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
7.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.99 μg/m³
0
55
155
255
425
605+
16.38 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
1.76 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hattiesburg, Mississippi
Hattiesburg, Mississippi
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AQI 38
Good
6.70μg/m³
PM2.5
29.98μg/m³
PM10
12.15ppb
O3
0.69ppb
SO2
1.97ppb
NO2
0.23ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
25.75μg/m³
PM10
16.23ppb
O3
0.80ppb
SO2
1.90ppb
NO2
0.23ppm
CO
AQI 38
Good
6.78μg/m³
PM2.5
25.15μg/m³
PM10
12.36ppb
O3
0.78ppb
SO2
2.92ppb
NO2
0.23ppm
CO
AQI 38
Good
7.14μg/m³
PM2.5
29.73μg/m³
PM10
16.95ppb
O3
0.80ppb
SO2
2.90ppb
NO2
0.21ppm
CO
AQI 33
Good
5.91μg/m³
PM2.5
26.70μg/m³
PM10
20.06ppb
O3
0.86ppb
SO2
1.95ppb
NO2
0.19ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
25.06μg/m³
PM10
12.10ppb
O3
0.91ppb
SO2
1.99ppb
NO2
0.19ppm
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 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Hattiesburg, Mississippi was observed at 07:00:00 on 2026-09-07.
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 7.599 μg/m3.
The PM10 concentration in Hattiesburg, Mississippi is 33.994 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hattiesburg, Mississippi is 0.232 ppm.
Currently, Hattiesburg, Mississippi has a sulfur dioxide (SO2) concentration of 0.655 ppb.
The current ozone (O3) level in Hattiesburg, Mississippi at the moment is 16.378 ppm.
Nitrogen dioxide (NO2) level in Hattiesburg, Mississippi at the moment is 1.758 ppb.
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