Ulyanovsk, Ulyanovskaya 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
Ulyanovsk, Ulyanovskaya Oblast, Russia
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
70AQILowest AQI recorded on
28th Aug 2023
5AQISame Day Analysis (10th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Ulyanovsk, Ulyanovskaya Oblast, Russia
AQI
Day
Night
.
3 AM10th Aug 2025
7 PM
2 AM11th Aug 2025
Day time
Avg. Highest Time
5AM10th Aug
31AQI
Avg. Lowest Time
10AM10th Aug
16AQI
Night time
Avg. Highest Time
1AM11th Aug
27AQI
Avg. Lowest Time
10PM10th Aug
25AQI
In the last 24 hours,
Ulyanovsk's AQI reached its highest point of 31 at 5 AM during the Day, while the lowest point, 16, was recorded at 10 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ulyanovsk, Ulyanovskaya 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 2025243 AMAQI
12th Jul 2025224 AMAQI
12th Jul 2025245 AMAQI
12th Jul 2025216 AMAQI
12th Jul 2025317 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20252811 AMAQI
12th Jul 20252512 PMAQI
12th Jul 2025261 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025313 PMAQI
12th Jul 2025294 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025267 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252510 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252312 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025252 AMAQI
23°C20/26°C
13th Jul 2025253 AMAQI
13th Jul 2025244 AMAQI
13th Jul 2025255 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025228 AMAQI
13th Jul 2025239 AMAQI
13th Jul 20252610 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025201 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025223 PMAQI
13th Jul 2025224 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025216 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252210 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252212 AMAQI
14th Jul 2025231 AMAQI
14th Jul 2025242 AMAQI
20°C18/23°C
14th Jul 2025263 AMAQI
14th Jul 2025244 AMAQI
14th Jul 2025265 AMAQI
14th Jul 2025246 AMAQI
14th Jul 2025397 AMAQI
14th Jul 2025408 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025201 PMAQI
14th Jul 2025192 PMAQI
14th Jul 2025183 PMAQI
14th Jul 2025294 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252610 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252312 AMAQI
15th Jul 2025231 AMAQI
15th Jul 2025262 AMAQI
20°C17/23°C
15th Jul 2025303 AMAQI
15th Jul 2025264 AMAQI
15th Jul 2025265 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025427 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20254110 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025207 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025259 PMAQI
15th Jul 20252110 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025211 AMAQI
16th Jul 2025142 AMAQI
21°C18/23°C
16th Jul 2025243 AMAQI
16th Jul 2025264 AMAQI
16th Jul 2025265 AMAQI
16th Jul 2025296 AMAQI
16th Jul 2025267 AMAQI
16th Jul 2025228 AMAQI
16th Jul 2025189 AMAQI
16th Jul 20252610 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252012 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025175 PMAQI
16th Jul 2025186 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025208 PMAQI
16th Jul 2025189 PMAQI
16th Jul 20251910 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252612 AMAQI
17th Jul 2025251 AMAQI
17th Jul 2025222 AMAQI
19°C16/21°C
17th Jul 2025253 AMAQI
17th Jul 2025244 AMAQI
17th Jul 2025255 AMAQI
17th Jul 2025246 AMAQI
17th Jul 2025207 AMAQI
