Heer, Maastricht, Limburg, Netherlands 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
Heer, Maastricht, Limburg, Netherlands
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2025
57AQILowest AQI recorded on
31st Aug 2025
18AQISame Day Analysis (8th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 28 of Good air quality on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Heer, Maastricht, Limburg, Netherlands
AQI
Day
Night
.
5 AM8th Aug 2026
9 PM
4 AM9th Aug 2026
Day time
Avg. Highest Time
8PM8th Aug
42AQI
Avg. Lowest Time
6AM8th Aug
21AQI
Night time
Avg. Highest Time
10PM8th Aug
33AQI
Avg. Lowest Time
3AM9th Aug
21AQI
In the last 24 hours,
Heer's AQI reached its highest point of 42 at 8 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Heer, Maastricht, Limburg, Netherlands
JulAug
11th - 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 - 09th09th
Day
Night
11th Jul 2026265 AMAQI
11th Jul 2026266 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026228 AMAQI
11th Jul 2026269 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026283 AMAQI
12th Jul 2026244 AMAQI
24°C15/33°C
12th Jul 2026215 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026227 AMAQI
12th Jul 2026228 AMAQI
12th Jul 2026239 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262712 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026272 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026269 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262711 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026284 AMAQI
25°C16/33°C
13th Jul 2026265 AMAQI
13th Jul 2026246 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026248 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026301 PMAQI
13th Jul 2026342 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026304 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026258 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20262610 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262412 AMAQI
14th Jul 2026281 AMAQI
14th Jul 2026312 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026244 AMAQI
24°C14/33°C
14th Jul 2026245 AMAQI
14th Jul 2026216 AMAQI
14th Jul 2026227 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262811 AMAQI
14th Jul 20262512 PMAQI
14th Jul 2026231 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026225 PMAQI
14th Jul 2026186 PMAQI
14th Jul 2026187 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026149 PMAQI
14th Jul 20261710 PMAQI
14th Jul 20261511 PMAQI
15th Jul 20261412 AMAQI
15th Jul 2026161 AMAQI
15th Jul 2026162 AMAQI
15th Jul 2026163 AMAQI
15th Jul 2026144 AMAQI
26°C19/33°C
15th Jul 2026145 AMAQI
15th Jul 2026146 AMAQI
15th Jul 2026127 AMAQI
15th Jul 2026168 AMAQI
15th Jul 2026139 AMAQI
15th Jul 20261610 AMAQI
15th Jul 20262011 AMAQI
15th Jul 20261912 PMAQI
15th Jul 2026211 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026253 PMAQI
15th Jul 2026264 PMAQI
15th Jul 2026185 PMAQI
15th Jul 2026156 PMAQI
15th Jul 2026187 PMAQI
15th Jul 2026208 PMAQI
15th Jul 2026189 PMAQI
15th Jul 20261810 PMAQI
15th Jul 20261811 PMAQI
16th Jul 20261812 AMAQI
16th Jul 2026201 AMAQI
16th Jul 2026182 AMAQI
16th Jul 2026183 AMAQI
16th Jul 2026164 AMAQI
24°C17/31°C
16th Jul 2026155 AMAQI
16th Jul 2026186 AMAQI
16th Jul 2026167 AMAQI
16th Jul 2026188 AMAQI
16th Jul 2026209 AMAQI
16th Jul 20262010 AMAQI
16th Jul 20262311 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026282 PMAQI
16th Jul 2026313 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026226 PMAQI
16th Jul 2026217 PMAQI
16th Jul 2026208 PMAQI
16th Jul 2026209 PMAQI
16th Jul 20262310 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20262212 AMAQI
17th Jul 2026191 AMAQI
17th Jul 2026192 AMAQI
17th Jul 2026183 AMAQI
17th Jul 2026204 AMAQI
24°C16/32°C
17th Jul 2026205 AMAQI
17th Jul 2026186 AMAQI
17th Jul 2026167 AMAQI
17th Jul 2026188 AMAQI
17th Jul 2026429 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026423 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026427 PMAQI
17th Jul 2026448 PMAQI
17th Jul 2026449 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026444 AMAQI
22°C14/30°C
18th Jul 2026445 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026447 AMAQI
18th Jul 2026518 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20265110 AMAQI
18th Jul 20265111 AMAQI
18th Jul 20264912 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026494 PMAQI
18th Jul 2026515 PMAQI
