What is the current concentration of PM10 in Defiance, Ohio?

The current PM10 concentration at Defiance, Ohio is 22.874 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Defiance, Ohio?

The current sulfur dioxide (SO2) concentration at Defiance, Ohio is 0.68 ppb.

What is the current concentration of ozone (O3) in Defiance, Ohio?

The current ozone (O3) concentration at Defiance, Ohio is 7.312 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Defiance, Ohio?

The current nitrogen dioxide (NO2) concentration at Defiance, Ohio is 11.059 ppb.

Defiance, Ohio live air quality index now

Name: Live air pollution levels in Defiance, Ohio today
Creator: Ambee

Stay updated with real-time air quality in Defiance, Ohio 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

Defiance, Ohio

Last updated: ... (Local time)

Major air pollutants in Defiance, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.41 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.87 μg/m³

155

255

425

605+

Ozone (O₃)

7.31 ppb

201

201+

Sulfur Dioxide (SO₂)

0.68 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Defiance, Ohio

Get Live Pollen Counts

Defiance, Ohio

Scroll To Air Quality Map

Track live Defiance, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-06T14:00:00.000Z	19 \| good	3.256 \| good	13.792 \| good	20.348 \| good	0.848 \| good	5.713 \| good	0.177 \| good
2025-09-06T15:00:00.000Z	23 \| good	3.29 \| good	14.385 \| good	25.119 \| good	0.828 \| good	2.832 \| good	0.157 \| good
2025-09-06T16:00:00.000Z	27 \| good	4.691 \| good	21.82 \| good	28.427 \| good	0.697 \| good	2.185 \| good	0.145 \| good
2025-09-06T17:00:00.000Z	29 \| good	5.406 \| good	23.837 \| good	30.937 \| good	0.72 \| good	1.757 \| good	0.138 \| good
2025-09-06T18:00:00.000Z	49 \| good	8.541 \| good	39.306 \| good	31.82 \| good	0.732 \| good	1.585 \| good	0.138 \| good
2025-09-06T19:00:00.000Z	44 \| good	8.37 \| good	40.574 \| good	34.256 \| good	0.708 \| good	1.662 \| good	0.139 \| good
2025-09-06T20:00:00.000Z	52 \| moderate	10.473 \| good	49.384 \| good	35.146 \| good	0.678 \| good	1.472 \| good	0.141 \| good
2025-09-06T21:00:00.000Z	38 \| good	7.322 \| good	33.644 \| good	36.809 \| good	0.654 \| good	1.572 \| good	0.142 \| good
2025-09-06T22:00:00.000Z	38 \| good	6.642 \| good	28.619 \| good	38.167 \| good	0.658 \| good	2.223 \| good	0.146 \| good
2025-09-06T23:00:00.000Z	38 \| good	7.383 \| good	33.033 \| good	36.781 \| good	0.635 \| good	3.006 \| good	0.144 \| good
2025-09-07T00:00:00.000Z	38 \| good	7.166 \| good	32.957 \| good	32.18 \| good	0.628 \| good	3.113 \| good	0.155 \| good
2025-09-07T01:00:00.000Z	33 \| good	6.064 \| good	27.343 \| good	30.122 \| good	0.616 \| good	4.695 \| good	0.18 \| good
2025-09-07T02:00:00.000Z	22 \| good	4.418 \| good	17.874 \| good	24.485 \| good	0.592 \| good	6.103 \| good	0.186 \| good
2025-09-07T03:00:00.000Z	19 \| good	2.778 \| good	11.448 \| good	20.316 \| good	0.408 \| good	5.973 \| good	0.172 \| good
2025-09-07T04:00:00.000Z	22 \| good	3.526 \| good	15.716 \| good	18.845 \| good	0.58 \| good	8.531 \| good	0.215 \| good
2025-09-07T05:00:00.000Z	27 \| good	5.484 \| good	23.536 \| good	15.869 \| good	0.581 \| good	10.618 \| good	0.231 \| good
