Roseville, 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
Roseville, 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 45 of Good air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Roseville, California, United States
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
58AQI
9AQI
68AQI
27AQI
In the last 24 hours,
Roseville's AQI reached its highest point of 68 at 9 PM during the Night, while the lowest point, 9, was recorded at 11 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Roseville, California, United States
26°C16/38°C
28°C17/40°C
28°C20/39°C
32°C22/43°C
27°C21/35°C
26°C15/38°C
27°C17/40°C
27°C17/40°C
27°C17/39°C
27°C16/39°C
27°C16/38°C
28°C18/40°C
28°C19/39°C
28°C17/40°C
30°C18/41°C
31°C20/43°C
32°C21/43°C
31°C20/42°C
28°C18/40°C
28°C18/41°C
29°C19/42°C
28°C20/40°C
31°C19/44°C
28°C19/40°C
27°C18/39°C
26°C18/38°C
23°C16/32°C
21°C15/31°C
23°C15/33°C
26°C18/35°C
47AQI
42AQI
47AQI
43AQI
2026 Days Vs Air Quality
Roseville, California, United States
94%
212
6%
13
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 228 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
Roseville, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
16AQI (US)
14AQI (US)
17AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
19AQI (US)
25AQI (US)
37AQI (US)
55AQI (US)
53AQI (US)
53AQI (US)
62AQI (US)
56AQI (US)
47AQI (US)
51AQI (US)
64AQI (US)
58AQI (US)
35AQI (US)
40AQI (US)
34AQI (US)
34AQI (US)
30AQI (US)
22AQI (US)
29AQI (US)
26AQI (US)
36AQI (US)
37AQI (US)
45AQI (US)
29AQI (US)
37AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
30AQI (US)
34AQI (US)
27AQI (US)
28AQI (US)
37AQI (US)
24AQI (US)
29AQI (US)
42AQI (US)
29AQI (US)
27AQI (US)
30AQI (US)
45AQI (US)
48AQI (US)
44AQI (US)
43AQI (US)
39AQI (US)
28AQI (US)
30AQI (US)
22AQI (US)
20AQI (US)
34AQI (US)
23AQI (US)
22AQI (US)
18AQI (US)
29AQI (US)
45AQI (US)
16AQI (US)
30AQI (US)
31AQI (US)
23AQI (US)
26AQI (US)
17AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
18AQI (US)
20AQI (US)
15AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
26AQI (US)
19AQI (US)
16AQI (US)
17AQI (US)
23AQI (US)
21AQI (US)
25AQI (US)
18AQI (US)
18AQI (US)
16AQI (US)
20AQI (US)
18AQI (US)
26AQI (US)
22AQI (US)
17AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
34AQI (US)
27AQI (US)
33AQI (US)
23AQI (US)
18AQI (US)
21AQI (US)
16AQI (US)
18AQI (US)
19AQI (US)
27AQI (US)
22AQI (US)
16AQI (US)
15AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
16AQI (US)
20AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
16AQI (US)
19AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
40AQI (US)
51AQI (US)
54AQI (US)
53AQI (US)
47AQI (US)
48AQI (US)
38AQI (US)
43AQI (US)
40AQI (US)
41AQI (US)
42AQI (US)
23AQI (US)
18AQI (US)
20AQI (US)
14AQI (US)
18AQI (US)
15AQI (US)
16AQI (US)
15AQI (US)
15AQI (US)
13AQI (US)
15AQI (US)
16AQI (US)
13AQI (US)
14AQI (US)
21AQI (US)
13AQI (US)
13AQI (US)
15AQI (US)
14AQI (US)
12AQI (US)
14AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
16AQI (US)
19AQI (US)
16AQI (US)
16AQI (US)
14AQI (US)
13AQI (US)
18AQI (US)
13AQI (US)
26AQI (US)
16AQI (US)
15AQI (US)
14AQI (US)
21AQI (US)
21AQI (US)
16AQI (US)
15AQI (US)
30AQI (US)
20AQI (US)
18AQI (US)
14AQI (US)
14AQI (US)
18AQI (US)
12AQI (US)
15AQI (US)
17AQI (US)
14AQI (US)
14AQI (US)
14AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
44AQI (US)
39AQI (US)
40AQI (US)
38AQI (US)
52AQI (US)
49AQI (US)
39AQI (US)
43AQI (US)
43AQI (US)
44AQI (US)
46AQI (US)
57AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
43AQI (US)
43AQI (US)
44AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
44AQI (US)
41AQI (US)
41AQI (US)
45AQI (US)
36AQI (US)
31AQI (US)
22AQI (US)
22AQI (US)
29AQI (US)
16AQI (US)
30AQI (US)
44AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
March25AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
February46AQI (US)
Lowest AQI (US) recorded in
March32AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
March27AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
August79AQI (US)
Lowest AQI (US) recorded in
March30AQI (US)
202049AQI (US)
Highest AQI (US) recorded in
September96AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Roseville's annual 2026 AQI (US) (28) shows an average percentage change of -28.5% (improved AQI (US)) compared to previous years: 2020 (49), 2021 (45), 2022 (37), 2023 (37), 2024 (35), 2025 (36).