17th Jul 2025218 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025251 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025266 PMAQI
17th Jul 2025237 PMAQI
17th Jul 2025238 PMAQI
17th Jul 2025279 PMAQI
17th Jul 20252210 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252912 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025392 AMAQI
19°C16/23°C
18th Jul 2025263 AMAQI
18th Jul 2025244 AMAQI
18th Jul 2025225 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025272 AMAQI
19°C15/21°C
19th Jul 2025273 AMAQI
19th Jul 2025264 AMAQI
19th Jul 2025275 AMAQI
19th Jul 2025266 AMAQI
19th Jul 2025197 AMAQI
19th Jul 2025188 AMAQI
19th Jul 2025199 AMAQI
19th Jul 20251710 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025174 PMAQI
19th Jul 2025195 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025252 AMAQI
18°C13/21°C
20th Jul 2025263 AMAQI
20th Jul 2025284 AMAQI
20th Jul 2025285 AMAQI
20th Jul 2025276 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025211 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025259 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252511 PMAQI
21st Jul 20252712 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025242 AMAQI
20°C15/24°C
21st Jul 2025263 AMAQI
21st Jul 2025264 AMAQI
21st Jul 2025265 AMAQI
21st Jul 2025266 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025272 AMAQI
20°C18/23°C
22nd Jul 2025273 AMAQI
22nd Jul 2025294 AMAQI
22nd Jul 2025285 AMAQI
22nd Jul 2025286 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025238 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025262 AMAQI
22°C19/27°C
23rd Jul 2025243 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025265 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025317 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025302 AMAQI
21°C18/24°C
24th Jul 2025303 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025285 AMAQI
24th Jul 2025276 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025271 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025312 AMAQI
21°C18/24°C
25th Jul 2025303 AMAQI
25th Jul 2025304 AMAQI
25th Jul 2025305 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025297 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025299 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025292 AMAQI
20°C17/23°C
26th Jul 2025303 AMAQI
26th Jul 2025324 AMAQI
26th Jul 2025335 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025208 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025213 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025292 AMAQI
17°C14/20°C
27th Jul 2025333 AMAQI
27th Jul 2025304 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025238 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252511 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025282 AMAQI
18°C14/22°C
28th Jul 2025303 AMAQI
28th Jul 2025294 AMAQI
28th Jul 2025305 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025236 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025259 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252511 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025262 AMAQI
20°C15/23°C
29th Jul 2025263 AMAQI
29th Jul 2025284 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025218 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252410 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025251 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025235 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025322 AMAQI
21°C17/25°C
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI
30th Jul 2025285 AMAQI
30th Jul 2025286 AMAQI
30th Jul 2025257 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20252810 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025491 AMAQI
31st Jul 2025632 AMAQI
22°C18/25°C
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253010 AMAQI
31st Jul 20253511 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025333 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20254710 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025632 AMAQI
21°C19/25°C
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
1st Aug 2025525 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20257010 AMAQI
1st Aug 20257911 AMAQI
1st Aug 20257312 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025777 PMAQI
1st Aug 2025748 PMAQI
1st Aug 2025699 PMAQI
1st Aug 20255010 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025732 AMAQI
22°C17/25°C
2nd Aug 2025703 AMAQI
2nd Aug 2025664 AMAQI
2nd Aug 2025605 AMAQI
2nd Aug 2025776 AMAQI
2nd Aug 2025797 AMAQI
2nd Aug 2025858 AMAQI
2nd Aug 2025839 AMAQI
2nd Aug 20256810 AMAQI
2nd Aug 20258811 AMAQI
2nd Aug 20256712 PMAQI
2nd Aug 2025711 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025665 PMAQI
2nd Aug 2025736 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025649 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20256112 AMAQI
3rd Aug 2025641 AMAQI
3rd Aug 2025792 AMAQI
22°C19/26°C
3rd Aug 2025713 AMAQI
3rd Aug 2025704 AMAQI
3rd Aug 2025725 AMAQI
3rd Aug 2025676 AMAQI
3rd Aug 2025777 AMAQI
3rd Aug 2025798 AMAQI
3rd Aug 2025719 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256811 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025613 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256410 PMAQI
3rd Aug 20256711 PMAQI
4th Aug 20256112 AMAQI
4th Aug 2025621 AMAQI
4th Aug 2025622 AMAQI
23°C19/27°C
4th Aug 2025583 AMAQI
4th Aug 2025564 AMAQI
4th Aug 2025585 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025667 AMAQI
4th Aug 2025628 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20256911 AMAQI
4th Aug 20256412 PMAQI
4th Aug 2025821 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025623 PMAQI
4th Aug 2025564 PMAQI
4th Aug 2025665 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20254610 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20253612 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025542 AMAQI
23°C20/28°C
5th Aug 2025483 AMAQI
5th Aug 2025554 AMAQI
5th Aug 2025565 AMAQI
5th Aug 2025426 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025439 AMAQI
5th Aug 20254110 AMAQI
5th Aug 20257811 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025418 PMAQI
5th Aug 2025369 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025462 AMAQI
23°C20/28°C
6th Aug 2025463 AMAQI
6th Aug 2025584 AMAQI
6th Aug 2025465 AMAQI
6th Aug 2025396 AMAQI
6th Aug 2025387 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025439 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253911 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025641 PMAQI
6th Aug 2025262 PMAQI
6th Aug 2025603 PMAQI
6th Aug 2025684 PMAQI
6th Aug 2025705 PMAQI
6th Aug 2025396 PMAQI
6th Aug 2025317 PMAQI
6th Aug 2025378 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20253410 PMAQI
6th Aug 20254111 PMAQI
7th Aug 20253412 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025362 AMAQI
21°C19/24°C
7th Aug 2025313 AMAQI
7th Aug 2025414 AMAQI
7th Aug 2025445 AMAQI
