Aachen, 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
Aachen, North Rhine Westphalia, Germany
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2024
48AQILowest AQI recorded on
3rd Aug 2021
13AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Aachen, North Rhine Westphalia, Germany
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
11AM4th Aug
28AQI
Avg. Lowest Time
6PM4th Aug
21AQI
Night time
Avg. Highest Time
2AM5th Aug
27AQI
Avg. Lowest Time
3AM5th Aug
22AQI
In the last 24 hours,
Aachen's AQI reached its highest point of 28 at 11 AM during the Day, while the lowest point, 21, was recorded at 6 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Aachen, 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 2025215 AMAQI
6th Jul 2025216 AMAQI
6th Jul 2025217 AMAQI
6th Jul 2025228 AMAQI
6th Jul 2025229 AMAQI
6th Jul 20252010 AMAQI
6th Jul 20251911 AMAQI
6th Jul 20252012 PMAQI
6th Jul 2025201 PMAQI
6th Jul 2025222 PMAQI
6th Jul 2025213 PMAQI
6th Jul 2025214 PMAQI
6th Jul 2025215 PMAQI
6th Jul 2025216 PMAQI
6th Jul 2025217 PMAQI
6th Jul 2025208 PMAQI
6th Jul 2025219 PMAQI
6th Jul 20252110 PMAQI
6th Jul 20252211 PMAQI
7th Jul 20252212 AMAQI
7th Jul 2025221 AMAQI
7th Jul 2025182 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025184 AMAQI
14°C13/16°C
7th Jul 2025175 AMAQI
7th Jul 2025186 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025208 AMAQI
7th Jul 2025209 AMAQI
7th Jul 20252110 AMAQI
7th Jul 20252111 AMAQI
7th Jul 20252112 PMAQI
7th Jul 2025201 PMAQI
7th Jul 2025202 PMAQI
7th Jul 2025193 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025185 PMAQI
7th Jul 2025196 PMAQI
7th Jul 2025187 PMAQI
7th Jul 2025198 PMAQI
7th Jul 2025199 PMAQI
7th Jul 20252010 PMAQI
7th Jul 20252011 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025191 AMAQI
8th Jul 2025202 AMAQI
8th Jul 2025183 AMAQI
8th Jul 2025174 AMAQI
15°C10/18°C
8th Jul 2025185 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025207 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025209 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252112 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025202 PMAQI
8th Jul 2025203 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025195 PMAQI
8th Jul 2025196 PMAQI
8th Jul 2025207 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20252010 PMAQI
8th Jul 20251911 PMAQI
9th Jul 20251912 AMAQI
9th Jul 2025201 AMAQI
9th Jul 2025202 AMAQI
9th Jul 2025193 AMAQI
9th Jul 2025224 AMAQI
13°C8/20°C
9th Jul 2025225 AMAQI
9th Jul 2025216 AMAQI
9th Jul 2025217 AMAQI
9th Jul 2025228 AMAQI
9th Jul 2025229 AMAQI
9th Jul 20252410 AMAQI
9th Jul 20252411 AMAQI
9th Jul 20252412 PMAQI
9th Jul 2025231 PMAQI
9th Jul 2025222 PMAQI
9th Jul 2025223 PMAQI
9th Jul 2025224 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025216 PMAQI
9th Jul 2025227 PMAQI
9th Jul 2025218 PMAQI
9th Jul 2025219 PMAQI
9th Jul 20252110 PMAQI
9th Jul 20252111 PMAQI
10th Jul 20252112 AMAQI
10th Jul 2025221 AMAQI
10th Jul 2025242 AMAQI
10th Jul 2025253 AMAQI
10th Jul 2025264 AMAQI
16°C9/24°C
10th Jul 2025265 AMAQI
10th Jul 2025256 AMAQI
10th Jul 2025267 AMAQI
10th Jul 2025258 AMAQI
10th Jul 2025269 AMAQI
10th Jul 20252610 AMAQI
10th Jul 20252711 AMAQI
10th Jul 20252612 PMAQI
10th Jul 2025261 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025233 PMAQI
10th Jul 2025244 PMAQI
10th Jul 2025245 PMAQI
10th Jul 2025236 PMAQI
10th Jul 2025237 PMAQI
10th Jul 2025238 PMAQI
10th Jul 2025239 PMAQI
10th Jul 20252310 PMAQI
10th Jul 20252311 PMAQI
11th Jul 20252312 AMAQI
11th Jul 2025241 AMAQI
11th Jul 2025242 AMAQI
11th Jul 2025233 AMAQI
11th Jul 2025224 AMAQI
19°C11/26°C
11th Jul 2025235 AMAQI
11th Jul 2025236 AMAQI
11th Jul 2025247 AMAQI
11th Jul 2025258 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20252610 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025231 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025233 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025235 PMAQI
11th Jul 2025226 PMAQI
11th Jul 2025237 PMAQI
11th Jul 2025238 PMAQI
11th Jul 2025239 PMAQI
11th Jul 20252410 PMAQI
11th Jul 20252411 PMAQI
12th Jul 20252412 AMAQI
12th Jul 2025231 AMAQI
12th Jul 2025232 AMAQI
12th Jul 2025243 AMAQI
12th Jul 2025244 AMAQI
18°C12/24°C
