What is the current concentration of PM10 in Wilmington, Delaware?

The current PM10 concentration at Wilmington, Delaware is 16.137 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Wilmington, Delaware?

The current sulfur dioxide (SO2) concentration at Wilmington, Delaware is 0.201 ppb.

What is the current concentration of ozone (O3) in Wilmington, Delaware?

The current ozone (O3) concentration at Wilmington, Delaware is 40.085 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Wilmington, Delaware?

The current nitrogen dioxide (NO2) concentration at Wilmington, Delaware is 11.967 ppb.

Live air quality index in Wilmington, Delaware today

Name: Live air pollution levels in Wilmington, Delaware today
Creator: Ambee

Stay updated with real-time air quality in Wilmington, Delaware 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

Wilmington, Delaware

Last updated: ... (Local time)

Major air pollutants in Wilmington, Delaware

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.19 μg/m³

155

255

425

605+

Ozone (O₃)

36.74 ppb

201

201+

Sulfur Dioxide (SO₂)

0.11 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.44 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Wilmington, Delaware

Get Live Pollen Counts

Wilmington, Delaware

Scroll To Air Quality Map

Track live Wilmington, Delaware air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	49 \| good	8.755 \| good	16.223 \| good	47.774 \| good	0.126 \| good	6.387 \| good	0.301 \| good
2025-07-09T20:00:00.000Z	49 \| good	9.373 \| good	18.163 \| good	52.524 \| good	0.218 \| good	5.333 \| good	0.311 \| good
2025-07-09T21:00:00.000Z	52 \| moderate	9.529 \| good	19.145 \| good	55.224 \| fine	0.481 \| good	5.706 \| good	0.335 \| good
2025-07-09T22:00:00.000Z	54 \| moderate	9.564 \| good	17.504 \| good	55.539 \| fine	0.114 \| good	4.71 \| good	0.293 \| good
2025-07-09T23:00:00.000Z	49 \| good	8.926 \| good	17.643 \| good	52.726 \| good	0.316 \| good	6.696 \| good	0.321 \| good
2025-07-10T00:00:00.000Z	44 \| good	7.354 \| good	15.507 \| good	47.996 \| good	0.903 \| good	9.479 \| good	0.346 \| good
2025-07-10T01:00:00.000Z	44 \| good	5.521 \| good	12.877 \| good	46.582 \| good	0.422 \| good	6.31 \| good	0.322 \| good
2025-07-10T02:00:00.000Z	44 \| good	4.551 \| good	9.824 \| good	46.727 \| good	0.353 \| good	4.29 \| good	0.368 \| good
2025-07-10T03:00:00.000Z	38 \| good	4.789 \| good	9.196 \| good	40.951 \| good	0.339 \| good	4.192 \| good	0.368 \| good
2025-07-10T04:00:00.000Z	38 \| good	5.727 \| good	12.065 \| good	40.908 \| good	0.722 \| good	6.681 \| good	0.368 \| good
2025-07-10T05:00:00.000Z	36 \| good	5.979 \| good	12.2 \| good	38.703 \| good	0.35 \| good	11.496 \| good	0.361 \| good
2025-07-10T06:00:00.000Z	36 \| good	5.904 \| good	12.111 \| good	39.401 \| good	0.313 \| good	9.491 \| good	0.321 \| good
2025-07-10T07:00:00.000Z	34 \| good	5.808 \| good	12.457 \| good	37.234 \| good	0.33 \| good	6.948 \| good	0.293 \| good
2025-07-10T08:00:00.000Z	33 \| good	6.162 \| good	13.053 \| good	35.211 \| good	0.346 \| good	5.887 \| good	0.268 \| good
2025-07-10T09:00:00.000Z	38 \| good	7.109 \| good	14.717 \| good	33.389 \| good	0.405 \| good	6.712 \| good	0.24 \| good
2025-07-10T10:00:00.000Z	38 \| good	7.355 \| good	14.391 \| good	35.229 \| good	0.391 \| good	9.11 \| good	0.268 \| good
