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HistoryAQIPM2.5PM10COSO2NO2O3

Honolulu, 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

Honolulu, Hawaii, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Oct 2024
33AQI
Lowest AQI recorded on
20th Oct 2021
9AQI

Same Day Analysis (2nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025

Honolulu, Hawaii, United States

AQI
Day
Night
.

6 AM2nd Oct 2025

6 PM

5 AM3rd Oct 2025

Day time
Avg. Highest Time
5PM2nd Oct

48AQI

Avg. Lowest Time
6AM2nd Oct

16AQI

Night time
Avg. Highest Time
7PM2nd Oct

44AQI

Avg. Lowest Time
2AM3rd Oct

10AQI

In the last 24 hours,

Honolulu's AQI reached its highest point of 48 at 5 PM during the Day, while the lowest point, 10, was recorded at 2 AM during the Night between 2nd Oct and 3rd Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Honolulu, Hawaii, United States

SepOct
03rd - 04th04th - 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
3rd Sep 2025186 AMAQI
3rd Sep 2025207 AMAQI
3rd Sep 2025228 AMAQI
3rd Sep 2025219 AMAQI
3rd Sep 20252010 AMAQI
3rd Sep 20252011 AMAQI
3rd Sep 20251912 PMAQI
3rd Sep 2025191 PMAQI
3rd Sep 2025222 PMAQI
3rd Sep 2025213 PMAQI
3rd Sep 2025244 PMAQI
3rd Sep 2025235 PMAQI
3rd Sep 2025246 PMAQI
3rd Sep 2025197 PMAQI
3rd Sep 2025228 PMAQI
3rd Sep 2025249 PMAQI
3rd Sep 20252410 PMAQI
3rd Sep 20252411 PMAQI
4th Sep 20252312 AMAQI
4th Sep 2025211 AMAQI
4th Sep 2025222 AMAQI
4th Sep 2025203 AMAQI
4th Sep 2025194 AMAQI
4th Sep 2025165 AMAQI

26°C25/27°C

4th Sep 2025186 AMAQI
4th Sep 2025207 AMAQI
4th Sep 2025168 AMAQI
4th Sep 2025169 AMAQI
4th Sep 20251510 AMAQI
4th Sep 20251511 AMAQI
4th Sep 20251812 PMAQI
4th Sep 2025211 PMAQI
4th Sep 2025212 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025224 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025226 PMAQI
4th Sep 2025227 PMAQI
4th Sep 2025218 PMAQI
4th Sep 2025209 PMAQI
4th Sep 20251810 PMAQI
4th Sep 20251911 PMAQI
5th Sep 20251912 AMAQI
5th Sep 2025221 AMAQI
5th Sep 2025222 AMAQI
5th Sep 2025223 AMAQI
5th Sep 2025234 AMAQI
5th Sep 2025275 AMAQI

26°C25/27°C

5th Sep 2025206 AMAQI
5th Sep 2025187 AMAQI
5th Sep 2025188 AMAQI
5th Sep 2025199 AMAQI
5th Sep 20251810 AMAQI
5th Sep 20251811 AMAQI
5th Sep 20252012 PMAQI
5th Sep 2025171 PMAQI
5th Sep 2025162 PMAQI
5th Sep 2025173 PMAQI
5th Sep 2025184 PMAQI
5th Sep 2025185 PMAQI
5th Sep 2025166 PMAQI
5th Sep 2025187 PMAQI
5th Sep 2025218 PMAQI
5th Sep 2025209 PMAQI
5th Sep 20251910 PMAQI
5th Sep 20251811 PMAQI
6th Sep 20251712 AMAQI
6th Sep 2025161 AMAQI
6th Sep 2025192 AMAQI
6th Sep 2025193 AMAQI
6th Sep 2025224 AMAQI
6th Sep 2025165 AMAQI

