Kostroma, Kostromskaya Oblast, Russia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Kostroma, Kostromskaya Oblast, Russia
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
57AQILowest AQI recorded on
29th Aug 2023
3AQISame Day Analysis (10th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 27 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
Kostroma, Kostromskaya Oblast, Russia
AQI
Day
Night
.
4 AM10th Aug 2025
8 PM
3 AM11th Aug 2025
Day time
Avg. Highest Time
5AM10th Aug
27AQI
Avg. Lowest Time
8AM10th Aug
16AQI
Night time
Avg. Highest Time
9PM10th Aug
26AQI
Avg. Lowest Time
1AM11th Aug
24AQI
In the last 24 hours,
Kostroma's AQI reached its highest point of 27 at 5 AM during the Day, while the lowest point, 16, was recorded at 8 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kostroma, Kostromskaya Oblast, Russia
JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025224 AMAQI
12th Jul 2025225 AMAQI
12th Jul 2025226 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025338 AMAQI
12th Jul 2025329 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20252812 PMAQI
12th Jul 2025241 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025256 PMAQI
12th Jul 2025227 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252210 PMAQI
12th Jul 20252211 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025261 AMAQI
13th Jul 2025262 AMAQI
13th Jul 2025263 AMAQI
25°C18/31°C
13th Jul 2025244 AMAQI
13th Jul 2025235 AMAQI
13th Jul 2025236 AMAQI
13th Jul 2025207 AMAQI
13th Jul 2025208 AMAQI
13th Jul 2025209 AMAQI
13th Jul 20251810 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20251812 PMAQI
13th Jul 2025181 PMAQI
13th Jul 2025172 PMAQI
13th Jul 2025193 PMAQI
13th Jul 2025184 PMAQI
13th Jul 2025155 PMAQI
13th Jul 2025166 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025229 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252312 AMAQI
14th Jul 2025231 AMAQI
14th Jul 2025232 AMAQI
14th Jul 2025233 AMAQI
23°C18/29°C
14th Jul 2025274 AMAQI
14th Jul 2025225 AMAQI
14th Jul 2025236 AMAQI
14th Jul 2025267 AMAQI
14th Jul 2025248 AMAQI
14th Jul 2025219 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025201 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025193 PMAQI
14th Jul 2025194 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025186 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025218 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252312 AMAQI
15th Jul 2025221 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025243 AMAQI
21°C16/27°C
15th Jul 2025244 AMAQI
15th Jul 2025235 AMAQI
15th Jul 2025246 AMAQI
15th Jul 2025267 AMAQI
15th Jul 2025258 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025181 PMAQI
15th Jul 2025202 PMAQI
15th Jul 2025203 PMAQI
15th Jul 2025204 PMAQI
15th Jul 2025205 PMAQI
15th Jul 2025206 PMAQI
15th Jul 2025227 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025229 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025222 AMAQI
16th Jul 2025213 AMAQI
20°C14/26°C
16th Jul 2025214 AMAQI
16th Jul 2025245 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025307 AMAQI
16th Jul 2025188 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20251810 AMAQI
16th Jul 20251611 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025191 PMAQI
16th Jul 2025202 PMAQI
16th Jul 2025183 PMAQI
16th Jul 2025174 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025166 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025208 PMAQI
16th Jul 2025199 PMAQI
16th Jul 20252010 PMAQI
16th Jul 20252011 PMAQI
17th Jul 20252112 AMAQI
17th Jul 2025211 AMAQI
17th Jul 2025242 AMAQI
17th Jul 2025213 AMAQI
19°C12/24°C
