Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Tome, Biobio, Chile 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+

October Air Quality Analysis

Tome, Biobio, Chile

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Oct 2024
78AQI
Lowest AQI recorded on
28th Oct 2022
15AQI

Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 21 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026

Tome, Biobio, Chile

AQI
Day
Night
.

7 AM2nd Oct 2026

7 PM

6 AM3rd Oct 2026

Day time
Avg. Highest Time
5PM2nd Oct

26AQI

Avg. Lowest Time
9AM2nd Oct

8AQI

Night time
Avg. Highest Time
10PM2nd Oct

28AQI

Avg. Lowest Time
6AM3rd Oct

21AQI

In the last 24 hours,

Tome's AQI reached its highest point of 28 at 10 PM during the Night, while the lowest point, 8, was recorded at 9 AM during the Day between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Tome, Biobio, Chile

SepOct
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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Sep 2026317 AMAQI
4th Sep 202688 AMAQI
4th Sep 202689 AMAQI
4th Sep 20261610 AMAQI
4th Sep 20261911 AMAQI
4th Sep 20261412 PMAQI
4th Sep 2026121 PMAQI
4th Sep 2026142 PMAQI
4th Sep 2026133 PMAQI
4th Sep 2026204 PMAQI
4th Sep 2026225 PMAQI
4th Sep 2026246 PMAQI
4th Sep 2026327 PMAQI
4th Sep 2026388 PMAQI
4th Sep 2026749 PMAQI
4th Sep 20266010 PMAQI
4th Sep 20266011 PMAQI
5th Sep 20266412 AMAQI
5th Sep 2026661 AMAQI
5th Sep 2026782 AMAQI
5th Sep 2026823 AMAQI
5th Sep 2026764 AMAQI
5th Sep 2026365 AMAQI
5th Sep 2026186 AMAQI

10°C7/12°C

5th Sep 2026147 AMAQI
5th Sep 2026108 AMAQI
5th Sep 202689 AMAQI
5th Sep 20261410 AMAQI
5th Sep 20261411 AMAQI
5th Sep 20261612 PMAQI
5th Sep 2026161 PMAQI
5th Sep 2026122 PMAQI
5th Sep 2026113 PMAQI
5th Sep 2026114 PMAQI
5th Sep 2026345 PMAQI
5th Sep 2026196 PMAQI
5th Sep 2026297 PMAQI
5th Sep 2026428 PMAQI
5th Sep 2026209 PMAQI
5th Sep 20262010 PMAQI
5th Sep 20262411 PMAQI
6th Sep 2026231 AMAQI
6th Sep 2026282 AMAQI
6th Sep 2026283 AMAQI
6th Sep 2026274 AMAQI
6th Sep 2026275 AMAQI
6th Sep 2026446 AMAQI

10°C7/15°C

6th Sep 2026267 AMAQI
6th Sep 2026188 AMAQI
6th Sep 2026109 AMAQI
6th Sep 2026810 AMAQI
6th Sep 20261011 AMAQI
6th Sep 20261712 PMAQI
6th Sep 2026181 PMAQI
6th Sep 2026262 PMAQI
6th Sep 2026143 PMAQI
6th Sep 2026134 PMAQI
6th Sep 2026105 PMAQI
6th Sep 2026116 PMAQI
6th Sep 2026127 PMAQI
6th Sep 202688 PMAQI
6th Sep 202689 PMAQI
6th Sep 20264010 PMAQI
6th Sep 20261911 PMAQI
7th Sep 20262312 AMAQI
7th Sep 2026381 AMAQI
7th Sep 2026732 AMAQI
7th Sep 2026753 AMAQI
7th Sep 2026734 AMAQI
7th Sep 2026485 AMAQI
7th Sep 2026146 AMAQI

9°C4/15°C

7th Sep 2026147 AMAQI
7th Sep 202698 AMAQI
7th Sep 2026259 AMAQI
7th Sep 20262610 AMAQI
7th Sep 20261811 AMAQI
7th Sep 20261912 PMAQI
7th Sep 2026251 PMAQI
7th Sep 2026232 PMAQI
7th Sep 2026223 PMAQI
7th Sep 2026224 PMAQI
7th Sep 2026235 PMAQI
7th Sep 2026186 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026258 PMAQI
7th Sep 2026259 PMAQI
7th Sep 20261810 PMAQI
7th Sep 20264211 PMAQI
8th Sep 20264012 AMAQI
8th Sep 2026831 AMAQI
8th Sep 20261112 AMAQI
8th Sep 2026803 AMAQI
8th Sep 2026824 AMAQI
8th Sep 2026475 AMAQI
8th Sep 2026426 AMAQI

10°C8/12°C

8th Sep 2026507 AMAQI
8th Sep 2026448 AMAQI
8th Sep 2026529 AMAQI
8th Sep 20265310 AMAQI
8th Sep 20268011 AMAQI
8th Sep 20266912 PMAQI
8th Sep 2026601 PMAQI
8th Sep 2026442 PMAQI
8th Sep 2026423 PMAQI
8th Sep 2026664 PMAQI
8th Sep 2026335 PMAQI
8th Sep 2026226 PMAQI
8th Sep 2026267 PMAQI
8th Sep 2026328 PMAQI
8th Sep 2026279 PMAQI
8th Sep 20264710 PMAQI
8th Sep 20266811 PMAQI
9th Sep 20268012 AMAQI
9th Sep 2026861 AMAQI
9th Sep 2026902 AMAQI
9th Sep 20261023 AMAQI
9th Sep 2026634 AMAQI
9th Sep 2026405 AMAQI
9th Sep 2026386 AMAQI

