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

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.02 μg/m³
0
55
155
255
425
605+
26.80 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
1.51 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 44
Good
8.14μg/m³
PM2.5
36.21μg/m³
PM10
26.77ppb
O3
0.70ppb
SO2
1.51ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.57μg/m³
PM2.5
50.63μg/m³
PM10
25.31ppb
O3
0.72ppb
SO2
1.40ppb
NO2
0.20ppm
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 56
Moderate
11.70μg/m³
PM2.5
47.28μg/m³
PM10
25.98ppb
O3
0.85ppb
SO2
1.98ppb
NO2
0.18ppm
CO
AQI 60
Moderate
13.69μg/m³
PM2.5
55.96μg/m³
PM10
23.09ppb
O3
0.62ppb
SO2
1.25ppb
NO2
0.18ppm
CO
AQI 60
Moderate
14.25μg/m³
PM2.5
64.73μg/m³
PM10
22.10ppb
O3
0.67ppb
SO2
1.51ppb
NO2
0.18ppm
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 01:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 01:00:00 on 2026-07-23.
As of now, the AQI in Hattiesburg, Mississippi is 44, 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 8.106 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 36.023 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.197 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.704 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 26.798 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 1.512 ppb.
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