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

The PM10 concentration in Ottawa, Illinois is 4.277 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 0.15 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 17.758 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 7.639 ppb.

Live air quality index in Ottawa, Illinois today

Name: Live air pollution levels in Ottawa, Illinois today
Creator: Ambee

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)

1.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

4.28 μg/m³

155

255

425

605+

Ozone (O₃)

17.76 ppb

201

201+

Sulfur Dioxide (SO₂)

0.15 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.64 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-04T07:00:00.000Z	14 \| good	1.785 \| good	7.571 \| good	15.378 \| good	0.21 \| good	4.694 \| good	0.196 \| good
2025-09-04T08:00:00.000Z	13 \| good	1.903 \| good	7.943 \| good	14.321 \| good	0.226 \| good	5.12 \| good	0.197 \| good
2025-09-04T09:00:00.000Z	12 \| good	1.936 \| good	8.048 \| good	13.321 \| good	0.243 \| good	5.546 \| good	0.199 \| good
2025-09-04T10:00:00.000Z	13 \| good	1.816 \| good	7.676 \| good	14.083 \| good	0.252 \| good	5.874 \| good	0.202 \| good
2025-09-04T11:00:00.000Z	12 \| good	1.479 \| good	6.189 \| good	13.249 \| good	0.186 \| good	4.328 \| good	0.201 \| good
2025-09-04T12:00:00.000Z	14 \| good	2.062 \| good	8.219 \| good	14.757 \| good	0.188 \| good	4.639 \| good	0.205 \| good
2025-09-04T13:00:00.000Z	19 \| good	2.482 \| good	10.208 \| good	20.262 \| good	0.193 \| good	3.522 \| good	0.202 \| good
2025-09-04T14:00:00.000Z	25 \| good	3.574 \| good	16.105 \| good	27.011 \| good	0.199 \| good	2.408 \| good	0.2 \| good
2025-09-04T15:00:00.000Z	31 \| good	4.603 \| good	19.676 \| good	32.647 \| good	0.205 \| good	1.292 \| good	0.197 \| good
2025-09-04T16:00:00.000Z	33 \| good	4.547 \| good	19.619 \| good	36.478 \| good	0.178 \| good	1.043 \| good	0.193 \| good
2025-09-04T17:00:00.000Z	36 \| good	4.555 \| good	19.856 \| good	38.578 \| good	0.15 \| good	0.795 \| good	0.189 \| good
2025-09-04T18:00:00.000Z	37 \| good	5.279 \| good	22.676 \| good	40.144 \| good	0.123 \| good	0.546 \| good	0.184 \| good
2025-09-04T19:00:00.000Z	39 \| good	6.416 \| good	28.79 \| good	42.171 \| good	0.138 \| good	0.573 \| good	0.184 \| good
2025-09-04T20:00:00.000Z	41 \| good	7.052 \| good	30.868 \| good	44.079 \| good	0.153 \| good	0.6 \| good	0.185 \| good
2025-09-04T21:00:00.000Z	44 \| good	8.27 \| good	36.649 \| good	44.263 \| good	0.168 \| good	0.626 \| good	0.185 \| good
2025-09-04T22:00:00.000Z	41 \| good	7.024 \| good	31.21 \| good	44.448 \| good	0.21 \| good	1.402 \| good	0.189 \| good
2025-09-04T23:00:00.000Z	42 \| good	4.549 \| good	19.694 \| good	44.981 \| good	0.287 \| good	1.927 \| good	0.189 \| good
2025-09-05T00:00:00.000Z	36 \| good	2.295 \| good	9.15 \| good	39.483 \| good	0.331 \| good	2.568 \| good	0.193 \| good
2025-09-05T01:00:00.000Z	30 \| good	1.427 \| good	5.962 \| good	31.932 \| good	0.375 \| good	3.126 \| good	0.197 \| good
2025-09-05T02:00:00.000Z	26 \| good	2.742 \| good	10.97 \| good	27.763 \| good	0.419 \| good	3.684 \| good	0.201 \| good
