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)
22
Good
Picayune, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.18 μg/m³
0
55
155
255
425
605+
24.49 ppb
0
55
71
86
201
201+
1.27 ppb
0
36
76
186
605
1005+
17.42 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Picayune, Mississippi
Picayune, Mississippi
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AQI 33
Good
5.60μg/m³
PM2.5
21.49μg/m³
PM10
5.99ppb
O3
1.23ppb
SO2
11.82ppb
NO2
0.31ppm
CO
AQI 33
Good
6.41μg/m³
PM2.5
26.22μg/m³
PM10
8.58ppb
O3
1.10ppb
SO2
11.32ppb
NO2
0.31ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
31.15μg/m³
PM10
3.70ppb
O3
1.23ppb
SO2
12.14ppb
NO2
0.31ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
18.04μg/m³
PM10
4.65ppb
O3
1.22ppb
SO2
12.25ppb
NO2
0.31ppm
CO
AQI 22
Good
4.35μg/m³
PM2.5
18.77μg/m³
PM10
5.36ppb
O3
1.13ppb
SO2
10.45ppb
NO2
0.37ppm
CO
AQI 27
Good
4.51μg/m³
PM2.5
17.95μg/m³
PM10
4.64ppb
O3
1.05ppb
SO2
9.24ppb
NO2
0.37ppm
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 09:00:00 on 2025-11-12.
In the last 24 hrs, the best air quality in Picayune, Mississippi was observed at 11:00:00 on 2025-11-13.
The current air quality in Picayune, Mississippi is 27, 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 5.114 μg/m3.
The current PM10 concentration at Picayune, Mississippi is 21.343 μg/m3.
The current carbon monoxide (CO) concentration at Picayune, Mississippi is 0.31 ppm.
The current sulfur dioxide (SO2) concentration at Picayune, Mississippi is 1.139 ppb.
The current ozone (O3) concentration at Picayune, Mississippi is 4.869 ppm.
The current nitrogen dioxide (NO2) concentration at Picayune, Mississippi is 11.545 ppb.
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