Heidelberg, Baden Wurttemberg, 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
Heidelberg, Baden Wurttemberg, Germany
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Aug 2024
54AQILowest AQI recorded on
6th Aug 2021
18AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 23 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Heidelberg, Baden Wurttemberg, Germany
AQI
Day
Night
.
5 AM7th Aug 2025
9 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
7AM7th Aug
26AQI
Avg. Lowest Time
11AM7th Aug
22AQI
Night time
Avg. Highest Time
2AM8th Aug
27AQI
Avg. Lowest Time
5AM7th Aug
22AQI
In the last 24 hours,
Heidelberg's AQI reached its highest point of 27 at 2 AM during the Night, while the lowest point, 22, was recorded at 11 AM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Heidelberg, Baden Wurttemberg, Germany
JulAug
09th - 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 - 08th08th
Day
Night
9th Jul 2025235 AMAQI
9th Jul 2025236 AMAQI
9th Jul 2025237 AMAQI
9th Jul 2025238 AMAQI
9th Jul 2025249 AMAQI
9th Jul 20252310 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20252212 PMAQI
9th Jul 2025231 PMAQI
9th Jul 2025242 PMAQI
9th Jul 2025233 PMAQI
9th Jul 2025224 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025226 PMAQI
9th Jul 2025227 PMAQI
9th Jul 2025228 PMAQI
9th Jul 2025229 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252311 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025241 AMAQI
10th Jul 2025242 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025254 AMAQI
16°C11/22°C
10th Jul 2025265 AMAQI
10th Jul 2025276 AMAQI
10th Jul 2025307 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20252811 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025281 PMAQI
10th Jul 2025272 PMAQI
10th Jul 2025263 PMAQI
10th Jul 2025274 PMAQI
10th Jul 2025265 PMAQI
10th Jul 2025246 PMAQI
10th Jul 2025267 PMAQI
10th Jul 2025268 PMAQI
10th Jul 2025269 PMAQI
10th Jul 20252610 PMAQI
10th Jul 20252611 PMAQI
11th Jul 20252712 AMAQI
11th Jul 2025261 AMAQI
11th Jul 2025242 AMAQI
11th Jul 2025243 AMAQI
11th Jul 2025244 AMAQI
19°C12/26°C
11th Jul 2025245 AMAQI
11th Jul 2025266 AMAQI
11th Jul 2025267 AMAQI
11th Jul 2025288 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20253010 AMAQI
11th Jul 20253111 AMAQI
11th Jul 20252912 PMAQI
11th Jul 2025271 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025293 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025277 PMAQI
11th Jul 2025268 PMAQI
11th Jul 2025279 PMAQI
11th Jul 20252710 PMAQI
11th Jul 20252811 PMAQI
12th Jul 20252812 AMAQI
12th Jul 2025281 AMAQI
12th Jul 2025272 AMAQI
12th Jul 2025253 AMAQI
12th Jul 2025254 AMAQI
19°C14/24°C
12th Jul 2025265 AMAQI
12th Jul 2025266 AMAQI
12th Jul 2025297 AMAQI
12th Jul 2025268 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025231 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025233 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025246 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025238 PMAQI
12th Jul 2025249 PMAQI
12th Jul 20252610 PMAQI
12th Jul 20252611 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025281 AMAQI
13th Jul 2025292 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025324 AMAQI
20°C14/25°C
13th Jul 2025295 AMAQI
13th Jul 2025346 AMAQI
13th Jul 2025337 AMAQI
13th Jul 2025388 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253111 AMAQI
13th Jul 20253112 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025322 PMAQI
13th Jul 2025323 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025299 PMAQI
13th Jul 20253110 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025311 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025324 AMAQI
23°C15/30°C
14th Jul 2025345 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025377 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20253410 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20253312 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025339 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253311 PMAQI