2025-07-10T11:00:00.000Z	44 \| good	7.755 \| good	16.827 \| good	35.976 \| good	0.403 \| good	10.122 \| good	0.34 \| good
2025-07-10T12:00:00.000Z	44 \| good	8.057 \| good	17.286 \| good	27.466 \| good	0.355 \| good	7.458 \| good	0.365 \| good
2025-07-10T13:00:00.000Z	44 \| good	7.522 \| good	16.91 \| good	25.496 \| good	0.309 \| good	4.463 \| good	0.4 \| good
2025-07-10T14:00:00.000Z	44 \| good	7.515 \| good	16.15 \| good	27.609 \| good	0.116 \| good	5.048 \| good	0.386 \| good
2025-07-10T15:00:00.000Z	44 \| good	7.504 \| good	16.265 \| good	29.297 \| good	0.374 \| good	6.112 \| good	0.361 \| good
2025-07-10T16:00:00.000Z	44 \| good	7.616 \| good	17.094 \| good	33.207 \| good	0.475 \| good	7.701 \| good	0.419 \| good
2025-07-10T17:00:00.000Z	44 \| good	7.542 \| good	17.451 \| good	34.703 \| good	0.374 \| good	8.283 \| good	0.397 \| good
2025-07-10T18:00:00.000Z	38 \| good	7.428 \| good	16.137 \| good	40.085 \| good	0.201 \| good	11.967 \| good	0.46 \| good
2025-07-10T19:00:00.000Z	39 \| good	7.232 \| good	15.143 \| good	42.082 \| good	0.246 \| good	8.738 \| good	0.376 \| good
2025-07-10T20:00:00.000Z	40 \| good	7.039 \| good	15.376 \| good	42.874 \| good	0.228 \| good	7.189 \| good	0.315 \| good
2025-07-10T21:00:00.000Z	44 \| good	7.1 \| good	15.071 \| good	47.713 \| good	0.242 \| good	6.119 \| good	0.315 \| good
2025-07-10T22:00:00.000Z	49 \| good	6.992 \| good	15.818 \| good	52.972 \| good	0.214 \| good	3.221 \| good	0.351 \| good
2025-07-10T23:00:00.000Z	51 \| moderate	6.798 \| good	15.213 \| good	55.142 \| fine	0.138 \| good	2.432 \| good	0.404 \| good
2025-07-11T00:00:00.000Z	47 \| good	6.021 \| good	13.514 \| good	50.592 \| good	0.322 \| good	4.185 \| good	0.386 \| good
2025-07-11T01:00:00.000Z	44 \| good	4.881 \| good	13.266 \| good	48.035 \| good	0.37 \| good	6.24 \| good	0.358 \| good
2025-07-11T02:00:00.000Z	40 \| good	4.35 \| good	11.675 \| good	42.824 \| good	0.355 \| good	6.404 \| good	0.336 \| good
2025-07-11T03:00:00.000Z	32 \| good	3.839 \| good	9.577 \| good	34.737 \| good	0.378 \| good	9.424 \| good	0.301 \| good
2025-07-11T04:00:00.000Z	32 \| good	3.73 \| good	10.095 \| good	34.536 \| good	0.379 \| good	10.345 \| good	0.308 \| good
2025-07-11T05:00:00.000Z	29 \| good	3.756 \| good	9.102 \| good	30.537 \| good	0.356 \| good	9.77 \| good	0.34 \| good
2025-07-11T06:00:00.000Z	22 \| good	3.956 \| good	10.306 \| good	22.082 \| good	0.357 \| good	6.855 \| good	0.322 \| good
2025-07-11T07:00:00.000Z	27 \| good	4.635 \| good	12.076 \| good	22.038 \| good	0.321 \| good	8.526 \| good	0.35 \| good
2025-07-11T08:00:00.000Z	27 \| good	4.69 \| good	12.587 \| good	19.299 \| good	0.372 \| good	9.028 \| good	0.328 \| good
2025-07-11T09:00:00.000Z	33 \| good	5.885 \| good	13.191 \| good	17.878 \| good	0.303 \| good	7.88 \| good	0.346 \| good
2025-07-11T10:00:00.000Z	33 \| good	6.333 \| good	13.581 \| good	15.265 \| good	0.298 \| good	9.051 \| good	0.368 \| good
2025-07-11T11:00:00.000Z	33 \| good	6.411 \| good	13.65 \| good	19.845 \| good	0.335 \| good	8.046 \| good	0.368 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.326 \| good	13.513 \| good	19.903 \| good	0.297 \| good	10.204 \| good	0.506 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.708 \| good	14.165 \| good	22.882 \| good	0.18 \| good	8.571 \| good	0.422 \| good
