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

The PM10 concentration in Ottawa, Illinois is 54.431 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 1.092 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 6.284 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 7.728 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 12.068 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)

Moderate

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)

12.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.43 μg/m³

155

255

425

605+

Ozone (O₃)

6.28 ppb

201

201+

Sulfur Dioxide (SO₂)

1.09 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-09-05T12:00:00.000Z	33 \| good	5.595 \| good	24.713 \| good	22.767 \| good	0.449 \| good	11.398 \| good	0.224 \| good
2026-09-05T13:00:00.000Z	33 \| good	5.645 \| good	24.048 \| good	25.234 \| good	0.432 \| good	7.096 \| good	0.21 \| good
2026-09-05T14:00:00.000Z	33 \| good	6.242 \| good	27.658 \| good	30.385 \| good	0.463 \| good	4.839 \| good	0.202 \| good
2026-09-05T15:00:00.000Z	49 \| good	8.998 \| good	40.068 \| good	33.991 \| good	0.437 \| good	2.728 \| good	0.185 \| good
2026-09-05T16:00:00.000Z	54 \| moderate	10.619 \| good	46.781 \| good	40.276 \| good	0.407 \| good	1.526 \| good	0.173 \| good
2026-09-05T17:00:00.000Z	52 \| moderate	10.219 \| good	45.342 \| good	45.335 \| good	0.411 \| good	1.068 \| good	0.168 \| good
2026-09-05T18:00:00.000Z	52 \| moderate	10.211 \| good	45.351 \| good	49.54 \| good	0.414 \| good	0.889 \| good	0.166 \| good
2026-09-05T19:00:00.000Z	54 \| moderate	10.744 \| good	47.675 \| good	51.055 \| good	0.406 \| good	0.803 \| good	0.164 \| good
2026-09-05T20:00:00.000Z	56 \| moderate	12.39 \| fine	56.561 \| fine	49.828 \| good	0.415 \| good	0.802 \| good	0.165 \| good
2026-09-05T21:00:00.000Z	58 \| moderate	12.643 \| fine	56.886 \| fine	53.097 \| good	0.457 \| good	0.887 \| good	0.167 \| good
2026-09-05T22:00:00.000Z	56 \| moderate	11.816 \| good	52.743 \| good	49.062 \| good	0.506 \| good	1.05 \| good	0.167 \| good
2026-09-05T23:00:00.000Z	56 \| moderate	11.592 \| good	51 \| good	43.248 \| good	0.568 \| good	1.471 \| good	0.168 \| good
2026-09-06T00:00:00.000Z	54 \| moderate	11.059 \| good	48.829 \| good	36.046 \| good	0.62 \| good	2.345 \| good	0.167 \| good
2026-09-06T01:00:00.000Z	54 \| moderate	11.117 \| good	49.505 \| good	34.513 \| good	0.728 \| good	3.162 \| good	0.169 \| good
2026-09-06T02:00:00.000Z	52 \| moderate	10.107 \| good	44.676 \| good	30.295 \| good	0.814 \| good	3.779 \| good	0.171 \| good
2026-09-06T03:00:00.000Z	52 \| moderate	9.976 \| good	44.4 \| good	27.249 \| good	0.853 \| good	4.223 \| good	0.171 \| good
2026-09-06T04:00:00.000Z	49 \| good	9.47 \| good	42.4 \| good	24.64 \| good	0.838 \| good	4.692 \| good	0.171 \| good
2026-09-06T05:00:00.000Z	52 \| moderate	9.75 \| good	43.4 \| good	22.038 \| good	0.798 \| good	5.15 \| good	0.171 \| good
2026-09-06T06:00:00.000Z	52 \| moderate	9.726 \| good	43.4 \| good	18.379 \| good	0.755 \| good	5.579 \| good	0.171 \| good
2026-09-06T07:00:00.000Z	52 \| moderate	10.225 \| good	45.18 \| good	16.536 \| good	0.722 \| good	5.931 \| good	0.172 \| good