18th Jul 2026516 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026538 PMAQI
18th Jul 2026519 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20264011 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026463 AMAQI
19th Jul 2026234 AMAQI
19°C12/24°C
19th Jul 2026235 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026217 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026219 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262310 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026234 AMAQI
17°C11/23°C
20th Jul 2026215 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026232 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026307 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20263211 PMAQI
21st Jul 20262312 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026233 AMAQI
21st Jul 2026214 AMAQI
16°C8/23°C
21st Jul 2026236 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026238 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20263811 AMAQI
21st Jul 20264012 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026276 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20263110 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026311 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026363 AMAQI
22nd Jul 2026254 AMAQI
18°C9/26°C
22nd Jul 2026125 AMAQI
22nd Jul 2026126 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20263310 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026211 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026314 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026316 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026218 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20262110 PMAQI
22nd Jul 20262111 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026213 AMAQI
23rd Jul 2026214 AMAQI
16°C10/24°C
23rd Jul 2026215 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026389 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20263012 PMAQI
23rd Jul 2026281 PMAQI
23rd Jul 2026142 PMAQI
23rd Jul 2026383 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026189 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20261611 PMAQI
24th Jul 20261612 AMAQI
24th Jul 2026161 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026254 AMAQI
18°C11/25°C
24th Jul 2026255 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026237 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026346 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026254 AMAQI
19°C10/27°C
25th Jul 2026255 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20263112 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026312 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026336 PMAQI
25th Jul 2026327 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026464 AMAQI
23°C15/31°C
26th Jul 2026405 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026198 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20261210 PMAQI
26th Jul 20261611 PMAQI
27th Jul 20261612 AMAQI
27th Jul 2026161 AMAQI
27th Jul 2026312 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026274 AMAQI
18°C14/22°C
27th Jul 2026275 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262710 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026169 PMAQI
27th Jul 20261210 PMAQI
27th Jul 20261211 PMAQI
28th Jul 20261212 AMAQI
28th Jul 2026161 AMAQI
28th Jul 2026162 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026254 AMAQI
19°C13/25°C
28th Jul 2026275 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026347 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263110 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026383 PMAQI
28th Jul 202684 PMAQI
28th Jul 2026185 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026109 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20261911 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026313 AMAQI
29th Jul 2026254 AMAQI
22°C14/31°C
29th Jul 2026255 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026519 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026327 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026254 AMAQI
28°C19/37°C
30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026527 AMAQI
30th Jul 2026508 AMAQI
30th Jul 2026489 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026314 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026442 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026464 AMAQI
25°C20/33°C
31st Jul 2026465 AMAQI
31st Jul 2026506 AMAQI
31st Jul 2026487 AMAQI