26°C25/27°C

6th Sep 2025186 AMAQI
6th Sep 2025177 AMAQI
6th Sep 2025168 AMAQI
6th Sep 2025169 AMAQI
6th Sep 20251710 AMAQI
6th Sep 20251811 AMAQI
6th Sep 20251712 PMAQI
6th Sep 2025171 PMAQI
6th Sep 2025182 PMAQI
6th Sep 2025183 PMAQI
6th Sep 2025194 PMAQI
6th Sep 2025235 PMAQI
6th Sep 2025196 PMAQI
6th Sep 2025197 PMAQI
6th Sep 2025198 PMAQI
6th Sep 2025209 PMAQI
6th Sep 20252010 PMAQI
6th Sep 20252111 PMAQI
7th Sep 20252012 AMAQI
7th Sep 2025201 AMAQI
7th Sep 2025202 AMAQI
7th Sep 2025213 AMAQI
7th Sep 2025224 AMAQI
7th Sep 2025195 AMAQI

26°C25/28°C

7th Sep 2025186 AMAQI
7th Sep 2025197 AMAQI
7th Sep 2025218 AMAQI
7th Sep 2025189 AMAQI
7th Sep 20251810 AMAQI
7th Sep 20251811 AMAQI
7th Sep 20251812 PMAQI
7th Sep 2025181 PMAQI
7th Sep 2025202 PMAQI
7th Sep 2025233 PMAQI
7th Sep 2025224 PMAQI
7th Sep 2025275 PMAQI
7th Sep 2025236 PMAQI
7th Sep 2025197 PMAQI
7th Sep 2025198 PMAQI
7th Sep 2025199 PMAQI
7th Sep 20252210 PMAQI
7th Sep 20252011 PMAQI
8th Sep 20252012 AMAQI
8th Sep 2025221 AMAQI
8th Sep 2025232 AMAQI
8th Sep 2025233 AMAQI
8th Sep 2025224 AMAQI
8th Sep 2025265 AMAQI

26°C24/27°C

8th Sep 2025256 AMAQI
8th Sep 2025237 AMAQI
8th Sep 2025248 AMAQI
8th Sep 2025229 AMAQI
8th Sep 20252110 AMAQI
8th Sep 20252311 AMAQI
8th Sep 20252212 PMAQI
8th Sep 2025221 PMAQI
8th Sep 2025272 PMAQI
8th Sep 2025273 PMAQI
8th Sep 2025274 PMAQI
8th Sep 2025225 PMAQI
8th Sep 2025196 PMAQI
8th Sep 2025217 PMAQI
8th Sep 2025208 PMAQI
8th Sep 2025199 PMAQI
8th Sep 20251710 PMAQI
8th Sep 20251811 PMAQI
9th Sep 20251812 AMAQI
9th Sep 2025161 AMAQI
9th Sep 2025182 AMAQI
9th Sep 2025193 AMAQI
9th Sep 2025194 AMAQI
9th Sep 2025195 AMAQI

26°C25/27°C

9th Sep 2025186 AMAQI
9th Sep 2025187 AMAQI
9th Sep 2025188 AMAQI
9th Sep 2025179 AMAQI
9th Sep 20252110 AMAQI
9th Sep 20252211 AMAQI
9th Sep 20252212 PMAQI
9th Sep 2025261 PMAQI
9th Sep 2025312 PMAQI
9th Sep 2025313 PMAQI
9th Sep 2025324 PMAQI
9th Sep 2025305 PMAQI
9th Sep 2025246 PMAQI
9th Sep 2025187 PMAQI
9th Sep 2025228 PMAQI
9th Sep 2025259 PMAQI
9th Sep 20252510 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252112 AMAQI
10th Sep 2025181 AMAQI
10th Sep 2025172 AMAQI
10th Sep 2025203 AMAQI
10th Sep 2025184 AMAQI
10th Sep 2025255 AMAQI

26°C25/28°C

10th Sep 2025186 AMAQI
10th Sep 2025157 AMAQI
10th Sep 2025188 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20251910 AMAQI
10th Sep 20252011 AMAQI
10th Sep 20252412 PMAQI
10th Sep 2025171 PMAQI
10th Sep 2025192 PMAQI
10th Sep 2025203 PMAQI
10th Sep 2025224 PMAQI
10th Sep 2025215 PMAQI
10th Sep 2025226 PMAQI
10th Sep 2025197 PMAQI
10th Sep 2025228 PMAQI
10th Sep 2025269 PMAQI
10th Sep 20252710 PMAQI
10th Sep 20252711 PMAQI
11th Sep 20252612 AMAQI
11th Sep 2025251 AMAQI
11th Sep 2025272 AMAQI
11th Sep 2025293 AMAQI
11th Sep 2025384 AMAQI
11th Sep 2025315 AMAQI

