Guadalupe Road, Nipomo, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Guadalupe Road, Nipomo, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Guadalupe Road, Nipomo, California, United States
6 AM17th Sep 2025
7 PM
5 AM18th Sep 2025
26AQI
17AQI
27AQI
21AQI
In the last 24 hours,
Guadalupe Road's AQI reached its highest point of 27 at 9 PM during the Night, while the lowest point, 17, was recorded at 6 AM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Guadalupe Road, Nipomo, California, United States
18°C13/24°C
21°C14/29°C
23°C16/31°C
22°C17/27°C
19°C14/24°C
18°C15/24°C
18°C14/23°C
18°C14/23°C
18°C13/24°C
18°C14/24°C
18°C13/25°C
21°C14/28°C
22°C17/28°C
22°C17/28°C
18°C15/24°C
19°C15/25°C
19°C14/24°C
18°C15/23°C
18°C14/23°C
18°C14/25°C
18°C15/23°C
18°C16/22°C
18°C16/22°C
18°C16/23°C
18°C15/24°C
19°C15/24°C
20°C15/28°C
19°C15/24°C
21°C16/30°C
21°C17/28°C
--°C/°C
39AQI
29AQI
41AQI
31AQI
2025 Days Vs Air Quality
Guadalupe Road, Nipomo, California, United States
85%
150
15%
26
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 261 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Guadalupe Road, Nipomo, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
25AQI
51AQI
45AQI
27AQI
21AQI
32AQI
45AQI
46AQI
43AQI
39AQI
36AQI
43AQI
33AQI
48AQI
41AQI
48AQI
60AQI
53AQI
34AQI
51AQI
47AQI
40AQI
38AQI
38AQI
39AQI
45AQI
42AQI
48AQI
52AQI
40AQI
24AQI
27AQI
47AQI
36AQI
25AQI
20AQI
33AQI
48AQI
58AQI
54AQI
52AQI
54AQI
47AQI
42AQI
55AQI
57AQI
35AQI
41AQI
48AQI
49AQI
43AQI
34AQI
39AQI
60AQI
58AQI
56AQI
61AQI
51AQI
41AQI
43AQI
43AQI
29AQI
34AQI
40AQI
27AQI
22AQI
25AQI
39AQI
34AQI
37AQI
26AQI
26AQI
31AQI
25AQI
24AQI
29AQI
46AQI
53AQI
48AQI
48AQI
46AQI
51AQI
51AQI
49AQI
48AQI
52AQI
52AQI
55AQI
46AQI
27AQI
27AQI
27AQI
28AQI
26AQI
25AQI
23AQI
26AQI
29AQI
26AQI
34AQI
52AQI
42AQI
28AQI
22AQI
25AQI
26AQI
27AQI
30AQI
26AQI
21AQI
19AQI
19AQI
19AQI
19AQI
22AQI
24AQI
18AQI
15AQI
15AQI
15AQI
16AQI
16AQI
17AQI
20AQI
27AQI
30AQI
28AQI
20AQI
33AQI
37AQI
60AQI
50AQI
35AQI
28AQI
29AQI
30AQI
29AQI
30AQI
31AQI
27AQI
20AQI
21AQI
20AQI
26AQI
35AQI
39AQI
45AQI
55AQI
57AQI
33AQI
28AQI
35AQI
38AQI
36AQI
34AQI
31AQI
39AQI
44AQI
49AQI
32AQI
29AQI
30AQI
22AQI
27AQI
30AQI
19AQI
21AQI
20AQI
35AQI
43AQI
43AQI
36AQI
24AQI
25AQI
22AQI
33AQI
41AQI
44AQI
37AQI
24AQI
35AQI
30AQI
No. of days
202536AQI
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 1 Years
Guadalupe Road's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .