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

The current PM10 concentration at Defiance, Ohio is 45.707 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Defiance, Ohio is 0.934 ppb.

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

The current ozone (O3) concentration at Defiance, Ohio is 26.866 ppm.

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

The current nitrogen dioxide (NO2) concentration at Defiance, Ohio is 4.385 ppb.

Defiance, Ohio live air quality index now

Q: What is the current concentration of PM2.5 in Defiance, Ohio?

The current PM2.5 concentration at Defiance, Ohio is 10.248 μg/m3.

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)

Moderate

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)

10.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

45.71 μg/m³

155

255

425

605+

Ozone (O₃)

26.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-06-06T10:00:00.000Z	56 \| moderate	11.802 \| good	46.833 \| good	32.425 \| good	0.469 \| good	3.629 \| good	0.165 \| good
2026-06-06T11:00:00.000Z	56 \| moderate	11.778 \| good	45.162 \| good	34.954 \| good	0.402 \| good	3.871 \| good	0.16 \| good
2026-06-06T12:00:00.000Z	52 \| moderate	9.834 \| good	40.817 \| good	42.148 \| good	0.44 \| good	4.248 \| good	0.16 \| good
2026-06-06T13:00:00.000Z	49 \| good	9.116 \| good	35.199 \| good	45.795 \| good	0.443 \| good	4.201 \| good	0.148 \| good
2026-06-06T14:00:00.000Z	49 \| good	8.889 \| good	33.352 \| good	47.59 \| good	0.383 \| good	3.542 \| good	0.147 \| good
2026-06-06T15:00:00.000Z	52 \| moderate	9.902 \| good	36.184 \| good	49.152 \| good	0.392 \| good	2.799 \| good	0.145 \| good
2026-06-06T16:00:00.000Z	52 \| moderate	9.516 \| good	40.384 \| good	47.761 \| good	0.43 \| good	2.642 \| good	0.158 \| good
2026-06-06T17:00:00.000Z	52 \| moderate	9.939 \| good	40.492 \| good	49.327 \| good	0.39 \| good	2.262 \| good	0.162 \| good
2026-06-06T18:00:00.000Z	52 \| moderate	9.585 \| good	43.528 \| good	50.752 \| good	0.371 \| good	2.151 \| good	0.157 \| good
2026-06-06T19:00:00.000Z	49 \| good	9.15 \| good	35.775 \| good	51.465 \| good	0.382 \| good	2.355 \| good	0.158 \| good
2026-06-06T20:00:00.000Z	49 \| good	8.241 \| good	34.775 \| good	53.148 \| good	0.37 \| good	2.001 \| good	0.165 \| good
2026-06-06T21:00:00.000Z	50 \| good	8.28 \| good	32.672 \| good	53.747 \| good	0.389 \| good	1.665 \| good	0.159 \| good
2026-06-06T22:00:00.000Z	54 \| moderate	7.164 \| good	30.116 \| good	55.736 \| fine	0.414 \| good	1.819 \| good	0.169 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	7.05 \| good	28.584 \| good	56.391 \| fine	0.434 \| good	2.263 \| good	0.163 \| good
2026-06-07T00:00:00.000Z	50 \| good	6.799 \| good	29.525 \| good	53.942 \| good	0.437 \| good	3.014 \| good	0.16 \| good
2026-06-07T01:00:00.000Z	49 \| good	8.657 \| good	33.696 \| good	49.154 \| good	0.431 \| good	3.824 \| good	0.164 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.308 \| good	38.492 \| good	43.325 \| good	0.423 \| good	5.055 \| good	0.175 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	10.215 \| good	49.642 \| good	39.614 \| good	0.399 \| good	6.002 \| good	0.177 \| good
2026-06-07T04:00:00.000Z	52 \| moderate	10.295 \| good	45.411 \| good	33.874 \| good	0.38 \| good	7.14 \| good	0.203 \| good
