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)
44
Good
Picayune, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.40 μg/m³
0
55
155
255
425
605+
41.33 ppb
0
55
71
86
201
201+
1.27 ppb
0
36
76
186
605
1005+
4.39 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Picayune, Mississippi
Picayune, Mississippi
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AQI 49
Good
8.65μg/m³
PM2.5
38.00μg/m³
PM10
39.70ppb
O3
0.19ppb
SO2
1.87ppb
NO2
0.14ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
34.93μg/m³
PM10
35.11ppb
O3
0.53ppb
SO2
1.79ppb
NO2
0.14ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
28.95μg/m³
PM10
34.86ppb
O3
0.24ppb
SO2
2.55ppb
NO2
0.14ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
31.31μg/m³
PM10
37.05ppb
O3
0.18ppb
SO2
2.57ppb
NO2
0.14ppm
CO
AQI 52
Moderate
9.57μg/m³
PM2.5
42.81μg/m³
PM10
50.62ppb
O3
0.19ppb
SO2
1.08ppb
NO2
0.13ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
37.21μg/m³
PM10
47.16ppb
O3
0.21ppb
SO2
1.09ppb
NO2
0.13ppm
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 10:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Picayune, Mississippi was observed at 12:00:00 on 2026-04-24.
The current air quality in Picayune, Mississippi is 44, 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 8.288 μg/m3.
The current PM10 concentration at Picayune, Mississippi is 35.397 μg/m3.
The current carbon monoxide (CO) concentration at Picayune, Mississippi is 0.291 ppm.
The current sulfur dioxide (SO2) concentration at Picayune, Mississippi is 1.272 ppb.
The current ozone (O3) concentration at Picayune, Mississippi is 41.329 ppm.
The current nitrogen dioxide (NO2) concentration at Picayune, Mississippi is 4.393 ppb.
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