Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Thread, Hilo, Hawaii, United States 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

Thread, Hilo, Hawaii, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Oct 2025
42AQI
Lowest AQI recorded on
3rd Oct 2022
8AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025

Thread, Hilo, Hawaii, United States

AQI
Day
Night
.

6 AM3rd Oct 2025

6 PM

5 AM4th Oct 2025

Day time
Avg. Highest Time
12PM3rd Oct

62AQI

Avg. Lowest Time
6AM3rd Oct

26AQI

Night time
Avg. Highest Time
7PM3rd Oct

50AQI

Avg. Lowest Time
10PM3rd Oct

26AQI

In the last 24 hours,

Thread's AQI reached its highest point of 62 at 12 PM during the Day, while the lowest point, 26, was recorded at 10 PM during the Night between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Thread, Hilo, Hawaii, United States

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 - 04th04th
Day
Night
4th Sep 2025176 AMAQI
4th Sep 2025177 AMAQI
4th Sep 2025178 AMAQI
4th Sep 2025179 AMAQI
4th Sep 20251710 AMAQI
4th Sep 20251811 AMAQI
4th Sep 20251912 PMAQI
4th Sep 2025201 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025243 PMAQI
4th Sep 2025244 PMAQI
4th Sep 2025265 PMAQI
4th Sep 2025276 PMAQI
4th Sep 2025227 PMAQI
4th Sep 2025208 PMAQI
4th Sep 2025219 PMAQI
4th Sep 20251810 PMAQI
4th Sep 20251911 PMAQI
5th Sep 20251812 AMAQI
5th Sep 2025211 AMAQI
5th Sep 2025232 AMAQI
5th Sep 2025243 AMAQI
5th Sep 2025224 AMAQI
5th Sep 2025255 AMAQI

--°C/°C

5th Sep 2025266 AMAQI
5th Sep 2025257 AMAQI
5th Sep 2025268 AMAQI
5th Sep 2025269 AMAQI
5th Sep 20252310 AMAQI
5th Sep 20251911 AMAQI
5th Sep 20252112 PMAQI
5th Sep 2025201 PMAQI
5th Sep 2025262 PMAQI
5th Sep 2025363 PMAQI
5th Sep 2025304 PMAQI
5th Sep 2025235 PMAQI
5th Sep 2025246 PMAQI
5th Sep 2025227 PMAQI
5th Sep 2025208 PMAQI
5th Sep 2025229 PMAQI
5th Sep 20252010 PMAQI
5th Sep 20251811 PMAQI
6th Sep 20251712 AMAQI
6th Sep 2025191 AMAQI
6th Sep 2025202 AMAQI
6th Sep 2025223 AMAQI
6th Sep 2025224 AMAQI
6th Sep 2025245 AMAQI

23°C21/25°C

6th Sep 2025246 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252610 AMAQI
6th Sep 20252411 AMAQI
6th Sep 20252712 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025322 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025284 PMAQI
6th Sep 2025245 PMAQI
6th Sep 2025246 PMAQI
6th Sep 2025237 PMAQI
6th Sep 2025228 PMAQI
6th Sep 2025249 PMAQI
6th Sep 20251910 PMAQI
6th Sep 20252111 PMAQI
7th Sep 20252012 AMAQI
7th Sep 2025201 AMAQI
7th Sep 2025202 AMAQI
7th Sep 2025223 AMAQI
7th Sep 2025224 AMAQI
7th Sep 2025245 AMAQI

23°C22/26°C

7th Sep 2025206 AMAQI
7th Sep 2025207 AMAQI
7th Sep 2025208 AMAQI
7th Sep 2025199 AMAQI
7th Sep 20251810 AMAQI
7th Sep 20252111 AMAQI
7th Sep 20252012 PMAQI
7th Sep 2025221 PMAQI
7th Sep 2025342 PMAQI
7th Sep 2025423 PMAQI
7th Sep 2025364 PMAQI
7th Sep 2025265 PMAQI
7th Sep 2025226 PMAQI
7th Sep 2025227 PMAQI
7th Sep 2025198 PMAQI
7th Sep 2025189 PMAQI
7th Sep 20251910 PMAQI
7th Sep 20252011 PMAQI
8th Sep 20252012 AMAQI
8th Sep 2025211 AMAQI
8th Sep 2025182 AMAQI
8th Sep 2025203 AMAQI
8th Sep 2025304 AMAQI
8th Sep 2025235 AMAQI