10°C8/12°C

9th Sep 2026177 AMAQI
9th Sep 2026168 AMAQI
9th Sep 2026509 AMAQI
9th Sep 20265810 AMAQI
9th Sep 20265411 AMAQI
9th Sep 20264812 PMAQI
9th Sep 2026391 PMAQI
9th Sep 2026362 PMAQI
9th Sep 2026293 PMAQI
9th Sep 2026274 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026367 PMAQI
9th Sep 2026168 PMAQI
9th Sep 2026389 PMAQI
9th Sep 20265410 PMAQI
9th Sep 20264811 PMAQI
10th Sep 20265412 AMAQI
10th Sep 2026741 AMAQI
10th Sep 2026762 AMAQI
10th Sep 20261223 AMAQI
10th Sep 2026944 AMAQI
10th Sep 2026785 AMAQI
10th Sep 2026386 AMAQI

10°C9/12°C

10th Sep 2026407 AMAQI
10th Sep 2026308 AMAQI
10th Sep 2026349 AMAQI
10th Sep 20265310 AMAQI
10th Sep 20266911 AMAQI
10th Sep 20263212 PMAQI
10th Sep 2026321 PMAQI
10th Sep 2026282 PMAQI
10th Sep 2026323 PMAQI
10th Sep 2026564 PMAQI
10th Sep 2026695 PMAQI
10th Sep 2026166 PMAQI
10th Sep 2026157 PMAQI
10th Sep 2026268 PMAQI
10th Sep 2026399 PMAQI
10th Sep 20266210 PMAQI
10th Sep 20265011 PMAQI
11th Sep 20264412 AMAQI
11th Sep 2026271 AMAQI
11th Sep 2026292 AMAQI
11th Sep 2026443 AMAQI
11th Sep 2026464 AMAQI
11th Sep 2026335 AMAQI
11th Sep 2026386 AMAQI

11°C9/12°C

11th Sep 2026287 AMAQI
11th Sep 2026148 AMAQI
11th Sep 2026109 AMAQI
11th Sep 20261210 AMAQI
11th Sep 20261411 AMAQI
11th Sep 20263612 PMAQI
11th Sep 2026271 PMAQI
11th Sep 2026222 PMAQI
11th Sep 2026203 PMAQI
11th Sep 2026224 PMAQI
11th Sep 2026195 PMAQI
11th Sep 2026186 PMAQI
11th Sep 2026177 PMAQI
11th Sep 2026198 PMAQI
11th Sep 2026389 PMAQI
11th Sep 20265710 PMAQI
11th Sep 20266711 PMAQI
12th Sep 202610612 AMAQI
12th Sep 2026661 AMAQI
12th Sep 2026342 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026124 AMAQI
12th Sep 2026125 AMAQI
12th Sep 202666 AMAQI

10°C9/12°C

12th Sep 2026147 AMAQI
12th Sep 2026238 AMAQI
12th Sep 2026259 AMAQI
12th Sep 20262710 AMAQI
12th Sep 20261811 AMAQI
12th Sep 20261212 PMAQI
12th Sep 2026121 PMAQI
12th Sep 202682 PMAQI
12th Sep 2026103 PMAQI
12th Sep 202684 PMAQI
12th Sep 202686 PMAQI
12th Sep 2026337 PMAQI
12th Sep 2026298 PMAQI
12th Sep 2026429 PMAQI
12th Sep 20265810 PMAQI
12th Sep 20267211 PMAQI
13th Sep 20264512 AMAQI
13th Sep 2026421 AMAQI
13th Sep 2026172 AMAQI
13th Sep 2026143 AMAQI
13th Sep 2026144 AMAQI
13th Sep 202695 AMAQI
13th Sep 202686 AMAQI

10°C6/15°C

13th Sep 2026167 AMAQI
13th Sep 2026278 AMAQI
13th Sep 2026279 AMAQI
13th Sep 20263110 AMAQI
13th Sep 20262811 AMAQI
13th Sep 20261712 PMAQI
13th Sep 2026211 PMAQI
13th Sep 2026182 PMAQI
13th Sep 2026443 PMAQI
13th Sep 2026274 PMAQI
13th Sep 2026255 PMAQI
13th Sep 2026316 PMAQI
13th Sep 2026297 PMAQI
13th Sep 2026298 PMAQI
13th Sep 2026319 PMAQI
13th Sep 20264910 PMAQI
13th Sep 20266011 PMAQI
14th Sep 20265712 AMAQI
14th Sep 2026581 AMAQI
14th Sep 2026622 AMAQI
14th Sep 2026863 AMAQI
14th Sep 2026714 AMAQI
14th Sep 2026665 AMAQI
14th Sep 2026686 AMAQI