2026-09-06T08:00:00.000Z	54 \| moderate	11 \| good	48.351 \| good	15.114 \| good	0.706 \| good	6.172 \| good	0.172 \| good
2026-09-06T09:00:00.000Z	56 \| moderate	11.608 \| good	51.18 \| good	13.499 \| good	0.718 \| good	6.293 \| good	0.173 \| good
2026-09-06T10:00:00.000Z	56 \| moderate	12.461 \| fine	56.658 \| fine	11.199 \| good	0.768 \| good	6.385 \| good	0.175 \| good
2026-09-06T11:00:00.000Z	58 \| moderate	12.716 \| fine	57 \| fine	10.949 \| good	0.872 \| good	6.518 \| good	0.178 \| good
2026-09-06T12:00:00.000Z	49 \| good	8.536 \| good	37.58 \| good	13.962 \| good	0.869 \| good	6.204 \| good	0.172 \| good
2026-09-06T13:00:00.000Z	54 \| moderate	10.887 \| good	48.523 \| good	17.599 \| good	1.011 \| good	5.068 \| good	0.177 \| good
2026-09-06T14:00:00.000Z	56 \| moderate	12.018 \| good	54.058 \| good	24.329 \| good	1.474 \| good	3.749 \| good	0.176 \| good
2026-09-06T15:00:00.000Z	58 \| moderate	13.241 \| fine	59 \| fine	32.553 \| good	1.675 \| good	2.778 \| good	0.173 \| good
2026-09-06T16:00:00.000Z	60 \| moderate	14.407 \| fine	63.859 \| fine	38.729 \| good	1.604 \| good	1.859 \| good	0.167 \| good
2026-09-06T17:00:00.000Z	64 \| moderate	15.92 \| fine	70.945 \| fine	45.182 \| good	1.31 \| good	1.12 \| good	0.158 \| good
2026-09-06T18:00:00.000Z	66 \| moderate	17.1 \| fine	76.087 \| fine	51.452 \| good	1.122 \| good	0.816 \| good	0.152 \| good
2026-09-06T19:00:00.000Z	64 \| moderate	16.481 \| fine	73.097 \| fine	53.944 \| good	1 \| good	0.705 \| good	0.149 \| good
2026-09-06T20:00:00.000Z	62 \| moderate	14.736 \| fine	66.238 \| fine	53.532 \| good	0.908 \| good	0.687 \| good	0.148 \| good
2026-09-06T21:00:00.000Z	58 \| moderate	12.928 \| fine	58.238 \| fine	50.575 \| good	0.825 \| good	0.729 \| good	0.146 \| good
2026-09-06T22:00:00.000Z	58 \| moderate	12.682 \| fine	57.324 \| fine	44.443 \| good	0.749 \| good	0.885 \| good	0.146 \| good
2026-09-06T23:00:00.000Z	58 \| moderate	12.599 \| fine	57 \| fine	39.98 \| good	0.69 \| good	1.386 \| good	0.148 \| good
2026-09-07T00:00:00.000Z	56 \| moderate	11.631 \| good	51.277 \| good	36.223 \| good	0.72 \| good	2.459 \| good	0.154 \| good
2026-09-07T01:00:00.000Z	58 \| moderate	12.94 \| fine	58.201 \| fine	34.17 \| good	0.758 \| good	3.577 \| good	0.159 \| good
2026-09-07T02:00:00.000Z	58 \| moderate	13.421 \| fine	60.298 \| fine	23.965 \| good	0.82 \| good	4.484 \| good	0.164 \| good
2026-09-07T03:00:00.000Z	58 \| moderate	12.867 \| fine	57.553 \| fine	17.248 \| good	0.891 \| good	5.438 \| good	0.169 \| good
2026-09-07T04:00:00.000Z	56 \| moderate	12.286 \| fine	55.439 \| fine	13.804 \| good	0.942 \| good	6.439 \| good	0.175 \| good
2026-09-07T05:00:00.000Z	56 \| moderate	12.386 \| fine	56.298 \| fine	12.891 \| good	0.972 \| good	7.222 \| good	0.181 \| good
2026-09-07T06:00:00.000Z	58 \| moderate	12.559 \| fine	57 \| fine	11.438 \| good	0.99 \| good	7.595 \| good	0.183 \| good
2026-09-07T07:00:00.000Z	58 \| moderate	12.672 \| fine	57 \| fine	9.917 \| good	1.006 \| good	7.691 \| good	0.184 \| good
2026-09-07T08:00:00.000Z	56 \| moderate	12.493 \| fine	57 \| fine	8.297 \| good	1.025 \| good	7.708 \| good	0.183 \| good
2026-09-07T09:00:00.000Z	56 \| moderate	11.986 \| good	54.219 \| good	8.289 \| good	1.056 \| good	7.682 \| good	0.182 \| good