2025-09-05T03:00:00.000Z	24 \| good	2.924 \| good	12.154 \| good	25.958 \| good	0.462 \| good	4.242 \| good	0.204 \| good
2025-09-05T04:00:00.000Z	26 \| good	1.338 \| good	5.342 \| good	28.409 \| good	0.453 \| good	3.791 \| good	0.202 \| good
2025-09-05T05:00:00.000Z	25 \| good	1.031 \| good	4.219 \| good	27.425 \| good	0.444 \| good	3.34 \| good	0.199 \| good
2025-09-05T06:00:00.000Z	24 \| good	1.28 \| good	5 \| good	26.054 \| good	0.435 \| good	2.889 \| good	0.196 \| good
2025-09-05T07:00:00.000Z	25 \| good	2.128 \| good	8.649 \| good	26.695 \| good	0.436 \| good	2.648 \| good	0.198 \| good
2025-09-05T08:00:00.000Z	23 \| good	2.56 \| good	10 \| good	24.56 \| good	0.437 \| good	2.407 \| good	0.201 \| good
2025-09-05T09:00:00.000Z	22 \| good	3.722 \| good	16.496 \| good	23.272 \| good	0.438 \| good	2.166 \| good	0.204 \| good
2025-09-05T10:00:00.000Z	38 \| good	7.2 \| good	32 \| good	25.669 \| good	0.35 \| good	2.127 \| good	0.202 \| good
2025-09-05T11:00:00.000Z	38 \| good	6.819 \| good	30.048 \| good	25.333 \| good	0.235 \| good	2.147 \| good	0.209 \| good
2025-09-05T12:00:00.000Z	49 \| good	9.195 \| good	40.469 \| good	21.415 \| good	0.169 \| good	2.093 \| good	0.213 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	10.414 \| good	46.088 \| good	24.249 \| good	0.154 \| good	1.728 \| good	0.208 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.936 \| good	52.971 \| good	24.84 \| good	0.14 \| good	1.363 \| good	0.203 \| good
2025-09-05T15:00:00.000Z	62 \| moderate	14.532 \| fine	65.685 \| fine	26.179 \| good	0.125 \| good	0.998 \| good	0.198 \| good
2025-09-05T16:00:00.000Z	62 \| moderate	14.773 \| fine	65.799 \| fine	28.249 \| good	0.123 \| good	0.855 \| good	0.189 \| good
2025-09-05T17:00:00.000Z	58 \| moderate	12.919 \| fine	58.33 \| fine	27.704 \| good	0.122 \| good	0.711 \| good	0.18 \| good
2025-09-05T18:00:00.000Z	56 \| moderate	12.376 \| fine	55.571 \| fine	29.237 \| good	0.121 \| good	0.568 \| good	0.172 \| good
2025-09-05T19:00:00.000Z	56 \| moderate	11.819 \| good	52.713 \| good	28.672 \| good	0.114 \| good	0.576 \| good	0.169 \| good
2025-09-05T20:00:00.000Z	49 \| good	8.758 \| good	38.76 \| good	30.29 \| good	0.108 \| good	0.583 \| good	0.166 \| good
2025-09-05T21:00:00.000Z	30 \| good	5.014 \| good	21.751 \| good	31.846 \| good	0.101 \| good	0.591 \| good	0.163 \| good
2025-09-05T22:00:00.000Z	30 \| good	3.412 \| good	14.913 \| good	32.314 \| good	0.096 \| good	1.01 \| good	0.163 \| good
2025-09-05T23:00:00.000Z	30 \| good	1.962 \| good	8 \| good	32.258 \| good	0.079 \| good	1.506 \| good	0.161 \| good
2025-09-06T00:00:00.000Z	28 \| good	1.65 \| good	6.763 \| good	30.268 \| good	0.082 \| good	1.966 \| good	0.16 \| good
2025-09-06T01:00:00.000Z	25 \| good	1.252 \| good	5.048 \| good	26.809 \| good	0.091 \| good	2.566 \| good	0.158 \| good
2025-09-06T02:00:00.000Z	22 \| good	1.568 \| good	6.505 \| good	23.934 \| good	0.101 \| good	3.165 \| good	0.156 \| good
2025-09-06T03:00:00.000Z	20 \| good	2.144 \| good	8.457 \| good	21.937 \| good	0.11 \| good	3.765 \| good	0.155 \| good
