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

Hoffman Estates, Illinois currently has a PM10 concentration of 32.194 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 0.348 ppb.

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

Hoffman Estates, Illinois currently has an ozone (O3) concentration of 23.627 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 4.348 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 7.242 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)

Good

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)

6.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.82 μg/m³

155

255

425

605+

Ozone (O₃)

20.81 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-04-25T22:00:00.000Z	32 \| good	4.143 \| good	11.541 \| good	34.823 \| good	0.608 \| good	1.879 \| good	0.149 \| good
2026-04-25T23:00:00.000Z	32 \| good	3.361 \| good	12.315 \| good	35.331 \| good	0.619 \| good	2.099 \| good	0.199 \| good
2026-04-26T00:00:00.000Z	34 \| good	4.091 \| good	14.196 \| good	37.349 \| good	0.591 \| good	2.801 \| good	0.162 \| good
2026-04-26T01:00:00.000Z	32 \| good	4.136 \| good	16.637 \| good	34.993 \| good	0.346 \| good	6.45 \| good	0.235 \| good
2026-04-26T02:00:00.000Z	31 \| good	4.36 \| good	17.53 \| good	34.185 \| good	0.404 \| good	9.445 \| good	0.235 \| good
2026-04-26T03:00:00.000Z	30 \| good	5.315 \| good	22.592 \| good	32.416 \| good	0.396 \| good	8.555 \| good	0.248 \| good
2026-04-26T04:00:00.000Z	27 \| good	4.714 \| good	21.379 \| good	28.046 \| good	0.34 \| good	7.701 \| good	0.235 \| good
2026-04-26T05:00:00.000Z	29 \| good	4.717 \| good	16.836 \| good	30.765 \| good	0.329 \| good	7.242 \| good	0.199 \| good
2026-04-26T06:00:00.000Z	31 \| good	4.76 \| good	20.013 \| good	32.907 \| good	0.315 \| good	5.405 \| good	0.199 \| good
2026-04-26T07:00:00.000Z	30 \| good	4.61 \| good	20.508 \| good	32.059 \| good	0.435 \| good	4.825 \| good	0.199 \| good
2026-04-26T08:00:00.000Z	28 \| good	3.821 \| good	18.931 \| good	30.273 \| good	0.363 \| good	3.267 \| good	0.162 \| good
2026-04-26T09:00:00.000Z	29 \| good	4.241 \| good	18.265 \| good	31.002 \| good	0.39 \| good	2.668 \| good	0.162 \| good
2026-04-26T10:00:00.000Z	27 \| good	4.063 \| good	18.576 \| good	29.469 \| good	0.309 \| good	6.387 \| good	0.149 \| good
2026-04-26T11:00:00.000Z	27 \| good	4.757 \| good	17.378 \| good	26.612 \| good	0.447 \| good	8.022 \| good	0.162 \| good
2026-04-26T12:00:00.000Z	27 \| good	5.062 \| good	22.059 \| good	24.47 \| good	0.478 \| good	3.506 \| good	0.162 \| good
2026-04-26T13:00:00.000Z	38 \| good	6.557 \| good	18.534 \| good	27.151 \| good	0.447 \| good	3.439 \| good	0.162 \| good
2026-04-26T14:00:00.000Z	38 \| good	7.148 \| good	25.606 \| good	24.853 \| good	0.464 \| good	1.474 \| good	0.165 \| good
2026-04-26T15:00:00.000Z	56 \| moderate	12.272 \| fine	36.119 \| good	30.577 \| good	0.543 \| good	1.518 \| good	0.162 \| good
2026-04-26T16:00:00.000Z	56 \| moderate	12.435 \| fine	49.628 \| good	32.864 \| good	0.615 \| good	1.536 \| good	0.162 \| good
2026-04-26T17:00:00.000Z	58 \| moderate	12.565 \| fine	44.057 \| good	34.577 \| good	0.842 \| good	1.731 \| good	0.162 \| good
