What is the PM10 level in Ottawa, Illinois at the moment?

The PM10 concentration in Ottawa, Illinois is 5.706 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Ottawa, Illinois at the moment?

Currently, Ottawa, Illinois has a sulfur dioxide (SO2) concentration of 0.605 ppb.

What is the ozone (O3) level in Ottawa, Illinois at the moment?

The current ozone (O3) level in Ottawa, Illinois at the moment is 42.465 ppm.

What is the nitrogen dioxide (NO2) level in Ottawa, Illinois at the moment?

Nitrogen dioxide (NO2) level in Ottawa, Illinois at the moment is 2.114 ppb.

Live air quality index in Ottawa, Illinois today

Q: What is the PM2.5 level in Ottawa, Illinois at the moment?

PM2.5 levels in Ottawa, Illinois are currently 1.492 μg/m3.

Stay updated with real-time air quality in Ottawa, 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

Ottawa, Illinois

Last updated: ... (Local time)

Major air pollutants in Ottawa, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

5.71 μg/m³

155

255

425

605+

Ozone (O₃)

42.47 ppb

201

201+

Sulfur Dioxide (SO₂)

0.60 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Ottawa, Illinois

Get Live Pollen Counts

Ottawa, Illinois

Scroll To Air Quality Map

Track live Ottawa, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T02:00:00.000Z	27 \| good	4.832 \| good	20.868 \| good	23.709 \| good	0.12 \| good	2.602 \| good	0.179 \| good
2026-07-22T03:00:00.000Z	27 \| good	5.027 \| good	21.496 \| good	22.157 \| good	0.146 \| good	3.161 \| good	0.185 \| good
2026-07-22T04:00:00.000Z	22 \| good	4.393 \| good	19.219 \| good	21.061 \| good	0.182 \| good	4.006 \| good	0.192 \| good
2026-07-22T05:00:00.000Z	17 \| good	3.489 \| good	15.457 \| good	18.393 \| good	0.259 \| good	4.858 \| good	0.198 \| good
2026-07-22T06:00:00.000Z	16 \| good	2.823 \| good	11.513 \| good	17.053 \| good	0.355 \| good	5.143 \| good	0.197 \| good
2026-07-22T07:00:00.000Z	14 \| good	1.578 \| good	6.619 \| good	14.509 \| good	0.417 \| good	5.129 \| good	0.19 \| good
2026-07-22T08:00:00.000Z	12 \| good	0.722 \| good	2.571 \| good	12.607 \| good	0.431 \| good	5.213 \| good	0.183 \| good
2026-07-22T09:00:00.000Z	10 \| good	0.929 \| good	3.381 \| good	10.771 \| good	0.416 \| good	5.594 \| good	0.178 \| good
2026-07-22T10:00:00.000Z	7 \| good	0.834 \| good	3.381 \| good	8.216 \| good	0.383 \| good	5.862 \| good	0.174 \| good
2026-07-22T11:00:00.000Z	9 \| good	1.266 \| good	5 \| good	9.788 \| good	0.337 \| good	5.609 \| good	0.169 \| good
2026-07-22T12:00:00.000Z	10 \| good	0.898 \| good	3.811 \| good	10.871 \| good	0.284 \| good	4.214 \| good	0.166 \| good
2026-07-22T13:00:00.000Z	13 \| good	0.384 \| good	1.351 \| good	14.14 \| good	0.264 \| good	2.716 \| good	0.149 \| good
2026-07-22T14:00:00.000Z	18 \| good	0.401 \| good	1.465 \| good	19.083 \| good	0.268 \| good	1.76 \| good	0.132 \| good
2026-07-22T15:00:00.000Z	21 \| good	0.814 \| good	3.219 \| good	23.157 \| good	0.257 \| good	1.138 \| good	0.125 \| good
2026-07-22T16:00:00.000Z	24 \| good	0.967 \| good	4.048 \| good	25.701 \| good	0.2 \| good	0.722 \| good	0.122 \| good
2026-07-22T17:00:00.000Z	25 \| good	0.818 \| good	3.106 \| good	27.312 \| good	0.16 \| good	0.539 \| good	0.121 \| good
