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

The PM10 concentration in Ottawa, Illinois is 23.057 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 0.524 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 42.69 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 0.833 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 5.354 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)

5.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.06 μg/m³

155

255

425

605+

Ozone (O₃)

42.69 ppb

201

201+

Sulfur Dioxide (SO₂)

0.52 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

0.83 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-07T22:00:00.000Z	52 \| moderate	9.615 \| good	42.82 \| good	34.151 \| good	0.158 \| good	1.208 \| good	0.175 \| good
2026-03-07T23:00:00.000Z	44 \| good	8.203 \| good	36 \| good	33.374 \| good	0.129 \| good	1.522 \| good	0.172 \| good
2026-03-08T00:00:00.000Z	38 \| good	6.708 \| good	30 \| good	32.714 \| good	0.116 \| good	1.77 \| good	0.169 \| good
2026-03-08T01:00:00.000Z	33 \| good	5.932 \| good	26.886 \| good	30.729 \| good	0.128 \| good	2.099 \| good	0.17 \| good
2026-03-08T02:00:00.000Z	33 \| good	5.998 \| good	26.886 \| good	31.589 \| good	0.14 \| good	2.427 \| good	0.17 \| good
2026-03-08T03:00:00.000Z	33 \| good	5.695 \| good	24.4 \| good	31.396 \| good	0.153 \| good	2.755 \| good	0.17 \| good
2026-03-08T04:00:00.000Z	28 \| good	5.401 \| good	23.048 \| good	30.317 \| good	0.16 \| good	2.975 \| good	0.172 \| good
2026-03-08T05:00:00.000Z	33 \| good	5.789 \| good	25 \| good	29.249 \| good	0.167 \| good	3.195 \| good	0.174 \| good
2026-03-08T06:00:00.000Z	33 \| good	5.615 \| good	24 \| good	28.172 \| good	0.174 \| good	3.414 \| good	0.175 \| good
2026-03-08T07:00:00.000Z	27 \| good	5.253 \| good	22.894 \| good	26.856 \| good	0.181 \| good	3.166 \| good	0.173 \| good
2026-03-08T08:00:00.000Z	27 \| good	4.761 \| good	20.543 \| good	26.574 \| good	0.188 \| good	2.918 \| good	0.17 \| good
2026-03-08T09:00:00.000Z	25 \| good	4.027 \| good	17.543 \| good	26.525 \| good	0.195 \| good	2.669 \| good	0.168 \| good
2026-03-08T10:00:00.000Z	25 \| good	3.593 \| good	16 \| good	26.656 \| good	0.206 \| good	2.447 \| good	0.164 \| good
2026-03-08T11:00:00.000Z	25 \| good	3.566 \| good	16 \| good	27.18 \| good	0.21 \| good	2.059 \| good	0.175 \| good
2026-03-08T12:00:00.000Z	25 \| good	3.274 \| good	14.571 \| good	27.402 \| good	0.226 \| good	1.994 \| good	0.175 \| good
2026-03-08T13:00:00.000Z	26 \| good	3.82 \| good	16.571 \| good	28.056 \| good	0.248 \| good	1.987 \| good	0.175 \| good
2026-03-08T14:00:00.000Z	28 \| good	3.956 \| good	17.219 \| good	30.125 \| good	0.271 \| good	1.979 \| good	0.176 \| good
2026-03-08T15:00:00.000Z	31 \| good	3.669 \| good	16 \| good	33.082 \| good	0.294 \| good	1.972 \| good	0.176 \| good
2026-03-08T16:00:00.000Z	31 \| good	3.172 \| good	14 \| good	33.825 \| good	0.367 \| good	1.766 \| good	0.171 \| good
2026-03-08T17:00:00.000Z	31 \| good	2.377 \| good	10 \| good	34.209 \| good	0.441 \| good	1.561 \| good	0.165 \| good
2026-03-08T18:00:00.000Z	33 \| good	4.175 \| good	18.429 \| good	35.825 \| good	0.515 \| good	1.356 \| good	0.159 \| good
2026-03-08T19:00:00.000Z	36 \| good	3.902 \| good	17 \| good	38.786 \| good	0.515 \| good	1.229 \| good	0.155 \| good
