Ostashkov, Tverskaya 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
Ostashkov, Tverskaya Oblast, Russia
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Aug 2024
56AQILowest AQI recorded on
8th Aug 2023
2AQISame Day Analysis (6th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Ostashkov, Tverskaya Oblast, Russia
AQI
Day
Night
.
4 AM6th Aug 2025
9 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
4AM6th Aug
36AQI
Avg. Lowest Time
9AM6th Aug
24AQI
Night time
Avg. Highest Time
10PM6th Aug
31AQI
Avg. Lowest Time
3AM7th Aug
25AQI
In the last 24 hours,
Ostashkov's AQI reached its highest point of 36 at 4 AM during the Day, while the lowest point, 24, was recorded at 9 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ostashkov, Tverskaya Oblast, Russia
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 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
Day
Night
8th Jul 2025184 AMAQI
8th Jul 2025185 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025208 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252012 PMAQI
8th Jul 2025191 PMAQI
8th Jul 2025192 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025184 PMAQI
8th Jul 2025195 PMAQI
8th Jul 2025176 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025199 PMAQI
8th Jul 20251910 PMAQI
8th Jul 20252011 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025261 AMAQI
9th Jul 2025242 AMAQI
9th Jul 2025223 AMAQI
19°C16/25°C
9th Jul 2025224 AMAQI
9th Jul 2025195 AMAQI
9th Jul 2025196 AMAQI
9th Jul 2025277 AMAQI
9th Jul 2025338 AMAQI
9th Jul 2025319 AMAQI
9th Jul 20252610 AMAQI
9th Jul 20253311 AMAQI
9th Jul 20252412 PMAQI
9th Jul 2025241 PMAQI
9th Jul 2025242 PMAQI
9th Jul 2025223 PMAQI
9th Jul 2025234 PMAQI
9th Jul 2025235 PMAQI
9th Jul 2025246 PMAQI
9th Jul 2025247 PMAQI
9th Jul 2025238 PMAQI
9th Jul 2025259 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252411 PMAQI
10th Jul 20252612 AMAQI
10th Jul 2025281 AMAQI
10th Jul 2025262 AMAQI
10th Jul 2025243 AMAQI
19°C13/24°C
10th Jul 2025234 AMAQI
10th Jul 2025245 AMAQI
10th Jul 2025246 AMAQI
10th Jul 2025257 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025289 AMAQI
10th Jul 20252810 AMAQI
10th Jul 20252211 AMAQI
10th Jul 20252112 PMAQI
10th Jul 2025201 PMAQI
10th Jul 2025182 PMAQI
10th Jul 2025203 PMAQI
10th Jul 2025184 PMAQI
10th Jul 2025195 PMAQI
10th Jul 2025186 PMAQI
10th Jul 2025177 PMAQI
10th Jul 2025188 PMAQI
10th Jul 2025179 PMAQI
10th Jul 20251610 PMAQI
10th Jul 20251811 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025191 AMAQI
11th Jul 2025172 AMAQI
11th Jul 2025163 AMAQI
24°C17/31°C
11th Jul 2025194 AMAQI
11th Jul 2025245 AMAQI
11th Jul 2025246 AMAQI
11th Jul 2025217 AMAQI
11th Jul 2025188 AMAQI
11th Jul 2025189 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025212 PMAQI
11th Jul 2025223 PMAQI
11th Jul 2025204 PMAQI
11th Jul 2025215 PMAQI
11th Jul 2025206 PMAQI
11th Jul 2025167 PMAQI
11th Jul 2025178 PMAQI
11th Jul 2025189 PMAQI
11th Jul 20251910 PMAQI
11th Jul 20252011 PMAQI
12th Jul 20252012 AMAQI
12th Jul 2025211 AMAQI
12th Jul 2025212 AMAQI
12th Jul 2025183 AMAQI
25°C18/32°C
12th Jul 2025204 AMAQI
12th Jul 2025225 AMAQI
12th Jul 2025216 AMAQI
12th Jul 2025237 AMAQI
12th Jul 2025208 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252010 AMAQI
12th Jul 20252111 AMAQI
12th Jul 20251812 PMAQI
12th Jul 2025201 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025203 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025256 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252210 PMAQI
12th Jul 20252211 PMAQI
13th Jul 20252812 AMAQI
13th Jul 2025301 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025233 AMAQI
23°C16/31°C
13th Jul 2025204 AMAQI
13th Jul 2025215 AMAQI
13th Jul 2025226 AMAQI
13th Jul 2025227 AMAQI
13th Jul 2025268 AMAQI
13th Jul 2025269 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025241 PMAQI
13th Jul 2025202 PMAQI
13th Jul 2025213 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025265 PMAQI
13th Jul 2025236 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025218 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252510 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252712 AMAQI
14th Jul 2025331 AMAQI
14th Jul 2025302 AMAQI
14th Jul 2025233 AMAQI
20°C16/27°C
14th Jul 2025234 AMAQI
14th Jul 2025235 AMAQI
14th Jul 2025226 AMAQI
14th Jul 2025267 AMAQI