12th Jul 2025235 AMAQI
12th Jul 2025236 AMAQI
12th Jul 2025247 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252710 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025241 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025233 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025236 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025238 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025263 AMAQI
13th Jul 2025284 AMAQI
19°C13/26°C
13th Jul 2025265 AMAQI
13th Jul 2025296 AMAQI
13th Jul 2025287 AMAQI
13th Jul 2025298 AMAQI
13th Jul 2025309 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20252912 PMAQI
13th Jul 2025271 PMAQI
13th Jul 2025272 PMAQI
13th Jul 2025273 PMAQI
13th Jul 2025274 PMAQI
13th Jul 2025275 PMAQI
13th Jul 2025266 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025268 PMAQI
13th Jul 2025279 PMAQI
13th Jul 20252710 PMAQI
13th Jul 20252711 PMAQI
14th Jul 20252712 AMAQI
14th Jul 2025271 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025294 AMAQI
20°C13/27°C
14th Jul 2025315 AMAQI
14th Jul 2025306 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025308 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20252911 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025296 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025309 PMAQI
14th Jul 20253010 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025301 AMAQI
15th Jul 2025292 AMAQI
15th Jul 2025283 AMAQI
15th Jul 2025284 AMAQI
19°C15/24°C
15th Jul 2025265 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025267 AMAQI
15th Jul 2025258 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025269 PMAQI
15th Jul 20252710 PMAQI
15th Jul 20252711 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025271 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025214 AMAQI
19°C13/24°C
16th Jul 2025225 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025247 AMAQI
16th Jul 2025248 AMAQI
16th Jul 2025249 AMAQI
16th Jul 20252310 AMAQI
16th Jul 20252411 AMAQI
16th Jul 20252412 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025238 PMAQI
16th Jul 2025239 PMAQI
16th Jul 20252310 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252212 AMAQI
17th Jul 2025241 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025224 AMAQI
16°C12/20°C
17th Jul 2025215 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025237 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025225 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252210 PMAQI
17th Jul 20252311 PMAQI
18th Jul 20252312 AMAQI
18th Jul 2025231 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025234 AMAQI
18°C11/26°C
18th Jul 2025235 AMAQI
18th Jul 2025236 AMAQI
18th Jul 2025247 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025236 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252311 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025231 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025253 AMAQI
19th Jul 2025274 AMAQI
21°C14/27°C
19th Jul 2025285 AMAQI
19th Jul 2025276 AMAQI
19th Jul 2025277 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025273 AMAQI
20th Jul 2025274 AMAQI
23°C16/33°C
20th Jul 2025265 AMAQI
20th Jul 2025266 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025259 PMAQI
20th Jul 20252710 PMAQI
20th Jul 20252711 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025212 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025194 AMAQI
20°C15/28°C
21st Jul 2025175 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025187 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025171 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025199 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025182 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025164 AMAQI
18°C14/24°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251611 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025151 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251710 PMAQI
22nd Jul 20251711 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025172 AMAQI
23rd Jul 2025173 AMAQI
23rd Jul 2025164 AMAQI
17°C12/21°C
23rd Jul 2025155 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025161 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025168 PMAQI