2026-04-26T18:00:00.000Z	52 \| moderate	10.424 \| good	39.2 \| good	37.191 \| good	1.935 \| good	1.362 \| good	0.162 \| good
2026-04-26T19:00:00.000Z	54 \| moderate	11.124 \| good	47.996 \| good	36.619 \| good	1.91 \| good	1.465 \| good	0.162 \| good
2026-04-26T20:00:00.000Z	54 \| moderate	10.725 \| good	46.217 \| good	38.286 \| good	2.135 \| good	1.397 \| good	0.162 \| good
2026-04-26T21:00:00.000Z	52 \| moderate	9.807 \| good	17.77 \| good	41.667 \| good	2.105 \| good	1.369 \| good	0.162 \| good
2026-04-26T22:00:00.000Z	52 \| moderate	10.3 \| good	37.571 \| good	41.301 \| good	1.567 \| good	2.211 \| good	0.162 \| good
2026-04-26T23:00:00.000Z	49 \| good	9.484 \| good	44.673 \| good	43.258 \| good	0.85 \| good	3.749 \| good	0.162 \| good
2026-04-27T00:00:00.000Z	49 \| good	9.028 \| good	33.354 \| good	40.832 \| good	0.715 \| good	5.634 \| good	0.149 \| good
2026-04-27T01:00:00.000Z	49 \| good	9.235 \| good	31.552 \| good	39.609 \| good	0.478 \| good	5.362 \| good	0.162 \| good
2026-04-27T02:00:00.000Z	54 \| moderate	10.524 \| good	44.97 \| good	36.056 \| good	0.538 \| good	8.562 \| good	0.171 \| good
2026-04-27T03:00:00.000Z	33 \| good	6.471 \| good	28.574 \| good	31.244 \| good	1.259 \| good	12.664 \| good	0.216 \| good
2026-04-27T04:00:00.000Z	52 \| moderate	9.903 \| good	40.276 \| good	35.431 \| good	0.558 \| good	10.207 \| good	0.162 \| good
2026-04-27T05:00:00.000Z	52 \| moderate	10.246 \| good	31.875 \| good	31.721 \| good	2.037 \| good	6.763 \| good	0.186 \| good
2026-04-27T06:00:00.000Z	49 \| good	9.473 \| good	20.028 \| good	33.029 \| good	1.446 \| good	2.065 \| good	0.162 \| good
2026-04-27T07:00:00.000Z	52 \| moderate	9.73 \| good	46.154 \| good	34.057 \| good	0.561 \| good	3.058 \| good	0.162 \| good
2026-04-27T08:00:00.000Z	49 \| good	8.847 \| good	29.121 \| good	28.072 \| good	0.333 \| good	2.355 \| good	0.149 \| good
2026-04-27T09:00:00.000Z	49 \| good	8.928 \| good	39.311 \| good	30.591 \| good	0.345 \| good	1.897 \| good	0.149 \| good
2026-04-27T10:00:00.000Z	38 \| good	7.23 \| good	29.306 \| good	30.599 \| good	0.314 \| good	2.362 \| good	0.149 \| good
2026-04-27T11:00:00.000Z	44 \| good	7.935 \| good	30.927 \| good	29.559 \| good	0.43 \| good	2.563 \| good	0.162 \| good
2026-04-27T12:00:00.000Z	44 \| good	8.03 \| good	25.862 \| good	28.704 \| good	0.43 \| good	3.098 \| good	0.149 \| good
2026-04-27T13:00:00.000Z	44 \| good	7.958 \| good	32.728 \| good	23.983 \| good	0.463 \| good	5.203 \| good	0.162 \| good
2026-04-27T14:00:00.000Z	44 \| good	7.756 \| good	28.921 \| good	26.959 \| good	0.475 \| good	3.562 \| good	0.184 \| good
2026-04-27T15:00:00.000Z	38 \| good	7.135 \| good	29.231 \| good	25.633 \| good	0.433 \| good	5.834 \| good	0.171 \| good
2026-04-27T16:00:00.000Z	33 \| good	6.405 \| good	28.164 \| good	25.156 \| good	0.512 \| good	3.347 \| good	0.171 \| good
2026-04-27T17:00:00.000Z	38 \| good	7.361 \| good	26.897 \| good	25.591 \| good	0.468 \| good	3.701 \| good	0.171 \| good
2026-04-27T18:00:00.000Z	52 \| moderate	9.615 \| good	39.417 \| good	21.672 \| good	0.435 \| good	4.374 \| good	0.171 \| good