2025-09-06T04:00:00.000Z	19 \| good	2.054 \| good	8 \| good	20.027 \| good	0.13 \| good	5.702 \| good	0.163 \| good
2025-09-06T05:00:00.000Z	17 \| good	1.05 \| good	4.277 \| good	17.758 \| good	0.15 \| good	7.639 \| good	0.172 \| good
2025-09-06T06:00:00.000Z	17 \| good	1.05 \| good	4.277 \| good	17.758 \| good	0.15 \| good	7.639 \| good	0.172 \| good
2025-09-04T08:00:00.000Z	13 \| good	1.894 \| good	7.915 \| good	14.372 \| good	0.225 \| good	5.113 \| good	0.197 \| good
2025-09-04T09:00:00.000Z	12 \| good	1.909 \| good	7.93 \| good	13.36 \| good	0.242 \| good	5.539 \| good	0.199 \| good
2025-09-04T10:00:00.000Z	13 \| good	1.822 \| good	7.659 \| good	14.117 \| good	0.251 \| good	5.869 \| good	0.202 \| good
2025-09-04T11:00:00.000Z	12 \| good	1.455 \| good	6.087 \| good	13.277 \| good	0.26 \| good	6.199 \| good	0.206 \| good
2025-09-04T12:00:00.000Z	12 \| good	1.894 \| good	7.876 \| good	13.331 \| good	0.269 \| good	6.529 \| good	0.209 \| good
2025-09-04T13:00:00.000Z	19 \| good	3.138 \| good	13.518 \| good	19.79 \| good	0.33 \| good	5.026 \| good	0.202 \| good
2025-09-04T14:00:00.000Z	27 \| good	5.283 \| good	22.792 \| good	27.318 \| good	0.391 \| good	3.522 \| good	0.195 \| good
2025-09-04T15:00:00.000Z	38 \| good	6.803 \| good	30.254 \| good	36.198 \| good	0.452 \| good	2.019 \| good	0.188 \| good
2025-09-04T16:00:00.000Z	38 \| good	7.19 \| good	31.45 \| good	38.154 \| good	0.351 \| good	1.528 \| good	0.185 \| good
2025-09-04T17:00:00.000Z	38 \| good	7.287 \| good	32.041 \| good	38.984 \| good	0.25 \| good	1.036 \| good	0.181 \| good
2025-09-04T18:00:00.000Z	38 \| good	6.481 \| good	28.798 \| good	40.859 \| good	0.149 \| good	0.544 \| good	0.177 \| good
2025-09-04T19:00:00.000Z	38 \| good	6.161 \| good	27.375 \| good	41.126 \| good	0.145 \| good	0.583 \| good	0.18 \| good
2025-09-04T20:00:00.000Z	44 \| good	8.073 \| good	35.493 \| good	41.412 \| good	0.141 \| good	0.621 \| good	0.182 \| good
2025-09-04T21:00:00.000Z	44 \| good	8.109 \| good	35.556 \| good	42.094 \| good	0.137 \| good	0.659 \| good	0.185 \| good
2025-09-04T22:00:00.000Z	40 \| good	6.066 \| good	26.423 \| good	42.516 \| good	0.173 \| good	1.577 \| good	0.192 \| good
2025-09-04T23:00:00.000Z	40 \| good	4.898 \| good	21.553 \| good	42.705 \| good	0.209 \| good	2.495 \| good	0.2 \| good
2025-09-05T00:00:00.000Z	35 \| good	6.245 \| good	28.061 \| good	37.762 \| good	0.245 \| good	3.414 \| good	0.208 \| good
2025-09-05T01:00:00.000Z	31 \| good	3.539 \| good	15.344 \| good	33.112 \| good	0.321 \| good	3.996 \| good	0.212 \| good
2025-09-05T02:00:00.000Z	29 \| good	1.321 \| good	5.36 \| good	30.54 \| good	0.397 \| good	4.577 \| good	0.215 \| good
2025-09-05T03:00:00.000Z	26 \| good	0.654 \| good	2.58 \| good	27.754 \| good	0.473 \| good	5.159 \| good	0.219 \| good
2025-09-05T04:00:00.000Z	25 \| good	1.793 \| good	7.59 \| good	27.182 \| good	0.457 \| good	4.529 \| good	0.213 \| good
2025-09-05T05:00:00.000Z	26 \| good	0.528 \| good	1.888 \| good	28.425 \| good	0.442 \| good	3.899 \| good	0.208 \| good