23rd Jul 2025179 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251712 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025182 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025174 AMAQI
18°C12/24°C
24th Jul 2025195 AMAQI
24th Jul 2025196 AMAQI
24th Jul 2025197 AMAQI
24th Jul 2025208 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025219 PMAQI
24th Jul 20252110 PMAQI
24th Jul 20252111 PMAQI
25th Jul 20252112 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025294 AMAQI
18°C12/24°C
25th Jul 2025305 AMAQI
25th Jul 2025296 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20252710 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025282 AMAQI
26th Jul 2025293 AMAQI
26th Jul 2025304 AMAQI
19°C13/26°C
26th Jul 2025295 AMAQI
26th Jul 2025296 AMAQI
26th Jul 2025297 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025298 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025354 AMAQI
19°C14/26°C
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025318 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025274 AMAQI
17°C13/19°C
28th Jul 2025255 AMAQI
28th Jul 2025246 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
16°C12/21°C
29th Jul 2025245 AMAQI
29th Jul 2025266 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025262 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025254 PMAQI
29th Jul 2025255 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
16°C11/21°C
30th Jul 2025265 AMAQI
30th Jul 2025276 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025279 PMAQI
30th Jul 20252810 PMAQI
30th Jul 20252811 PMAQI
31st Jul 20252812 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025283 AMAQI
31st Jul 2025264 AMAQI
16°C10/23°C
31st Jul 2025265 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025258 AMAQI
31st Jul 2025259 AMAQI
31st Jul 20252510 AMAQI
31st Jul 20252511 AMAQI
31st Jul 20252612 PMAQI
31st Jul 2025251 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025239 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025204 AMAQI
17°C11/22°C
1st Aug 2025245 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025258 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252311 AMAQI
1st Aug 20252512 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025197 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025222 AMAQI
2nd Aug 2025233 AMAQI
2nd Aug 2025204 AMAQI
16°C11/21°C
2nd Aug 2025205 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025217 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025189 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20252111 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025212 AMAQI
3rd Aug 2025193 AMAQI
3rd Aug 2025194 AMAQI
14°C10/18°C
3rd Aug 2025205 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025198 AMAQI
3rd Aug 2025199 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20251912 PMAQI
3rd Aug 2025191 PMAQI
3rd Aug 2025192 PMAQI
3rd Aug 2025193 PMAQI
3rd Aug 2025204 PMAQI
3rd Aug 2025195 PMAQI
3rd Aug 2025206 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025208 PMAQI
3rd Aug 2025219 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252212 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025212 AMAQI
4th Aug 2025203 AMAQI
4th Aug 2025194 AMAQI
17°C11/23°C
4th Aug 2025225 AMAQI
4th Aug 2025216 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025222 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025216 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252312 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025272 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025234 AMAQI
20°C15/26°C
5th Aug 2025195 AMAQI
5 AM5th Aug 2025216 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025229 AMAQI
5th Aug 20252210 AMAQI
5th Aug 20252211 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
24AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
24AQI
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. 24), while the lowest AQI was between 5 AM to 9 PM (Avg. 24).
Night time
Avg. Highest Time
12 AM - 11 PM
24AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
24AQI
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. 24), while the lowest AQI was between 12 AM to 11 PM (Avg. 24).
