-21T16:00:00.000Z	75 \| moderate	22.073 \| fine	87.646 \| fine	13.167 \| good	1.83 \| good	21.418 \| good	0.319 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.117 \| fine	59.048 \| fine	20.108 \| good	1.651 \| good	20.156 \| good	0.271 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	12.515 \| fine	36.462 \| good	28.656 \| good	1.657 \| good	18.938 \| good	0.258 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	13.125 \| fine	48.257 \| good	37.353 \| good	1.15 \| good	14.788 \| good	0.258 \| good
2026-10-21T20:00:00.000Z	44 \| good	7.932 \| good	28.691 \| good	38.582 \| good	1.137 \| good	9.182 \| good	0.258 \| good
2026-10-21T21:00:00.000Z	42 \| good	7.497 \| good	31.708 \| good	44.795 \| good	1.102 \| good	10.561 \| good	0.258 \| good
2026-10-21T22:00:00.000Z	47 \| good	5.26 \| good	38.48 \| good	51.011 \| good	1.263 \| good	14.342 \| good	0.258 \| good
2026-10-21T23:00:00.000Z	42 \| good	6.77 \| good	28.382 \| good	44.963 \| good	1.831 \| good	18.608 \| good	0.27 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.997 \| good	23.718 \| good	42.368 \| good	1.347 \| good	14.859 \| good	0.332 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	11.028 \| good	39.254 \| good	38.103 \| good	0.984 \| good	18.951 \| good	0.371 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.669 \| good	41.857 \| good	29.947 \| good	0.797 \| good	31.242 \| good	0.394 \| good
2026-10-22T03:00:00.000Z	39 \| good	5.571 \| good	23.739 \| good	21.384 \| good	2.661 \| good	40.832 \| good	0.488 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	11.484 \| good	43.186 \| good	23.356 \| good	1.342 \| good	32.412 \| good	0.443 \| good
2026-10-22T05:00:00.000Z	60 \| moderate	13.721 \| fine	56.173 \| fine	23.789 \| good	1.094 \| good	28.273 \| good	0.407 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.928 \| fine	79.009 \| fine	20.56 \| good	1.02 \| good	23.453 \| good	0.475 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.656 \| fine	63.87 \| fine	13.622 \| good	0.995 \| good	24.351 \| good	0.474 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.225 \| fine	55.304 \| fine	5.945 \| good	0.895 \| good	21.828 \| good	0.347 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.089 \| fine	72.779 \| fine	17.076 \| good	0.739 \| good	15.908 \| good	0.334 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	15.795 \| fine	74.717 \| fine	9.989 \| good	0.603 \| good	15.752 \| good	0.321 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.473 \| fine	54.652 \| good	14.248 \| good	0.726 \| good	17.319 \| good	0.497 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.879 \| fine	67.408 \| fine	4.116 \| good	0.71 \| good	18.232 \| good	0.524 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	17.072 \| fine	74.011 \| fine	13.563 \| good	0.832 \| good	19.922 \| good	0.444 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.269 \| fine	58.571 \| fine	10.667 \| good	1.161 \| good	17.048 \| good	0.494 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.081 \| fine	68.205 \| fine	12.245 \| good	1.218 \| good	18.45 \| good	0.542 \| good
2026-10-22T16:00:00.000Z	66 \| moderate	16.503 \| fine	72.259 \| fine	24.494 \| good	1.436 \| good	16.702 \| good	0.322 \| good
