Gilroy 9Th Street, Gilroy, 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
Gilroy 9Th Street, Gilroy, 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 3rd highest AQI at 14 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
Gilroy 9Th Street, Gilroy, California, United States
5 AM11th Jul 2026
8 PM
4 AM12th Jul 2026
28AQI
14AQI
20AQI
13AQI
In the last 24 hours,
Gilroy 9Th Street's AQI reached its highest point of 28 at 6 PM during the Day, while the lowest point, 13, was recorded at 4 AM during the Night between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Gilroy 9Th Street, Gilroy, California, United States
22°C12/34°C
21°C13/33°C
20°C11/33°C
20°C12/31°C
19°C13/28°C
18°C13/24°C
18°C13/23°C
19°C13/27°C
19°C11/29°C
19°C13/30°C
20°C12/31°C
20°C13/29°C
18°C12/27°C
19°C12/27°C
19°C14/24°C
20°C11/31°C
19°C12/29°C
18°C12/26°C
16°C12/22°C
18°C11/27°C
19°C11/31°C
20°C11/32°C
19°C12/28°C
19°C13/27°C
19°C13/28°C
19°C11/31°C
21°C13/35°C
21°C12/31°C
22°C12/35°C
23°C14/35°C
21AQI
17AQI
20AQI
18AQI
2026 Days Vs Air Quality
Gilroy 9Th Street, Gilroy, California, United States
99%
188
1%
2
Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2026, 99% 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
Gilroy 9Th Street, Gilroy, California, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
11AQI (US)
13AQI (US)
13AQI (US)
22AQI (US)
15AQI (US)
17AQI (US)
17AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
16AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
20AQI (US)
23AQI (US)
23AQI (US)
29AQI (US)
42AQI (US)
40AQI (US)
28AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
48AQI (US)
45AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
36AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
29AQI (US)
25AQI (US)
36AQI (US)
41AQI (US)
43AQI (US)
38AQI (US)
42AQI (US)
48AQI (US)
41AQI (US)
45AQI (US)
50AQI (US)
43AQI (US)
43AQI (US)
38AQI (US)
32AQI (US)
36AQI (US)
37AQI (US)
44AQI (US)
41AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
39AQI (US)
51AQI (US)
34AQI (US)
41AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
25AQI (US)
24AQI (US)
19AQI (US)
20AQI (US)
15AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
17AQI (US)
22AQI (US)
28AQI (US)
20AQI (US)
17AQI (US)
21AQI (US)
29AQI (US)
22AQI (US)
22AQI (US)
17AQI (US)
22AQI (US)
14AQI (US)
22AQI (US)
17AQI (US)
28AQI (US)
25AQI (US)
20AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
20AQI (US)
28AQI (US)
26AQI (US)
34AQI (US)
34AQI (US)
28AQI (US)
31AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
20AQI (US)
28AQI (US)
21AQI (US)
27AQI (US)
22AQI (US)
18AQI (US)
14AQI (US)
26AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
21AQI (US)
22AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
21AQI (US)
27AQI (US)
20AQI (US)
25AQI (US)
26AQI (US)
20AQI (US)
19AQI (US)
39AQI (US)
48AQI (US)
54AQI (US)
49AQI (US)
50AQI (US)
48AQI (US)
38AQI (US)
47AQI (US)
42AQI (US)
42AQI (US)
43AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
29AQI (US)
25AQI (US)
20AQI (US)
20AQI (US)
13AQI (US)
23AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
13AQI (US)
21AQI (US)
19AQI (US)
20AQI (US)
19AQI (US)
16AQI (US)
13AQI (US)
14AQI (US)
19AQI (US)
15AQI (US)
25AQI (US)
16AQI (US)
21AQI (US)
23AQI (US)
21AQI (US)
18AQI (US)
15AQI (US)
17AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
16AQI (US)
20AQI (US)
22AQI (US)
20AQI (US)
14AQI (US)
26AQI (US)
37AQI (US)
25AQI (US)
24AQI (US)
31AQI (US)
21AQI (US)
19AQI (US)
No. of days
202627AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
March25AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
December40AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
February35AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
December39AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
August37AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
September66AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Gilroy 9Th Street's annual 2026 AQI (US) (27) shows an average percentage change of -15.08% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (31), 2022 (34), 2023 (27), 2024 (29), 2025 (31).