23°C21/25°C

8th Sep 2025206 AMAQI
8th Sep 2025207 AMAQI
8th Sep 2025218 AMAQI
8th Sep 2025249 AMAQI
8th Sep 20252910 AMAQI
8th Sep 20253111 AMAQI
8th Sep 20252512 PMAQI
8th Sep 2025241 PMAQI
8th Sep 2025362 PMAQI
8th Sep 2025403 PMAQI
8th Sep 2025394 PMAQI
8th Sep 2025285 PMAQI
8th Sep 2025246 PMAQI
8th Sep 2025197 PMAQI
8th Sep 2025178 PMAQI
8th Sep 2025189 PMAQI
8th Sep 20251810 PMAQI
8th Sep 20251511 PMAQI
9th Sep 20251412 AMAQI
9th Sep 2025151 AMAQI
9th Sep 2025172 AMAQI
9th Sep 2025183 AMAQI
9th Sep 2025214 AMAQI
9th Sep 2025205 AMAQI

23°C20/24°C

9th Sep 2025206 AMAQI
9th Sep 2025217 AMAQI
9th Sep 2025228 AMAQI
9th Sep 2025199 AMAQI
9th Sep 20251910 AMAQI
9th Sep 20251811 AMAQI
9th Sep 20251812 PMAQI
9th Sep 2025171 PMAQI
9th Sep 2025182 PMAQI
9th Sep 2025193 PMAQI
9th Sep 2025314 PMAQI
9th Sep 2025345 PMAQI
9th Sep 2025226 PMAQI
9th Sep 2025187 PMAQI
9th Sep 2025198 PMAQI
9th Sep 2025239 PMAQI
9th Sep 20252710 PMAQI
9th Sep 20252411 PMAQI
10th Sep 20252012 AMAQI
10th Sep 2025181 AMAQI
10th Sep 2025182 AMAQI
10th Sep 2025243 AMAQI
10th Sep 2025214 AMAQI
10th Sep 2025235 AMAQI

25°C23/26°C

10th Sep 2025266 AMAQI
10th Sep 2025167 AMAQI
10th Sep 2025198 AMAQI
10th Sep 2025229 AMAQI
10th Sep 20252610 AMAQI
10th Sep 20252111 AMAQI
10th Sep 20252012 PMAQI
10th Sep 2025181 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025193 PMAQI
10th Sep 2025184 PMAQI
10th Sep 2025195 PMAQI
10th Sep 2025206 PMAQI
10th Sep 2025207 PMAQI
10th Sep 2025308 PMAQI
10th Sep 2025359 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20252611 PMAQI
11th Sep 20252312 AMAQI
11th Sep 2025281 AMAQI
11th Sep 2025302 AMAQI
11th Sep 2025243 AMAQI
11th Sep 2025224 AMAQI
11th Sep 2025265 AMAQI

24°C23/25°C

11th Sep 2025226 AMAQI
11th Sep 2025197 AMAQI
11th Sep 2025188 AMAQI
11th Sep 2025199 AMAQI
11th Sep 20252010 AMAQI
11th Sep 20251911 AMAQI
11th Sep 20251912 PMAQI
11th Sep 2025261 PMAQI
11th Sep 2025272 PMAQI
11th Sep 2025233 PMAQI
11th Sep 2025214 PMAQI
11th Sep 2025245 PMAQI
11th Sep 2025246 PMAQI
11th Sep 2025227 PMAQI
11th Sep 2025228 PMAQI
11th Sep 2025249 PMAQI
11th Sep 20252010 PMAQI
11th Sep 20252711 PMAQI
12th Sep 20252012 AMAQI
12th Sep 2025171 AMAQI
12th Sep 2025182 AMAQI
12th Sep 2025183 AMAQI
12th Sep 2025184 AMAQI
12th Sep 2025205 AMAQI

24°C22/25°C

12th Sep 2025196 AMAQI
12th Sep 2025187 AMAQI
12th Sep 2025188 AMAQI
12th Sep 2025199 AMAQI
12th Sep 20251810 AMAQI
12th Sep 20251811 AMAQI
12th Sep 20252012 PMAQI
12th Sep 2025201 PMAQI
12th Sep 2025222 PMAQI
12th Sep 2025233 PMAQI
12th Sep 2025214 PMAQI
12th Sep 2025215 PMAQI
12th Sep 2025256 PMAQI
12th Sep 2025207 PMAQI
12th Sep 2025238 PMAQI
12th Sep 2025259 PMAQI
12th Sep 20252310 PMAQI
12th Sep 20251811 PMAQI
13th Sep 20251912 AMAQI
13th Sep 2025211 AMAQI
13th Sep 2025202 AMAQI
13th Sep 2025303 AMAQI
13th Sep 2025294 AMAQI
13th Sep 2025345 AMAQI