2026-07-22T18:00:00.000Z	28 \| good	0.678 \| good	2.277 \| good	29.933 \| good	0.141 \| good	0.471 \| good	0.119 \| good
2026-07-22T19:00:00.000Z	30 \| good	0.804 \| good	3.057 \| good	32.173 \| good	0.133 \| good	0.461 \| good	0.119 \| good
2026-07-22T20:00:00.000Z	32 \| good	0.673 \| good	2.351 \| good	34.679 \| good	0.132 \| good	0.492 \| good	0.118 \| good
2026-07-22T21:00:00.000Z	32 \| good	0.457 \| good	2 \| good	35.392 \| good	0.13 \| good	0.552 \| good	0.117 \| good
2026-07-22T22:00:00.000Z	31 \| good	0.726 \| good	2.571 \| good	34.382 \| good	0.133 \| good	0.629 \| good	0.117 \| good
2026-07-22T23:00:00.000Z	31 \| good	1.856 \| good	7.628 \| good	34.33 \| good	0.134 \| good	0.89 \| good	0.118 \| good
2026-07-23T00:00:00.000Z	27 \| good	2.155 \| good	8.847 \| good	29.007 \| good	0.222 \| good	1.909 \| good	0.125 \| good
2026-07-23T01:00:00.000Z	30 \| good	2.787 \| good	11.219 \| good	32.159 \| good	0.26 \| good	4.427 \| good	0.14 \| good
2026-07-23T02:00:00.000Z	25 \| good	3.528 \| good	15.513 \| good	26.937 \| good	0.345 \| good	6.559 \| good	0.151 \| good
2026-07-23T03:00:00.000Z	22 \| good	4.006 \| good	17.619 \| good	22.694 \| good	0.475 \| good	7.575 \| good	0.154 \| good
2026-07-23T04:00:00.000Z	22 \| good	3.81 \| good	16.828 \| good	19.255 \| good	0.656 \| good	8.539 \| good	0.156 \| good
2026-07-23T05:00:00.000Z	22 \| good	3.843 \| good	17 \| good	15.549 \| good	0.829 \| good	9.155 \| good	0.158 \| good
2026-07-23T06:00:00.000Z	22 \| good	3.845 \| good	17 \| good	13.398 \| good	0.974 \| good	9.208 \| good	0.157 \| good
2026-07-23T07:00:00.000Z	16 \| good	2.635 \| good	10.4 \| good	12.028 \| good	1.099 \| good	9.748 \| good	0.157 \| good
2026-07-23T08:00:00.000Z	16 \| good	2.636 \| good	10.4 \| good	11.642 \| good	1.185 \| good	10.92 \| good	0.161 \| good
2026-07-23T09:00:00.000Z	16 \| good	2.957 \| good	12.345 \| good	10.543 \| good	1.23 \| good	12.419 \| good	0.167 \| good
2026-07-23T10:00:00.000Z	13 \| good	2.033 \| good	8.342 \| good	8.666 \| good	1.258 \| good	14.207 \| good	0.175 \| good
2026-07-23T11:00:00.000Z	14 \| good	1.396 \| good	5.513 \| good	8.901 \| good	1.284 \| good	15.314 \| good	0.185 \| good
2026-07-23T12:00:00.000Z	12 \| good	2.041 \| good	8.342 \| good	8.628 \| good	1.287 \| good	13.164 \| good	0.192 \| good
2026-07-23T13:00:00.000Z	38 \| good	6.562 \| good	28.853 \| good	16.336 \| good	1.079 \| good	7.962 \| good	0.172 \| good
2026-07-23T14:00:00.000Z	23 \| good	4.033 \| good	17.6 \| good	25.328 \| good	1.243 \| good	5.063 \| good	0.152 \| good
2026-07-23T15:00:00.000Z	32 \| good	4.276 \| good	18.412 \| good	35.43 \| good	1.225 \| good	3.016 \| good	0.133 \| good
2026-07-23T16:00:00.000Z	39 \| good	2.936 \| good	11.868 \| good	41.614 \| good	0.982 \| good	1.652 \| good	0.12 \| good
2026-07-23T17:00:00.000Z	41 \| good	1.794 \| good	7.39 \| good	43.828 \| good	0.641 \| good	0.944 \| good	0.112 \| good
2026-07-23T18:00:00.000Z	41 \| good	1.339 \| good	5.285 \| good	44.463 \| good	0.584 \| good	0.825 \| good	0.111 \| good
2026-07-23T19:00:00.000Z	42 \| good	1.198 \| good	4.763 \| good	44.533 \| good	0.575 \| good	0.831 \| good	0.111 \| good
2026-07-23T20:00:00.000Z	43 \| good	0.917 \| good	3.543 \| good	45.522 \| good	0.584 \| good	0.817 \| good	0.11 \| good
