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)
24
Good
Spencer, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.65 μg/m³
0
55
155
255
425
605+
26.30 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
2.44 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Spencer, Iowa
Spencer, Iowa
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AQI 25
Good
2.15μg/m³
PM2.5
9.42μg/m³
PM10
26.65ppb
O3
0.60ppb
SO2
2.02ppb
NO2
0.18ppm
CO
AQI 25
Good
0.56μg/m³
PM2.5
2.00μg/m³
PM10
26.64ppb
O3
0.19ppb
SO2
1.19ppb
NO2
0.11ppm
CO
AQI 22
Good
1.73μg/m³
PM2.5
12.20μg/m³
PM10
24.40ppb
O3
0.69ppb
SO2
2.45ppb
NO2
0.21ppm
CO
AQI 24
Good
2.67μg/m³
PM2.5
12.86μg/m³
PM10
25.71ppb
O3
1.08ppb
SO2
4.67ppb
NO2
0.20ppm
CO
AQI 30
Good
3.20μg/m³
PM2.5
32.00μg/m³
PM10
29.05ppb
O3
0.68ppb
SO2
2.14ppb
NO2
0.21ppm
CO
AQI 21
Good
1.44μg/m³
PM2.5
5.78μg/m³
PM10
23.16ppb
O3
0.23ppb
SO2
1.12ppb
NO2
0.11ppm
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 01:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Spencer, Iowa was observed at 03:00:00 on 2025-10-21.
As of now, the AQI in Spencer, Iowa is 24, 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 2.012 μg/m3.
The PM10 concentration in Spencer, Iowa is 13.652 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Spencer, Iowa is 0.213 ppm.
Currently, Spencer, Iowa has a sulfur dioxide (SO2) concentration of 0.716 ppb.
The current ozone (O3) level in Spencer, Iowa at the moment is 26.3 ppm.
Nitrogen dioxide (NO2) level in Spencer, Iowa at the moment is 2.436 ppb.
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