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

The current PM10 concentration at Wilmington, Delaware is 27.439 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Wilmington, Delaware is 0.472 ppb.

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

The current ozone (O3) concentration at Wilmington, Delaware is 39.316 ppm.

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

The current nitrogen dioxide (NO2) concentration at Wilmington, Delaware is 2.974 ppb.

Wilmington, Delaware live air quality index now

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)

Moderate

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)

10.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.02 μg/m³

155

255

425

605+

Ozone (O₃)

51.51 ppb

201

201+

Sulfur Dioxide (SO₂)

0.23 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 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
2025-07-29T02:00:00.000Z	44 \| good	8.496 \| good	16.865 \| good	46.186 \| good	0.505 \| good	6.412 \| good	0.437 \| good
2025-07-29T03:00:00.000Z	49 \| good	8.781 \| good	17.269 \| good	41.85 \| good	0.505 \| good	7.695 \| good	0.452 \| good
2025-07-29T04:00:00.000Z	49 \| good	8.964 \| good	18.147 \| good	41.733 \| good	0.227 \| good	12.654 \| good	0.476 \| good
2025-07-29T05:00:00.000Z	49 \| good	8.912 \| good	17.785 \| good	39.006 \| good	0.24 \| good	11.691 \| good	0.439 \| good
2025-07-29T06:00:00.000Z	49 \| good	9.088 \| good	18.811 \| good	31.569 \| good	0.59 \| good	13.503 \| good	0.46 \| good
2025-07-29T07:00:00.000Z	49 \| good	9.097 \| good	18.008 \| good	27.82 \| good	0.915 \| good	12.976 \| good	0.392 \| good
2025-07-29T08:00:00.000Z	49 \| good	9.212 \| good	18.107 \| good	24.967 \| good	0.878 \| good	16.064 \| good	0.392 \| good
2025-07-29T09:00:00.000Z	49 \| good	9.34 \| good	18.644 \| good	20.953 \| good	0.837 \| good	9.586 \| good	0.392 \| good
2025-07-29T10:00:00.000Z	49 \| good	9.243 \| good	18.091 \| good	19.949 \| good	0.545 \| good	8.23 \| good	0.404 \| good
2025-07-29T11:00:00.000Z	49 \| good	9.42 \| good	17.684 \| good	17.96 \| good	0.889 \| good	7.904 \| good	0.48 \| good
2025-07-29T12:00:00.000Z	49 \| good	9.433 \| good	18.508 \| good	20.491 \| good	0.751 \| good	12.947 \| good	0.479 \| good
2025-07-29T13:00:00.000Z	52 \| moderate	9.756 \| good	19.428 \| good	21.266 \| good	0.248 \| good	11.901 \| good	0.457 \| good
2025-07-29T14:00:00.000Z	52 \| moderate	9.75 \| good	19.474 \| good	25.905 \| good	0.343 \| good	9.414 \| good	0.511 \| good
2025-07-29T15:00:00.000Z	52 \| moderate	9.83 \| good	19.396 \| good	29.818 \| good	0.11 \| good	7.149 \| good	0.45 \| good
2025-07-29T16:00:00.000Z	52 \| moderate	9.942 \| good	20.291 \| good	34.518 \| good	0.806 \| good	9.886 \| good	0.381 \| good
2025-07-29T17:00:00.000Z	52 \| moderate	10.041 \| good	20.341 \| good	40.376 \| good	0.512 \| good	8.12 \| good	0.328 \| good
2025-07-29T18:00:00.000Z	52 \| moderate	10.012 \| good	18.979 \| good	42.808 \| good	0.825 \| good	7.353 \| good	0.328 \| good
2025-07-29T19:00:00.000Z	52 \| moderate	10.06 \| good	19.145 \| good	46.591 \| good	0.577 \| good	7.397 \| good	0.294 \| good
