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
8.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.99 μg/m³
0
55
155
255
425
605+
42.53 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
4.51 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 49
Good
8.88μg/m³
PM2.5
38.92μg/m³
PM10
42.53ppb
O3
0.83ppb
SO2
4.52ppb
NO2
0.27ppm
CO
AQI 52
Moderate
10.30μg/m³
PM2.5
44.68μg/m³
PM10
38.56ppb
O3
0.77ppb
SO2
4.46ppb
NO2
0.27ppm
CO
AQI 49
Good
8.78μg/m³
PM2.5
40.01μg/m³
PM10
42.43ppb
O3
1.12ppb
SO2
4.16ppb
NO2
0.28ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
35.40μg/m³
PM10
41.33ppb
O3
1.27ppb
SO2
4.39ppb
NO2
0.29ppm
CO
AQI 41
Good
6.56μg/m³
PM2.5
28.57μg/m³
PM10
43.70ppb
O3
0.69ppb
SO2
5.66ppb
NO2
0.30ppm
CO
AQI 42
Good
6.11μg/m³
PM2.5
27.05μg/m³
PM10
45.01ppb
O3
0.82ppb
SO2
5.38ppb
NO2
0.30ppm
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 2026-04-24.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 03:00:00 on 2026-04-24.
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 8.898 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 38.991 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.274 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.829 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 42.534 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 4.514 ppb.
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