Cologne, North Rhine Westphalia, Germany 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
Cologne, North Rhine Westphalia, Germany
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2024
76AQILowest AQI recorded on
7th Aug 2021
14AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Cologne, North Rhine Westphalia, Germany
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
11AM4th Aug
25AQI
Avg. Lowest Time
6PM4th Aug
22AQI
Night time
Avg. Highest Time
5AM4th Aug
24AQI
Avg. Lowest Time
3AM5th Aug
19AQI
In the last 24 hours,
Cologne's AQI reached its highest point of 25 at 11 AM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cologne, North Rhine Westphalia, Germany
JulAug
06th - 07th07th - 08th08th - 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
Day
Night
6th Jul 2025225 AMAQI
6th Jul 2025206 AMAQI
6th Jul 2025207 AMAQI
6th Jul 2025198 AMAQI
6th Jul 2025209 AMAQI
6th Jul 20251910 AMAQI
6th Jul 20251911 AMAQI
6th Jul 20251812 PMAQI
6th Jul 2025191 PMAQI
6th Jul 2025192 PMAQI
6th Jul 2025193 PMAQI
6th Jul 2025184 PMAQI
6th Jul 2025195 PMAQI
6th Jul 2025206 PMAQI
6th Jul 2025197 PMAQI
6th Jul 2025198 PMAQI
6th Jul 2025209 PMAQI
6th Jul 20252010 PMAQI
6th Jul 20252011 PMAQI
7th Jul 20252012 AMAQI
7th Jul 2025211 AMAQI
7th Jul 2025182 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025184 AMAQI
16°C14/20°C
7th Jul 2025185 AMAQI
7th Jul 2025176 AMAQI
7th Jul 2025167 AMAQI
7th Jul 2025178 AMAQI
7th Jul 2025189 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025241 PMAQI
7th Jul 2025222 PMAQI
7th Jul 2025213 PMAQI
7th Jul 2025204 PMAQI
7th Jul 2025195 PMAQI
7th Jul 2025196 PMAQI
7th Jul 2025197 PMAQI
7th Jul 2025198 PMAQI
7th Jul 2025199 PMAQI
7th Jul 20251910 PMAQI
7th Jul 20251911 PMAQI
8th Jul 20251912 AMAQI
8th Jul 2025191 AMAQI
8th Jul 2025192 AMAQI
8th Jul 2025193 AMAQI
8th Jul 2025194 AMAQI
16°C13/19°C
8th Jul 2025195 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252210 AMAQI
8th Jul 20252111 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025202 PMAQI
8th Jul 2025203 PMAQI
8th Jul 2025194 PMAQI
8th Jul 2025195 PMAQI
8th Jul 2025206 PMAQI
8th Jul 2025207 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20252010 PMAQI
8th Jul 20252011 PMAQI
9th Jul 20252012 AMAQI
9th Jul 2025201 AMAQI
9th Jul 2025202 AMAQI
9th Jul 2025203 AMAQI
9th Jul 2025214 AMAQI
15°C10/20°C
9th Jul 2025215 AMAQI
9th Jul 2025216 AMAQI
9th Jul 2025227 AMAQI
9th Jul 2025238 AMAQI
9th Jul 2025249 AMAQI
9th Jul 20252510 AMAQI
9th Jul 20252611 AMAQI
9th Jul 20252612 PMAQI
9th Jul 2025251 PMAQI
9th Jul 2025252 PMAQI
9th Jul 2025243 PMAQI
9th Jul 2025244 PMAQI
9th Jul 2025245 PMAQI
9th Jul 2025246 PMAQI
9th Jul 2025247 PMAQI
9th Jul 2025258 PMAQI
9th Jul 2025239 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252411 PMAQI
10th Jul 20252412 AMAQI
10th Jul 2025231 AMAQI
10th Jul 2025302 AMAQI
10th Jul 2025353 AMAQI
10th Jul 2025364 AMAQI
17°C11/24°C
10th Jul 2025375 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025369 AMAQI
10th Jul 20253510 AMAQI
10th Jul 20253311 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025282 PMAQI
10th Jul 2025293 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025285 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025287 PMAQI
10th Jul 2025288 PMAQI
10th Jul 2025289 PMAQI
10th Jul 20252810 PMAQI
10th Jul 20252911 PMAQI
11th Jul 20253012 AMAQI
11th Jul 2025311 AMAQI
11th Jul 2025272 AMAQI
11th Jul 2025263 AMAQI
11th Jul 2025264 AMAQI
20°C13/26°C
11th Jul 2025265 AMAQI
11th Jul 2025276 AMAQI
11th Jul 2025267 AMAQI
11th Jul 2025288 AMAQI
11th Jul 2025279 AMAQI
11th Jul 20252610 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025251 PMAQI
11th Jul 2025252 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025254 PMAQI
11th Jul 2025255 PMAQI
11th Jul 2025256 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025248 PMAQI
11th Jul 2025269 PMAQI
11th Jul 20252610 PMAQI
11th Jul 20252611 PMAQI
