Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2025
64AQI
Lowest AQI recorded on
31st Aug 2025
17AQI

Same Day Analysis (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.

Day & Night AQI Trend: 1st Aug - 2nd Aug 2026

Heidelberg, Baden Wurttemberg, Germany

AQI
Day
Night
.

5 AM1st Aug 2026

9 PM

4 AM2nd Aug 2026

Day time
Avg. Highest Time
7AM1st Aug

60AQI

Avg. Lowest Time
9PM1st Aug

40AQI

Night time
Avg. Highest Time
10PM1st Aug

40AQI

Avg. Lowest Time
4AM2nd Aug

31AQI

In the last 24 hours,

Heidelberg's AQI reached its highest point of 60 at 7 AM during the Day, while the lowest point, 31, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Heidelberg, Baden Wurttemberg, Germany

JulAug
04th - 05th05th - 06th06th - 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
Day
Night
4th Jul 2026165 AMAQI
4th Jul 2026186 AMAQI
4th Jul 2026207 AMAQI
4th Jul 2026258 AMAQI
4th Jul 2026189 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262211 AMAQI
4th Jul 20262612 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026252 PMAQI
4th Jul 2026203 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026215 PMAQI
4th Jul 2026256 PMAQI
4th Jul 2026227 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262510 PMAQI
4th Jul 20262411 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026221 AMAQI
5th Jul 2026192 AMAQI
5th Jul 2026183 AMAQI
5th Jul 2026194 AMAQI

21°C13/28°C

5th Jul 2026205 AMAQI
5th Jul 2026206 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026258 AMAQI
5th Jul 2026249 AMAQI
5th Jul 20262610 AMAQI
5th Jul 20262311 AMAQI
5th Jul 20262412 PMAQI
5th Jul 2026231 PMAQI
5th Jul 2026242 PMAQI
5th Jul 2026223 PMAQI
5th Jul 2026244 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026246 PMAQI
5th Jul 2026247 PMAQI
5th Jul 2026258 PMAQI
5th Jul 2026209 PMAQI
5th Jul 20262410 PMAQI
5th Jul 20262311 PMAQI
6th Jul 20262212 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026202 AMAQI
6th Jul 2026203 AMAQI
6th Jul 2026194 AMAQI

21°C17/27°C

6th Jul 2026185 AMAQI
6th Jul 2026186 AMAQI
6th Jul 2026207 AMAQI
6th Jul 2026248 AMAQI
6th Jul 2026249 AMAQI
6th Jul 20262010 AMAQI
6th Jul 20262011 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026231 PMAQI
6th Jul 2026262 PMAQI
6th Jul 2026253 PMAQI
6th Jul 2026284 PMAQI
6th Jul 2026285 PMAQI
6th Jul 2026286 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026298 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262612 AMAQI
7th Jul 2026271 AMAQI
7th Jul 2026242 AMAQI
7th Jul 2026243 AMAQI
7th Jul 2026224 AMAQI

22°C15/30°C

7th Jul 2026215 AMAQI
7th Jul 2026226 AMAQI
7th Jul 2026237 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20261210 AMAQI
7th Jul 20261811 AMAQI
7th Jul 20262812 PMAQI
7th Jul 2026251 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026234 AMAQI

25°C17/33°C

8th Jul 2026195 AMAQI
8th Jul 2026146 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262310 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026191 PMAQI
8th Jul 2026212 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026307 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026279 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026251 AMAQI
9th Jul 2026222 AMAQI
9th Jul 2026233 AMAQI
9th Jul 2026224 AMAQI

22°C18/25°C

9th Jul 2026225 AMAQI
9th Jul 2026226 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026251 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026284 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026278 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262511 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026293 AMAQI
10th Jul 2026264 AMAQI

