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)
27
Good
Hattiesburg, Mississippi
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.00 μg/m³
0
55
155
255
425
605+
11.19 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
2.84 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 22
Good
4.41μg/m³
PM2.5
19.03μg/m³
PM10
19.30ppb
O3
0.81ppb
SO2
2.85ppb
NO2
0.37ppm
CO
AQI 27
Good
4.74μg/m³
PM2.5
22.25μg/m³
PM10
23.36ppb
O3
0.84ppb
SO2
2.45ppb
NO2
0.37ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
21.25μg/m³
PM10
9.24ppb
O3
0.86ppb
SO2
4.41ppb
NO2
0.37ppm
CO
AQI 27
Good
5.28μg/m³
PM2.5
20.40μg/m³
PM10
8.04ppb
O3
0.89ppb
SO2
4.61ppb
NO2
0.33ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
22.65μg/m³
PM10
22.51ppb
O3
0.69ppb
SO2
1.35ppb
NO2
0.32ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
22.02μg/m³
PM10
22.79ppb
O3
0.77ppb
SO2
2.07ppb
NO2
0.32ppm
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 09:00:00 on 2026-08-12.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 07:00:00 on 2026-08-13.
As of now, the AQI in Hattiesburg, Mississippi is 22, 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 4.401 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 19.004 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.371 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.807 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 19.309 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 2.851 ppb.
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