7th Aug 2025376 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025388 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20254911 AMAQI
7th Aug 20253212 PMAQI
7th Aug 2025301 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025263 PMAQI
7th Aug 2025244 PMAQI
7th Aug 2025255 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025299 PMAQI
7th Aug 20252910 PMAQI
7th Aug 20252811 PMAQI
8th Aug 20253112 AMAQI
8th Aug 2025301 AMAQI
8th Aug 2025342 AMAQI
22°C20/26°C
8th Aug 2025363 AMAQI
8th Aug 2025374 AMAQI
8th Aug 2025385 AMAQI
8th Aug 2025386 AMAQI
8th Aug 2025427 AMAQI
8th Aug 2025368 AMAQI
8th Aug 2025349 AMAQI
8th Aug 20252710 AMAQI
8th Aug 20252811 AMAQI
8th Aug 20252412 PMAQI
8th Aug 2025261 PMAQI
8th Aug 2025252 PMAQI
8th Aug 2025263 PMAQI
8th Aug 2025264 PMAQI
8th Aug 2025225 PMAQI
8th Aug 2025226 PMAQI
8th Aug 2025297 PMAQI
8th Aug 2025298 PMAQI
8th Aug 2025309 PMAQI
8th Aug 20253010 PMAQI
8th Aug 20253011 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025301 AMAQI
9th Aug 2025322 AMAQI
20°C17/23°C
9th Aug 2025323 AMAQI
9th Aug 2025334 AMAQI
9th Aug 2025365 AMAQI
9th Aug 2025366 AMAQI
9th Aug 2025197 AMAQI
9th Aug 2025138 AMAQI
9th Aug 2025149 AMAQI
9th Aug 20251910 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20251912 PMAQI
9th Aug 2025191 PMAQI
9th Aug 2025182 PMAQI
9th Aug 2025183 PMAQI
9th Aug 2025184 PMAQI
9th Aug 2025185 PMAQI
9th Aug 2025196 PMAQI
9th Aug 2025287 PMAQI
9th Aug 2025268 PMAQI
9th Aug 2025289 PMAQI
9th Aug 20252810 PMAQI
9th Aug 20253011 PMAQI
10th Aug 20253012 AMAQI
10th Aug 2025281 AMAQI
10th Aug 2025292 AMAQI
19°C15/23°C
10th Aug 2025253 AMAQI
10th Aug 2025294 AMAQI
10th Aug 2025315 AMAQI
10th Aug 2025316 AMAQI
10th Aug 2025257 AMAQI
10th Aug 2025168 AMAQI
10th Aug 2025229 AMAQI
10th Aug 20251610 AMAQI
10th Aug 20252211 AMAQI
10th Aug 20252212 PMAQI
10th Aug 2025221 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025193 PMAQI
10th Aug 2025204 PMAQI
10th Aug 2025205 PMAQI
10th Aug 2025196 PMAQI
10th Aug 2025257 PMAQI
10th Aug 2025268 PMAQI
10th Aug 2025269 PMAQI
10th Aug 20252510 PMAQI
10th Aug 20252611 PMAQI
11th Aug 20252612 AMAQI
11th Aug 2025271 AMAQI
11th Aug 2025272 AMAQI
18°C16/21°C
11th Aug 2025283 AMAQI
3 AM11th Aug 2025284 AMAQI
11th Aug 2025285 AMAQI
11th Aug 2025286 AMAQI
11th Aug 2025227 AMAQI
11th Aug 2025178 AMAQI
11th Aug 2025239 AMAQI
11th Aug 20251810 AMAQI
11th Aug 20252011 AMAQI
11 AM11th Aug 20252012 PMAQI
11th Aug 2025431 PMAQI
11th Aug 2025432 PMAQI
11th Aug 2025563 PMAQI
11th Aug 2025444 PMAQI
11th Aug 2025575 PMAQI
11th Aug 2025626 PMAQI
11th Aug 2025507 PMAQI
7 PM11 PM
2 AM
--°C/°C
Day time
Avg. Highest Time
3 AM - 8 AM
35AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
2 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 8 AM (Avg. 35), while the lowest AQI was between 2 PM to 2 PM (Avg. 30).
Night time
Avg. Highest Time
2 AM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM - 10 PM
32AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 36), while the lowest AQI was between 8 PM to 10 PM (Avg. 32).
2025 Days Vs Air Quality
Ulyanovsk, Ulyanovskaya Oblast, Russia
2025
45%
99
53%
118
2%
5
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
99 DaysModerate
118 DaysPoor
5 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 45%
Health Risk Level:
Significant
In 2025, 45% of 223 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Ulyanovsk, Ulyanovskaya 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
66AQI
66AQI
2nd January 2025
47AQI
47AQI
3rd January 2025
56AQI
56AQI
4th January 2025
