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)
38
Good
Picayune, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.87 μg/m³
0
55
155
255
425
605+
17.35 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
4.57 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Picayune, Mississippi
Picayune, Mississippi
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AQI 27
Good
5.16μg/m³
PM2.5
20.09μg/m³
PM10
12.92ppb
O3
1.15ppb
SO2
3.98ppb
NO2
0.31ppm
CO
AQI 33
Good
5.39μg/m³
PM2.5
35.71μg/m³
PM10
16.88ppb
O3
1.06ppb
SO2
3.94ppb
NO2
0.30ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
21.99μg/m³
PM10
14.00ppb
O3
1.16ppb
SO2
4.11ppb
NO2
0.30ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
21.73μg/m³
PM10
17.51ppb
O3
1.14ppb
SO2
4.09ppb
NO2
0.30ppm
CO
AQI 33
Good
6.30μg/m³
PM2.5
28.03μg/m³
PM10
14.25ppb
O3
1.11ppb
SO2
3.86ppb
NO2
0.29ppm
CO
AQI 38
Good
6.73μg/m³
PM2.5
32.03μg/m³
PM10
13.27ppb
O3
1.07ppb
SO2
3.86ppb
NO2
0.29ppm
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 05:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Picayune, Mississippi was observed at 01:00:00 on 2025-12-07.
The current air quality in Picayune, Mississippi is 33, categorized as Good 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 6.266 μg/m3.
The current PM10 concentration at Picayune, Mississippi is 31.201 μg/m3.
The current carbon monoxide (CO) concentration at Picayune, Mississippi is 0.304 ppm.
The current sulfur dioxide (SO2) concentration at Picayune, Mississippi is 1.094 ppb.
The current ozone (O3) concentration at Picayune, Mississippi is 12.38 ppm.
The current nitrogen dioxide (NO2) concentration at Picayune, Mississippi is 3.925 ppb.
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