2026-04-27T19:00:00.000Z	38 \| good	7.242 \| good	32.194 \| good	23.627 \| good	0.348 \| good	4.348 \| good	0.184 \| good
2026-04-27T20:00:00.000Z	33 \| good	6.491 \| good	26.815 \| good	20.81 \| good	0.432 \| good	6.005 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	27 \| good	5.489 \| good	22.641 \| good	26.08 \| good	0.423 \| good	3.286 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	33 \| good	6.491 \| good	26.815 \| good	20.81 \| good	0.432 \| good	6.005 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	44 \| good	8.271 \| good	36.008 \| good	35.941 \| good	1.635 \| good	4.999 \| good	0.176 \| good
2026-04-27T22:00:00.000Z	44 \| good	7.663 \| good	34 \| good	41.624 \| good	1.324 \| good	5.299 \| good	0.175 \| good
2026-04-27T23:00:00.000Z	44 \| good	7.961 \| good	34.984 \| good	47.046 \| good	1.013 \| good	5.598 \| good	0.173 \| good
2026-04-28T00:00:00.000Z	50 \| good	6.843 \| good	30.05 \| good	53.621 \| good	0.701 \| good	5.898 \| good	0.172 \| good
2026-04-28T01:00:00.000Z	51 \| moderate	6.95 \| good	30.989 \| good	55.259 \| fine	0.653 \| good	5.711 \| good	0.167 \| good
2026-04-28T02:00:00.000Z	50 \| good	7.133 \| good	31.946 \| good	53.606 \| good	0.605 \| good	5.524 \| good	0.163 \| good
2026-04-28T03:00:00.000Z	48 \| good	6.561 \| good	29.032 \| good	51.64 \| good	0.557 \| good	5.336 \| good	0.158 \| good
2026-04-28T04:00:00.000Z	45 \| good	6.572 \| good	29.032 \| good	49.494 \| good	0.532 \| good	4.797 \| good	0.156 \| good
2026-04-28T05:00:00.000Z	47 \| good	5.94 \| good	26.91 \| good	51.102 \| good	0.507 \| good	4.258 \| good	0.155 \| good
2026-04-28T06:00:00.000Z	50 \| good	4.171 \| good	18.015 \| good	53.774 \| good	0.482 \| good	3.718 \| good	0.153 \| good
2026-04-28T07:00:00.000Z	45 \| good	4 \| good	17.053 \| good	48.587 \| good	0.43 \| good	3.311 \| good	0.153 \| good
2026-04-28T08:00:00.000Z	34 \| good	5.001 \| good	21.057 \| good	37.254 \| good	0.377 \| good	2.904 \| good	0.153 \| good
2026-04-28T09:00:00.000Z	38 \| good	6.575 \| good	29.007 \| good	34.583 \| good	0.325 \| good	2.496 \| good	0.153 \| good
2026-04-28T10:00:00.000Z	38 \| good	7.125 \| good	31.951 \| good	35.878 \| good	0.34 \| good	2.507 \| good	0.152 \| good
2026-04-28T11:00:00.000Z	38 \| good	6.894 \| good	30.093 \| good	34.767 \| good	0.356 \| good	2.517 \| good	0.151 \| good
2026-04-28T12:00:00.000Z	44 \| good	8.046 \| good	35.005 \| good	33.168 \| good	0.371 \| good	2.527 \| good	0.151 \| good
2026-04-28T13:00:00.000Z	44 \| good	7.954 \| good	34.99 \| good	30.719 \| good	0.421 \| good	2.429 \| good	0.152 \| good
2026-04-28T14:00:00.000Z	38 \| good	6.993 \| good	31.018 \| good	31.122 \| good	0.47 \| good	2.33 \| good	0.153 \| good
2026-04-28T15:00:00.000Z	33 \| good	5.535 \| good	24.016 \| good	32.925 \| good	0.52 \| good	2.232 \| good	0.153 \| good
2026-04-28T16:00:00.000Z	33 \| good	5.462 \| good	23.045 \| good	36.158 \| good	0.491 \| good	2.008 \| good	0.152 \| good
2026-04-28T17:00:00.000Z	37 \| good	6.064 \| good	26.993 \| good	39.715 \| good	0.461 \| good	1.785 \| good	0.151 \| good
2026-04-28T18:00:00.000Z	40 \| good	7.113 \| good	31.98 \| good	42.802 \| good	0.432 \| good	1.562 \| good	0.15 \| good