24°C22/25°C

13th Sep 2025246 AMAQI
13th Sep 2025237 AMAQI
13th Sep 2025238 AMAQI
13th Sep 2025249 AMAQI
13th Sep 20252110 AMAQI
13th Sep 20252011 AMAQI
13th Sep 20251912 PMAQI
13th Sep 2025181 PMAQI
13th Sep 2025202 PMAQI
13th Sep 2025253 PMAQI
13th Sep 2025294 PMAQI
13th Sep 2025295 PMAQI
13th Sep 2025336 PMAQI
13th Sep 2025257 PMAQI
13th Sep 2025228 PMAQI
13th Sep 2025239 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252411 PMAQI
14th Sep 20252212 AMAQI
14th Sep 2025241 AMAQI
14th Sep 2025292 AMAQI
14th Sep 2025263 AMAQI
14th Sep 2025274 AMAQI
14th Sep 2025265 AMAQI

24°C23/25°C

14th Sep 2025246 AMAQI
14th Sep 2025257 AMAQI
14th Sep 2025248 AMAQI
14th Sep 2025189 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20251811 AMAQI
14th Sep 20251712 PMAQI
14th Sep 2025171 PMAQI
14th Sep 2025232 PMAQI
14th Sep 2025343 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025385 PMAQI
14th Sep 2025296 PMAQI
14th Sep 2025257 PMAQI
14th Sep 2025218 PMAQI
14th Sep 2025189 PMAQI
14th Sep 20251810 PMAQI
14th Sep 20251611 PMAQI
15th Sep 20252012 AMAQI
15th Sep 2025231 AMAQI
15th Sep 2025242 AMAQI
15th Sep 2025313 AMAQI
15th Sep 2025354 AMAQI
15th Sep 2025445 AMAQI

23°C22/24°C

15th Sep 2025356 AMAQI
15th Sep 2025377 AMAQI
15th Sep 2025448 AMAQI
15th Sep 2025399 AMAQI
15th Sep 20252310 AMAQI
15th Sep 20252611 AMAQI
15th Sep 20252112 PMAQI
15th Sep 2025211 PMAQI
15th Sep 2025302 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025284 PMAQI
15th Sep 2025305 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025267 PMAQI
15th Sep 2025338 PMAQI
15th Sep 2025339 PMAQI
15th Sep 20252710 PMAQI
15th Sep 20252511 PMAQI
16th Sep 20252112 AMAQI
16th Sep 2025231 AMAQI
16th Sep 2025222 AMAQI
16th Sep 2025263 AMAQI
16th Sep 2025244 AMAQI
16th Sep 2025305 AMAQI

24°C22/26°C

16th Sep 2025306 AMAQI
16th Sep 2025267 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025229 AMAQI
16th Sep 20252110 AMAQI
16th Sep 20252211 AMAQI
16th Sep 20252112 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025332 PMAQI
16th Sep 2025393 PMAQI
16th Sep 2025294 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025266 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025268 PMAQI
16th Sep 2025319 PMAQI
16th Sep 20252710 PMAQI
16th Sep 20253411 PMAQI
17th Sep 20252412 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025222 AMAQI
17th Sep 2025253 AMAQI
17th Sep 2025314 AMAQI
17th Sep 2025245 AMAQI

23°C22/24°C

17th Sep 2025276 AMAQI
17th Sep 2025237 AMAQI
17th Sep 2025248 AMAQI
17th Sep 2025239 AMAQI
17th Sep 20252410 AMAQI
17th Sep 20252411 AMAQI
17th Sep 20252312 PMAQI
17th Sep 2025261 PMAQI
17th Sep 2025252 PMAQI
17th Sep 2025293 PMAQI
17th Sep 2025274 PMAQI
17th Sep 2025305 PMAQI
17th Sep 2025296 PMAQI
17th Sep 2025267 PMAQI
17th Sep 2025258 PMAQI
17th Sep 2025269 PMAQI
17th Sep 20252710 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025281 AMAQI
18th Sep 2025282 AMAQI
18th Sep 2025293 AMAQI
18th Sep 2025264 AMAQI
18th Sep 2025265 AMAQI

24°C22/26°C

18th Sep 2025286 AMAQI
18th Sep 2025267 AMAQI
18th Sep 2025268 AMAQI
18th Sep 2025229 AMAQI
18th Sep 20252110 AMAQI
18th Sep 20252211 AMAQI
18th Sep 20251912 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025252 PMAQI
18th Sep 2025333 PMAQI
18th Sep 2025344 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025326 PMAQI
18th Sep 2025267 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025229 PMAQI
18th Sep 20252310 PMAQI
18th Sep 20252011 PMAQI
19th Sep 20252012 AMAQI
19th Sep 2025211 AMAQI
19th Sep 2025232 AMAQI
19th Sep 2025263 AMAQI
19th Sep 2025264 AMAQI
19th Sep 2025285 AMAQI