2026-06-07T05:00:00.000Z	52 \| moderate	10.5 \| good	44.781 \| good	30.329 \| good	0.39 \| good	11.471 \| good	0.218 \| good
2026-06-07T06:00:00.000Z	54 \| moderate	11.383 \| good	49.259 \| good	26.769 \| good	0.377 \| good	8.579 \| good	0.197 \| good
2026-06-07T07:00:00.000Z	52 \| moderate	10.226 \| good	40.162 \| good	22.213 \| good	1.452 \| good	9.477 \| good	0.196 \| good
2026-06-07T08:00:00.000Z	52 \| moderate	9.708 \| good	41.664 \| good	19.136 \| good	1.202 \| good	10.631 \| good	0.183 \| good
2026-06-07T09:00:00.000Z	52 \| moderate	9.93 \| good	40.086 \| good	17.805 \| good	0.978 \| good	8.789 \| good	0.183 \| good
2026-06-07T10:00:00.000Z	49 \| good	9.087 \| good	41.937 \| good	16.108 \| good	0.692 \| good	9.865 \| good	0.178 \| good
2026-06-07T11:00:00.000Z	49 \| good	9.274 \| good	40.006 \| good	19.427 \| good	0.624 \| good	9.025 \| good	0.186 \| good
2026-06-07T12:00:00.000Z	54 \| moderate	10.792 \| good	39.969 \| good	24.643 \| good	0.711 \| good	5.581 \| good	0.183 \| good
2026-06-07T13:00:00.000Z	52 \| moderate	9.501 \| good	40.158 \| good	29.171 \| good	0.752 \| good	3.858 \| good	0.168 \| good
2026-06-07T14:00:00.000Z	49 \| good	9.234 \| good	38.934 \| good	38.219 \| good	0.442 \| good	3.089 \| good	0.16 \| good
2026-06-07T15:00:00.000Z	52 \| moderate	10.083 \| good	43.71 \| good	42.542 \| good	0.542 \| good	2.441 \| good	0.175 \| good
2026-06-07T16:00:00.000Z	44 \| good	7.982 \| good	33.585 \| good	46.162 \| good	0.73 \| good	2.006 \| good	0.183 \| good
2026-06-07T17:00:00.000Z	45 \| good	8.42 \| good	32.007 \| good	49.425 \| good	0.644 \| good	1.744 \| good	0.178 \| good
2026-06-07T18:00:00.000Z	49 \| good	8.811 \| good	37.541 \| good	52.256 \| good	1.036 \| good	1.666 \| good	0.177 \| good
2026-06-07T19:00:00.000Z	50 \| good	8.702 \| good	35.996 \| good	53.734 \| good	1.214 \| good	1.664 \| good	0.163 \| good
2026-06-07T20:00:00.000Z	61 \| moderate	8.926 \| good	37.052 \| good	57.697 \| fine	1.27 \| good	2.015 \| good	0.169 \| good
2026-06-07T21:00:00.000Z	54 \| moderate	9.082 \| good	40.028 \| good	55.983 \| fine	0.841 \| good	1.364 \| good	0.152 \| good
2026-06-07T22:00:00.000Z	58 \| moderate	9.042 \| good	43.399 \| good	56.618 \| fine	0.747 \| good	1.264 \| good	0.159 \| good
2026-06-07T23:00:00.000Z	58 \| moderate	8.607 \| good	35.358 \| good	56.532 \| fine	0.786 \| good	1.321 \| good	0.165 \| good
2026-06-08T00:00:00.000Z	49 \| good	9.453 \| good	44.61 \| good	53.237 \| good	1.064 \| good	2.169 \| good	0.171 \| good
2026-06-08T01:00:00.000Z	49 \| good	9.141 \| good	38.46 \| good	47.99 \| good	0.887 \| good	2.996 \| good	0.171 \| good
2026-06-08T02:00:00.000Z	52 \| moderate	9.729 \| good	44.267 \| good	42.937 \| good	0.652 \| good	3.529 \| good	0.163 \| good
2026-06-08T03:00:00.000Z	56 \| moderate	11.686 \| good	51.315 \| good	37.122 \| good	0.575 \| good	3.299 \| good	0.14 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	9.781 \| good	39.93 \| good	35.086 \| good	0.856 \| good	3.782 \| good	0.16 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.842 \| good	41.69 \| good	33.357 \| good	1.272 \| good	3.82 \| good	0.155 \| good
2026-06-08T06:00:00.000Z	52 \| moderate	9.73 \| good	38.897 \| good	29.669 \| good	1.305 \| good	3.964 \| good	0.156 \| good
