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)
49
Good
Hattiesburg, Mississippi
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.99 μg/m³
0
55
155
255
425
605+
28.15 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
5.86 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 56
Moderate
11.76μg/m³
PM2.5
51.79μg/m³
PM10
30.14ppb
O3
0.68ppb
SO2
5.75ppb
NO2
0.33ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
27.47μg/m³
PM10
26.81ppb
O3
0.66ppb
SO2
5.78ppb
NO2
0.33ppm
CO
AQI 29
Good
4.25μg/m³
PM2.5
21.14μg/m³
PM10
31.25ppb
O3
0.69ppb
SO2
6.05ppb
NO2
0.34ppm
CO
AQI 30
Good
4.31μg/m³
PM2.5
22.99μg/m³
PM10
31.57ppb
O3
0.71ppb
SO2
5.83ppb
NO2
0.33ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
26.28μg/m³
PM10
31.10ppb
O3
0.79ppb
SO2
4.48ppb
NO2
0.30ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
25.15μg/m³
PM10
29.16ppb
O3
0.76ppb
SO2
4.90ppb
NO2
0.31ppm
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 12:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 02:00:00 on 2025-10-22.
As of now, the AQI in Hattiesburg, Mississippi is 49, 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 9.497 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 42.988 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.342 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.929 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 28.148 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 5.862 ppb.
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