2026-09-07T10:00:00.000Z	56 \| moderate	12.068 \| good	54.431 \| good	6.284 \| good	1.092 \| good	7.728 \| good	0.182 \| good
2026-09-07T11:00:00.000Z	54 \| moderate	11.136 \| good	49.268 \| good	8.079 \| good	1.124 \| good	7.922 \| good	0.183 \| good
2026-09-07T11:00:00.000Z	56 \| moderate	12.068 \| good	54.431 \| good	6.284 \| good	1.092 \| good	7.728 \| good	0.182 \| good
2026-09-07T12:00:00.000Z	56 \| moderate	11.583 \| good	51.047 \| good	10.24 \| good	1.141 \| good	7.602 \| good	0.185 \| good
2026-09-07T13:00:00.000Z	56 \| moderate	11.997 \| good	54.047 \| good	17.279 \| good	1.133 \| good	5.757 \| good	0.189 \| good
2026-09-07T14:00:00.000Z	54 \| moderate	10.802 \| good	47.726 \| good	25.644 \| good	1.376 \| good	4.673 \| good	0.187 \| good
2026-09-07T15:00:00.000Z	49 \| good	9.111 \| good	40.962 \| good	31.833 \| good	1.394 \| good	3.543 \| good	0.183 \| good
2026-09-07T16:00:00.000Z	44 \| good	8.304 \| good	36.55 \| good	36.654 \| good	1.105 \| good	1.964 \| good	0.171 \| good
2026-09-07T17:00:00.000Z	44 \| good	7.914 \| good	34.457 \| good	39.439 \| good	0.85 \| good	0.972 \| good	0.16 \| good
2026-09-07T18:00:00.000Z	44 \| good	8.318 \| good	36.836 \| good	41.156 \| good	0.725 \| good	0.7 \| good	0.156 \| good
2026-09-07T19:00:00.000Z	44 \| good	8.481 \| good	37.037 \| good	42.463 \| good	0.664 \| good	0.618 \| good	0.154 \| good
2026-09-07T20:00:00.000Z	44 \| good	8.495 \| good	37.176 \| good	44.048 \| good	0.644 \| good	0.616 \| good	0.154 \| good
2026-09-07T21:00:00.000Z	52 \| moderate	9.743 \| good	43.479 \| good	38.914 \| good	0.65 \| good	0.686 \| good	0.153 \| good
2026-09-07T22:00:00.000Z	54 \| moderate	10.621 \| good	46.809 \| good	35.488 \| good	0.681 \| good	0.873 \| good	0.154 \| good
2026-09-07T23:00:00.000Z	52 \| moderate	10.213 \| good	45.189 \| good	34.378 \| good	0.689 \| good	1.679 \| good	0.16 \| good
2026-09-08T00:00:00.000Z	52 \| moderate	9.824 \| good	43.469 \| good	31.685 \| good	0.698 \| good	3.197 \| good	0.17 \| good
2026-09-08T01:00:00.000Z	52 \| moderate	9.559 \| good	42.719 \| good	29.217 \| good	0.763 \| good	4.389 \| good	0.178 \| good
2026-09-08T02:00:00.000Z	49 \| good	9.187 \| good	40.455 \| good	25.334 \| good	0.86 \| good	4.982 \| good	0.18 \| good
2026-09-08T03:00:00.000Z	44 \| good	8.15 \| good	35.47 \| good	24.352 \| good	0.993 \| good	5.594 \| good	0.181 \| good
2026-09-08T04:00:00.000Z	44 \| good	7.948 \| good	34.854 \| good	22.26 \| good	1.114 \| good	6.273 \| good	0.182 \| good
2026-09-08T05:00:00.000Z	44 \| good	7.839 \| good	34.565 \| good	20.728 \| good	1.161 \| good	6.896 \| good	0.183 \| good
2026-09-08T06:00:00.000Z	44 \| good	8.063 \| good	35.53 \| good	18.832 \| good	1.136 \| good	7.339 \| good	0.184 \| good
2026-09-08T07:00:00.000Z	44 \| good	8.489 \| good	37.104 \| good	17.594 \| good	1.081 \| good	7.488 \| good	0.184 \| good
2026-09-08T08:00:00.000Z	49 \| good	9.35 \| good	41.682 \| good	16.331 \| good	0.996 \| good	7.354 \| good	0.183 \| good
2026-09-08T09:00:00.000Z	52 \| moderate	9.667 \| good	43.082 \| good	15.409 \| good	0.885 \| good	7.276 \| good	0.184 \| good
2026-09-08T10:00:00.000Z	56 \| moderate	11.539 \| good	51.001 \| good	13.17 \| good	0.776 \| good	7.452 \| good	0.186 \| good