2025-09-07T06:00:00.000Z	33 \| good	5.614 \| good	21.521 \| good	15.055 \| good	0.587 \| good	12.11 \| good	0.241 \| good
2025-09-07T07:00:00.000Z	33 \| good	6.407 \| good	29.57 \| good	14.019 \| good	0.732 \| good	12.415 \| good	0.247 \| good
2025-09-07T08:00:00.000Z	27 \| good	5.449 \| good	28.096 \| good	12.184 \| good	0.6 \| good	12.322 \| good	0.248 \| good
2025-09-07T09:00:00.000Z	27 \| good	5.136 \| good	22.194 \| good	11.085 \| good	0.745 \| good	12.253 \| good	0.24 \| good
2025-09-07T10:00:00.000Z	27 \| good	5.009 \| good	23.687 \| good	10.755 \| good	0.621 \| good	11.288 \| good	0.229 \| good
2025-09-07T11:00:00.000Z	22 \| good	4.356 \| good	21.025 \| good	10.776 \| good	0.565 \| good	11.893 \| good	0.233 \| good
2025-09-07T12:00:00.000Z	27 \| good	5.477 \| good	22.545 \| good	12.768 \| good	0.702 \| good	10.184 \| good	0.241 \| good
2025-09-07T13:00:00.000Z	27 \| good	5.163 \| good	19.325 \| good	17.254 \| good	0.659 \| good	8.648 \| good	0.21 \| good
2025-09-07T14:00:00.000Z	22 \| good	4.295 \| good	17.173 \| good	20.962 \| good	0.634 \| good	5.51 \| good	0.173 \| good
2025-09-07T15:00:00.000Z	23 \| good	3.726 \| good	17.539 \| good	24.667 \| good	0.518 \| good	2.316 \| good	0.144 \| good
2025-09-07T16:00:00.000Z	26 \| good	4.22 \| good	18.218 \| good	27.955 \| good	0.58 \| good	1.617 \| good	0.152 \| good
2025-09-07T17:00:00.000Z	29 \| good	3.863 \| good	15.679 \| good	30.987 \| good	0.562 \| good	1.473 \| good	0.143 \| good
2025-09-07T18:00:00.000Z	30 \| good	2.579 \| good	10.309 \| good	32.101 \| good	0.415 \| good	1.426 \| good	0.155 \| good
2025-09-07T19:00:00.000Z	31 \| good	1.983 \| good	7.718 \| good	33.29 \| good	0.414 \| good	1.394 \| good	0.156 \| good
2025-09-07T20:00:00.000Z	31 \| good	2.717 \| good	9.602 \| good	33.588 \| good	0.413 \| good	1.372 \| good	0.164 \| good
2025-09-07T21:00:00.000Z	32 \| good	2.738 \| good	13.093 \| good	34.523 \| good	0.413 \| good	1.583 \| good	0.162 \| good
2025-09-07T22:00:00.000Z	31 \| good	2.611 \| good	9.829 \| good	34.13 \| good	0.413 \| good	2.636 \| good	0.167 \| good
2025-09-07T23:00:00.000Z	30 \| good	2.753 \| good	10.602 \| good	32.211 \| good	0.399 \| good	2.458 \| good	0.156 \| good
2025-09-08T00:00:00.000Z	26 \| good	3.246 \| good	13.569 \| good	27.994 \| good	0.41 \| good	3.243 \| good	0.162 \| good
2025-09-08T01:00:00.000Z	25 \| good	2.884 \| good	11.784 \| good	26.842 \| good	0.559 \| good	3.681 \| good	0.186 \| good
2025-09-08T02:00:00.000Z	21 \| good	3.126 \| good	12.598 \| good	22.557 \| good	0.569 \| good	3.936 \| good	0.205 \| good
2025-09-08T03:00:00.000Z	22 \| good	3.99 \| good	17.727 \| good	20.207 \| good	0.589 \| good	3.785 \| good	0.22 \| good
2025-09-08T04:00:00.000Z	27 \| good	4.905 \| good	20.618 \| good	17.975 \| good	0.597 \| good	3.838 \| good	0.22 \| good
2025-09-08T05:00:00.000Z	27 \| good	5.315 \| good	22.948 \| good	15.264 \| good	0.471 \| good	4.758 \| good	0.226 \| good
2025-09-08T06:00:00.000Z	27 \| good	5.287 \| good	23.356 \| good	13.726 \| good	0.486 \| good	5.322 \| good	0.223 \| good
2025-09-08T07:00:00.000Z	27 \| good	4.868 \| good	21.741 \| good	13.002 \| good	0.64 \| good	5.697 \| good	0.208 \| good
2025-09-08T08:00:00.000Z	22 \| good	4.487 \| good	22.057 \| good	11.084 \| good	0.528 \| good	7.904 \| good	0.198 \| good