2026-10-22T17:00:00.000Z	64 \| moderate	16.303 \| fine	73.31 \| fine	25.247 \| good	1.738 \| good	13.526 \| good	0.296 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	13.067 \| fine	57.971 \| fine	28.705 \| good	1.427 \| good	11.332 \| good	0.246 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	10.915 \| good	50.192 \| good	33.307 \| good	2.104 \| good	10.632 \| good	0.221 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	10.182 \| good	44.98 \| good	38.136 \| good	1.544 \| good	10.341 \| good	0.221 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	10.111 \| good	36.875 \| good	48.046 \| good	1.596 \| good	7.928 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.813 \| good	40.662 \| good	40.275 \| good	1.263 \| good	10.071 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.813 \| good	40.662 \| good	40.275 \| good	1.263 \| good	10.071 \| good	0.258 \| good
2026-10-22T23:00:00.000Z	60 \| moderate	13.527 \| fine	60.854 \| fine	31.796 \| good	1.733 \| good	38.043 \| good	0.373 \| good
2026-10-23T00:00:00.000Z	60 \| moderate	13.728 \| fine	61.768 \| fine	19.64 \| good	2.002 \| good	45.217 \| good	0.448 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	14.662 \| fine	66.019 \| fine	13.012 \| good	2.167 \| good	47.401 \| good	0.464 \| good
2026-10-23T02:00:00.000Z	62 \| moderate	15.298 \| fine	68.275 \| fine	8.705 \| good	2.343 \| good	49.143 \| good	0.461 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.264 \| fine	72.208 \| fine	6.886 \| good	2.527 \| good	49.751 \| good	0.462 \| good
2026-10-23T04:00:00.000Z	62 \| moderate	15.094 \| fine	67.473 \| fine	6.772 \| good	2.671 \| good	49.703 \| good	0.467 \| good
2026-10-23T05:00:00.000Z	60 \| moderate	14.141 \| fine	63.717 \| fine	6.622 \| good	2.664 \| good	49.062 \| good	0.468 \| good
2026-10-23T06:00:00.000Z	60 \| moderate	14.354 \| fine	64.149 \| fine	7.218 \| good	2.609 \| good	48.067 \| good	0.452 \| good
2026-10-23T07:00:00.000Z	62 \| moderate	15.266 \| fine	68.451 \| fine	8.639 \| good	2.668 \| good	46.842 \| good	0.433 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	17.314 \| fine	76.362 \| fine	8.527 \| good	2.809 \| good	45.44 \| good	0.417 \| good
2026-10-23T09:00:00.000Z	73 \| moderate	21.038 \| fine	92.509 \| fine	6.251 \| good	2.993 \| good	43.75 \| good	0.403 \| good
2026-10-23T10:00:00.000Z	82 \| moderate	25.552 \| fine	111.196 \| fine	4.319 \| good	3.242 \| good	41.868 \| good	0.391 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.551 \| fine	115.339 \| fine	2.227 \| good	3.452 \| good	40.094 \| good	0.386 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	25.744 \| fine	112.211 \| fine	0.996 \| good	3.693 \| good	38.641 \| good	0.398 \| good
2026-10-23T13:00:00.000Z	79 \| moderate	24.365 \| fine	106.637 \| fine	6.814 \| good	3.86 \| good	34.559 \| good	0.435 \| good
2026-10-23T14:00:00.000Z	73 \| moderate	21.003 \| fine	92.853 \| fine	17.922 \| good	3.481 \| good	28.896 \| good	0.424 \| good
2026-10-23T15:00:00.000Z	67 \| moderate	18.348 \| fine	80.897 \| fine	28.576 \| good	3.149 \| good	25.409 \| good	0.389 \| good
2026-10-23T16:00:00.000Z	66 \| moderate	16.994 \| fine	75.488 \| fine	37.38 \| good	2.695 \| good	21.183 \| good	0.32 \| good
2026-10-23T17:00:00.000Z	62 \| moderate	15.414 \| fine	68.837 \| fine	44.248 \| good	2.291 \| good	16.315 \| good	0.266 \| good
2026-10-23T18:00:00.000Z	62 \| moderate	14.628 \| fine	65.628 \| fine	49.526 \| good	2.278 \| good	11.233 \| good	0.228 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	13.972 \| fine	62.967 \| fine	53.585 \| good	2.226 \| good	8.464 \| good	0.214 \| good