2025-07-29T20:00:00.000Z	54 \| moderate	10.521 \| good	19.103 \| good	50.39 \| good	0.391 \| good	6.048 \| good	0.294 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	10.473 \| good	19.75 \| good	51.284 \| good	0.392 \| good	3.247 \| good	0.24 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.747 \| good	20.149 \| good	51.979 \| good	0.399 \| good	2.636 \| good	0.283 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	10.917 \| good	21.466 \| good	51.994 \| good	0.401 \| good	3.309 \| good	0.301 \| good
2025-07-30T00:00:00.000Z	54 \| moderate	10.847 \| good	20.037 \| good	52.7 \| good	0.381 \| good	6.307 \| good	0.419 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.72 \| good	20.403 \| good	51.695 \| good	0.384 \| good	8.571 \| good	0.418 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.889 \| good	19.026 \| good	48.752 \| good	0.306 \| good	8.854 \| good	0.383 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	23.647 \| fine	102.917 \| fine	34.368 \| good	1.56 \| good	8.241 \| good	0.284 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	10.586 \| good	19.624 \| good	42.638 \| good	0.343 \| good	10.937 \| good	0.383 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.639 \| good	19.363 \| good	41.658 \| good	0.252 \| good	15.713 \| good	0.383 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	10.736 \| good	19.259 \| good	38.638 \| good	0.259 \| good	17.519 \| good	0.415 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	10.76 \| good	20.027 \| good	39.271 \| good	0.978 \| good	18.912 \| good	0.407 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.846 \| good	19.22 \| good	37.817 \| good	0.975 \| good	18.691 \| good	0.367 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	10.911 \| good	20.142 \| good	33.505 \| good	0.274 \| good	19.24 \| good	0.382 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	10.948 \| good	19.857 \| good	33.091 \| good	0.648 \| good	11.337 \| good	0.375 \| good
2025-07-30T11:00:00.000Z	54 \| moderate	11.331 \| good	19.197 \| good	27.309 \| good	0.232 \| good	11.489 \| good	0.433 \| good
2025-07-30T12:00:00.000Z	54 \| moderate	11.357 \| good	21.157 \| good	26.352 \| good	0.324 \| good	13.849 \| good	0.561 \| good
2025-07-30T13:00:00.000Z	56 \| moderate	11.518 \| good	20.462 \| good	27.391 \| good	0.115 \| good	11.627 \| good	0.532 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.621 \| good	22.513 \| good	34.734 \| good	0.131 \| good	8.371 \| good	0.474 \| good
2025-07-30T15:00:00.000Z	56 \| moderate	11.619 \| good	22.266 \| good	34.997 \| good	0.122 \| good	6.273 \| good	0.375 \| good
2025-07-30T16:00:00.000Z	56 \| moderate	11.661 \| good	23.005 \| good	42.811 \| good	0.359 \| good	3.576 \| good	0.357 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.663 \| good	21.66 \| good	54.548 \| good	0.379 \| good	4.918 \| good	0.344 \| good
2025-07-30T18:00:00.000Z	58 \| moderate	11.664 \| good	23.739 \| good	56.746 \| fine	0.457 \| good	7.306 \| good	0.294 \| good
2025-07-30T19:00:00.000Z	64 \| moderate	11.442 \| good	22.619 \| good	58.969 \| fine	0.269 \| good	7.667 \| good	0.319 \| good
2025-07-30T20:00:00.000Z	58 \| moderate	11.398 \| good	21.367 \| good	57.126 \| fine	0.334 \| good	5.457 \| good	0.347 \| good
2025-07-30T21:00:00.000Z	61 \| moderate	11.287 \| good	22.197 \| good	57.77 \| fine	0.331 \| good	4.471 \| good	0.358 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	11.068 \| good	21.023 \| good	52.652 \| good	0.32 \| good	6.19 \| good	0.358 \| good
2025-07-30T23:00:00.000Z	54 \| moderate	11.034 \| good	21.333 \| good	49.896 \| good	0.318 \| good	3.827 \| good	0.337 \| good
2025-07-31T00:00:00.000Z	54 \| moderate	10.987 \| good	20.022 \| good	51.512 \| good	0.235 \| good	2.903 \| good	0.319 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.901 \| good	21.494 \| good	48.622 \| good	0.21 \| good	6.582 \| good	0.312 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.987 \| good	20.022 \| good	51.512 \| good	0.235 \| good	2.903 \| good	0.319 \| good
2025-07-26T21:00:00.000Z	60 \| moderate	14.398 \| fine	65.201 \| fine	42.255 \| good	0.745 \| good	2.307 \| good	0.228 \| good
2025-07-26T22:00:00.000Z	60 \| moderate	14.39 \| fine	65.116 \| fine	37.268 \| good	0.756 \| good	3.571 \| good	0.244 \| good
2025-07-26T23:00:00.000Z	56 \| moderate	11.918 \| good	52.402 \| good	30.293 \| good	0.767 \| good	4.834 \| good	0.26 \| good
2025-07-27T00:00:00.000Z	58 \| moderate	12.726 \| fine	57.185 \| fine	32.67 \| good	0.778 \| good	6.097 \| good	0.276 \| good
2025-07-27T01:00:00.000Z	56 \| moderate	12.154 \| fine	54.917 \| good	32.508 \| good	0.763 \| good	5.881 \| good	0.276 \| good
2025-07-27T02:00:00.000Z	56 \| moderate	11.852 \| good	52.052 \| good	29.96 \| good	0.748 \| good	5.665 \| good	0.277 \| good
2025-07-27T03:00:00.000Z	52 \| moderate	10.254 \| good	45.103 \| good	28.42 \| good	0.733 \| good	5.45 \| good	0.278 \| good
2025-07-27T04:00:00.000Z	52 \| moderate	9.703 \| good	43.063 \| good	26.384 \| good	0.699 \| good	4.961 \| good	0.269 \| good
2025-07-27T05:00:00.000Z	52 \| moderate	10.104 \| good	44.973 \| good	27.304 \| good	0.665 \| good	4.473 \| good	0.26 \| good
2025-07-27T06:00:00.000Z	52 \| moderate	9.779 \| good	43.162 \| good	27.098 \| good	0.631 \| good	3.984 \| good	0.251 \| good
2025-07-27T07:00:00.000Z	49 \| good	9.315 \| good	41.16 \| good	24.749 \| good	0.622 \| good	3.826 \| good	0.245 \| good
2025-07-27T08:00:00.000Z	44 \| good	8.415 \| good	37.035 \| good	24.071 \| good	0.613 \| good	3.668 \| good	0.239 \| good
2025-07-27T09:00:00.000Z	52 \| moderate	9.847 \| good	44.055 \| good	24.559 \| good	0.604 \| good	3.51 \| good	0.232 \| good
2025-07-27T10:00:00.000Z	58 \| moderate	12.508 \| fine	56.545 \| fine	20.348 \| good	0.603 \| good	3.411 \| good	0.229 \| good
2025-07-27T11:00:00.000Z	49 \| good	8.846 \| good	38.984 \| good	22.059 \| good	0.602 \| good	3.311 \| good	0.226 \| good
2025-07-27T12:00:00.000Z	33 \| good	5.846 \| good	25.364 \| good	30.603 \| good	0.601 \| good	3.212 \| good	0.223 \| good
2025-07-27T13:00:00.000Z	30 \| good	4.841 \| good	21.092 \| good	31.984 \| good	0.71 \| good	2.814 \| good	0.219 \| good
2025-07-27T14:00:00.000Z	29 \| good	4.45 \| good	19.179 \| good	30.998 \| good	0.82 \| good	2.416 \| good	0.216 \| good
2025-07-27T15:00:00.000Z	22 \| good	3.974 \| good	17.24 \| good	24.159 \| good	0.929 \| good	2.018 \| good	0.212 \| good
2025-07-27T16:00:00.000Z	22 \| good	3.5 \| good	15.182 \| good	21.531 \| good	1.17 \| good	1.913 \| good	0.213 \| good
2025-07-27T17:00:00.000Z	26 \| good	4.302 \| good	19.146 \| good	27.774 \| good	1.411 \| good	1.808 \| good	0.214 \| good