14th Jul 2025298 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20252911 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025278 PMAQI
14th Jul 2025249 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252912 AMAQI
15th Jul 2025281 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025353 AMAQI
20°C17/26°C
15th Jul 2025324 AMAQI
15th Jul 2025285 AMAQI
15th Jul 2025276 AMAQI
15th Jul 2025367 AMAQI
15th Jul 2025428 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025259 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025251 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025303 AMAQI
20°C16/23°C
16th Jul 2025304 AMAQI
16th Jul 2025295 AMAQI
16th Jul 2025276 AMAQI
16th Jul 2025307 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20252512 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025233 PMAQI
16th Jul 2025214 PMAQI
16th Jul 2025215 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025217 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025289 PMAQI
16th Jul 20252010 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252112 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025282 AMAQI
17th Jul 2025343 AMAQI
20°C16/25°C
17th Jul 2025314 AMAQI
17th Jul 2025265 AMAQI
17th Jul 2025296 AMAQI
17th Jul 2025327 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20252710 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025253 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025256 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025259 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252211 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025343 AMAQI
20°C14/26°C
18th Jul 2025324 AMAQI
18th Jul 2025265 AMAQI
18th Jul 2025296 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025218 AMAQI
18th Jul 2025219 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025216 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025371 AMAQI
19th Jul 2025362 AMAQI
19th Jul 2025263 AMAQI
19°C14/25°C
19th Jul 2025264 AMAQI
19th Jul 2025285 AMAQI
19th Jul 2025266 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025283 AMAQI
17°C12/23°C
20th Jul 2025264 AMAQI
20th Jul 2025295 AMAQI
20th Jul 2025366 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252412 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025202 AMAQI
21st Jul 2025223 AMAQI
19°C15/24°C
21st Jul 2025224 AMAQI
21st Jul 2025235 AMAQI
21st Jul 2025246 AMAQI
21st Jul 2025247 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20252711 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025243 AMAQI
17°C16/18°C
22nd Jul 2025244 AMAQI
22nd Jul 2025245 AMAQI
22nd Jul 2025246 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20254310 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252310 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025292 AMAQI
23rd Jul 2025283 AMAQI
17°C15/21°C
23rd Jul 2025264 AMAQI
23rd Jul 2025275 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025298 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253512 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025393 AMAQI
19°C14/24°C
24th Jul 2025344 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025357 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025353 AMAQI
21°C15/28°C
25th Jul 2025354 AMAQI
25th Jul 2025345 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025214 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025247 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025293 AMAQI
22°C16/28°C
26th Jul 2025304 AMAQI
26th Jul 2025265 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025518 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025271 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025412 AMAQI
27th Jul 2025443 AMAQI
20°C15/25°C
27th Jul 2025334 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025323 AMAQI
19°C15/25°C
28th Jul 2025304 AMAQI
28th Jul 2025325 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025253 AMAQI
21°C16/26°C
29th Jul 2025284 AMAQI
29th Jul 2025325 AMAQI
29th Jul 2025316 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20252510 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025262 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025264 PMAQI
29th Jul 2025295 PMAQI
29th Jul 2025276 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025312 AMAQI
30th Jul 2025303 AMAQI
22°C16/29°C
30th Jul 2025304 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025349 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253312 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252511 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025573 AMAQI