2026-04-28T19:00:00.000Z	41 \| good	6.819 \| good	30.044 \| good	43.857 \| good	0.45 \| good	1.643 \| good	0.149 \| good
2026-04-28T20:00:00.000Z	43 \| good	7.017 \| good	31.028 \| good	46.197 \| good	0.468 \| good	1.724 \| good	0.148 \| good
2026-04-28T21:00:00.000Z	44 \| good	7.654 \| good	33.98 \| good	45.034 \| good	0.485 \| good	1.806 \| good	0.147 \| good
2026-04-28T22:00:00.000Z	44 \| good	7.556 \| good	33.03 \| good	44.011 \| good	0.536 \| good	4.063 \| good	0.157 \| good
2026-04-28T23:00:00.000Z	39 \| good	7.374 \| good	32.095 \| good	41.798 \| good	0.587 \| good	6.321 \| good	0.168 \| good
2026-04-29T00:00:00.000Z	44 \| good	8.375 \| good	37.005 \| good	34.151 \| good	0.638 \| good	8.578 \| good	0.178 \| good
2026-04-29T01:00:00.000Z	54 \| moderate	11.374 \| good	50.065 \| good	25.281 \| good	0.806 \| good	12.258 \| good	0.196 \| good
2026-04-29T02:00:00.000Z	58 \| moderate	12.613 \| fine	57.048 \| fine	20.563 \| good	0.975 \| good	15.938 \| good	0.214 \| good
2026-04-29T03:00:00.000Z	58 \| moderate	12.58 \| fine	57.064 \| fine	20.275 \| good	1.143 \| good	19.617 \| good	0.231 \| good
2026-04-29T04:00:00.000Z	54 \| moderate	11.082 \| good	49.199 \| good	20.497 \| good	1.23 \| good	19.847 \| good	0.231 \| good
2026-04-29T05:00:00.000Z	52 \| moderate	9.779 \| good	43.179 \| good	21.484 \| good	1.318 \| good	20.077 \| good	0.231 \| good
2026-04-29T06:00:00.000Z	56 \| moderate	11.588 \| good	51.119 \| good	20.547 \| good	1.405 \| good	20.306 \| good	0.231 \| good
2026-04-29T07:00:00.000Z	52 \| moderate	9.996 \| good	44.096 \| good	28.958 \| good	1.372 \| good	19.18 \| good	0.221 \| good
2026-04-29T08:00:00.000Z	33 \| good	5.875 \| good	25.154 \| good	34.224 \| good	1.338 \| good	18.054 \| good	0.212 \| good
2026-04-29T09:00:00.000Z	30 \| good	5.268 \| good	22.971 \| good	31.599 \| good	1.304 \| good	16.928 \| good	0.202 \| good
2026-04-29T10:00:00.000Z	33 \| good	5.603 \| good	24.148 \| good	30.245 \| good	1.212 \| good	14.227 \| good	0.192 \| good
2026-04-29T11:00:00.000Z	27 \| good	5.113 \| good	22.03 \| good	28.95 \| good	1.12 \| good	11.527 \| good	0.183 \| good
2026-04-29T12:00:00.000Z	28 \| good	4.047 \| good	17.95 \| good	29.624 \| good	1.028 \| good	8.827 \| good	0.173 \| good
2026-04-29T13:00:00.000Z	28 \| good	3.488 \| good	15.029 \| good	30.295 \| good	1.095 \| good	7.298 \| good	0.17 \| good
2026-04-29T14:00:00.000Z	29 \| good	2.871 \| good	12.04 \| good	31.313 \| good	1.162 \| good	5.77 \| good	0.167 \| good
2026-04-29T15:00:00.000Z	32 \| good	1.957 \| good	8.024 \| good	34.914 \| good	1.229 \| good	4.241 \| good	0.164 \| good
2026-04-29T16:00:00.000Z	33 \| good	1.875 \| good	7.983 \| good	35.823 \| good	1.097 \| good	3.777 \| good	0.159 \| good
2026-04-29T17:00:00.000Z	33 \| good	2.441 \| good	10.037 \| good	35.736 \| good	0.966 \| good	3.314 \| good	0.153 \| good
2026-04-29T18:00:00.000Z	35 \| good	2.968 \| good	12.06 \| good	37.725 \| good	0.835 \| good	2.85 \| good	0.147 \| good
2026-04-29T19:00:00.000Z	35 \| good	2.068 \| good	8.07 \| good	38.095 \| good	0.793 \| good	3.029 \| good	0.146 \| good
2026-04-29T20:00:00.000Z	35 \| good	1.761 \| good	7.054 \| good	37.586 \| good	0.752 \| good	3.208 \| good	0.146 \| good