2025-07-27T18:00:00.000Z	34 \| good	5.471 \| good	23.183 \| good	37.431 \| good	1.651 \| good	1.703 \| good	0.215 \| good
2025-07-27T19:00:00.000Z	42 \| good	7.007 \| good	31.112 \| good	44.61 \| good	1.622 \| good	2.388 \| good	0.218 \| good
2025-07-27T20:00:00.000Z	44 \| good	8.049 \| good	35.144 \| good	48.196 \| good	1.593 \| good	3.074 \| good	0.22 \| good
2025-07-27T21:00:00.000Z	49 \| good	8.537 \| good	37.138 \| good	48.605 \| good	1.564 \| good	3.759 \| good	0.223 \| good
2025-07-27T22:00:00.000Z	45 \| good	7.86 \| good	34.12 \| good	48.917 \| good	1.621 \| good	4.914 \| good	0.236 \| good
2025-07-27T23:00:00.000Z	44 \| good	8.242 \| good	36.072 \| good	43.76 \| good	1.679 \| good	6.068 \| good	0.249 \| good
2025-07-28T00:00:00.000Z	52 \| moderate	9.534 \| good	42.945 \| good	44.242 \| good	1.737 \| good	7.223 \| good	0.261 \| good
2025-07-28T01:00:00.000Z	49 \| good	8.81 \| good	38.237 \| good	37.885 \| good	1.74 \| good	7.099 \| good	0.257 \| good
2025-07-28T02:00:00.000Z	38 \| good	7.075 \| good	31.168 \| good	39.336 \| good	1.743 \| good	6.975 \| good	0.252 \| good
2025-07-28T03:00:00.000Z	36 \| good	5.736 \| good	24.327 \| good	38.75 \| good	1.746 \| good	6.85 \| good	0.247 \| good
2025-07-28T04:00:00.000Z	33 \| good	5.018 \| good	22.058 \| good	36.408 \| good	1.707 \| good	6.622 \| good	0.238 \| good
2025-07-28T05:00:00.000Z	33 \| good	4.554 \| good	20.024 \| good	35.815 \| good	1.667 \| good	6.395 \| good	0.228 \| good
2025-07-28T06:00:00.000Z	31 \| good	5.089 \| good	22.062 \| good	34.354 \| good	1.628 \| good	6.167 \| good	0.219 \| good
2025-07-28T07:00:00.000Z	28 \| good	4.338 \| good	19.208 \| good	29.991 \| good	1.662 \| good	5.751 \| good	0.211 \| good
2025-07-28T08:00:00.000Z	27 \| good	4.593 \| good	20.138 \| good	26.164 \| good	1.697 \| good	5.335 \| good	0.203 \| good
2025-07-28T09:00:00.000Z	33 \| good	6.3 \| good	28.192 \| good	23.945 \| good	1.731 \| good	4.92 \| good	0.195 \| good
2025-07-28T10:00:00.000Z	33 \| good	6.173 \| good	27.315 \| good	21.526 \| good	1.757 \| good	4.374 \| good	0.2 \| good
2025-07-28T11:00:00.000Z	33 \| good	6.354 \| good	28.25 \| good	22.528 \| good	1.783 \| good	3.829 \| good	0.205 \| good
2025-07-28T12:00:00.000Z	38 \| good	7.243 \| good	32.106 \| good	30.336 \| good	1.809 \| good	3.283 \| good	0.209 \| good
2025-07-28T13:00:00.000Z	49 \| good	9.148 \| good	40.992 \| good	41.698 \| good	1.602 \| good	2.815 \| good	0.21 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.407 \| good	50.955 \| good	51.28 \| good	1.395 \| good	2.347 \| good	0.211 \| good
2025-07-28T15:00:00.000Z	71 \| moderate	13.161 \| fine	59.124 \| fine	60.973 \| fine	1.188 \| good	1.878 \| good	0.212 \| good
2025-07-28T16:00:00.000Z	84 \| moderate	13.137 \| fine	59.174 \| fine	64.647 \| fine	1.053 \| good	1.697 \| good	0.209 \| good
2025-07-28T17:00:00.000Z	74 \| moderate	11.743 \| good	52.036 \| good	61.612 \| fine	0.919 \| good	1.515 \| good	0.207 \| good
2025-07-28T18:00:00.000Z	64 \| moderate	9.39 \| good	42.055 \| good	59.021 \| fine	0.785 \| good	1.333 \| good	0.204 \| good
2025-07-28T19:00:00.000Z	80 \| moderate	9.163 \| good	40.904 \| good	63.901 \| fine	0.773 \| good	1.466 \| good	0.204 \| good
2025-07-28T20:00:00.000Z	74 \| moderate	8.117 \| good	35.952 \| good	62.264 \| fine	0.761 \| good	1.599 \| good	0.204 \| good