23°C17/28°C
31st Jul 2025574 AMAQI
31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20253510 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025509 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20254612 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025503 AMAQI
21°C17/27°C
1st Aug 2025504 AMAQI
1st Aug 2025495 AMAQI
1st Aug 2025506 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025339 AMAQI
1st Aug 20253810 AMAQI
1st Aug 20253211 AMAQI
1st Aug 20253512 PMAQI
1st Aug 2025291 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025379 PMAQI
1st Aug 20254310 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20254712 AMAQI
2nd Aug 2025451 AMAQI
2nd Aug 2025472 AMAQI
2nd Aug 2025373 AMAQI
18°C15/23°C
2nd Aug 2025424 AMAQI
2nd Aug 2025475 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20254310 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025363 PMAQI
2nd Aug 2025364 PMAQI
2nd Aug 2025385 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025357 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025309 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20254912 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025512 AMAQI
3rd Aug 2025443 AMAQI
19°C15/24°C
3rd Aug 2025394 AMAQI
3rd Aug 2025455 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025497 AMAQI
3rd Aug 2025478 AMAQI
3rd Aug 2025349 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20253411 AMAQI
3rd Aug 20254212 PMAQI
3rd Aug 2025381 PMAQI
3rd Aug 2025412 PMAQI
3rd Aug 2025383 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025406 PMAQI
3rd Aug 2025387 PMAQI
3rd Aug 2025368 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253411 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025432 AMAQI
4th Aug 2025403 AMAQI
20°C13/26°C
4th Aug 2025404 AMAQI
4th Aug 2025395 AMAQI
4th Aug 2025386 AMAQI
4th Aug 2025327 AMAQI
4th Aug 2025338 AMAQI
4th Aug 2025309 AMAQI
4th Aug 20254010 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20253412 PMAQI
4th Aug 2025381 PMAQI
4th Aug 2025332 PMAQI
4th Aug 2025313 PMAQI
4th Aug 2025334 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025297 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20252810 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025331 AMAQI
5th Aug 2025322 AMAQI
5th Aug 2025343 AMAQI
19°C14/25°C
5th Aug 2025324 AMAQI
5th Aug 2025295 AMAQI
5th Aug 2025326 AMAQI
5th Aug 2025397 AMAQI
5th Aug 2025388 AMAQI
5th Aug 2025359 AMAQI
5th Aug 20253610 AMAQI
5th Aug 20254311 AMAQI
5th Aug 20254012 PMAQI
5th Aug 2025431 PMAQI
5th Aug 2025342 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025324 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025309 PMAQI
5th Aug 20253210 PMAQI
5th Aug 20253111 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025301 AMAQI
6th Aug 2025332 AMAQI
6th Aug 2025343 AMAQI
20°C15/26°C
6th Aug 2025364 AMAQI
6th Aug 2025345 AMAQI
6th Aug 2025356 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025278 AMAQI
6th Aug 2025249 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253112 PMAQI
6th Aug 2025321 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025283 PMAQI
6th Aug 2025284 PMAQI
6th Aug 2025365 PMAQI
6th Aug 2025326 PMAQI
6th Aug 2025317 PMAQI
6th Aug 2025278 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20253110 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20252612 AMAQI
7th Aug 2025261 AMAQI
7th Aug 2025252 AMAQI
7th Aug 2025253 AMAQI
16°C12/20°C
7th Aug 2025274 AMAQI
4 AM7th Aug 2025295 AMAQI
7th Aug 2025286 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025398 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20253010 AMAQI
7th Aug 20252711 AMAQI
7th Aug 20252712 PMAQI
12 PM7th Aug 2025201 PMAQI
7th Aug 2025182 PMAQI
7th Aug 2025183 PMAQI
7th Aug 2025174 PMAQI
7th Aug 2025185 PMAQI
7th Aug 2025166 PMAQI
9 PM
12 AM
3 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 10 AM
32AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM
25AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 32), while the lowest AQI was between 4 PM to 4 PM (Avg. 25).
Night time
Avg. Highest Time
1 AM - 3 AM
31AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
10 PM - 11 PM
27AQI
2 hours / Day
60 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 10 PM to 11 PM (Avg. 27).