2026-09-08T11:00:00.000Z	56 \| moderate	11.786 \| good	51.955 \| good	13.478 \| good	0.681 \| good	7.881 \| good	0.19 \| good
2026-09-08T12:00:00.000Z	56 \| moderate	12.399 \| fine	56.194 \| fine	12.502 \| good	0.589 \| good	7.975 \| good	0.196 \| good
2026-09-08T13:00:00.000Z	58 \| moderate	13.466 \| fine	61 \| fine	15.42 \| good	0.484 \| good	6.405 \| good	0.205 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	13.819 \| fine	62.58 \| fine	22.837 \| good	0.459 \| good	4.934 \| good	0.207 \| good
2026-09-08T15:00:00.000Z	60 \| moderate	14.254 \| fine	63.771 \| fine	33.379 \| good	0.508 \| good	3.702 \| good	0.204 \| good
2026-09-08T16:00:00.000Z	60 \| moderate	13.785 \| fine	61.842 \| fine	41.521 \| good	0.6 \| good	2.311 \| good	0.197 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	12.441 \| fine	56.028 \| fine	46.882 \| good	0.677 \| good	1.222 \| good	0.187 \| good
2026-09-08T18:00:00.000Z	56 \| moderate	11.794 \| good	52.061 \| good	50.212 \| good	0.687 \| good	0.842 \| good	0.18 \| good
2026-09-08T19:00:00.000Z	56 \| moderate	12.376 \| fine	56.028 \| fine	50.198 \| good	0.657 \| good	0.753 \| good	0.177 \| good
2026-09-08T20:00:00.000Z	56 \| moderate	12.196 \| fine	54.859 \| good	48.324 \| good	0.628 \| good	0.764 \| good	0.175 \| good
2026-09-08T21:00:00.000Z	56 \| moderate	12.002 \| good	53.293 \| good	45.761 \| good	0.609 \| good	0.838 \| good	0.175 \| good
2026-09-08T22:00:00.000Z	58 \| moderate	12.837 \| fine	57.522 \| fine	42.724 \| good	0.594 \| good	1.073 \| good	0.176 \| good
2026-09-08T23:00:00.000Z	58 \| moderate	13.292 \| fine	60.194 \| fine	37.84 \| good	0.543 \| good	2.308 \| good	0.187 \| good
2026-09-09T00:00:00.000Z	60 \| moderate	13.582 \| fine	61.065 \| fine	37.538 \| good	0.527 \| good	4.102 \| good	0.199 \| good
2026-09-09T01:00:00.000Z	58 \| moderate	12.909 \| fine	58.157 \| fine	35.795 \| good	0.554 \| good	5.168 \| good	0.205 \| good
2026-09-09T02:00:00.000Z	56 \| moderate	12.239 \| fine	54.786 \| good	33.036 \| good	0.569 \| good	5.626 \| good	0.207 \| good
2026-09-09T03:00:00.000Z	54 \| moderate	11.055 \| good	48.56 \| good	33.846 \| good	0.582 \| good	5.962 \| good	0.207 \| good
2026-09-09T04:00:00.000Z	52 \| moderate	9.911 \| good	44.039 \| good	34.322 \| good	0.607 \| good	6.109 \| good	0.208 \| good
2026-09-09T05:00:00.000Z	49 \| good	9.346 \| good	41.919 \| good	33.569 \| good	0.643 \| good	5.946 \| good	0.206 \| good
2026-09-09T06:00:00.000Z	49 \| good	9.224 \| good	41.337 \| good	31.156 \| good	0.688 \| good	5.497 \| good	0.204 \| good
2026-09-09T07:00:00.000Z	54 \| moderate	10.68 \| good	47.365 \| good	27.318 \| good	0.737 \| good	5.025 \| good	0.201 \| good
2026-09-09T08:00:00.000Z	60 \| moderate	13.542 \| fine	60.813 \| fine	26.098 \| good	0.789 \| good	4.599 \| good	0.2 \| good
2026-09-09T09:00:00.000Z	54 \| moderate	10.773 \| good	47.883 \| good	24.016 \| good	0.839 \| good	4.15 \| good	0.199 \| good
2026-09-09T10:00:00.000Z	56 \| moderate	12.438 \| fine	56.028 \| fine	22.986 \| good	0.845 \| good	3.714 \| good	0.199 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	10.804 \| good	47.682 \| good	20.685 \| good	0.828 \| good	3.646 \| good	0.201 \| good