2026-07-23T21:00:00.000Z	44 \| good	0.815 \| good	3.114 \| good	46.99 \| good	0.599 \| good	0.841 \| good	0.11 \| good
2026-07-23T22:00:00.000Z	44 \| good	1.683 \| good	6.706 \| good	47.146 \| good	0.61 \| good	0.924 \| good	0.11 \| good
2026-07-23T23:00:00.000Z	43 \| good	1.828 \| good	7.543 \| good	45.82 \| good	0.618 \| good	1.067 \| good	0.111 \| good
2026-07-24T00:00:00.000Z	39 \| good	1.492 \| good	5.706 \| good	42.465 \| good	0.605 \| good	2.114 \| good	0.12 \| good
2026-07-24T01:00:00.000Z	34 \| good	1.572 \| good	6.543 \| good	37.149 \| good	0.577 \| good	7.747 \| good	0.163 \| good
2026-07-24T01:00:00.000Z	39 \| good	1.492 \| good	5.706 \| good	42.465 \| good	0.605 \| good	2.114 \| good	0.12 \| good
2026-07-24T02:00:00.000Z	34 \| good	2.186 \| good	8.967 \| good	37.34 \| good	0.633 \| good	11.949 \| good	0.182 \| good
2026-07-24T03:00:00.000Z	31 \| good	2.807 \| good	12.004 \| good	33.247 \| good	0.676 \| good	15.977 \| good	0.206 \| good
2026-07-24T04:00:00.000Z	27 \| good	2.464 \| good	10.205 \| good	29.318 \| good	0.708 \| good	19.718 \| good	0.228 \| good
2026-07-24T05:00:00.000Z	23 \| good	2.28 \| good	9.316 \| good	24.562 \| good	0.727 \| good	23.294 \| good	0.251 \| good
2026-07-24T06:00:00.000Z	25 \| good	2.119 \| good	8.594 \| good	20.852 \| good	0.723 \| good	25.966 \| good	0.269 \| good
2026-07-24T07:00:00.000Z	25 \| good	2.214 \| good	9.102 \| good	18.969 \| good	0.718 \| good	27.271 \| good	0.28 \| good
2026-07-24T08:00:00.000Z	25 \| good	1.714 \| good	7.054 \| good	16.56 \| good	0.739 \| good	27.315 \| good	0.281 \| good
2026-07-24T09:00:00.000Z	24 \| good	1.018 \| good	4.174 \| good	15.108 \| good	0.806 \| good	24.579 \| good	0.266 \| good
2026-07-24T10:00:00.000Z	21 \| good	0.649 \| good	2.145 \| good	11.726 \| good	0.913 \| good	22.423 \| good	0.252 \| good
2026-07-24T11:00:00.000Z	19 \| good	1.652 \| good	6.929 \| good	10.755 \| good	0.996 \| good	19.845 \| good	0.242 \| good
2026-07-24T12:00:00.000Z	15 \| good	1.631 \| good	6.836 \| good	9.923 \| good	0.974 \| good	15.837 \| good	0.23 \| good
2026-07-24T13:00:00.000Z	11 \| good	0.91 \| good	3.638 \| good	11.221 \| good	0.94 \| good	12.101 \| good	0.21 \| good
2026-07-24T14:00:00.000Z	15 \| good	0.847 \| good	3.145 \| good	15.992 \| good	0.915 \| good	8.678 \| good	0.195 \| good
2026-07-24T15:00:00.000Z	24 \| good	0.548 \| good	2.153 \| good	26.115 \| good	0.765 \| good	6.054 \| good	0.176 \| good
2026-07-24T16:00:00.000Z	31 \| good	0.832 \| good	3.311 \| good	32.616 \| good	0.55 \| good	3.76 \| good	0.163 \| good
2026-07-24T17:00:00.000Z	33 \| good	1.304 \| good	5 \| good	35.659 \| good	0.382 \| good	1.737 \| good	0.148 \| good
2026-07-24T18:00:00.000Z	34 \| good	1.301 \| good	5 \| good	36.885 \| good	0.354 \| good	0.782 \| good	0.138 \| good
2026-07-24T19:00:00.000Z	36 \| good	1.346 \| good	5 \| good	38.679 \| good	0.348 \| good	0.598 \| good	0.138 \| good
2026-07-24T20:00:00.000Z	36 \| good	1.386 \| good	5.35 \| good	39.16 \| good	0.338 \| good	0.574 \| good	0.141 \| good
2026-07-24T21:00:00.000Z	38 \| good	0.284 \| good	0.842 \| good	40.662 \| good	0.338 \| good	0.635 \| good	0.144 \| good
2026-07-24T22:00:00.000Z	38 \| good	0.337 \| good	1.068 \| good	41.463 \| good	0.354 \| good	0.709 \| good	0.147 \| good