10°C7/12°C

14th Sep 2026567 AMAQI
14th Sep 2026368 AMAQI
14th Sep 2026229 AMAQI
14th Sep 20263410 AMAQI
14th Sep 20264611 AMAQI
14th Sep 20262612 PMAQI
14th Sep 2026211 PMAQI
14th Sep 2026252 PMAQI
14th Sep 2026283 PMAQI
14th Sep 2026264 PMAQI
14th Sep 2026365 PMAQI
14th Sep 2026506 PMAQI
14th Sep 2026407 PMAQI
14th Sep 2026408 PMAQI
14th Sep 2026549 PMAQI
14th Sep 20266610 PMAQI
14th Sep 20267311 PMAQI
15th Sep 20267212 AMAQI
15th Sep 2026871 AMAQI
15th Sep 2026492 AMAQI
15th Sep 2026293 AMAQI
15th Sep 2026234 AMAQI
15th Sep 2026195 AMAQI
15th Sep 202696 AMAQI

13°C10/17°C

15th Sep 2026567 AMAQI
15th Sep 2026298 AMAQI
15th Sep 2026249 AMAQI
15th Sep 20261010 AMAQI
15th Sep 20266611 AMAQI
15th Sep 20262512 PMAQI
15th Sep 2026301 PMAQI
15th Sep 2026252 PMAQI
15th Sep 2026423 PMAQI
15th Sep 2026584 PMAQI
15th Sep 2026425 PMAQI
15th Sep 2026306 PMAQI
15th Sep 2026297 PMAQI
15th Sep 2026358 PMAQI
15th Sep 2026349 PMAQI
15th Sep 20262810 PMAQI
15th Sep 20262711 PMAQI
16th Sep 20262712 AMAQI
16th Sep 2026521 AMAQI
16th Sep 2026522 AMAQI
16th Sep 2026353 AMAQI
16th Sep 2026234 AMAQI
16th Sep 2026335 AMAQI
16th Sep 2026366 AMAQI

13°C11/17°C

16th Sep 2026187 AMAQI
16th Sep 2026168 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20263310 AMAQI
16th Sep 20263811 AMAQI
16th Sep 20263812 PMAQI
16th Sep 2026491 PMAQI
16th Sep 2026522 PMAQI
16th Sep 2026523 PMAQI
16th Sep 2026254 PMAQI
16th Sep 2026235 PMAQI
16th Sep 2026366 PMAQI
16th Sep 2026187 PMAQI
16th Sep 2026208 PMAQI
16th Sep 2026259 PMAQI
16th Sep 20262910 PMAQI
16th Sep 20265311 PMAQI
17th Sep 20266312 AMAQI
17th Sep 2026701 AMAQI
17th Sep 2026742 AMAQI
17th Sep 2026623 AMAQI
17th Sep 2026204 AMAQI
17th Sep 2026195 AMAQI
17th Sep 2026146 AMAQI

12°C11/13°C

17th Sep 2026147 AMAQI
17th Sep 2026128 AMAQI
17th Sep 2026389 AMAQI
17th Sep 20261410 AMAQI
17th Sep 20262911 AMAQI
17th Sep 20262312 PMAQI
17th Sep 2026291 PMAQI
17th Sep 2026302 PMAQI
17th Sep 2026283 PMAQI
17th Sep 2026384 PMAQI
17th Sep 2026385 PMAQI
17th Sep 2026406 PMAQI
17th Sep 2026257 PMAQI
17th Sep 2026328 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20263910 PMAQI
17th Sep 20264311 PMAQI
18th Sep 20268312 AMAQI
18th Sep 20261141 AMAQI
18th Sep 2026702 AMAQI
18th Sep 2026603 AMAQI
18th Sep 2026584 AMAQI
18th Sep 2026565 AMAQI
18th Sep 2026486 AMAQI

13°C11/14°C

18th Sep 2026297 AMAQI
18th Sep 2026198 AMAQI
18th Sep 2026209 AMAQI
18th Sep 20261810 AMAQI
18th Sep 20263411 AMAQI
18th Sep 20265012 PMAQI
18th Sep 2026601 PMAQI
18th Sep 2026562 PMAQI
18th Sep 2026483 PMAQI
18th Sep 2026604 PMAQI
18th Sep 2026565 PMAQI
18th Sep 2026406 PMAQI
18th Sep 2026367 PMAQI
18th Sep 2026428 PMAQI
18th Sep 2026549 PMAQI
18th Sep 20268810 PMAQI
18th Sep 20268811 PMAQI
19th Sep 20267612 AMAQI
19th Sep 2026561 AMAQI
19th Sep 2026232 AMAQI
19th Sep 2026203 AMAQI
19th Sep 2026184 AMAQI
19th Sep 2026235 AMAQI
19th Sep 2026366 AMAQI

13°C11/15°C

19th Sep 2026317 AMAQI
19th Sep 2026238 AMAQI
19th Sep 2026219 AMAQI
19th Sep 20261510 AMAQI
19th Sep 20261411 AMAQI
19th Sep 20262512 PMAQI
19th Sep 2026261 PMAQI
19th Sep 2026212 PMAQI
19th Sep 2026203 PMAQI
19th Sep 2026164 PMAQI
19th Sep 2026155 PMAQI
19th Sep 2026186 PMAQI
19th Sep 2026237 PMAQI
19th Sep 2026198 PMAQI
19th Sep 2026229 PMAQI
19th Sep 20262010 PMAQI
19th Sep 20262911 PMAQI
20th Sep 20261212 AMAQI
20th Sep 2026121 AMAQI
20th Sep 2026192 AMAQI
20th Sep 2026213 AMAQI
20th Sep 2026224 AMAQI
20th Sep 2026145 AMAQI
20th Sep 2026186 AMAQI