17th Jul 2025224 AMAQI
17th Jul 2025245 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025208 AMAQI
17th Jul 2025179 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025172 PMAQI
17th Jul 2025173 PMAQI
17th Jul 2025174 PMAQI
17th Jul 2025175 PMAQI
17th Jul 2025176 PMAQI
17th Jul 2025197 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025199 PMAQI
17th Jul 20252010 PMAQI
17th Jul 20252111 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025193 AMAQI
19°C13/25°C
18th Jul 2025214 AMAQI
18th Jul 2025225 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025157 AMAQI
18th Jul 2025138 AMAQI
18th Jul 2025129 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251712 PMAQI
18th Jul 2025161 PMAQI
18th Jul 2025162 PMAQI
18th Jul 2025153 PMAQI
18th Jul 2025144 PMAQI
18th Jul 2025145 PMAQI
18th Jul 2025186 PMAQI
18th Jul 2025187 PMAQI
18th Jul 2025188 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20251911 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025213 AMAQI
16°C10/21°C
19th Jul 2025204 AMAQI
19th Jul 2025205 AMAQI
19th Jul 2025206 AMAQI
19th Jul 2025157 AMAQI
19th Jul 2025128 AMAQI
19th Jul 2025129 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251711 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025151 PMAQI
19th Jul 2025162 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025164 PMAQI
19th Jul 2025145 PMAQI
19th Jul 2025146 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025188 PMAQI
19th Jul 2025179 PMAQI
19th Jul 20251810 PMAQI
19th Jul 20251711 PMAQI
20th Jul 20251712 AMAQI
20th Jul 2025191 AMAQI
20th Jul 2025192 AMAQI
20th Jul 2025183 AMAQI
17°C10/23°C
20th Jul 2025194 AMAQI
20th Jul 2025205 AMAQI
20th Jul 2025206 AMAQI
20th Jul 2025167 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025139 AMAQI
20th Jul 20251310 AMAQI
20th Jul 20251711 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025151 PMAQI
20th Jul 2025152 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025154 PMAQI
20th Jul 2025145 PMAQI
20th Jul 2025146 PMAQI
20th Jul 2025177 PMAQI
20th Jul 2025178 PMAQI
20th Jul 2025179 PMAQI
20th Jul 20251810 PMAQI
20th Jul 20251811 PMAQI
21st Jul 20251812 AMAQI
21st Jul 2025191 AMAQI
21st Jul 2025202 AMAQI
21st Jul 2025183 AMAQI
20°C14/25°C
21st Jul 2025184 AMAQI
21st Jul 2025195 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025327 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025195 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025197 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025261 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025203 AMAQI
18°C17/20°C
22nd Jul 2025204 AMAQI
22nd Jul 2025225 AMAQI
22nd Jul 2025226 AMAQI
22nd Jul 2025227 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025213 AMAQI
19°C15/24°C
23rd Jul 2025224 AMAQI
23rd Jul 2025225 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025176 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025231 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025243 AMAQI
20°C14/24°C
24th Jul 2025234 AMAQI
24th Jul 2025225 AMAQI
24th Jul 2025226 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252511 AMAQI
24th Jul 20252312 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025196 PMAQI
24th Jul 2025237 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025222 AMAQI
25th Jul 2025223 AMAQI
22°C15/28°C
25th Jul 2025234 AMAQI
25th Jul 2025245 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025247 AMAQI
25th Jul 2025218 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252112 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252311 PMAQI
26th Jul 20252112 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025243 AMAQI