2025-09-05T06:00:00.000Z	24 \| good	1.045 \| good	4.526 \| good	26.093 \| good	0.426 \| good	3.268 \| good	0.202 \| good
2025-09-05T07:00:00.000Z	24 \| good	2.217 \| good	8.929 \| good	26.354 \| good	0.426 \| good	2.926 \| good	0.202 \| good
2025-09-05T08:00:00.000Z	24 \| good	2.511 \| good	9.847 \| good	26.306 \| good	0.426 \| good	2.584 \| good	0.201 \| good
2025-09-05T09:00:00.000Z	22 \| good	2.843 \| good	11.758 \| good	24.353 \| good	0.426 \| good	2.242 \| good	0.2 \| good
2025-09-05T10:00:00.000Z	22 \| good	3.332 \| good	14.704 \| good	24.001 \| good	0.359 \| good	2.169 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	23 \| good	2.715 \| good	10.79 \| good	25.138 \| good	0.292 \| good	2.096 \| good	0.2 \| good
2025-09-05T12:00:00.000Z	23 \| good	3.71 \| good	16.269 \| good	24.984 \| good	0.225 \| good	2.023 \| good	0.2 \| good
2025-09-05T13:00:00.000Z	23 \| good	3.508 \| good	15.881 \| good	25.232 \| good	0.198 \| good	1.695 \| good	0.197 \| good
2025-09-05T14:00:00.000Z	24 \| good	3.2 \| good	14 \| good	26.113 \| good	0.171 \| good	1.368 \| good	0.194 \| good
2025-09-05T15:00:00.000Z	25 \| good	3.229 \| good	14.136 \| good	27.287 \| good	0.143 \| good	1.041 \| good	0.19 \| good
2025-09-05T16:00:00.000Z	27 \| good	2.412 \| good	9.577 \| good	29.1 \| good	0.143 \| good	0.884 \| good	0.187 \| good
2025-09-05T17:00:00.000Z	28 \| good	1.884 \| good	7.532 \| good	29.826 \| good	0.142 \| good	0.728 \| good	0.184 \| good
2025-09-05T18:00:00.000Z	28 \| good	1.429 \| good	5.85 \| good	29.574 \| good	0.142 \| good	0.571 \| good	0.181 \| good
2025-09-05T19:00:00.000Z	28 \| good	2.298 \| good	9.539 \| good	29.691 \| good	0.136 \| good	0.572 \| good	0.178 \| good
2025-09-05T20:00:00.000Z	28 \| good	3.052 \| good	13.004 \| good	29.777 \| good	0.13 \| good	0.572 \| good	0.176 \| good
2025-09-05T21:00:00.000Z	30 \| good	3.617 \| good	16.057 \| good	31.89 \| good	0.124 \| good	0.573 \| good	0.173 \| good
2025-09-05T22:00:00.000Z	31 \| good	4.996 \| good	21.6 \| good	34.175 \| good	0.117 \| good	1.022 \| good	0.17 \| good
2025-09-05T23:00:00.000Z	31 \| good	4.997 \| good	21.597 \| good	33.584 \| good	0.109 \| good	1.472 \| good	0.166 \| good
2025-09-06T00:00:00.000Z	33 \| good	5.652 \| good	24.662 \| good	28.799 \| good	0.102 \| good	1.921 \| good	0.163 \| good
2025-09-06T01:00:00.000Z	22 \| good	4.458 \| good	19.297 \| good	23.78 \| good	0.103 \| good	2.611 \| good	0.161 \| good
2025-09-06T02:00:00.000Z	22 \| good	3.96 \| good	17.198 \| good	21.653 \| good	0.104 \| good	3.3 \| good	0.16 \| good
2025-09-06T03:00:00.000Z	22 \| good	3.558 \| good	15.586 \| good	19.092 \| good	0.106 \| good	3.99 \| good	0.158 \| good
2025-09-06T04:00:00.000Z	16 \| good	3.434 \| good	15.044 \| good	17.396 \| good	0.112 \| good	4.966 \| good	0.161 \| good
2025-09-06T05:00:00.000Z	16 \| good	3.394 \| good	14.966 \| good	15.446 \| good	0.118 \| good	5.942 \| good	0.164 \| good
2025-09-06T06:00:00.000Z	18 \| good	2.221 \| good	2.231 \| good	18.766 \| good	0.124 \| good	6.91 \| good	0.166 \| good
2025-09-06T07:00:00.000Z	33 \| good	5.521 \| good	23.884 \| good	11.07 \| good	0.138 \| good	7.606 \| good	0.168 \| good