2026-07-24T23:00:00.000Z	37 \| good	0.551 \| good	2.068 \| good	39.713 \| good	0.373 \| good	1.012 \| good	0.152 \| good
2026-07-25T00:00:00.000Z	34 \| good	0.408 \| good	1.356 \| good	37.118 \| good	0.386 \| good	1.919 \| good	0.16 \| good
2026-07-25T01:00:00.000Z	34 \| good	1.117 \| good	4.45 \| good	37.104 \| good	0.4 \| good	3.733 \| good	0.171 \| good
2026-07-25T02:00:00.000Z	33 \| good	1.285 \| good	5.222 \| good	36.316 \| good	0.449 \| good	5.366 \| good	0.18 \| good
2026-07-25T03:00:00.000Z	31 \| good	0.605 \| good	2.107 \| good	32.543 \| good	0.509 \| good	5.699 \| good	0.183 \| good
2026-07-25T04:00:00.000Z	27 \| good	1.204 \| good	4.925 \| good	29.256 \| good	0.574 \| good	5.812 \| good	0.183 \| good
2026-07-25T05:00:00.000Z	25 \| good	1.337 \| good	5.175 \| good	26.591 \| good	0.623 \| good	6.095 \| good	0.185 \| good
2026-07-25T06:00:00.000Z	23 \| good	1.662 \| good	7.104 \| good	25.132 \| good	0.639 \| good	6.704 \| good	0.189 \| good
2026-07-25T07:00:00.000Z	21 \| good	1.877 \| good	7.786 \| good	23.254 \| good	0.647 \| good	7.739 \| good	0.194 \| good
2026-07-25T08:00:00.000Z	19 \| good	1.882 \| good	7.786 \| good	20.106 \| good	0.649 \| good	8.915 \| good	0.2 \| good
2026-07-25T09:00:00.000Z	17 \| good	2.287 \| good	9.14 \| good	17.862 \| good	0.637 \| good	9.68 \| good	0.205 \| good
2026-07-25T10:00:00.000Z	13 \| good	2.256 \| good	9.047 \| good	14.464 \| good	0.615 \| good	9.42 \| good	0.206 \| good
2026-07-25T11:00:00.000Z	14 \| good	2.293 \| good	9.14 \| good	14.556 \| good	0.594 \| good	8.871 \| good	0.205 \| good
2026-07-25T12:00:00.000Z	16 \| good	2.542 \| good	9.929 \| good	15.258 \| good	0.536 \| good	8.67 \| good	0.208 \| good
2026-07-25T13:00:00.000Z	22 \| good	3.836 \| good	16.961 \| good	17.857 \| good	0.53 \| good	7.588 \| good	0.207 \| good
2026-07-25T14:00:00.000Z	33 \| good	5.508 \| good	23.478 \| good	23.012 \| good	0.544 \| good	6.269 \| good	0.204 \| good
2026-07-25T15:00:00.000Z	38 \| good	7.211 \| good	31.929 \| good	25.204 \| good	0.572 \| good	4.648 \| good	0.197 \| good
2026-07-25T16:00:00.000Z	38 \| good	6.512 \| good	29.058 \| good	27.231 \| good	0.594 \| good	2.979 \| good	0.192 \| good
2026-07-25T17:00:00.000Z	29 \| good	5.473 \| good	23.247 \| good	31.278 \| good	0.649 \| good	1.441 \| good	0.188 \| good
2026-07-25T18:00:00.000Z	29 \| good	5.434 \| good	23.292 \| good	31.267 \| good	0.673 \| good	0.822 \| good	0.188 \| good
2026-07-25T19:00:00.000Z	33 \| good	5.949 \| good	26.248 \| good	32.193 \| good	0.609 \| good	0.884 \| good	0.19 \| good
2026-07-25T20:00:00.000Z	38 \| good	6.938 \| good	30.801 \| good	36.857 \| good	0.554 \| good	0.995 \| good	0.191 \| good
2026-07-25T21:00:00.000Z	40 \| good	7.115 \| good	31.526 \| good	43.194 \| good	0.524 \| good	1.092 \| good	0.193 \| good
2026-07-25T22:00:00.000Z	38 \| good	6.167 \| good	27.341 \| good	40.609 \| good	0.504 \| good	1.406 \| good	0.195 \| good
2026-07-25T23:00:00.000Z	34 \| good	5.849 \| good	25.72 \| good	37.146 \| good	0.507 \| good	1.668 \| good	0.198 \| good
2026-07-26T00:00:00.000Z	43 \| good	6.444 \| good	6.775 \| good	46.1 \| good	0.508 \| good	2.273 \| good	0.202 \| good
2026-07-26T01:00:00.000Z	33 \| good	5.412 \| good	22.975 \| good	36.069 \| good	0.485 \| good	4.629 \| good	0.216 \| good