22°C15/30°C

10th Jul 2026265 AMAQI
10th Jul 2026226 AMAQI
10th Jul 2026217 AMAQI
10th Jul 2026228 AMAQI
10th Jul 2026249 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262711 AMAQI
10th Jul 20262912 PMAQI
10th Jul 2026301 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026293 PMAQI
10th Jul 2026304 PMAQI
10th Jul 2026315 PMAQI
10th Jul 2026326 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026168 PMAQI
10th Jul 202649 PMAQI
10th Jul 2026410 PMAQI
10th Jul 2026811 PMAQI
11th Jul 2026812 AMAQI
11th Jul 2026211 AMAQI
11th Jul 2026202 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026124 AMAQI

24°C16/31°C

11th Jul 2026125 AMAQI
11th Jul 2026226 AMAQI
11th Jul 2026227 AMAQI
11th Jul 2026208 AMAQI
11th Jul 2026229 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026211 PMAQI
11th Jul 2026172 PMAQI
11th Jul 2026283 PMAQI
11th Jul 2026224 PMAQI
11th Jul 2026275 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026237 PMAQI
11th Jul 2026308 PMAQI
11th Jul 202699 PMAQI
11th Jul 2026810 PMAQI
11th Jul 2026411 PMAQI
12th Jul 2026812 AMAQI
12th Jul 2026171 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026203 AMAQI
12th Jul 202684 AMAQI

25°C17/32°C

12th Jul 202685 AMAQI
12th Jul 2026226 AMAQI
12th Jul 2026167 AMAQI
12th Jul 2026128 AMAQI
12th Jul 2026159 AMAQI
12th Jul 20262510 AMAQI
12th Jul 20261811 AMAQI
12th Jul 20261712 PMAQI
12th Jul 2026271 PMAQI
12th Jul 2026232 PMAQI
12th Jul 2026213 PMAQI
12th Jul 2026204 PMAQI
12th Jul 2026195 PMAQI
12th Jul 2026186 PMAQI
12th Jul 202667 PMAQI
12th Jul 2026108 PMAQI
12th Jul 2026169 PMAQI
12th Jul 2026810 PMAQI
12th Jul 20261011 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026181 AMAQI
13th Jul 2026182 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026224 AMAQI

25°C16/31°C

13th Jul 202645 AMAQI
13th Jul 2026206 AMAQI
13th Jul 2026207 AMAQI
13th Jul 2026198 AMAQI
13th Jul 2026229 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20261411 AMAQI
13th Jul 20261712 PMAQI
13th Jul 2026141 PMAQI
13th Jul 2026172 PMAQI
13th Jul 2026163 PMAQI
13th Jul 2026194 PMAQI
13th Jul 2026195 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026279 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026261 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026244 AMAQI

26°C18/33°C

14th Jul 2026245 AMAQI
14th Jul 2026206 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026218 AMAQI
14th Jul 2026249 AMAQI
14th Jul 20262910 AMAQI
14th Jul 20263011 AMAQI
14th Jul 20263112 PMAQI
14th Jul 2026551 PMAQI
14th Jul 2026522 PMAQI
14th Jul 2026563 PMAQI
14th Jul 2026624 PMAQI
14th Jul 2026545 PMAQI
14th Jul 2026566 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20265110 PMAQI
14th Jul 20265311 PMAQI
15th Jul 20264812 AMAQI
15th Jul 2026481 AMAQI
15th Jul 2026482 AMAQI
15th Jul 2026423 AMAQI
15th Jul 2026524 AMAQI

25°C19/34°C

15th Jul 2026485 AMAQI
15th Jul 2026466 AMAQI
15th Jul 2026537 AMAQI
15th Jul 2026558 AMAQI
15th Jul 2026449 AMAQI
15th Jul 20265410 AMAQI
15th Jul 20265011 AMAQI
15th Jul 20263812 PMAQI
15th Jul 2026401 PMAQI
15th Jul 2026362 PMAQI
15th Jul 2026333 PMAQI
15th Jul 2026294 PMAQI
15th Jul 2026295 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262811 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026292 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026264 AMAQI

