Oroville, 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
Oroville, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Oroville, California, United States
6 AM16th Aug 2026
8 PM
5 AM17th Aug 2026
56AQI
34AQI
50AQI
34AQI
In the last 24 hours,
Oroville's AQI reached its highest point of 56 at 3 PM during the Day, while the lowest point, 34, was recorded at 11 PM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Oroville, California, United States
28°C18/38°C
29°C23/38°C
32°C22/41°C
29°C23/36°C
27°C16/37°C
28°C17/39°C
28°C17/38°C
29°C18/39°C
28°C17/38°C
27°C17/38°C
29°C19/39°C
29°C19/39°C
29°C18/40°C
30°C19/41°C
32°C21/42°C
32°C22/43°C
32°C21/42°C
29°C19/40°C
29°C19/40°C
30°C20/41°C
30°C21/40°C
31°C21/42°C
30°C20/40°C
28°C18/39°C
27°C18/37°C
25°C19/32°C
22°C15/30°C
24°C15/35°C
26°C16/35°C
28°C21/38°C
49AQI
44AQI
48AQI
45AQI
2026 Days Vs Air Quality
Oroville, California, United States
93%
210
7%
15
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% 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
Oroville, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI (US)
11AQI (US)
12AQI (US)
11AQI (US)
17AQI (US)
17AQI (US)
22AQI (US)
13AQI (US)
16AQI (US)
42AQI (US)
54AQI (US)
57AQI (US)
69AQI (US)
69AQI (US)
61AQI (US)
62AQI (US)
62AQI (US)
54AQI (US)
61AQI (US)
36AQI (US)
46AQI (US)
35AQI (US)
32AQI (US)
37AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
46AQI (US)
30AQI (US)
34AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
34AQI (US)
38AQI (US)
31AQI (US)
27AQI (US)
38AQI (US)
28AQI (US)
35AQI (US)
41AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
44AQI (US)
48AQI (US)
43AQI (US)
42AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
40AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
29AQI (US)
45AQI (US)
19AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
27AQI (US)
19AQI (US)
17AQI (US)
26AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
21AQI (US)
16AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
29AQI (US)
18AQI (US)
21AQI (US)
18AQI (US)
28AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
35AQI (US)
21AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
32AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
16AQI (US)
25AQI (US)
20AQI (US)
14AQI (US)
15AQI (US)
21AQI (US)
16AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
29AQI (US)
17AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
42AQI (US)
51AQI (US)
58AQI (US)
55AQI (US)
50AQI (US)
48AQI (US)
42AQI (US)
50AQI (US)
48AQI (US)
43AQI (US)
42AQI (US)
18AQI (US)
17AQI (US)
16AQI (US)
12AQI (US)
13AQI (US)
17AQI (US)
17AQI (US)
17AQI (US)
20AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
14AQI (US)
17AQI (US)
17AQI (US)
16AQI (US)
16AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
14AQI (US)
13AQI (US)
11AQI (US)
20AQI (US)
18AQI (US)
17AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
17AQI (US)
14AQI (US)
17AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
17AQI (US)
18AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
19AQI (US)
15AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
21AQI (US)
42AQI (US)
48AQI (US)
44AQI (US)
46AQI (US)
41AQI (US)
40AQI (US)
33AQI (US)
49AQI (US)
50AQI (US)
42AQI (US)
47AQI (US)
43AQI (US)
42AQI (US)
49AQI (US)
52AQI (US)
47AQI (US)
44AQI (US)
44AQI (US)
48AQI (US)
52AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
45AQI (US)
49AQI (US)
46AQI (US)
48AQI (US)
48AQI (US)
45AQI (US)
44AQI (US)
47AQI (US)
37AQI (US)
32AQI (US)
24AQI (US)
22AQI (US)
31AQI (US)
17AQI (US)
32AQI (US)
47AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
November41AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
September41AQI (US)
Lowest AQI (US) recorded in
March8AQI (US)
202343AQI (US)
Highest AQI (US) recorded in
November60AQI (US)
Lowest AQI (US) recorded in
December41AQI (US)
202245AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202178AQI (US)
Highest AQI (US) recorded in
July106AQI (US)
Lowest AQI (US) recorded in
September47AQI (US)
2020168AQI (US)
Highest AQI (US) recorded in
September173AQI (US)
Lowest AQI (US) recorded in
October126AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Oroville's annual 2026 AQI (US) (29) shows an average percentage change of -40.9% (improved AQI (US)) compared to previous years: 2020 (168), 2021 (78), 2022 (45), 2023 (43), 2024 (35), 2025 (34).