Ottawa

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Ottawa, Illinois air quality map: Stay updated on AQI near you

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How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Ottawa, Illinois?

The air quality information for Ottawa, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Ottawa, Illinois at its worst?

In the past 24 hours, the air quality in Ottawa, Illinois was at its worst at 10:00:00 on 2026-07-23.

When did Ottawa, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Ottawa, Illinois was observed at 12:00:00 on 2026-07-23.

What is the AQI in Ottawa, Illinois right now?

As of now, the AQI in Ottawa, Illinois is 39, indicating Good conditions.

What is the most common type of pollution in Ottawa, Illinois?

Ottawa, Illinois air has the highest levels of O3.

What should I do in case of poor air quality in Ottawa, Illinois?

Poor air quality in Ottawa, Illinois means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Ottawa, Illinois at the moment?

PM_2.5 levels in Ottawa, Illinois are currently 1.492 μg/m³.

What is the PM₁₀ level in Ottawa, Illinois at the moment?

The PM₁₀ concentration in Ottawa, Illinois is 5.706 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Ottawa, Illinois at the moment?

The current carbon monoxide (CO) concentration in Ottawa, Illinois is 0.12 ppm.

What is the sulfur dioxide (SO₂) level in Ottawa, Illinois at the moment?

Currently, Ottawa, Illinois has a sulfur dioxide (SO₂) concentration of 0.605 ppb.

What is the ozone (O₃) level in Ottawa, Illinois at the moment?

The current ozone (O₃) level in Ottawa, Illinois at the moment is 42.465 ppm.