23°C17/30°C

16th Jul 2026275 AMAQI
16th Jul 2026246 AMAQI
16th Jul 2026247 AMAQI
16th Jul 2026248 AMAQI
16th Jul 2026249 AMAQI
16th Jul 20262610 AMAQI
16th Jul 20262711 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026281 PMAQI
16th Jul 2026262 PMAQI
16th Jul 2026263 PMAQI
16th Jul 2026284 PMAQI
16th Jul 2026295 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026264 AMAQI

24°C17/32°C

17th Jul 2026265 AMAQI
17th Jul 2026246 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026238 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20263110 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20264012 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026382 PMAQI
17th Jul 2026363 PMAQI
17th Jul 2026344 PMAQI
17th Jul 2026345 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026349 PMAQI
17th Jul 20262510 PMAQI
17th Jul 20262911 PMAQI
18th Jul 20262912 AMAQI
18th Jul 2026251 AMAQI
18th Jul 2026322 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026384 AMAQI

21°C17/29°C

18th Jul 2026345 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026447 AMAQI
18th Jul 2026368 AMAQI
18th Jul 2026389 AMAQI
18th Jul 20264010 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20265012 PMAQI
18th Jul 2026511 PMAQI
18th Jul 2026492 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026405 PMAQI
18th Jul 2026406 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026369 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20264011 PMAQI
19th Jul 20264412 AMAQI
19th Jul 2026441 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026514 AMAQI

21°C16/28°C

19th Jul 2026505 AMAQI
19th Jul 2026546 AMAQI
19th Jul 2026547 AMAQI
19th Jul 2026528 AMAQI
19th Jul 2026519 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20263811 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026331 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262110 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026213 AMAQI
20th Jul 2026234 AMAQI

19°C14/24°C

20th Jul 2026255 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262111 AMAQI
20th Jul 20262112 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026294 AMAQI

17°C11/23°C

21st Jul 2026296 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20261812 PMAQI
21st Jul 2026251 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026277 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026334 AMAQI

18°C11/25°C

22nd Jul 2026385 AMAQI
22nd Jul 2026386 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026211 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026316 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026388 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20263410 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026334 AMAQI

19°C13/25°C

23rd Jul 2026315 AMAQI
23rd Jul 2026316 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026338 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263110 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263312 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026463 AMAQI
24th Jul 2026484 AMAQI

18°C11/24°C

24th Jul 2026295 AMAQI
24th Jul 2026316 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20263311 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026298 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026404 AMAQI

20°C12/28°C

25th Jul 2026425 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026339 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026331 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026461 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026404 AMAQI

24°C16/33°C

26th Jul 2026295 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026509 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026402 PMAQI
26th Jul 2026363 PMAQI
26th Jul 2026334 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026314 AMAQI

23°C18/30°C

27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026402 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026424 AMAQI

21°C16/26°C

28th Jul 2026365 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262710 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026463 AMAQI
29th Jul 2026464 AMAQI

23°C15/30°C

29th Jul 2026425 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026386 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263610 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026464 AMAQI

27°C18/36°C

30th Jul 2026465 AMAQI
30th Jul 2026466 AMAQI
30th Jul 2026507 AMAQI
30th Jul 2026508 AMAQI
30th Jul 2026509 AMAQI
30th Jul 20265110 AMAQI
30th Jul 20264911 AMAQI
30th Jul 20265112 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026442 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026524 PMAQI
30th Jul 2026575 PMAQI
30th Jul 2026596 PMAQI
30th Jul 2026677 PMAQI
30th Jul 2026658 PMAQI
30th Jul 2026599 PMAQI
30th Jul 20266010 PMAQI
30th Jul 20265811 PMAQI
31st Jul 20266012 AMAQI
31st Jul 2026601 AMAQI
31st Jul 2026592 AMAQI
31st Jul 2026583 AMAQI
31st Jul 2026604 AMAQI

