Sigulda, Siguldas Novads, Latvia 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
Sigulda, Siguldas Novads, Latvia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Sigulda, Siguldas Novads, Latvia
4 AM3rd Aug 2025
10 PM
3 AM4th Aug 2025
AQI
AQI
35AQI
27AQI
In the last 24 hours,
Sigulda's AQI reached its highest point of 35 at 4 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sigulda, Siguldas Novads, Latvia
14°C10/17°C
16°C14/18°C
18°C14/22°C
17°C15/18°C
16°C14/19°C
14°C13/15°C
19°C15/27°C
18°C14/22°C
18°C15/20°C
19°C15/23°C
18°C16/20°C
20°C17/23°C
20°C17/25°C
22°C17/27°C
20°C17/24°C
20°C17/23°C
20°C17/23°C
21°C17/25°C
19°C16/22°C
18°C17/21°C
19°C17/23°C
19°C17/22°C
20°C17/23°C
20°C17/23°C
20°C19/23°C
19°C18/21°C
18°C17/19°C
16°C15/18°C
18°C14/21°C
--°C/°C
--°C/°C
34AQI
29AQI
32AQI
29AQI
2025 Days Vs Air Quality
Sigulda, Siguldas Novads, Latvia
84%
179
16%
35
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 215 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
Sigulda, Siguldas Novads, Latvia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
28AQI
26AQI
27AQI
30AQI
31AQI
35AQI
37AQI
30AQI
36AQI
24AQI
27AQI
27AQI
24AQI
23AQI
24AQI
24AQI
26AQI
24AQI
25AQI
31AQI
36AQI
48AQI
41AQI
47AQI
35AQI
41AQI
43AQI
52AQI
37AQI
34AQI
31AQI
21AQI
20AQI
33AQI
48AQI
47AQI
48AQI
50AQI
60AQI
65AQI
56AQI
59AQI
65AQI
55AQI
54AQI
57AQI
44AQI
36AQI
33AQI
43AQI
42AQI
41AQI
60AQI
77AQI
97AQI
89AQI
72AQI
77AQI
69AQI
64AQI
60AQI
54AQI
35AQI
44AQI
56AQI
65AQI
57AQI
64AQI
60AQI
60AQI
72AQI
37AQI
30AQI
32AQI
23AQI
24AQI
29AQI
42AQI
59AQI
43AQI
34AQI
42AQI
54AQI
52AQI
40AQI
51AQI
54AQI
47AQI
52AQI
54AQI
41AQI
32AQI
32AQI
25AQI
19AQI
20AQI
20AQI
25AQI
21AQI
34AQI
25AQI
33AQI
36AQI
43AQI
38AQI
41AQI
52AQI
53AQI
41AQI
36AQI
27AQI
28AQI
31AQI
21AQI
20AQI
18AQI
22AQI
28AQI
21AQI
17AQI
16AQI
19AQI
17AQI
17AQI
16AQI
16AQI
15AQI
17AQI
16AQI
17AQI
17AQI
17AQI
19AQI
18AQI
19AQI
19AQI
21AQI
27AQI
19AQI
15AQI
21AQI
20AQI
17AQI
17AQI
19AQI
20AQI
17AQI
26AQI
15AQI
18AQI
15AQI
21AQI
20AQI
20AQI
34AQI
26AQI
20AQI
19AQI
25AQI
22AQI
30AQI
29AQI
26AQI
19AQI
19AQI
20AQI
25AQI
28AQI
21AQI
19AQI
17AQI
14AQI
16AQI
19AQI
20AQI
16AQI
17AQI
16AQI
22AQI
17AQI
15AQI
15AQI
17AQI
16AQI
18AQI
18AQI
19AQI
23AQI
25AQI
21AQI
20AQI
19AQI
20AQI
23AQI
27AQI
36AQI
36AQI
40AQI
36AQI
35AQI
39AQI
44AQI
38AQI
38AQI
36AQI
38AQI
38AQI
35AQI
39AQI
39AQI
35AQI
27AQI
27AQI
32AQI
53AQI
49AQI
31AQI
18AQI
21AQI
29AQI
27AQI
No. of days
202533AQI
Highest AQI recorded in
February53AQI
Lowest AQI recorded in
May18AQI
202433AQI
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
January23AQI
202338AQI
Highest AQI recorded in
November49AQI
Lowest AQI recorded in
December36AQI
202253AQI
Highest AQI recorded in
December63AQI
Lowest AQI recorded in
October32AQI
Most & Least Polluted Years Over the Last 4 Years
Sigulda's annual 2025 AQI (33) shows an average percentage change of -16.002% (improved AQI) compared to previous years: 2022 (53), 2023 (38), 2024 (33).