Hoffman Estates

Empower business decisions with accurate air quality data

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

0.18ppm

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, 2026-04-27.

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 07:00:00 on 2026-04-27.

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

The air quality in Hoffman Estates, Illinois right now is Good, with an AQI of 38.

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 7.242 μg/m³.

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

Hoffman Estates, Illinois currently has a PM₁₀ concentration of 32.194 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 0.184 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 0.348 ppb.

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

Hoffman Estates, Illinois currently has an ozone (O₃) concentration of 23.627 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 4.348 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-25T22:00:00.000Z	32 \| good	4.143 \| good	11.541 \| good	34.823 \| good	0.608 \| good	1.879 \| good	0.149 \| good
2026-04-25T23:00:00.000Z	32 \| good	3.361 \| good	12.315 \| good	35.331 \| good	0.619 \| good	2.099 \| good	0.199 \| good
2026-04-26T00:00:00.000Z	34 \| good	4.091 \| good	14.196 \| good	37.349 \| good	0.591 \| good	2.801 \| good	0.162 \| good
2026-04-26T01:00:00.000Z	32 \| good	4.136 \| good	16.637 \| good	34.993 \| good	0.346 \| good	6.45 \| good	0.235 \| good
2026-04-26T02:00:00.000Z	31 \| good	4.36 \| good	17.53 \| good	34.185 \| good	0.404 \| good	9.445 \| good	0.235 \| good
2026-04-26T03:00:00.000Z	30 \| good	5.315 \| good	22.592 \| good	32.416 \| good	0.396 \| good	8.555 \| good	0.248 \| good
2026-04-26T04:00:00.000Z	27 \| good	4.714 \| good	21.379 \| good	28.046 \| good	0.34 \| good	7.701 \| good	0.235 \| good
2026-04-26T05:00:00.000Z	29 \| good	4.717 \| good	16.836 \| good	30.765 \| good	0.329 \| good	7.242 \| good	0.199 \| good
2026-04-26T06:00:00.000Z	31 \| good	4.76 \| good	20.013 \| good	32.907 \| good	0.315 \| good	5.405 \| good	0.199 \| good
2026-04-26T07:00:00.000Z	30 \| good	4.61 \| good	20.508 \| good	32.059 \| good	0.435 \| good	4.825 \| good	0.199 \| good
2026-04-26T08:00:00.000Z	28 \| good	3.821 \| good	18.931 \| good	30.273 \| good	0.363 \| good	3.267 \| good	0.162 \| good
2026-04-26T09:00:00.000Z	29 \| good	4.241 \| good	18.265 \| good	31.002 \| good	0.39 \| good	2.668 \| good	0.162 \| good
2026-04-26T10:00:00.000Z	27 \| good	4.063 \| good	18.576 \| good	29.469 \| good	0.309 \| good	6.387 \| good	0.149 \| good
2026-04-26T11:00:00.000Z	27 \| good	4.757 \| good	17.378 \| good	26.612 \| good	0.447 \| good	8.022 \| good	0.162 \| good
2026-04-26T12:00:00.000Z	27 \| good	5.062 \| good	22.059 \| good	24.47 \| good	0.478 \| good	3.506 \| good	0.162 \| good
2026-04-26T13:00:00.000Z	38 \| good	6.557 \| good	18.534 \| good	27.151 \| good	0.447 \| good	3.439 \| good	0.162 \| good
2026-04-26T14:00:00.000Z	38 \| good	7.148 \| good	25.606 \| good	24.853 \| good	0.464 \| good	1.474 \| good	0.165 \| good
2026-04-26T15:00:00.000Z	56 \| moderate	12.272 \| fine	36.119 \| good	30.577 \| good	0.543 \| good	1.518 \| good	0.162 \| good
2026-04-26T16:00:00.000Z	56 \| moderate	12.435 \| fine	49.628 \| good	32.864 \| good	0.615 \| good	1.536 \| good	0.162 \| good