26°C25/27°C

11th Sep 2025296 AMAQI
11th Sep 2025257 AMAQI
11th Sep 2025258 AMAQI
11th Sep 2025269 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252611 AMAQI
11th Sep 20252612 PMAQI
11th Sep 2025261 PMAQI
11th Sep 2025262 PMAQI
11th Sep 2025243 PMAQI
11th Sep 2025214 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025236 PMAQI
11th Sep 2025267 PMAQI
11th Sep 2025248 PMAQI
11th Sep 2025239 PMAQI
11th Sep 20252210 PMAQI
11th Sep 20252111 PMAQI
12th Sep 20252212 AMAQI
12th Sep 2025211 AMAQI
12th Sep 2025202 AMAQI
12th Sep 2025233 AMAQI
12th Sep 2025264 AMAQI
12th Sep 2025245 AMAQI

26°C25/27°C

12th Sep 2025226 AMAQI
12th Sep 2025207 AMAQI
12th Sep 2025198 AMAQI
12th Sep 2025199 AMAQI
12th Sep 20251910 AMAQI
12th Sep 20252011 AMAQI
12th Sep 20252012 PMAQI
12th Sep 2025231 PMAQI
12th Sep 2025262 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025296 PMAQI
12th Sep 2025227 PMAQI
12th Sep 2025228 PMAQI
12th Sep 2025229 PMAQI
12th Sep 20252310 PMAQI
12th Sep 20252311 PMAQI
13th Sep 20252412 AMAQI
13th Sep 2025221 AMAQI
13th Sep 2025232 AMAQI
13th Sep 2025223 AMAQI
13th Sep 2025204 AMAQI
13th Sep 2025215 AMAQI

26°C25/27°C

13th Sep 2025236 AMAQI
13th Sep 2025237 AMAQI
13th Sep 2025238 AMAQI
13th Sep 2025239 AMAQI
13th Sep 20252110 AMAQI
13th Sep 20252311 AMAQI
13th Sep 20252212 PMAQI
13th Sep 2025201 PMAQI
13th Sep 2025232 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025284 PMAQI
13th Sep 2025305 PMAQI
13th Sep 2025286 PMAQI
13th Sep 2025237 PMAQI
13th Sep 2025228 PMAQI
13th Sep 2025239 PMAQI
13th Sep 20252310 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20252612 AMAQI
14th Sep 2025251 AMAQI
14th Sep 2025282 AMAQI
14th Sep 2025253 AMAQI
14th Sep 2025244 AMAQI
14th Sep 2025255 AMAQI

26°C25/27°C

14th Sep 2025246 AMAQI
14th Sep 2025247 AMAQI
14th Sep 2025238 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252310 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252112 PMAQI
14th Sep 2025251 PMAQI
14th Sep 2025302 PMAQI
14th Sep 2025283 PMAQI
14th Sep 2025274 PMAQI
14th Sep 2025275 PMAQI
14th Sep 2025266 PMAQI
14th Sep 2025247 PMAQI
14th Sep 2025218 PMAQI
14th Sep 2025269 PMAQI
14th Sep 20253010 PMAQI
14th Sep 20252311 PMAQI
15th Sep 20252312 AMAQI
15th Sep 2025251 AMAQI
15th Sep 2025252 AMAQI
15th Sep 2025263 AMAQI
15th Sep 2025324 AMAQI
15th Sep 2025285 AMAQI

26°C25/27°C

15th Sep 2025276 AMAQI
15th Sep 2025427 AMAQI
15th Sep 2025478 AMAQI
15th Sep 2025439 AMAQI
15th Sep 20252710 AMAQI
15th Sep 20252811 AMAQI
15th Sep 20252612 PMAQI
15th Sep 2025311 PMAQI
15th Sep 2025332 PMAQI
15th Sep 2025293 PMAQI
15th Sep 2025334 PMAQI
15th Sep 2025335 PMAQI
15th Sep 2025356 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20252810 PMAQI
15th Sep 20252711 PMAQI
16th Sep 20252512 AMAQI
16th Sep 2025261 AMAQI
16th Sep 2025272 AMAQI
16th Sep 2025303 AMAQI
16th Sep 2025304 AMAQI
16th Sep 2025275 AMAQI