18°C13/23°C
26th Jul 2025244 AMAQI
26th Jul 2025235 AMAQI
26th Jul 2025236 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025359 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025181 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025283 AMAQI
19°C11/24°C
27th Jul 2025264 AMAQI
27th Jul 2025255 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20253310 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
21°C15/28°C
28th Jul 2025284 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025367 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025303 AMAQI
22°C16/29°C
29th Jul 2025294 AMAQI
29th Jul 2025295 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025528 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025305 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
24°C17/29°C
30th Jul 2025344 AMAQI
30th Jul 2025335 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255310 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025357 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025553 AMAQI
24°C18/30°C
31st Jul 2025554 AMAQI
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20254510 AMAQI
31st Jul 20254711 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255312 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025533 AMAQI
23°C17/28°C
1st Aug 2025524 AMAQI
1st Aug 2025535 AMAQI
1st Aug 2025506 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20254210 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025452 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025405 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025522 AMAQI
2nd Aug 2025553 AMAQI
22°C17/28°C
2nd Aug 2025544 AMAQI
2nd Aug 2025515 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025559 AMAQI
2nd Aug 20255810 AMAQI
2nd Aug 20256311 AMAQI
2nd Aug 20256012 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025594 PMAQI
2nd Aug 2025725 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255711 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025583 AMAQI
23°C17/29°C
3rd Aug 2025574 AMAQI
3rd Aug 2025575 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025539 AMAQI
3rd Aug 20255110 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20254712 PMAQI
3rd Aug 2025361 PMAQI
3rd Aug 2025422 PMAQI
3rd Aug 2025383 PMAQI
3rd Aug 2025384 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025436 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025501 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025543 AMAQI
22°C17/27°C
4th Aug 2025544 AMAQI
4th Aug 2025535 AMAQI
4th Aug 2025536 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025568 AMAQI
4th Aug 2025539 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255412 PMAQI
4th Aug 2025551 PMAQI
4th Aug 2025552 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025464 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025466 PMAQI
4th Aug 2025447 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20253611 PMAQI
5th Aug 20253412 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025483 AMAQI
22°C17/27°C
5th Aug 2025524 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025456 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025458 AMAQI
5th Aug 2025389 AMAQI
5th Aug 20253110 AMAQI
5th Aug 20254411 AMAQI
5th Aug 20254512 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025394 PMAQI
5th Aug 2025405 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025289 PMAQI
5th Aug 20253110 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025402 AMAQI
6th Aug 2025413 AMAQI
20°C18/24°C
6th Aug 2025484 AMAQI
6th Aug 2025425 AMAQI