15th Jul 20253312 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025342 AMAQI
15th Jul 2025333 AMAQI
15th Jul 2025344 AMAQI
20°C17/24°C
15th Jul 2025355 AMAQI
15th Jul 2025346 AMAQI
15th Jul 2025337 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20253310 AMAQI
15th Jul 20253411 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025352 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025359 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025342 AMAQI
16th Jul 2025343 AMAQI
16th Jul 2025334 AMAQI
19°C16/23°C
16th Jul 2025315 AMAQI
16th Jul 2025316 AMAQI
16th Jul 2025327 AMAQI
16th Jul 2025318 AMAQI
16th Jul 2025319 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025313 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025297 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253211 PMAQI
17th Jul 20253112 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025234 AMAQI
16°C13/19°C
17th Jul 2025225 AMAQI
17th Jul 2025236 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252610 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025252 AMAQI
18th Jul 2025253 AMAQI
18th Jul 2025254 AMAQI
19°C12/26°C
18th Jul 2025265 AMAQI
18th Jul 2025266 AMAQI
18th Jul 2025297 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025322 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025299 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252812 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025344 AMAQI
21°C14/26°C
19th Jul 2025365 AMAQI
19th Jul 2025406 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253512 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025294 AMAQI
22°C16/33°C
20th Jul 2025285 AMAQI
20th Jul 2025286 AMAQI
20th Jul 2025307 AMAQI
20th Jul 2025298 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025312 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025311 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025244 AMAQI
22°C17/30°C
21st Jul 2025215 AMAQI
21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025261 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025184 AMAQI
19°C16/25°C
22nd Jul 2025195 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251611 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025172 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025164 AMAQI
17°C14/20°C
23rd Jul 2025165 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025181 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025179 PMAQI
23rd Jul 20251710 PMAQI
23rd Jul 20251811 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025181 AMAQI
24th Jul 2025182 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025184 AMAQI
19°C13/24°C
24th Jul 2025205 AMAQI
24th Jul 2025216 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025208 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252310 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025213 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025229 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025211 AMAQI
25th Jul 2025232 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025254 AMAQI
19°C15/24°C
25th Jul 2025255 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025267 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025277 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252710 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025283 AMAQI
26th Jul 2025294 AMAQI
19°C14/26°C
26th Jul 2025285 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025307 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025319 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025314 AMAQI
19°C15/24°C
27th Jul 2025325 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253310 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025331 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025284 AMAQI
18°C16/23°C
28th Jul 2025255 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025294 AMAQI
17°C14/22°C