2026-04-26T17:00:00.000Z	58 \| moderate	12.565 \| fine	44.057 \| good	34.577 \| good	0.842 \| good	1.731 \| good	0.162 \| good
2026-04-26T18:00:00.000Z	52 \| moderate	10.424 \| good	39.2 \| good	37.191 \| good	1.935 \| good	1.362 \| good	0.162 \| good
2026-04-26T19:00:00.000Z	54 \| moderate	11.124 \| good	47.996 \| good	36.619 \| good	1.91 \| good	1.465 \| good	0.162 \| good
2026-04-26T20:00:00.000Z	54 \| moderate	10.725 \| good	46.217 \| good	38.286 \| good	2.135 \| good	1.397 \| good	0.162 \| good
2026-04-26T21:00:00.000Z	52 \| moderate	9.807 \| good	17.77 \| good	41.667 \| good	2.105 \| good	1.369 \| good	0.162 \| good
2026-04-26T22:00:00.000Z	52 \| moderate	10.3 \| good	37.571 \| good	41.301 \| good	1.567 \| good	2.211 \| good	0.162 \| good
2026-04-26T23:00:00.000Z	49 \| good	9.484 \| good	44.673 \| good	43.258 \| good	0.85 \| good	3.749 \| good	0.162 \| good
2026-04-27T00:00:00.000Z	49 \| good	9.028 \| good	33.354 \| good	40.832 \| good	0.715 \| good	5.634 \| good	0.149 \| good
2026-04-27T01:00:00.000Z	49 \| good	9.235 \| good	31.552 \| good	39.609 \| good	0.478 \| good	5.362 \| good	0.162 \| good
2026-04-27T02:00:00.000Z	54 \| moderate	10.524 \| good	44.97 \| good	36.056 \| good	0.538 \| good	8.562 \| good	0.171 \| good
2026-04-27T03:00:00.000Z	33 \| good	6.471 \| good	28.574 \| good	31.244 \| good	1.259 \| good	12.664 \| good	0.216 \| good
2026-04-27T04:00:00.000Z	52 \| moderate	9.903 \| good	40.276 \| good	35.431 \| good	0.558 \| good	10.207 \| good	0.162 \| good
2026-04-27T05:00:00.000Z	52 \| moderate	10.246 \| good	31.875 \| good	31.721 \| good	2.037 \| good	6.763 \| good	0.186 \| good
2026-04-27T06:00:00.000Z	49 \| good	9.473 \| good	20.028 \| good	33.029 \| good	1.446 \| good	2.065 \| good	0.162 \| good
2026-04-27T07:00:00.000Z	52 \| moderate	9.73 \| good	46.154 \| good	34.057 \| good	0.561 \| good	3.058 \| good	0.162 \| good
2026-04-27T08:00:00.000Z	49 \| good	8.847 \| good	29.121 \| good	28.072 \| good	0.333 \| good	2.355 \| good	0.149 \| good
2026-04-27T09:00:00.000Z	49 \| good	8.928 \| good	39.311 \| good	30.591 \| good	0.345 \| good	1.897 \| good	0.149 \| good
2026-04-27T10:00:00.000Z	38 \| good	7.23 \| good	29.306 \| good	30.599 \| good	0.314 \| good	2.362 \| good	0.149 \| good
2026-04-27T11:00:00.000Z	44 \| good	7.935 \| good	30.927 \| good	29.559 \| good	0.43 \| good	2.563 \| good	0.162 \| good
2026-04-27T12:00:00.000Z	44 \| good	8.03 \| good	25.862 \| good	28.704 \| good	0.43 \| good	3.098 \| good	0.149 \| good
2026-04-27T13:00:00.000Z	44 \| good	7.958 \| good	32.728 \| good	23.983 \| good	0.463 \| good	5.203 \| good	0.162 \| good
2026-04-27T14:00:00.000Z	44 \| good	7.756 \| good	28.921 \| good	26.959 \| good	0.475 \| good	3.562 \| good	0.184 \| good
2026-04-27T15:00:00.000Z	38 \| good	7.135 \| good	29.231 \| good	25.633 \| good	0.433 \| good	5.834 \| good	0.171 \| good
2026-04-27T16:00:00.000Z	33 \| good	6.405 \| good	28.164 \| good	25.156 \| good	0.512 \| good	3.347 \| good	0.171 \| good
2026-04-27T17:00:00.000Z	38 \| good	7.361 \| good	26.897 \| good	25.591 \| good	0.468 \| good	3.701 \| good	0.171 \| good
2026-04-27T18:00:00.000Z	52 \| moderate	9.615 \| good	39.417 \| good	21.672 \| good	0.435 \| good	4.374 \| good	0.171 \| good