Wilmington

Get reliable air quality data to drive your business

Wilmington, Delaware air quality map: Track AQI near you

0.38ppm

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 2025-07-25.

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 02:00:00 on 2025-07-26.

What is the current air quality in Wilmington, Delaware?

The current air quality in Wilmington, Delaware is 54, categorized as Moderate 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 11.32 μg/m³.

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

The current PM₁₀ concentration at Wilmington, Delaware is 27.439 μg/m³.

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

The current carbon monoxide (CO) concentration at Wilmington, Delaware is 0.45 ppm.

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

The current sulfur dioxide (SO₂) concentration at Wilmington, Delaware is 0.472 ppb.

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

The current ozone (O₃) concentration at Wilmington, Delaware is 39.316 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Wilmington, Delaware is 2.974 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T02:00:00.000Z	44 \| good	8.496 \| good	16.865 \| good	46.186 \| good	0.505 \| good	6.412 \| good	0.437 \| good
2025-07-29T03:00:00.000Z	49 \| good	8.781 \| good	17.269 \| good	41.85 \| good	0.505 \| good	7.695 \| good	0.452 \| good
2025-07-29T04:00:00.000Z	49 \| good	8.964 \| good	18.147 \| good	41.733 \| good	0.227 \| good	12.654 \| good	0.476 \| good
2025-07-29T05:00:00.000Z	49 \| good	8.912 \| good	17.785 \| good	39.006 \| good	0.24 \| good	11.691 \| good	0.439 \| good
2025-07-29T06:00:00.000Z	49 \| good	9.088 \| good	18.811 \| good	31.569 \| good	0.59 \| good	13.503 \| good	0.46 \| good
2025-07-29T07:00:00.000Z	49 \| good	9.097 \| good	18.008 \| good	27.82 \| good	0.915 \| good	12.976 \| good	0.392 \| good
2025-07-29T08:00:00.000Z	49 \| good	9.212 \| good	18.107 \| good	24.967 \| good	0.878 \| good	16.064 \| good	0.392 \| good
2025-07-29T09:00:00.000Z	49 \| good	9.34 \| good	18.644 \| good	20.953 \| good	0.837 \| good	9.586 \| good	0.392 \| good
2025-07-29T10:00:00.000Z	49 \| good	9.243 \| good	18.091 \| good	19.949 \| good	0.545 \| good	8.23 \| good	0.404 \| good
2025-07-29T11:00:00.000Z	49 \| good	9.42 \| good	17.684 \| good	17.96 \| good	0.889 \| good	7.904 \| good	0.48 \| good
2025-07-29T12:00:00.000Z	49 \| good	9.433 \| good	18.508 \| good	20.491 \| good	0.751 \| good	12.947 \| good	0.479 \| good
2025-07-29T13:00:00.000Z	52 \| moderate	9.756 \| good	19.428 \| good	21.266 \| good	0.248 \| good	11.901 \| good	0.457 \| good
2025-07-29T14:00:00.000Z	52 \| moderate	9.75 \| good	19.474 \| good	25.905 \| good	0.343 \| good	9.414 \| good	0.511 \| good
2025-07-29T15:00:00.000Z	52 \| moderate	9.83 \| good	19.396 \| good	29.818 \| good	0.11 \| good	7.149 \| good	0.45 \| good
2025-07-29T16:00:00.000Z	52 \| moderate	9.942 \| good	20.291 \| good	34.518 \| good	0.806 \| good	9.886 \| good	0.381 \| good
2025-07-29T17:00:00.000Z	52 \| moderate	10.041 \| good	20.341 \| good	40.376 \| good	0.512 \| good	8.12 \| good	0.328 \| good
2025-07-29T18:00:00.000Z	52 \| moderate	10.012 \| good	18.979 \| good	42.808 \| good	0.825 \| good	7.353 \| good	0.328 \| good
2025-07-29T19:00:00.000Z	52 \| moderate	10.06 \| good	19.145 \| good	46.591 \| good	0.577 \| good	7.397 \| good	0.294 \| good
