El Rio, 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
El Rio, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 37 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
El Rio, California, United States
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
43AQI
31AQI
44AQI
34AQI
In the last 24 hours,
El Rio's AQI reached its highest point of 44 at 4 AM during the Night, while the lowest point, 31, was recorded at 6 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
El Rio, California, United States
19°C17/22°C
18°C16/22°C
18°C15/21°C
18°C16/21°C
19°C16/22°C
19°C16/22°C
19°C16/22°C
19°C17/23°C
19°C17/21°C
19°C17/22°C
19°C16/22°C
18°C15/22°C
19°C16/23°C
18°C16/21°C
18°C16/22°C
19°C16/21°C
19°C16/21°C
19°C16/22°C
19°C17/22°C
20°C17/23°C
19°C17/22°C
19°C16/22°C
19°C16/22°C
19°C16/23°C
21°C18/24°C
21°C17/26°C
22°C18/26°C
21°C18/25°C
20°C17/23°C
19°C16/22°C
--°C/°C
35AQI
31AQI
33AQI
33AQI
2025 Days Vs Air Quality
El Rio, California, United States
90%
199
10%
23
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 223 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
El Rio, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
35AQI
41AQI
34AQI
25AQI
26AQI
32AQI
59AQI
38AQI
32AQI
33AQI
29AQI
43AQI
28AQI
34AQI
30AQI
35AQI
40AQI
40AQI
50AQI
31AQI
73AQI
48AQI
34AQI
35AQI
27AQI
22AQI
29AQI
38AQI
39AQI
40AQI
40AQI
31AQI
26AQI
23AQI
21AQI
23AQI
24AQI
25AQI
26AQI
29AQI
33AQI
29AQI
22AQI
28AQI
29AQI
28AQI
33AQI
34AQI
35AQI
36AQI
32AQI
33AQI
33AQI
38AQI
37AQI
38AQI
38AQI
34AQI
31AQI
35AQI
29AQI
29AQI
29AQI
28AQI
25AQI
30AQI
30AQI
29AQI
27AQI
26AQI
22AQI
18AQI
29AQI
37AQI
31AQI
20AQI
20AQI
24AQI
26AQI
36AQI
41AQI
40AQI
29AQI
25AQI
20AQI
28AQI
27AQI
23AQI
17AQI
27AQI
25AQI
28AQI
28AQI
23AQI
24AQI
35AQI
44AQI
48AQI
51AQI
49AQI
48AQI
46AQI
44AQI
44AQI
36AQI
25AQI
29AQI
31AQI
36AQI
46AQI
52AQI
32AQI
43AQI
33AQI
18AQI
14AQI
24AQI
35AQI
48AQI
34AQI
33AQI
31AQI
38AQI
47AQI
46AQI
43AQI
45AQI
40AQI
53AQI
52AQI
37AQI
24AQI
37AQI
46AQI
49AQI
42AQI
37AQI
49AQI
53AQI
55AQI
58AQI
53AQI
45AQI
39AQI
36AQI
35AQI
40AQI
34AQI
40AQI
39AQI
44AQI
38AQI
25AQI
28AQI
29AQI
29AQI
32AQI
32AQI
36AQI
36AQI
37AQI
49AQI
48AQI
44AQI
52AQI
57AQI
56AQI
54AQI
53AQI
51AQI
53AQI
53AQI
52AQI
43AQI
35AQI
44AQI
44AQI
46AQI
44AQI
31AQI
32AQI
33AQI
38AQI
36AQI
54AQI
45AQI
42AQI
32AQI
31AQI
40AQI
42AQI
41AQI
33AQI
28AQI
32AQI
26AQI
26AQI
26AQI
33AQI
41AQI
29AQI
20AQI
22AQI
18AQI
18AQI
22AQI
19AQI
22AQI
31AQI
38AQI
35AQI
34AQI
31AQI
48AQI
56AQI
60AQI
58AQI
42AQI
37AQI
41AQI
37AQI
37AQI
31AQI
28AQI
36AQI
42AQI
43AQI
32AQI
44AQI
No. of days
202536AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
March28AQI
202430AQI
Highest AQI recorded in
December36AQI
Lowest AQI recorded in
July26AQI
202334AQI
Highest AQI recorded in
September42AQI
Lowest AQI recorded in
June26AQI
202235AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
December25AQI
202137AQI
Highest AQI recorded in
September43AQI
Lowest AQI recorded in
December31AQI
202040AQI
Highest AQI recorded in
September60AQI
Lowest AQI recorded in
March24AQI
Most & Least Polluted Years Over the Last 6 Years
El Rio's annual 2025 AQI (36) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2020 (40), 2021 (37), 2022 (35), 2023 (34), 2024 (30).