24°C22/27°C

19th Sep 2025326 AMAQI
19th Sep 2025297 AMAQI
19th Sep 2025268 AMAQI
19th Sep 2025249 AMAQI
19th Sep 20252710 AMAQI
19th Sep 20252611 AMAQI
19th Sep 20252712 PMAQI
19th Sep 2025321 PMAQI
19th Sep 2025322 PMAQI
19th Sep 2025293 PMAQI
19th Sep 2025314 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025267 PMAQI
19th Sep 2025258 PMAQI
19th Sep 2025229 PMAQI
19th Sep 20252110 PMAQI
19th Sep 20252111 PMAQI
20th Sep 20252012 AMAQI
20th Sep 2025161 AMAQI
20th Sep 2025212 AMAQI
20th Sep 2025183 AMAQI
20th Sep 2025204 AMAQI
20th Sep 2025225 AMAQI

24°C22/25°C

20th Sep 2025266 AMAQI
20th Sep 2025247 AMAQI
20th Sep 2025208 AMAQI
20th Sep 2025209 AMAQI
20th Sep 20251910 AMAQI
20th Sep 20251911 AMAQI
20th Sep 20252012 PMAQI
20th Sep 2025231 PMAQI
20th Sep 2025282 PMAQI
20th Sep 2025233 PMAQI
20th Sep 2025234 PMAQI
20th Sep 2025265 PMAQI
20th Sep 2025226 PMAQI
20th Sep 2025227 PMAQI
20th Sep 2025228 PMAQI
20th Sep 2025279 PMAQI
20th Sep 20252010 PMAQI
20th Sep 20252011 PMAQI
21st Sep 20252012 AMAQI
21st Sep 2025211 AMAQI
21st Sep 2025262 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025304 AMAQI
21st Sep 2025305 AMAQI

24°C22/25°C

21st Sep 2025326 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025289 AMAQI
21st Sep 20252610 AMAQI
21st Sep 20252311 AMAQI
21st Sep 20252412 PMAQI
21st Sep 2025211 PMAQI
21st Sep 2025312 PMAQI
21st Sep 2025343 PMAQI
21st Sep 2025344 PMAQI
21st Sep 2025285 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025267 PMAQI
21st Sep 2025268 PMAQI
21st Sep 2025209 PMAQI
21st Sep 20251710 PMAQI
21st Sep 20251811 PMAQI
22nd Sep 20252112 AMAQI
22nd Sep 2025221 AMAQI
22nd Sep 2025222 AMAQI
22nd Sep 2025213 AMAQI
22nd Sep 2025234 AMAQI
22nd Sep 2025225 AMAQI

23°C21/25°C

22nd Sep 2025206 AMAQI
22nd Sep 2025207 AMAQI
22nd Sep 2025208 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025312 PMAQI
22nd Sep 2025333 PMAQI
22nd Sep 2025314 PMAQI
22nd Sep 2025285 PMAQI
22nd Sep 2025266 PMAQI
22nd Sep 2025227 PMAQI
22nd Sep 2025218 PMAQI
22nd Sep 2025179 PMAQI
22nd Sep 20251610 PMAQI
22nd Sep 20251611 PMAQI
23rd Sep 20251912 AMAQI
23rd Sep 2025181 AMAQI
23rd Sep 2025212 AMAQI
23rd Sep 2025223 AMAQI
23rd Sep 2025274 AMAQI
23rd Sep 2025275 AMAQI

23°C21/24°C

23rd Sep 2025316 AMAQI
23rd Sep 2025257 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025259 AMAQI
23rd Sep 20252410 AMAQI
23rd Sep 20252411 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025231 PMAQI
23rd Sep 2025272 PMAQI
23rd Sep 2025353 PMAQI
23rd Sep 2025334 PMAQI
23rd Sep 2025285 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025257 PMAQI
23rd Sep 2025248 PMAQI
23rd Sep 2025239 PMAQI
23rd Sep 20252210 PMAQI
23rd Sep 20252411 PMAQI
24th Sep 20252612 AMAQI
24th Sep 2025271 AMAQI
24th Sep 2025252 AMAQI
24th Sep 2025223 AMAQI
24th Sep 2025254 AMAQI
24th Sep 2025255 AMAQI

22°C20/24°C

24th Sep 2025226 AMAQI
24th Sep 2025227 AMAQI
24th Sep 2025208 AMAQI
24th Sep 2025229 AMAQI
24th Sep 20252410 AMAQI
24th Sep 20252611 AMAQI
24th Sep 20252412 PMAQI
24th Sep 2025251 PMAQI
24th Sep 2025322 PMAQI
24th Sep 2025343 PMAQI
24th Sep 2025314 PMAQI
24th Sep 2025295 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025227 PMAQI
24th Sep 2025228 PMAQI
24th Sep 2025169 PMAQI
24th Sep 20252010 PMAQI
24th Sep 20252011 PMAQI
25th Sep 20251812 AMAQI
25th Sep 2025191 AMAQI
25th Sep 2025172 AMAQI
25th Sep 2025173 AMAQI
25th Sep 2025204 AMAQI
25th Sep 2025185 AMAQI