2025-09-08T09:00:00.000Z	22 \| good	4.368 \| good	18.991 \| good	8.609 \| good	0.544 \| good	9.235 \| good	0.195 \| good
2025-09-08T10:00:00.000Z	27 \| good	4.713 \| good	22.77 \| good	6.47 \| good	0.559 \| good	10.818 \| good	0.229 \| good
2025-09-08T11:00:00.000Z	33 \| good	5.58 \| good	24.49 \| good	5.447 \| good	0.533 \| good	11.082 \| good	0.199 \| good
2025-09-08T12:00:00.000Z	27 \| good	5.41 \| good	22.874 \| good	7.312 \| good	0.68 \| good	11.059 \| good	0.221 \| good
2025-09-08T13:00:00.000Z	27 \| good	5.41 \| good	22.874 \| good	7.312 \| good	0.68 \| good	11.059 \| good	0.221 \| good
2025-09-08T14:00:00.000Z	38 \| good	7.172 \| good	31.659 \| good	21.611 \| good	0.438 \| good	4.211 \| good	0.197 \| good
2025-09-08T15:00:00.000Z	44 \| good	7.739 \| good	33.956 \| good	29.525 \| good	0.476 \| good	2.276 \| good	0.182 \| good
2025-09-08T16:00:00.000Z	44 \| good	8.477 \| good	37.254 \| good	35.598 \| good	0.393 \| good	1.714 \| good	0.175 \| good
2025-09-08T17:00:00.000Z	44 \| good	8.478 \| good	37.283 \| good	37.784 \| good	0.31 \| good	1.152 \| good	0.168 \| good
2025-09-08T18:00:00.000Z	44 \| good	8.115 \| good	35.53 \| good	40.316 \| good	0.227 \| good	0.589 \| good	0.161 \| good
2025-09-08T19:00:00.000Z	38 \| good	6.871 \| good	30.512 \| good	41.213 \| good	0.219 \| good	0.604 \| good	0.161 \| good
2025-09-08T20:00:00.000Z	40 \| good	6.187 \| good	27.325 \| good	43.433 \| good	0.211 \| good	0.619 \| good	0.16 \| good
2025-09-08T21:00:00.000Z	40 \| good	5.296 \| good	23.015 \| good	43.038 \| good	0.204 \| good	0.634 \| good	0.16 \| good
2025-09-08T22:00:00.000Z	41 \| good	5.22 \| good	22.53 \| good	44.198 \| good	0.218 \| good	2.274 \| good	0.173 \| good
2025-09-08T23:00:00.000Z	38 \| good	7.039 \| good	31.118 \| good	38.944 \| good	0.232 \| good	3.914 \| good	0.186 \| good
2025-09-09T00:00:00.000Z	49 \| good	8.887 \| good	39.605 \| good	30.037 \| good	0.246 \| good	5.554 \| good	0.199 \| good
2025-09-09T01:00:00.000Z	49 \| good	9.462 \| good	42.423 \| good	25.82 \| good	0.307 \| good	8.835 \| good	0.225 \| good
2025-09-09T02:00:00.000Z	38 \| good	7.449 \| good	32.879 \| good	25.793 \| good	0.368 \| good	12.115 \| good	0.252 \| good
2025-09-09T03:00:00.000Z	38 \| good	7.069 \| good	31.142 \| good	22.918 \| good	0.429 \| good	15.396 \| good	0.279 \| good
2025-09-09T04:00:00.000Z	38 \| good	7.04 \| good	31.033 \| good	20.811 \| good	0.458 \| good	17.584 \| good	0.294 \| good
2025-09-09T05:00:00.000Z	44 \| good	7.926 \| good	34.534 \| good	18.294 \| good	0.487 \| good	19.772 \| good	0.309 \| good
2025-09-09T06:00:00.000Z	52 \| moderate	9.739 \| good	43.397 \| good	14.99 \| good	0.516 \| good	21.96 \| good	0.324 \| good
2025-09-09T07:00:00.000Z	54 \| moderate	10.99 \| good	48.543 \| good	12.537 \| good	0.529 \| good	21.111 \| good	0.316 \| good
2025-09-09T08:00:00.000Z	58 \| moderate	13.012 \| fine	58.737 \| fine	10.757 \| good	0.543 \| good	20.262 \| good	0.307 \| good
2025-09-09T09:00:00.000Z	60 \| moderate	13.848 \| fine	61.999 \| fine	9.249 \| good	0.556 \| good	19.413 \| good	0.299 \| good
2025-09-09T10:00:00.000Z	60 \| moderate	14.035 \| fine	63.142 \| fine	11.099 \| good	0.565 \| good	18.02 \| good	0.294 \| good
2025-09-09T11:00:00.000Z	60 \| moderate	14.342 \| fine	64.219 \| fine	10.082 \| good	0.574 \| good	16.627 \| good	0.289 \| good
2025-09-09T12:00:00.000Z	62 \| moderate	15.178 \| fine	67.904 \| fine	12.78 \| good	0.583 \| good	15.234 \| good	0.285 \| good
2025-09-09T13:00:00.000Z	56 \| moderate	11.541 \| good	51.108 \| good	21.591 \| good	1.263 \| good	11.558 \| good	0.258 \| good
2025-09-09T14:00:00.000Z	49 \| good	9.087 \| good	40.933 \| good	31.66 \| good	1.943 \| good	7.882 \| good	0.231 \| good
2025-09-09T15:00:00.000Z	49 \| good	9.038 \| good	40.5 \| good	40.924 \| good	2.624 \| good	4.206 \| good	0.204 \| good
2025-09-09T16:00:00.000Z	49 \| good	9.212 \| good	41.076 \| good	47.369 \| good	3.245 \| good	3.054 \| good	0.191 \| good
2025-09-09T17:00:00.000Z	52 \| moderate	9.962 \| good	44.333 \| good	49.556 \| good	3.867 \| good	1.902 \| good	0.177 \| good
2025-09-09T18:00:00.000Z	46 \| good	8.498 \| good	37.459 \| good	49.901 \| good	4.489 \| good	0.75 \| good	0.164 \| good
2025-09-09T19:00:00.000Z	46 \| good	6.312 \| good	28.013 \| good	50.377 \| good	4.263 \| good	0.776 \| good	0.163 \| good
2025-09-09T20:00:00.000Z	47 \| good	5.118 \| good	22.018 \| good	51.066 \| good	4.038 \| good	0.801 \| good	0.162 \| good
2025-09-09T21:00:00.000Z	49 \| good	4.325 \| good	19 \| good	52.808 \| good	3.812 \| good	0.827 \| good	0.16 \| good
2025-09-09T22:00:00.000Z	49 \| good	4.077 \| good	17.847 \| good	52.855 \| good	3.435 \| good	2.135 \| good	0.169 \| good
2025-09-09T23:00:00.000Z	44 \| good	5.389 \| good	23.258 \| good	47.26 \| good	3.058 \| good	3.442 \| good	0.178 \| good
2025-09-10T00:00:00.000Z	38 \| good	6.936 \| good	30.897 \| good	37.1 \| good	2.681 \| good	4.75 \| good	0.187 \| good
2025-09-10T01:00:00.000Z	49 \| good	9.019 \| good	39.967 \| good	30.374 \| good	2.43 \| good	6.127 \| good	0.197 \| good
2025-09-10T02:00:00.000Z	54 \| moderate	10.708 \| good	47.356 \| good	27.535 \| good	2.179 \| good	7.504 \| good	0.207 \| good
2025-09-10T03:00:00.000Z	56 \| moderate	12.337 \| fine	55.233 \| fine	24.157 \| good	1.928 \| good	8.881 \| good	0.217 \| good
2025-09-10T04:00:00.000Z	58 \| moderate	12.898 \| fine	57.892 \| fine	19.922 \| good	1.867 \| good	11.185 \| good	0.232 \| good
2025-09-10T05:00:00.000Z	58 \| moderate	13.092 \| fine	59.093 \| fine	16.986 \| good	1.805 \| good	13.489 \| good	0.247 \| good
2025-09-10T06:00:00.000Z	62 \| moderate	15.294 \| fine	15.558 \| good	23.865 \| good	1.737 \| good	15.824 \| good	0.262 \| good
2025-09-10T07:00:00.000Z	58 \| moderate	12.589 \| fine	56.697 \| fine	14.126 \| good	1.689 \| good	17.643 \| good	0.272 \| good
2025-09-10T08:00:00.000Z	56 \| moderate	12.191 \| fine	54.755 \| good	11.642 \| good	1.633 \| good	19.493 \| good	0.282 \| good
2025-09-10T09:00:00.000Z	58 \| moderate	12.732 \| fine	57.319 \| fine	9.505 \| good	1.578 \| good	21.342 \| good	0.293 \| good
2025-09-10T10:00:00.000Z	58 \| moderate	13.371 \| fine	60.077 \| fine	8.81 \| good	1.531 \| good	21.063 \| good	0.302 \| good
2025-09-10T11:00:00.000Z	62 \| moderate	14.835 \| fine	66.21 \| fine	8.536 \| good	1.485 \| good	20.784 \| good	0.31 \| good
2025-09-10T12:00:00.000Z	75 \| moderate	22.093 \| fine	22.354 \| good	11.527 \| good	1.423 \| good	20.628 \| good	0.321 \| good
2025-09-10T13:00:00.000Z	69 \| moderate	19.463 \| fine	19.65 \| good	24.726 \| good	1.645 \| good	15.459 \| good	0.284 \| good