13°C11/15°C

20th Sep 2026177 AMAQI
20th Sep 2026208 AMAQI
20th Sep 2026249 AMAQI
20th Sep 20262810 AMAQI
20th Sep 20263211 AMAQI
20th Sep 20261912 PMAQI
20th Sep 2026201 PMAQI
20th Sep 2026242 PMAQI
20th Sep 2026273 PMAQI
20th Sep 2026294 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026276 PMAQI
20th Sep 2026347 PMAQI
20th Sep 2026408 PMAQI
20th Sep 2026349 PMAQI
20th Sep 20264010 PMAQI
20th Sep 20266211 PMAQI
21st Sep 20264912 AMAQI
21st Sep 2026461 AMAQI
21st Sep 2026512 AMAQI
21st Sep 2026623 AMAQI
21st Sep 2026584 AMAQI
21st Sep 2026585 AMAQI
21st Sep 2026566 AMAQI

12°C11/13°C

21st Sep 2026487 AMAQI
21st Sep 2026408 AMAQI
21st Sep 2026409 AMAQI
21st Sep 20264010 AMAQI
21st Sep 20265511 AMAQI
21st Sep 20262912 PMAQI
21st Sep 2026271 PMAQI
21st Sep 2026272 PMAQI
21st Sep 2026213 PMAQI
21st Sep 2026274 PMAQI
21st Sep 2026175 PMAQI
21st Sep 2026346 PMAQI
21st Sep 2026277 PMAQI
21st Sep 2026278 PMAQI
21st Sep 2026259 PMAQI
21st Sep 20262510 PMAQI
21st Sep 20264211 PMAQI
22nd Sep 20265012 AMAQI
22nd Sep 2026421 AMAQI
22nd Sep 2026642 AMAQI
22nd Sep 2026123 AMAQI
22nd Sep 2026174 AMAQI
22nd Sep 2026195 AMAQI
22nd Sep 2026196 AMAQI

10°C8/12°C

22nd Sep 202687 AMAQI
22nd Sep 2026258 AMAQI
22nd Sep 2026179 AMAQI
22nd Sep 20263210 AMAQI
22nd Sep 20264211 AMAQI
22nd Sep 20264612 PMAQI
22nd Sep 2026421 PMAQI
22nd Sep 2026342 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026294 PMAQI
22nd Sep 2026345 PMAQI
22nd Sep 2026216 PMAQI
22nd Sep 2026217 PMAQI
22nd Sep 2026228 PMAQI
22nd Sep 2026249 PMAQI
22nd Sep 20262310 PMAQI
22nd Sep 20264011 PMAQI
23rd Sep 20266412 AMAQI
23rd Sep 2026731 AMAQI
23rd Sep 2026652 AMAQI
23rd Sep 2026633 AMAQI
23rd Sep 2026874 AMAQI
23rd Sep 2026235 AMAQI
23rd Sep 2026146 AMAQI

11°C10/12°C

23rd Sep 2026107 AMAQI
23rd Sep 2026168 AMAQI
23rd Sep 2026279 AMAQI
23rd Sep 20262310 AMAQI
23rd Sep 2026811 AMAQI
23rd Sep 20261612 PMAQI
23rd Sep 2026121 PMAQI
23rd Sep 2026292 PMAQI
23rd Sep 2026403 PMAQI
23rd Sep 2026124 PMAQI
23rd Sep 2026145 PMAQI
23rd Sep 2026126 PMAQI
23rd Sep 2026107 PMAQI
23rd Sep 2026128 PMAQI
23rd Sep 2026129 PMAQI
23rd Sep 20262110 PMAQI
23rd Sep 20261411 PMAQI
24th Sep 20261212 AMAQI
24th Sep 2026121 AMAQI
24th Sep 2026112 AMAQI
24th Sep 202683 AMAQI
24th Sep 2026294 AMAQI
24th Sep 2026155 AMAQI
24th Sep 2026206 AMAQI

12°C11/13°C

24th Sep 2026207 AMAQI
24th Sep 2026168 AMAQI
24th Sep 202689 AMAQI
24th Sep 20262210 AMAQI
24th Sep 20261411 AMAQI
24th Sep 2026812 PMAQI
24th Sep 2026181 PMAQI
24th Sep 202682 PMAQI
24th Sep 202663 PMAQI
24th Sep 2026164 PMAQI
24th Sep 2026185 PMAQI
24th Sep 2026186 PMAQI
24th Sep 2026167 PMAQI
24th Sep 2026238 PMAQI
24th Sep 2026149 PMAQI
24th Sep 2026710 PMAQI
24th Sep 20263311 PMAQI
25th Sep 20263412 AMAQI
25th Sep 2026141 AMAQI
25th Sep 2026502 AMAQI
25th Sep 2026293 AMAQI
25th Sep 2026294 AMAQI
25th Sep 2026255 AMAQI
25th Sep 2026276 AMAQI