6th Aug 2025456 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025269 AMAQI
6th Aug 20252910 AMAQI
6th Aug 20253311 AMAQI
6th Aug 20253112 PMAQI
6th Aug 2025401 PMAQI
6th Aug 2025352 PMAQI
6th Aug 2025333 PMAQI
6th Aug 2025344 PMAQI
6th Aug 2025445 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025367 PMAQI
6th Aug 2025308 PMAQI
6th Aug 2025389 PMAQI
6th Aug 20253310 PMAQI
6th Aug 20253211 PMAQI
7th Aug 20253412 AMAQI
7th Aug 2025411 AMAQI
7th Aug 2025382 AMAQI
7th Aug 2025333 AMAQI
21°C17/26°C
7th Aug 2025384 AMAQI
7th Aug 2025375 AMAQI
7th Aug 2025416 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025388 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254710 AMAQI
7th Aug 20254111 AMAQI
7th Aug 20252312 PMAQI
7th Aug 2025241 PMAQI
7th Aug 2025232 PMAQI
7th Aug 2025223 PMAQI
7th Aug 2025234 PMAQI
7th Aug 2025245 PMAQI
7th Aug 2025256 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025328 PMAQI
7th Aug 2025329 PMAQI
7th Aug 20253210 PMAQI
7th Aug 20253011 PMAQI
8th Aug 20253012 AMAQI
8th Aug 2025331 AMAQI
8th Aug 2025322 AMAQI
8th Aug 2025323 AMAQI
17°C12/21°C
8th Aug 2025354 AMAQI
8th Aug 2025385 AMAQI
8th Aug 2025386 AMAQI
8th Aug 2025227 AMAQI
8th Aug 2025148 AMAQI
8th Aug 2025149 AMAQI
8th Aug 20251510 AMAQI
8th Aug 20252111 AMAQI
8th Aug 20252112 PMAQI
8th Aug 2025201 PMAQI
8th Aug 2025202 PMAQI
8th Aug 2025193 PMAQI
8th Aug 2025204 PMAQI
8th Aug 2025195 PMAQI
8th Aug 2025206 PMAQI
8th Aug 2025287 PMAQI
8th Aug 2025278 PMAQI
8th Aug 2025279 PMAQI
8th Aug 20252610 PMAQI
8th Aug 20252811 PMAQI
9th Aug 20252812 AMAQI
9th Aug 2025291 AMAQI
9th Aug 2025282 AMAQI
9th Aug 2025263 AMAQI
16°C12/21°C
9th Aug 2025274 AMAQI
9th Aug 2025345 AMAQI
9th Aug 2025346 AMAQI
9th Aug 2025197 AMAQI
9th Aug 2025138 AMAQI
9th Aug 2025149 AMAQI
9th Aug 20251410 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20251812 PMAQI
9th Aug 2025181 PMAQI
9th Aug 2025172 PMAQI
9th Aug 2025183 PMAQI
9th Aug 2025174 PMAQI
9th Aug 2025175 PMAQI
9th Aug 2025186 PMAQI
9th Aug 2025247 PMAQI
9th Aug 2025238 PMAQI
9th Aug 2025249 PMAQI
9th Aug 20252610 PMAQI
9th Aug 20252611 PMAQI
10th Aug 20252812 AMAQI
10th Aug 2025351 AMAQI
10th Aug 2025242 AMAQI
10th Aug 2025223 AMAQI
17°C12/21°C
10th Aug 2025254 AMAQI
10th Aug 2025275 AMAQI
10th Aug 2025276 AMAQI
10th Aug 2025237 AMAQI
10th Aug 2025168 AMAQI
10th Aug 2025199 AMAQI
10th Aug 20251810 AMAQI
10th Aug 20252311 AMAQI
10th Aug 20252412 PMAQI
10th Aug 2025241 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025234 PMAQI
10th Aug 2025225 PMAQI
10th Aug 2025216 PMAQI
10th Aug 2025267 PMAQI
10th Aug 2025268 PMAQI
10th Aug 2025269 PMAQI
10th Aug 20252510 PMAQI
10th Aug 20252411 PMAQI
11th Aug 20252512 AMAQI
11th Aug 2025241 AMAQI
11th Aug 2025252 AMAQI
11th Aug 2025253 AMAQI
15°C13/19°C
11th Aug 2025254 AMAQI
4 AM11th Aug 2025265 AMAQI
11th Aug 2025266 AMAQI
11th Aug 2025187 AMAQI
11th Aug 2025188 AMAQI
11th Aug 2025189 AMAQI
11th Aug 20251810 AMAQI
11th Aug 20252311 AMAQI
11th Aug 20251912 PMAQI
12 PM11th Aug 2025321 PMAQI
11th Aug 2025302 PMAQI
11th Aug 2025273 PMAQI
11th Aug 2025274 PMAQI
11th Aug 2025345 PMAQI
11th Aug 2025376 PMAQI
11th Aug 2025357 PMAQI
11th Aug 2025388 PMAQI
8 PM11th Aug 2025479 PMAQI
11th Aug 20254010 PMAQI
11th Aug 20254311 PMAQI
12 AM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 11 AM
31AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 PM - 6 PM
27AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 11 AM (Avg. 31), while the lowest AQI was between 12 PM to 6 PM (Avg. 27).
Night time
Avg. Highest Time
1 AM - 3 AM
31AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 31), while the lowest AQI was between 12 AM to 12 AM (Avg. 29).