27°C21/39°C

31st Jul 2026605 AMAQI
31st Jul 2026606 AMAQI
31st Jul 2026647 AMAQI
31st Jul 2026698 AMAQI
31st Jul 2026689 AMAQI
31st Jul 20266610 AMAQI
31st Jul 20267011 AMAQI
31st Jul 20266612 PMAQI
31st Jul 2026671 PMAQI
31st Jul 2026652 PMAQI
31st Jul 2026643 PMAQI
31st Jul 2026684 PMAQI
31st Jul 2026665 PMAQI
31st Jul 2026626 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026648 PMAQI
31st Jul 2026659 PMAQI
31st Jul 20266210 PMAQI
31st Jul 20266211 PMAQI
1st Aug 20266312 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026602 AMAQI
1st Aug 2026623 AMAQI
1st Aug 2026604 AMAQI

24°C19/35°C

1st Aug 2026585 AMAQI
1st Aug 2026596 AMAQI
1st Aug 2026607 AMAQI
1st Aug 2026598 AMAQI
1st Aug 2026579 AMAQI
1st Aug 20265810 AMAQI
1st Aug 20265511 AMAQI
1st Aug 20265812 PMAQI
1st Aug 2026571 PMAQI
1st Aug 2026552 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026524 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026506 PMAQI
1st Aug 2026537 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026409 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20263312 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026314 AMAQI

22°C18/27°C

2nd Aug 2026295 AMAQI
5 AM
2nd Aug 2026276 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026231 PMAQI
1 PM
2nd Aug 2026212 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026214 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026218 PMAQI
2nd Aug 2026179 PMAQI
9 PM
2nd Aug 20261710 PMAQI
2nd Aug 20261211 PMAQI
1 AM
4 AM

24°C18/30°C

Day time
Avg. Highest Time
10 AM

32AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 32), while the lowest AQI was between 9 PM to 9 PM (Avg. 28).
Night time
Avg. Highest Time
1 AM - 4 AM

33AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 PM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 33), while the lowest AQI was between 10 PM to 10 PM (Avg. 29).

2026 Days Vs Air Quality

Heidelberg, Baden Wurttemberg, Germany

2026

78%

163

20%

43

2%

4

Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)

Good
163 Days
Moderate
43 Days
Poor
4 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 78%

Health Risk Level:

Low

In 2026, 78% of 214 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 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
66AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
26AQI (US)
4th January 2026
38AQI (US)
5th January 2026
58AQI (US)
6th January 2026
82AQI (US)
7th January 2026
73AQI (US)
8th January 2026
38AQI (US)
9th January 2026
17AQI (US)
10th January 2026
21AQI (US)
11th January 2026
44AQI (US)
12th January 2026
46AQI (US)
13th January 2026
22AQI (US)
14th January 2026
26AQI (US)
15th January 2026
35AQI (US)
16th January 2026
32AQI (US)
17th January 2026
52AQI (US)
18th January 2026
61AQI (US)
19th January 2026
77AQI (US)
20th January 2026
86AQI (US)
21st January 2026
91AQI (US)
22nd January 2026
97AQI (US)
23rd January 2026
132AQI (US)
24th January 2026
122AQI (US)
25th January 2026
129AQI (US)
26th January 2026
106AQI (US)
27th January 2026
40AQI (US)
28th January 2026
31AQI (US)
29th January 2026
72AQI (US)
30th January 2026
62AQI (US)
31st January 2026
56AQI (US)
1st February 2026
67AQI (US)
2nd February 2026
48AQI (US)
3rd February 2026
77AQI (US)
4th February 2026
70AQI (US)
5th February 2026
69AQI (US)
6th February 2026
82AQI (US)
7th February 2026
57AQI (US)
8th February 2026
35AQI (US)
9th February 2026
42AQI (US)
10th February 2026
54AQI (US)
11th February 2026
14AQI (US)
12th February 2026
15AQI (US)
13th February 2026
37AQI (US)
14th February 2026
40AQI (US)
15th February 2026
23AQI (US)
16th February 2026
20AQI (US)
17th February 2026
19AQI (US)
18th February 2026
40AQI (US)
19th February 2026
33AQI (US)
20th February 2026
68AQI (US)
21st February 2026
42AQI (US)
22nd February 2026
12AQI (US)
23rd February 2026
23AQI (US)
24th February 2026
27AQI (US)
25th February 2026
27AQI (US)
26th February 2026
42AQI (US)
27th February 2026
45AQI (US)
28th February 2026
37AQI (US)
1st March 2026
21AQI (US)
2nd March 2026
40AQI (US)
3rd March 2026
60AQI (US)
4th March 2026
66AQI (US)
5th March 2026
66AQI (US)
6th March 2026
73AQI (US)
7th March 2026
87AQI (US)
8th March 2026
81AQI (US)
9th March 2026
95AQI (US)
10th March 2026
75AQI (US)
11th March 2026
30AQI (US)
12th March 2026
20AQI (US)
13th March 2026
24AQI (US)
14th March 2026
32AQI (US)
15th March 2026
49AQI (US)
16th March 2026
37AQI (US)
17th March 2026
16AQI (US)
18th March 2026
45AQI (US)
19th March 2026
77AQI (US)
20th March 2026
71AQI (US)
21st March 2026
96AQI (US)
22nd March 2026
68AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
69AQI (US)
25th March 2026
55AQI (US)
26th March 2026
13AQI (US)
27th March 2026
20AQI (US)
28th March 2026
35AQI (US)
29th March 2026
35AQI (US)
30th March 2026
19AQI (US)
31st March 2026
22AQI (US)
1st April 2026
31AQI (US)
2nd April 2026
29AQI (US)
3rd April 2026
25AQI (US)
4th April 2026
10AQI (US)
5th April 2026
16AQI (US)
6th April 2026
20AQI (US)
7th April 2026
26AQI (US)
8th April 2026
21AQI (US)
9th April 2026
20AQI (US)
10th April 2026
29AQI (US)
11th April 2026
34AQI (US)
12th April 2026
20AQI (US)
13th April 2026
28AQI (US)
14th April 2026
44AQI (US)
15th April 2026
56AQI (US)
16th April 2026
33AQI (US)
17th April 2026
18th April 2026
32AQI (US)
19th April 2026
28AQI (US)
20th April 2026
15AQI (US)
21st April 2026
20AQI (US)
22nd April 2026
23rd April 2026
33AQI (US)
24th April 2026
20AQI (US)
25th April 2026
23AQI (US)
26th April 2026
14AQI (US)
27th April 2026
22AQI (US)
28th April 2026
19AQI (US)
29th April 2026
16AQI (US)
30th April 2026
19AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
21AQI (US)
3rd May 2026
20AQI (US)
4th May 2026
19AQI (US)
5th May 2026
29AQI (US)
6th May 2026
26AQI (US)
7th May 2026
28AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
24AQI (US)
11th May 2026
22AQI (US)
12th May 2026
19AQI (US)
13th May 2026
20AQI (US)
14th May 2026
21AQI (US)
15th May 2026
27AQI (US)
16th May 2026
36AQI (US)
17th May 2026
38AQI (US)
18th May 2026
33AQI (US)
19th May 2026
31AQI (US)
20th May 2026
32AQI (US)
21st May 2026
33AQI (US)
22nd May 2026
33AQI (US)
23rd May 2026
37AQI (US)
24th May 2026
51AQI (US)
25th May 2026
43AQI (US)
26th May 2026
33AQI (US)
27th May 2026
26AQI (US)
28th May 2026
25AQI (US)
29th May 2026
21AQI (US)
30th May 2026
24AQI (US)
31st May 2026
26AQI (US)
1st June 2026
25AQI (US)
2nd June 2026
21AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
17AQI (US)
5th June 2026
14AQI (US)
6th June 2026
21AQI (US)
7th June 2026
19AQI (US)
8th June 2026
22AQI (US)
9th June 2026
22AQI (US)
10th June 2026
21AQI (US)
11th June 2026
20AQI (US)
12th June 2026
21AQI (US)
13th June 2026
20AQI (US)
14th June 2026
21AQI (US)
15th June 2026
21AQI (US)
16th June 2026
24AQI (US)
17th June 2026
26AQI (US)
18th June 2026
26AQI (US)
19th June 2026
24AQI (US)
20th June 2026
24AQI (US)
21st June 2026
33AQI (US)
22nd June 2026
56AQI (US)
23rd June 2026
51AQI (US)
24th June 2026
35AQI (US)
25th June 2026
40AQI (US)
26th June 2026
30AQI (US)
27th June 2026
32AQI (US)
28th June 2026
26AQI (US)
29th June 2026
28AQI (US)
30th June 2026
20AQI (US)
1st July 2026
24AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
23AQI (US)
4th July 2026
22AQI (US)
5th July 2026
23AQI (US)
6th July 2026
24AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
24AQI (US)
11th July 2026
20AQI (US)
12th July 2026
16AQI (US)
13th July 2026
21AQI (US)
14th July 2026
36AQI (US)
15th July 2026
40AQI (US)
16th July 2026
27AQI (US)
17th July 2026
32AQI (US)
18th July 2026
40AQI (US)
19th July 2026
38AQI (US)
20th July 2026
23AQI (US)
21st July 2026
25AQI (US)
22nd July 2026
30AQI (US)
23rd July 2026
29AQI (US)
24th July 2026
32AQI (US)
25th July 2026
34AQI (US)
26th July 2026
35AQI (US)
27th July 2026
26AQI (US)
28th July 2026
30AQI (US)
29th July 2026
38AQI (US)
30th July 2026
52AQI (US)
31st July 2026
64AQI (US)
1st August 2026
55AQI (US)
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

60AQI (US)

42AQI (US)

50AQI (US)

25AQI (US)

28AQI (US)

26AQI (US)

30AQI (US)

55AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202638AQI (US)

14
13
4
20
8
16
15
27
1
29
1
28
2
29
2
1
163
43
4

Highest AQI (US) recorded in

January

60AQI (US)

Lowest AQI (US) recorded in

April

25AQI (US)

202540AQI (US)

13
18
9
16
3
14
17
29
1
31
25
5
31
27
4
28
2
21
10
16
14
10
21
254
108
3

Highest AQI (US) recorded in

February

66AQI (US)

Lowest AQI (US) recorded in

September

24AQI (US)

202436AQI (US)

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 (US) recorded in

January

50AQI (US)

Lowest AQI (US) recorded in

April

29AQI (US)

202335AQI (US)

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 (US) recorded in

February

46AQI (US)

Lowest AQI (US) recorded in

November

24AQI (US)

202239AQI (US)

18
12
21
4
27
25
5
26
5
26
4
22
1
3
29
28
3
27
3
14
17
243
77

Highest AQI (US) recorded in

March

63AQI (US)

Lowest AQI (US) recorded in

September

26AQI (US)

202139AQI (US)

21
8
14
13
1
19
12
23
7
29
2
18
12
29
2
30
1
29
1
22
9
18
12
25
6
277
85
1

Highest AQI (US) recorded in

February

50AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202038AQI (US)

5
8
10
11
18
30
31
26
5
27
3
29
2
13
17
18
13
207
59

Highest AQI (US) recorded in

November

51AQI (US)

Lowest AQI (US) recorded in

October

29AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI (US)
Least Polluted Year Recorded
2023(Avg.)
35AQI (US)

Heidelberg's annual 2026 AQI (US) (38) shows an average percentage change of 0.6% (worsened AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (39), 2023 (35), 2024 (36), 2025 (40).