64AQI
64AQI
5th January 2025
81AQI
81AQI
6th January 2025
83AQI
83AQI
7th January 2025
66AQI
66AQI
8th January 2025
59AQI
59AQI
9th January 2025
73AQI
73AQI
10th January 2025
68AQI
68AQI
11th January 2025
84AQI
84AQI
12th January 2025
83AQI
83AQI
13th January 2025
86AQI
86AQI
14th January 2025
81AQI
81AQI
15th January 2025
64AQI
64AQI
16th January 2025
91AQI
91AQI
17th January 2025
68AQI
68AQI
18th January 2025
67AQI
67AQI
19th January 2025
71AQI
71AQI
20th January 2025
67AQI
67AQI
21st January 2025
62AQI
62AQI
22nd January 2025
71AQI
71AQI
23rd January 2025
79AQI
79AQI
24th January 2025
67AQI
67AQI
25th January 2025
55AQI
55AQI
26th January 2025
64AQI
64AQI
27th January 2025
71AQI
71AQI
28th January 2025
57AQI
57AQI
29th January 2025
58AQI
58AQI
30th January 2025
54AQI
54AQI
31st January 2025
56AQI
56AQI
1st February 2025
56AQI
56AQI
2nd February 2025
69AQI
69AQI
3rd February 2025
54AQI
54AQI
4th February 2025
74AQI
74AQI
5th February 2025
75AQI
75AQI
6th February 2025
80AQI
80AQI
7th February 2025
113AQI
113AQI
8th February 2025
135AQI
135AQI
9th February 2025
99AQI
99AQI
10th February 2025
81AQI
81AQI
11th February 2025
78AQI
78AQI
12th February 2025
85AQI
85AQI
13th February 2025
110AQI
110AQI
14th February 2025
89AQI
89AQI
15th February 2025
71AQI
71AQI
16th February 2025
83AQI
83AQI
17th February 2025
76AQI
76AQI
18th February 2025
69AQI
69AQI
19th February 2025
64AQI
64AQI
20th February 2025
74AQI
74AQI
21st February 2025
78AQI
78AQI
22nd February 2025
66AQI
66AQI
23rd February 2025
61AQI
61AQI
24th February 2025
63AQI
63AQI
25th February 2025
74AQI
74AQI
26th February 2025
73AQI
73AQI
27th February 2025
68AQI
68AQI
28th February 2025
76AQI
76AQI
1st March 2025
77AQI
77AQI
2nd March 2025
76AQI
76AQI
3rd March 2025
56AQI
56AQI
4th March 2025
58AQI
58AQI
5th March 2025
58AQI
58AQI
6th March 2025
53AQI
53AQI
7th March 2025
80AQI
80AQI
8th March 2025
71AQI
71AQI
9th March 2025
73AQI
73AQI
10th March 2025
83AQI
83AQI
11th March 2025
89AQI
89AQI
12th March 2025
94AQI
94AQI
13th March 2025
77AQI
77AQI
14th March 2025
66AQI
66AQI
15th March 2025
78AQI
78AQI
16th March 2025
65AQI
65AQI
17th March 2025
65AQI
65AQI
18th March 2025
59AQI
59AQI
19th March 2025
67AQI
67AQI
20th March 2025
82AQI
82AQI
21st March 2025
80AQI
80AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
61AQI
61AQI
24th March 2025
69AQI
69AQI
25th March 2025
62AQI
62AQI
26th March 2025
75AQI
75AQI
27th March 2025
76AQI
76AQI
28th March 2025
59AQI
59AQI
29th March 2025
67AQI
67AQI
30th March 2025
70AQI
70AQI
31st March 2025
70AQI
70AQI
1st April 2025
70AQI
70AQI
2nd April 2025
71AQI
71AQI
3rd April 2025
52AQI
52AQI
4th April 2025
56AQI
56AQI
5th April 2025
62AQI
62AQI
6th April 2025
69AQI
69AQI
7th April 2025
69AQI
69AQI
8th April 2025
59AQI
59AQI
9th April 2025
49AQI
49AQI
10th April 2025
67AQI
67AQI
11th April 2025
86AQI
86AQI
12th April 2025
103AQI
103AQI
13th April 2025
79AQI
79AQI
14th April 2025
93AQI
93AQI
15th April 2025
88AQI
88AQI
16th April 2025
148AQI
148AQI
17th April 2025
76AQI
76AQI
18th April 2025
82AQI
82AQI
19th April 2025
69AQI
69AQI
20th April 2025
60AQI
60AQI
21st April 2025
66AQI
66AQI
22nd April 2025
67AQI
67AQI
23rd April 2025
69AQI
69AQI
24th April 2025
61AQI
61AQI
25th April 2025
77AQI
77AQI
26th April 2025
84AQI
84AQI
27th April 2025
84AQI
84AQI
28th April 2025
76AQI
76AQI
29th April 2025
80AQI
80AQI
30th April 2025
74AQI
74AQI
1st May 2025
51AQI
51AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
22AQI
22AQI
4th May 2025
22AQI
22AQI
5th May 2025