2025 Days Vs Air Quality
Kostroma, Kostromskaya Oblast, Russia
2025
72%
159
28%
63
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
159 DaysModerate
63 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 223 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
Kostroma, Kostromskaya Oblast, Russia
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
46AQI
46AQI
2nd January 2025
41AQI
41AQI
3rd January 2025
43AQI
43AQI
4th January 2025
50AQI
50AQI
5th January 2025
61AQI
61AQI
6th January 2025
66AQI
66AQI
7th January 2025
43AQI
43AQI
8th January 2025
48AQI
48AQI
9th January 2025
42AQI
42AQI
10th January 2025
55AQI
55AQI
11th January 2025
60AQI
60AQI
12th January 2025
63AQI
63AQI
13th January 2025
77AQI
77AQI
14th January 2025
68AQI
68AQI
15th January 2025
47AQI
47AQI
16th January 2025
66AQI
66AQI
17th January 2025
55AQI
55AQI
18th January 2025
35AQI
35AQI
19th January 2025
26AQI
26AQI
20th January 2025
23AQI
23AQI
21st January 2025
32AQI
32AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
43AQI
43AQI
24th January 2025
45AQI
45AQI
25th January 2025
42AQI
42AQI
26th January 2025
56AQI
56AQI
27th January 2025
47AQI
47AQI
28th January 2025
40AQI
40AQI
29th January 2025
51AQI
51AQI
30th January 2025
46AQI
46AQI
31st January 2025
45AQI
45AQI
1st February 2025
54AQI
54AQI
2nd February 2025
55AQI
55AQI
3rd February 2025
40AQI
40AQI
4th February 2025
62AQI
62AQI
5th February 2025
54AQI
54AQI
6th February 2025
55AQI
55AQI
7th February 2025
55AQI
55AQI
8th February 2025
54AQI
54AQI
9th February 2025
60AQI
60AQI
10th February 2025
58AQI
58AQI
11th February 2025
51AQI
51AQI
12th February 2025
54AQI
54AQI
13th February 2025
54AQI
54AQI
14th February 2025
46AQI
46AQI
15th February 2025
39AQI
39AQI
16th February 2025
45AQI
45AQI
17th February 2025
38AQI
38AQI
18th February 2025
42AQI
42AQI
19th February 2025
36AQI
36AQI
20th February 2025
41AQI
41AQI
21st February 2025
34AQI
34AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
53AQI
53AQI
24th February 2025
52AQI
52AQI
25th February 2025
58AQI
58AQI
26th February 2025
67AQI
67AQI
27th February 2025
64AQI
64AQI
28th February 2025
76AQI
76AQI
1st March 2025
59AQI
59AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
54AQI
54AQI
4th March 2025
37AQI
37AQI
5th March 2025
32AQI
32AQI
6th March 2025
32AQI
32AQI
7th March 2025
39AQI
39AQI
8th March 2025
50AQI
50AQI
9th March 2025
41AQI
41AQI
10th March 2025
55AQI
55AQI
11th March 2025
58AQI
58AQI
12th March 2025
72AQI
72AQI
13th March 2025
71AQI
71AQI
14th March 2025
55AQI
55AQI
15th March 2025
56AQI
56AQI
16th March 2025
64AQI
64AQI
17th March 2025
56AQI
56AQI
18th March 2025
60AQI
60AQI
19th March 2025
56AQI
56AQI
20th March 2025
54AQI
54AQI
21st March 2025
54AQI
54AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
40AQI
40AQI
24th March 2025
54AQI
54AQI
25th March 2025
50AQI
50AQI
26th March 2025
56AQI
56AQI
27th March 2025
62AQI
62AQI
28th March 2025
50AQI
50AQI
29th March 2025
62AQI
62AQI
30th March 2025
61AQI
61AQI
31st March 2025
70AQI
70AQI
1st April 2025
67AQI
67AQI
2nd April 2025
57AQI
57AQI
3rd April 2025
44AQI
44AQI
4th April 2025
46AQI
46AQI
5th April 2025
36AQI
36AQI
6th April 2025
30AQI
30AQI
7th April 2025
38AQI
38AQI
8th April 2025
41AQI
41AQI
9th April 2025
29AQI
29AQI
10th April 2025
25AQI
25AQI
11th April 2025
33AQI
33AQI
12th April 2025
24AQI
24AQI
13th April 2025
26AQI
26AQI
14th April 2025
39AQI
39AQI
15th April 2025
40AQI
40AQI
16th April 2025
38AQI
38AQI
17th April 2025
51AQI
51AQI
18th April 2025
49AQI
49AQI
19th April 2025
57AQI
57AQI
20th April 2025
51AQI
51AQI
21st April 2025
51AQI
51AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
56AQI
56AQI