2025-07-11T14:00:00.000Z	38 \| good	7.357 \| good	15.533 \| good	22.085 \| good	0.176 \| good	8.385 \| good	0.436 \| good
2025-07-11T15:00:00.000Z	44 \| good	7.621 \| good	15.351 \| good	27.088 \| good	0.262 \| good	10.356 \| good	0.461 \| good
2025-07-11T16:00:00.000Z	44 \| good	7.507 \| good	15.65 \| good	32.212 \| good	0.29 \| good	7.975 \| good	0.414 \| good
2025-07-11T17:00:00.000Z	44 \| good	7.74 \| good	20.189 \| good	36.738 \| good	0.113 \| good	7.247 \| good	0.442 \| good
2025-07-11T18:00:00.000Z	44 \| good	7.78 \| good	20.181 \| good	44.504 \| good	0.203 \| good	5.902 \| good	0.447 \| good
2025-07-11T18:00:00.000Z	44 \| good	7.74 \| good	20.189 \| good	36.738 \| good	0.113 \| good	7.247 \| good	0.442 \| good
2025-07-10T20:00:00.000Z	49 \| good	9.494 \| good	42.105 \| good	51.793 \| good	2.501 \| good	1.748 \| good	0.188 \| good
2025-07-10T21:00:00.000Z	44 \| good	8.272 \| good	36.153 \| good	46.194 \| good	2.447 \| good	1.829 \| good	0.187 \| good
2025-07-10T22:00:00.000Z	49 \| good	8.573 \| good	37.106 \| good	43.098 \| good	2.31 \| good	4.689 \| good	0.216 \| good
2025-07-10T23:00:00.000Z	49 \| good	9.027 \| good	40.817 \| good	39.475 \| good	2.172 \| good	7.549 \| good	0.246 \| good
2025-07-11T00:00:00.000Z	49 \| good	8.717 \| good	38.031 \| good	33.884 \| good	2.034 \| good	10.409 \| good	0.276 \| good
2025-07-11T01:00:00.000Z	49 \| good	9.106 \| good	40.842 \| good	31.485 \| good	2.024 \| good	10.515 \| good	0.281 \| good
2025-07-11T02:00:00.000Z	44 \| good	8.095 \| good	35.145 \| good	26.755 \| good	2.015 \| good	10.62 \| good	0.285 \| good
2025-07-11T03:00:00.000Z	44 \| good	8.066 \| good	35.144 \| good	20.795 \| good	2.005 \| good	10.725 \| good	0.29 \| good
2025-07-11T04:00:00.000Z	44 \| good	8.257 \| good	36.105 \| good	20.72 \| good	1.989 \| good	10.103 \| good	0.288 \| good
2025-07-11T05:00:00.000Z	49 \| good	8.636 \| good	37.974 \| good	17.213 \| good	1.973 \| good	9.48 \| good	0.285 \| good
2025-07-11T06:00:00.000Z	49 \| good	9.066 \| good	40.835 \| good	15.666 \| good	1.956 \| good	8.858 \| good	0.283 \| good
2025-07-11T07:00:00.000Z	49 \| good	9.355 \| good	41.938 \| good	16.133 \| good	2.077 \| good	9.614 \| good	0.293 \| good
2025-07-11T08:00:00.000Z	49 \| good	9.164 \| good	40.996 \| good	16.231 \| good	2.198 \| good	10.37 \| good	0.303 \| good
2025-07-11T09:00:00.000Z	52 \| moderate	9.938 \| good	44.073 \| good	13.24 \| good	2.319 \| good	11.126 \| good	0.312 \| good
2025-07-11T10:00:00.000Z	54 \| moderate	11.241 \| good	49.98 \| good	15.518 \| good	2.212 \| good	10.105 \| good	0.318 \| good
2025-07-11T11:00:00.000Z	52 \| moderate	10.253 \| good	45.27 \| good	20.785 \| good	2.104 \| good	9.084 \| good	0.324 \| good
2025-07-11T12:00:00.000Z	52 \| moderate	10.055 \| good	45.059 \| good	32.013 \| good	1.997 \| good	8.062 \| good	0.33 \| good
2025-07-11T13:00:00.000Z	52 \| moderate	10.038 \| good	45.093 \| good	40.615 \| good	2.439 \| good	6.166 \| good	0.297 \| good
2025-07-11T14:00:00.000Z	52 \| moderate	10.294 \| good	45.19 \| good	48.39 \| good	2.882 \| good	4.269 \| good	0.265 \| good
2025-07-11T15:00:00.000Z	58 \| moderate	11.321 \| good	50.211 \| good	57.449 \| fine	3.324 \| good	2.373 \| good	0.232 \| good
2025-07-11T16:00:00.000Z	84 \| moderate	11.395 \| good	50.275 \| good	65.377 \| fine	2.914 \| good	2.042 \| good	0.224 \| good