Ottawa

Get reliable air quality data to drive your business

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

0.19ppm

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 04:00:00 on 2025-09-05.

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 05:00:00 on 2025-09-06.

What is the AQI in Ottawa, Illinois right now?

As of now, the AQI in Ottawa, Illinois is 17, 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 1.05 μg/m³.

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

The PM₁₀ concentration in Ottawa, Illinois is 4.277 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 0.172 ppm.

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

Currently, Ottawa, Illinois has a sulfur dioxide (SO₂) concentration of 0.15 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 17.758 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 7.639 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T07:00:00.000Z	14 \| good	1.785 \| good	7.571 \| good	15.378 \| good	0.21 \| good	4.694 \| good	0.196 \| good
2025-09-04T08:00:00.000Z	13 \| good	1.903 \| good	7.943 \| good	14.321 \| good	0.226 \| good	5.12 \| good	0.197 \| good
2025-09-04T09:00:00.000Z	12 \| good	1.936 \| good	8.048 \| good	13.321 \| good	0.243 \| good	5.546 \| good	0.199 \| good
2025-09-04T10:00:00.000Z	13 \| good	1.816 \| good	7.676 \| good	14.083 \| good	0.252 \| good	5.874 \| good	0.202 \| good
2025-09-04T11:00:00.000Z	12 \| good	1.479 \| good	6.189 \| good	13.249 \| good	0.186 \| good	4.328 \| good	0.201 \| good
2025-09-04T12:00:00.000Z	14 \| good	2.062 \| good	8.219 \| good	14.757 \| good	0.188 \| good	4.639 \| good	0.205 \| good
2025-09-04T13:00:00.000Z	19 \| good	2.482 \| good	10.208 \| good	20.262 \| good	0.193 \| good	3.522 \| good	0.202 \| good
2025-09-04T14:00:00.000Z	25 \| good	3.574 \| good	16.105 \| good	27.011 \| good	0.199 \| good	2.408 \| good	0.2 \| good
2025-09-04T15:00:00.000Z	31 \| good	4.603 \| good	19.676 \| good	32.647 \| good	0.205 \| good	1.292 \| good	0.197 \| good
2025-09-04T16:00:00.000Z	33 \| good	4.547 \| good	19.619 \| good	36.478 \| good	0.178 \| good	1.043 \| good	0.193 \| good
2025-09-04T17:00:00.000Z	36 \| good	4.555 \| good	19.856 \| good	38.578 \| good	0.15 \| good	0.795 \| good	0.189 \| good
2025-09-04T18:00:00.000Z	37 \| good	5.279 \| good	22.676 \| good	40.144 \| good	0.123 \| good	0.546 \| good	0.184 \| good
2025-09-04T19:00:00.000Z	39 \| good	6.416 \| good	28.79 \| good	42.171 \| good	0.138 \| good	0.573 \| good	0.184 \| good
2025-09-04T20:00:00.000Z	41 \| good	7.052 \| good	30.868 \| good	44.079 \| good	0.153 \| good	0.6 \| good	0.185 \| good
2025-09-04T21:00:00.000Z	44 \| good	8.27 \| good	36.649 \| good	44.263 \| good	0.168 \| good	0.626 \| good	0.185 \| good
2025-09-04T22:00:00.000Z	41 \| good	7.024 \| good	31.21 \| good	44.448 \| good	0.21 \| good	1.402 \| good	0.189 \| good
2025-09-04T23:00:00.000Z	42 \| good	4.549 \| good	19.694 \| good	44.981 \| good	0.287 \| good	1.927 \| good	0.189 \| good
2025-09-05T00:00:00.000Z	36 \| good	2.295 \| good	9.15 \| good	39.483 \| good	0.331 \| good	2.568 \| good	0.193 \| good
2025-09-05T01:00:00.000Z	30 \| good	1.427 \| good	5.962 \| good	31.932 \| good	0.375 \| good	3.126 \| good	0.197 \| good
2025-09-05T02:00:00.000Z	26 \| good	2.742 \| good	10.97 \| good	27.763 \| good	0.419 \| good	3.684 \| good	0.201 \| good
2025-09-05T03:00:00.000Z	24 \| good	2.924 \| good	12.154 \| good	25.958 \| good	0.462 \| good	4.242 \| good	0.204 \| good
2025-09-05T04:00:00.000Z	26 \| good	1.338 \| good	5.342 \| good	28.409 \| good	0.453 \| good	3.791 \| good	0.202 \| good
2025-09-05T05:00:00.000Z	25 \| good	1.031 \| good	4.219 \| good	27.425 \| good	0.444 \| good	3.34 \| good	0.199 \| good
2025-09-05T06:00:00.000Z	24 \| good	1.28 \| good	5 \| good	26.054 \| good	0.435 \| good	2.889 \| good	0.196 \| good
2025-09-05T07:00:00.000Z	25 \| good	2.128 \| good	8.649 \| good	26.695 \| good	0.436 \| good	2.648 \| good	0.198 \| good
2025-09-05T08:00:00.000Z	23 \| good	2.56 \| good	10 \| good	24.56 \| good	0.437 \| good	2.407 \| good	0.201 \| good
2025-09-05T09:00:00.000Z	22 \| good	3.722 \| good	16.496 \| good	23.272 \| good	0.438 \| good	2.166 \| good	0.204 \| good
2025-09-05T10:00:00.000Z	38 \| good	7.2 \| good	32 \| good	25.669 \| good	0.35 \| good	2.127 \| good	0.202 \| good
2025-09-05T11:00:00.000Z	38 \| good	6.819 \| good	30.048 \| good	25.333 \| good	0.235 \| good	2.147 \| good	0.209 \| good
2025-09-05T12:00:00.000Z	49 \| good	9.195 \| good	40.469 \| good	21.415 \| good	0.169 \| good	2.093 \| good	0.213 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	10.414 \| good	46.088 \| good	24.249 \| good	0.154 \| good	1.728 \| good	0.208 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.936 \| good	52.971 \| good	24.84 \| good	0.14 \| good	1.363 \| good	0.203 \| good
2025-09-05T15:00:00.000Z	62 \| moderate	14.532 \| fine	65.685 \| fine	26.179 \| good	0.125 \| good	0.998 \| good	0.198 \| good
2025-09-05T16:00:00.000Z	62 \| moderate	14.773 \| fine	65.799 \| fine	28.249 \| good	0.123 \| good	0.855 \| good	0.189 \| good
2025-09-05T17:00:00.000Z	58 \| moderate	12.919 \| fine	58.33 \| fine	27.704 \| good	0.122 \| good	0.711 \| good	0.18 \| good
2025-09-05T18:00:00.000Z	56 \| moderate	12.376 \| fine	55.571 \| fine	29.237 \| good	0.121 \| good	0.568 \| good	0.172 \| good
2025-09-05T19:00:00.000Z	56 \| moderate	11.819 \| good	52.713 \| good	28.672 \| good	0.114 \| good	0.576 \| good	0.169 \| good
2025-09-05T20:00:00.000Z	49 \| good	8.758 \| good	38.76 \| good	30.29 \| good	0.108 \| good	0.583 \| good	0.166 \| good
2025-09-05T21:00:00.000Z	30 \| good	5.014 \| good	21.751 \| good	31.846 \| good	0.101 \| good	0.591 \| good	0.163 \| good
2025-09-05T22:00:00.000Z	30 \| good	3.412 \| good	14.913 \| good	32.314 \| good	0.096 \| good	1.01 \| good	0.163 \| good
2025-09-05T23:00:00.000Z	30 \| good	1.962 \| good	8 \| good	32.258 \| good	0.079 \| good	1.506 \| good	0.161 \| good
2025-09-06T00:00:00.000Z	28 \| good	1.65 \| good	6.763 \| good	30.268 \| good	0.082 \| good	1.966 \| good	0.16 \| good
2025-09-06T01:00:00.000Z	25 \| good	1.252 \| good	5.048 \| good	26.809 \| good	0.091 \| good	2.566 \| good	0.158 \| good
2025-09-06T02:00:00.000Z	22 \| good	1.568 \| good	6.505 \| good	23.934 \| good	0.101 \| good	3.165 \| good	0.156 \| good
2025-09-06T03:00:00.000Z	20 \| good	2.144 \| good	8.457 \| good	21.937 \| good	0.11 \| good	3.765 \| good	0.155 \| good