2026-06-08T07:00:00.000Z	52 \| moderate	10.113 \| good	43.127 \| good	28.777 \| good	1.103 \| good	3.884 \| good	0.161 \| good
2026-06-08T08:00:00.000Z	52 \| moderate	10.248 \| good	45.707 \| good	26.866 \| good	0.934 \| good	4.385 \| good	0.143 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.219 \| good	45.314 \| good	24.94 \| good	0.694 \| good	6 \| good	0.15 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.248 \| good	45.707 \| good	26.866 \| good	0.934 \| good	4.385 \| good	0.143 \| good
2026-06-08T10:00:00.000Z	60 \| moderate	13.819 \| fine	61.841 \| fine	17.136 \| good	0.663 \| good	5.8 \| good	0.162 \| good
2026-06-08T11:00:00.000Z	60 \| moderate	14.392 \| fine	64.722 \| fine	20.45 \| good	0.599 \| good	5.867 \| good	0.168 \| good
2026-06-08T12:00:00.000Z	60 \| moderate	14.222 \| fine	63.999 \| fine	26.889 \| good	0.537 \| good	5.105 \| good	0.173 \| good
2026-06-08T13:00:00.000Z	58 \| moderate	13.099 \| fine	59.115 \| fine	33.198 \| good	0.513 \| good	4.083 \| good	0.172 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	12.44 \| fine	55.786 \| fine	39.414 \| good	0.531 \| good	3.298 \| good	0.169 \| good
2026-06-08T15:00:00.000Z	56 \| moderate	11.831 \| good	52.782 \| good	44.787 \| good	0.588 \| good	2.413 \| good	0.165 \| good
2026-06-08T16:00:00.000Z	54 \| moderate	11.487 \| good	50.588 \| good	49.113 \| good	0.664 \| good	1.544 \| good	0.162 \| good
2026-06-08T17:00:00.000Z	56 \| moderate	11.685 \| good	52.181 \| good	53.505 \| good	0.762 \| good	1.011 \| good	0.16 \| good
2026-06-08T18:00:00.000Z	56 \| moderate	11.975 \| good	53.249 \| good	54.85 \| good	0.762 \| good	0.73 \| good	0.159 \| good
2026-06-08T19:00:00.000Z	56 \| moderate	12.469 \| fine	56.722 \| fine	56.457 \| fine	0.657 \| good	0.617 \| good	0.16 \| good
2026-06-08T20:00:00.000Z	61 \| moderate	12.164 \| fine	54.945 \| good	57.982 \| fine	0.582 \| good	0.592 \| good	0.161 \| good
2026-06-08T21:00:00.000Z	64 \| moderate	11.857 \| good	52.152 \| good	59.165 \| fine	0.537 \| good	0.655 \| good	0.162 \| good
2026-06-08T22:00:00.000Z	71 \| moderate	10.485 \| good	46.272 \| good	61.094 \| fine	0.45 \| good	0.983 \| good	0.162 \| good
2026-06-08T23:00:00.000Z	61 \| moderate	10.093 \| good	44.775 \| good	57.882 \| fine	0.427 \| good	1.47 \| good	0.165 \| good
2026-06-09T00:00:00.000Z	54 \| moderate	10.766 \| good	47.615 \| good	53.302 \| good	0.419 \| good	2.02 \| good	0.167 \| good
2026-06-09T01:00:00.000Z	58 \| moderate	12.755 \| fine	57.657 \| fine	50.387 \| good	0.406 \| good	3.031 \| good	0.17 \| good
2026-06-09T02:00:00.000Z	58 \| moderate	12.662 \| fine	57.417 \| fine	44.749 \| good	0.398 \| good	3.957 \| good	0.172 \| good
2026-06-09T03:00:00.000Z	54 \| moderate	11.01 \| good	48.717 \| good	41.566 \| good	0.398 \| good	4.045 \| good	0.164 \| good
2026-06-09T04:00:00.000Z	52 \| moderate	9.502 \| good	42.131 \| good	39.652 \| good	0.405 \| good	4.034 \| good	0.155 \| good
2026-06-09T05:00:00.000Z	49 \| good	9.258 \| good	41.391 \| good	35.638 \| good	0.426 \| good	4.23 \| good	0.151 \| good
2026-06-09T06:00:00.000Z	49 \| good	8.738 \| good	38.249 \| good	33.278 \| good	0.442 \| good	4.301 \| good	0.147 \| good
2026-06-09T07:00:00.000Z	44 \| good	7.817 \| good	34.235 \| good	30.487 \| good	0.44 \| good	4.288 \| good	0.144 \| good