Defiance

Get reliable air quality data to drive your business

Defiance, Ohio air quality map: Track AQI near you

0.31ppm

How accurate is Ohio, USA air quality data?

Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Defiance, Ohio updated?

The air quality for Defiance, Ohio is updated every hour.

When was the worst air quality at Defiance, Ohio in the last 24 hrs?

The worst air quality in Defiance, Ohio in the last 24 hours was observed at 11:00:00 on 2025-09-08.

When was the best air quality at Defiance, Ohio in the last 24 hrs?

In the last 24 hrs, the best air quality in Defiance, Ohio was observed at 02:00:00 on 2025-09-08.

What is the current air quality in Defiance, Ohio?

The current air quality in Defiance, Ohio is 27, categorized as Good based on real-time data.

What pollutant is the most common in Defiance, Ohio?

The most common pollutant in Defiance, Ohio is PM2.5.

What should I do if the air quality in Defiance, Ohio is poor?

If the air quality in Defiance, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Defiance, Ohio?

The current PM_2.5 concentration at Defiance, Ohio is 5.41 μg/m³.

What is the current concentration of PM₁₀ in Defiance, Ohio?

The current PM₁₀ concentration at Defiance, Ohio is 22.874 μg/m³.

What is the current concentration of carbon monoxide (CO) in Defiance, Ohio?

The current carbon monoxide (CO) concentration at Defiance, Ohio is 0.221 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Defiance, Ohio?

The current sulfur dioxide (SO₂) concentration at Defiance, Ohio is 0.68 ppb.

What is the current concentration of ozone (O₃) in Defiance, Ohio?

The current ozone (O₃) concentration at Defiance, Ohio is 7.312 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Defiance, Ohio?