2026-04-27T19:00:00.000Z	38 \| good	7.242 \| good	32.194 \| good	23.627 \| good	0.348 \| good	4.348 \| good	0.184 \| good
2026-04-27T20:00:00.000Z	33 \| good	6.491 \| good	26.815 \| good	20.81 \| good	0.432 \| good	6.005 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	27 \| good	5.489 \| good	22.641 \| good	26.08 \| good	0.423 \| good	3.286 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	33 \| good	6.491 \| good	26.815 \| good	20.81 \| good	0.432 \| good	6.005 \| good	0.171 \| good
2026-04-27T21:00:00.000Z	44 \| good	8.271 \| good	36.008 \| good	35.941 \| good	1.635 \| good	4.999 \| good	0.176 \| good
2026-04-27T22:00:00.000Z	44 \| good	7.663 \| good	34 \| good	41.624 \| good	1.324 \| good	5.299 \| good	0.175 \| good
2026-04-27T23:00:00.000Z	44 \| good	7.961 \| good	34.984 \| good	47.046 \| good	1.013 \| good	5.598 \| good	0.173 \| good
2026-04-28T00:00:00.000Z	50 \| good	6.843 \| good	30.05 \| good	53.621 \| good	0.701 \| good	5.898 \| good	0.172 \| good
2026-04-28T01:00:00.000Z	51 \| moderate	6.95 \| good	30.989 \| good	55.259 \| fine	0.653 \| good	5.711 \| good	0.167 \| good
2026-04-28T02:00:00.000Z	50 \| good	7.133 \| good	31.946 \| good	53.606 \| good	0.605 \| good	5.524 \| good	0.163 \| good
2026-04-28T03:00:00.000Z	48 \| good	6.561 \| good	29.032 \| good	51.64 \| good	0.557 \| good	5.336 \| good	0.158 \| good
2026-04-28T04:00:00.000Z	45 \| good	6.572 \| good	29.032 \| good	49.494 \| good	0.532 \| good	4.797 \| good	0.156 \| good
2026-04-28T05:00:00.000Z	47 \| good	5.94 \| good	26.91 \| good	51.102 \| good	0.507 \| good	4.258 \| good	0.155 \| good
2026-04-28T06:00:00.000Z	50 \| good	4.171 \| good	18.015 \| good	53.774 \| good	0.482 \| good	3.718 \| good	0.153 \| good
2026-04-28T07:00:00.000Z	45 \| good	4 \| good	17.053 \| good	48.587 \| good	0.43 \| good	3.311 \| good	0.153 \| good
2026-04-28T08:00:00.000Z	34 \| good	5.001 \| good	21.057 \| good	37.254 \| good	0.377 \| good	2.904 \| good	0.153 \| good
2026-04-28T09:00:00.000Z	38 \| good	6.575 \| good	29.007 \| good	34.583 \| good	0.325 \| good	2.496 \| good	0.153 \| good
2026-04-28T10:00:00.000Z	38 \| good	7.125 \| good	31.951 \| good	35.878 \| good	0.34 \| good	2.507 \| good	0.152 \| good
2026-04-28T11:00:00.000Z	38 \| good	6.894 \| good	30.093 \| good	34.767 \| good	0.356 \| good	2.517 \| good	0.151 \| good
2026-04-28T12:00:00.000Z	44 \| good	8.046 \| good	35.005 \| good	33.168 \| good	0.371 \| good	2.527 \| good	0.151 \| good
2026-04-28T13:00:00.000Z	44 \| good	7.954 \| good	34.99 \| good	30.719 \| good	0.421 \| good	2.429 \| good	0.152 \| good
2026-04-28T14:00:00.000Z	38 \| good	6.993 \| good	31.018 \| good	31.122 \| good	0.47 \| good	2.33 \| good	0.153 \| good
2026-04-28T15:00:00.000Z	33 \| good	5.535 \| good	24.016 \| good	32.925 \| good	0.52 \| good	2.232 \| good	0.153 \| good
2026-04-28T16:00:00.000Z	33 \| good	5.462 \| good	23.045 \| good	36.158 \| good	0.491 \| good	2.008 \| good	0.152 \| good
2026-04-28T17:00:00.000Z	37 \| good	6.064 \| good	26.993 \| good	39.715 \| good	0.461 \| good	1.785 \| good	0.151 \| good
2026-04-28T18:00:00.000Z	40 \| good	7.113 \| good	31.98 \| good	42.802 \| good	0.432 \| good	1.562 \| good	0.15 \| good
2026-04-28T19:00:00.000Z	41 \| good	6.819 \| good	30.044 \| good	43.857 \| good	0.45 \| good	1.643 \| good	0.149 \| good