2025-09-06T04:00:00.000Z	19 \| good	2.054 \| good	8 \| good	20.027 \| good	0.13 \| good	5.702 \| good	0.163 \| good
2025-09-06T05:00:00.000Z	17 \| good	1.05 \| good	4.277 \| good	17.758 \| good	0.15 \| good	7.639 \| good	0.172 \| good
2025-09-06T06:00:00.000Z	17 \| good	1.05 \| good	4.277 \| good	17.758 \| good	0.15 \| good	7.639 \| good	0.172 \| good
2025-09-04T08:00:00.000Z	13 \| good	1.894 \| good	7.915 \| good	14.372 \| good	0.225 \| good	5.113 \| good	0.197 \| good
2025-09-04T09:00:00.000Z	12 \| good	1.909 \| good	7.93 \| good	13.36 \| good	0.242 \| good	5.539 \| good	0.199 \| good
2025-09-04T10:00:00.000Z	13 \| good	1.822 \| good	7.659 \| good	14.117 \| good	0.251 \| good	5.869 \| good	0.202 \| good
2025-09-04T11:00:00.000Z	12 \| good	1.455 \| good	6.087 \| good	13.277 \| good	0.26 \| good	6.199 \| good	0.206 \| good
2025-09-04T12:00:00.000Z	12 \| good	1.894 \| good	7.876 \| good	13.331 \| good	0.269 \| good	6.529 \| good	0.209 \| good
2025-09-04T13:00:00.000Z	19 \| good	3.138 \| good	13.518 \| good	19.79 \| good	0.33 \| good	5.026 \| good	0.202 \| good
2025-09-04T14:00:00.000Z	27 \| good	5.283 \| good	22.792 \| good	27.318 \| good	0.391 \| good	3.522 \| good	0.195 \| good
2025-09-04T15:00:00.000Z	38 \| good	6.803 \| good	30.254 \| good	36.198 \| good	0.452 \| good	2.019 \| good	0.188 \| good
2025-09-04T16:00:00.000Z	38 \| good	7.19 \| good	31.45 \| good	38.154 \| good	0.351 \| good	1.528 \| good	0.185 \| good
2025-09-04T17:00:00.000Z	38 \| good	7.287 \| good	32.041 \| good	38.984 \| good	0.25 \| good	1.036 \| good	0.181 \| good
2025-09-04T18:00:00.000Z	38 \| good	6.481 \| good	28.798 \| good	40.859 \| good	0.149 \| good	0.544 \| good	0.177 \| good
2025-09-04T19:00:00.000Z	38 \| good	6.161 \| good	27.375 \| good	41.126 \| good	0.145 \| good	0.583 \| good	0.18 \| good
2025-09-04T20:00:00.000Z	44 \| good	8.073 \| good	35.493 \| good	41.412 \| good	0.141 \| good	0.621 \| good	0.182 \| good
2025-09-04T21:00:00.000Z	44 \| good	8.109 \| good	35.556 \| good	42.094 \| good	0.137 \| good	0.659 \| good	0.185 \| good
2025-09-04T22:00:00.000Z	40 \| good	6.066 \| good	26.423 \| good	42.516 \| good	0.173 \| good	1.577 \| good	0.192 \| good
2025-09-04T23:00:00.000Z	40 \| good	4.898 \| good	21.553 \| good	42.705 \| good	0.209 \| good	2.495 \| good	0.2 \| good
2025-09-05T00:00:00.000Z	35 \| good	6.245 \| good	28.061 \| good	37.762 \| good	0.245 \| good	3.414 \| good	0.208 \| good
2025-09-05T01:00:00.000Z	31 \| good	3.539 \| good	15.344 \| good	33.112 \| good	0.321 \| good	3.996 \| good	0.212 \| good
2025-09-05T02:00:00.000Z	29 \| good	1.321 \| good	5.36 \| good	30.54 \| good	0.397 \| good	4.577 \| good	0.215 \| good
2025-09-05T03:00:00.000Z	26 \| good	0.654 \| good	2.58 \| good	27.754 \| good	0.473 \| good	5.159 \| good	0.219 \| good
2025-09-05T04:00:00.000Z	25 \| good	1.793 \| good	7.59 \| good	27.182 \| good	0.457 \| good	4.529 \| good	0.213 \| good
2025-09-05T05:00:00.000Z	26 \| good	0.528 \| good	1.888 \| good	28.425 \| good	0.442 \| good	3.899 \| good	0.208 \| good
2025-09-05T06:00:00.000Z	24 \| good	1.045 \| good	4.526 \| good	26.093 \| good	0.426 \| good	3.268 \| good	0.202 \| good
2025-09-05T07:00:00.000Z	24 \| good	2.217 \| good	8.929 \| good	26.354 \| good	0.426 \| good	2.926 \| good	0.202 \| good