13°C12/14°C

25th Sep 2026297 AMAQI
25th Sep 2026298 AMAQI
25th Sep 2026259 AMAQI
25th Sep 20262510 AMAQI
25th Sep 20262311 AMAQI
25th Sep 20262312 PMAQI
25th Sep 2026211 PMAQI
25th Sep 2026362 PMAQI
25th Sep 2026293 PMAQI
25th Sep 2026324 PMAQI
25th Sep 2026345 PMAQI
25th Sep 2026366 PMAQI
25th Sep 2026277 PMAQI
25th Sep 2026298 PMAQI
25th Sep 2026349 PMAQI
25th Sep 20263610 PMAQI
25th Sep 20264411 PMAQI
26th Sep 20265212 AMAQI
26th Sep 2026601 AMAQI
26th Sep 2026642 AMAQI
26th Sep 2026603 AMAQI
26th Sep 2026494 AMAQI
26th Sep 2026445 AMAQI
26th Sep 2026496 AMAQI

13°C12/14°C

26th Sep 2026277 AMAQI
26th Sep 2026308 AMAQI
26th Sep 2026239 AMAQI
26th Sep 20262310 AMAQI
26th Sep 20263111 AMAQI
26th Sep 20263612 PMAQI
26th Sep 2026251 PMAQI
26th Sep 2026212 PMAQI
26th Sep 2026233 PMAQI
26th Sep 2026234 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026316 PMAQI
26th Sep 2026347 PMAQI
26th Sep 2026258 PMAQI
26th Sep 2026279 PMAQI
26th Sep 20262510 PMAQI
26th Sep 20263111 PMAQI
27th Sep 20264412 AMAQI
27th Sep 2026501 AMAQI
27th Sep 2026532 AMAQI
27th Sep 2026473 AMAQI
27th Sep 2026364 AMAQI
27th Sep 2026275 AMAQI
27th Sep 2026276 AMAQI

14°C12/15°C

27th Sep 2026277 AMAQI
27th Sep 2026318 AMAQI
27th Sep 2026279 AMAQI
27th Sep 20263010 AMAQI
27th Sep 20262511 AMAQI
27th Sep 20263112 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026232 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026214 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026236 PMAQI
27th Sep 2026237 PMAQI
27th Sep 2026218 PMAQI
27th Sep 2026299 PMAQI
27th Sep 20263810 PMAQI
27th Sep 20265811 PMAQI
28th Sep 20266812 AMAQI
28th Sep 2026641 AMAQI
28th Sep 2026942 AMAQI
28th Sep 2026653 AMAQI
28th Sep 2026524 AMAQI
28th Sep 2026235 AMAQI
28th Sep 2026186 AMAQI

13°C12/14°C

28th Sep 202687 AMAQI
28th Sep 2026468 AMAQI
28th Sep 2026489 AMAQI
28th Sep 20264910 AMAQI
28th Sep 20266211 AMAQI
28th Sep 20263612 PMAQI
28th Sep 2026251 PMAQI
28th Sep 2026192 PMAQI
28th Sep 2026253 PMAQI
28th Sep 2026214 PMAQI
28th Sep 2026165 PMAQI
28th Sep 2026186 PMAQI
28th Sep 2026207 PMAQI
28th Sep 2026228 PMAQI
28th Sep 2026189 PMAQI
28th Sep 20262510 PMAQI
28th Sep 20262511 PMAQI
29th Sep 20262512 AMAQI
29th Sep 2026221 AMAQI
29th Sep 2026142 AMAQI
29th Sep 2026563 AMAQI
29th Sep 2026444 AMAQI
29th Sep 2026385 AMAQI
29th Sep 2026126 AMAQI

12°C11/12°C

29th Sep 2026367 AMAQI
29th Sep 2026308 AMAQI
29th Sep 2026449 AMAQI
29th Sep 20263310 AMAQI
29th Sep 20263211 AMAQI
29th Sep 20262312 PMAQI
29th Sep 2026271 PMAQI
29th Sep 2026322 PMAQI
29th Sep 2026273 PMAQI
29th Sep 2026244 PMAQI
29th Sep 2026285 PMAQI
29th Sep 2026256 PMAQI
29th Sep 2026327 PMAQI
29th Sep 2026318 PMAQI
29th Sep 2026299 PMAQI
29th Sep 20261810 PMAQI
29th Sep 20262311 PMAQI
30th Sep 20264212 AMAQI
30th Sep 2026461 AMAQI
30th Sep 2026442 AMAQI
30th Sep 2026383 AMAQI
30th Sep 2026364 AMAQI
30th Sep 2026215 AMAQI
30th Sep 2026216 AMAQI

10°C8/12°C

30th Sep 2026307 AMAQI
30th Sep 2026258 AMAQI
30th Sep 2026239 AMAQI
30th Sep 20263810 AMAQI
30th Sep 20262311 AMAQI
30th Sep 20263312 PMAQI
30th Sep 2026401 PMAQI
30th Sep 2026272 PMAQI
30th Sep 2026323 PMAQI
30th Sep 2026294 PMAQI
30th Sep 2026315 PMAQI
30th Sep 2026276 PMAQI
30th Sep 2026337 PMAQI
30th Sep 2026368 PMAQI
30th Sep 2026369 PMAQI
30th Sep 20264910 PMAQI
30th Sep 20266511 PMAQI
1st Oct 20266212 AMAQI
1st Oct 2026581 AMAQI
1st Oct 2026722 AMAQI
1st Oct 2026833 AMAQI
1st Oct 202664 AMAQI
1st Oct 202685 AMAQI
1st Oct 2026126 AMAQI

11°C9/14°C

1st Oct 2026127 AMAQI
1st Oct 2026168 AMAQI
1st Oct 2026199 AMAQI
1st Oct 20261810 AMAQI
1st Oct 20262311 AMAQI
1st Oct 20261612 PMAQI
1st Oct 2026141 PMAQI
1st Oct 2026142 PMAQI
1st Oct 2026163 PMAQI
1st Oct 2026164 PMAQI
1st Oct 2026175 PMAQI
1st Oct 2026106 PMAQI
1st Oct 2026147 PMAQI
1st Oct 2026178 PMAQI
1st Oct 2026149 PMAQI
1st Oct 20262110 PMAQI
1st Oct 20262511 PMAQI
2nd Oct 20262912 AMAQI
2nd Oct 2026231 AMAQI
2nd Oct 2026192 AMAQI
2nd Oct 2026173 AMAQI
2nd Oct 2026174 AMAQI
2nd Oct 2026185 AMAQI
2nd Oct 2026166 AMAQI

13°C11/15°C

2nd Oct 2026167 AMAQI
2nd Oct 202688 AMAQI
2nd Oct 202689 AMAQI
2nd Oct 20261610 AMAQI
2nd Oct 20262511 AMAQI
2nd Oct 20262512 PMAQI
2nd Oct 2026231 PMAQI
2nd Oct 2026222 PMAQI
2nd Oct 2026233 PMAQI
2nd Oct 2026214 PMAQI
2nd Oct 2026265 PMAQI
2nd Oct 2026236 PMAQI
2nd Oct 2026267 PMAQI
2nd Oct 2026268 PMAQI
2nd Oct 2026229 PMAQI
2nd Oct 20262810 PMAQI
2nd Oct 20262311 PMAQI
3rd Oct 20262612 AMAQI
3rd Oct 2026251 AMAQI
3rd Oct 2026232 AMAQI
3rd Oct 2026273 AMAQI
3rd Oct 2026274 AMAQI
3rd Oct 2026255 AMAQI
3rd Oct 2026216 AMAQI

13°C12/14°C

3rd Oct 2026427 AMAQI
7 AM
3rd Oct 2026448 AMAQI
3rd Oct 2026449 AMAQI
3rd Oct 20264210 AMAQI
3rd Oct 20264411 AMAQI
3rd Oct 20263212 PMAQI
3rd Oct 2026231 PMAQI
1 PM
3rd Oct 2026212 PMAQI
3rd Oct 2026213 PMAQI
3rd Oct 2026344 PMAQI
3rd Oct 2026465 PMAQI
3rd Oct 2026386 PMAQI
3rd Oct 2026237 PMAQI
7 PM
3rd Oct 2026258 PMAQI
3rd Oct 2026219 PMAQI
3rd Oct 20263610 PMAQI
3rd Oct 20263811 PMAQI
1 AM
6 AM

12°C12/13°C

Day time
Avg. Highest Time
11 AM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 33), while the lowest AQI was between 8 AM to 8 AM (Avg. 24).
Night time
Avg. Highest Time
12 AM - 2 AM

51AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM - 8 PM

27AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 51), while the lowest AQI was between 6 AM to 8 PM (Avg. 27).

2026 Days Vs Air Quality

Tome, Biobio, Chile

2026

77%

210

22%

60

0.7%

2

Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)

Good
210 Days
Moderate
60 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2026, 77% of 276 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

Tome, Biobio, Chile

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
32AQI (US)
2nd January 2026
28AQI (US)
3rd January 2026
25AQI (US)
4th January 2026
29AQI (US)
5th January 2026
25AQI (US)
6th January 2026
27AQI (US)
7th January 2026
34AQI (US)
8th January 2026
40AQI (US)
9th January 2026
39AQI (US)
10th January 2026
27AQI (US)
11th January 2026
25AQI (US)
12th January 2026
31AQI (US)
13th January 2026
47AQI (US)
14th January 2026
26AQI (US)
15th January 2026
28AQI (US)
16th January 2026
40AQI (US)
17th January 2026
40AQI (US)
18th January 2026
46AQI (US)
19th January 2026
64AQI (US)
20th January 2026
60AQI (US)
21st January 2026
83AQI (US)
22nd January 2026
49AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
45AQI (US)
25th January 2026
48AQI (US)
26th January 2026
44AQI (US)
27th January 2026
38AQI (US)
28th January 2026
43AQI (US)
29th January 2026
44AQI (US)
30th January 2026
50AQI (US)
31st January 2026
42AQI (US)
1st February 2026
47AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
50AQI (US)
5th February 2026
47AQI (US)
6th February 2026
44AQI (US)
7th February 2026
41AQI (US)
8th February 2026
46AQI (US)
9th February 2026
47AQI (US)
10th February 2026
41AQI (US)
11th February 2026
42AQI (US)
12th February 2026
42AQI (US)
13th February 2026
49AQI (US)
14th February 2026
50AQI (US)
15th February 2026
42AQI (US)
16th February 2026
45AQI (US)
17th February 2026
45AQI (US)
18th February 2026
45AQI (US)
19th February 2026
50AQI (US)
20th February 2026
43AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
33AQI (US)
23rd February 2026
38AQI (US)
24th February 2026
43AQI (US)
25th February 2026
44AQI (US)
26th February 2026
32AQI (US)
27th February 2026
34AQI (US)
28th February 2026
32AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
50AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
42AQI (US)
5th March 2026
37AQI (US)
6th March 2026
29AQI (US)
7th March 2026
33AQI (US)
8th March 2026
38AQI (US)
9th March 2026
37AQI (US)
10th March 2026
31AQI (US)
11th March 2026
35AQI (US)
12th March 2026
40AQI (US)
13th March 2026
38AQI (US)
14th March 2026
36AQI (US)
15th March 2026
31AQI (US)
16th March 2026
35AQI (US)
17th March 2026
33AQI (US)
18th March 2026
32AQI (US)
19th March 2026
32AQI (US)
20th March 2026
32AQI (US)
21st March 2026
31AQI (US)
22nd March 2026
34AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
36AQI (US)
25th March 2026
33AQI (US)
26th March 2026
28AQI (US)
27th March 2026
31AQI (US)
28th March 2026
32AQI (US)
29th March 2026
28AQI (US)
30th March 2026
28AQI (US)
31st March 2026
27AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
31AQI (US)
3rd April 2026
29AQI (US)
4th April 2026
28AQI (US)
5th April 2026
30AQI (US)
6th April 2026
36AQI (US)
7th April 2026
30AQI (US)
8th April 2026
37AQI (US)
9th April 2026
29AQI (US)
10th April 2026
35AQI (US)
11th April 2026
36AQI (US)
12th April 2026
31AQI (US)
13th April 2026
29AQI (US)
14th April 2026
32AQI (US)
15th April 2026
30AQI (US)
16th April 2026
32AQI (US)
17th April 2026
18th April 2026
31AQI (US)
19th April 2026
34AQI (US)
20th April 2026
32AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
27AQI (US)
25th April 2026
29AQI (US)
26th April 2026
34AQI (US)
27th April 2026
28AQI (US)
28th April 2026
27AQI (US)
29th April 2026
25AQI (US)
30th April 2026
27AQI (US)
1st May 2026
28AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
26AQI (US)
4th May 2026
29AQI (US)
5th May 2026
34AQI (US)
6th May 2026
33AQI (US)
7th May 2026
30AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
33AQI (US)
12th May 2026
35AQI (US)
13th May 2026
35AQI (US)
14th May 2026
30AQI (US)
15th May 2026
51AQI (US)
16th May 2026
53AQI (US)
17th May 2026
41AQI (US)
18th May 2026
38AQI (US)
19th May 2026
53AQI (US)
20th May 2026
56AQI (US)
21st May 2026
48AQI (US)
22nd May 2026
53AQI (US)
23rd May 2026
58AQI (US)
24th May 2026
57AQI (US)
25th May 2026
72AQI (US)
26th May 2026
77AQI (US)
27th May 2026
33AQI (US)
28th May 2026
27AQI (US)
29th May 2026
58AQI (US)
30th May 2026
57AQI (US)
31st May 2026
67AQI (US)
1st June 2026
44AQI (US)
2nd June 2026
58AQI (US)
3rd June 2026
43AQI (US)
4th June 2026
62AQI (US)
5th June 2026
52AQI (US)
6th June 2026
88AQI (US)
7th June 2026
99AQI (US)
8th June 2026
86AQI (US)
9th June 2026
43AQI (US)
10th June 2026
38AQI (US)
11th June 2026
76AQI (US)
12th June 2026
55AQI (US)
13th June 2026
55AQI (US)
14th June 2026
46AQI (US)
15th June 2026
43AQI (US)
16th June 2026
47AQI (US)
17th June 2026
62AQI (US)
18th June 2026
57AQI (US)
19th June 2026
59AQI (US)
20th June 2026
41AQI (US)
21st June 2026
50AQI (US)
22nd June 2026
61AQI (US)
23rd June 2026
54AQI (US)
24th June 2026
56AQI (US)
25th June 2026
64AQI (US)
26th June 2026
52AQI (US)
27th June 2026
47AQI (US)
28th June 2026
60AQI (US)
29th June 2026
41AQI (US)
30th June 2026
66AQI (US)
1st July 2026
58AQI (US)
2nd July 2026
56AQI (US)
3rd July 2026
66AQI (US)
4th July 2026
76AQI (US)
5th July 2026
87AQI (US)
6th July 2026
77AQI (US)
7th July 2026
65AQI (US)
8th July 2026
31AQI (US)
9th July 2026
64AQI (US)
10th July 2026
26AQI (US)
11th July 2026
57AQI (US)
12th July 2026
67AQI (US)
13th July 2026
40AQI (US)
14th July 2026
28AQI (US)
15th July 2026
17AQI (US)
16th July 2026
24AQI (US)
17th July 2026
47AQI (US)
18th July 2026
39AQI (US)
19th July 2026
75AQI (US)
20th July 2026
64AQI (US)
21st July 2026
35AQI (US)
22nd July 2026
22AQI (US)
23rd July 2026
28AQI (US)
24th July 2026
37AQI (US)
25th July 2026
32AQI (US)
26th July 2026
33AQI (US)
27th July 2026
37AQI (US)
28th July 2026
36AQI (US)
29th July 2026
46AQI (US)
30th July 2026
27AQI (US)
31st July 2026
38AQI (US)
1st August 2026
22AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
43AQI (US)
4th August 2026
35AQI (US)
5th August 2026
52AQI (US)
6th August 2026
38AQI (US)
7th August 2026
40AQI (US)
8th August 2026
32AQI (US)
9th August 2026
39AQI (US)
10th August 2026
41AQI (US)
11th August 2026
41AQI (US)
12th August 2026
44AQI (US)
13th August 2026
66AQI (US)
14th August 2026
22AQI (US)
15th August 2026
24AQI (US)
16th August 2026
43AQI (US)
17th August 2026
53AQI (US)
18th August 2026
52AQI (US)
19th August 2026
67AQI (US)
20th August 2026
64AQI (US)
21st August 2026
55AQI (US)
22nd August 2026
127AQI (US)
23rd August 2026
138AQI (US)
24th August 2026
80AQI (US)
25th August 2026
29AQI (US)
26th August 2026
29AQI (US)
27th August 2026
37AQI (US)
28th August 2026
29AQI (US)
29th August 2026
33AQI (US)
30th August 2026
42AQI (US)
31st August 2026
37AQI (US)
1st September 2026
48AQI (US)
2nd September 2026
36AQI (US)
3rd September 2026
47AQI (US)
4th September 2026
30AQI (US)
5th September 2026
31AQI (US)
6th September 2026
19AQI (US)
7th September 2026
30AQI (US)
8th September 2026
54AQI (US)
9th September 2026
46AQI (US)
10th September 2026
51AQI (US)
11th September 2026
29AQI (US)
12th September 2026
29AQI (US)
13th September 2026
27AQI (US)
14th September 2026
48AQI (US)
15th September 2026
37AQI (US)
16th September 2026
34AQI (US)
17th September 2026
34AQI (US)
18th September 2026
54AQI (US)
19th September 2026
25AQI (US)
20th September 2026
26AQI (US)
21st September 2026
39AQI (US)
22nd September 2026
30AQI (US)
23rd September 2026
28AQI (US)
24th September 2026
16AQI (US)
25th September 2026
30AQI (US)
26th September 2026
35AQI (US)
27th September 2026
32AQI (US)
28th September 2026
36AQI (US)
29th September 2026
29AQI (US)
30th September 2026
34AQI (US)
1st October 2026
24AQI (US)
2nd October 2026
21AQI (US)
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)

