Alta Sierra, 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
Alta Sierra, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 44 of Good air quality on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Alta Sierra, California, United States
6 AM16th Aug 2026
8 PM
5 AM17th Aug 2026
54AQI
36AQI
52AQI
40AQI
In the last 24 hours,
Alta Sierra's AQI reached its highest point of 54 at 1 PM during the Day, while the lowest point, 36, was recorded at 11 AM during the Day between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Alta Sierra, California, United States
28°C20/35°C
28°C20/36°C
29°C22/37°C
25°C18/32°C
25°C17/34°C
27°C19/35°C
27°C19/35°C
27°C20/35°C
26°C19/34°C
26°C19/35°C
27°C19/35°C
28°C21/36°C
29°C22/37°C
30°C21/38°C
30°C22/38°C
30°C22/39°C
30°C23/38°C
29°C22/37°C
30°C21/39°C
31°C24/40°C
31°C25/38°C
31°C23/40°C
30°C22/37°C
28°C20/36°C
26°C18/35°C
23°C16/30°C
20°C13/28°C
22°C14/30°C
25°C16/33°C
26°C19/34°C
49AQI
44AQI
50AQI
45AQI
2026 Days Vs Air Quality
Alta Sierra, California, United States
98%
221
2%
4
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 229 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
Alta Sierra, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
16AQI (US)
17AQI (US)
18AQI (US)
23AQI (US)
28AQI (US)
28AQI (US)
22AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
33AQI (US)
29AQI (US)
39AQI (US)
35AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
30AQI (US)
43AQI (US)
45AQI (US)
39AQI (US)
34AQI (US)
37AQI (US)
33AQI (US)
38AQI (US)
46AQI (US)
48AQI (US)
38AQI (US)
39AQI (US)
41AQI (US)
38AQI (US)
38AQI (US)
37AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
36AQI (US)
26AQI (US)
43AQI (US)
41AQI (US)
32AQI (US)
30AQI (US)
26AQI (US)
42AQI (US)
48AQI (US)
42AQI (US)
44AQI (US)
29AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
36AQI (US)
39AQI (US)
21AQI (US)
23AQI (US)
18AQI (US)
27AQI (US)
41AQI (US)
18AQI (US)
31AQI (US)
28AQI (US)
23AQI (US)
30AQI (US)
20AQI (US)
17AQI (US)
22AQI (US)
24AQI (US)
19AQI (US)
21AQI (US)
16AQI (US)
16AQI (US)
20AQI (US)
24AQI (US)
20AQI (US)
24AQI (US)
28AQI (US)
21AQI (US)
17AQI (US)
19AQI (US)
17AQI (US)
19AQI (US)
26AQI (US)
17AQI (US)
20AQI (US)
18AQI (US)
25AQI (US)
20AQI (US)
28AQI (US)
25AQI (US)
19AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
28AQI (US)
22AQI (US)
30AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
29AQI (US)
23AQI (US)
21AQI (US)
16AQI (US)
15AQI (US)
18AQI (US)
29AQI (US)
24AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
14AQI (US)
15AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
17AQI (US)
16AQI (US)
26AQI (US)
33AQI (US)
20AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
25AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
16AQI (US)
25AQI (US)
23AQI (US)
17AQI (US)
11AQI (US)
17AQI (US)
17AQI (US)
15AQI (US)
16AQI (US)
13AQI (US)
16AQI (US)
17AQI (US)
14AQI (US)
15AQI (US)
23AQI (US)
15AQI (US)
16AQI (US)
17AQI (US)
13AQI (US)
14AQI (US)
16AQI (US)
17AQI (US)
18AQI (US)
17AQI (US)
17AQI (US)
19AQI (US)
16AQI (US)
16AQI (US)
14AQI (US)
15AQI (US)
16AQI (US)
14AQI (US)
28AQI (US)
15AQI (US)
18AQI (US)
14AQI (US)
21AQI (US)
23AQI (US)
18AQI (US)
15AQI (US)
22AQI (US)
19AQI (US)
18AQI (US)
15AQI (US)
16AQI (US)
21AQI (US)
15AQI (US)
14AQI (US)
20AQI (US)
16AQI (US)
16AQI (US)
17AQI (US)
40AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
43AQI (US)
41AQI (US)
39AQI (US)
46AQI (US)
49AQI (US)
39AQI (US)
45AQI (US)
44AQI (US)
42AQI (US)
49AQI (US)
55AQI (US)
46AQI (US)
46AQI (US)
44AQI (US)
52AQI (US)
64AQI (US)
59AQI (US)
48AQI (US)
42AQI (US)
45AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
50AQI (US)
43AQI (US)
44AQI (US)
44AQI (US)
32AQI (US)
34AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
16AQI (US)
31AQI (US)
48AQI (US)
No. of days
202627AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
October43AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
September65AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
August104AQI (US)
Lowest AQI (US) recorded in
February29AQI (US)
202052AQI (US)
Highest AQI (US) recorded in
September104AQI (US)
Lowest AQI (US) recorded in
May32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Alta Sierra's annual 2026 AQI (US) (27) shows an average percentage change of -26.9% (improved AQI (US)) compared to previous years: 2020 (52), 2021 (40), 2022 (36), 2023 (36), 2024 (32), 2025 (32).