12th Jul 20252612 AMAQI
12th Jul 2025271 AMAQI
12th Jul 2025252 AMAQI
12th Jul 2025253 AMAQI
12th Jul 2025274 AMAQI
19°C16/24°C
12th Jul 2025265 AMAQI
12th Jul 2025266 AMAQI
12th Jul 2025297 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025339 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20252912 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025282 PMAQI
12th Jul 2025273 PMAQI
12th Jul 2025264 PMAQI
12th Jul 2025265 PMAQI
12th Jul 2025276 PMAQI
12th Jul 2025277 PMAQI
12th Jul 2025278 PMAQI
12th Jul 2025279 PMAQI
12th Jul 20252710 PMAQI
12th Jul 20252611 PMAQI
13th Jul 20252712 AMAQI
13th Jul 2025271 AMAQI
13th Jul 2025282 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025274 AMAQI
21°C15/27°C
13th Jul 2025295 AMAQI
13th Jul 2025296 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253312 PMAQI
13th Jul 2025311 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025283 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025286 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025299 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20252912 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025443 AMAQI
14th Jul 2025434 AMAQI
21°C16/28°C
14th Jul 2025455 AMAQI
14th Jul 2025446 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025432 PMAQI
14th Jul 2025393 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025379 PMAQI
14th Jul 20253910 PMAQI
14th Jul 20254111 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025401 AMAQI
15th Jul 2025432 AMAQI
15th Jul 2025403 AMAQI
15th Jul 2025374 AMAQI
19°C16/24°C
15th Jul 2025355 AMAQI
15th Jul 2025366 AMAQI
15th Jul 2025357 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025294 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025278 PMAQI
15th Jul 2025299 PMAQI
15th Jul 20253110 PMAQI
15th Jul 20253111 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025351 AMAQI
16th Jul 2025262 AMAQI
16th Jul 2025203 AMAQI
16th Jul 2025204 AMAQI
20°C15/25°C
16th Jul 2025195 AMAQI
16th Jul 2025206 AMAQI
16th Jul 2025217 AMAQI
16th Jul 2025218 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252310 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025256 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252410 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025241 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025233 AMAQI
17th Jul 2025264 AMAQI
18°C15/21°C
17th Jul 2025275 AMAQI
17th Jul 2025336 AMAQI
17th Jul 2025387 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025254 PMAQI
17th Jul 2025255 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025259 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025353 AMAQI
18th Jul 2025354 AMAQI
19°C13/27°C
18th Jul 2025345 AMAQI
18th Jul 2025346 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025422 AMAQI
19th Jul 2025453 AMAQI
19th Jul 2025464 AMAQI
22°C15/28°C
19th Jul 2025455 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025378 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025372 AMAQI
20th Jul 2025373 AMAQI
20th Jul 2025374 AMAQI
23°C17/33°C
20th Jul 2025375 AMAQI
20th Jul 2025366 AMAQI
20th Jul 2025357 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025315 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20253110 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025213 AMAQI
21st Jul 2025204 AMAQI
22°C18/30°C
21st Jul 2025205 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251710 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025194 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025207 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252110 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025153 AMAQI
22nd Jul 2025154 AMAQI
21°C17/26°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251711 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025151 PMAQI
22nd Jul 2025172 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251710 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025173 AMAQI