What is the nitrogen dioxide (NO₂) level in Ottawa, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Ottawa, Illinois at the moment is 2.114 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T02:00:00.000Z	27 \| good	4.832 \| good	20.868 \| good	23.709 \| good	0.12 \| good	2.602 \| good	0.179 \| good
2026-07-22T03:00:00.000Z	27 \| good	5.027 \| good	21.496 \| good	22.157 \| good	0.146 \| good	3.161 \| good	0.185 \| good
2026-07-22T04:00:00.000Z	22 \| good	4.393 \| good	19.219 \| good	21.061 \| good	0.182 \| good	4.006 \| good	0.192 \| good
2026-07-22T05:00:00.000Z	17 \| good	3.489 \| good	15.457 \| good	18.393 \| good	0.259 \| good	4.858 \| good	0.198 \| good
2026-07-22T06:00:00.000Z	16 \| good	2.823 \| good	11.513 \| good	17.053 \| good	0.355 \| good	5.143 \| good	0.197 \| good
2026-07-22T07:00:00.000Z	14 \| good	1.578 \| good	6.619 \| good	14.509 \| good	0.417 \| good	5.129 \| good	0.19 \| good
2026-07-22T08:00:00.000Z	12 \| good	0.722 \| good	2.571 \| good	12.607 \| good	0.431 \| good	5.213 \| good	0.183 \| good
2026-07-22T09:00:00.000Z	10 \| good	0.929 \| good	3.381 \| good	10.771 \| good	0.416 \| good	5.594 \| good	0.178 \| good
2026-07-22T10:00:00.000Z	7 \| good	0.834 \| good	3.381 \| good	8.216 \| good	0.383 \| good	5.862 \| good	0.174 \| good
2026-07-22T11:00:00.000Z	9 \| good	1.266 \| good	5 \| good	9.788 \| good	0.337 \| good	5.609 \| good	0.169 \| good
2026-07-22T12:00:00.000Z	10 \| good	0.898 \| good	3.811 \| good	10.871 \| good	0.284 \| good	4.214 \| good	0.166 \| good
2026-07-22T13:00:00.000Z	13 \| good	0.384 \| good	1.351 \| good	14.14 \| good	0.264 \| good	2.716 \| good	0.149 \| good
2026-07-22T14:00:00.000Z	18 \| good	0.401 \| good	1.465 \| good	19.083 \| good	0.268 \| good	1.76 \| good	0.132 \| good
2026-07-22T15:00:00.000Z	21 \| good	0.814 \| good	3.219 \| good	23.157 \| good	0.257 \| good	1.138 \| good	0.125 \| good
2026-07-22T16:00:00.000Z	24 \| good	0.967 \| good	4.048 \| good	25.701 \| good	0.2 \| good	0.722 \| good	0.122 \| good
2026-07-22T17:00:00.000Z	25 \| good	0.818 \| good	3.106 \| good	27.312 \| good	0.16 \| good	0.539 \| good	0.121 \| good
2026-07-22T18:00:00.000Z	28 \| good	0.678 \| good	2.277 \| good	29.933 \| good	0.141 \| good	0.471 \| good	0.119 \| good
2026-07-22T19:00:00.000Z	30 \| good	0.804 \| good	3.057 \| good	32.173 \| good	0.133 \| good	0.461 \| good	0.119 \| good
2026-07-22T20:00:00.000Z	32 \| good	0.673 \| good	2.351 \| good	34.679 \| good	0.132 \| good	0.492 \| good	0.118 \| good
2026-07-22T21:00:00.000Z	32 \| good	0.457 \| good	2 \| good	35.392 \| good	0.13 \| good	0.552 \| good	0.117 \| good
2026-07-22T22:00:00.000Z	31 \| good	0.726 \| good	2.571 \| good	34.382 \| good	0.133 \| good	0.629 \| good	0.117 \| good
2026-07-22T23:00:00.000Z	31 \| good	1.856 \| good	7.628 \| good	34.33 \| good	0.134 \| good	0.89 \| good	0.118 \| good
2026-07-23T00:00:00.000Z	27 \| good	2.155 \| good	8.847 \| good	29.007 \| good	0.222 \| good	1.909 \| good	0.125 \| good
2026-07-23T01:00:00.000Z	30 \| good	2.787 \| good	11.219 \| good	32.159 \| good	0.26 \| good	4.427 \| good	0.14 \| good
2026-07-23T02:00:00.000Z	25 \| good	3.528 \| good	15.513 \| good	26.937 \| good	0.345 \| good	6.559 \| good	0.151 \| good
2026-07-23T03:00:00.000Z	22 \| good	4.006 \| good	17.619 \| good	22.694 \| good	0.475 \| good	7.575 \| good	0.154 \| good
2026-07-23T04:00:00.000Z	22 \| good	3.81 \| good	16.828 \| good	19.255 \| good	0.656 \| good	8.539 \| good	0.156 \| good
2026-07-23T05:00:00.000Z	22 \| good	3.843 \| good	17 \| good	15.549 \| good	0.829 \| good	9.155 \| good	0.158 \| good
2026-07-23T06:00:00.000Z	22 \| good	3.845 \| good	17 \| good	13.398 \| good	0.974 \| good	9.208 \| good	0.157 \| good
2026-07-23T07:00:00.000Z	16 \| good	2.635 \| good	10.4 \| good	12.028 \| good	1.099 \| good	9.748 \| good	0.157 \| good
2026-07-23T08:00:00.000Z	16 \| good	2.636 \| good	10.4 \| good	11.642 \| good	1.185 \| good	10.92 \| good	0.161 \| good
2026-07-23T09:00:00.000Z	16 \| good	2.957 \| good	12.345 \| good	10.543 \| good	1.23 \| good	12.419 \| good	0.167 \| good
2026-07-23T10:00:00.000Z	13 \| good	2.033 \| good	8.342 \| good	8.666 \| good	1.258 \| good	14.207 \| good	0.175 \| good
2026-07-23T11:00:00.000Z	14 \| good	1.396 \| good	5.513 \| good	8.901 \| good	1.284 \| good	15.314 \| good	0.185 \| good
2026-07-23T12:00:00.000Z	12 \| good	2.041 \| good	8.342 \| good	8.628 \| good	1.287 \| good	13.164 \| good	0.192 \| good