31st Jul 2026508 AMAQI
31st Jul 2026529 AMAQI
31st Jul 20265110 AMAQI
31st Jul 20265111 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026423 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026385 PMAQI
31st Jul 2026336 PMAQI
31st Jul 2026277 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263111 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026214 AMAQI
23°C18/31°C
1st Aug 2026235 AMAQI
1st Aug 2026196 AMAQI
1st Aug 2026197 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262111 AMAQI
1st Aug 20261612 PMAQI
1st Aug 2026161 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026183 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026219 PMAQI
1st Aug 20262110 PMAQI
1st Aug 20261811 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026311 AMAQI
2nd Aug 2026382 AMAQI
2nd Aug 2026333 AMAQI
2nd Aug 2026294 AMAQI
20°C14/27°C
2nd Aug 2026235 AMAQI
2nd Aug 2026236 AMAQI
2nd Aug 2026217 AMAQI
2nd Aug 2026218 AMAQI
2nd Aug 2026219 AMAQI
2nd Aug 20262110 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20263612 PMAQI
2nd Aug 2026271 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026274 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026239 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026214 AMAQI
24°C14/32°C
3rd Aug 2026235 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026339 AMAQI
3rd Aug 20263110 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20263112 PMAQI
3rd Aug 2026271 PMAQI
3rd Aug 2026402 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026237 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20264210 PMAQI
3rd Aug 20263811 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026361 AMAQI
4th Aug 2026442 AMAQI
4th Aug 2026443 AMAQI
4th Aug 2026484 AMAQI
27°C20/37°C
4th Aug 2026555 AMAQI
4th Aug 2026406 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026319 AMAQI
4th Aug 20263310 AMAQI
4th Aug 20263611 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026311 PMAQI
4th Aug 2026382 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262310 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026272 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026294 AMAQI
26°C19/33°C
5th Aug 2026275 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026267 PMAQI
5th Aug 2026148 PMAQI
5th Aug 2026129 PMAQI
5th Aug 20261810 PMAQI
5th Aug 20261611 PMAQI
6th Aug 20261112 AMAQI
6th Aug 2026121 AMAQI
6th Aug 2026122 AMAQI
6th Aug 2026123 AMAQI
6th Aug 2026124 AMAQI
23°C18/30°C
6th Aug 2026125 AMAQI
6th Aug 2026166 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026428 PMAQI
6th Aug 2026429 PMAQI
6th Aug 20263410 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20261212 AMAQI
7th Aug 2026181 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026294 AMAQI
19°C12/26°C
7th Aug 2026405 AMAQI
7th Aug 2026426 AMAQI
7th Aug 2026327 AMAQI
7th Aug 2026348 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20262912 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026273 PMAQI
7th Aug 2026124 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026129 PMAQI
7th Aug 20261210 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20261812 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026272 AMAQI
8th Aug 2026273 AMAQI
8th Aug 2026334 AMAQI
17°C10/25°C
8th Aug 2026215 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20263110 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026271 PMAQI
8th Aug 2026302 PMAQI
8th Aug 2026293 PMAQI
8th Aug 2026294 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026386 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026428 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20263310 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026254 AMAQI
20°C11/29°C
9th Aug 2026315 AMAQI
5 AM9th Aug 2026276 AMAQI
9th Aug 2026237 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20263311 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026291 PMAQI
1 PM9th Aug 2026212 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026314 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026276 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026259 PMAQI
9 PM9th Aug 20262510 PMAQI
9th Aug 20262311 PMAQI
1 AM
4 AM
23°C16/32°C
Day time
Avg. Highest Time
11 AM
30AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 7 AM
26AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 30), while the lowest AQI was between 5 AM to 7 AM (Avg. 26).
Night time
