Cartago, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Cartago, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (24th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 19 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 24th Oct - 25th Oct 2025
Cartago, California, United States
6 AM24th Oct 2025
6 PM
5 AM25th Oct 2025
39AQI
11AQI
42AQI
11AQI
In the last 24 hours,
Cartago's AQI reached its highest point of 42 at 10 PM during the Night, while the lowest point, 11, was recorded at 1 AM during the Night between 24th Oct and 25th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cartago, California, United States
24°C19/30°C
24°C16/31°C
21°C16/29°C
21°C16/27°C
22°C16/27°C
22°C17/29°C
20°C13/27°C
22°C14/28°C
20°C14/25°C
17°C10/25°C
18°C11/25°C
18°C10/27°C
19°C11/27°C
19°C11/27°C
21°C16/28°C
23°C17/30°C
22°C15/28°C
16°C8/24°C
16°C11/23°C
9°C6/11°C
9°C3/16°C
12°C5/20°C
15°C7/25°C
16°C8/26°C
15°C6/25°C
17°C10/27°C
18°C9/27°C
17°C12/24°C
17°C9/26°C
17°C10/26°C
--°C/°C
27AQI
16AQI
27AQI
19AQI
2025 Days Vs Air Quality
Cartago, California, United States
98%
208
2%
5
Total number of days with different AQI categories in last 298 days in 2025 (67 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 298 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
Cartago, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
22AQI
22AQI
24AQI
21AQI
25AQI
18AQI
18AQI
19AQI
21AQI
17AQI
18AQI
22AQI
24AQI
29AQI
35AQI
34AQI
28AQI
37AQI
30AQI
24AQI
30AQI
30AQI
32AQI
25AQI
24AQI
23AQI
23AQI
30AQI
29AQI
33AQI
23AQI
16AQI
23AQI
26AQI
26AQI
23AQI
26AQI
29AQI
25AQI
25AQI
31AQI
18AQI
28AQI
30AQI
28AQI
25AQI
39AQI
67AQI
30AQI
20AQI
19AQI
28AQI
20AQI
22AQI
22AQI
36AQI
33AQI
30AQI
34AQI
30AQI
30AQI
28AQI
34AQI
32AQI
30AQI
31AQI
31AQI
35AQI
28AQI
42AQI
38AQI
35AQI
33AQI
38AQI
42AQI
40AQI
35AQI
31AQI
35AQI
29AQI
29AQI
28AQI
28AQI
28AQI
38AQI
39AQI
35AQI
35AQI
35AQI
37AQI
37AQI
37AQI
40AQI
37AQI
33AQI
26AQI
24AQI
25AQI
38AQI
43AQI
42AQI
32AQI
25AQI
23AQI
29AQI
32AQI
36AQI
42AQI
46AQI
50AQI
51AQI
46AQI
43AQI
43AQI
42AQI
38AQI
30AQI
31AQI
24AQI
22AQI
20AQI
28AQI
27AQI
27AQI
27AQI
25AQI
24AQI
25AQI
30AQI
30AQI
28AQI
27AQI
35AQI
36AQI
35AQI
46AQI
51AQI
46AQI
38AQI
38AQI
39AQI
39AQI
36AQI
28AQI
26AQI
24AQI
27AQI
27AQI
33AQI
40AQI
38AQI
34AQI
33AQI
31AQI
32AQI
37AQI
43AQI
44AQI
33AQI
33AQI
33AQI
40AQI
52AQI
40AQI
32AQI
37AQI
33AQI
24AQI
24AQI
28AQI
29AQI
33AQI
30AQI
29AQI
24AQI
25AQI
24AQI
26AQI
27AQI
26AQI
24AQI
23AQI
33AQI
32AQI
26AQI
24AQI
26AQI
19AQI
25AQI
21AQI
21AQI
12AQI
9AQI
7AQI
11AQI
15AQI
18AQI
18AQI
24AQI
16AQI
21AQI
20AQI
18AQI
17AQI
13AQI
17AQI
35AQI
54AQI
33AQI
46AQI
21AQI
19AQI
23AQI
26AQI
29AQI
34AQI
33AQI
35AQI
30AQI
21AQI
No. of days
202530AQI
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
October21AQI
Most & Least Polluted Years Over the Last 1 Years
Cartago's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .