Air Quality in Gretna, United States

Drizzle
24.7°C · 93.9% humidity
24.7°
Feels 24.7°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
66 2pm
66
54
64 5pm
61
59
58 8pm
57
56
55 11pm
55
67
66 2am
66
54
54 5am
54
54
54 8am
54
54
54 11am
54
54
AD 728×90

Air Quality Index Trend

43h · 3 stn

Gretna's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Gretna is 1.2× the WHO 24-hour guideline of 15 µg/m³.

93.9%
Humidity
34.8 km/h
Wind S
1007.9 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.29 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Gretna?

Temperature & Precipitation

PM2.5 Trend

43h · 3 stations
PM2.518.29 µg/m³ ×1.2 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
18.29
Median
19.25
Average
14.0
Low
24.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -1.9

What is the 7-day forecast for Gretna?

07-21
29.8° 24.0°
13.69 mm
07-22
28.5° 24.7°
15.87 mm
07-23
35.1° 25.0°
6.06 mm
07-24
29.7° 25.4°
6.56 mm
07-25
33.4° 24.8°
0.69 mm
07-26
34.7° 25.9°
3.38 mm
07-27
32.9° 25.2°
6.81 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Gretna?

46
united-states-of-america-new-orleans-dumaine-street
5.9 km 33.3°C 79.0% RH PM2.5: 11.0 µg/m³ PM10: 11.0 µg/m³
38
united-states-of-america-new-orleans-dumaine-street
6.1 km 35.0°C 70.0% RH PM2.5: 9.0 µg/m³ PM10: 9.0 µg/m³
42
united-states-of-america-new-orleans-pauger-street
6.7 km 32.2°C 79.0% RH PM2.5: 10.0 µg/m³ PM10: 11.0 µg/m³
61
Chalmette Vista site, Louisiana, USA
8.2 km PM2.5: 16.9 µg/m³
68
New Orleans City Park site, Louisiana, USA
9.9 km PM2.5: 20.2 µg/m³
57
Kenner site, Louisiana, USA
25.3 km PM2.5: 15.0 µg/m³

What cities are near Gretna?

61 Terrytown 66 Harvey 68 Marrero 72 New Orleans 55 Chalmette 66 Estelle 74 Metairie 72 Metairie Terrace 64 Kenner 61 Laplace
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T22:17 UTC.