Ottawa

Get reliable air quality data to drive your business

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

0.21ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 06:00:00 on 2026-09-06.

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 2026-09-06.

What is the AQI in Ottawa, Illinois right now?

As of now, the AQI in Ottawa, Illinois is 56, indicating Moderate conditions.

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

Ottawa, Illinois air has the highest levels of PM2.5.

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 12.068 μg/m³.

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

The PM₁₀ concentration in Ottawa, Illinois is 54.431 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 0.182 ppm.

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

Currently, Ottawa, Illinois has a sulfur dioxide (SO₂) concentration of 1.092 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 6.284 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 7.728 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	33 \| good	5.595 \| good	24.713 \| good	22.767 \| good	0.449 \| good	11.398 \| good	0.224 \| good
2026-09-05T13:00:00.000Z	33 \| good	5.645 \| good	24.048 \| good	25.234 \| good	0.432 \| good	7.096 \| good	0.21 \| good
2026-09-05T14:00:00.000Z	33 \| good	6.242 \| good	27.658 \| good	30.385 \| good	0.463 \| good	4.839 \| good	0.202 \| good
2026-09-05T15:00:00.000Z	49 \| good	8.998 \| good	40.068 \| good	33.991 \| good	0.437 \| good	2.728 \| good	0.185 \| good
2026-09-05T16:00:00.000Z	54 \| moderate	10.619 \| good	46.781 \| good	40.276 \| good	0.407 \| good	1.526 \| good	0.173 \| good
2026-09-05T17:00:00.000Z	52 \| moderate	10.219 \| good	45.342 \| good	45.335 \| good	0.411 \| good	1.068 \| good	0.168 \| good
2026-09-05T18:00:00.000Z	52 \| moderate	10.211 \| good	45.351 \| good	49.54 \| good	0.414 \| good	0.889 \| good	0.166 \| good
2026-09-05T19:00:00.000Z	54 \| moderate	10.744 \| good	47.675 \| good	51.055 \| good	0.406 \| good	0.803 \| good	0.164 \| good
2026-09-05T20:00:00.000Z	56 \| moderate	12.39 \| fine	56.561 \| fine	49.828 \| good	0.415 \| good	0.802 \| good	0.165 \| good
2026-09-05T21:00:00.000Z	58 \| moderate	12.643 \| fine	56.886 \| fine	53.097 \| good	0.457 \| good	0.887 \| good	0.167 \| good
2026-09-05T22:00:00.000Z	56 \| moderate	11.816 \| good	52.743 \| good	49.062 \| good	0.506 \| good	1.05 \| good	0.167 \| good
2026-09-05T23:00:00.000Z	56 \| moderate	11.592 \| good	51 \| good	43.248 \| good	0.568 \| good	1.471 \| good	0.168 \| good
2026-09-06T00:00:00.000Z	54 \| moderate	11.059 \| good	48.829 \| good	36.046 \| good	0.62 \| good	2.345 \| good	0.167 \| good
2026-09-06T01:00:00.000Z	54 \| moderate	11.117 \| good	49.505 \| good	34.513 \| good	0.728 \| good	3.162 \| good	0.169 \| good
2026-09-06T02:00:00.000Z	52 \| moderate	10.107 \| good	44.676 \| good	30.295 \| good	0.814 \| good	3.779 \| good	0.171 \| good
2026-09-06T03:00:00.000Z	52 \| moderate	9.976 \| good	44.4 \| good	27.249 \| good	0.853 \| good	4.223 \| good	0.171 \| good
2026-09-06T04:00:00.000Z	49 \| good	9.47 \| good	42.4 \| good	24.64 \| good	0.838 \| good	4.692 \| good	0.171 \| good
2026-09-06T05:00:00.000Z	52 \| moderate	9.75 \| good	43.4 \| good	22.038 \| good	0.798 \| good	5.15 \| good	0.171 \| good
2026-09-06T06:00:00.000Z	52 \| moderate	9.726 \| good	43.4 \| good	18.379 \| good	0.755 \| good	5.579 \| good	0.171 \| good
