Stay updated with real-time air quality in Picayune, Mississippi featuring accurate data on AQI, PM2.5, 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)
56
Moderate
Picayune, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.28 μg/m³
0
55
155
255
425
605+
25.98 ppb
0
55
71
86
201
201+
0.85 ppb
0
36
76
186
605
1005+
1.98 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Picayune, Mississippi
Picayune, Mississippi
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AQI 56
Moderate
12.30μg/m³
PM2.5
48.29μg/m³
PM10
25.77ppb
O3
0.97ppb
SO2
2.29ppb
NO2
0.18ppm
CO
AQI 58
Moderate
12.92μg/m³
PM2.5
58.27μg/m³
PM10
24.86ppb
O3
0.80ppb
SO2
1.83ppb
NO2
0.20ppm
CO
AQI 62
Moderate
14.77μg/m³
PM2.5
50.04μg/m³
PM10
32.89ppb
O3
0.97ppb
SO2
2.29ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.66μg/m³
PM2.5
46.91μg/m³
PM10
27.97ppb
O3
0.96ppb
SO2
2.17ppb
NO2
0.18ppm
CO
AQI 58
Moderate
12.83μg/m³
PM2.5
57.25μg/m³
PM10
25.79ppb
O3
0.71ppb
SO2
1.95ppb
NO2
0.18ppm
CO
AQI 60
Moderate
13.64μg/m³
PM2.5
56.23μg/m³
PM10
23.80ppb
O3
0.70ppb
SO2
1.65ppb
NO2
0.18ppm
CO
Air quality data and pollutant measurements for Mississippi, 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
The air quality for Picayune, Mississippi is updated every hour.
The worst air quality in Picayune, Mississippi in the last 24 hours was observed at 03:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Picayune, Mississippi was observed at 11:00:00 on 2026-07-22.
The current air quality in Picayune, Mississippi is 56, categorized as Moderate based on real-time data.
The most common pollutant in Picayune, Mississippi is PM2.5.
If the air quality in Picayune, Mississippi is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Picayune, Mississippi is 11.698 μg/m3.
The current PM10 concentration at Picayune, Mississippi is 47.284 μg/m3.
The current carbon monoxide (CO) concentration at Picayune, Mississippi is 0.185 ppm.
The current sulfur dioxide (SO2) concentration at Picayune, Mississippi is 0.848 ppb.
The current ozone (O3) concentration at Picayune, Mississippi is 25.983 ppm.
The current nitrogen dioxide (NO2) concentration at Picayune, Mississippi is 1.98 ppb.
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