2025-07-11T17:00:00.000Z	80 \| moderate	11.592 \| good	51.238 \| good	64.48 \| fine	2.505 \| good	1.711 \| good	0.215 \| good
2025-07-11T18:00:00.000Z	71 \| moderate	11.075 \| good	49.17 \| good	60.683 \| fine	2.095 \| good	1.38 \| good	0.207 \| good
2025-07-11T19:00:00.000Z	54 \| moderate	10.229 \| good	45.129 \| good	55.543 \| fine	1.938 \| good	1.51 \| good	0.207 \| good
2025-07-11T20:00:00.000Z	54 \| moderate	10.556 \| good	46.864 \| good	52.609 \| good	1.781 \| good	1.64 \| good	0.207 \| good
2025-07-11T21:00:00.000Z	52 \| moderate	9.749 \| good	43.009 \| good	46.128 \| good	1.624 \| good	1.77 \| good	0.207 \| good
2025-07-11T22:00:00.000Z	49 \| good	8.595 \| good	37.154 \| good	37.146 \| good	1.52 \| good	3.207 \| good	0.22 \| good
2025-07-11T23:00:00.000Z	44 \| good	7.994 \| good	34.977 \| good	34.619 \| good	1.417 \| good	4.643 \| good	0.232 \| good
2025-07-12T00:00:00.000Z	38 \| good	7.337 \| good	31.949 \| good	29.869 \| good	1.313 \| good	6.08 \| good	0.244 \| good
2025-07-12T01:00:00.000Z	33 \| good	6.24 \| good	27.955 \| good	27.658 \| good	1.235 \| good	6.548 \| good	0.248 \| good
2025-07-12T02:00:00.000Z	27 \| good	5.448 \| good	23.151 \| good	25.407 \| good	1.157 \| good	7.016 \| good	0.251 \| good
2025-07-12T03:00:00.000Z	33 \| good	6.29 \| good	28.144 \| good	20.981 \| good	1.078 \| good	7.485 \| good	0.254 \| good
2025-07-12T04:00:00.000Z	62 \| moderate	14.929 \| fine	66.659 \| fine	19.277 \| good	1.042 \| good	7.978 \| good	0.259 \| good
2025-07-12T05:00:00.000Z	58 \| moderate	12.83 \| fine	57.092 \| fine	17.615 \| good	1.005 \| good	8.471 \| good	0.263 \| good
2025-07-12T06:00:00.000Z	56 \| moderate	11.904 \| good	52.193 \| good	16.542 \| good	0.968 \| good	8.964 \| good	0.268 \| good
2025-07-12T07:00:00.000Z	58 \| moderate	13.317 \| fine	60.6 \| fine	16.049 \| good	0.759 \| good	8.852 \| good	0.271 \| good
2025-07-12T08:00:00.000Z	60 \| moderate	13.993 \| fine	62.547 \| fine	17.528 \| good	0.549 \| good	8.74 \| good	0.275 \| good
2025-07-12T09:00:00.000Z	38 \| good	7.149 \| good	32.075 \| good	19.324 \| good	0.34 \| good	8.628 \| good	0.279 \| good
2025-07-12T10:00:00.000Z	49 \| good	8.706 \| good	38.042 \| good	24.165 \| good	0.359 \| good	7.413 \| good	0.265 \| good
2025-07-12T11:00:00.000Z	49 \| good	8.926 \| good	39.07 \| good	25.894 \| good	0.377 \| good	6.198 \| good	0.252 \| good
2025-07-12T12:00:00.000Z	52 \| moderate	10.223 \| good	44.862 \| good	30.238 \| good	0.396 \| good	4.983 \| good	0.239 \| good
2025-07-12T13:00:00.000Z	54 \| moderate	10.76 \| good	47.779 \| good	35.634 \| good	0.585 \| good	4.241 \| good	0.227 \| good
2025-07-12T14:00:00.000Z	52 \| moderate	10.178 \| good	44.921 \| good	43.563 \| good	0.774 \| good	3.5 \| good	0.215 \| good
2025-07-12T15:00:00.000Z	52 \| moderate	10.202 \| good	45.071 \| good	53.732 \| good	0.963 \| good	2.758 \| good	0.203 \| good
2025-07-12T16:00:00.000Z	67 \| moderate	9.517 \| good	42.12 \| good	59.56 \| fine	0.953 \| good	2.307 \| good	0.201 \| good
2025-07-12T17:00:00.000Z	67 \| moderate	8.909 \| good	39.122 \| good	59.736 \| fine	0.943 \| good	1.856 \| good	0.199 \| good
2025-07-12T18:00:00.000Z	58 \| moderate	8.204 \| good	36.067 \| good	56.638 \| fine	0.933 \| good	1.405 \| good	0.197 \| good
2025-07-12T19:00:00.000Z	47 \| good	7.922 \| good	34.951 \| good	51.348 \| good	0.927 \| good	1.553 \| good	0.196 \| good