21AQI
21AQI
6th May 2025
23AQI
23AQI
7th May 2025
21AQI
21AQI
8th May 2025
26AQI
26AQI
9th May 2025
27AQI
27AQI
10th May 2025
26AQI
26AQI
11th May 2025
21AQI
21AQI
12th May 2025
24AQI
24AQI
13th May 2025
20AQI
20AQI
14th May 2025
24AQI
24AQI
15th May 2025
27AQI
27AQI
16th May 2025
23AQI
23AQI
17th May 2025
26AQI
26AQI
18th May 2025
25AQI
25AQI
19th May 2025
24AQI
24AQI
20th May 2025
22AQI
22AQI
21st May 2025
16AQI
16AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
15AQI
15AQI
24th May 2025
17AQI
17AQI
25th May 2025
16AQI
16AQI
26th May 2025
18AQI
18AQI
27th May 2025
16AQI
16AQI
28th May 2025
15AQI
15AQI
29th May 2025
14AQI
14AQI
30th May 2025
17AQI
17AQI
31st May 2025
16AQI
16AQI
1st June 2025
16AQI
16AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
15AQI
15AQI
4th June 2025
18AQI
18AQI
5th June 2025
15AQI
15AQI
6th June 2025
15AQI
15AQI
7th June 2025
17AQI
17AQI
8th June 2025
19AQI
19AQI
9th June 2025
19AQI
19AQI
10th June 2025
20AQI
20AQI
11th June 2025
24AQI
24AQI
12th June 2025
23AQI
23AQI
13th June 2025
27AQI
27AQI
14th June 2025
29AQI
29AQI
15th June 2025
24AQI
24AQI
16th June 2025
25AQI
25AQI
17th June 2025
26AQI
26AQI
18th June 2025
25AQI
25AQI
19th June 2025
23AQI
23AQI
20th June 2025
21AQI
21AQI
21st June 2025
20AQI
20AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
18AQI
18AQI
24th June 2025
18AQI
18AQI
25th June 2025
16AQI
16AQI
26th June 2025
18AQI
18AQI
27th June 2025
17AQI
17AQI
28th June 2025
17AQI
17AQI
29th June 2025
18AQI
18AQI
30th June 2025
18AQI
18AQI
1st July 2025
23AQI
23AQI
2nd July 2025
20AQI
20AQI
3rd July 2025
22AQI
22AQI
4th July 2025
21AQI
21AQI
5th July 2025
20AQI
20AQI
6th July 2025
17AQI
17AQI
7th July 2025
18AQI
18AQI
8th July 2025
19AQI
19AQI
9th July 2025
21AQI
21AQI
10th July 2025
21AQI
21AQI
11th July 2025
22AQI
22AQI
12th July 2025
25AQI
25AQI
13th July 2025
23AQI
23AQI
14th July 2025
24AQI
24AQI
15th July 2025
27AQI
27AQI
16th July 2025
22AQI
22AQI
17th July 2025
24AQI
24AQI
18th July 2025
24AQI
24AQI
19th July 2025
24AQI
24AQI
20th July 2025
24AQI
24AQI
21st July 2025
25AQI
25AQI
22nd July 2025
26AQI
26AQI
23rd July 2025
26AQI
26AQI
24th July 2025
29AQI
29AQI
25th July 2025
30AQI
30AQI
26th July 2025
27AQI
27AQI
27th July 2025
26AQI
26AQI
28th July 2025
25AQI
25AQI
29th July 2025
25AQI
25AQI
30th July 2025
27AQI
27AQI
31st July 2025
48AQI
48AQI
1st August 2025
60AQI
60AQI
2nd August 2025
70AQI
70AQI
3rd August 2025
65AQI
65AQI
4th August 2025
59AQI
59AQI
5th August 2025
46AQI
46AQI
6th August 2025
46AQI
46AQI
7th August 2025
33AQI
33AQI
8th August 2025
31AQI
31AQI
9th August 2025
26AQI
26AQI
10th August 2025
26AQI
26AQI
68AQI
78AQI
70AQI
75AQI
22AQI
20AQI
24AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202551AQI
1
30
25
3
31
1
27
2
30
1
30
31
6
4
99
118
5
Highest AQI recorded in
February78AQI
Lowest AQI recorded in
June20AQI
202441AQI
3
1
1
14
25
2
1
6
1
1
29
1
31
24
6
28
3
30
1
3
13
24
6
1
27
3
217
48
5
15
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
May10AQI
202329AQI
1
30
1
29
1
19
22
31
30
29
1
1
22
5
2
18
4
2
5
1
231
11
3
7
1
1
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
August13AQI
202243AQI
3
1
23
4
1
1
1
24
3
1
50
8
1
1
2
Highest AQI recorded in
November46AQI
Lowest AQI recorded in
October32AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
51AQILeast Polluted Year Recorded
2023(Avg.)
29AQIUlyanovsk's annual 2025 AQI (51) shows an average percentage change of 39.9% (worsened AQI) compared to previous years: 2022 (43), 2023 (29), 2024 (41).