2026-07-23T13:00:00.000Z	38 \| good	6.562 \| good	28.853 \| good	16.336 \| good	1.079 \| good	7.962 \| good	0.172 \| good
2026-07-23T14:00:00.000Z	23 \| good	4.033 \| good	17.6 \| good	25.328 \| good	1.243 \| good	5.063 \| good	0.152 \| good
2026-07-23T15:00:00.000Z	32 \| good	4.276 \| good	18.412 \| good	35.43 \| good	1.225 \| good	3.016 \| good	0.133 \| good
2026-07-23T16:00:00.000Z	39 \| good	2.936 \| good	11.868 \| good	41.614 \| good	0.982 \| good	1.652 \| good	0.12 \| good
2026-07-23T17:00:00.000Z	41 \| good	1.794 \| good	7.39 \| good	43.828 \| good	0.641 \| good	0.944 \| good	0.112 \| good
2026-07-23T18:00:00.000Z	41 \| good	1.339 \| good	5.285 \| good	44.463 \| good	0.584 \| good	0.825 \| good	0.111 \| good
2026-07-23T19:00:00.000Z	42 \| good	1.198 \| good	4.763 \| good	44.533 \| good	0.575 \| good	0.831 \| good	0.111 \| good
2026-07-23T20:00:00.000Z	43 \| good	0.917 \| good	3.543 \| good	45.522 \| good	0.584 \| good	0.817 \| good	0.11 \| good
2026-07-23T21:00:00.000Z	44 \| good	0.815 \| good	3.114 \| good	46.99 \| good	0.599 \| good	0.841 \| good	0.11 \| good
2026-07-23T22:00:00.000Z	44 \| good	1.683 \| good	6.706 \| good	47.146 \| good	0.61 \| good	0.924 \| good	0.11 \| good
2026-07-23T23:00:00.000Z	43 \| good	1.828 \| good	7.543 \| good	45.82 \| good	0.618 \| good	1.067 \| good	0.111 \| good
2026-07-24T00:00:00.000Z	39 \| good	1.492 \| good	5.706 \| good	42.465 \| good	0.605 \| good	2.114 \| good	0.12 \| good
2026-07-24T01:00:00.000Z	34 \| good	1.572 \| good	6.543 \| good	37.149 \| good	0.577 \| good	7.747 \| good	0.163 \| good
2026-07-24T01:00:00.000Z	39 \| good	1.492 \| good	5.706 \| good	42.465 \| good	0.605 \| good	2.114 \| good	0.12 \| good
2026-07-24T02:00:00.000Z	34 \| good	2.186 \| good	8.967 \| good	37.34 \| good	0.633 \| good	11.949 \| good	0.182 \| good
2026-07-24T03:00:00.000Z	31 \| good	2.807 \| good	12.004 \| good	33.247 \| good	0.676 \| good	15.977 \| good	0.206 \| good
2026-07-24T04:00:00.000Z	27 \| good	2.464 \| good	10.205 \| good	29.318 \| good	0.708 \| good	19.718 \| good	0.228 \| good
2026-07-24T05:00:00.000Z	23 \| good	2.28 \| good	9.316 \| good	24.562 \| good	0.727 \| good	23.294 \| good	0.251 \| good
2026-07-24T06:00:00.000Z	25 \| good	2.119 \| good	8.594 \| good	20.852 \| good	0.723 \| good	25.966 \| good	0.269 \| good
2026-07-24T07:00:00.000Z	25 \| good	2.214 \| good	9.102 \| good	18.969 \| good	0.718 \| good	27.271 \| good	0.28 \| good
2026-07-24T08:00:00.000Z	25 \| good	1.714 \| good	7.054 \| good	16.56 \| good	0.739 \| good	27.315 \| good	0.281 \| good
2026-07-24T09:00:00.000Z	24 \| good	1.018 \| good	4.174 \| good	15.108 \| good	0.806 \| good	24.579 \| good	0.266 \| good
2026-07-24T10:00:00.000Z	21 \| good	0.649 \| good	2.145 \| good	11.726 \| good	0.913 \| good	22.423 \| good	0.252 \| good
2026-07-24T11:00:00.000Z	19 \| good	1.652 \| good	6.929 \| good	10.755 \| good	0.996 \| good	19.845 \| good	0.242 \| good
2026-07-24T12:00:00.000Z	15 \| good	1.631 \| good	6.836 \| good	9.923 \| good	0.974 \| good	15.837 \| good	0.23 \| good
2026-07-24T13:00:00.000Z	11 \| good	0.91 \| good	3.638 \| good	11.221 \| good	0.94 \| good	12.101 \| good	0.21 \| good
2026-07-24T14:00:00.000Z	15 \| good	0.847 \| good	3.145 \| good	15.992 \| good	0.915 \| good	8.678 \| good	0.195 \| good
2026-07-24T15:00:00.000Z	24 \| good	0.548 \| good	2.153 \| good	26.115 \| good	0.765 \| good	6.054 \| good	0.176 \| good
2026-07-24T16:00:00.000Z	31 \| good	0.832 \| good	3.311 \| good	32.616 \| good	0.55 \| good	3.76 \| good	0.163 \| good
2026-07-24T17:00:00.000Z	33 \| good	1.304 \| good	5 \| good	35.659 \| good	0.382 \| good	1.737 \| good	0.148 \| good
2026-07-24T18:00:00.000Z	34 \| good	1.301 \| good	5 \| good	36.885 \| good	0.354 \| good	0.782 \| good	0.138 \| good
2026-07-24T19:00:00.000Z	36 \| good	1.346 \| good	5 \| good	38.679 \| good	0.348 \| good	0.598 \| good	0.138 \| good
2026-07-24T20:00:00.000Z	36 \| good	1.386 \| good	5.35 \| good	39.16 \| good	0.338 \| good	0.574 \| good	0.141 \| good
2026-07-24T21:00:00.000Z	38 \| good	0.284 \| good	0.842 \| good	40.662 \| good	0.338 \| good	0.635 \| good	0.144 \| good
2026-07-24T22:00:00.000Z	38 \| good	0.337 \| good	1.068 \| good	41.463 \| good	0.354 \| good	0.709 \| good	0.147 \| good
2026-07-24T23:00:00.000Z	37 \| good	0.551 \| good	2.068 \| good	39.713 \| good	0.373 \| good	1.012 \| good	0.152 \| good
2026-07-25T00:00:00.000Z	34 \| good	0.408 \| good	1.356 \| good	37.118 \| good	0.386 \| good	1.919 \| good	0.16 \| good