2026-09-06T07:00:00.000Z	52 \| moderate	10.225 \| good	45.18 \| good	16.536 \| good	0.722 \| good	5.931 \| good	0.172 \| good
2026-09-06T08:00:00.000Z	54 \| moderate	11 \| good	48.351 \| good	15.114 \| good	0.706 \| good	6.172 \| good	0.172 \| good
2026-09-06T09:00:00.000Z	56 \| moderate	11.608 \| good	51.18 \| good	13.499 \| good	0.718 \| good	6.293 \| good	0.173 \| good
2026-09-06T10:00:00.000Z	56 \| moderate	12.461 \| fine	56.658 \| fine	11.199 \| good	0.768 \| good	6.385 \| good	0.175 \| good
2026-09-06T11:00:00.000Z	58 \| moderate	12.716 \| fine	57 \| fine	10.949 \| good	0.872 \| good	6.518 \| good	0.178 \| good
2026-09-06T12:00:00.000Z	49 \| good	8.536 \| good	37.58 \| good	13.962 \| good	0.869 \| good	6.204 \| good	0.172 \| good
2026-09-06T13:00:00.000Z	54 \| moderate	10.887 \| good	48.523 \| good	17.599 \| good	1.011 \| good	5.068 \| good	0.177 \| good
2026-09-06T14:00:00.000Z	56 \| moderate	12.018 \| good	54.058 \| good	24.329 \| good	1.474 \| good	3.749 \| good	0.176 \| good
2026-09-06T15:00:00.000Z	58 \| moderate	13.241 \| fine	59 \| fine	32.553 \| good	1.675 \| good	2.778 \| good	0.173 \| good
2026-09-06T16:00:00.000Z	60 \| moderate	14.407 \| fine	63.859 \| fine	38.729 \| good	1.604 \| good	1.859 \| good	0.167 \| good
2026-09-06T17:00:00.000Z	64 \| moderate	15.92 \| fine	70.945 \| fine	45.182 \| good	1.31 \| good	1.12 \| good	0.158 \| good
2026-09-06T18:00:00.000Z	66 \| moderate	17.1 \| fine	76.087 \| fine	51.452 \| good	1.122 \| good	0.816 \| good	0.152 \| good
2026-09-06T19:00:00.000Z	64 \| moderate	16.481 \| fine	73.097 \| fine	53.944 \| good	1 \| good	0.705 \| good	0.149 \| good
2026-09-06T20:00:00.000Z	62 \| moderate	14.736 \| fine	66.238 \| fine	53.532 \| good	0.908 \| good	0.687 \| good	0.148 \| good
2026-09-06T21:00:00.000Z	58 \| moderate	12.928 \| fine	58.238 \| fine	50.575 \| good	0.825 \| good	0.729 \| good	0.146 \| good
2026-09-06T22:00:00.000Z	58 \| moderate	12.682 \| fine	57.324 \| fine	44.443 \| good	0.749 \| good	0.885 \| good	0.146 \| good
2026-09-06T23:00:00.000Z	58 \| moderate	12.599 \| fine	57 \| fine	39.98 \| good	0.69 \| good	1.386 \| good	0.148 \| good
2026-09-07T00:00:00.000Z	56 \| moderate	11.631 \| good	51.277 \| good	36.223 \| good	0.72 \| good	2.459 \| good	0.154 \| good
2026-09-07T01:00:00.000Z	58 \| moderate	12.94 \| fine	58.201 \| fine	34.17 \| good	0.758 \| good	3.577 \| good	0.159 \| good
2026-09-07T02:00:00.000Z	58 \| moderate	13.421 \| fine	60.298 \| fine	23.965 \| good	0.82 \| good	4.484 \| good	0.164 \| good
2026-09-07T03:00:00.000Z	58 \| moderate	12.867 \| fine	57.553 \| fine	17.248 \| good	0.891 \| good	5.438 \| good	0.169 \| good
2026-09-07T04:00:00.000Z	56 \| moderate	12.286 \| fine	55.439 \| fine	13.804 \| good	0.942 \| good	6.439 \| good	0.175 \| good
2026-09-07T05:00:00.000Z	56 \| moderate	12.386 \| fine	56.298 \| fine	12.891 \| good	0.972 \| good	7.222 \| good	0.181 \| good
2026-09-07T06:00:00.000Z	58 \| moderate	12.559 \| fine	57 \| fine	11.438 \| good	0.99 \| good	7.595 \| good	0.183 \| good
2026-09-07T07:00:00.000Z	58 \| moderate	12.672 \| fine	57 \| fine	9.917 \| good	1.006 \| good	7.691 \| good	0.184 \| good
2026-09-07T08:00:00.000Z	56 \| moderate	12.493 \| fine	57 \| fine	8.297 \| good	1.025 \| good	7.708 \| good	0.183 \| good
2026-09-07T09:00:00.000Z	56 \| moderate	11.986 \| good	54.219 \| good	8.289 \| good	1.056 \| good	7.682 \| good	0.182 \| good
