Stay updated with real-time air quality in Spencer, Iowa 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)
38
Good
Spencer, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.27 μg/m³
0
55
155
255
425
605+
41.11 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
2.83 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Spencer, Iowa
Spencer, Iowa
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AQI 37
Good
2.47μg/m³
PM2.5
11.36μg/m³
PM10
40.01ppb
O3
0.68ppb
SO2
3.12ppb
NO2
0.16ppm
CO
AQI 41
Good
1.19μg/m³
PM2.5
5.00μg/m³
PM10
43.53ppb
O3
0.07ppb
SO2
0.34ppb
NO2
0.10ppm
CO
AQI 40
Good
2.93μg/m³
PM2.5
11.20μg/m³
PM10
43.44ppb
O3
0.81ppb
SO2
2.85ppb
NO2
0.21ppm
CO
AQI 35
Good
2.55μg/m³
PM2.5
9.11μg/m³
PM10
38.06ppb
O3
1.05ppb
SO2
4.14ppb
NO2
0.18ppm
CO
AQI 40
Good
3.40μg/m³
PM2.5
18.00μg/m³
PM10
42.80ppb
O3
0.88ppb
SO2
3.65ppb
NO2
0.20ppm
CO
AQI 41
Good
1.51μg/m³
PM2.5
6.00μg/m³
PM10
44.05ppb
O3
0.15ppb
SO2
0.37ppb
NO2
0.10ppm
CO
Air quality and pollutant data for Iowa, 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 Spencer, Iowa is updated every hour for accuracy.
In the past 24 hours, the air quality in Spencer, Iowa was at its worst at 11:00:00 on 2026-06-11.
In the last 24 hours, the best air quality in Spencer, Iowa was observed at 01:00:00 on 2026-06-12.
As of now, the AQI in Spencer, Iowa is 38, indicating Good conditions.
Spencer, Iowa air has the highest levels of O3.
Poor air quality in Spencer, Iowa means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Spencer, Iowa are currently 2.854 μg/m3.
The PM10 concentration in Spencer, Iowa is 12.273 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Spencer, Iowa is 0.194 ppm.
Currently, Spencer, Iowa has a sulfur dioxide (SO2) concentration of 0.824 ppb.
The current ozone (O3) level in Spencer, Iowa at the moment is 41.112 ppm.
Nitrogen dioxide (NO2) level in Spencer, Iowa at the moment is 2.835 ppb.
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