2025 Days Vs Air Quality
Aachen, North Rhine Westphalia, Germany
2025
77%
167
23%
49
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
167 DaysModerate
49 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% 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
Aachen, 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
31AQI
31AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
29AQI
29AQI
4th January 2025
35AQI
35AQI
5th January 2025
28AQI
28AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
22AQI
22AQI
9th January 2025
22AQI
22AQI
10th January 2025
29AQI
29AQI
11th January 2025
45AQI
45AQI
12th January 2025
55AQI
55AQI
13th January 2025
53AQI
53AQI
14th January 2025
54AQI
54AQI
15th January 2025
58AQI
58AQI
16th January 2025
50AQI
50AQI
17th January 2025
52AQI
52AQI
18th January 2025
56AQI
56AQI
19th January 2025
74AQI
74AQI
20th January 2025
65AQI
65AQI
21st January 2025
67AQI
67AQI
22nd January 2025
60AQI
60AQI
23rd January 2025
50AQI
50AQI
24th January 2025
37AQI
37AQI
25th January 2025
27AQI
27AQI
26th January 2025
26AQI
26AQI
27th January 2025
25AQI
25AQI
28th January 2025
26AQI
26AQI
29th January 2025
24AQI
24AQI
30th January 2025
22AQI
22AQI
31st January 2025
30AQI
30AQI
1st February 2025
39AQI
39AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
55AQI
55AQI
4th February 2025
62AQI
62AQI
5th February 2025
56AQI
56AQI
6th February 2025
58AQI
58AQI
7th February 2025
53AQI
53AQI
8th February 2025
59AQI
59AQI
9th February 2025
59AQI
59AQI
10th February 2025
78AQI
78AQI
11th February 2025
68AQI
68AQI
12th February 2025
55AQI
55AQI
13th February 2025
71AQI
71AQI
14th February 2025
87AQI
87AQI
15th February 2025
75AQI
75AQI
16th February 2025
58AQI
58AQI
17th February 2025
58AQI
58AQI
18th February 2025
62AQI
62AQI
19th February 2025
64AQI
64AQI
20th February 2025
65AQI
65AQI
21st February 2025
53AQI
53AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
37AQI
37AQI
24th February 2025
29AQI
29AQI
25th February 2025
28AQI
28AQI
26th February 2025
30AQI
30AQI
27th February 2025
25AQI
25AQI
28th February 2025
28AQI
28AQI
1st March 2025
42AQI
42AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
54AQI
54AQI
4th March 2025
55AQI
55AQI
5th March 2025
56AQI
56AQI
6th March 2025
54AQI
54AQI
7th March 2025
46AQI
46AQI
8th March 2025
54AQI
54AQI
9th March 2025
63AQI
63AQI
10th March 2025
68AQI
68AQI
11th March 2025
74AQI
74AQI
12th March 2025
60AQI
60AQI
13th March 2025
53AQI
53AQI
14th March 2025
48AQI
48AQI
15th March 2025
45AQI
45AQI
16th March 2025
54AQI
54AQI
17th March 2025
44AQI
44AQI
18th March 2025
33AQI
33AQI
19th March 2025
39AQI
39AQI
20th March 2025
42AQI
42AQI
21st March 2025
49AQI
49AQI
22nd March 2025
39AQI
39AQI
23rd March 2025
26AQI
26AQI
24th March 2025
32AQI
32AQI
25th March 2025
71AQI
71AQI
26th March 2025
66AQI
66AQI
27th March 2025
55AQI
55AQI
28th March 2025
59AQI
59AQI
29th March 2025
53AQI
53AQI
30th March 2025
42AQI
42AQI
31st March 2025
35AQI
35AQI
1st April 2025
35AQI
35AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
38AQI
38AQI
4th April 2025
40AQI
40AQI
5th April 2025
44AQI
44AQI
6th April 2025
31AQI
31AQI
7th April 2025
24AQI
24AQI
8th April 2025
26AQI
26AQI
9th April 2025
38AQI
38AQI
10th April 2025
41AQI
41AQI
11th April 2025
49AQI
49AQI
12th April 2025
48AQI
48AQI
13th April 2025
34AQI
34AQI
14th April 2025
40AQI
40AQI
15th April 2025
33AQI
33AQI
16th April 2025
25AQI
25AQI
17th April 2025
24AQI
24AQI
18th April 2025
22AQI
22AQI
19th April 2025
24AQI
24AQI
20th April 2025
32AQI
32AQI
21st April 2025
21AQI
21AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
23AQI
23AQI
24th April 2025
26AQI
26AQI
25th April 2025
44AQI
44AQI
26th April 2025
53AQI
53AQI
27th April 2025
35AQI
35AQI
28th April 2025