2025 Days Vs Air Quality
Ostashkov, Tverskaya Oblast, Russia
2025
68%
148
32%
70
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
148 DaysModerate
70 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 219 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Ostashkov, Tverskaya 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
45AQI
45AQI
3rd January 2025
53AQI
53AQI
4th January 2025
65AQI
65AQI
5th January 2025
83AQI
83AQI
6th January 2025
100AQI
100AQI
7th January 2025
52AQI
52AQI
8th January 2025
60AQI
60AQI
9th January 2025
56AQI
56AQI
10th January 2025
57AQI
57AQI
11th January 2025
56AQI
56AQI
12th January 2025
63AQI
63AQI
13th January 2025
71AQI
71AQI
14th January 2025
65AQI
65AQI
15th January 2025
48AQI
48AQI
16th January 2025
58AQI
58AQI
17th January 2025
31AQI
31AQI
18th January 2025
28AQI
28AQI
19th January 2025
32AQI
32AQI
20th January 2025
29AQI
29AQI
21st January 2025
34AQI
34AQI
22nd January 2025
43AQI
43AQI
23rd January 2025
52AQI
52AQI
24th January 2025
50AQI
50AQI
25th January 2025
47AQI
47AQI
26th January 2025
51AQI
51AQI
27th January 2025
47AQI
47AQI
28th January 2025
47AQI
47AQI
29th January 2025
51AQI
51AQI
30th January 2025
52AQI
52AQI
31st January 2025
49AQI
49AQI
1st February 2025
42AQI
42AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
31AQI
31AQI
4th February 2025
46AQI
46AQI
5th February 2025
61AQI
61AQI
6th February 2025
63AQI
63AQI
7th February 2025
61AQI
61AQI
8th February 2025
61AQI
61AQI
9th February 2025
62AQI
62AQI
10th February 2025
64AQI
64AQI
11th February 2025
59AQI
59AQI
12th February 2025
57AQI
57AQI
13th February 2025
61AQI
61AQI
14th February 2025
61AQI
61AQI
15th February 2025
56AQI
56AQI
16th February 2025
52AQI
52AQI
17th February 2025
63AQI
63AQI
18th February 2025
58AQI
58AQI
19th February 2025
48AQI
48AQI
20th February 2025
43AQI
43AQI
21st February 2025
48AQI
48AQI
22nd February 2025
65AQI
65AQI
23rd February 2025
61AQI
61AQI
24th February 2025
59AQI
59AQI
25th February 2025
76AQI
76AQI
26th February 2025
73AQI
73AQI
27th February 2025
84AQI
84AQI
28th February 2025
90AQI
90AQI
1st March 2025
71AQI
71AQI
2nd March 2025
71AQI
71AQI
3rd March 2025
52AQI
52AQI
4th March 2025
53AQI
53AQI
5th March 2025
44AQI
44AQI
6th March 2025
41AQI
41AQI
7th March 2025
54AQI
54AQI
8th March 2025
56AQI
56AQI
9th March 2025
45AQI
45AQI
10th March 2025
56AQI
56AQI
11th March 2025
58AQI
58AQI
12th March 2025
72AQI
72AQI
13th March 2025
70AQI
70AQI
14th March 2025
63AQI
63AQI
15th March 2025
77AQI
77AQI
16th March 2025
62AQI
62AQI
17th March 2025
59AQI
59AQI
18th March 2025
59AQI
59AQI
19th March 2025
54AQI
54AQI
20th March 2025
52AQI
52AQI
21st March 2025
63AQI
63AQI
22nd March 2025
61AQI
61AQI
23rd March 2025
44AQI
44AQI
24th March 2025
62AQI
62AQI
25th March 2025
56AQI
56AQI
26th March 2025
54AQI
54AQI
27th March 2025
61AQI
61AQI
28th March 2025
48AQI
48AQI
29th March 2025
62AQI
62AQI
30th March 2025
57AQI
57AQI
31st March 2025
59AQI
59AQI
1st April 2025
58AQI
58AQI
2nd April 2025
54AQI
54AQI
3rd April 2025
50AQI
50AQI
4th April 2025
48AQI
48AQI
5th April 2025
40AQI
40AQI
6th April 2025
31AQI
31AQI
7th April 2025
37AQI
37AQI
8th April 2025
42AQI
42AQI
9th April 2025
49AQI
49AQI
10th April 2025
34AQI
34AQI
11th April 2025
46AQI
46AQI
12th April 2025
26AQI
26AQI
13th April 2025
45AQI
45AQI
14th April 2025
31AQI
31AQI
15th April 2025
39AQI
39AQI
16th April 2025
39AQI
39AQI
17th April 2025
49AQI
49AQI
18th April 2025
38AQI
38AQI
19th April 2025
50AQI
50AQI
20th April 2025
56AQI
56AQI
21st April 2025
53AQI
53AQI
22nd April 2025
62AQI
62AQI
23rd April 2025
61AQI
61AQI
24th April 2025