Wilmington

Get reliable air quality data to drive your business

Wilmington, Delaware air quality map: Track AQI near you

0.44ppm

How accurate is Delaware, USA air quality data?

Air quality data and pollutant measurements for Delaware, 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 Wilmington, Delaware updated?

The air quality for Wilmington, Delaware is updated every hour.

When was the worst air quality at Wilmington, Delaware in the last 24 hrs?

The worst air quality in Wilmington, Delaware in the last 24 hours was observed at 10:00:00 on 2025-07-09.

When was the best air quality at Wilmington, Delaware in the last 24 hrs?

In the last 24 hrs, the best air quality in Wilmington, Delaware was observed at 08:00:00 on 2025-07-10.

What is the current air quality in Wilmington, Delaware?

The current air quality in Wilmington, Delaware is 38, categorized as Good based on real-time data.

What pollutant is the most common in Wilmington, Delaware?

The most common pollutant in Wilmington, Delaware is PM2.5.

What should I do if the air quality in Wilmington, Delaware is poor?

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

What is the current concentration of PM_2.5 in Wilmington, Delaware?

The current PM_2.5 concentration at Wilmington, Delaware is 7.428 μg/m³.

What is the current concentration of PM₁₀ in Wilmington, Delaware?

The current PM₁₀ concentration at Wilmington, Delaware is 16.137 μg/m³.

What is the current concentration of carbon monoxide (CO) in Wilmington, Delaware?

The current carbon monoxide (CO) concentration at Wilmington, Delaware is 0.46 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Wilmington, Delaware?

The current sulfur dioxide (SO₂) concentration at Wilmington, Delaware is 0.201 ppb.

What is the current concentration of ozone (O₃) in Wilmington, Delaware?

The current ozone (O₃) concentration at Wilmington, Delaware is 40.085 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Wilmington, Delaware?