23rd Jul 2025164 AMAQI
19°C14/23°C
23rd Jul 2025165 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025177 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025179 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251412 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025177 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20251911 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025181 AMAQI
24th Jul 2025192 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025254 AMAQI
19°C14/25°C
24th Jul 2025355 AMAQI
24th Jul 2025386 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025464 AMAQI
20°C15/25°C
25th Jul 2025515 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20254411 AMAQI
25th Jul 20254412 PMAQI
25th Jul 2025371 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025374 AMAQI
21°C16/27°C
26th Jul 2025385 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253311 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025382 PMAQI
26th Jul 2025373 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025375 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20254211 PMAQI
27th Jul 20253912 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025452 AMAQI
27th Jul 2025563 AMAQI
27th Jul 2025514 AMAQI
21°C16/28°C
27th Jul 2025495 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255110 AMAQI
27th Jul 20255311 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025452 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254512 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025333 AMAQI
28th Jul 2025294 AMAQI
18°C15/21°C
28th Jul 2025305 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025274 AMAQI
18°C14/22°C
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025343 AMAQI
30th Jul 2025324 AMAQI
17°C12/23°C
30th Jul 2025335 AMAQI
30th Jul 2025326 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025319 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025303 AMAQI
31st Jul 2025274 AMAQI
18°C13/24°C
31st Jul 2025255 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20252711 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025213 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025204 AMAQI
18°C14/22°C
1st Aug 2025245 AMAQI
1st Aug 2025236 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252411 AMAQI
1st Aug 20253612 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025239 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025224 AMAQI
18°C14/23°C
2nd Aug 2025245 AMAQI
2nd Aug 2025236 AMAQI
2nd Aug 2025207 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025209 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025212 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025212 AMAQI
3rd Aug 2025203 AMAQI
3rd Aug 2025214 AMAQI
16°C12/21°C
3rd Aug 2025195 AMAQI
3rd Aug 2025216 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025218 AMAQI
3rd Aug 2025199 AMAQI
3rd Aug 20251910 AMAQI
3rd Aug 20252111 AMAQI
3rd Aug 20252012 PMAQI
3rd Aug 2025201 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025203 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025216 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025218 PMAQI
3rd Aug 2025229 PMAQI
3rd Aug 20252210 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252212 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025212 AMAQI
4th Aug 2025193 AMAQI
4th Aug 2025224 AMAQI
18°C13/24°C
4th Aug 2025245 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025238 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20252511 AMAQI
4th Aug 20252412 PMAQI
4th Aug 2025241 PMAQI
4th Aug 2025232 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025235 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025237 PMAQI
4th Aug 2025248 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025193 AMAQI
21°C16/27°C
5 AM
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
28AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
28AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 28), while the lowest AQI was between 5 AM to 9 PM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 11 PM
28AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
28AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 28), while the lowest AQI was between 12 AM to 11 PM (Avg. 28).
2025 Days Vs Air Quality
Cologne, North Rhine Westphalia, Germany
2025
70%
151
29%
62
0.9%
2
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
151 DaysModerate
62 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 217 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
Cologne, North Rhine Westphalia, Germany
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
35AQI
35AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
31AQI
31AQI
4th January 2025
42AQI
42AQI
5th January 2025
41AQI
41AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
21AQI
21AQI
9th January 2025
25AQI
25AQI
10th January 2025
39AQI
39AQI
11th January 2025
62AQI
62AQI
12th January 2025
75AQI
75AQI
13th January 2025
63AQI
63AQI
14th January 2025
58AQI
58AQI
15th January 2025
75AQI
75AQI
16th January 2025
59AQI
59AQI
17th January 2025
53AQI
53AQI
18th January 2025
54AQI
54AQI
19th January 2025
67AQI
67AQI
20th January 2025
84AQI
84AQI
21st January 2025
81AQI
81AQI
22nd January 2025
69AQI
69AQI
23rd January 2025
59AQI
59AQI
24th January 2025
32AQI
32AQI
25th January 2025
22AQI
22AQI
26th January 2025
32AQI
32AQI
27th January 2025
21AQI
21AQI
28th January 2025
22AQI
22AQI
29th January 2025
21AQI
21AQI
30th January 2025
24AQI
24AQI
31st January 2025
36AQI
36AQI
1st February 2025
48AQI
48AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
63AQI
63AQI
4th February 2025
74AQI
74AQI
5th February 2025
73AQI
73AQI
6th February 2025
69AQI
69AQI
7th February 2025
52AQI
52AQI
8th February 2025
68AQI
68AQI
9th February 2025
86AQI
86AQI
10th February 2025
112AQI
112AQI
11th February 2025
94AQI
94AQI
12th February 2025
53AQI
53AQI
13th February 2025
87AQI
87AQI
14th February 2025
129AQI
129AQI
15th February 2025
98AQI
98AQI
16th February 2025
47AQI
47AQI
17th February 2025
53AQI
53AQI
18th February 2025
62AQI
62AQI
19th February 2025
65AQI
65AQI
20th February 2025
69AQI
69AQI
21st February 2025
65AQI
65AQI
22nd February 2025
55AQI
55AQI
23rd February 2025
35AQI
35AQI
24th February 2025
26AQI
26AQI
25th February 2025
25AQI
25AQI
26th February 2025
32AQI
32AQI
27th February 2025
27AQI
27AQI
28th February 2025
35AQI
35AQI
1st March 2025
55AQI
55AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
53AQI
53AQI
4th March 2025
55AQI
55AQI
5th March 2025
52AQI
52AQI
6th March 2025
56AQI
56AQI
7th March 2025
57AQI
57AQI
8th March 2025
58AQI
58AQI
9th March 2025
74AQI
74AQI
10th March 2025
81AQI
81AQI
11th March 2025
98AQI
98AQI
12th March 2025
73AQI
73AQI
13th March 2025
55AQI
55AQI
14th March 2025
53AQI
53AQI
15th March 2025
42AQI
42AQI
16th March 2025
58AQI
58AQI
17th March 2025
45AQI
45AQI
18th March 2025
24AQI
24AQI
19th March 2025
32AQI
32AQI
20th March 2025
52AQI
52AQI
21st March 2025
51AQI
51AQI
22nd March 2025
35AQI
35AQI
23rd March 2025
29AQI
29AQI
24th March 2025
41AQI
41AQI
25th March 2025
93AQI
93AQI
26th March 2025
93AQI
93AQI
27th March 2025
52AQI
52AQI
28th March 2025
67AQI
67AQI
29th March 2025
63AQI
63AQI
30th March 2025
40AQI
40AQI
31st March 2025
34AQI
34AQI
1st April 2025
35AQI
35AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
47AQI
47AQI
4th April 2025
49AQI
49AQI
5th April 2025
49AQI
49AQI
6th April 2025
28AQI
28AQI
7th April 2025
19AQI
19AQI
8th April 2025
21AQI
21AQI
9th April 2025
42AQI
42AQI
10th April 2025
52AQI
52AQI
11th April 2025
57AQI
57AQI
12th April 2025
59AQI
59AQI
13th April 2025
38AQI
38AQI
14th April 2025
52AQI
52AQI
15th April 2025
41AQI
41AQI
16th April 2025
30AQI
30AQI
17th April 2025
40AQI
40AQI
18th April 2025
29AQI
29AQI
19th April 2025
28AQI
28AQI
20th April 2025
36AQI
36AQI