2026-06-09T08:00:00.000Z	44 \| good	7.993 \| good	35.076 \| good	27.145 \| good	0.427 \| good	4.179 \| good	0.142 \| good
2026-06-09T09:00:00.000Z	44 \| good	8.235 \| good	36.282 \| good	24.796 \| good	0.409 \| good	4.179 \| good	0.141 \| good
2026-06-09T10:00:00.000Z	49 \| good	8.637 \| good	37.828 \| good	20.722 \| good	0.397 \| good	4.271 \| good	0.14 \| good
2026-06-09T11:00:00.000Z	52 \| moderate	9.863 \| good	43.74 \| good	20.289 \| good	0.378 \| good	3.789 \| good	0.137 \| good
2026-06-09T12:00:00.000Z	52 \| moderate	9.791 \| good	43.5 \| good	23.609 \| good	0.348 \| good	3.151 \| good	0.134 \| good
2026-06-09T13:00:00.000Z	54 \| moderate	10.606 \| good	47.053 \| good	25.222 \| good	0.325 \| good	2.101 \| good	0.13 \| good
2026-06-09T14:00:00.000Z	54 \| moderate	10.602 \| good	46.981 \| good	28.134 \| good	0.308 \| good	1.652 \| good	0.128 \| good
2026-06-09T15:00:00.000Z	52 \| moderate	9.568 \| good	42.771 \| good	37.556 \| good	0.292 \| good	1.296 \| good	0.126 \| good
2026-06-09T16:00:00.000Z	49 \| good	8.703 \| good	37.972 \| good	45.092 \| good	0.267 \| good	1.069 \| good	0.123 \| good
2026-06-09T17:00:00.000Z	49 \| good	9.233 \| good	41.094 \| good	46.74 \| good	0.269 \| good	0.816 \| good	0.124 \| good
2026-06-09T18:00:00.000Z	49 \| good	9.413 \| good	42.117 \| good	48.937 \| good	0.274 \| good	0.671 \| good	0.124 \| good
2026-06-09T19:00:00.000Z	49 \| good	9.227 \| good	40.933 \| good	50.767 \| good	0.256 \| good	0.695 \| good	0.124 \| good
2026-06-09T20:00:00.000Z	49 \| good	9.009 \| good	40.26 \| good	51.272 \| good	0.252 \| good	0.847 \| good	0.126 \| good
2026-06-09T21:00:00.000Z	49 \| good	8.994 \| good	39.667 \| good	52.07 \| good	0.254 \| good	0.918 \| good	0.127 \| good
2026-06-09T22:00:00.000Z	51 \| moderate	8.367 \| good	36.775 \| good	54.862 \| good	0.274 \| good	0.942 \| good	0.13 \| good
2026-06-09T23:00:00.000Z	58 \| moderate	8.19 \| good	36.011 \| good	56.612 \| fine	0.296 \| good	1.061 \| good	0.133 \| good
2026-06-10T00:00:00.000Z	51 \| moderate	8.986 \| good	39.468 \| good	54.6 \| good	0.296 \| good	1.471 \| good	0.136 \| good
2026-06-10T01:00:00.000Z	52 \| moderate	10.312 \| good	45.645 \| good	47.185 \| good	0.29 \| good	3.184 \| good	0.149 \| good
2026-06-10T02:00:00.000Z	54 \| moderate	11.288 \| good	49.97 \| good	43.274 \| good	0.293 \| good	4.488 \| good	0.158 \| good
2026-06-10T03:00:00.000Z	56 \| moderate	11.677 \| good	51.267 \| good	40.564 \| good	0.29 \| good	5.37 \| good	0.162 \| good
2026-06-10T04:00:00.000Z	54 \| moderate	11.271 \| good	49.996 \| good	38.615 \| good	0.298 \| good	6.553 \| good	0.169 \| good
2026-06-10T05:00:00.000Z	52 \| moderate	10.338 \| good	45.922 \| good	36.44 \| good	0.298 \| good	6.581 \| good	0.169 \| good
2026-06-10T06:00:00.000Z	25 \| good	2.692 \| good	2.728 \| good	26.833 \| good	0.299 \| good	5.955 \| good	0.164 \| good
2026-06-10T07:00:00.000Z	54 \| moderate	10.525 \| good	46.724 \| good	31.3 \| good	0.313 \| good	5.489 \| good	0.161 \| good
2026-06-10T08:00:00.000Z	54 \| moderate	10.821 \| good	47.988 \| good	28.909 \| good	0.333 \| good	5.162 \| good	0.159 \| good
2026-06-10T09:00:00.000Z	54 \| moderate	10.839 \| good	47.938 \| good	27.039 \| good	0.356 \| good	5.162 \| good	0.159 \| good