The current nitrogen dioxide (NO₂) concentration at Defiance, Ohio is 11.059 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-06T14:00:00.000Z	19 \| good	3.256 \| good	13.792 \| good	20.348 \| good	0.848 \| good	5.713 \| good	0.177 \| good
2025-09-06T15:00:00.000Z	23 \| good	3.29 \| good	14.385 \| good	25.119 \| good	0.828 \| good	2.832 \| good	0.157 \| good
2025-09-06T16:00:00.000Z	27 \| good	4.691 \| good	21.82 \| good	28.427 \| good	0.697 \| good	2.185 \| good	0.145 \| good
2025-09-06T17:00:00.000Z	29 \| good	5.406 \| good	23.837 \| good	30.937 \| good	0.72 \| good	1.757 \| good	0.138 \| good
2025-09-06T18:00:00.000Z	49 \| good	8.541 \| good	39.306 \| good	31.82 \| good	0.732 \| good	1.585 \| good	0.138 \| good
2025-09-06T19:00:00.000Z	44 \| good	8.37 \| good	40.574 \| good	34.256 \| good	0.708 \| good	1.662 \| good	0.139 \| good
2025-09-06T20:00:00.000Z	52 \| moderate	10.473 \| good	49.384 \| good	35.146 \| good	0.678 \| good	1.472 \| good	0.141 \| good
2025-09-06T21:00:00.000Z	38 \| good	7.322 \| good	33.644 \| good	36.809 \| good	0.654 \| good	1.572 \| good	0.142 \| good
2025-09-06T22:00:00.000Z	38 \| good	6.642 \| good	28.619 \| good	38.167 \| good	0.658 \| good	2.223 \| good	0.146 \| good
2025-09-06T23:00:00.000Z	38 \| good	7.383 \| good	33.033 \| good	36.781 \| good	0.635 \| good	3.006 \| good	0.144 \| good
2025-09-07T00:00:00.000Z	38 \| good	7.166 \| good	32.957 \| good	32.18 \| good	0.628 \| good	3.113 \| good	0.155 \| good
2025-09-07T01:00:00.000Z	33 \| good	6.064 \| good	27.343 \| good	30.122 \| good	0.616 \| good	4.695 \| good	0.18 \| good
2025-09-07T02:00:00.000Z	22 \| good	4.418 \| good	17.874 \| good	24.485 \| good	0.592 \| good	6.103 \| good	0.186 \| good
2025-09-07T03:00:00.000Z	19 \| good	2.778 \| good	11.448 \| good	20.316 \| good	0.408 \| good	5.973 \| good	0.172 \| good
2025-09-07T04:00:00.000Z	22 \| good	3.526 \| good	15.716 \| good	18.845 \| good	0.58 \| good	8.531 \| good	0.215 \| good
2025-09-07T05:00:00.000Z	27 \| good	5.484 \| good	23.536 \| good	15.869 \| good	0.581 \| good	10.618 \| good	0.231 \| good
2025-09-07T06:00:00.000Z	33 \| good	5.614 \| good	21.521 \| good	15.055 \| good	0.587 \| good	12.11 \| good	0.241 \| good
2025-09-07T07:00:00.000Z	33 \| good	6.407 \| good	29.57 \| good	14.019 \| good	0.732 \| good	12.415 \| good	0.247 \| good
2025-09-07T08:00:00.000Z	27 \| good	5.449 \| good	28.096 \| good	12.184 \| good	0.6 \| good	12.322 \| good	0.248 \| good
2025-09-07T09:00:00.000Z	27 \| good	5.136 \| good	22.194 \| good	11.085 \| good	0.745 \| good	12.253 \| good	0.24 \| good
2025-09-07T10:00:00.000Z	27 \| good	5.009 \| good	23.687 \| good	10.755 \| good	0.621 \| good	11.288 \| good	0.229 \| good
2025-09-07T11:00:00.000Z	22 \| good	4.356 \| good	21.025 \| good	10.776 \| good	0.565 \| good	11.893 \| good	0.233 \| good
2025-09-07T12:00:00.000Z	27 \| good	5.477 \| good	22.545 \| good	12.768 \| good	0.702 \| good	10.184 \| good	0.241 \| good
2025-09-07T13:00:00.000Z	27 \| good	5.163 \| good	19.325 \| good	17.254 \| good	0.659 \| good	8.648 \| good	0.21 \| good
2025-09-07T14:00:00.000Z	22 \| good	4.295 \| good	17.173 \| good	20.962 \| good	0.634 \| good	5.51 \| good	0.173 \| good
2025-09-07T15:00:00.000Z	23 \| good	3.726 \| good	17.539 \| good	24.667 \| good	0.518 \| good	2.316 \| good	0.144 \| good
2025-09-07T16:00:00.000Z	26 \| good	4.22 \| good	18.218 \| good	27.955 \| good	0.58 \| good	1.617 \| good	0.152 \| good
2025-09-07T17:00:00.000Z	29 \| good	3.863 \| good	15.679 \| good	30.987 \| good	0.562 \| good	1.473 \| good	0.143 \| good
2025-09-07T18:00:00.000Z	30 \| good	2.579 \| good	10.309 \| good	32.101 \| good	0.415 \| good	1.426 \| good	0.155 \| good
2025-09-07T19:00:00.000Z	31 \| good	1.983 \| good	7.718 \| good	33.29 \| good	0.414 \| good	1.394 \| good	0.156 \| good
2025-09-07T20:00:00.000Z	31 \| good	2.717 \| good	9.602 \| good	33.588 \| good	0.413 \| good	1.372 \| good	0.164 \| good
2025-09-07T21:00:00.000Z	32 \| good	2.738 \| good	13.093 \| good	34.523 \| good	0.413 \| good	1.583 \| good	0.162 \| good
2025-09-07T22:00:00.000Z	31 \| good	2.611 \| good	9.829 \| good	34.13 \| good	0.413 \| good	2.636 \| good	0.167 \| good
2025-09-07T23:00:00.000Z	30 \| good	2.753 \| good	10.602 \| good	32.211 \| good	0.399 \| good	2.458 \| good	0.156 \| good
