Stay updated with real-time air quality in Hammond, Indiana 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
Hammond, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.38 μg/m³
0
55
155
255
425
605+
4.03 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
12.48 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hammond, Indiana
Hammond, Indiana
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AQI 22
Good
4.32μg/m³
PM2.5
18.65μg/m³
PM10
20.28ppb
O3
0.80ppb
SO2
21.93ppb
NO2
0.39ppm
CO
AQI 27
Good
4.69μg/m³
PM2.5
20.47μg/m³
PM10
19.29ppb
O3
0.79ppb
SO2
20.34ppb
NO2
0.39ppm
CO
AQI 22
Good
4.34μg/m³
PM2.5
18.80μg/m³
PM10
20.00ppb
O3
0.80ppb
SO2
21.16ppb
NO2
0.39ppm
CO
AQI 22
Good
4.03μg/m³
PM2.5
17.27μg/m³
PM10
20.04ppb
O3
0.78ppb
SO2
21.52ppb
NO2
0.39ppm
CO
AQI 22
Good
3.69μg/m³
PM2.5
15.61μg/m³
PM10
20.93ppb
O3
0.84ppb
SO2
21.01ppb
NO2
0.39ppm
CO
AQI 22
Good
3.83μg/m³
PM2.5
16.35μg/m³
PM10
19.77ppb
O3
0.74ppb
SO2
21.09ppb
NO2
0.39ppm
CO
The air quality data for Indiana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Hammond, Indiana are available every hour.
Hammond, Indiana experienced its worst air quality at 03:00:00, 2025-10-24.
The best air quality in Hammond, Indiana was observed at 02:00:00 on 2025-10-24.
The air quality in Hammond, Indiana right now is Good, with an AQI of 27.
In Hammond, Indiana, PM2.5 is the most frequently found pollutant.
When air quality in Hammond, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Hammond, Indiana currently has a PM2.5 concentration of 4.736 μg/m3.
Hammond, Indiana currently has a PM10 concentration of 21.105 μg/m3.
The current carbon monoxide (CO) level in Hammond, Indiana is 0.438 ppm.
The current sulfur dioxide (SO2) concentration in Hammond, Indiana is 0.759 ppb.
Hammond, Indiana currently has an ozone (O3) concentration of 14.69 ppm.
The current level of nitrogen dioxide (NO2) in Hammond, Indiana is 20.518 ppb.
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