San Jose Knox Avenue, San Jose, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
San Jose Knox Avenue, San Jose, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 12th Jul - 13th Jul 2026
San Jose Knox Avenue, San Jose, California, United States
5 AM12th Jul 2026
8 PM
4 AM13th Jul 2026
32AQI
10AQI
33AQI
22AQI
In the last 24 hours,
San Jose Knox Avenue's AQI reached its highest point of 33 at 2 AM during the Night, while the lowest point, 10, was recorded at 6 AM during the Day between 12th Jul and 13th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
San Jose Knox Avenue, San Jose, California, United States
22°C15/32°C
21°C15/31°C
20°C15/30°C
22°C14/32°C
21°C14/31°C
19°C13/27°C
20°C15/28°C
20°C14/29°C
19°C14/28°C
19°C14/29°C
20°C14/29°C
20°C14/28°C
17°C12/24°C
18°C15/24°C
19°C10/29°C
21°C12/32°C
21°C13/32°C
19°C12/30°C
20°C12/30°C
20°C12/31°C
21°C14/32°C
20°C13/32°C
20°C14/30°C
17°C13/24°C
18°C12/27°C
20°C12/31°C
19°C13/29°C
20°C12/31°C
24°C15/36°C
26°C18/39°C
29AQI
23AQI
26AQI
24AQI
2026 Days Vs Air Quality
San Jose Knox Avenue, San Jose, California, United States
91%
173
9%
17
Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 194 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
San Jose Knox Avenue, San Jose, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
12AQI (US)
14AQI (US)
12AQI (US)
23AQI (US)
17AQI (US)
30AQI (US)
18AQI (US)
21AQI (US)
42AQI (US)
52AQI (US)
50AQI (US)
58AQI (US)
65AQI (US)
61AQI (US)
62AQI (US)
56AQI (US)
66AQI (US)
55AQI (US)
49AQI (US)
53AQI (US)
45AQI (US)
50AQI (US)
46AQI (US)
41AQI (US)
44AQI (US)
41AQI (US)
47AQI (US)
53AQI (US)
51AQI (US)
39AQI (US)
44AQI (US)
46AQI (US)
47AQI (US)
45AQI (US)
45AQI (US)
42AQI (US)
36AQI (US)
43AQI (US)
45AQI (US)
44AQI (US)
42AQI (US)
43AQI (US)
50AQI (US)
51AQI (US)
43AQI (US)
44AQI (US)
51AQI (US)
42AQI (US)
43AQI (US)
39AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
41AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
39AQI (US)
49AQI (US)
42AQI (US)
43AQI (US)
36AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
31AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
35AQI (US)
35AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
32AQI (US)
32AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
37AQI (US)
29AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
31AQI (US)
31AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
29AQI (US)
34AQI (US)
32AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
44AQI (US)
52AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
39AQI (US)
49AQI (US)
48AQI (US)
45AQI (US)
43AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
28AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
42AQI (US)
42AQI (US)
34AQI (US)
29AQI (US)
36AQI (US)
26AQI (US)
27AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
January42AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
December52AQI (US)
Lowest AQI (US) recorded in
March18AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
June33AQI (US)
202046AQI (US)
Highest AQI (US) recorded in
September74AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
San Jose Knox Avenue's annual 2026 AQI (US) (34) shows an average percentage change of -7.4% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (42), 2022 (35), 2023 (30), 2024 (33), 2025 (39).