46AQI
46AQI
25th April 2025
40AQI
40AQI
26th April 2025
30AQI
30AQI
27th April 2025
32AQI
32AQI
28th April 2025
36AQI
36AQI
29th April 2025
33AQI
33AQI
30th April 2025
29AQI
29AQI
1st May 2025
26AQI
26AQI
2nd May 2025
19AQI
19AQI
3rd May 2025
20AQI
20AQI
4th May 2025
20AQI
20AQI
5th May 2025
20AQI
20AQI
6th May 2025
24AQI
24AQI
7th May 2025
22AQI
22AQI
8th May 2025
29AQI
29AQI
9th May 2025
21AQI
21AQI
10th May 2025
33AQI
33AQI
11th May 2025
24AQI
24AQI
12th May 2025
31AQI
31AQI
13th May 2025
20AQI
20AQI
14th May 2025
24AQI
24AQI
15th May 2025
23AQI
23AQI
16th May 2025
23AQI
23AQI
17th May 2025
22AQI
22AQI
18th May 2025
24AQI
24AQI
19th May 2025
24AQI
24AQI
20th May 2025
19AQI
19AQI
21st May 2025
13AQI
13AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
14AQI
14AQI
24th May 2025
16AQI
16AQI
25th May 2025
16AQI
16AQI
26th May 2025
23AQI
23AQI
27th May 2025
22AQI
22AQI
28th May 2025
18AQI
18AQI
29th May 2025
17AQI
17AQI
30th May 2025
20AQI
20AQI
31st May 2025
18AQI
18AQI
1st June 2025
15AQI
15AQI
2nd June 2025
12AQI
12AQI
3rd June 2025
16AQI
16AQI
4th June 2025
15AQI
15AQI
5th June 2025
17AQI
17AQI
6th June 2025
33AQI
33AQI
7th June 2025
22AQI
22AQI
8th June 2025
19AQI
19AQI
9th June 2025
25AQI
25AQI
10th June 2025
19AQI
19AQI
11th June 2025
23AQI
23AQI
12th June 2025
25AQI
25AQI
13th June 2025
25AQI
25AQI
14th June 2025
21AQI
21AQI
15th June 2025
21AQI
21AQI
16th June 2025
20AQI
20AQI
17th June 2025
21AQI
21AQI
18th June 2025
20AQI
20AQI
19th June 2025
20AQI
20AQI
20th June 2025
19AQI
19AQI
21st June 2025
19AQI
19AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
21AQI
21AQI
24th June 2025
18AQI
18AQI
25th June 2025
16AQI
16AQI
26th June 2025
16AQI
16AQI
27th June 2025
17AQI
17AQI
28th June 2025
17AQI
17AQI
29th June 2025
16AQI
16AQI
30th June 2025
15AQI
15AQI
1st July 2025
16AQI
16AQI
2nd July 2025
16AQI
16AQI
3rd July 2025
19AQI
19AQI
4th July 2025
16AQI
16AQI
5th July 2025
15AQI
15AQI
6th July 2025
16AQI
16AQI
7th July 2025
17AQI
17AQI
8th July 2025
19AQI
19AQI
9th July 2025
24AQI
24AQI
10th July 2025
22AQI
22AQI
11th July 2025
19AQI
19AQI
12th July 2025
21AQI
21AQI
13th July 2025
24AQI
24AQI
14th July 2025
26AQI
26AQI
15th July 2025
29AQI
29AQI
16th July 2025
26AQI
26AQI
17th July 2025
26AQI
26AQI
18th July 2025
25AQI
25AQI
19th July 2025
24AQI
24AQI
20th July 2025
27AQI
27AQI
21st July 2025
24AQI
24AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
27AQI
27AQI
24th July 2025
32AQI
32AQI
25th July 2025
29AQI
29AQI
26th July 2025
31AQI
31AQI
27th July 2025
30AQI
30AQI
28th July 2025
29AQI
29AQI
29th July 2025
29AQI
29AQI
30th July 2025
29AQI
29AQI
31st July 2025
43AQI
43AQI
1st August 2025
40AQI
40AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
42AQI
42AQI
4th August 2025
34AQI
34AQI
5th August 2025
34AQI
34AQI
6th August 2025
31AQI
31AQI
52AQI
58AQI
58AQI
43AQI
21AQI
20AQI
24AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
14
17
7
21
5
26
24
6
31
30
31
6
148
70
Highest AQI recorded in
February58AQI
Lowest AQI recorded in
June20AQI
202428AQI
28
3
22
7
25
5
1
29
1
31
30
30
1
28
3
3
13
29
1
13
18
281
39
1
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
May13AQI
202320AQI
29
2
5
31
10
26
30
30
1
31
29
1
25
29
24
4
299
8
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
March12AQI
202230AQI
3
20
1
26
4
49
5
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
October10AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2023(Avg.)
20AQIOstashkov's annual 2025 AQI (39) shows an average percentage change of 55.3% (worsened AQI) compared to previous years: 2022 (30), 2023 (20), 2024 (28).