2025-07-29T20:00:00.000Z	54 \| moderate	10.521 \| good	19.103 \| good	50.39 \| good	0.391 \| good	6.048 \| good	0.294 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	10.473 \| good	19.75 \| good	51.284 \| good	0.392 \| good	3.247 \| good	0.24 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.747 \| good	20.149 \| good	51.979 \| good	0.399 \| good	2.636 \| good	0.283 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	10.917 \| good	21.466 \| good	51.994 \| good	0.401 \| good	3.309 \| good	0.301 \| good
2025-07-30T00:00:00.000Z	54 \| moderate	10.847 \| good	20.037 \| good	52.7 \| good	0.381 \| good	6.307 \| good	0.419 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.72 \| good	20.403 \| good	51.695 \| good	0.384 \| good	8.571 \| good	0.418 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.889 \| good	19.026 \| good	48.752 \| good	0.306 \| good	8.854 \| good	0.383 \| good
2025-07-30T03:00:00.000Z	79 \| moderate	23.647 \| fine	102.917 \| fine	34.368 \| good	1.56 \| good	8.241 \| good	0.284 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	10.586 \| good	19.624 \| good	42.638 \| good	0.343 \| good	10.937 \| good	0.383 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.639 \| good	19.363 \| good	41.658 \| good	0.252 \| good	15.713 \| good	0.383 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	10.736 \| good	19.259 \| good	38.638 \| good	0.259 \| good	17.519 \| good	0.415 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	10.76 \| good	20.027 \| good	39.271 \| good	0.978 \| good	18.912 \| good	0.407 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.846 \| good	19.22 \| good	37.817 \| good	0.975 \| good	18.691 \| good	0.367 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	10.911 \| good	20.142 \| good	33.505 \| good	0.274 \| good	19.24 \| good	0.382 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	10.948 \| good	19.857 \| good	33.091 \| good	0.648 \| good	11.337 \| good	0.375 \| good
2025-07-30T11:00:00.000Z	54 \| moderate	11.331 \| good	19.197 \| good	27.309 \| good	0.232 \| good	11.489 \| good	0.433 \| good
2025-07-30T12:00:00.000Z	54 \| moderate	11.357 \| good	21.157 \| good	26.352 \| good	0.324 \| good	13.849 \| good	0.561 \| good
2025-07-30T13:00:00.000Z	56 \| moderate	11.518 \| good	20.462 \| good	27.391 \| good	0.115 \| good	11.627 \| good	0.532 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.621 \| good	22.513 \| good	34.734 \| good	0.131 \| good	8.371 \| good	0.474 \| good
2025-07-30T15:00:00.000Z	56 \| moderate	11.619 \| good	22.266 \| good	34.997 \| good	0.122 \| good	6.273 \| good	0.375 \| good
2025-07-30T16:00:00.000Z	56 \| moderate	11.661 \| good	23.005 \| good	42.811 \| good	0.359 \| good	3.576 \| good	0.357 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.663 \| good	21.66 \| good	54.548 \| good	0.379 \| good	4.918 \| good	0.344 \| good
2025-07-30T18:00:00.000Z	58 \| moderate	11.664 \| good	23.739 \| good	56.746 \| fine	0.457 \| good	7.306 \| good	0.294 \| good
2025-07-30T19:00:00.000Z	64 \| moderate	11.442 \| good	22.619 \| good	58.969 \| fine	0.269 \| good	7.667 \| good	0.319 \| good
2025-07-30T20:00:00.000Z	58 \| moderate	11.398 \| good	21.367 \| good	57.126 \| fine	0.334 \| good	5.457 \| good	0.347 \| good
2025-07-30T21:00:00.000Z	61 \| moderate	11.287 \| good	22.197 \| good	57.77 \| fine	0.331 \| good	4.471 \| good	0.358 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	11.068 \| good	21.023 \| good	52.652 \| good	0.32 \| good	6.19 \| good	0.358 \| good