Avg. Highest Time
2 AM - 3 AM
28AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 28), while the lowest AQI was between 12 AM to 12 AM (Avg. 24).
2026 Days Vs Air Quality
Heer, Maastricht, Limburg, Netherlands
2026
92%
199
8%
17
0.4%
1
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
199 DaysModerate
17 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 221 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Heer, Maastricht, Limburg, Netherlands
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
40AQI (US)
40AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
37AQI (US)
37AQI (US)
5th January 2026
36AQI (US)
36AQI (US)
6th January 2026
47AQI (US)
47AQI (US)
7th January 2026
27AQI (US)
27AQI (US)
8th January 2026
32AQI (US)
32AQI (US)
9th January 2026
10AQI (US)
10AQI (US)
10th January 2026
47AQI (US)
47AQI (US)
11th January 2026
62AQI (US)
62AQI (US)
12th January 2026
15AQI (US)
15AQI (US)
13th January 2026
10AQI (US)
10AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
18AQI (US)
18AQI (US)
16th January 2026
14AQI (US)
14AQI (US)
17th January 2026
26AQI (US)
26AQI (US)
18th January 2026
50AQI (US)
50AQI (US)
19th January 2026
50AQI (US)
50AQI (US)
20th January 2026
47AQI (US)
47AQI (US)
21st January 2026
35AQI (US)
35AQI (US)
22nd January 2026
51AQI (US)
51AQI (US)
23rd January 2026
55AQI (US)
55AQI (US)
24th January 2026
52AQI (US)
52AQI (US)
25th January 2026
83AQI (US)
83AQI (US)
26th January 2026
119AQI (US)
119AQI (US)
27th January 2026
52AQI (US)
52AQI (US)
28th January 2026
38AQI (US)
38AQI (US)
29th January 2026
70AQI (US)
70AQI (US)
30th January 2026
31AQI (US)
31AQI (US)
31st January 2026
21AQI (US)
21AQI (US)
1st February 2026
21AQI (US)
21AQI (US)
2nd February 2026
15AQI (US)
15AQI (US)
3rd February 2026
38AQI (US)
38AQI (US)
4th February 2026
19AQI (US)
19AQI (US)
5th February 2026
46AQI (US)
46AQI (US)
6th February 2026
35AQI (US)
35AQI (US)
7th February 2026
20AQI (US)
20AQI (US)
8th February 2026
31AQI (US)
31AQI (US)
9th February 2026
28AQI (US)
28AQI (US)
10th February 2026
23AQI (US)
23AQI (US)
11th February 2026
15AQI (US)
15AQI (US)
12th February 2026
21AQI (US)
21AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
32AQI (US)
32AQI (US)
15th February 2026
30AQI (US)
30AQI (US)
16th February 2026
15AQI (US)
15AQI (US)
17th February 2026
28AQI (US)
28AQI (US)
18th February 2026
35AQI (US)
35AQI (US)
19th February 2026
10AQI (US)
10AQI (US)
20th February 2026
17AQI (US)
17AQI (US)
21st February 2026
30AQI (US)
30AQI (US)
22nd February 2026
16AQI (US)
16AQI (US)
23rd February 2026
19AQI (US)
19AQI (US)
24th February 2026
19AQI (US)
19AQI (US)
25th February 2026
17AQI (US)
17AQI (US)
26th February 2026
23AQI (US)
23AQI (US)
27th February 2026
24AQI (US)
24AQI (US)
28th February 2026
15AQI (US)
15AQI (US)
1st March 2026
23AQI (US)
23AQI (US)
2nd March 2026
33AQI (US)
33AQI (US)
3rd March 2026
37AQI (US)
37AQI (US)
4th March 2026
68AQI (US)
68AQI (US)
5th March 2026
46AQI (US)
46AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
82AQI (US)
82AQI (US)
8th March 2026
99AQI (US)
99AQI (US)
9th March 2026
72AQI (US)
72AQI (US)
10th March 2026
44AQI (US)
44AQI (US)
11th March 2026
16AQI (US)
16AQI (US)
12th March 2026
27AQI (US)
27AQI (US)
13th March 2026
13AQI (US)
13AQI (US)
14th March 2026
17AQI (US)
17AQI (US)
15th March 2026
18AQI (US)
18AQI (US)
16th March 2026
18AQI (US)
18AQI (US)
17th March 2026
18AQI (US)
18AQI (US)
18th March 2026
22AQI (US)
22AQI (US)
19th March 2026
58AQI (US)
58AQI (US)
20th March 2026
81AQI (US)
81AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
63AQI (US)
63AQI (US)
23rd March 2026
73AQI (US)
73AQI (US)
24th March 2026
74AQI (US)
74AQI (US)
25th March 2026
24AQI (US)
24AQI (US)
26th March 2026
11AQI (US)
11AQI (US)
27th March 2026
18AQI (US)
18AQI (US)
28th March 2026
19AQI (US)
19AQI (US)
29th March 2026
14AQI (US)
14AQI (US)
30th March 2026
16AQI (US)
16AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
25AQI (US)
25AQI (US)
2nd April 2026
22AQI (US)
22AQI (US)
3rd April 2026
21AQI (US)
21AQI (US)
4th April 2026
17AQI (US)
17AQI (US)
5th April 2026
22AQI (US)
22AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
17AQI (US)
17AQI (US)
8th April 2026
18AQI (US)
18AQI (US)
9th April 2026
22AQI (US)
22AQI (US)
10th April 2026
21AQI (US)
21AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
25AQI (US)
25AQI (US)
13th April 2026
19AQI (US)
19AQI (US)
14th April 2026
44AQI (US)
44AQI (US)
15th April 2026