The current nitrogen dioxide (NO₂) concentration at Wilmington, Delaware is 11.967 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	49 \| good	8.755 \| good	16.223 \| good	47.774 \| good	0.126 \| good	6.387 \| good	0.301 \| good
2025-07-09T20:00:00.000Z	49 \| good	9.373 \| good	18.163 \| good	52.524 \| good	0.218 \| good	5.333 \| good	0.311 \| good
2025-07-09T21:00:00.000Z	52 \| moderate	9.529 \| good	19.145 \| good	55.224 \| fine	0.481 \| good	5.706 \| good	0.335 \| good
2025-07-09T22:00:00.000Z	54 \| moderate	9.564 \| good	17.504 \| good	55.539 \| fine	0.114 \| good	4.71 \| good	0.293 \| good
2025-07-09T23:00:00.000Z	49 \| good	8.926 \| good	17.643 \| good	52.726 \| good	0.316 \| good	6.696 \| good	0.321 \| good
2025-07-10T00:00:00.000Z	44 \| good	7.354 \| good	15.507 \| good	47.996 \| good	0.903 \| good	9.479 \| good	0.346 \| good
2025-07-10T01:00:00.000Z	44 \| good	5.521 \| good	12.877 \| good	46.582 \| good	0.422 \| good	6.31 \| good	0.322 \| good
2025-07-10T02:00:00.000Z	44 \| good	4.551 \| good	9.824 \| good	46.727 \| good	0.353 \| good	4.29 \| good	0.368 \| good
2025-07-10T03:00:00.000Z	38 \| good	4.789 \| good	9.196 \| good	40.951 \| good	0.339 \| good	4.192 \| good	0.368 \| good
2025-07-10T04:00:00.000Z	38 \| good	5.727 \| good	12.065 \| good	40.908 \| good	0.722 \| good	6.681 \| good	0.368 \| good
2025-07-10T05:00:00.000Z	36 \| good	5.979 \| good	12.2 \| good	38.703 \| good	0.35 \| good	11.496 \| good	0.361 \| good
2025-07-10T06:00:00.000Z	36 \| good	5.904 \| good	12.111 \| good	39.401 \| good	0.313 \| good	9.491 \| good	0.321 \| good
2025-07-10T07:00:00.000Z	34 \| good	5.808 \| good	12.457 \| good	37.234 \| good	0.33 \| good	6.948 \| good	0.293 \| good
2025-07-10T08:00:00.000Z	33 \| good	6.162 \| good	13.053 \| good	35.211 \| good	0.346 \| good	5.887 \| good	0.268 \| good
2025-07-10T09:00:00.000Z	38 \| good	7.109 \| good	14.717 \| good	33.389 \| good	0.405 \| good	6.712 \| good	0.24 \| good
2025-07-10T10:00:00.000Z	38 \| good	7.355 \| good	14.391 \| good	35.229 \| good	0.391 \| good	9.11 \| good	0.268 \| good
2025-07-10T11:00:00.000Z	44 \| good	7.755 \| good	16.827 \| good	35.976 \| good	0.403 \| good	10.122 \| good	0.34 \| good
2025-07-10T12:00:00.000Z	44 \| good	8.057 \| good	17.286 \| good	27.466 \| good	0.355 \| good	7.458 \| good	0.365 \| good
2025-07-10T13:00:00.000Z	44 \| good	7.522 \| good	16.91 \| good	25.496 \| good	0.309 \| good	4.463 \| good	0.4 \| good
2025-07-10T14:00:00.000Z	44 \| good	7.515 \| good	16.15 \| good	27.609 \| good	0.116 \| good	5.048 \| good	0.386 \| good
2025-07-10T15:00:00.000Z	44 \| good	7.504 \| good	16.265 \| good	29.297 \| good	0.374 \| good	6.112 \| good	0.361 \| good
2025-07-10T16:00:00.000Z	44 \| good	7.616 \| good	17.094 \| good	33.207 \| good	0.475 \| good	7.701 \| good	0.419 \| good
2025-07-10T17:00:00.000Z	44 \| good	7.542 \| good	17.451 \| good	34.703 \| good	0.374 \| good	8.283 \| good	0.397 \| good
2025-07-10T18:00:00.000Z	38 \| good	7.428 \| good	16.137 \| good	40.085 \| good	0.201 \| good	11.967 \| good	0.46 \| good
2025-07-10T19:00:00.000Z	39 \| good	7.232 \| good	15.143 \| good	42.082 \| good	0.246 \| good	8.738 \| good	0.376 \| good
2025-07-10T20:00:00.000Z	40 \| good	7.039 \| good	15.376 \| good	42.874 \| good	0.228 \| good	7.189 \| good	0.315 \| good
2025-07-10T21:00:00.000Z	44 \| good	7.1 \| good	15.071 \| good	47.713 \| good	0.242 \| good	6.119 \| good	0.315 \| good
2025-07-10T22:00:00.000Z	49 \| good	6.992 \| good	15.818 \| good	52.972 \| good	0.214 \| good	3.221 \| good	0.351 \| good
2025-07-10T23:00:00.000Z	51 \| moderate	6.798 \| good	15.213 \| good	55.142 \| fine	0.138 \| good	2.432 \| good	0.404 \| good
2025-07-11T00:00:00.000Z	47 \| good	6.021 \| good	13.514 \| good	50.592 \| good	0.322 \| good	4.185 \| good	0.386 \| good
2025-07-11T01:00:00.000Z	44 \| good	4.881 \| good	13.266 \| good	48.035 \| good	0.37 \| good	6.24 \| good	0.358 \| good
2025-07-11T02:00:00.000Z	40 \| good	4.35 \| good	11.675 \| good	42.824 \| good	0.355 \| good	6.404 \| good	0.336 \| good
2025-07-11T03:00:00.000Z	32 \| good	3.839 \| good	9.577 \| good	34.737 \| good	0.378 \| good	9.424 \| good	0.301 \| good
2025-07-11T04:00:00.000Z	32 \| good	3.73 \| good	10.095 \| good	34.536 \| good	0.379 \| good	10.345 \| good	0.308 \| good