22°C21/24°C

25th Sep 2025206 AMAQI
25th Sep 2025167 AMAQI
25th Sep 2025188 AMAQI
25th Sep 2025179 AMAQI
25th Sep 20251410 AMAQI
25th Sep 20251511 AMAQI
25th Sep 20251712 PMAQI
25th Sep 2025271 PMAQI
25th Sep 2025422 PMAQI
25th Sep 2025363 PMAQI
25th Sep 2025304 PMAQI
25th Sep 2025315 PMAQI
25th Sep 2025256 PMAQI
25th Sep 2025247 PMAQI
25th Sep 2025248 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252511 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025222 AMAQI
26th Sep 2025213 AMAQI
26th Sep 2025204 AMAQI
26th Sep 2025235 AMAQI

24°C22/26°C

26th Sep 2025296 AMAQI
26th Sep 2025347 AMAQI
26th Sep 2025498 AMAQI
26th Sep 2025499 AMAQI
26th Sep 20253710 AMAQI
26th Sep 20253311 AMAQI
26th Sep 20252912 PMAQI
26th Sep 2025361 PMAQI
26th Sep 2025442 PMAQI
26th Sep 2025443 PMAQI
26th Sep 2025264 PMAQI
26th Sep 2025265 PMAQI
26th Sep 2025266 PMAQI
26th Sep 2025277 PMAQI
26th Sep 2025248 PMAQI
26th Sep 2025209 PMAQI
26th Sep 20252010 PMAQI
26th Sep 20252111 PMAQI
27th Sep 20251812 AMAQI
27th Sep 2025161 AMAQI
27th Sep 2025142 AMAQI
27th Sep 2025153 AMAQI
27th Sep 2025154 AMAQI
27th Sep 2025175 AMAQI

24°C22/27°C

27th Sep 2025166 AMAQI
27th Sep 2025177 AMAQI
27th Sep 2025198 AMAQI
27th Sep 2025229 AMAQI
27th Sep 20252310 AMAQI
27th Sep 20252211 AMAQI
27th Sep 20252012 PMAQI
27th Sep 2025321 PMAQI
27th Sep 2025402 PMAQI
27th Sep 2025223 PMAQI
27th Sep 2025374 PMAQI
27th Sep 2025395 PMAQI
27th Sep 2025306 PMAQI
27th Sep 2025177 PMAQI
27th Sep 2025158 PMAQI
27th Sep 2025169 PMAQI
27th Sep 20251810 PMAQI
27th Sep 20252211 PMAQI
28th Sep 20251912 AMAQI
28th Sep 2025171 AMAQI
28th Sep 2025162 AMAQI
28th Sep 2025173 AMAQI
28th Sep 2025184 AMAQI
28th Sep 2025165 AMAQI

24°C23/26°C

28th Sep 2025216 AMAQI
28th Sep 2025247 AMAQI
28th Sep 2025178 AMAQI
28th Sep 2025179 AMAQI
28th Sep 20251710 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20251612 PMAQI
28th Sep 2025111 PMAQI
28th Sep 2025172 PMAQI
28th Sep 2025243 PMAQI
28th Sep 2025204 PMAQI
28th Sep 2025155 PMAQI
28th Sep 2025116 PMAQI
28th Sep 2025117 PMAQI
28th Sep 2025118 PMAQI
28th Sep 2025119 PMAQI
28th Sep 20251910 PMAQI
28th Sep 20253011 PMAQI
29th Sep 20251812 AMAQI
29th Sep 2025111 AMAQI
29th Sep 2025112 AMAQI
29th Sep 2025163 AMAQI
29th Sep 2025204 AMAQI
29th Sep 2025145 AMAQI

24°C22/26°C

29th Sep 2025246 AMAQI
29th Sep 2025187 AMAQI
29th Sep 2025218 AMAQI
29th Sep 2025179 AMAQI
29th Sep 20252610 AMAQI
29th Sep 20252811 AMAQI
29th Sep 20251212 PMAQI
29th Sep 2025141 PMAQI
29th Sep 2025172 PMAQI
29th Sep 2025173 PMAQI
29th Sep 2025304 PMAQI
29th Sep 2025255 PMAQI
29th Sep 2025236 PMAQI
29th Sep 2025217 PMAQI
29th Sep 2025168 PMAQI
29th Sep 2025149 PMAQI
29th Sep 20251310 PMAQI
29th Sep 20251611 PMAQI
30th Sep 20251312 AMAQI
30th Sep 2025161 AMAQI
30th Sep 2025202 AMAQI
30th Sep 2025183 AMAQI
30th Sep 2025214 AMAQI
30th Sep 2025135 AMAQI