2026-10-23T20:00:00.000Z	58 \| moderate	13.077 \| fine	58.887 \| fine	55.083 \| fine	2.121 \| good	7.539 \| good	0.208 \| good
2026-10-23T21:00:00.000Z	56 \| moderate	12.078 \| good	54.136 \| good	53.55 \| good	2.096 \| good	8.007 \| good	0.207 \| good
2026-10-23T22:00:00.000Z	58 \| moderate	13.143 \| fine	59.256 \| fine	41.092 \| good	2.03 \| good	14.01 \| good	0.233 \| good
2026-10-23T23:00:00.000Z	64 \| moderate	15.881 \| fine	70.653 \| fine	25.131 \| good	2.081 \| good	24.952 \| good	0.279 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	16.956 \| fine	75.465 \| fine	13.846 \| good	2.202 \| good	32.934 \| good	0.302 \| good
2026-10-24T01:00:00.000Z	64 \| moderate	16.181 \| fine	71.854 \| fine	9.128 \| good	2.291 \| good	35.623 \| good	0.294 \| good
2026-10-24T02:00:00.000Z	66 \| moderate	16.874 \| fine	74.547 \| fine	7.02 \| good	2.324 \| good	36.617 \| good	0.285 \| good
2026-10-24T03:00:00.000Z	66 \| moderate	16.727 \| fine	74.188 \| fine	9.998 \| good	2.318 \| good	35.959 \| good	0.276 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	15.885 \| fine	70.593 \| fine	15.638 \| good	2.272 \| good	33.098 \| good	0.268 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	14.384 \| fine	63.894 \| fine	21.691 \| good	2.166 \| good	26.933 \| good	0.258 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.586 \| fine	61.211 \| fine	23.058 \| good	2.05 \| good	21.109 \| good	0.247 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	13.03 \| fine	58.67 \| fine	22.264 \| good	1.909 \| good	17.024 \| good	0.239 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.7 \| good	51.797 \| good	23.047 \| good	1.776 \| good	14.381 \| good	0.233 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.144 \| fine	54.592 \| good	20.685 \| good	1.671 \| good	12.933 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.926 \| good	52.847 \| good	20.152 \| good	1.607 \| good	12.521 \| good	0.232 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.469 \| fine	56.038 \| fine	19.306 \| good	1.592 \| good	13.242 \| good	0.235 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	12.845 \| fine	57.669 \| fine	17.909 \| good	1.651 \| good	17.142 \| good	0.244 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.255 \| fine	59.377 \| fine	20.316 \| good	1.721 \| good	18.541 \| good	0.258 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	14.955 \| fine	66.584 \| fine	28.816 \| good	1.735 \| good	17.415 \| good	0.273 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.369 \| fine	64.169 \| fine	36.472 \| good	1.779 \| good	15.644 \| good	0.267 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	13.098 \| fine	58.851 \| fine	42.69 \| good	1.792 \| good	14.385 \| good	0.259 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.95 \| good	53.569 \| good	45.962 \| good	1.802 \| good	13.37 \| good	0.251 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	12.174 \| fine	54.768 \| good	48.186 \| good	1.813 \| good	11.71 \| good	0.239 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	12.076 \| good	54.503 \| good	51.454 \| good	1.784 \| good	9.86 \| good	0.225 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.328 \| good	50.009 \| good	52.72 \| good	1.773 \| good	9.192 \| good	0.216 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.99 \| good	48.841 \| good	51.425 \| good	1.77 \| good	10.182 \| good	0.215 \| good
2026-10-24T22:00:00.000Z	54 \| moderate	10.542 \| good	46.681 \| good	46.057 \| good	1.735 \| good	13.957 \| good	0.228 \| good

Hoffman Estates

Empower business decisions with accurate air quality data

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

0.26ppm

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

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Frequently asked questions

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

Air quality updates for Hoffman Estates, Illinois are available every hour.

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

Hoffman Estates, Illinois experienced its worst air quality at 04:00:00, 2026-10-22.

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

The best air quality in Hoffman Estates, Illinois was observed at 03:00:00 on 2026-10-22.

What is the air quality in Hoffman Estates, Illinois right now?

The air quality in Hoffman Estates, Illinois right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Hoffman Estates, Illinois?

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

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

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

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

Hoffman Estates, Illinois currently has a PM_2.5 concentration of 10.111 μg/m³.

What is the current level of PM₁₀ in Hoffman Estates, Illinois?

Hoffman Estates, Illinois currently has a PM₁₀ concentration of 36.875 μg/m³.

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

The current carbon monoxide (CO) level in Hoffman Estates, Illinois is 0.258 ppm.

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

The current sulfur dioxide (SO₂) concentration in Hoffman Estates, Illinois is 1.596 ppb.

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

Hoffman Estates, Illinois currently has an ozone (O₃) concentration of 48.046 ppm.

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

The current level of nitrogen dioxide (NO₂) in Hoffman Estates, Illinois is 7.928 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	44 \| good	8.282 \| good	22.102 \| good	35.959 \| good	3.262 \| good	25.151 \| good	0.233 \| good
2026-10-21T00:00:00.000Z	49 \| good	8.505 \| good	34.761 \| good	31.998 \| good	0.925 \| good	24.519 \| good	0.272 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	9.774 \| good	42.056 \| good	27.805 \| good	0.691 \| good	30.202 \| good	0.284 \| good
2026-10-21T02:00:00.000Z	44 \| good	8.248 \| good	24.421 \| good	22.058 \| good	0.587 \| good	29.665 \| good	0.297 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	14.9 \| fine	66.736 \| fine	2.044 \| good	3.15 \| good	41.508 \| good	0.321 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	11.625 \| good	31.098 \| good	11.92 \| good	0.552 \| good	28.411 \| good	0.319 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.484 \| fine	62.239 \| fine	10.202 \| good	1.303 \| good	24.183 \| good	0.295 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.226 \| fine	70.224 \| fine	4.674 \| good	1.668 \| good	22.293 \| good	0.283 \| good
2026-10-21T07:00:00.000Z	66 \| moderate	16.822 \| fine	83.137 \| fine	5.256 \| good	1.437 \| good	18.501 \| good	0.295 \| good
2026-10-21T08:00:00.000Z	66 \| moderate	17.241 \| fine	65.597 \| fine	11.758 \| good	0.836 \| good	19.953 \| good	0.258 \| good
2026-10-21T09:00:00.000Z	66 \| moderate	17.024 \| fine	64.564 \| fine	8.439 \| good	0.808 \| good	19.431 \| good	0.246 \| good
2026-10-21T10:00:00.000Z	75 \| moderate	21.582 \| fine	91.526 \| fine	13.223 \| good	0.868 \| good	20.82 \| good	0.295 \| good
2026-10-21T11:00:00.000Z	75 \| moderate	21.594 \| fine	83.905 \| fine	9.825 \| good	0.939 \| good	23.482 \| good	0.368 \| good
2026-10-21T12:00:00.000Z	86 \| moderate	28.365 \| fine	94.445 \| fine	8.027 \| good	0.915 \| good	22.175 \| good	0.381 \| good
2026-10-21T13:00:00.000Z	71 \| moderate	19.728 \| fine	52.886 \| good	9.611 \| good	0.953 \| good	17.55 \| good	0.381 \| good