2025-07-11T05:00:00.000Z	29 \| good	3.756 \| good	9.102 \| good	30.537 \| good	0.356 \| good	9.77 \| good	0.34 \| good
2025-07-11T06:00:00.000Z	22 \| good	3.956 \| good	10.306 \| good	22.082 \| good	0.357 \| good	6.855 \| good	0.322 \| good
2025-07-11T07:00:00.000Z	27 \| good	4.635 \| good	12.076 \| good	22.038 \| good	0.321 \| good	8.526 \| good	0.35 \| good
2025-07-11T08:00:00.000Z	27 \| good	4.69 \| good	12.587 \| good	19.299 \| good	0.372 \| good	9.028 \| good	0.328 \| good
2025-07-11T09:00:00.000Z	33 \| good	5.885 \| good	13.191 \| good	17.878 \| good	0.303 \| good	7.88 \| good	0.346 \| good
2025-07-11T10:00:00.000Z	33 \| good	6.333 \| good	13.581 \| good	15.265 \| good	0.298 \| good	9.051 \| good	0.368 \| good
2025-07-11T11:00:00.000Z	33 \| good	6.411 \| good	13.65 \| good	19.845 \| good	0.335 \| good	8.046 \| good	0.368 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.326 \| good	13.513 \| good	19.903 \| good	0.297 \| good	10.204 \| good	0.506 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.708 \| good	14.165 \| good	22.882 \| good	0.18 \| good	8.571 \| good	0.422 \| good
2025-07-11T14:00:00.000Z	38 \| good	7.357 \| good	15.533 \| good	22.085 \| good	0.176 \| good	8.385 \| good	0.436 \| good
2025-07-11T15:00:00.000Z	44 \| good	7.621 \| good	15.351 \| good	27.088 \| good	0.262 \| good	10.356 \| good	0.461 \| good
2025-07-11T16:00:00.000Z	44 \| good	7.507 \| good	15.65 \| good	32.212 \| good	0.29 \| good	7.975 \| good	0.414 \| good
2025-07-11T17:00:00.000Z	44 \| good	7.74 \| good	20.189 \| good	36.738 \| good	0.113 \| good	7.247 \| good	0.442 \| good
2025-07-11T18:00:00.000Z	44 \| good	7.78 \| good	20.181 \| good	44.504 \| good	0.203 \| good	5.902 \| good	0.447 \| good
2025-07-11T18:00:00.000Z	44 \| good	7.74 \| good	20.189 \| good	36.738 \| good	0.113 \| good	7.247 \| good	0.442 \| good
2025-07-10T20:00:00.000Z	49 \| good	9.494 \| good	42.105 \| good	51.793 \| good	2.501 \| good	1.748 \| good	0.188 \| good
2025-07-10T21:00:00.000Z	44 \| good	8.272 \| good	36.153 \| good	46.194 \| good	2.447 \| good	1.829 \| good	0.187 \| good
2025-07-10T22:00:00.000Z	49 \| good	8.573 \| good	37.106 \| good	43.098 \| good	2.31 \| good	4.689 \| good	0.216 \| good
2025-07-10T23:00:00.000Z	49 \| good	9.027 \| good	40.817 \| good	39.475 \| good	2.172 \| good	7.549 \| good	0.246 \| good
2025-07-11T00:00:00.000Z	49 \| good	8.717 \| good	38.031 \| good	33.884 \| good	2.034 \| good	10.409 \| good	0.276 \| good
2025-07-11T01:00:00.000Z	49 \| good	9.106 \| good	40.842 \| good	31.485 \| good	2.024 \| good	10.515 \| good	0.281 \| good
2025-07-11T02:00:00.000Z	44 \| good	8.095 \| good	35.145 \| good	26.755 \| good	2.015 \| good	10.62 \| good	0.285 \| good
2025-07-11T03:00:00.000Z	44 \| good	8.066 \| good	35.144 \| good	20.795 \| good	2.005 \| good	10.725 \| good	0.29 \| good
2025-07-11T04:00:00.000Z	44 \| good	8.257 \| good	36.105 \| good	20.72 \| good	1.989 \| good	10.103 \| good	0.288 \| good
2025-07-11T05:00:00.000Z	49 \| good	8.636 \| good	37.974 \| good	17.213 \| good	1.973 \| good	9.48 \| good	0.285 \| good
2025-07-11T06:00:00.000Z	49 \| good	9.066 \| good	40.835 \| good	15.666 \| good	1.956 \| good	8.858 \| good	0.283 \| good
2025-07-11T07:00:00.000Z	49 \| good	9.355 \| good	41.938 \| good	16.133 \| good	2.077 \| good	9.614 \| good	0.293 \| good
2025-07-11T08:00:00.000Z	49 \| good	9.164 \| good	40.996 \| good	16.231 \| good	2.198 \| good	10.37 \| good	0.303 \| good
2025-07-11T09:00:00.000Z	52 \| moderate	9.938 \| good	44.073 \| good	13.24 \| good	2.319 \| good	11.126 \| good	0.312 \| good
2025-07-11T10:00:00.000Z	54 \| moderate	11.241 \| good	49.98 \| good	15.518 \| good	2.212 \| good	10.105 \| good	0.318 \| good
2025-07-11T11:00:00.000Z	52 \| moderate	10.253 \| good	45.27 \| good	20.785 \| good	2.104 \| good	9.084 \| good	0.324 \| good
2025-07-11T12:00:00.000Z	52 \| moderate	10.055 \| good	45.059 \| good	32.013 \| good	1.997 \| good	8.062 \| good	0.33 \| good
2025-07-11T13:00:00.000Z	52 \| moderate	10.038 \| good	45.093 \| good	40.615 \| good	2.439 \| good	6.166 \| good	0.297 \| good
2025-07-11T14:00:00.000Z	52 \| moderate	10.294 \| good	45.19 \| good	48.39 \| good	2.882 \| good	4.269 \| good	0.265 \| good
2025-07-11T15:00:00.000Z	58 \| moderate	11.321 \| good	50.211 \| good	57.449 \| fine	3.324 \| good	2.373 \| good	0.232 \| good