24°C22/26°C

30th Sep 2025126 AMAQI
30th Sep 2025147 AMAQI
30th Sep 2025118 AMAQI
30th Sep 2025149 AMAQI
30th Sep 20251510 AMAQI
30th Sep 20251211 AMAQI
30th Sep 20251412 PMAQI
30th Sep 2025231 PMAQI
30th Sep 2025262 PMAQI
30th Sep 2025253 PMAQI
30th Sep 2025174 PMAQI
30th Sep 2025325 PMAQI
30th Sep 2025226 PMAQI
30th Sep 2025237 PMAQI
30th Sep 2025208 PMAQI
30th Sep 2025249 PMAQI
30th Sep 20252610 PMAQI
30th Sep 20251711 PMAQI
1st Oct 20252212 AMAQI
1st Oct 2025221 AMAQI
1st Oct 2025182 AMAQI
1st Oct 2025183 AMAQI
1st Oct 2025254 AMAQI
1st Oct 2025245 AMAQI

24°C23/27°C

1st Oct 2025236 AMAQI
1st Oct 2025237 AMAQI
1st Oct 2025248 AMAQI
1st Oct 2025249 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20253811 AMAQI
1st Oct 20254912 PMAQI
1st Oct 2025491 PMAQI
1st Oct 2025582 PMAQI
1st Oct 2025223 PMAQI
1st Oct 2025334 PMAQI
1st Oct 2025455 PMAQI
1st Oct 2025226 PMAQI
1st Oct 2025237 PMAQI
1st Oct 2025328 PMAQI
1st Oct 2025449 PMAQI
1st Oct 20252910 PMAQI
1st Oct 20255111 PMAQI
2nd Oct 20254812 AMAQI
2nd Oct 2025221 AMAQI
2nd Oct 2025242 AMAQI
2nd Oct 2025233 AMAQI
2nd Oct 2025254 AMAQI
2nd Oct 2025225 AMAQI

24°C22/26°C

2nd Oct 2025246 AMAQI
2nd Oct 2025237 AMAQI
2nd Oct 2025228 AMAQI
2nd Oct 2025279 AMAQI
2nd Oct 20252410 AMAQI
2nd Oct 20253211 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025611 PMAQI
2nd Oct 2025502 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025244 PMAQI
2nd Oct 2025195 PMAQI
2nd Oct 2025216 PMAQI
2nd Oct 2025267 PMAQI
2nd Oct 2025268 PMAQI
2nd Oct 2025269 PMAQI
2nd Oct 20254410 PMAQI
2nd Oct 20254011 PMAQI
3rd Oct 20254312 AMAQI
3rd Oct 2025401 AMAQI
3rd Oct 2025472 AMAQI
3rd Oct 2025443 AMAQI
3rd Oct 2025504 AMAQI
3rd Oct 2025355 AMAQI

23°C22/25°C

3rd Oct 2025266 AMAQI
3rd Oct 2025357 AMAQI
3rd Oct 2025438 AMAQI
3rd Oct 2025349 AMAQI
3rd Oct 20253810 AMAQI
3rd Oct 20255811 AMAQI
3rd Oct 20256212 PMAQI
3rd Oct 2025451 PMAQI
3rd Oct 2025282 PMAQI
3rd Oct 2025363 PMAQI
3rd Oct 2025304 PMAQI
3rd Oct 2025345 PMAQI
3rd Oct 2025436 PMAQI
3rd Oct 2025507 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025339 PMAQI
3rd Oct 20252610 PMAQI
3rd Oct 20254111 PMAQI
4th Oct 20254812 AMAQI
4th Oct 2025421 AMAQI
4th Oct 2025282 AMAQI
4th Oct 2025303 AMAQI
4th Oct 2025274 AMAQI
4th Oct 2025275 AMAQI

23°C21/25°C

4th Oct 2025316 AMAQI
6 AM
4th Oct 2025357 AMAQI
4th Oct 2025438 AMAQI
4th Oct 2025419 AMAQI
4th Oct 20253610 AMAQI
4th Oct 20253811 AMAQI
4th Oct 20256212 PMAQI
12 PM
4th Oct 2025521 PMAQI
4th Oct 2025582 PMAQI
6 PM
12 AM
5 AM

24°C22/27°C

Day time
Avg. Highest Time
2 PM

31AQI

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

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 31), while the lowest AQI was between 10 AM to 10 AM (Avg. 23).
Night time
Avg. Highest Time
4 AM

25AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 3 AM

23AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 25), while the lowest AQI was between 12 AM to 3 AM (Avg. 23).