21st April 2025
27AQI
27AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
31AQI
31AQI
24th April 2025
39AQI
39AQI
25th April 2025
55AQI
55AQI
26th April 2025
54AQI
54AQI
27th April 2025
26AQI
26AQI
28th April 2025
29AQI
29AQI
29th April 2025
42AQI
42AQI
30th April 2025
40AQI
40AQI
1st May 2025
43AQI
43AQI
2nd May 2025
47AQI
47AQI
3rd May 2025
62AQI
62AQI
4th May 2025
45AQI
45AQI
5th May 2025
22AQI
22AQI
6th May 2025
21AQI
21AQI
7th May 2025
28AQI
28AQI
8th May 2025
27AQI
27AQI
9th May 2025
22AQI
22AQI
10th May 2025
25AQI
25AQI
11th May 2025
22AQI
22AQI
12th May 2025
18AQI
18AQI
13th May 2025
25AQI
25AQI
14th May 2025
34AQI
34AQI
15th May 2025
41AQI
41AQI
16th May 2025
28AQI
28AQI
17th May 2025
37AQI
37AQI
18th May 2025
44AQI
44AQI
19th May 2025
43AQI
43AQI
20th May 2025
29AQI
29AQI
21st May 2025
32AQI
32AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
24AQI
24AQI
24th May 2025
23AQI
23AQI
25th May 2025
20AQI
20AQI
26th May 2025
21AQI
21AQI
27th May 2025
24AQI
24AQI
28th May 2025
16AQI
16AQI
29th May 2025
23AQI
23AQI
30th May 2025
20AQI
20AQI
31st May 2025
36AQI
36AQI
1st June 2025
30AQI
30AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
32AQI
32AQI
4th June 2025
42AQI
42AQI
5th June 2025
21AQI
21AQI
6th June 2025
16AQI
16AQI
7th June 2025
15AQI
15AQI
8th June 2025
17AQI
17AQI
9th June 2025
23AQI
23AQI
10th June 2025
51AQI
51AQI
11th June 2025
46AQI
46AQI
12th June 2025
39AQI
39AQI
13th June 2025
47AQI
47AQI
14th June 2025
54AQI
54AQI
15th June 2025
48AQI
48AQI
16th June 2025
32AQI
32AQI
17th June 2025
38AQI
38AQI
18th June 2025
44AQI
44AQI
19th June 2025
46AQI
46AQI
20th June 2025
32AQI
32AQI
21st June 2025
28AQI
28AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
31AQI
31AQI
24th June 2025
25AQI
25AQI
25th June 2025
24AQI
24AQI
26th June 2025
24AQI
24AQI
27th June 2025
22AQI
22AQI
28th June 2025
21AQI
21AQI
29th June 2025
21AQI
21AQI
30th June 2025
24AQI
24AQI
1st July 2025
26AQI
26AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
35AQI
35AQI
4th July 2025
25AQI
25AQI
5th July 2025
24AQI
24AQI
6th July 2025
21AQI
21AQI
7th July 2025
19AQI
19AQI
8th July 2025
20AQI
20AQI
9th July 2025
23AQI
23AQI
10th July 2025
30AQI
30AQI
11th July 2025
26AQI
26AQI
12th July 2025
27AQI
27AQI
13th July 2025
29AQI
29AQI
14th July 2025
39AQI
39AQI
15th July 2025
33AQI
33AQI
16th July 2025
25AQI
25AQI
17th July 2025
27AQI
27AQI
18th July 2025
31AQI
31AQI
19th July 2025
38AQI
38AQI
20th July 2025
33AQI
33AQI
21st July 2025
22AQI
22AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
17AQI
17AQI
24th July 2025
30AQI
30AQI
25th July 2025
40AQI
40AQI
26th July 2025
38AQI
38AQI
27th July 2025
46AQI
46AQI
28th July 2025
34AQI
34AQI
29th July 2025
29AQI
29AQI
30th July 2025
31AQI
31AQI
31st July 2025
26AQI
26AQI
1st August 2025
24AQI
24AQI
2nd August 2025
22AQI
22AQI
3rd August 2025
21AQI
21AQI
44AQI
63AQI
56AQI
38AQI
30AQI
32AQI
29AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
18
13
8
18
2
9
22
24
6
30
1
28
2
31
3
151
62
2
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
August22AQI
202433AQI
25
6
29
28
3
30
27
4
27
3
31
28
3
22
8
31
22
8
25
6
325
41
Highest AQI recorded in
September39AQI
Lowest AQI recorded in
February23AQI
202331AQI
29
2
14
14
30
1
28
2
29
2
28
2
31
31
27
3
31
29
29
2
336
28
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
November23AQI
202234AQI
26
5
21
18
13
30
30
1
30
24
3
29
31
28
2
22
9
292
30
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
September26AQI
202127AQI
30
28
31
29
1
31
27
3
31
31
30
31
28
2
28
3
355
9
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January13AQI
202020AQI
13
16
1
18
30
31
31
30
31
30
31
261
1
Highest AQI recorded in
April27AQI
Lowest AQI recorded in
December11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
20AQICologne's annual 2025 AQI (41) shows an average percentage change of 47.2% (worsened AQI) compared to previous years: 2020 (20), 2021 (27), 2022 (34), 2023 (31), 2024 (33).