24th April 2025
34AQI
34AQI
25th April 2025
42AQI
42AQI
26th April 2025
49AQI
49AQI
27th April 2025
37AQI
37AQI
28th April 2025
35AQI
35AQI
29th April 2025
28AQI
28AQI
30th April 2025
26AQI
26AQI
1st May 2025
28AQI
28AQI
2nd May 2025
14AQI
14AQI
3rd May 2025
21AQI
21AQI
4th May 2025
15AQI
15AQI
5th May 2025
15AQI
15AQI
6th May 2025
13AQI
13AQI
7th May 2025
13AQI
13AQI
8th May 2025
18AQI
18AQI
9th May 2025
18AQI
18AQI
10th May 2025
16AQI
16AQI
11th May 2025
14AQI
14AQI
12th May 2025
16AQI
16AQI
13th May 2025
19AQI
19AQI
14th May 2025
16AQI
16AQI
15th May 2025
16AQI
16AQI
16th May 2025
15AQI
15AQI
17th May 2025
16AQI
16AQI
18th May 2025
20AQI
20AQI
19th May 2025
20AQI
20AQI
20th May 2025
12AQI
12AQI
21st May 2025
14AQI
14AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
12AQI
12AQI
24th May 2025
13AQI
13AQI
25th May 2025
13AQI
13AQI
26th May 2025
14AQI
14AQI
27th May 2025
13AQI
13AQI
28th May 2025
14AQI
14AQI
29th May 2025
15AQI
15AQI
30th May 2025
14AQI
14AQI
31st May 2025
19AQI
19AQI
1st June 2025
16AQI
16AQI
2nd June 2025
12AQI
12AQI
3rd June 2025
14AQI
14AQI
4th June 2025
15AQI
15AQI
5th June 2025
14AQI
14AQI
6th June 2025
15AQI
15AQI
7th June 2025
20AQI
20AQI
8th June 2025
20AQI
20AQI
9th June 2025
27AQI
27AQI
10th June 2025
22AQI
22AQI
11th June 2025
17AQI
17AQI
12th June 2025
22AQI
22AQI
13th June 2025
21AQI
21AQI
14th June 2025
17AQI
17AQI
15th June 2025
18AQI
18AQI
16th June 2025
19AQI
19AQI
17th June 2025
17AQI
17AQI
18th June 2025
17AQI
17AQI
19th June 2025
17AQI
17AQI
20th June 2025
20AQI
20AQI
21st June 2025
15AQI
15AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
16AQI
16AQI
26th June 2025
15AQI
15AQI
27th June 2025
15AQI
15AQI
28th June 2025
15AQI
15AQI
29th June 2025
17AQI
17AQI
30th June 2025
16AQI
16AQI
1st July 2025
14AQI
14AQI
2nd July 2025
14AQI
14AQI
3rd July 2025
15AQI
15AQI
4th July 2025
17AQI
17AQI
5th July 2025
15AQI
15AQI
6th July 2025
16AQI
16AQI
7th July 2025
16AQI
16AQI
8th July 2025
18AQI
18AQI
9th July 2025
22AQI
22AQI
10th July 2025
20AQI
20AQI
11th July 2025
21AQI
21AQI
12th July 2025
24AQI
24AQI
13th July 2025
22AQI
22AQI
14th July 2025
22AQI
22AQI
15th July 2025
23AQI
23AQI
16th July 2025
20AQI
20AQI
17th July 2025
20AQI
20AQI
18th July 2025
18AQI
18AQI
19th July 2025
17AQI
17AQI
20th July 2025
17AQI
17AQI
21st July 2025
20AQI
20AQI
22nd July 2025
20AQI
20AQI
23rd July 2025
19AQI
19AQI
24th July 2025
22AQI
22AQI
25th July 2025
21AQI
21AQI
26th July 2025
24AQI
24AQI
27th July 2025
26AQI
26AQI
28th July 2025
27AQI
27AQI
29th July 2025
32AQI
32AQI
30th July 2025
38AQI
38AQI
31st July 2025
53AQI
53AQI
1st August 2025
51AQI
51AQI
2nd August 2025
57AQI
57AQI
3rd August 2025
52AQI
52AQI
4th August 2025
52AQI
52AQI
5th August 2025
40AQI
40AQI
6th August 2025
38AQI
38AQI
7th August 2025
34AQI
34AQI
8th August 2025
27AQI
27AQI
9th August 2025
24AQI
24AQI
10th August 2025
27AQI
27AQI
48AQI
51AQI
54AQI
41AQI
16AQI
17AQI
22AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
20
11
10
18
10
21
22
8
31
30
30
1
6
4
159
63
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
May16AQI
202419AQI
31
29
30
1
30
31
30
31
31
3
13
29
1
15
16
303
18
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
April9AQI
202315AQI
31
27
1
31
27
1
31
30
31
31
27
31
28
1
30
1
355
3
1
Highest AQI recorded in
February26AQI
Lowest AQI recorded in
October10AQI
202226AQI
2
1
1
29
1
12
3
43
5
1
Highest AQI recorded in
October57AQI
Lowest AQI recorded in
November20AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2023(Avg.)
15AQIKostroma's annual 2025 AQI (36) shows an average percentage change of 86.4% (worsened AQI) compared to previous years: 2022 (26), 2023 (15), 2024 (19).