2025 Days Vs Air Quality

Thread, Hilo, Hawaii, United States

2025

95%

261

5%

15

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
261 Days
Moderate
15 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2025, 95% of 278 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

Thread, Hilo, Hawaii, United States

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
44AQI
2nd January 2025
38AQI
3rd January 2025
39AQI
4th January 2025
40AQI
5th January 2025
46AQI
6th January 2025
43AQI
7th January 2025
41AQI
8th January 2025
37AQI
9th January 2025
37AQI
10th January 2025
36AQI
11th January 2025
35AQI
12th January 2025
37AQI
13th January 2025
44AQI
14th January 2025
34AQI
15th January 2025
35AQI
16th January 2025
36AQI
17th January 2025
48AQI
18th January 2025
47AQI
19th January 2025
33AQI
20th January 2025
32AQI
21st January 2025
34AQI
22nd January 2025
34AQI
23rd January 2025
41AQI
24th January 2025
35AQI
25th January 2025
38AQI
26th January 2025
35AQI
27th January 2025
33AQI
28th January 2025
33AQI
29th January 2025
34AQI
30th January 2025
33AQI
31st January 2025
36AQI
1st February 2025
31AQI
2nd February 2025
33AQI
3rd February 2025
30AQI
4th February 2025
31AQI
5th February 2025
35AQI
6th February 2025
37AQI
7th February 2025
32AQI
8th February 2025
33AQI
9th February 2025
32AQI
10th February 2025
33AQI
11th February 2025
36AQI
12th February 2025
36AQI
13th February 2025
40AQI
14th February 2025
40AQI
15th February 2025
40AQI
16th February 2025
33AQI
17th February 2025
37AQI
18th February 2025
33AQI
19th February 2025
33AQI
20th February 2025
36AQI
21st February 2025
33AQI
22nd February 2025
32AQI
23rd February 2025
36AQI
24th February 2025
33AQI
25th February 2025
36AQI
26th February 2025
35AQI
27th February 2025
37AQI
28th February 2025
48AQI
1st March 2025
38AQI
2nd March 2025
35AQI
3rd March 2025
34AQI
4th March 2025
39AQI
5th March 2025
37AQI
6th March 2025
37AQI
7th March 2025
37AQI
8th March 2025
37AQI
9th March 2025
45AQI
10th March 2025
52AQI
11th March 2025
53AQI
12th March 2025
57AQI
13th March 2025
55AQI
14th March 2025
55AQI
15th March 2025
60AQI
16th March 2025
56AQI
17th March 2025
58AQI
18th March 2025
56AQI
19th March 2025
59AQI
20th March 2025
58AQI
21st March 2025
55AQI
22nd March 2025
55AQI
23rd March 2025
54AQI
24th March 2025
54AQI
25th March 2025
36AQI
26th March 2025
36AQI
27th March 2025
28AQI
28th March 2025
38AQI
29th March 2025
28AQI
30th March 2025
28AQI
31st March 2025
28AQI
1st April 2025
26AQI
2nd April 2025
26AQI
3rd April 2025
32AQI
4th April 2025
37AQI
5th April 2025
24AQI
6th April 2025
23AQI
7th April 2025
22AQI
8th April 2025
17AQI
9th April 2025
20AQI
10th April 2025
19AQI
11th April 2025
22AQI
12th April 2025
21AQI
13th April 2025
24AQI
14th April 2025
22AQI
15th April 2025
19AQI
16th April 2025
23AQI
17th April 2025
21AQI
18th April 2025
21AQI
19th April 2025
20AQI
20th April 2025
20AQI
21st April 2025
19AQI
22nd April 2025
18AQI
23rd April 2025
27AQI
24th April 2025
25AQI
25th April 2025
22AQI
26th April 2025
20AQI
27th April 2025
21AQI
28th April 2025
27AQI
29th April 2025
36AQI
30th April 2025
35AQI
1st May 2025
34AQI
2nd May 2025
36AQI
3rd May 2025
34AQI
4th May 2025
34AQI
5th May 2025
24AQI
6th May 2025
25AQI
7th May 2025
21AQI
8th May 2025
24AQI
9th May 2025
23AQI
10th May 2025
24AQI
11th May 2025
23AQI
12th May 2025
23AQI
13th May 2025
20AQI
14th May 2025
23AQI
15th May 2025
26AQI
16th May 2025
21AQI
17th May 2025
20AQI
18th May 2025
20AQI
19th May 2025
22AQI
20th May 2025
18AQI
21st May 2025
19AQI
22nd May 2025
23AQI
23rd May 2025
20AQI
24th May 2025
23AQI
25th May 2025
27AQI
26th May 2025
23AQI
27th May 2025
27AQI
28th May 2025
20AQI
29th May 2025
20AQI
30th May 2025
18AQI
31st May 2025
23AQI
1st June 2025
20AQI
2nd June 2025
20AQI
3rd June 2025
23AQI
4th June 2025
25AQI
5th June 2025
25AQI
6th June 2025
25AQI
7th June 2025
23AQI
8th June 2025
17AQI
9th June 2025
16AQI
10th June 2025
21AQI
11th June 2025
21AQI
12th June 2025
19AQI
13th June 2025
18AQI
14th June 2025
18AQI
15th June 2025
18AQI
16th June 2025
17AQI
17th June 2025
18AQI
18th June 2025
18AQI
19th June 2025
20AQI
20th June 2025
18AQI
21st June 2025
22AQI
22nd June 2025
23AQI
23rd June 2025
20AQI
24th June 2025
17AQI
25th June 2025
17AQI
26th June 2025
16AQI
27th June 2025
17AQI
28th June 2025
19AQI
29th June 2025
19AQI
30th June 2025
20AQI
1st July 2025
19AQI
2nd July 2025
16AQI
3rd July 2025
18AQI
4th July 2025
20AQI
5th July 2025
19AQI
6th July 2025
21AQI
7th July 2025
23AQI
8th July 2025
21AQI
9th July 2025
19AQI
10th July 2025
20AQI
11th July 2025
21AQI
12th July 2025
21AQI
13th July 2025
21AQI
14th July 2025
20AQI
15th July 2025
21AQI
16th July 2025
22AQI
17th July 2025
22AQI
18th July 2025
20AQI
19th July 2025
21AQI
20th July 2025
19AQI
21st July 2025
22AQI
22nd July 2025
23AQI
23rd July 2025
26AQI
24th July 2025
26AQI
25th July 2025
22AQI
26th July 2025
18AQI
27th July 2025
18AQI
28th July 2025
22AQI
29th July 2025
22AQI
30th July 2025
26AQI
31st July 2025
23AQI
1st August 2025
22AQI
2nd August 2025
21AQI
3rd August 2025
23AQI
4th August 2025
27AQI
5th August 2025
26AQI
6th August 2025
27AQI
7th August 2025
23AQI
8th August 2025
23AQI
9th August 2025
21AQI
10th August 2025
27AQI
11th August 2025
26AQI
12th August 2025
24AQI
13th August 2025
23AQI
14th August 2025
23AQI
15th August 2025
20AQI
16th August 2025
26AQI
17th August 2025
23AQI
18th August 2025
20AQI
19th August 2025
22AQI
20th August 2025
23AQI
21st August 2025
33AQI
22nd August 2025
28AQI
23rd August 2025
29AQI
24th August 2025
26AQI
25th August 2025
25AQI
26th August 2025
29AQI
27th August 2025
27AQI
28th August 2025
25AQI
29th August 2025
26AQI
30th August 2025
23AQI
31st August 2025
23AQI
1st September 2025
29AQI
2nd September 2025
23AQI
3rd September 2025
24AQI
4th September 2025
22AQI
5th September 2025
23AQI
6th September 2025
23AQI
7th September 2025
22AQI
8th September 2025
23AQI
9th September 2025
20AQI
10th September 2025
23AQI
11th September 2025
23AQI
12th September 2025
20AQI
13th September 2025
24AQI
14th September 2025
24AQI
15th September 2025
30AQI
16th September 2025
26AQI
17th September 2025
26AQI
18th September 2025
26AQI
19th September 2025
26AQI
20th September 2025
21AQI
21st September 2025
25AQI
22nd September 2025
22AQI
23rd September 2025
25AQI
24th September 2025
24AQI
25th September 2025
22AQI
26th September 2025
27AQI
27th September 2025
21AQI
28th September 2025
17AQI
29th September 2025
18AQI
30th September 2025
19AQI
1st October 2025
29AQI
2nd October 2025
32AQI
3rd October 2025
42AQI
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