Defiance

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Defiance, Ohio air quality map: Track AQI near you

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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 08:00:00 on 2026-06-07.

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 04:00:00 on 2026-06-07.

What is the current air quality in Defiance, Ohio?

The current air quality in Defiance, Ohio is 52, categorized as Moderate 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 10.248 μg/m³.

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

The current PM₁₀ concentration at Defiance, Ohio is 45.707 μg/m³.

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

The current carbon monoxide (CO) concentration at Defiance, Ohio is 0.143 ppm.

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

The current sulfur dioxide (SO₂) concentration at Defiance, Ohio is 0.934 ppb.

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

The current ozone (O₃) concentration at Defiance, Ohio is 26.866 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Defiance, Ohio is 4.385 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T10:00:00.000Z	56 \| moderate	11.802 \| good	46.833 \| good	32.425 \| good	0.469 \| good	3.629 \| good	0.165 \| good
2026-06-06T11:00:00.000Z	56 \| moderate	11.778 \| good	45.162 \| good	34.954 \| good	0.402 \| good	3.871 \| good	0.16 \| good
2026-06-06T12:00:00.000Z	52 \| moderate	9.834 \| good	40.817 \| good	42.148 \| good	0.44 \| good	4.248 \| good	0.16 \| good
2026-06-06T13:00:00.000Z	49 \| good	9.116 \| good	35.199 \| good	45.795 \| good	0.443 \| good	4.201 \| good	0.148 \| good
2026-06-06T14:00:00.000Z	49 \| good	8.889 \| good	33.352 \| good	47.59 \| good	0.383 \| good	3.542 \| good	0.147 \| good
2026-06-06T15:00:00.000Z	52 \| moderate	9.902 \| good	36.184 \| good	49.152 \| good	0.392 \| good	2.799 \| good	0.145 \| good
2026-06-06T16:00:00.000Z	52 \| moderate	9.516 \| good	40.384 \| good	47.761 \| good	0.43 \| good	2.642 \| good	0.158 \| good
2026-06-06T17:00:00.000Z	52 \| moderate	9.939 \| good	40.492 \| good	49.327 \| good	0.39 \| good	2.262 \| good	0.162 \| good
2026-06-06T18:00:00.000Z	52 \| moderate	9.585 \| good	43.528 \| good	50.752 \| good	0.371 \| good	2.151 \| good	0.157 \| good
2026-06-06T19:00:00.000Z	49 \| good	9.15 \| good	35.775 \| good	51.465 \| good	0.382 \| good	2.355 \| good	0.158 \| good
2026-06-06T20:00:00.000Z	49 \| good	8.241 \| good	34.775 \| good	53.148 \| good	0.37 \| good	2.001 \| good	0.165 \| good
2026-06-06T21:00:00.000Z	50 \| good	8.28 \| good	32.672 \| good	53.747 \| good	0.389 \| good	1.665 \| good	0.159 \| good
2026-06-06T22:00:00.000Z	54 \| moderate	7.164 \| good	30.116 \| good	55.736 \| fine	0.414 \| good	1.819 \| good	0.169 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	7.05 \| good	28.584 \| good	56.391 \| fine	0.434 \| good	2.263 \| good	0.163 \| good
2026-06-07T00:00:00.000Z	50 \| good	6.799 \| good	29.525 \| good	53.942 \| good	0.437 \| good	3.014 \| good	0.16 \| good
2026-06-07T01:00:00.000Z	49 \| good	8.657 \| good	33.696 \| good	49.154 \| good	0.431 \| good	3.824 \| good	0.164 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.308 \| good	38.492 \| good	43.325 \| good	0.423 \| good	5.055 \| good	0.175 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	10.215 \| good	49.642 \| good	39.614 \| good	0.399 \| good	6.002 \| good	0.177 \| good