2026-03-08T20:00:00.000Z	38 \| good	3.603 \| good	16 \| good	40.839 \| good	0.515 \| good	1.102 \| good	0.151 \| good
2026-03-08T21:00:00.000Z	39 \| good	2.985 \| good	12 \| good	41.714 \| good	0.515 \| good	0.975 \| good	0.147 \| good
2026-03-08T22:00:00.000Z	38 \| good	2 \| good	8 \| good	41.31 \| good	0.499 \| good	1.357 \| good	0.148 \| good
2026-03-08T23:00:00.000Z	34 \| good	0.879 \| good	3.219 \| good	37.126 \| good	0.48 \| good	1.797 \| good	0.151 \| good
2026-03-09T00:00:00.000Z	35 \| good	1.123 \| good	4.649 \| good	37.833 \| good	0.481 \| good	2.204 \| good	0.152 \| good
2026-03-09T01:00:00.000Z	31 \| good	1.302 \| good	5 \| good	34.241 \| good	0.476 \| good	2.16 \| good	0.151 \| good
2026-03-09T02:00:00.000Z	31 \| good	1.923 \| good	8 \| good	32.791 \| good	0.471 \| good	2.115 \| good	0.151 \| good
2026-03-09T03:00:00.000Z	29 \| good	2.304 \| good	9.649 \| good	31.206 \| good	0.467 \| good	2.07 \| good	0.15 \| good
2026-03-09T04:00:00.000Z	28 \| good	2.748 \| good	11 \| good	30.117 \| good	0.462 \| good	2.04 \| good	0.15 \| good
2026-03-09T05:00:00.000Z	27 \| good	3.569 \| good	16 \| good	29.397 \| good	0.458 \| good	2.01 \| good	0.151 \| good
2026-03-09T06:00:00.000Z	27 \| good	3.945 \| good	17 \| good	29.044 \| good	0.454 \| good	1.98 \| good	0.151 \| good
2026-03-09T07:00:00.000Z	26 \| good	3.931 \| good	17 \| good	28.228 \| good	0.434 \| good	1.906 \| good	0.149 \| good
2026-03-09T08:00:00.000Z	26 \| good	3.97 \| good	17.219 \| good	27.749 \| good	0.414 \| good	1.832 \| good	0.148 \| good
2026-03-09T09:00:00.000Z	26 \| good	3.962 \| good	17.219 \| good	28.079 \| good	0.394 \| good	1.759 \| good	0.147 \| good
2026-03-09T10:00:00.000Z	25 \| good	4.192 \| good	18.219 \| good	27.468 \| good	0.393 \| good	1.819 \| good	0.147 \| good
2026-03-09T11:00:00.000Z	26 \| good	4.432 \| good	19 \| good	27.671 \| good	0.427 \| good	1.923 \| good	0.159 \| good
2026-03-09T12:00:00.000Z	26 \| good	3.937 \| good	17.219 \| good	28.163 \| good	0.371 \| good	1.851 \| good	0.156 \| good
2026-03-09T13:00:00.000Z	27 \| good	4.913 \| good	21.219 \| good	28.636 \| good	0.371 \| good	1.948 \| good	0.157 \| good
2026-03-09T14:00:00.000Z	33 \| good	5.682 \| good	24.219 \| good	29.775 \| good	0.371 \| good	2.046 \| good	0.159 \| good
2026-03-09T15:00:00.000Z	33 \| good	5.92 \| good	27 \| good	29.623 \| good	0.371 \| good	2.144 \| good	0.16 \| good
2026-03-09T16:00:00.000Z	33 \| good	5.754 \| good	25 \| good	32.85 \| good	0.399 \| good	1.78 \| good	0.156 \| good
2026-03-09T17:00:00.000Z	34 \| good	5.22 \| good	23 \| good	36.887 \| good	0.428 \| good	1.417 \| good	0.152 \| good
2026-03-09T18:00:00.000Z	38 \| good	7.206 \| good	31.706 \| good	38.451 \| good	0.456 \| good	1.054 \| good	0.149 \| good
2026-03-09T19:00:00.000Z	38 \| good	6.515 \| good	29.057 \| good	40.736 \| good	0.479 \| good	0.98 \| good	0.148 \| good
2026-03-09T20:00:00.000Z	39 \| good	6.073 \| good	27.057 \| good	41.924 \| good	0.501 \| good	0.907 \| good	0.148 \| good
2026-03-09T21:00:00.000Z	40 \| good	5.354 \| good	23.057 \| good	42.69 \| good	0.524 \| good	0.833 \| good	0.148 \| good
2026-03-09T21:00:00.000Z	40 \| good	5.354 \| good	23.057 \| good	42.69 \| good	0.524 \| good	0.833 \| good	0.148 \| good
2026-03-09T22:00:00.000Z	39 \| good	3.645 \| good	16.058 \| good	41.739 \| good	0.556 \| good	1.653 \| good	0.155 \| good