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025294 PMAQI
29th Jul 2025295 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025274 AMAQI
17°C12/23°C
30th Jul 2025275 AMAQI
30th Jul 2025286 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025234 AMAQI
17°C14/22°C
31st Jul 2025235 AMAQI
31st Jul 2025246 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025258 AMAQI
31st Jul 2025259 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252411 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025238 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252312 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025194 AMAQI
18°C13/23°C
1st Aug 2025235 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025218 AMAQI
1st Aug 2025219 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025219 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025183 AMAQI
2nd Aug 2025184 AMAQI
18°C15/21°C
2nd Aug 2025215 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025272 AMAQI
3rd Aug 2025183 AMAQI
3rd Aug 2025224 AMAQI
17°C13/22°C
3rd Aug 2025185 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025237 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025219 AMAQI
3rd Aug 20252210 AMAQI
3rd Aug 20252011 AMAQI
3rd Aug 20252812 PMAQI
3rd Aug 2025201 PMAQI
3rd Aug 2025192 PMAQI
3rd Aug 2025203 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025216 PMAQI
3rd Aug 2025197 PMAQI
3rd Aug 2025198 PMAQI
3rd Aug 2025209 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252212 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025332 AMAQI
4th Aug 2025203 AMAQI
4th Aug 2025204 AMAQI
15°C12/19°C
4th Aug 2025195 AMAQI
4th Aug 2025206 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025218 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025252 PMAQI
4th Aug 2025233 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025236 PMAQI
4th Aug 2025237 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252312 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025232 AMAQI
5th Aug 2025233 AMAQI
5th Aug 2025264 AMAQI
17°C13/24°C
5th Aug 2025225 AMAQI
5th Aug 2025236 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025248 AMAQI
5th Aug 2025259 AMAQI
5th Aug 20252510 AMAQI
5th Aug 20252611 AMAQI
5th Aug 20252612 PMAQI
5th Aug 2025261 PMAQI
5th Aug 2025242 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025244 PMAQI
5th Aug 2025245 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025237 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025241 AMAQI
6th Aug 2025222 AMAQI
6th Aug 2025233 AMAQI
6th Aug 2025224 AMAQI
19°C14/24°C
6th Aug 2025225 AMAQI
6th Aug 2025246 AMAQI
6th Aug 2025237 AMAQI
6th Aug 2025238 AMAQI
6th Aug 2025239 AMAQI
6th Aug 20252810 AMAQI
6th Aug 20252311 AMAQI
6th Aug 20252012 PMAQI
6th Aug 2025201 PMAQI
6th Aug 2025262 PMAQI
6th Aug 2025233 PMAQI
6th Aug 2025234 PMAQI
6th Aug 2025235 PMAQI
6th Aug 2025226 PMAQI
6th Aug 2025237 PMAQI
6th Aug 2025228 PMAQI
6th Aug 2025239 PMAQI
6th Aug 20252410 PMAQI
6th Aug 20252311 PMAQI
7th Aug 20252412 AMAQI
7th Aug 2025231 AMAQI
7th Aug 2025232 AMAQI
7th Aug 2025223 AMAQI
7th Aug 2025204 AMAQI
17°C11/23°C
7th Aug 2025225 AMAQI
7th Aug 2025246 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025238 AMAQI
7th Aug 2025239 AMAQI
7th Aug 20252310 AMAQI
7th Aug 20252211 AMAQI
7th Aug 20252312 PMAQI
7th Aug 2025231 PMAQI
7th Aug 2025242 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025234 PMAQI
7th Aug 2025245 PMAQI
7th Aug 2025246 PMAQI
7th Aug 2025247 PMAQI
7th Aug 2025248 PMAQI
7th Aug 2025249 PMAQI
7th Aug 20252510 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252412 AMAQI
8th Aug 2025241 AMAQI
8th Aug 2025272 AMAQI
8th Aug 2025263 AMAQI
8th Aug 2025274 AMAQI
19°C13/27°C
8th Aug 2025285 AMAQI
5 AM8th Aug 2025306 AMAQI
8th Aug 2025307 AMAQI
8th Aug 2025318 AMAQI
8th Aug 2025289 AMAQI
8th Aug 20253010 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
26AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
26AQI