2026-06-07T04:00:00.000Z	52 \| moderate	10.295 \| good	45.411 \| good	33.874 \| good	0.38 \| good	7.14 \| good	0.203 \| good
2026-06-07T05:00:00.000Z	52 \| moderate	10.5 \| good	44.781 \| good	30.329 \| good	0.39 \| good	11.471 \| good	0.218 \| good
2026-06-07T06:00:00.000Z	54 \| moderate	11.383 \| good	49.259 \| good	26.769 \| good	0.377 \| good	8.579 \| good	0.197 \| good
2026-06-07T07:00:00.000Z	52 \| moderate	10.226 \| good	40.162 \| good	22.213 \| good	1.452 \| good	9.477 \| good	0.196 \| good
2026-06-07T08:00:00.000Z	52 \| moderate	9.708 \| good	41.664 \| good	19.136 \| good	1.202 \| good	10.631 \| good	0.183 \| good
2026-06-07T09:00:00.000Z	52 \| moderate	9.93 \| good	40.086 \| good	17.805 \| good	0.978 \| good	8.789 \| good	0.183 \| good
2026-06-07T10:00:00.000Z	49 \| good	9.087 \| good	41.937 \| good	16.108 \| good	0.692 \| good	9.865 \| good	0.178 \| good
2026-06-07T11:00:00.000Z	49 \| good	9.274 \| good	40.006 \| good	19.427 \| good	0.624 \| good	9.025 \| good	0.186 \| good
2026-06-07T12:00:00.000Z	54 \| moderate	10.792 \| good	39.969 \| good	24.643 \| good	0.711 \| good	5.581 \| good	0.183 \| good
2026-06-07T13:00:00.000Z	52 \| moderate	9.501 \| good	40.158 \| good	29.171 \| good	0.752 \| good	3.858 \| good	0.168 \| good
2026-06-07T14:00:00.000Z	49 \| good	9.234 \| good	38.934 \| good	38.219 \| good	0.442 \| good	3.089 \| good	0.16 \| good
2026-06-07T15:00:00.000Z	52 \| moderate	10.083 \| good	43.71 \| good	42.542 \| good	0.542 \| good	2.441 \| good	0.175 \| good
2026-06-07T16:00:00.000Z	44 \| good	7.982 \| good	33.585 \| good	46.162 \| good	0.73 \| good	2.006 \| good	0.183 \| good
2026-06-07T17:00:00.000Z	45 \| good	8.42 \| good	32.007 \| good	49.425 \| good	0.644 \| good	1.744 \| good	0.178 \| good
2026-06-07T18:00:00.000Z	49 \| good	8.811 \| good	37.541 \| good	52.256 \| good	1.036 \| good	1.666 \| good	0.177 \| good
2026-06-07T19:00:00.000Z	50 \| good	8.702 \| good	35.996 \| good	53.734 \| good	1.214 \| good	1.664 \| good	0.163 \| good
2026-06-07T20:00:00.000Z	61 \| moderate	8.926 \| good	37.052 \| good	57.697 \| fine	1.27 \| good	2.015 \| good	0.169 \| good
2026-06-07T21:00:00.000Z	54 \| moderate	9.082 \| good	40.028 \| good	55.983 \| fine	0.841 \| good	1.364 \| good	0.152 \| good
2026-06-07T22:00:00.000Z	58 \| moderate	9.042 \| good	43.399 \| good	56.618 \| fine	0.747 \| good	1.264 \| good	0.159 \| good
2026-06-07T23:00:00.000Z	58 \| moderate	8.607 \| good	35.358 \| good	56.532 \| fine	0.786 \| good	1.321 \| good	0.165 \| good
2026-06-08T00:00:00.000Z	49 \| good	9.453 \| good	44.61 \| good	53.237 \| good	1.064 \| good	2.169 \| good	0.171 \| good
2026-06-08T01:00:00.000Z	49 \| good	9.141 \| good	38.46 \| good	47.99 \| good	0.887 \| good	2.996 \| good	0.171 \| good
2026-06-08T02:00:00.000Z	52 \| moderate	9.729 \| good	44.267 \| good	42.937 \| good	0.652 \| good	3.529 \| good	0.163 \| good
2026-06-08T03:00:00.000Z	56 \| moderate	11.686 \| good	51.315 \| good	37.122 \| good	0.575 \| good	3.299 \| good	0.14 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	9.781 \| good	39.93 \| good	35.086 \| good	0.856 \| good	3.782 \| good	0.16 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.842 \| good	41.69 \| good	33.357 \| good	1.272 \| good	3.82 \| good	0.155 \| good
2026-06-08T06:00:00.000Z	52 \| moderate	9.73 \| good	38.897 \| good	29.669 \| good	1.305 \| good	3.964 \| good	0.156 \| good
