Donner Pass Road, Truckee, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Donner Pass Road, Truckee, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Donner Pass Road, Truckee, California, United States
5 AM10th Aug 2025
8 PM
4 AM11th Aug 2025
33AQI
26AQI
39AQI
29AQI
In the last 24 hours,
Donner Pass Road's AQI reached its highest point of 39 at 12 AM during the Night, while the lowest point, 26, was recorded at 6 PM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Donner Pass Road, Truckee, California, United States
24°C18/32°C
24°C17/34°C
24°C19/33°C
21°C14/29°C
20°C14/28°C
20°C14/28°C
19°C13/28°C
20°C13/30°C
20°C13/28°C
16°C11/23°C
15°C10/21°C
17°C10/24°C
15°C10/24°C
14°C10/22°C
15°C10/20°C
17°C12/21°C
18°C13/24°C
19°C13/26°C
17°C15/21°C
18°C10/26°C
19°C14/25°C
19°C12/27°C
18°C12/25°C
16°C9/24°C
17°C9/25°C
18°C12/27°C
20°C12/27°C
21°C15/29°C
23°C17/31°C
24°C18/32°C
--°C/°C
32AQI
27AQI
32AQI
28AQI
2025 Days Vs Air Quality
Donner Pass Road, Truckee, California, United States
98%
135
2%
3
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 223 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
Donner Pass Road, Truckee, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
21AQI
21AQI
21AQI
21AQI
21AQI
18AQI
17AQI
20AQI
19AQI
16AQI
19AQI
17AQI
14AQI
21AQI
28AQI
28AQI
27AQI
27AQI
27AQI
24AQI
22AQI
23AQI
19AQI
19AQI
21AQI
19AQI
26AQI
25AQI
25AQI
31AQI
22AQI
19AQI
19AQI
23AQI
28AQI
18AQI
25AQI
24AQI
16AQI
17AQI
17AQI
19AQI
24AQI
27AQI
26AQI
24AQI
18AQI
16AQI
18AQI
20AQI
23AQI
22AQI
20AQI
19AQI
16AQI
23AQI
21AQI
19AQI
24AQI
27AQI
21AQI
24AQI
26AQI
26AQI
34AQI
30AQI
21AQI
22AQI
30AQI
28AQI
30AQI
32AQI
44AQI
39AQI
32AQI
34AQI
29AQI
25AQI
25AQI
24AQI
24AQI
23AQI
28AQI
29AQI
25AQI
28AQI
23AQI
21AQI
21AQI
24AQI
31AQI
28AQI
31AQI
37AQI
42AQI
43AQI
38AQI
33AQI
33AQI
23AQI
26AQI
26AQI
24AQI
27AQI
26AQI
30AQI
49AQI
54AQI
53AQI
54AQI
36AQI
35AQI
41AQI
32AQI
29AQI
26AQI
22AQI
17AQI
21AQI
24AQI
28AQI
31AQI
25AQI
28AQI
31AQI
32AQI
33AQI
30AQI
24AQI
21AQI
23AQI
24AQI
24AQI
26AQI
25AQI
29AQI
31AQI
21AQI
22AQI
22AQI
29AQI
32AQI
26AQI
No. of days
202526AQI
Highest AQI recorded in
July32AQI
Lowest AQI recorded in
March21AQI
Most & Least Polluted Years Over the Last 1 Years
Donner Pass Road's annual 2025 AQI (26) shows an average percentage change of NaN% (improved AQI) compared to previous years: .