2026-10-21T14:00:00.000Z	75 \| moderate	21.592 \| fine	41.313 \| good	13.991 \| good	1.156 \| good	24.594 \| good	0.516 \| good
2026-10-21T15:00:00.000Z	77 \| moderate	23.296 \| fine	62.267 \| fine	12.202 \| good	1.557 \| good	23.287 \| good	0.416 \| good
2026-10-21T16:00:00.000Z	75 \| moderate	22.073 \| fine	87.646 \| fine	13.167 \| good	1.83 \| good	21.418 \| good	0.319 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.117 \| fine	59.048 \| fine	20.108 \| good	1.651 \| good	20.156 \| good	0.271 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	12.515 \| fine	36.462 \| good	28.656 \| good	1.657 \| good	18.938 \| good	0.258 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	13.125 \| fine	48.257 \| good	37.353 \| good	1.15 \| good	14.788 \| good	0.258 \| good
2026-10-21T20:00:00.000Z	44 \| good	7.932 \| good	28.691 \| good	38.582 \| good	1.137 \| good	9.182 \| good	0.258 \| good
2026-10-21T21:00:00.000Z	42 \| good	7.497 \| good	31.708 \| good	44.795 \| good	1.102 \| good	10.561 \| good	0.258 \| good
2026-10-21T22:00:00.000Z	47 \| good	5.26 \| good	38.48 \| good	51.011 \| good	1.263 \| good	14.342 \| good	0.258 \| good
2026-10-21T23:00:00.000Z	42 \| good	6.77 \| good	28.382 \| good	44.963 \| good	1.831 \| good	18.608 \| good	0.27 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.997 \| good	23.718 \| good	42.368 \| good	1.347 \| good	14.859 \| good	0.332 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	11.028 \| good	39.254 \| good	38.103 \| good	0.984 \| good	18.951 \| good	0.371 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.669 \| good	41.857 \| good	29.947 \| good	0.797 \| good	31.242 \| good	0.394 \| good
2026-10-22T03:00:00.000Z	39 \| good	5.571 \| good	23.739 \| good	21.384 \| good	2.661 \| good	40.832 \| good	0.488 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	11.484 \| good	43.186 \| good	23.356 \| good	1.342 \| good	32.412 \| good	0.443 \| good
2026-10-22T05:00:00.000Z	60 \| moderate	13.721 \| fine	56.173 \| fine	23.789 \| good	1.094 \| good	28.273 \| good	0.407 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.928 \| fine	79.009 \| fine	20.56 \| good	1.02 \| good	23.453 \| good	0.475 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.656 \| fine	63.87 \| fine	13.622 \| good	0.995 \| good	24.351 \| good	0.474 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.225 \| fine	55.304 \| fine	5.945 \| good	0.895 \| good	21.828 \| good	0.347 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.089 \| fine	72.779 \| fine	17.076 \| good	0.739 \| good	15.908 \| good	0.334 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	15.795 \| fine	74.717 \| fine	9.989 \| good	0.603 \| good	15.752 \| good	0.321 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.473 \| fine	54.652 \| good	14.248 \| good	0.726 \| good	17.319 \| good	0.497 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.879 \| fine	67.408 \| fine	4.116 \| good	0.71 \| good	18.232 \| good	0.524 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	17.072 \| fine	74.011 \| fine	13.563 \| good	0.832 \| good	19.922 \| good	0.444 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.269 \| fine	58.571 \| fine	10.667 \| good	1.161 \| good	17.048 \| good	0.494 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.081 \| fine	68.205 \| fine	12.245 \| good	1.218 \| good	18.45 \| good	0.542 \| good
2026-10-22T16:00:00.000Z	66 \| moderate	16.503 \| fine	72.259 \| fine	24.494 \| good	1.436 \| good	16.702 \| good	0.322 \| good