2025-07-11T16:00:00.000Z	84 \| moderate	11.395 \| good	50.275 \| good	65.377 \| fine	2.914 \| good	2.042 \| good	0.224 \| good
2025-07-11T17:00:00.000Z	80 \| moderate	11.592 \| good	51.238 \| good	64.48 \| fine	2.505 \| good	1.711 \| good	0.215 \| good
2025-07-11T18:00:00.000Z	71 \| moderate	11.075 \| good	49.17 \| good	60.683 \| fine	2.095 \| good	1.38 \| good	0.207 \| good
2025-07-11T19:00:00.000Z	54 \| moderate	10.229 \| good	45.129 \| good	55.543 \| fine	1.938 \| good	1.51 \| good	0.207 \| good
2025-07-11T20:00:00.000Z	54 \| moderate	10.556 \| good	46.864 \| good	52.609 \| good	1.781 \| good	1.64 \| good	0.207 \| good
2025-07-11T21:00:00.000Z	52 \| moderate	9.749 \| good	43.009 \| good	46.128 \| good	1.624 \| good	1.77 \| good	0.207 \| good
2025-07-11T22:00:00.000Z	49 \| good	8.595 \| good	37.154 \| good	37.146 \| good	1.52 \| good	3.207 \| good	0.22 \| good
2025-07-11T23:00:00.000Z	44 \| good	7.994 \| good	34.977 \| good	34.619 \| good	1.417 \| good	4.643 \| good	0.232 \| good
2025-07-12T00:00:00.000Z	38 \| good	7.337 \| good	31.949 \| good	29.869 \| good	1.313 \| good	6.08 \| good	0.244 \| good
2025-07-12T01:00:00.000Z	33 \| good	6.24 \| good	27.955 \| good	27.658 \| good	1.235 \| good	6.548 \| good	0.248 \| good
2025-07-12T02:00:00.000Z	27 \| good	5.448 \| good	23.151 \| good	25.407 \| good	1.157 \| good	7.016 \| good	0.251 \| good
2025-07-12T03:00:00.000Z	33 \| good	6.29 \| good	28.144 \| good	20.981 \| good	1.078 \| good	7.485 \| good	0.254 \| good
2025-07-12T04:00:00.000Z	62 \| moderate	14.929 \| fine	66.659 \| fine	19.277 \| good	1.042 \| good	7.978 \| good	0.259 \| good
2025-07-12T05:00:00.000Z	58 \| moderate	12.83 \| fine	57.092 \| fine	17.615 \| good	1.005 \| good	8.471 \| good	0.263 \| good
2025-07-12T06:00:00.000Z	56 \| moderate	11.904 \| good	52.193 \| good	16.542 \| good	0.968 \| good	8.964 \| good	0.268 \| good
2025-07-12T07:00:00.000Z	58 \| moderate	13.317 \| fine	60.6 \| fine	16.049 \| good	0.759 \| good	8.852 \| good	0.271 \| good
2025-07-12T08:00:00.000Z	60 \| moderate	13.993 \| fine	62.547 \| fine	17.528 \| good	0.549 \| good	8.74 \| good	0.275 \| good
2025-07-12T09:00:00.000Z	38 \| good	7.149 \| good	32.075 \| good	19.324 \| good	0.34 \| good	8.628 \| good	0.279 \| good
2025-07-12T10:00:00.000Z	49 \| good	8.706 \| good	38.042 \| good	24.165 \| good	0.359 \| good	7.413 \| good	0.265 \| good
2025-07-12T11:00:00.000Z	49 \| good	8.926 \| good	39.07 \| good	25.894 \| good	0.377 \| good	6.198 \| good	0.252 \| good
2025-07-12T12:00:00.000Z	52 \| moderate	10.223 \| good	44.862 \| good	30.238 \| good	0.396 \| good	4.983 \| good	0.239 \| good
2025-07-12T13:00:00.000Z	54 \| moderate	10.76 \| good	47.779 \| good	35.634 \| good	0.585 \| good	4.241 \| good	0.227 \| good
2025-07-12T14:00:00.000Z	52 \| moderate	10.178 \| good	44.921 \| good	43.563 \| good	0.774 \| good	3.5 \| good	0.215 \| good
2025-07-12T15:00:00.000Z	52 \| moderate	10.202 \| good	45.071 \| good	53.732 \| good	0.963 \| good	2.758 \| good	0.203 \| good
2025-07-12T16:00:00.000Z	67 \| moderate	9.517 \| good	42.12 \| good	59.56 \| fine	0.953 \| good	2.307 \| good	0.201 \| good
2025-07-12T17:00:00.000Z	67 \| moderate	8.909 \| good	39.122 \| good	59.736 \| fine	0.943 \| good	1.856 \| good	0.199 \| good
2025-07-12T18:00:00.000Z	58 \| moderate	8.204 \| good	36.067 \| good	56.638 \| fine	0.933 \| good	1.405 \| good	0.197 \| good
2025-07-12T19:00:00.000Z	47 \| good	7.922 \| good	34.951 \| good	51.348 \| good	0.927 \| good	1.553 \| good	0.196 \| good

Live air quality index in Wilmington, Delaware today

Major air pollutants in Wilmington, Delaware

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Wilmington, Delaware air quality map: Track AQI near you

Air quality in nearby cities

Pennsville, New Jersey

Pike Creek Valley, Delaware

Hockessin, Delaware

Upper Chichester, Pennsylvania

Concord Township, Pennsylvania

Bear, Delaware

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Frequently asked questions

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What is the current concentration of sulfur dioxide (SO2) in Wilmington, Delaware?

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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 Wilmington, Delaware?

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