38AQI

35AQI

45AQI

24AQI

24AQI

20AQI

21AQI

25AQI

23AQI

34AQI

No. of days

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

202528AQI

31
28
16
15
30
31
30
31
31
30
3
261
15

Highest AQI recorded in

March

45AQI

Lowest AQI recorded in

June

20AQI

202419AQI

31
29
31
30
31
29
31
31
29
1
31
30
31
364
1

Highest AQI recorded in

December

32AQI

Lowest AQI recorded in

August

15AQI

202318AQI

31
28
30
25
31
30
31
31
30
31
29
31
358

Highest AQI recorded in

March

21AQI

Lowest AQI recorded in

December

15AQI

202219AQI

28
20
31
22
31
29
23
2
22
28
26
31
293

Highest AQI recorded in

April

24AQI

Lowest AQI recorded in

August

9AQI

202114AQI

26
28
28
22
31
30
31
29
27
31
30
31
344

Highest AQI recorded in

July

18AQI

Lowest AQI recorded in

April

0AQI

202020AQI

13
20
19
30
31
31
30
31
28
31
264

Highest AQI recorded in

July

24AQI

Lowest AQI recorded in

March

16AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
28AQI
Least Polluted Year Recorded
2021(Avg.)
14AQI

Thread's annual 2025 AQI (28) shows an average percentage change of 61.5% (worsened AQI) compared to previous years: 2020 (20), 2021 (14), 2022 (19), 2023 (18), 2024 (19).