Nampa Ridgecrest, Nampa, Idaho, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Nampa Ridgecrest, Nampa, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (31st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Nampa Ridgecrest, Nampa, Idaho, United States
90%
199
10%
21
Total number of days with different AQI categories in last 305 days in 2025 (60 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 305 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Nampa Ridgecrest, Nampa, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
41AQI
36AQI
34AQI
34AQI
36AQI
30AQI
33AQI
33AQI
31AQI
36AQI
42AQI
32AQI
22AQI
37AQI
46AQI
36AQI
30AQI
30AQI
35AQI
40AQI
37AQI
29AQI
23AQI
29AQI
36AQI
22AQI
26AQI
28AQI
31AQI
36AQI
37AQI
33AQI
31AQI
36AQI
32AQI
38AQI
35AQI
36AQI
23AQI
27AQI
23AQI
25AQI
32AQI
32AQI
30AQI
37AQI
28AQI
21AQI
20AQI
23AQI
22AQI
33AQI
24AQI
26AQI
25AQI
22AQI
29AQI
28AQI
33AQI
32AQI
32AQI
29AQI
36AQI
40AQI
28AQI
34AQI
40AQI
23AQI
24AQI
30AQI
35AQI
43AQI
39AQI
30AQI
40AQI
44AQI
44AQI
33AQI
25AQI
23AQI
23AQI
34AQI
40AQI
42AQI
39AQI
39AQI
33AQI
30AQI
30AQI
39AQI
41AQI
39AQI
35AQI
27AQI
28AQI
35AQI
46AQI
46AQI
41AQI
36AQI
51AQI
43AQI
35AQI
39AQI
40AQI
32AQI
30AQI
40AQI
41AQI
38AQI
36AQI
33AQI
43AQI
52AQI
44AQI
36AQI
24AQI
27AQI
33AQI
37AQI
37AQI
37AQI
26AQI
32AQI
33AQI
38AQI
53AQI
41AQI
37AQI
47AQI
29AQI
28AQI
34AQI
29AQI
22AQI
26AQI
28AQI
29AQI
33AQI
42AQI
34AQI
31AQI
30AQI
18AQI
29AQI
35AQI
35AQI
28AQI
49AQI
61AQI
66AQI
56AQI
57AQI
34AQI
55AQI
53AQI
54AQI
51AQI
54AQI
54AQI
55AQI
55AQI
86AQI
70AQI
49AQI
45AQI
45AQI
52AQI
35AQI
31AQI
44AQI
45AQI
28AQI
31AQI
35AQI
41AQI
40AQI
44AQI
36AQI
29AQI
39AQI
38AQI
46AQI
46AQI
58AQI
63AQI
48AQI
35AQI
26AQI
20AQI
15AQI
41AQI
45AQI
26AQI
32AQI
57AQI
34AQI
43AQI
38AQI
22AQI
24AQI
26AQI
34AQI
41AQI
47AQI
48AQI
41AQI
24AQI
41AQI
46AQI
44AQI
49AQI
50AQI
22AQI
26AQI
38AQI
42AQI
43AQI
45AQI
37AQI
33AQI
29AQI
34AQI
38AQI
39AQI
46AQI
36AQI
No. of days
202536AQI
Highest AQI recorded in
September46AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 1 Years
Nampa Ridgecrest's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .