Grangeville, Idaho, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Grangeville, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (6th March):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Mar - 6th Mar 2026
Grangeville, Idaho, United States
6 AM5th Mar 2026
5 PM
5 AM6th Mar 2026
65AQI
34AQI
59AQI
8AQI
In the last 24 hours,
Grangeville's AQI reached its highest point of 65 at 9 AM during the Day, while the lowest point, 8, was recorded at 12 AM during the Night between 5th Mar and 6th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Grangeville, Idaho, United States
8°C4/16°C
7°C2/16°C
7°C1/17°C
6°C4/8°C
3°C0/6°C
2°C0/8°C
2°C-3/9°C
2°C-2/10°C
4°C-1/11°C
4°C0/10°C
4°C0/8°C
5°C0/12°C
1°C-3/5°C
-1°C-5/2°C
-3°C-8/4°C
-3°C-6/1°C
0°C-7/10°C
6°C0/14°C
8°C2/14°C
2°C1/8°C
3°C1/8°C
4°C0/12°C
7°C2/15°C
7°C1/15°C
5°C-1/14°C
6°C1/14°C
7°C1/17°C
6°C3/10°C
3°C2/6°C
4°C0/8°C
56AQI
43AQI
44AQI
37AQI
2026 Days Vs Air Quality
Grangeville, Idaho, United States
92%
60
8%
5
Total number of days with different AQI categories in last 66 days in 2026 (299 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 66 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
Grangeville, Idaho, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
16AQI (US)
18AQI (US)
15AQI (US)
19AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
32AQI (US)
22AQI (US)
20AQI (US)
26AQI (US)
32AQI (US)
35AQI (US)
36AQI (US)
18AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
48AQI (US)
53AQI (US)
47AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
45AQI (US)
51AQI (US)
46AQI (US)
43AQI (US)
47AQI (US)
48AQI (US)
47AQI (US)
46AQI (US)
47AQI (US)
39AQI (US)
40AQI (US)
45AQI (US)
45AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
53AQI (US)
47AQI (US)
39AQI (US)
42AQI (US)
51AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
43AQI (US)
40AQI (US)
42AQI (US)
50AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
52AQI (US)
45AQI (US)
48AQI (US)
46AQI (US)
35AQI (US)
30AQI (US)
44AQI (US)
45AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
September43AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Grangeville's annual 2026 AQI (US) (37) shows an average percentage change of 32.8% (worsened AQI (US)) compared to previous years: 2025 (28).