2025-07-30T23:00:00.000Z	54 \| moderate	11.034 \| good	21.333 \| good	49.896 \| good	0.318 \| good	3.827 \| good	0.337 \| good
2025-07-31T00:00:00.000Z	54 \| moderate	10.987 \| good	20.022 \| good	51.512 \| good	0.235 \| good	2.903 \| good	0.319 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.901 \| good	21.494 \| good	48.622 \| good	0.21 \| good	6.582 \| good	0.312 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.987 \| good	20.022 \| good	51.512 \| good	0.235 \| good	2.903 \| good	0.319 \| good
2025-07-26T21:00:00.000Z	60 \| moderate	14.398 \| fine	65.201 \| fine	42.255 \| good	0.745 \| good	2.307 \| good	0.228 \| good
2025-07-26T22:00:00.000Z	60 \| moderate	14.39 \| fine	65.116 \| fine	37.268 \| good	0.756 \| good	3.571 \| good	0.244 \| good
2025-07-26T23:00:00.000Z	56 \| moderate	11.918 \| good	52.402 \| good	30.293 \| good	0.767 \| good	4.834 \| good	0.26 \| good
2025-07-27T00:00:00.000Z	58 \| moderate	12.726 \| fine	57.185 \| fine	32.67 \| good	0.778 \| good	6.097 \| good	0.276 \| good
2025-07-27T01:00:00.000Z	56 \| moderate	12.154 \| fine	54.917 \| good	32.508 \| good	0.763 \| good	5.881 \| good	0.276 \| good
2025-07-27T02:00:00.000Z	56 \| moderate	11.852 \| good	52.052 \| good	29.96 \| good	0.748 \| good	5.665 \| good	0.277 \| good
2025-07-27T03:00:00.000Z	52 \| moderate	10.254 \| good	45.103 \| good	28.42 \| good	0.733 \| good	5.45 \| good	0.278 \| good
2025-07-27T04:00:00.000Z	52 \| moderate	9.703 \| good	43.063 \| good	26.384 \| good	0.699 \| good	4.961 \| good	0.269 \| good
2025-07-27T05:00:00.000Z	52 \| moderate	10.104 \| good	44.973 \| good	27.304 \| good	0.665 \| good	4.473 \| good	0.26 \| good
2025-07-27T06:00:00.000Z	52 \| moderate	9.779 \| good	43.162 \| good	27.098 \| good	0.631 \| good	3.984 \| good	0.251 \| good
2025-07-27T07:00:00.000Z	49 \| good	9.315 \| good	41.16 \| good	24.749 \| good	0.622 \| good	3.826 \| good	0.245 \| good
2025-07-27T08:00:00.000Z	44 \| good	8.415 \| good	37.035 \| good	24.071 \| good	0.613 \| good	3.668 \| good	0.239 \| good
2025-07-27T09:00:00.000Z	52 \| moderate	9.847 \| good	44.055 \| good	24.559 \| good	0.604 \| good	3.51 \| good	0.232 \| good
2025-07-27T10:00:00.000Z	58 \| moderate	12.508 \| fine	56.545 \| fine	20.348 \| good	0.603 \| good	3.411 \| good	0.229 \| good
2025-07-27T11:00:00.000Z	49 \| good	8.846 \| good	38.984 \| good	22.059 \| good	0.602 \| good	3.311 \| good	0.226 \| good
2025-07-27T12:00:00.000Z	33 \| good	5.846 \| good	25.364 \| good	30.603 \| good	0.601 \| good	3.212 \| good	0.223 \| good
2025-07-27T13:00:00.000Z	30 \| good	4.841 \| good	21.092 \| good	31.984 \| good	0.71 \| good	2.814 \| good	0.219 \| good
2025-07-27T14:00:00.000Z	29 \| good	4.45 \| good	19.179 \| good	30.998 \| good	0.82 \| good	2.416 \| good	0.216 \| good
2025-07-27T15:00:00.000Z	22 \| good	3.974 \| good	17.24 \| good	24.159 \| good	0.929 \| good	2.018 \| good	0.212 \| good
2025-07-27T16:00:00.000Z	22 \| good	3.5 \| good	15.182 \| good	21.531 \| good	1.17 \| good	1.913 \| good	0.213 \| good
2025-07-27T17:00:00.000Z	26 \| good	4.302 \| good	19.146 \| good	27.774 \| good	1.411 \| good	1.808 \| good	0.214 \| good
2025-07-27T18:00:00.000Z	34 \| good	5.471 \| good	23.183 \| good	37.431 \| good	1.651 \| good	1.703 \| good	0.215 \| good
2025-07-27T19:00:00.000Z	42 \| good	7.007 \| good	31.112 \| good	44.61 \| good	1.622 \| good	2.388 \| good	0.218 \| good
2025-07-27T20:00:00.000Z	44 \| good	8.049 \| good	35.144 \| good	48.196 \| good	1.593 \| good	3.074 \| good	0.22 \| good
