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)
43
Good
Hammond, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.52 μg/m³
0
55
155
255
425
605+
45.75 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
3.44 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hammond, Indiana
Hammond, Indiana
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AQI 43
Good
4.40μg/m³
PM2.5
19.53μg/m³
PM10
46.18ppb
O3
0.51ppb
SO2
3.45ppb
NO2
0.20ppm
CO
AQI 44
Good
4.45μg/m³
PM2.5
19.30μg/m³
PM10
46.76ppb
O3
0.48ppb
SO2
3.46ppb
NO2
0.20ppm
CO
AQI 44
Good
4.84μg/m³
PM2.5
21.28μg/m³
PM10
46.62ppb
O3
0.49ppb
SO2
3.46ppb
NO2
0.20ppm
CO
AQI 43
Good
4.50μg/m³
PM2.5
20.07μg/m³
PM10
45.95ppb
O3
0.53ppb
SO2
3.43ppb
NO2
0.20ppm
CO
AQI 44
Good
4.58μg/m³
PM2.5
20.41μg/m³
PM10
46.67ppb
O3
0.54ppb
SO2
3.44ppb
NO2
0.20ppm
CO
AQI 43
Good
4.76μg/m³
PM2.5
21.21μg/m³
PM10
45.68ppb
O3
0.53ppb
SO2
3.42ppb
NO2
0.20ppm
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 10:00:00, 2026-06-13.
The best air quality in Hammond, Indiana was observed at 01:00:00 on 2026-06-13.
The air quality in Hammond, Indiana right now is Good, with an AQI of 43.
In Hammond, Indiana, O3 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 4.132 μg/m3.
Hammond, Indiana currently has a PM10 concentration of 18.524 μg/m3.
The current carbon monoxide (CO) level in Hammond, Indiana is 0.205 ppm.
The current sulfur dioxide (SO2) concentration in Hammond, Indiana is 0.522 ppb.
Hammond, Indiana currently has an ozone (O3) concentration of 45.754 ppm.
The current level of nitrogen dioxide (NO2) in Hammond, Indiana is 3.44 ppb.
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