2025-09-05T08:00:00.000Z	24 \| good	2.511 \| good	9.847 \| good	26.306 \| good	0.426 \| good	2.584 \| good	0.201 \| good
2025-09-05T09:00:00.000Z	22 \| good	2.843 \| good	11.758 \| good	24.353 \| good	0.426 \| good	2.242 \| good	0.2 \| good
2025-09-05T10:00:00.000Z	22 \| good	3.332 \| good	14.704 \| good	24.001 \| good	0.359 \| good	2.169 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	23 \| good	2.715 \| good	10.79 \| good	25.138 \| good	0.292 \| good	2.096 \| good	0.2 \| good
2025-09-05T12:00:00.000Z	23 \| good	3.71 \| good	16.269 \| good	24.984 \| good	0.225 \| good	2.023 \| good	0.2 \| good
2025-09-05T13:00:00.000Z	23 \| good	3.508 \| good	15.881 \| good	25.232 \| good	0.198 \| good	1.695 \| good	0.197 \| good
2025-09-05T14:00:00.000Z	24 \| good	3.2 \| good	14 \| good	26.113 \| good	0.171 \| good	1.368 \| good	0.194 \| good
2025-09-05T15:00:00.000Z	25 \| good	3.229 \| good	14.136 \| good	27.287 \| good	0.143 \| good	1.041 \| good	0.19 \| good
2025-09-05T16:00:00.000Z	27 \| good	2.412 \| good	9.577 \| good	29.1 \| good	0.143 \| good	0.884 \| good	0.187 \| good
2025-09-05T17:00:00.000Z	28 \| good	1.884 \| good	7.532 \| good	29.826 \| good	0.142 \| good	0.728 \| good	0.184 \| good
2025-09-05T18:00:00.000Z	28 \| good	1.429 \| good	5.85 \| good	29.574 \| good	0.142 \| good	0.571 \| good	0.181 \| good
2025-09-05T19:00:00.000Z	28 \| good	2.298 \| good	9.539 \| good	29.691 \| good	0.136 \| good	0.572 \| good	0.178 \| good
2025-09-05T20:00:00.000Z	28 \| good	3.052 \| good	13.004 \| good	29.777 \| good	0.13 \| good	0.572 \| good	0.176 \| good
2025-09-05T21:00:00.000Z	30 \| good	3.617 \| good	16.057 \| good	31.89 \| good	0.124 \| good	0.573 \| good	0.173 \| good
2025-09-05T22:00:00.000Z	31 \| good	4.996 \| good	21.6 \| good	34.175 \| good	0.117 \| good	1.022 \| good	0.17 \| good
2025-09-05T23:00:00.000Z	31 \| good	4.997 \| good	21.597 \| good	33.584 \| good	0.109 \| good	1.472 \| good	0.166 \| good
2025-09-06T00:00:00.000Z	33 \| good	5.652 \| good	24.662 \| good	28.799 \| good	0.102 \| good	1.921 \| good	0.163 \| good
2025-09-06T01:00:00.000Z	22 \| good	4.458 \| good	19.297 \| good	23.78 \| good	0.103 \| good	2.611 \| good	0.161 \| good
2025-09-06T02:00:00.000Z	22 \| good	3.96 \| good	17.198 \| good	21.653 \| good	0.104 \| good	3.3 \| good	0.16 \| good
2025-09-06T03:00:00.000Z	22 \| good	3.558 \| good	15.586 \| good	19.092 \| good	0.106 \| good	3.99 \| good	0.158 \| good
2025-09-06T04:00:00.000Z	16 \| good	3.434 \| good	15.044 \| good	17.396 \| good	0.112 \| good	4.966 \| good	0.161 \| good
2025-09-06T05:00:00.000Z	16 \| good	3.394 \| good	14.966 \| good	15.446 \| good	0.118 \| good	5.942 \| good	0.164 \| good
2025-09-06T06:00:00.000Z	18 \| good	2.221 \| good	2.231 \| good	18.766 \| good	0.124 \| good	6.91 \| good	0.166 \| good
2025-09-06T07:00:00.000Z	33 \| good	5.521 \| good	23.884 \| good	11.07 \| good	0.138 \| good	7.606 \| good	0.168 \| 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 carbon monoxide (CO) level in Ottawa, Illinois at the moment?

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

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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?