2026-06-08T07:00:00.000Z	52 \| moderate	10.113 \| good	43.127 \| good	28.777 \| good	1.103 \| good	3.884 \| good	0.161 \| good
2026-06-08T08:00:00.000Z	52 \| moderate	10.248 \| good	45.707 \| good	26.866 \| good	0.934 \| good	4.385 \| good	0.143 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.219 \| good	45.314 \| good	24.94 \| good	0.694 \| good	6 \| good	0.15 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.248 \| good	45.707 \| good	26.866 \| good	0.934 \| good	4.385 \| good	0.143 \| good
2026-06-08T10:00:00.000Z	60 \| moderate	13.819 \| fine	61.841 \| fine	17.136 \| good	0.663 \| good	5.8 \| good	0.162 \| good
2026-06-08T11:00:00.000Z	60 \| moderate	14.392 \| fine	64.722 \| fine	20.45 \| good	0.599 \| good	5.867 \| good	0.168 \| good
2026-06-08T12:00:00.000Z	60 \| moderate	14.222 \| fine	63.999 \| fine	26.889 \| good	0.537 \| good	5.105 \| good	0.173 \| good
2026-06-08T13:00:00.000Z	58 \| moderate	13.099 \| fine	59.115 \| fine	33.198 \| good	0.513 \| good	4.083 \| good	0.172 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	12.44 \| fine	55.786 \| fine	39.414 \| good	0.531 \| good	3.298 \| good	0.169 \| good
2026-06-08T15:00:00.000Z	56 \| moderate	11.831 \| good	52.782 \| good	44.787 \| good	0.588 \| good	2.413 \| good	0.165 \| good
2026-06-08T16:00:00.000Z	54 \| moderate	11.487 \| good	50.588 \| good	49.113 \| good	0.664 \| good	1.544 \| good	0.162 \| good
2026-06-08T17:00:00.000Z	56 \| moderate	11.685 \| good	52.181 \| good	53.505 \| good	0.762 \| good	1.011 \| good	0.16 \| good
2026-06-08T18:00:00.000Z	56 \| moderate	11.975 \| good	53.249 \| good	54.85 \| good	0.762 \| good	0.73 \| good	0.159 \| good
2026-06-08T19:00:00.000Z	56 \| moderate	12.469 \| fine	56.722 \| fine	56.457 \| fine	0.657 \| good	0.617 \| good	0.16 \| good
2026-06-08T20:00:00.000Z	61 \| moderate	12.164 \| fine	54.945 \| good	57.982 \| fine	0.582 \| good	0.592 \| good	0.161 \| good
2026-06-08T21:00:00.000Z	64 \| moderate	11.857 \| good	52.152 \| good	59.165 \| fine	0.537 \| good	0.655 \| good	0.162 \| good
2026-06-08T22:00:00.000Z	71 \| moderate	10.485 \| good	46.272 \| good	61.094 \| fine	0.45 \| good	0.983 \| good	0.162 \| good
2026-06-08T23:00:00.000Z	61 \| moderate	10.093 \| good	44.775 \| good	57.882 \| fine	0.427 \| good	1.47 \| good	0.165 \| good
2026-06-09T00:00:00.000Z	54 \| moderate	10.766 \| good	47.615 \| good	53.302 \| good	0.419 \| good	2.02 \| good	0.167 \| good
2026-06-09T01:00:00.000Z	58 \| moderate	12.755 \| fine	57.657 \| fine	50.387 \| good	0.406 \| good	3.031 \| good	0.17 \| good
2026-06-09T02:00:00.000Z	58 \| moderate	12.662 \| fine	57.417 \| fine	44.749 \| good	0.398 \| good	3.957 \| good	0.172 \| good
2026-06-09T03:00:00.000Z	54 \| moderate	11.01 \| good	48.717 \| good	41.566 \| good	0.398 \| good	4.045 \| good	0.164 \| good
2026-06-09T04:00:00.000Z	52 \| moderate	9.502 \| good	42.131 \| good	39.652 \| good	0.405 \| good	4.034 \| good	0.155 \| good
2026-06-09T05:00:00.000Z	49 \| good	9.258 \| good	41.391 \| good	35.638 \| good	0.426 \| good	4.23 \| good	0.151 \| good
2026-06-09T06:00:00.000Z	49 \| good	8.738 \| good	38.249 \| good	33.278 \| good	0.442 \| good	4.301 \| good	0.147 \| good
2026-06-09T07:00:00.000Z	44 \| good	7.817 \| good	34.235 \| good	30.487 \| good	0.44 \| good	4.288 \| good	0.144 \| good
2026-06-09T08:00:00.000Z	44 \| good	7.993 \| good	35.076 \| good	27.145 \| good	0.427 \| good	4.179 \| good	0.142 \| good