2026-03-09T23:00:00.000Z	37 \| good	3.75 \| good	16.257 \| good	40.361 \| good	0.586 \| good	2.472 \| good	0.162 \| good
2026-03-10T00:00:00.000Z	33 \| good	2.595 \| good	10.387 \| good	35.526 \| good	0.617 \| good	3.291 \| good	0.169 \| good
2026-03-10T01:00:00.000Z	31 \| good	3.122 \| good	13.426 \| good	32.98 \| good	0.619 \| good	3.622 \| good	0.172 \| good
2026-03-10T02:00:00.000Z	32 \| good	4.084 \| good	17.603 \| good	35.34 \| good	0.621 \| good	3.954 \| good	0.175 \| good
2026-03-10T03:00:00.000Z	31 \| good	5.119 \| good	22.032 \| good	33.378 \| good	0.624 \| good	4.285 \| good	0.178 \| good
2026-03-10T04:00:00.000Z	33 \| good	5.588 \| good	23.918 \| good	30.094 \| good	0.6 \| good	3.908 \| good	0.17 \| good
2026-03-10T05:00:00.000Z	33 \| good	6.267 \| good	27.861 \| good	27.262 \| good	0.576 \| good	3.531 \| good	0.162 \| good
2026-03-10T06:00:00.000Z	38 \| good	6.532 \| good	29.036 \| good	25.429 \| good	0.553 \| good	3.153 \| good	0.153 \| good
2026-03-10T07:00:00.000Z	27 \| good	5.241 \| good	22.632 \| good	27.945 \| good	0.528 \| good	2.943 \| good	0.15 \| good
2026-03-10T08:00:00.000Z	27 \| good	5.249 \| good	22.929 \| good	27.249 \| good	0.504 \| good	2.734 \| good	0.147 \| good
2026-03-10T09:00:00.000Z	33 \| good	5.633 \| good	24.176 \| good	27.056 \| good	0.479 \| good	2.524 \| good	0.143 \| good
2026-03-10T10:00:00.000Z	33 \| good	6.347 \| good	28.107 \| good	21.782 \| good	0.428 \| good	2.467 \| good	0.142 \| good
2026-03-10T11:00:00.000Z	38 \| good	6.797 \| good	30.071 \| good	22.346 \| good	0.377 \| good	2.41 \| good	0.141 \| good
2026-03-10T12:00:00.000Z	33 \| good	6.39 \| good	28.329 \| good	21.189 \| good	0.326 \| good	2.353 \| good	0.139 \| good
2026-03-10T13:00:00.000Z	38 \| good	7.15 \| good	31.6 \| good	20.133 \| good	0.333 \| good	2.316 \| good	0.14 \| good
2026-03-10T14:00:00.000Z	38 \| good	7.188 \| good	31.693 \| good	23.21 \| good	0.34 \| good	2.279 \| good	0.14 \| good
2026-03-10T15:00:00.000Z	29 \| good	4.523 \| good	19.725 \| good	31.113 \| good	0.347 \| good	2.242 \| good	0.14 \| good
2026-03-10T16:00:00.000Z	33 \| good	5.504 \| good	23.292 \| good	33.613 \| good	0.386 \| good	1.852 \| good	0.138 \| good
2026-03-10T17:00:00.000Z	35 \| good	5.964 \| good	26.229 \| good	37.665 \| good	0.424 \| good	1.461 \| good	0.136 \| good
2026-03-10T18:00:00.000Z	44 \| good	7.524 \| good	33.072 \| good	32.531 \| good	0.463 \| good	1.071 \| good	0.133 \| good
2026-03-10T19:00:00.000Z	33 \| good	6.492 \| good	28.994 \| good	35.11 \| good	0.45 \| good	1.059 \| good	0.132 \| good
2026-03-10T20:00:00.000Z	36 \| good	5.49 \| good	23.899 \| good	38.89 \| good	0.438 \| good	1.047 \| good	0.131 \| good
2026-03-10T21:00:00.000Z	33 \| good	6.212 \| good	27.068 \| good	35.699 \| good	0.425 \| good	1.034 \| good	0.13 \| good
2026-03-10T22:00:00.000Z	44 \| good	7.779 \| good	34.197 \| good	30.818 \| good	0.409 \| good	1.511 \| good	0.132 \| good
2026-03-10T23:00:00.000Z	49 \| good	8.768 \| good	38.765 \| good	28.205 \| good	0.394 \| good	1.988 \| good	0.135 \| good
2026-03-11T00:00:00.000Z	29 \| good	2.377 \| good	9.869 \| good	30.647 \| good	0.378 \| good	2.465 \| good	0.138 \| good
2026-03-11T01:00:00.000Z	28 \| good	3.938 \| good	16.557 \| good	29.613 \| good	0.396 \| good	2.922 \| good	0.14 \| good
