Delaware air quality

Woodside East, Delaware Air Quality

Kent County39.068, -75.537

The nearest monitor to Woodside East, at KILLENS, 6 miles away, measured an index of 18 at Mon, 11:00 AM EDT, which is Good for ground-level ozone. Delaware Dept. of Natural Resources and Environment forecasts Good for Kent County today and Good tomorrow.

Measured now
18 · Good
Today
37 · Good
Tomorrow
32 · Good
Pollutant
Ozone

Fine particles on the map

Forecast fine particulate matter from NOAA’s National Air Quality Forecast Capability over Woodside East, Delaware. Open it for the live map, where it pans and zooms.

Forecast fine particulate matter from NOAA’s National Air Quality Forecast Capability over Woodside East, Delaware Open the live map with the particulate forecast

Map layer from NOAA National Air Quality Forecast Capability. Boundaries from the Iowa Environmental Mesonet.

Alerts in force

An Air Quality Alert is issued by the National Weather Service on behalf of a state or local agency when pollution is expected to reach a level that harms health. An Air Stagnation Advisory means the air will not move enough to clear what is already in it.

None are in force near Woodside East right now. All Delaware warnings.

Now

Good

Nearest monitor
KILLENS, 6 miles away (site 100010002)
Index measured
18 · Good
Measured at
Mon, 11:00 AM EDT
Fine particles
2.7 µg/m³
Ozone
19 ppb
Reporting area
Kent County, DE, 2 miles away
Reported by
Delaware Dept. of Natural Resources and Environment
Area index
18 · Good

Measured, not modeled. AirNow observations are preliminary until the operating agency certifies them, which happens months later.

Today and tomorrow

Delaware Dept. of Natural Resources and Environment's own forecast for Kent County, written by a forecaster rather than read off a model.

DayCategoryIndexPollutant
TodayGood37Ozone
TomorrowGood32Ozone
Wednesday, September 23Good32Ozone
Thursday, September 24Good33Ozone

The forecaster’s discussion

Written by Delaware Dept. of Natural Resources and Environment for Kent County and filed with AirNow.

Tuesday, September 22 through Thursday, September 24: Moderate and gusty east-northeasterly surface winds will usher a clean, cool air mass into the First State. Additionally, clouds and isolated to scattered rain showers will inhibit ozone formation, while a broad trough of low pressure aloft passing over the region will aid mixing. As a result, AQI levels are anticipated to be Good for ozone and PM2.5 on all three days.

Hour by hour

NOAA’s National Air Quality Forecast Capability, bias-corrected against monitors, for this town’s own coordinate. The worst hour ahead is an index of 36, Good, around Mon, 8:00 PM EDT, from the run issued Mon, 8:00 AM EDT. This is a model, not a measurement.