2025-07-27T21:00:00.000Z	49 \| good	8.537 \| good	37.138 \| good	48.605 \| good	1.564 \| good	3.759 \| good	0.223 \| good
2025-07-27T22:00:00.000Z	45 \| good	7.86 \| good	34.12 \| good	48.917 \| good	1.621 \| good	4.914 \| good	0.236 \| good
2025-07-27T23:00:00.000Z	44 \| good	8.242 \| good	36.072 \| good	43.76 \| good	1.679 \| good	6.068 \| good	0.249 \| good
2025-07-28T00:00:00.000Z	52 \| moderate	9.534 \| good	42.945 \| good	44.242 \| good	1.737 \| good	7.223 \| good	0.261 \| good
2025-07-28T01:00:00.000Z	49 \| good	8.81 \| good	38.237 \| good	37.885 \| good	1.74 \| good	7.099 \| good	0.257 \| good
2025-07-28T02:00:00.000Z	38 \| good	7.075 \| good	31.168 \| good	39.336 \| good	1.743 \| good	6.975 \| good	0.252 \| good
2025-07-28T03:00:00.000Z	36 \| good	5.736 \| good	24.327 \| good	38.75 \| good	1.746 \| good	6.85 \| good	0.247 \| good
2025-07-28T04:00:00.000Z	33 \| good	5.018 \| good	22.058 \| good	36.408 \| good	1.707 \| good	6.622 \| good	0.238 \| good
2025-07-28T05:00:00.000Z	33 \| good	4.554 \| good	20.024 \| good	35.815 \| good	1.667 \| good	6.395 \| good	0.228 \| good
2025-07-28T06:00:00.000Z	31 \| good	5.089 \| good	22.062 \| good	34.354 \| good	1.628 \| good	6.167 \| good	0.219 \| good
2025-07-28T07:00:00.000Z	28 \| good	4.338 \| good	19.208 \| good	29.991 \| good	1.662 \| good	5.751 \| good	0.211 \| good
2025-07-28T08:00:00.000Z	27 \| good	4.593 \| good	20.138 \| good	26.164 \| good	1.697 \| good	5.335 \| good	0.203 \| good
2025-07-28T09:00:00.000Z	33 \| good	6.3 \| good	28.192 \| good	23.945 \| good	1.731 \| good	4.92 \| good	0.195 \| good
2025-07-28T10:00:00.000Z	33 \| good	6.173 \| good	27.315 \| good	21.526 \| good	1.757 \| good	4.374 \| good	0.2 \| good
2025-07-28T11:00:00.000Z	33 \| good	6.354 \| good	28.25 \| good	22.528 \| good	1.783 \| good	3.829 \| good	0.205 \| good
2025-07-28T12:00:00.000Z	38 \| good	7.243 \| good	32.106 \| good	30.336 \| good	1.809 \| good	3.283 \| good	0.209 \| good
2025-07-28T13:00:00.000Z	49 \| good	9.148 \| good	40.992 \| good	41.698 \| good	1.602 \| good	2.815 \| good	0.21 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.407 \| good	50.955 \| good	51.28 \| good	1.395 \| good	2.347 \| good	0.211 \| good
2025-07-28T15:00:00.000Z	71 \| moderate	13.161 \| fine	59.124 \| fine	60.973 \| fine	1.188 \| good	1.878 \| good	0.212 \| good
2025-07-28T16:00:00.000Z	84 \| moderate	13.137 \| fine	59.174 \| fine	64.647 \| fine	1.053 \| good	1.697 \| good	0.209 \| good
2025-07-28T17:00:00.000Z	74 \| moderate	11.743 \| good	52.036 \| good	61.612 \| fine	0.919 \| good	1.515 \| good	0.207 \| good
2025-07-28T18:00:00.000Z	64 \| moderate	9.39 \| good	42.055 \| good	59.021 \| fine	0.785 \| good	1.333 \| good	0.204 \| good
2025-07-28T19:00:00.000Z	80 \| moderate	9.163 \| good	40.904 \| good	63.901 \| fine	0.773 \| good	1.466 \| good	0.204 \| good
2025-07-28T20:00:00.000Z	74 \| moderate	8.117 \| good	35.952 \| good	62.264 \| fine	0.761 \| good	1.599 \| good	0.204 \| good

Wilmington, Delaware live air quality index now

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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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 PM2.5 in Wilmington, Delaware?

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

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

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

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