43AQI (US)

34AQI (US)

30AQI (US)

43AQI (US)

57AQI (US)

46AQI (US)

48AQI (US)

35AQI (US)

23AQI (US)

No. of days

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

202642AQI (US)

27
4
26
2
31
28
18
12
11
19
19
12
21
8
2
27
3
2
210
60
2

Highest AQI (US) recorded in

June

57AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

202554AQI (US)

31
19
9
24
7
16
14
2
26
3
4
9
16
1
4
18
6
3
8
22
1
18
12
24
7
30
31
211
124
26
4

Highest AQI (US) recorded in

June

104AQI (US)

Lowest AQI (US) recorded in

November

31AQI (US)

202449AQI (US)

26
5
23
3
22
5
18
11
1
5
24
2
16
12
2
2
27
1
10
21
19
11
22
9
29
1
31
223
129
6

Highest AQI (US) recorded in

May

77AQI (US)

Lowest AQI (US) recorded in

November

32AQI (US)

202352AQI (US)

31
5
18
4
1
21
8
13
14
1
7
18
5
9
17
4
9
20
2
11
20
22
8
17
6
25
3
30
1
200
133
16
1

Highest AQI (US) recorded in

February

76AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202250AQI (US)

29
1
9
8
16
13
13
15
2
2
25
4
10
17
3
13
7
3
2
9
19
1
25
6
28
2
26
5
180
120
13

Highest AQI (US) recorded in

August

86AQI (US)

Lowest AQI (US) recorded in

January

26AQI (US)

202155AQI (US)

24
5
28
25
6
13
17
9
13
9
10
11
8
1
3
16
11
1
13
11
7
11
19
13
12
27
3
17
14
193
127
35
2

Highest AQI (US) recorded in

July

94AQI (US)

Lowest AQI (US) recorded in

February

32AQI (US)

202049AQI (US)

11
2
6
15
2
14
2
17
10
3
16
10
4
1
13
17
1
15
15
22
9
27
3
30
1
159
96
10
1

Highest AQI (US) recorded in

May

75AQI (US)

Lowest AQI (US) recorded in

December

31AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
55AQI (US)
Least Polluted Year Recorded
2026(Avg.)
42AQI (US)

Tome's annual 2026 AQI (US) (42) shows an average percentage change of -18.2% (improved AQI (US)) compared to previous years: 2020 (49), 2021 (55), 2022 (50), 2023 (52), 2024 (49), 2025 (54).