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)
49
Good
Spencer, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.06 μg/m³
0
55
155
255
425
605+
21.86 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
9.07 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Spencer, Iowa
Spencer, Iowa
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AQI 38
Good
7.47μg/m³
PM2.5
34.17μg/m³
PM10
21.95ppb
O3
0.49ppb
SO2
7.46ppb
NO2
0.23ppm
CO
AQI 22
Good
4.18μg/m³
PM2.5
18.25μg/m³
PM10
19.60ppb
O3
0.34ppb
SO2
3.32ppb
NO2
0.14ppm
CO
AQI 49
Good
9.18μg/m³
PM2.5
34.21μg/m³
PM10
23.62ppb
O3
0.50ppb
SO2
7.23ppb
NO2
0.23ppm
CO
AQI 44
Good
7.86μg/m³
PM2.5
38.60μg/m³
PM10
22.88ppb
O3
0.52ppb
SO2
8.30ppb
NO2
0.26ppm
CO
AQI 55
Moderate
11.30μg/m³
PM2.5
64.00μg/m³
PM10
22.47ppb
O3
0.46ppb
SO2
8.40ppb
NO2
0.25ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
22.38μg/m³
PM10
18.64ppb
O3
0.34ppb
SO2
6.18ppb
NO2
0.17ppm
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 04:00:00 on 2026-10-07.
In the last 24 hours, the best air quality in Spencer, Iowa was observed at 01:00:00 on 2026-10-06.
As of now, the AQI in Spencer, Iowa is 52, indicating Moderate conditions.
Spencer, Iowa air has the highest levels of PM2.5.
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 10.021 μg/m3.
The PM10 concentration in Spencer, Iowa is 35.034 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Spencer, Iowa is 0.248 ppm.
Currently, Spencer, Iowa has a sulfur dioxide (SO2) concentration of 0.475 ppb.
The current ozone (O3) level in Spencer, Iowa at the moment is 24.421 ppm.
Nitrogen dioxide (NO2) level in Spencer, Iowa at the moment is 6.905 ppb.
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