HourIndexCategoryPM2.5Ozone
Mon, 10:00 AM EDT32Good5.5
Mon, 11:00 AM EDT33Good6
Mon, 12:00 PM EDT32Good5.3
Mon, 1:00 PM EDT29Good4.8
Mon, 2:00 PM EDT29Good5.2
Mon, 3:00 PM EDT29Good5.5
Mon, 4:00 PM EDT31Good6.431.7
Mon, 5:00 PM EDT32Good6.434.8
Mon, 6:00 PM EDT34Good5.437.4
Mon, 7:00 PM EDT35Good5.739
Mon, 8:00 PM EDT36Good4.339.5
Mon, 9:00 PM EDT36Good2.839.1
Mon, 10:00 PM EDT35Good2.438.1
Mon, 11:00 PM EDT33Good2.837
Tue, 12:00 AM EDT32Good2.935.4
Tue, 1:00 AM EDT31Good3.833.7
Tue, 2:00 AM EDT30Good3.432.3
Tue, 3:00 AM EDT29Good3.431.9
Tue, 4:00 AM EDT30Good4.132.2
Tue, 5:00 AM EDT30Good4.232.9
Tue, 6:00 AM EDT31Good4.733.5
Tue, 7:00 AM EDT31Good5.233.6
Tue, 8:00 AM EDT31Good4.733.6
Tue, 9:00 AM EDT31Good4.333.7
Tue, 10:00 AM EDT31Good4.333.7
Tue, 11:00 AM EDT31Good4.233.1
Tue, 12:00 PM EDT30Good3.732.5
Tue, 1:00 PM EDT29Good2.431.4
Tue, 2:00 PM EDT28Good2.230.2
Tue, 3:00 PM EDT27Good229.4
Tue, 4:00 PM EDT26Good2.428.9
Tue, 5:00 PM EDT26Good2.228.1
Tue, 6:00 PM EDT25Good1.927.1
Tue, 7:00 PM EDT24Good1.826.4
Tue, 8:00 PM EDT23Good1.925.9
Tue, 9:00 PM EDT24Good2.126.1
Tue, 10:00 PM EDT24Good1.826.4
Tue, 11:00 PM EDT24Good1.326.5
Wed, 12:00 AM EDT24Good1.626.3
Wed, 1:00 AM EDT24Good1.926.2
Wed, 2:00 AM EDT24Good2.226.1
Wed, 3:00 AM EDT24Good3.126.5
Wed, 4:00 AM EDT24Good3.326.5
Wed, 5:00 AM EDT23Good326
Wed, 6:00 AM EDT23Good3.525
Wed, 7:00 AM EDT22Good3.524.3
Wed, 8:00 AM EDT21Good2.823.7
Wed, 9:00 AM EDT21Good2.623
Wed, 10:00 AM EDT20Good2.722.4
Wed, 11:00 AM EDT19Good2.421.2
Wed, 12:00 PM EDT19Good2.420.4
Wed, 1:00 PM EDT19Good2.720.3
Wed, 2:00 PM EDT19Good320.8
Wed, 3:00 PM EDT19Good321.5
Wed, 4:00 PM EDT20Good3.522.1
Wed, 5:00 PM EDT21Good3.623
Wed, 6:00 PM EDT22Good3.424.1
Wed, 7:00 PM EDT23Good3.425.3
Wed, 8:00 PM EDT23Good3.726
Wed, 9:00 PM EDT23Good2.725.7
Wed, 10:00 PM EDT23Good3.225.5
Wed, 11:00 PM EDT23Good2.825.3
Thu, 12:00 AM EDT23Good2.925.3
Thu, 1:00 AM EDT23Good3.125.4
Thu, 2:00 AM EDT23Good2.825.3
Thu, 3:00 AM EDT23Good3.125.4
Thu, 4:00 AM EDT23Good325.5
Thu, 5:00 AM EDT23Good3.325.6
Thu, 6:00 AM EDT23Good3.725.4
Thu, 7:00 AM EDT22Good4.524.3
Thu, 8:00 AM EDT22Good4.322.9

Fine particles in micrograms per cubic meter, ozone in parts per billion as an 8-hour average. The index for each hour is EPA’s: the ozone figure is already the 8-hour average the ozone index is defined on, and the particle figure is run through EPA’s NowCast, which is how an hourly PM2.5 concentration becomes an index.

Smoke

NOAA’s analysts have not drawn smoke over Woodside East in satellite imagery today.

NOAA’s model forecasts near-surface smoke peaking at 0.3 µg/m³ around Mon, 1:00 AM EDT.

Smoke on the radar over Woodside East

What this means

Good

Air quality is satisfactory, and air pollution poses little or no risk.

Who is affected
Nobody is expected to be affected.
What to do
It is a good day to be outside.
Index range
0 to 50

Category descriptions are the Environmental Protection Agency’s own.

What these numbers are. An index beside a monitor’s name is a measurement, published hourly by AirNow and preliminary until the operating agency certifies it. A category for today or tomorrow is a state or local agency forecaster’s own forecast for a reporting area. An hourly index is NOAA’s air quality model on a five-kilometer grid, not a reading from any instrument. Where a town has no monitor within reach, only the model figures appear, and the page says so.

Nearby

The nearest towns with a page of their own, closest first.

Weather forecast for Woodside EastWarnings in Kent CountyLive radar over Woodside EastDelaware air quality

Sources

Observations and daily forecasts from AirNow, the US Environmental Protection Agency’s program with NOAA, the National Park Service, NASA, tribal, state and local agencies. Hourly forecasts from NOAA’s National Air Quality Forecast Capability. Smoke analysis from NOAA’s Hazard Mapping System. Alerts from the National Weather Service. Index categories and breakpoints are EPA’s, as revised in 2024.