2026-09-07T10:00:00.000Z	56 \| moderate	12.068 \| good	54.431 \| good	6.284 \| good	1.092 \| good	7.728 \| good	0.182 \| good
2026-09-07T11:00:00.000Z	54 \| moderate	11.136 \| good	49.268 \| good	8.079 \| good	1.124 \| good	7.922 \| good	0.183 \| good
2026-09-07T11:00:00.000Z	56 \| moderate	12.068 \| good	54.431 \| good	6.284 \| good	1.092 \| good	7.728 \| good	0.182 \| good
2026-09-07T12:00:00.000Z	56 \| moderate	11.583 \| good	51.047 \| good	10.24 \| good	1.141 \| good	7.602 \| good	0.185 \| good
2026-09-07T13:00:00.000Z	56 \| moderate	11.997 \| good	54.047 \| good	17.279 \| good	1.133 \| good	5.757 \| good	0.189 \| good
2026-09-07T14:00:00.000Z	54 \| moderate	10.802 \| good	47.726 \| good	25.644 \| good	1.376 \| good	4.673 \| good	0.187 \| good
2026-09-07T15:00:00.000Z	49 \| good	9.111 \| good	40.962 \| good	31.833 \| good	1.394 \| good	3.543 \| good	0.183 \| good
2026-09-07T16:00:00.000Z	44 \| good	8.304 \| good	36.55 \| good	36.654 \| good	1.105 \| good	1.964 \| good	0.171 \| good
2026-09-07T17:00:00.000Z	44 \| good	7.914 \| good	34.457 \| good	39.439 \| good	0.85 \| good	0.972 \| good	0.16 \| good
2026-09-07T18:00:00.000Z	44 \| good	8.318 \| good	36.836 \| good	41.156 \| good	0.725 \| good	0.7 \| good	0.156 \| good
2026-09-07T19:00:00.000Z	44 \| good	8.481 \| good	37.037 \| good	42.463 \| good	0.664 \| good	0.618 \| good	0.154 \| good
2026-09-07T20:00:00.000Z	44 \| good	8.495 \| good	37.176 \| good	44.048 \| good	0.644 \| good	0.616 \| good	0.154 \| good
2026-09-07T21:00:00.000Z	52 \| moderate	9.743 \| good	43.479 \| good	38.914 \| good	0.65 \| good	0.686 \| good	0.153 \| good
2026-09-07T22:00:00.000Z	54 \| moderate	10.621 \| good	46.809 \| good	35.488 \| good	0.681 \| good	0.873 \| good	0.154 \| good
2026-09-07T23:00:00.000Z	52 \| moderate	10.213 \| good	45.189 \| good	34.378 \| good	0.689 \| good	1.679 \| good	0.16 \| good
2026-09-08T00:00:00.000Z	52 \| moderate	9.824 \| good	43.469 \| good	31.685 \| good	0.698 \| good	3.197 \| good	0.17 \| good
2026-09-08T01:00:00.000Z	52 \| moderate	9.559 \| good	42.719 \| good	29.217 \| good	0.763 \| good	4.389 \| good	0.178 \| good
2026-09-08T02:00:00.000Z	49 \| good	9.187 \| good	40.455 \| good	25.334 \| good	0.86 \| good	4.982 \| good	0.18 \| good
2026-09-08T03:00:00.000Z	44 \| good	8.15 \| good	35.47 \| good	24.352 \| good	0.993 \| good	5.594 \| good	0.181 \| good
2026-09-08T04:00:00.000Z	44 \| good	7.948 \| good	34.854 \| good	22.26 \| good	1.114 \| good	6.273 \| good	0.182 \| good
2026-09-08T05:00:00.000Z	44 \| good	7.839 \| good	34.565 \| good	20.728 \| good	1.161 \| good	6.896 \| good	0.183 \| good
2026-09-08T06:00:00.000Z	44 \| good	8.063 \| good	35.53 \| good	18.832 \| good	1.136 \| good	7.339 \| good	0.184 \| good
2026-09-08T07:00:00.000Z	44 \| good	8.489 \| good	37.104 \| good	17.594 \| good	1.081 \| good	7.488 \| good	0.184 \| good
2026-09-08T08:00:00.000Z	49 \| good	9.35 \| good	41.682 \| good	16.331 \| good	0.996 \| good	7.354 \| good	0.183 \| good
2026-09-08T09:00:00.000Z	52 \| moderate	9.667 \| good	43.082 \| good	15.409 \| good	0.885 \| good	7.276 \| good	0.184 \| good
2026-09-08T10:00:00.000Z	56 \| moderate	11.539 \| good	51.001 \| good	13.17 \| good	0.776 \| good	7.452 \| good	0.186 \| good
2026-09-08T11:00:00.000Z	56 \| moderate	11.786 \| good	51.955 \| good	13.478 \| good	0.681 \| good	7.881 \| good	0.19 \| good
2026-09-08T12:00:00.000Z	56 \| moderate	12.399 \| fine	56.194 \| fine	12.502 \| good	0.589 \| good	7.975 \| good	0.196 \| good