2026-04-28T20:00:00.000Z	43 \| good	7.017 \| good	31.028 \| good	46.197 \| good	0.468 \| good	1.724 \| good	0.148 \| good
2026-04-28T21:00:00.000Z	44 \| good	7.654 \| good	33.98 \| good	45.034 \| good	0.485 \| good	1.806 \| good	0.147 \| good
2026-04-28T22:00:00.000Z	44 \| good	7.556 \| good	33.03 \| good	44.011 \| good	0.536 \| good	4.063 \| good	0.157 \| good
2026-04-28T23:00:00.000Z	39 \| good	7.374 \| good	32.095 \| good	41.798 \| good	0.587 \| good	6.321 \| good	0.168 \| good
2026-04-29T00:00:00.000Z	44 \| good	8.375 \| good	37.005 \| good	34.151 \| good	0.638 \| good	8.578 \| good	0.178 \| good
2026-04-29T01:00:00.000Z	54 \| moderate	11.374 \| good	50.065 \| good	25.281 \| good	0.806 \| good	12.258 \| good	0.196 \| good
2026-04-29T02:00:00.000Z	58 \| moderate	12.613 \| fine	57.048 \| fine	20.563 \| good	0.975 \| good	15.938 \| good	0.214 \| good
2026-04-29T03:00:00.000Z	58 \| moderate	12.58 \| fine	57.064 \| fine	20.275 \| good	1.143 \| good	19.617 \| good	0.231 \| good
2026-04-29T04:00:00.000Z	54 \| moderate	11.082 \| good	49.199 \| good	20.497 \| good	1.23 \| good	19.847 \| good	0.231 \| good
2026-04-29T05:00:00.000Z	52 \| moderate	9.779 \| good	43.179 \| good	21.484 \| good	1.318 \| good	20.077 \| good	0.231 \| good
2026-04-29T06:00:00.000Z	56 \| moderate	11.588 \| good	51.119 \| good	20.547 \| good	1.405 \| good	20.306 \| good	0.231 \| good
2026-04-29T07:00:00.000Z	52 \| moderate	9.996 \| good	44.096 \| good	28.958 \| good	1.372 \| good	19.18 \| good	0.221 \| good
2026-04-29T08:00:00.000Z	33 \| good	5.875 \| good	25.154 \| good	34.224 \| good	1.338 \| good	18.054 \| good	0.212 \| good
2026-04-29T09:00:00.000Z	30 \| good	5.268 \| good	22.971 \| good	31.599 \| good	1.304 \| good	16.928 \| good	0.202 \| good
2026-04-29T10:00:00.000Z	33 \| good	5.603 \| good	24.148 \| good	30.245 \| good	1.212 \| good	14.227 \| good	0.192 \| good
2026-04-29T11:00:00.000Z	27 \| good	5.113 \| good	22.03 \| good	28.95 \| good	1.12 \| good	11.527 \| good	0.183 \| good
2026-04-29T12:00:00.000Z	28 \| good	4.047 \| good	17.95 \| good	29.624 \| good	1.028 \| good	8.827 \| good	0.173 \| good
2026-04-29T13:00:00.000Z	28 \| good	3.488 \| good	15.029 \| good	30.295 \| good	1.095 \| good	7.298 \| good	0.17 \| good
2026-04-29T14:00:00.000Z	29 \| good	2.871 \| good	12.04 \| good	31.313 \| good	1.162 \| good	5.77 \| good	0.167 \| good
2026-04-29T15:00:00.000Z	32 \| good	1.957 \| good	8.024 \| good	34.914 \| good	1.229 \| good	4.241 \| good	0.164 \| good
2026-04-29T16:00:00.000Z	33 \| good	1.875 \| good	7.983 \| good	35.823 \| good	1.097 \| good	3.777 \| good	0.159 \| good
2026-04-29T17:00:00.000Z	33 \| good	2.441 \| good	10.037 \| good	35.736 \| good	0.966 \| good	3.314 \| good	0.153 \| good
2026-04-29T18:00:00.000Z	35 \| good	2.968 \| good	12.06 \| good	37.725 \| good	0.835 \| good	2.85 \| good	0.147 \| good
2026-04-29T19:00:00.000Z	35 \| good	2.068 \| good	8.07 \| good	38.095 \| good	0.793 \| good	3.029 \| good	0.146 \| good
2026-04-29T20:00:00.000Z	35 \| good	1.761 \| good	7.054 \| good	37.586 \| good	0.752 \| good	3.208 \| good	0.146 \| 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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Air quality in nearby cities

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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