Tomsk, Tomskaya Oblast, Russia 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
Tomsk, Tomskaya Oblast, Russia
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Tomsk, Tomskaya Oblast, Russia
5 AM9th Aug 2025
9 PM
4 AM10th Aug 2025
AQI
AQI
46AQI
17AQI
In the last 24 hours,
Tomsk's AQI reached its highest point of 46 at 12 AM during the Night, while the lowest point, 17, was recorded at 10 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tomsk, Tomskaya Oblast, Russia
20°C16/25°C
20°C15/27°C
16°C13/21°C
15°C13/16°C
17°C14/21°C
18°C13/23°C
19°C13/26°C
18°C13/25°C
16°C11/22°C
13°C7/20°C
11°C5/16°C
12°C5/16°C
14°C8/17°C
14°C6/20°C
17°C8/24°C
20°C12/26°C
22°C14/27°C
21°C17/29°C
23°C16/30°C
22°C17/30°C
22°C15/30°C
20°C15/26°C
14°C10/18°C
11°C6/16°C
11°C5/16°C
10°C6/14°C
13°C5/18°C
10°C8/11°C
14°C9/19°C
--°C/°C
--°C/°C
44AQI
31AQI
45AQI
45AQI
2025 Days Vs Air Quality
Tomsk, Tomskaya Oblast, Russia
42%
92
31%
68
19%
42
8%
18
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 221 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Tomsk, Tomskaya Oblast, Russia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
161AQI
128AQI
155AQI
169AQI
155AQI
148AQI
88AQI
124AQI
94AQI
117AQI
116AQI
151AQI
168AQI
115AQI
105AQI
134AQI
158AQI
167AQI
166AQI
160AQI
156AQI
163AQI
155AQI
105AQI
78AQI
114AQI
109AQI
133AQI
176AQI
173AQI
171AQI
154AQI
129AQI
85AQI
102AQI
75AQI
106AQI
111AQI
121AQI
160AQI
138AQI
145AQI
113AQI
117AQI
106AQI
119AQI
112AQI
107AQI
139AQI
149AQI
123AQI
130AQI
136AQI
132AQI
125AQI
125AQI
132AQI
137AQI
122AQI
122AQI
104AQI
83AQI
64AQI
55AQI
44AQI
91AQI
88AQI
108AQI
92AQI
94AQI
74AQI
102AQI
113AQI
73AQI
89AQI
72AQI
75AQI
88AQI
86AQI
86AQI
97AQI
93AQI
86AQI
76AQI
73AQI
69AQI
60AQI
67AQI
73AQI
77AQI
73AQI
62AQI
62AQI
67AQI
68AQI
75AQI
76AQI
71AQI
79AQI
116AQI
77AQI
81AQI
64AQI
82AQI
78AQI
76AQI
72AQI
65AQI
62AQI
66AQI
71AQI
72AQI
68AQI
69AQI
75AQI
83AQI
88AQI
75AQI
84AQI
72AQI
52AQI
41AQI
29AQI
29AQI
28AQI
31AQI
34AQI
37AQI
34AQI
41AQI
33AQI
34AQI
36AQI
31AQI
26AQI
31AQI
39AQI
33AQI
28AQI
30AQI
27AQI
24AQI
25AQI
25AQI
22AQI
21AQI
25AQI
30AQI
27AQI
29AQI
31AQI
31AQI
33AQI
36AQI
32AQI
34AQI
33AQI
38AQI
28AQI
32AQI
43AQI
43AQI
48AQI
49AQI
52AQI
55AQI
51AQI
49AQI
53AQI
52AQI
45AQI
40AQI
36AQI
30AQI
28AQI
26AQI
28AQI
27AQI
27AQI
31AQI
30AQI
33AQI
34AQI
39AQI
37AQI
35AQI
29AQI
29AQI
28AQI
29AQI
32AQI
35AQI
34AQI
30AQI
32AQI
34AQI
35AQI
42AQI
42AQI
44AQI
37AQI
37AQI
37AQI
38AQI
37AQI
35AQI
36AQI
40AQI
41AQI
44AQI
44AQI
50AQI
52AQI
57AQI
53AQI
50AQI
49AQI
43AQI
41AQI
37AQI
139AQI
123AQI
83AQI
74AQI
31AQI
38AQI
36AQI
48AQI
No. of days
202574AQI
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
May31AQI
202443AQI
Highest AQI recorded in
December112AQI
Lowest AQI recorded in
April22AQI
202329AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
April14AQI
202241AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
October21AQI
202164AQI
Highest AQI recorded in
January98AQI
Lowest AQI recorded in
June37AQI
202052AQI
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
June35AQI
Most & Least Polluted Years Over the Last 6 Years
Tomsk's annual 2025 AQI (74) shows an average percentage change of 72.4% (worsened AQI) compared to previous years: 2020 (52), 2021 (64), 2022 (41), 2023 (29), 2024 (43).