2026-10-22T17:00:00.000Z	64 \| moderate	16.303 \| fine	73.31 \| fine	25.247 \| good	1.738 \| good	13.526 \| good	0.296 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	13.067 \| fine	57.971 \| fine	28.705 \| good	1.427 \| good	11.332 \| good	0.246 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	10.915 \| good	50.192 \| good	33.307 \| good	2.104 \| good	10.632 \| good	0.221 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	10.182 \| good	44.98 \| good	38.136 \| good	1.544 \| good	10.341 \| good	0.221 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	10.111 \| good	36.875 \| good	48.046 \| good	1.596 \| good	7.928 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.813 \| good	40.662 \| good	40.275 \| good	1.263 \| good	10.071 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.813 \| good	40.662 \| good	40.275 \| good	1.263 \| good	10.071 \| good	0.258 \| good
2026-10-22T23:00:00.000Z	60 \| moderate	13.527 \| fine	60.854 \| fine	31.796 \| good	1.733 \| good	38.043 \| good	0.373 \| good
2026-10-23T00:00:00.000Z	60 \| moderate	13.728 \| fine	61.768 \| fine	19.64 \| good	2.002 \| good	45.217 \| good	0.448 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	14.662 \| fine	66.019 \| fine	13.012 \| good	2.167 \| good	47.401 \| good	0.464 \| good
2026-10-23T02:00:00.000Z	62 \| moderate	15.298 \| fine	68.275 \| fine	8.705 \| good	2.343 \| good	49.143 \| good	0.461 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.264 \| fine	72.208 \| fine	6.886 \| good	2.527 \| good	49.751 \| good	0.462 \| good
2026-10-23T04:00:00.000Z	62 \| moderate	15.094 \| fine	67.473 \| fine	6.772 \| good	2.671 \| good	49.703 \| good	0.467 \| good
2026-10-23T05:00:00.000Z	60 \| moderate	14.141 \| fine	63.717 \| fine	6.622 \| good	2.664 \| good	49.062 \| good	0.468 \| good
2026-10-23T06:00:00.000Z	60 \| moderate	14.354 \| fine	64.149 \| fine	7.218 \| good	2.609 \| good	48.067 \| good	0.452 \| good
2026-10-23T07:00:00.000Z	62 \| moderate	15.266 \| fine	68.451 \| fine	8.639 \| good	2.668 \| good	46.842 \| good	0.433 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	17.314 \| fine	76.362 \| fine	8.527 \| good	2.809 \| good	45.44 \| good	0.417 \| good
2026-10-23T09:00:00.000Z	73 \| moderate	21.038 \| fine	92.509 \| fine	6.251 \| good	2.993 \| good	43.75 \| good	0.403 \| good
2026-10-23T10:00:00.000Z	82 \| moderate	25.552 \| fine	111.196 \| fine	4.319 \| good	3.242 \| good	41.868 \| good	0.391 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.551 \| fine	115.339 \| fine	2.227 \| good	3.452 \| good	40.094 \| good	0.386 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	25.744 \| fine	112.211 \| fine	0.996 \| good	3.693 \| good	38.641 \| good	0.398 \| good
2026-10-23T13:00:00.000Z	79 \| moderate	24.365 \| fine	106.637 \| fine	6.814 \| good	3.86 \| good	34.559 \| good	0.435 \| good
2026-10-23T14:00:00.000Z	73 \| moderate	21.003 \| fine	92.853 \| fine	17.922 \| good	3.481 \| good	28.896 \| good	0.424 \| good
2026-10-23T15:00:00.000Z	67 \| moderate	18.348 \| fine	80.897 \| fine	28.576 \| good	3.149 \| good	25.409 \| good	0.389 \| good
2026-10-23T16:00:00.000Z	66 \| moderate	16.994 \| fine	75.488 \| fine	37.38 \| good	2.695 \| good	21.183 \| good	0.32 \| good
2026-10-23T17:00:00.000Z	62 \| moderate	15.414 \| fine	68.837 \| fine	44.248 \| good	2.291 \| good	16.315 \| good	0.266 \| good
2026-10-23T18:00:00.000Z	62 \| moderate	14.628 \| fine	65.628 \| fine	49.526 \| good	2.278 \| good	11.233 \| good	0.228 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	13.972 \| fine	62.967 \| fine	53.585 \| good	2.226 \| good	8.464 \| good	0.214 \| good
2026-10-23T20:00:00.000Z	58 \| moderate	13.077 \| fine	58.887 \| fine	55.083 \| fine	2.121 \| good	7.539 \| good	0.208 \| good
2026-10-23T21:00:00.000Z	56 \| moderate	12.078 \| good	54.136 \| good	53.55 \| good	2.096 \| good	8.007 \| good	0.207 \| good
2026-10-23T22:00:00.000Z	58 \| moderate	13.143 \| fine	59.256 \| fine	41.092 \| good	2.03 \| good	14.01 \| good	0.233 \| good
2026-10-23T23:00:00.000Z	64 \| moderate	15.881 \| fine	70.653 \| fine	25.131 \| good	2.081 \| good	24.952 \| good	0.279 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	16.956 \| fine	75.465 \| fine	13.846 \| good	2.202 \| good	32.934 \| good	0.302 \| good
