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
7.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.99 μg/m³
0
55
155
255
425
605+
14.81 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
4.67 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 27
Good
5.21μg/m³
PM2.5
23.03μg/m³
PM10
16.46ppb
O3
0.95ppb
SO2
3.25ppb
NO2
0.29ppm
CO
AQI 27
Good
4.62μg/m³
PM2.5
21.80μg/m³
PM10
15.30ppb
O3
0.92ppb
SO2
3.02ppb
NO2
0.30ppm
CO
AQI 27
Good
5.42μg/m³
PM2.5
22.23μg/m³
PM10
16.74ppb
O3
0.97ppb
SO2
4.09ppb
NO2
0.30ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
26.84μg/m³
PM10
12.62ppb
O3
1.03ppb
SO2
3.68ppb
NO2
0.30ppm
CO
AQI 38
Good
6.69μg/m³
PM2.5
32.09μg/m³
PM10
12.59ppb
O3
0.96ppb
SO2
3.96ppb
NO2
0.29ppm
CO
AQI 38
Good
7.14μg/m³
PM2.5
31.75μg/m³
PM10
12.94ppb
O3
0.97ppb
SO2
3.93ppb
NO2
0.29ppm
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 2025-12-06.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 03:00:00 on 2025-12-07.
As of now, the AQI in Hattiesburg, Mississippi is 27, 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 5.201 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 23.005 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.295 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.949 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 16.493 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 3.25 ppb.
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