2026-09-08T13:00:00.000Z	58 \| moderate	13.466 \| fine	61 \| fine	15.42 \| good	0.484 \| good	6.405 \| good	0.205 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	13.819 \| fine	62.58 \| fine	22.837 \| good	0.459 \| good	4.934 \| good	0.207 \| good
2026-09-08T15:00:00.000Z	60 \| moderate	14.254 \| fine	63.771 \| fine	33.379 \| good	0.508 \| good	3.702 \| good	0.204 \| good
2026-09-08T16:00:00.000Z	60 \| moderate	13.785 \| fine	61.842 \| fine	41.521 \| good	0.6 \| good	2.311 \| good	0.197 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	12.441 \| fine	56.028 \| fine	46.882 \| good	0.677 \| good	1.222 \| good	0.187 \| good
2026-09-08T18:00:00.000Z	56 \| moderate	11.794 \| good	52.061 \| good	50.212 \| good	0.687 \| good	0.842 \| good	0.18 \| good
2026-09-08T19:00:00.000Z	56 \| moderate	12.376 \| fine	56.028 \| fine	50.198 \| good	0.657 \| good	0.753 \| good	0.177 \| good
2026-09-08T20:00:00.000Z	56 \| moderate	12.196 \| fine	54.859 \| good	48.324 \| good	0.628 \| good	0.764 \| good	0.175 \| good
2026-09-08T21:00:00.000Z	56 \| moderate	12.002 \| good	53.293 \| good	45.761 \| good	0.609 \| good	0.838 \| good	0.175 \| good
2026-09-08T22:00:00.000Z	58 \| moderate	12.837 \| fine	57.522 \| fine	42.724 \| good	0.594 \| good	1.073 \| good	0.176 \| good
2026-09-08T23:00:00.000Z	58 \| moderate	13.292 \| fine	60.194 \| fine	37.84 \| good	0.543 \| good	2.308 \| good	0.187 \| good
2026-09-09T00:00:00.000Z	60 \| moderate	13.582 \| fine	61.065 \| fine	37.538 \| good	0.527 \| good	4.102 \| good	0.199 \| good
2026-09-09T01:00:00.000Z	58 \| moderate	12.909 \| fine	58.157 \| fine	35.795 \| good	0.554 \| good	5.168 \| good	0.205 \| good
2026-09-09T02:00:00.000Z	56 \| moderate	12.239 \| fine	54.786 \| good	33.036 \| good	0.569 \| good	5.626 \| good	0.207 \| good
2026-09-09T03:00:00.000Z	54 \| moderate	11.055 \| good	48.56 \| good	33.846 \| good	0.582 \| good	5.962 \| good	0.207 \| good
2026-09-09T04:00:00.000Z	52 \| moderate	9.911 \| good	44.039 \| good	34.322 \| good	0.607 \| good	6.109 \| good	0.208 \| good
2026-09-09T05:00:00.000Z	49 \| good	9.346 \| good	41.919 \| good	33.569 \| good	0.643 \| good	5.946 \| good	0.206 \| good
2026-09-09T06:00:00.000Z	49 \| good	9.224 \| good	41.337 \| good	31.156 \| good	0.688 \| good	5.497 \| good	0.204 \| good
2026-09-09T07:00:00.000Z	54 \| moderate	10.68 \| good	47.365 \| good	27.318 \| good	0.737 \| good	5.025 \| good	0.201 \| good
2026-09-09T08:00:00.000Z	60 \| moderate	13.542 \| fine	60.813 \| fine	26.098 \| good	0.789 \| good	4.599 \| good	0.2 \| good
2026-09-09T09:00:00.000Z	54 \| moderate	10.773 \| good	47.883 \| good	24.016 \| good	0.839 \| good	4.15 \| good	0.199 \| good
2026-09-09T10:00:00.000Z	56 \| moderate	12.438 \| fine	56.028 \| fine	22.986 \| good	0.845 \| good	3.714 \| good	0.199 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	10.804 \| good	47.682 \| good	20.685 \| good	0.828 \| good	3.646 \| good	0.201 \| 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

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Streator, Illinois

Morris, Illinois

Plano, Illinois

Yorkville, Illinois

Minooka, Illinois

Channahon, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the AQI in Ottawa, Illinois right now?

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

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

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?