2026-03-11T02:00:00.000Z	60 \| moderate	14.051 \| fine	63.006 \| fine	24.16 \| good	0.413 \| good	3.379 \| good	0.142 \| good
2026-03-11T03:00:00.000Z	64 \| moderate	15.622 \| fine	69.901 \| fine	21.179 \| good	0.431 \| good	3.836 \| good	0.144 \| good
2026-03-11T04:00:00.000Z	60 \| moderate	13.75 \| fine	61.987 \| fine	21.034 \| good	0.4 \| good	3.229 \| good	0.139 \| good
2026-03-11T05:00:00.000Z	60 \| moderate	13.795 \| fine	62.092 \| fine	21.507 \| good	0.37 \| good	2.623 \| good	0.134 \| good
2026-03-11T06:00:00.000Z	49 \| good	8.653 \| good	8.873 \| good	36.809 \| good	0.339 \| good	1.985 \| good	0.128 \| good
2026-03-11T07:00:00.000Z	58 \| moderate	13.379 \| fine	59.566 \| fine	20.228 \| good	0.328 \| good	2.276 \| good	0.132 \| good
2026-03-11T08:00:00.000Z	27 \| good	5.021 \| good	21.95 \| good	28.059 \| good	0.316 \| good	2.535 \| good	0.135 \| good
2026-03-11T09:00:00.000Z	28 \| good	4.13 \| good	17.674 \| good	29.999 \| good	0.304 \| good	2.795 \| good	0.138 \| good
2026-03-11T10:00:00.000Z	64 \| moderate	15.806 \| fine	70.767 \| fine	19.015 \| good	0.358 \| good	3.353 \| good	0.145 \| good
2026-03-11T11:00:00.000Z	60 \| moderate	14.276 \| fine	63.536 \| fine	23.606 \| good	0.412 \| good	3.912 \| good	0.153 \| good
2026-03-11T12:00:00.000Z	27 \| good	5.092 \| good	5.128 \| good	20.103 \| good	0.462 \| good	4.438 \| good	0.159 \| good
2026-03-11T13:00:00.000Z	22 \| good	4.054 \| good	4.065 \| good	21.184 \| good	0.529 \| good	4.39 \| good	0.166 \| good
2026-03-11T14:00:00.000Z	20 \| good	3.227 \| good	3.23 \| good	22.264 \| good	0.596 \| good	4.342 \| good	0.172 \| good
2026-03-11T15:00:00.000Z	21 \| good	2.832 \| good	2.833 \| good	23.344 \| good	0.662 \| good	4.293 \| good	0.178 \| good
2026-03-11T16:00:00.000Z	24 \| good	2.19 \| good	2.179 \| good	25.603 \| good	0.561 \| good	3.553 \| good	0.174 \| good
2026-03-11T17:00:00.000Z	22 \| good	2.757 \| good	11.117 \| good	23.939 \| good	0.455 \| good	2.791 \| good	0.169 \| good
2026-03-11T18:00:00.000Z	28 \| good	1.014 \| good	1.018 \| good	30.12 \| good	0.358 \| good	2.073 \| good	0.165 \| good
2026-03-11T19:00:00.000Z	29 \| good	1.197 \| good	1.242 \| good	31.419 \| good	0.311 \| good	1.968 \| good	0.162 \| good
2026-03-11T20:00:00.000Z	31 \| good	1.475 \| good	1.522 \| good	32.718 \| good	0.264 \| good	1.863 \| good	0.16 \| good
2026-03-11T21:00:00.000Z	31 \| good	2.244 \| good	2.421 \| good	34.017 \| good	0.216 \| good	1.758 \| good	0.157 \| good

Ottawa

Get reliable air quality data to drive your business

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 08:00:00 on 2026-03-09.

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 10:00:00 on 2026-03-09.

What is the AQI in Ottawa, Illinois right now?

As of now, the AQI in Ottawa, Illinois is 40, 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 5.354 μg/m³.

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

The PM₁₀ concentration in Ottawa, Illinois is 23.057 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 0.148 ppm.

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

Currently, Ottawa, Illinois has a sulfur dioxide (SO₂) concentration of 0.524 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 42.69 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 0.833 ppb.

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