Happy Camp, Yreka, 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
Happy Camp, Yreka, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Happy Camp, Yreka, California, United States
6 AM12th Aug 2025
8 PM
5 AM13th Aug 2025
38AQI
29AQI
38AQI
27AQI
In the last 24 hours,
Happy Camp's AQI reached its highest point of 38 at 1 PM during the Day, while the lowest point, 27, was recorded at 9 PM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Happy Camp, Yreka, California, United States
27°C19/34°C
26°C18/33°C
26°C20/33°C
25°C19/32°C
25°C16/32°C
23°C14/32°C
22°C15/30°C
18°C13/22°C
22°C15/28°C
23°C17/30°C
23°C17/31°C
23°C15/30°C
22°C15/28°C
21°C14/29°C
22°C13/31°C
23°C13/32°C
23°C16/31°C
23°C14/31°C
22°C13/31°C
21°C12/30°C
19°C11/25°C
18°C10/26°C
19°C10/28°C
19°C10/27°C
21°C13/29°C
21°C10/31°C
24°C13/34°C
27°C17/38°C
28°C17/38°C
28°C19/37°C
--°C/°C
26AQI
26AQI
26AQI
26AQI
2025 Days Vs Air Quality
Happy Camp, Yreka, California, United States
94%
210
6%
14
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 225 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
Happy Camp, Yreka, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
35AQI
29AQI
25AQI
28AQI
29AQI
32AQI
37AQI
43AQI
45AQI
34AQI
33AQI
36AQI
52AQI
57AQI
59AQI
55AQI
48AQI
57AQI
51AQI
60AQI
68AQI
65AQI
60AQI
43AQI
47AQI
59AQI
65AQI
71AQI
70AQI
47AQI
39AQI
38AQI
43AQI
45AQI
36AQI
41AQI
38AQI
39AQI
38AQI
34AQI
39AQI
48AQI
35AQI
31AQI
31AQI
29AQI
28AQI
40AQI
32AQI
30AQI
37AQI
47AQI
28AQI
31AQI
29AQI
42AQI
47AQI
48AQI
43AQI
27AQI
26AQI
28AQI
26AQI
23AQI
35AQI
40AQI
30AQI
30AQI
39AQI
23AQI
20AQI
22AQI
20AQI
17AQI
18AQI
23AQI
26AQI
19AQI
21AQI
18AQI
27AQI
26AQI
35AQI
30AQI
19AQI
19AQI
23AQI
27AQI
19AQI
19AQI
26AQI
23AQI
30AQI
28AQI
27AQI
16AQI
21AQI
25AQI
24AQI
19AQI
18AQI
24AQI
32AQI
35AQI
27AQI
25AQI
26AQI
25AQI
25AQI
18AQI
22AQI
24AQI
32AQI
22AQI
20AQI
21AQI
21AQI
20AQI
21AQI
27AQI
25AQI
17AQI
17AQI
18AQI
21AQI
23AQI
18AQI
22AQI
21AQI
19AQI
16AQI
18AQI
19AQI
21AQI
22AQI
16AQI
18AQI
19AQI
16AQI
19AQI
19AQI
20AQI
23AQI
21AQI
17AQI
19AQI
26AQI
19AQI
21AQI
28AQI
25AQI
24AQI
24AQI
23AQI
26AQI
26AQI
22AQI
25AQI
29AQI
28AQI
27AQI
28AQI
31AQI
30AQI
26AQI
23AQI
20AQI
18AQI
27AQI
24AQI
17AQI
16AQI
18AQI
25AQI
29AQI
20AQI
18AQI
17AQI
21AQI
23AQI
27AQI
25AQI
24AQI
24AQI
27AQI
28AQI
27AQI
30AQI
26AQI
25AQI
28AQI
30AQI
29AQI
26AQI
26AQI
34AQI
32AQI
31AQI
32AQI
22AQI
21AQI
24AQI
26AQI
26AQI
22AQI
18AQI
17AQI
20AQI
24AQI
25AQI
28AQI
35AQI
31AQI
26AQI
23AQI
25AQI
21AQI
20AQI
21AQI
24AQI
27AQI
33AQI
33AQI
48AQI
37AQI
26AQI
24AQI
20AQI
24AQI
26AQI
27AQI
No. of days
202529AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
May20AQI
202431AQI
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
May18AQI
202385AQI
Highest AQI recorded in
August229AQI
Lowest AQI recorded in
December33AQI
202234AQI
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
April27AQI
202142AQI
Highest AQI recorded in
November42AQI
Lowest AQI recorded in
December42AQI
2020301AQI
Highest AQI recorded in
September301AQI
Lowest AQI recorded in
September301AQI
Most & Least Polluted Years Over the Last 6 Years
Happy Camp's annual 2025 AQI (29) shows an average percentage change of -41.3% (improved AQI) compared to previous years: 2020 (301), 2021 (42), 2022 (34), 2023 (85), 2024 (31).