34AQI (US)
34AQI (US)
16th April 2026
21AQI (US)
21AQI (US)
17th April 2026
18th April 2026
22AQI (US)
22AQI (US)
19th April 2026
22AQI (US)
22AQI (US)
20th April 2026
14AQI (US)
14AQI (US)
21st April 2026
21AQI (US)
21AQI (US)
22nd April 2026
23rd April 2026
19AQI (US)
19AQI (US)
24th April 2026
19AQI (US)
19AQI (US)
25th April 2026
24AQI (US)
24AQI (US)
26th April 2026
16AQI (US)
16AQI (US)
27th April 2026
20AQI (US)
20AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
18AQI (US)
18AQI (US)
30th April 2026
19AQI (US)
19AQI (US)
1st May 2026
21AQI (US)
21AQI (US)
2nd May 2026
21AQI (US)
21AQI (US)
3rd May 2026
21AQI (US)
21AQI (US)
4th May 2026
25AQI (US)
25AQI (US)
5th May 2026
19AQI (US)
19AQI (US)
6th May 2026
16AQI (US)
16AQI (US)
7th May 2026
16AQI (US)
16AQI (US)
8th May 2026
21AQI (US)
21AQI (US)
9th May 2026
10th May 2026
44AQI (US)
44AQI (US)
11th May 2026
15AQI (US)
15AQI (US)
12th May 2026
15AQI (US)
15AQI (US)
13th May 2026
17AQI (US)
17AQI (US)
14th May 2026
14AQI (US)
14AQI (US)
15th May 2026
20AQI (US)
20AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
36AQI (US)
36AQI (US)
18th May 2026
34AQI (US)
34AQI (US)
19th May 2026
31AQI (US)
31AQI (US)
20th May 2026
31AQI (US)
31AQI (US)
21st May 2026
29AQI (US)
29AQI (US)
22nd May 2026
35AQI (US)
35AQI (US)
23rd May 2026
35AQI (US)
35AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
38AQI (US)
38AQI (US)
26th May 2026
24AQI (US)
24AQI (US)
27th May 2026
21AQI (US)
21AQI (US)
28th May 2026
18AQI (US)
18AQI (US)
29th May 2026
27AQI (US)
27AQI (US)
30th May 2026
37AQI (US)
37AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
19AQI (US)
19AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
20AQI (US)
20AQI (US)
5th June 2026
19AQI (US)
19AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
21AQI (US)
21AQI (US)
12th June 2026
18AQI (US)
18AQI (US)
13th June 2026
21AQI (US)
21AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
21AQI (US)
21AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
14AQI (US)
14AQI (US)
18th June 2026
16AQI (US)
16AQI (US)
19th June 2026
16AQI (US)
16AQI (US)
20th June 2026
15AQI (US)
15AQI (US)
21st June 2026
14AQI (US)
14AQI (US)
22nd June 2026
17AQI (US)
17AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
34AQI (US)
34AQI (US)
26th June 2026
42AQI (US)
42AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
22AQI (US)
22AQI (US)
29th June 2026
13AQI (US)
13AQI (US)
30th June 2026
19AQI (US)
19AQI (US)
1st July 2026
18AQI (US)
18AQI (US)
2nd July 2026
14AQI (US)
14AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
12AQI (US)
12AQI (US)
5th July 2026
10AQI (US)
10AQI (US)
6th July 2026
14AQI (US)
14AQI (US)
7th July 2026
9AQI (US)
9AQI (US)
8th July 2026
19AQI (US)
19AQI (US)
9th July 2026
16AQI (US)
16AQI (US)
10th July 2026
29AQI (US)
29AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
27AQI (US)
27AQI (US)
14th July 2026
23AQI (US)
23AQI (US)
15th July 2026
18AQI (US)
18AQI (US)
16th July 2026
21AQI (US)
21AQI (US)
17th July 2026
34AQI (US)
34AQI (US)
18th July 2026
47AQI (US)
47AQI (US)
19th July 2026
24AQI (US)
24AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
27AQI (US)
27AQI (US)
22nd July 2026
26AQI (US)
26AQI (US)
23rd July 2026
26AQI (US)
26AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
28AQI (US)
28AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
24AQI (US)
24AQI (US)
29th July 2026
32AQI (US)
32AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
42AQI (US)
42AQI (US)
1st August 2026
23AQI (US)
23AQI (US)
2nd August 2026
27AQI (US)
27AQI (US)
3rd August 2026
29AQI (US)
29AQI (US)
4th August 2026
33AQI (US)
33AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
23AQI (US)
23AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
28AQI (US)
28AQI (US)
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
40AQI (US)
24AQI (US)
39AQI (US)
22AQI (US)
26AQI (US)
21AQI (US)
24AQI (US)
27AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202628AQI (US)
23
7
1
28
21
10
28
30
30
31
8
199
17
1
Highest AQI (US) recorded in
January40AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202530AQI (US)
3
30
31
29
2
30
24
7
27
3
23
8
197
20
Highest AQI (US) recorded in
December40AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
30AQI (US)Least Polluted Year Recorded
2026(Avg.)
28AQI (US)Heer's annual 2026 AQI (US) (28) shows an average percentage change of -6.6% (improved AQI (US)) compared to previous years: 2025 (30).