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. 26), while the lowest AQI was between 5 AM to 9 PM (Avg. 26).
Night time
Avg. Highest Time
10 PM - 11 PM
27AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 4 AM
26AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 27), while the lowest AQI was between 12 AM to 4 AM (Avg. 26).
2025 Days Vs Air Quality
Heidelberg, Baden Wurttemberg, Germany
2025
73%
159
26%
57
1%
3
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
159 DaysModerate
57 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 220 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
Heidelberg, Baden Wurttemberg, 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
75AQI
75AQI
2nd January 2025
59AQI
59AQI
3rd January 2025
58AQI
58AQI
4th January 2025
59AQI
59AQI
5th January 2025
60AQI
60AQI
6th January 2025
56AQI
56AQI
7th January 2025
54AQI
54AQI
8th January 2025
24AQI
24AQI
9th January 2025
23AQI
23AQI
10th January 2025
24AQI
24AQI
11th January 2025
49AQI
49AQI
12th January 2025
57AQI
57AQI
13th January 2025
47AQI
47AQI
14th January 2025
56AQI
56AQI
15th January 2025
80AQI
80AQI
16th January 2025
79AQI
79AQI
17th January 2025
55AQI
55AQI
18th January 2025
60AQI
60AQI
19th January 2025
79AQI
79AQI
20th January 2025
96AQI
96AQI
21st January 2025
95AQI
95AQI
22nd January 2025
85AQI
85AQI
23rd January 2025
66AQI
66AQI
24th January 2025
30AQI
30AQI
25th January 2025
27AQI
27AQI
26th January 2025
27AQI
27AQI
27th January 2025
27AQI
27AQI
28th January 2025
22AQI
22AQI
29th January 2025
23AQI
23AQI
30th January 2025
25AQI
25AQI
31st January 2025
26AQI
26AQI
1st February 2025
36AQI
36AQI
2nd February 2025
42AQI
42AQI
3rd February 2025
65AQI
65AQI
4th February 2025
78AQI
78AQI
5th February 2025
85AQI
85AQI
6th February 2025
81AQI
81AQI
7th February 2025
50AQI
50AQI
8th February 2025
76AQI
76AQI
9th February 2025
101AQI
101AQI
10th February 2025
130AQI
130AQI
11th February 2025
117AQI
117AQI
12th February 2025
72AQI
72AQI
13th February 2025
66AQI
66AQI
14th February 2025
90AQI
90AQI
15th February 2025
81AQI
81AQI
16th February 2025
63AQI
63AQI
17th February 2025
56AQI
56AQI
18th February 2025
61AQI
61AQI
19th February 2025
69AQI
69AQI
20th February 2025
79AQI
79AQI
21st February 2025
81AQI
81AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
40AQI
40AQI
24th February 2025
32AQI
32AQI
25th February 2025
38AQI
38AQI
26th February 2025
27AQI
27AQI
27th February 2025
28AQI
28AQI
28th February 2025
29AQI
29AQI
1st March 2025
41AQI
41AQI
2nd March 2025
33AQI
33AQI
3rd March 2025
46AQI
46AQI
4th March 2025
55AQI
55AQI
5th March 2025
63AQI
63AQI
6th March 2025
64AQI
64AQI
7th March 2025
61AQI
61AQI
8th March 2025
69AQI
69AQI
9th March 2025
86AQI
86AQI
10th March 2025
77AQI
77AQI
11th March 2025
55AQI
55AQI
12th March 2025
84AQI
84AQI
13th March 2025
64AQI
64AQI
14th March 2025
57AQI
57AQI
15th March 2025
57AQI
57AQI
16th March 2025
57AQI
57AQI
17th March 2025
50AQI
50AQI
18th March 2025
26AQI
26AQI
19th March 2025
38AQI
38AQI
20th March 2025
55AQI
55AQI
21st March 2025
51AQI
51AQI
22nd March 2025
36AQI
36AQI
23rd March 2025
47AQI
47AQI
24th March 2025
32AQI
32AQI
25th March 2025
50AQI
50AQI
26th March 2025
79AQI
79AQI
27th March 2025
42AQI
42AQI
28th March 2025
46AQI
46AQI
29th March 2025
62AQI
62AQI
30th March 2025
44AQI
44AQI
31st March 2025
27AQI
27AQI
1st April 2025
23AQI
23AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
45AQI
45AQI
4th April 2025
43AQI
43AQI
5th April 2025
40AQI
40AQI
6th April 2025
22AQI
22AQI
7th April 2025
17AQI
17AQI
8th April 2025
18AQI
18AQI
9th April 2025
22AQI
22AQI
10th April 2025
39AQI
39AQI
11th April 2025
57AQI
57AQI
12th April 2025
48AQI
48AQI
13th April 2025
37AQI
37AQI
14th April 2025
37AQI
37AQI
15th April 2025
35AQI
35AQI
16th April 2025
33AQI
33AQI
17th April 2025
29AQI
29AQI
18th April 2025
37AQI
37AQI
19th April 2025
31AQI
31AQI
20th April 2025
28AQI
28AQI
21st April 2025
19AQI
19AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
26AQI
26AQI
24th April 2025