2025-09-08T00:00:00.000Z	26 \| good	3.246 \| good	13.569 \| good	27.994 \| good	0.41 \| good	3.243 \| good	0.162 \| good
2025-09-08T01:00:00.000Z	25 \| good	2.884 \| good	11.784 \| good	26.842 \| good	0.559 \| good	3.681 \| good	0.186 \| good
2025-09-08T02:00:00.000Z	21 \| good	3.126 \| good	12.598 \| good	22.557 \| good	0.569 \| good	3.936 \| good	0.205 \| good
2025-09-08T03:00:00.000Z	22 \| good	3.99 \| good	17.727 \| good	20.207 \| good	0.589 \| good	3.785 \| good	0.22 \| good
2025-09-08T04:00:00.000Z	27 \| good	4.905 \| good	20.618 \| good	17.975 \| good	0.597 \| good	3.838 \| good	0.22 \| good
2025-09-08T05:00:00.000Z	27 \| good	5.315 \| good	22.948 \| good	15.264 \| good	0.471 \| good	4.758 \| good	0.226 \| good
2025-09-08T06:00:00.000Z	27 \| good	5.287 \| good	23.356 \| good	13.726 \| good	0.486 \| good	5.322 \| good	0.223 \| good
2025-09-08T07:00:00.000Z	27 \| good	4.868 \| good	21.741 \| good	13.002 \| good	0.64 \| good	5.697 \| good	0.208 \| good
2025-09-08T08:00:00.000Z	22 \| good	4.487 \| good	22.057 \| good	11.084 \| good	0.528 \| good	7.904 \| good	0.198 \| good
2025-09-08T09:00:00.000Z	22 \| good	4.368 \| good	18.991 \| good	8.609 \| good	0.544 \| good	9.235 \| good	0.195 \| good
2025-09-08T10:00:00.000Z	27 \| good	4.713 \| good	22.77 \| good	6.47 \| good	0.559 \| good	10.818 \| good	0.229 \| good
2025-09-08T11:00:00.000Z	33 \| good	5.58 \| good	24.49 \| good	5.447 \| good	0.533 \| good	11.082 \| good	0.199 \| good
2025-09-08T12:00:00.000Z	27 \| good	5.41 \| good	22.874 \| good	7.312 \| good	0.68 \| good	11.059 \| good	0.221 \| good
2025-09-08T13:00:00.000Z	27 \| good	5.41 \| good	22.874 \| good	7.312 \| good	0.68 \| good	11.059 \| good	0.221 \| good
2025-09-08T14:00:00.000Z	38 \| good	7.172 \| good	31.659 \| good	21.611 \| good	0.438 \| good	4.211 \| good	0.197 \| good
2025-09-08T15:00:00.000Z	44 \| good	7.739 \| good	33.956 \| good	29.525 \| good	0.476 \| good	2.276 \| good	0.182 \| good
2025-09-08T16:00:00.000Z	44 \| good	8.477 \| good	37.254 \| good	35.598 \| good	0.393 \| good	1.714 \| good	0.175 \| good
2025-09-08T17:00:00.000Z	44 \| good	8.478 \| good	37.283 \| good	37.784 \| good	0.31 \| good	1.152 \| good	0.168 \| good
2025-09-08T18:00:00.000Z	44 \| good	8.115 \| good	35.53 \| good	40.316 \| good	0.227 \| good	0.589 \| good	0.161 \| good
2025-09-08T19:00:00.000Z	38 \| good	6.871 \| good	30.512 \| good	41.213 \| good	0.219 \| good	0.604 \| good	0.161 \| good
2025-09-08T20:00:00.000Z	40 \| good	6.187 \| good	27.325 \| good	43.433 \| good	0.211 \| good	0.619 \| good	0.16 \| good
2025-09-08T21:00:00.000Z	40 \| good	5.296 \| good	23.015 \| good	43.038 \| good	0.204 \| good	0.634 \| good	0.16 \| good
2025-09-08T22:00:00.000Z	41 \| good	5.22 \| good	22.53 \| good	44.198 \| good	0.218 \| good	2.274 \| good	0.173 \| good
2025-09-08T23:00:00.000Z	38 \| good	7.039 \| good	31.118 \| good	38.944 \| good	0.232 \| good	3.914 \| good	0.186 \| good
2025-09-09T00:00:00.000Z	49 \| good	8.887 \| good	39.605 \| good	30.037 \| good	0.246 \| good	5.554 \| good	0.199 \| good
2025-09-09T01:00:00.000Z	49 \| good	9.462 \| good	42.423 \| good	25.82 \| good	0.307 \| good	8.835 \| good	0.225 \| good
2025-09-09T02:00:00.000Z	38 \| good	7.449 \| good	32.879 \| good	25.793 \| good	0.368 \| good	12.115 \| good	0.252 \| good
2025-09-09T03:00:00.000Z	38 \| good	7.069 \| good	31.142 \| good	22.918 \| good	0.429 \| good	15.396 \| good	0.279 \| good
2025-09-09T04:00:00.000Z	38 \| good	7.04 \| good	31.033 \| good	20.811 \| good	0.458 \| good	17.584 \| good	0.294 \| good
2025-09-09T05:00:00.000Z	44 \| good	7.926 \| good	34.534 \| good	18.294 \| good	0.487 \| good	19.772 \| good	0.309 \| good
2025-09-09T06:00:00.000Z	52 \| moderate	9.739 \| good	43.397 \| good	14.99 \| good	0.516 \| good	21.96 \| good	0.324 \| good
2025-09-09T07:00:00.000Z	54 \| moderate	10.99 \| good	48.543 \| good	12.537 \| good	0.529 \| good	21.111 \| good	0.316 \| good
2025-09-09T08:00:00.000Z	58 \| moderate	13.012 \| fine	58.737 \| fine	10.757 \| good	0.543 \| good	20.262 \| good	0.307 \| good
2025-09-09T09:00:00.000Z	60 \| moderate	13.848 \| fine	61.999 \| fine	9.249 \| good	0.556 \| good	19.413 \| good	0.299 \| good
2025-09-09T10:00:00.000Z	60 \| moderate	14.035 \| fine	63.142 \| fine	11.099 \| good	0.565 \| good	18.02 \| good	0.294 \| good
