Stay updated with real-time air quality in Hattiesburg, 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)
33
Good
Hattiesburg, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.00 μg/m³
0
55
155
255
425
605+
29.55 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
1.73 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hattiesburg, Mississippi
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AQI 33
Good
5.89μg/m³
PM2.5
26.96μg/m³
PM10
30.00ppb
O3
0.49ppb
SO2
1.66ppb
NO2
0.16ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.31μg/m³
PM10
25.83ppb
O3
0.44ppb
SO2
1.55ppb
NO2
0.16ppm
CO
AQI 28
Good
4.66μg/m³
PM2.5
22.56μg/m³
PM10
30.32ppb
O3
0.64ppb
SO2
1.73ppb
NO2
0.16ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
21.38μg/m³
PM10
28.69ppb
O3
0.71ppb
SO2
1.81ppb
NO2
0.17ppm
CO
AQI 28
Good
5.39μg/m³
PM2.5
23.23μg/m³
PM10
29.75ppb
O3
0.56ppb
SO2
1.80ppb
NO2
0.19ppm
CO
AQI 30
Good
4.25μg/m³
PM2.5
19.18μg/m³
PM10
31.98ppb
O3
0.59ppb
SO2
1.79ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Mississippi, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Hattiesburg, Mississippi is updated every hour for accuracy.
In the past 24 hours, the air quality in Hattiesburg, Mississippi was at its worst at 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 08:00:00 on 2026-03-08.
As of now, the AQI in Hattiesburg, Mississippi is 33, indicating Good conditions.
Hattiesburg, Mississippi air has the highest levels of PM2.5.
Poor air quality in Hattiesburg, Mississippi means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hattiesburg, Mississippi are currently 5.799 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 24.997 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.185 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.514 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 29.546 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 1.731 ppb.
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