2026-10-24T01:00:00.000Z	64 \| moderate	16.181 \| fine	71.854 \| fine	9.128 \| good	2.291 \| good	35.623 \| good	0.294 \| good
2026-10-24T02:00:00.000Z	66 \| moderate	16.874 \| fine	74.547 \| fine	7.02 \| good	2.324 \| good	36.617 \| good	0.285 \| good
2026-10-24T03:00:00.000Z	66 \| moderate	16.727 \| fine	74.188 \| fine	9.998 \| good	2.318 \| good	35.959 \| good	0.276 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	15.885 \| fine	70.593 \| fine	15.638 \| good	2.272 \| good	33.098 \| good	0.268 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	14.384 \| fine	63.894 \| fine	21.691 \| good	2.166 \| good	26.933 \| good	0.258 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.586 \| fine	61.211 \| fine	23.058 \| good	2.05 \| good	21.109 \| good	0.247 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	13.03 \| fine	58.67 \| fine	22.264 \| good	1.909 \| good	17.024 \| good	0.239 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.7 \| good	51.797 \| good	23.047 \| good	1.776 \| good	14.381 \| good	0.233 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.144 \| fine	54.592 \| good	20.685 \| good	1.671 \| good	12.933 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.926 \| good	52.847 \| good	20.152 \| good	1.607 \| good	12.521 \| good	0.232 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.469 \| fine	56.038 \| fine	19.306 \| good	1.592 \| good	13.242 \| good	0.235 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	12.845 \| fine	57.669 \| fine	17.909 \| good	1.651 \| good	17.142 \| good	0.244 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.255 \| fine	59.377 \| fine	20.316 \| good	1.721 \| good	18.541 \| good	0.258 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	14.955 \| fine	66.584 \| fine	28.816 \| good	1.735 \| good	17.415 \| good	0.273 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.369 \| fine	64.169 \| fine	36.472 \| good	1.779 \| good	15.644 \| good	0.267 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	13.098 \| fine	58.851 \| fine	42.69 \| good	1.792 \| good	14.385 \| good	0.259 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.95 \| good	53.569 \| good	45.962 \| good	1.802 \| good	13.37 \| good	0.251 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	12.174 \| fine	54.768 \| good	48.186 \| good	1.813 \| good	11.71 \| good	0.239 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	12.076 \| good	54.503 \| good	51.454 \| good	1.784 \| good	9.86 \| good	0.225 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.328 \| good	50.009 \| good	52.72 \| good	1.773 \| good	9.192 \| good	0.216 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.99 \| good	48.841 \| good	51.425 \| good	1.77 \| good	10.182 \| good	0.215 \| good
2026-10-24T22:00:00.000Z	54 \| moderate	10.542 \| good	46.681 \| good	46.057 \| good	1.735 \| good	13.957 \| good	0.228 \| good

Current air quality index in Hoffman Estates, Illinois today

Common air pollutants in Hoffman Estates, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

Schaumburg, Illinois

Streamwood, Illinois

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Bartlett, Illinois

Rolling Meadows, Illinois

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Frequently asked questions

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

What is the current level of PM10 in Hoffman Estates, Illinois?

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

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

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

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

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 Hoffman Estates, Illinois right now?

What is the current level of PM₁₀ in Hoffman Estates, Illinois?

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

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