2025-09-09T11:00:00.000Z	60 \| moderate	14.342 \| fine	64.219 \| fine	10.082 \| good	0.574 \| good	16.627 \| good	0.289 \| good
2025-09-09T12:00:00.000Z	62 \| moderate	15.178 \| fine	67.904 \| fine	12.78 \| good	0.583 \| good	15.234 \| good	0.285 \| good
2025-09-09T13:00:00.000Z	56 \| moderate	11.541 \| good	51.108 \| good	21.591 \| good	1.263 \| good	11.558 \| good	0.258 \| good
2025-09-09T14:00:00.000Z	49 \| good	9.087 \| good	40.933 \| good	31.66 \| good	1.943 \| good	7.882 \| good	0.231 \| good
2025-09-09T15:00:00.000Z	49 \| good	9.038 \| good	40.5 \| good	40.924 \| good	2.624 \| good	4.206 \| good	0.204 \| good
2025-09-09T16:00:00.000Z	49 \| good	9.212 \| good	41.076 \| good	47.369 \| good	3.245 \| good	3.054 \| good	0.191 \| good
2025-09-09T17:00:00.000Z	52 \| moderate	9.962 \| good	44.333 \| good	49.556 \| good	3.867 \| good	1.902 \| good	0.177 \| good
2025-09-09T18:00:00.000Z	46 \| good	8.498 \| good	37.459 \| good	49.901 \| good	4.489 \| good	0.75 \| good	0.164 \| good
2025-09-09T19:00:00.000Z	46 \| good	6.312 \| good	28.013 \| good	50.377 \| good	4.263 \| good	0.776 \| good	0.163 \| good
2025-09-09T20:00:00.000Z	47 \| good	5.118 \| good	22.018 \| good	51.066 \| good	4.038 \| good	0.801 \| good	0.162 \| good
2025-09-09T21:00:00.000Z	49 \| good	4.325 \| good	19 \| good	52.808 \| good	3.812 \| good	0.827 \| good	0.16 \| good
2025-09-09T22:00:00.000Z	49 \| good	4.077 \| good	17.847 \| good	52.855 \| good	3.435 \| good	2.135 \| good	0.169 \| good
2025-09-09T23:00:00.000Z	44 \| good	5.389 \| good	23.258 \| good	47.26 \| good	3.058 \| good	3.442 \| good	0.178 \| good
2025-09-10T00:00:00.000Z	38 \| good	6.936 \| good	30.897 \| good	37.1 \| good	2.681 \| good	4.75 \| good	0.187 \| good
2025-09-10T01:00:00.000Z	49 \| good	9.019 \| good	39.967 \| good	30.374 \| good	2.43 \| good	6.127 \| good	0.197 \| good
2025-09-10T02:00:00.000Z	54 \| moderate	10.708 \| good	47.356 \| good	27.535 \| good	2.179 \| good	7.504 \| good	0.207 \| good
2025-09-10T03:00:00.000Z	56 \| moderate	12.337 \| fine	55.233 \| fine	24.157 \| good	1.928 \| good	8.881 \| good	0.217 \| good
2025-09-10T04:00:00.000Z	58 \| moderate	12.898 \| fine	57.892 \| fine	19.922 \| good	1.867 \| good	11.185 \| good	0.232 \| good
2025-09-10T05:00:00.000Z	58 \| moderate	13.092 \| fine	59.093 \| fine	16.986 \| good	1.805 \| good	13.489 \| good	0.247 \| good
2025-09-10T06:00:00.000Z	62 \| moderate	15.294 \| fine	15.558 \| good	23.865 \| good	1.737 \| good	15.824 \| good	0.262 \| good
2025-09-10T07:00:00.000Z	58 \| moderate	12.589 \| fine	56.697 \| fine	14.126 \| good	1.689 \| good	17.643 \| good	0.272 \| good
2025-09-10T08:00:00.000Z	56 \| moderate	12.191 \| fine	54.755 \| good	11.642 \| good	1.633 \| good	19.493 \| good	0.282 \| good
2025-09-10T09:00:00.000Z	58 \| moderate	12.732 \| fine	57.319 \| fine	9.505 \| good	1.578 \| good	21.342 \| good	0.293 \| good
2025-09-10T10:00:00.000Z	58 \| moderate	13.371 \| fine	60.077 \| fine	8.81 \| good	1.531 \| good	21.063 \| good	0.302 \| good
2025-09-10T11:00:00.000Z	62 \| moderate	14.835 \| fine	66.21 \| fine	8.536 \| good	1.485 \| good	20.784 \| good	0.31 \| good
2025-09-10T12:00:00.000Z	75 \| moderate	22.093 \| fine	22.354 \| good	11.527 \| good	1.423 \| good	20.628 \| good	0.321 \| good
2025-09-10T13:00:00.000Z	69 \| moderate	19.463 \| fine	19.65 \| good	24.726 \| good	1.645 \| good	15.459 \| good	0.284 \| good

Defiance, Ohio live air quality index now

Major air pollutants in Defiance, Ohio

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Van Wert, Ohio

Auburn, Indiana

Bowling Green, Ohio

New Haven, Indiana

Lima, Ohio

Findlay, Ohio

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What is the current concentration of PM10 in Defiance, Ohio?

What is the current concentration of carbon monoxide (CO) in Defiance, Ohio?

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What is the current concentration of ozone (O3) in Defiance, Ohio?

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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 current concentration of PM_2.5 in Defiance, Ohio?

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What is the current concentration of nitrogen dioxide (NO₂) in Defiance, Ohio?