Alabama air quality

Ashville, Alabama Air Quality

St. Clair County33.837, -86.254

The nearest monitor to Ashville, at GADSDEN, 18 miles away, measured an index of 28 at Mon, 12:00 AM CDT, which is Good for fine particles (PM2.5). NOAA’s air quality model puts the worst hour ahead at an index of 68, Moderate. NOAA’s analysts drew medium wildfire smoke over the town today.

Measured now
28 · Good
Today
Not forecast
Tomorrow
Not forecast
Pollutant
PM2.5

Fine particles on the map

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

Forecast fine particulate matter from NOAA’s National Air Quality Forecast Capability over Ashville, Alabama 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 Ashville right now. All Alabama warnings.

Now

Good

Nearest monitor
GADSDEN, 18 miles away (site 010550010)
Index measured
28 · Good
Measured at
Mon, 12:00 AM CDT
Fine particles
2.2 µg/m³
Ozone
26 ppb
Reporting area
Gadsden, AL, 19 miles away
Reported by
Alabama Department of Environmental Management
Area index
28 · Good

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

Today and tomorrow

No state or local agency has filed a daily forecast for this area. NOAA’s model forecast below covers the same hours.

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 68, Moderate, around Mon, 8:00 AM CDT, from the run issued Sun, 10:00 PM CDT. This is a model, not a measurement.

HourIndexCategoryPM2.5Ozone
Sun, 9:00 AM CDT58Moderate12.4
Sun, 10:00 AM CDT58Moderate12.2
Sun, 11:00 AM CDT58Moderate13
Sun, 12:00 PM CDT58Moderate12.8
Sun, 1:00 PM CDT58Moderate12.9
Sun, 2:00 PM CDT58Moderate13.5
Sun, 3:00 PM CDT58Moderate12.842.6
Sun, 4:00 PM CDT58Moderate12.446.6
Sun, 5:00 PM CDT57Moderate10.949.5
Sun, 6:00 PM CDT57Moderate11.750.8
Sun, 7:00 PM CDT57Moderate11.750.9
Sun, 8:00 PM CDT58Moderate14.550.3
Sun, 9:00 PM CDT58Moderate14.148.9
Sun, 10:00 PM CDT60Moderate15.647
Sun, 11:00 PM CDT61Moderate15.544.6
Mon, 12:00 AM CDT62Moderate16.341.7
Mon, 1:00 AM CDT63Moderate16.438.1
Mon, 2:00 AM CDT64Moderate16.734.6
Mon, 3:00 AM CDT65Moderate17.431.3
Mon, 4:00 AM CDT66Moderate18.128.3
Mon, 5:00 AM CDT66Moderate18.125.7
Mon, 6:00 AM CDT67Moderate1823.4
Mon, 7:00 AM CDT67Moderate18.921.4
Mon, 8:00 AM CDT68Moderate19.620.1
Mon, 9:00 AM CDT67Moderate16.420.8
Mon, 10:00 AM CDT66Moderate14.423.5
Mon, 11:00 AM CDT64Moderate14.327
Mon, 12:00 PM CDT63Moderate14.631.2
Mon, 1:00 PM CDT63Moderate14.635.9
Mon, 2:00 PM CDT62Moderate14.940.4
Mon, 3:00 PM CDT61Moderate13.245.1
Mon, 4:00 PM CDT58Moderate11.249.6
Mon, 5:00 PM CDT55Moderate9.552.7
Mon, 6:00 PM CDT55Moderate11.154
Mon, 7:00 PM CDT55Moderate11.454.1
Mon, 8:00 PM CDT58Moderate14.853
Mon, 9:00 PM CDT59Moderate1551
Mon, 10:00 PM CDT61Moderate15.648.5
Mon, 11:00 PM CDT61Moderate14.545.5
Tue, 12:00 AM CDT61Moderate15.342.1
Tue, 1:00 AM CDT62Moderate15.538.1
Tue, 2:00 AM CDT62Moderate14.834.1
Tue, 3:00 AM CDT61Moderate14.330.5
Tue, 4:00 AM CDT60Moderate13.427.5
Tue, 5:00 AM CDT60Moderate12.825.4
Tue, 6:00 AM CDT58Moderate1124.1
Tue, 7:00 AM CDT58Moderate12.923.5
Tue, 8:00 AM CDT59Moderate13.923
Tue, 9:00 AM CDT58Moderate1223.7
Tue, 10:00 AM CDT57Moderate11.826
Tue, 11:00 AM CDT57Moderate1229.4
Tue, 12:00 PM CDT57Moderate12.433.5
Tue, 1:00 PM CDT57Moderate11.837.8
Tue, 2:00 PM CDT57Moderate12.441.8
Tue, 3:00 PM CDT56Moderate11.145.5
Tue, 4:00 PM CDT55Moderate10.149.5
Tue, 5:00 PM CDT54Moderate9.252.8
Tue, 6:00 PM CDT53Moderate1054.5
Tue, 7:00 PM CDT53Moderate10.154.6
Tue, 8:00 PM CDT54Moderate12.253.6
Tue, 9:00 PM CDT55Moderate11.851.9
Tue, 10:00 PM CDT54Moderate10.349.9
Tue, 11:00 PM CDT53Moderate9.347.9
Wed, 12:00 AM CDT53Moderate945.7
Wed, 1:00 AM CDT53Moderate10.343
Wed, 2:00 AM CDT53Moderate10.840.1
Wed, 3:00 AM CDT53Moderate10.837.6
Wed, 4:00 AM CDT53Moderate9.935.6
Wed, 5:00 AM CDT52Moderate8.934
Wed, 6:00 AM CDT42Good5.732.8
Wed, 7:00 AM CDT41Good7.131.5

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 Hazard Mapping System analysts drew medium smoke over Ashville in satellite imagery today (Sun, 7:00 AM CDT to Sun, 10:00 AM CDT). That is smoke seen from above; it is not always smoke at ground level.

NOAA’s model forecasts near-surface smoke peaking at 1.2 µg/m³ around Tue, 2:00 PM CDT.

Smoke on the radar over Ashville

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 AshvilleWarnings in St. Clair CountyLive radar over AshvilleAlabama 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.