2026-07-25T01:00:00.000Z	34 \| good	1.117 \| good	4.45 \| good	37.104 \| good	0.4 \| good	3.733 \| good	0.171 \| good
2026-07-25T02:00:00.000Z	33 \| good	1.285 \| good	5.222 \| good	36.316 \| good	0.449 \| good	5.366 \| good	0.18 \| good
2026-07-25T03:00:00.000Z	31 \| good	0.605 \| good	2.107 \| good	32.543 \| good	0.509 \| good	5.699 \| good	0.183 \| good
2026-07-25T04:00:00.000Z	27 \| good	1.204 \| good	4.925 \| good	29.256 \| good	0.574 \| good	5.812 \| good	0.183 \| good
2026-07-25T05:00:00.000Z	25 \| good	1.337 \| good	5.175 \| good	26.591 \| good	0.623 \| good	6.095 \| good	0.185 \| good
2026-07-25T06:00:00.000Z	23 \| good	1.662 \| good	7.104 \| good	25.132 \| good	0.639 \| good	6.704 \| good	0.189 \| good
2026-07-25T07:00:00.000Z	21 \| good	1.877 \| good	7.786 \| good	23.254 \| good	0.647 \| good	7.739 \| good	0.194 \| good
2026-07-25T08:00:00.000Z	19 \| good	1.882 \| good	7.786 \| good	20.106 \| good	0.649 \| good	8.915 \| good	0.2 \| good
2026-07-25T09:00:00.000Z	17 \| good	2.287 \| good	9.14 \| good	17.862 \| good	0.637 \| good	9.68 \| good	0.205 \| good
2026-07-25T10:00:00.000Z	13 \| good	2.256 \| good	9.047 \| good	14.464 \| good	0.615 \| good	9.42 \| good	0.206 \| good
2026-07-25T11:00:00.000Z	14 \| good	2.293 \| good	9.14 \| good	14.556 \| good	0.594 \| good	8.871 \| good	0.205 \| good
2026-07-25T12:00:00.000Z	16 \| good	2.542 \| good	9.929 \| good	15.258 \| good	0.536 \| good	8.67 \| good	0.208 \| good
2026-07-25T13:00:00.000Z	22 \| good	3.836 \| good	16.961 \| good	17.857 \| good	0.53 \| good	7.588 \| good	0.207 \| good
2026-07-25T14:00:00.000Z	33 \| good	5.508 \| good	23.478 \| good	23.012 \| good	0.544 \| good	6.269 \| good	0.204 \| good
2026-07-25T15:00:00.000Z	38 \| good	7.211 \| good	31.929 \| good	25.204 \| good	0.572 \| good	4.648 \| good	0.197 \| good
2026-07-25T16:00:00.000Z	38 \| good	6.512 \| good	29.058 \| good	27.231 \| good	0.594 \| good	2.979 \| good	0.192 \| good
2026-07-25T17:00:00.000Z	29 \| good	5.473 \| good	23.247 \| good	31.278 \| good	0.649 \| good	1.441 \| good	0.188 \| good
2026-07-25T18:00:00.000Z	29 \| good	5.434 \| good	23.292 \| good	31.267 \| good	0.673 \| good	0.822 \| good	0.188 \| good
2026-07-25T19:00:00.000Z	33 \| good	5.949 \| good	26.248 \| good	32.193 \| good	0.609 \| good	0.884 \| good	0.19 \| good
2026-07-25T20:00:00.000Z	38 \| good	6.938 \| good	30.801 \| good	36.857 \| good	0.554 \| good	0.995 \| good	0.191 \| good
2026-07-25T21:00:00.000Z	40 \| good	7.115 \| good	31.526 \| good	43.194 \| good	0.524 \| good	1.092 \| good	0.193 \| good
2026-07-25T22:00:00.000Z	38 \| good	6.167 \| good	27.341 \| good	40.609 \| good	0.504 \| good	1.406 \| good	0.195 \| good
2026-07-25T23:00:00.000Z	34 \| good	5.849 \| good	25.72 \| good	37.146 \| good	0.507 \| good	1.668 \| good	0.198 \| good
2026-07-26T00:00:00.000Z	43 \| good	6.444 \| good	6.775 \| good	46.1 \| good	0.508 \| good	2.273 \| good	0.202 \| good
2026-07-26T01:00:00.000Z	33 \| good	5.412 \| good	22.975 \| good	36.069 \| good	0.485 \| good	4.629 \| good	0.216 \| good

Live air quality index in Ottawa, Illinois today

Major air pollutants in Ottawa, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Ottawa, Illinois air quality forecast and history

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Ottawa, Illinois air quality map: Stay updated on AQI near you

Air quality in nearby cities

Streator, Illinois

Morris, Illinois

Plano, Illinois

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Channahon, Illinois

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Frequently asked questions

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What is the PM2.5 level in Ottawa, Illinois at the moment?

What is the PM10 level in Ottawa, Illinois at the moment?

What is the carbon monoxide (CO) level in Ottawa, Illinois at the moment?

What is the sulfur dioxide (SO2) level in Ottawa, Illinois at the moment?

What is the ozone (O3) level in Ottawa, Illinois at the moment?

What is the nitrogen dioxide (NO2) level in Ottawa, Illinois at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Ottawa, Illinois at the moment?

What is the PM₁₀ level in Ottawa, Illinois at the moment?

What is the sulfur dioxide (SO₂) level in Ottawa, Illinois at the moment?

What is the ozone (O₃) level in Ottawa, Illinois at the moment?

What is the nitrogen dioxide (NO₂) level in Ottawa, Illinois at the moment?