21AQI
21AQI
25th April 2025
30AQI
30AQI
26th April 2025
36AQI
36AQI
27th April 2025
25AQI
25AQI
28th April 2025
23AQI
23AQI
29th April 2025
29AQI
29AQI
30th April 2025
36AQI
36AQI
1st May 2025
41AQI
41AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
43AQI
43AQI
4th May 2025
37AQI
37AQI
5th May 2025
22AQI
22AQI
6th May 2025
20AQI
20AQI
7th May 2025
21AQI
21AQI
8th May 2025
24AQI
24AQI
9th May 2025
22AQI
22AQI
10th May 2025
23AQI
23AQI
11th May 2025
25AQI
25AQI
12th May 2025
20AQI
20AQI
13th May 2025
25AQI
25AQI
14th May 2025
36AQI
36AQI
15th May 2025
37AQI
37AQI
16th May 2025
23AQI
23AQI
17th May 2025
28AQI
28AQI
18th May 2025
41AQI
41AQI
19th May 2025
35AQI
35AQI
20th May 2025
25AQI
25AQI
21st May 2025
29AQI
29AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
26AQI
26AQI
24th May 2025
21AQI
21AQI
25th May 2025
24AQI
24AQI
26th May 2025
21AQI
21AQI
27th May 2025
24AQI
24AQI
28th May 2025
20AQI
20AQI
29th May 2025
21AQI
21AQI
30th May 2025
25AQI
25AQI
31st May 2025
29AQI
29AQI
1st June 2025
32AQI
32AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
41AQI
41AQI
4th June 2025
33AQI
33AQI
5th June 2025
22AQI
22AQI
6th June 2025
18AQI
18AQI
7th June 2025
16AQI
16AQI
8th June 2025
18AQI
18AQI
9th June 2025
22AQI
22AQI
10th June 2025
50AQI
50AQI
11th June 2025
51AQI
51AQI
12th June 2025
47AQI
47AQI
13th June 2025
53AQI
53AQI
14th June 2025
55AQI
55AQI
15th June 2025
54AQI
54AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
41AQI
41AQI
19th June 2025
51AQI
51AQI
20th June 2025
40AQI
40AQI
21st June 2025
32AQI
32AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
46AQI
46AQI
24th June 2025
34AQI
34AQI
25th June 2025
30AQI
30AQI
26th June 2025
35AQI
35AQI
27th June 2025
30AQI
30AQI
28th June 2025
23AQI
23AQI
29th June 2025
25AQI
25AQI
30th June 2025
27AQI
27AQI
1st July 2025
29AQI
29AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
43AQI
43AQI
4th July 2025
37AQI
37AQI
5th July 2025
30AQI
30AQI
6th July 2025
25AQI
25AQI
7th July 2025
22AQI
22AQI
8th July 2025
20AQI
20AQI
9th July 2025
23AQI
23AQI
10th July 2025
26AQI
26AQI
11th July 2025
27AQI
27AQI
12th July 2025
25AQI
25AQI
13th July 2025
31AQI
31AQI
14th July 2025
33AQI
33AQI
15th July 2025
34AQI
34AQI
16th July 2025
31AQI
31AQI
17th July 2025
26AQI
26AQI
18th July 2025
29AQI
29AQI
19th July 2025
34AQI
34AQI
20th July 2025
30AQI
30AQI
21st July 2025
24AQI
24AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
17AQI
17AQI
24th July 2025
21AQI
21AQI
25th July 2025
26AQI
26AQI
26th July 2025
29AQI
29AQI
27th July 2025
32AQI
32AQI
28th July 2025
27AQI
27AQI
29th July 2025
30AQI
30AQI
30th July 2025
26AQI
26AQI
31st July 2025
23AQI
23AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
21AQI
21AQI
4th August 2025
22AQI
22AQI
5th August 2025
24AQI
24AQI
6th August 2025
23AQI
23AQI
7th August 2025
23AQI
23AQI
52AQI
66AQI
53AQI
31AQI
28AQI
35AQI
28AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
13
18
9
16
3
14
17
29
1
31
25
5
31
7
159
57
3
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
August22AQI
202436AQI
18
12
1
27
2
24
7
29
1
29
2
26
4
31
28
3
22
8
27
4
17
13
20
11
298
67
1
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
April29AQI
202335AQI
25
6
16
12
24
7
27
1
28
3
28
2
30
1
30
1
27
3
30
1
29
23
8
317
45
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
November24AQI
202239AQI
19
12
21
4
27
25
5
26
5
26
4
22
1
3
29
28
3
27
3
14
17
244
77
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
September26AQI
202139AQI
21
9
14
13
1
19
12
23
7
29
2
18
12
29
2
30
1
29
1
22
9
18
12
25
6
277
86
1
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
August29AQI
202038AQI
5
8
10
11
18
30
31
26
5
27
3
29
2
13
17
18
13
207
59
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
October29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2023(Avg.)
35AQIHeidelberg's annual 2025 AQI (41) shows an average percentage change of 9.7% (worsened AQI) compared to previous years: 2020 (38), 2021 (39), 2022 (39), 2023 (35), 2024 (36).