32AQI
32AQI
29th April 2025
39AQI
39AQI
30th April 2025
40AQI
40AQI
1st May 2025
41AQI
41AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
58AQI
58AQI
4th May 2025
45AQI
45AQI
5th May 2025
28AQI
28AQI
6th May 2025
25AQI
25AQI
7th May 2025
29AQI
29AQI
8th May 2025
29AQI
29AQI
9th May 2025
23AQI
23AQI
10th May 2025
22AQI
22AQI
11th May 2025
23AQI
23AQI
12th May 2025
21AQI
21AQI
13th May 2025
24AQI
24AQI
14th May 2025
31AQI
31AQI
15th May 2025
36AQI
36AQI
16th May 2025
28AQI
28AQI
17th May 2025
33AQI
33AQI
18th May 2025
36AQI
36AQI
19th May 2025
36AQI
36AQI
20th May 2025
29AQI
29AQI
21st May 2025
33AQI
33AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
27AQI
27AQI
24th May 2025
24AQI
24AQI
25th May 2025
21AQI
21AQI
26th May 2025
22AQI
22AQI
27th May 2025
22AQI
22AQI
28th May 2025
17AQI
17AQI
29th May 2025
21AQI
21AQI
30th May 2025
19AQI
19AQI
31st May 2025
29AQI
29AQI
1st June 2025
28AQI
28AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
31AQI
31AQI
4th June 2025
29AQI
29AQI
5th June 2025
21AQI
21AQI
6th June 2025
15AQI
15AQI
7th June 2025
15AQI
15AQI
8th June 2025
16AQI
16AQI
9th June 2025
22AQI
22AQI
10th June 2025
42AQI
42AQI
11th June 2025
41AQI
41AQI
12th June 2025
41AQI
41AQI
13th June 2025
48AQI
48AQI
14th June 2025
52AQI
52AQI
15th June 2025
44AQI
44AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
38AQI
38AQI
19th June 2025
40AQI
40AQI
20th June 2025
35AQI
35AQI
21st June 2025
32AQI
32AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
31AQI
31AQI
24th June 2025
27AQI
27AQI
25th June 2025
24AQI
24AQI
26th June 2025
24AQI
24AQI
27th June 2025
22AQI
22AQI
28th June 2025
22AQI
22AQI
29th June 2025
22AQI
22AQI
30th June 2025
23AQI
23AQI
1st July 2025
26AQI
26AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
34AQI
34AQI
4th July 2025
29AQI
29AQI
5th July 2025
25AQI
25AQI
6th July 2025
21AQI
21AQI
7th July 2025
19AQI
19AQI
8th July 2025
20AQI
20AQI
9th July 2025
21AQI
21AQI
10th July 2025
24AQI
24AQI
11th July 2025
24AQI
24AQI
12th July 2025
24AQI
24AQI
13th July 2025
27AQI
27AQI
14th July 2025
29AQI
29AQI
15th July 2025
27AQI
27AQI
16th July 2025
24AQI
24AQI
17th July 2025
23AQI
23AQI
18th July 2025
24AQI
24AQI
19th July 2025
27AQI
27AQI
20th July 2025
26AQI
26AQI
21st July 2025
20AQI
20AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
17AQI
17AQI
24th July 2025
21AQI
21AQI
25th July 2025
27AQI
27AQI
26th July 2025
29AQI
29AQI
27th July 2025
32AQI
32AQI
28th July 2025
27AQI
27AQI
29th July 2025
26AQI
26AQI
30th July 2025
27AQI
27AQI
31st July 2025
25AQI
25AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
20AQI
20AQI
4th August 2025
22AQI
22AQI
40AQI
54AQI
51AQI
34AQI
29AQI
31AQI
25AQI
21AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
21
10
9
19
14
17
29
1
30
1
29
1
31
4
167
49
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
August21AQI
202428AQI
29
2
29
31
30
31
29
1
31
31
29
1
31
28
2
26
5
355
11
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
October23AQI
202329AQI
29
2
15
13
30
1
29
1
29
2
30
31
31
30
31
29
31
345
19
Highest AQI recorded in
February42AQI
Lowest AQI recorded in
November23AQI
202232AQI
30
1
21
20
11
27
3
28
3
30
23
1
29
31
30
27
4
297
22
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
September24AQI
202126AQI
30
28
31
29
1
31
27
3
31
31
28
2
31
30
31
358
6
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
January19AQI
202025AQI
13
17
18
30
31
30
1
29
1
30
1
30
31
259
3
Highest AQI recorded in
March30AQI
Lowest AQI recorded in
October21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
25AQIAachen's annual 2025 AQI (37) shows an average percentage change of 32.7% (worsened AQI) compared to previous years: 2020 (25), 2021 (26), 2022 (32), 2023 (29), 2024 (28).