2026-06-09T09:00:00.000Z	44 \| good	8.235 \| good	36.282 \| good	24.796 \| good	0.409 \| good	4.179 \| good	0.141 \| good
2026-06-09T10:00:00.000Z	49 \| good	8.637 \| good	37.828 \| good	20.722 \| good	0.397 \| good	4.271 \| good	0.14 \| good
2026-06-09T11:00:00.000Z	52 \| moderate	9.863 \| good	43.74 \| good	20.289 \| good	0.378 \| good	3.789 \| good	0.137 \| good
2026-06-09T12:00:00.000Z	52 \| moderate	9.791 \| good	43.5 \| good	23.609 \| good	0.348 \| good	3.151 \| good	0.134 \| good
2026-06-09T13:00:00.000Z	54 \| moderate	10.606 \| good	47.053 \| good	25.222 \| good	0.325 \| good	2.101 \| good	0.13 \| good
2026-06-09T14:00:00.000Z	54 \| moderate	10.602 \| good	46.981 \| good	28.134 \| good	0.308 \| good	1.652 \| good	0.128 \| good
2026-06-09T15:00:00.000Z	52 \| moderate	9.568 \| good	42.771 \| good	37.556 \| good	0.292 \| good	1.296 \| good	0.126 \| good
2026-06-09T16:00:00.000Z	49 \| good	8.703 \| good	37.972 \| good	45.092 \| good	0.267 \| good	1.069 \| good	0.123 \| good
2026-06-09T17:00:00.000Z	49 \| good	9.233 \| good	41.094 \| good	46.74 \| good	0.269 \| good	0.816 \| good	0.124 \| good
2026-06-09T18:00:00.000Z	49 \| good	9.413 \| good	42.117 \| good	48.937 \| good	0.274 \| good	0.671 \| good	0.124 \| good
2026-06-09T19:00:00.000Z	49 \| good	9.227 \| good	40.933 \| good	50.767 \| good	0.256 \| good	0.695 \| good	0.124 \| good
2026-06-09T20:00:00.000Z	49 \| good	9.009 \| good	40.26 \| good	51.272 \| good	0.252 \| good	0.847 \| good	0.126 \| good
2026-06-09T21:00:00.000Z	49 \| good	8.994 \| good	39.667 \| good	52.07 \| good	0.254 \| good	0.918 \| good	0.127 \| good
2026-06-09T22:00:00.000Z	51 \| moderate	8.367 \| good	36.775 \| good	54.862 \| good	0.274 \| good	0.942 \| good	0.13 \| good
2026-06-09T23:00:00.000Z	58 \| moderate	8.19 \| good	36.011 \| good	56.612 \| fine	0.296 \| good	1.061 \| good	0.133 \| good
2026-06-10T00:00:00.000Z	51 \| moderate	8.986 \| good	39.468 \| good	54.6 \| good	0.296 \| good	1.471 \| good	0.136 \| good
2026-06-10T01:00:00.000Z	52 \| moderate	10.312 \| good	45.645 \| good	47.185 \| good	0.29 \| good	3.184 \| good	0.149 \| good
2026-06-10T02:00:00.000Z	54 \| moderate	11.288 \| good	49.97 \| good	43.274 \| good	0.293 \| good	4.488 \| good	0.158 \| good
2026-06-10T03:00:00.000Z	56 \| moderate	11.677 \| good	51.267 \| good	40.564 \| good	0.29 \| good	5.37 \| good	0.162 \| good
2026-06-10T04:00:00.000Z	54 \| moderate	11.271 \| good	49.996 \| good	38.615 \| good	0.298 \| good	6.553 \| good	0.169 \| good
2026-06-10T05:00:00.000Z	52 \| moderate	10.338 \| good	45.922 \| good	36.44 \| good	0.298 \| good	6.581 \| good	0.169 \| good
2026-06-10T06:00:00.000Z	25 \| good	2.692 \| good	2.728 \| good	26.833 \| good	0.299 \| good	5.955 \| good	0.164 \| good
2026-06-10T07:00:00.000Z	54 \| moderate	10.525 \| good	46.724 \| good	31.3 \| good	0.313 \| good	5.489 \| good	0.161 \| good
2026-06-10T08:00:00.000Z	54 \| moderate	10.821 \| good	47.988 \| good	28.909 \| good	0.333 \| good	5.162 \| good	0.159 \| good
2026-06-10T09:00:00.000Z	54 \| moderate	10.839 \| good	47.938 \| good	27.039 \| good	0.356 \| good	5.162 \| good	0.159 \| 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

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Lima, Ohio

Findlay, 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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