Stay updated with real-time air quality in Nampa, Idaho 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)
27
Good
Nampa, Idaho
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.54 μg/m³
0
55
155
255
425
605+
19.15 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
7.93 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Nampa, Idaho
Nampa, Idaho
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AQI 18
Good
2.21μg/m³
PM2.5
10.00μg/m³
PM10
18.91ppb
O3
0.45ppb
SO2
3.17ppb
NO2
0.12ppm
CO
AQI 19
Good
2.49μg/m³
PM2.5
11.62μg/m³
PM10
20.33ppb
O3
0.49ppb
SO2
3.19ppb
NO2
0.12ppm
CO
AQI 18
Good
2.31μg/m³
PM2.5
8.31μg/m³
PM10
18.90ppb
O3
0.45ppb
SO2
2.33ppb
NO2
0.12ppm
CO
AQI 19
Good
2.51μg/m³
PM2.5
11.57μg/m³
PM10
21.00ppb
O3
0.45ppb
SO2
3.13ppb
NO2
0.12ppm
CO
AQI 19
Good
2.46μg/m³
PM2.5
11.51μg/m³
PM10
20.12ppb
O3
0.58ppb
SO2
3.18ppb
NO2
0.12ppm
CO
AQI 18
Good
2.18μg/m³
PM2.5
9.61μg/m³
PM10
19.31ppb
O3
0.45ppb
SO2
2.33ppb
NO2
0.12ppm
CO
Air quality data and pollutant measurements for Idaho, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Nampa, Idaho is updated every hour.
The worst air quality in Nampa, Idaho in the last 24 hours was observed at 12:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Nampa, Idaho was observed at 12:00:00 on 2026-06-08.
The current air quality in Nampa, Idaho is 19, categorized as Good based on real-time data.
The most common pollutant in Nampa, Idaho is O3.
If the air quality in Nampa, Idaho is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Nampa, Idaho is 3.44 μg/m3.
The current PM10 concentration at Nampa, Idaho is 16.669 μg/m3.
The current carbon monoxide (CO) concentration at Nampa, Idaho is 0.141 ppm.
The current sulfur dioxide (SO2) concentration at Nampa, Idaho is 0.502 ppb.
The current ozone (O3) concentration at Nampa, Idaho is 21.059 ppm.
The current nitrogen dioxide (NO2) concentration at Nampa, Idaho is 3.761 ppb.
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