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)
67
Moderate
Hammond, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
17.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
78.13 μg/m³
0
55
155
255
425
605+
26.98 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
10.57 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hammond, Indiana
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AQI 69
Moderate
19.45μg/m³
PM2.5
85.36μg/m³
PM10
25.57ppb
O3
0.54ppb
SO2
7.59ppb
NO2
0.17ppm
CO
AQI 67
Moderate
17.54μg/m³
PM2.5
77.14μg/m³
PM10
22.69ppb
O3
0.54ppb
SO2
8.25ppb
NO2
0.17ppm
CO
AQI 64
Moderate
15.89μg/m³
PM2.5
69.75μg/m³
PM10
23.95ppb
O3
0.55ppb
SO2
8.08ppb
NO2
0.17ppm
CO
AQI 67
Moderate
17.54μg/m³
PM2.5
77.00μg/m³
PM10
25.82ppb
O3
0.54ppb
SO2
8.24ppb
NO2
0.17ppm
CO
AQI 58
Moderate
13.10μg/m³
PM2.5
57.57μg/m³
PM10
26.78ppb
O3
0.55ppb
SO2
8.02ppb
NO2
0.17ppm
CO
AQI 64
Moderate
15.69μg/m³
PM2.5
68.97μg/m³
PM10
25.22ppb
O3
0.53ppb
SO2
8.99ppb
NO2
0.17ppm
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, 2026-03-11.
The best air quality in Hammond, Indiana was observed at 10:00:00 on 2026-03-10.
The air quality in Hammond, Indiana right now is Moderate, with an AQI of 73.
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 21.486 μg/m3.
Hammond, Indiana currently has a PM10 concentration of 94.827 μg/m3.
The current carbon monoxide (CO) level in Hammond, Indiana is 0.151 ppm.
The current sulfur dioxide (SO2) concentration in Hammond, Indiana is 0.506 ppb.
Hammond, Indiana currently has an ozone (O3) concentration of 23.815 ppm.
The current level of nitrogen dioxide (NO2) in Hammond, Indiana is 6.49 ppb.
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