26°C25/27°C

16th Sep 2025286 AMAQI
16th Sep 2025297 AMAQI
16th Sep 2025288 AMAQI
16th Sep 2025329 AMAQI
16th Sep 20253010 AMAQI
16th Sep 20253011 AMAQI
16th Sep 20252612 PMAQI
16th Sep 2025251 PMAQI
16th Sep 2025282 PMAQI
16th Sep 2025273 PMAQI
16th Sep 2025274 PMAQI
16th Sep 2025245 PMAQI
16th Sep 2025246 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025288 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20252110 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20251912 AMAQI
17th Sep 2025221 AMAQI
17th Sep 2025202 AMAQI
17th Sep 2025193 AMAQI
17th Sep 2025244 AMAQI
17th Sep 2025235 AMAQI

26°C25/27°C

17th Sep 2025226 AMAQI
17th Sep 2025217 AMAQI
17th Sep 2025218 AMAQI
17th Sep 2025219 AMAQI
17th Sep 20252110 AMAQI
17th Sep 20252211 AMAQI
17th Sep 20252312 PMAQI
17th Sep 2025221 PMAQI
17th Sep 2025222 PMAQI
17th Sep 2025253 PMAQI
17th Sep 2025254 PMAQI
17th Sep 2025265 PMAQI
17th Sep 2025266 PMAQI
17th Sep 2025237 PMAQI
17th Sep 2025238 PMAQI
17th Sep 2025259 PMAQI
17th Sep 20252110 PMAQI
17th Sep 20252011 PMAQI
18th Sep 20252212 AMAQI
18th Sep 2025191 AMAQI
18th Sep 2025232 AMAQI
18th Sep 2025273 AMAQI
18th Sep 2025264 AMAQI
18th Sep 2025215 AMAQI

26°C25/27°C

18th Sep 2025236 AMAQI
18th Sep 2025247 AMAQI
18th Sep 2025268 AMAQI
18th Sep 2025259 AMAQI
18th Sep 20252410 AMAQI
18th Sep 20252611 AMAQI
18th Sep 20252412 PMAQI
18th Sep 2025251 PMAQI
18th Sep 2025272 PMAQI
18th Sep 2025303 PMAQI
18th Sep 2025264 PMAQI
18th Sep 2025245 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025247 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025249 PMAQI
18th Sep 20252310 PMAQI
18th Sep 20252411 PMAQI
19th Sep 20252312 AMAQI
19th Sep 2025221 AMAQI
19th Sep 2025242 AMAQI
19th Sep 2025253 AMAQI
19th Sep 2025234 AMAQI
19th Sep 2025225 AMAQI

26°C25/27°C

19th Sep 2025236 AMAQI
19th Sep 2025227 AMAQI
19th Sep 2025228 AMAQI
19th Sep 2025239 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252312 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025212 PMAQI
19th Sep 2025253 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025215 PMAQI
19th Sep 2025216 PMAQI
19th Sep 2025237 PMAQI
19th Sep 2025228 PMAQI
19th Sep 2025229 PMAQI
19th Sep 20252210 PMAQI
19th Sep 20252211 PMAQI
20th Sep 20252312 AMAQI
20th Sep 2025201 AMAQI
20th Sep 2025232 AMAQI
20th Sep 2025243 AMAQI
20th Sep 2025264 AMAQI
20th Sep 2025265 AMAQI

26°C25/27°C

20th Sep 2025256 AMAQI
20th Sep 2025267 AMAQI
20th Sep 2025258 AMAQI
20th Sep 2025279 AMAQI
20th Sep 20253010 AMAQI
20th Sep 20253311 AMAQI
20th Sep 20253312 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025312 PMAQI
20th Sep 2025273 PMAQI
20th Sep 2025254 PMAQI
20th Sep 2025235 PMAQI
20th Sep 2025246 PMAQI
20th Sep 2025257 PMAQI
20th Sep 2025258 PMAQI
20th Sep 2025239 PMAQI
20th Sep 20252310 PMAQI
20th Sep 20252111 PMAQI
21st Sep 20252012 AMAQI
21st Sep 2025211 AMAQI
21st Sep 2025222 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025334 AMAQI
21st Sep 2025325 AMAQI

26°C25/27°C

21st Sep 2025276 AMAQI
21st Sep 2025267 AMAQI
21st Sep 2025228 AMAQI
21st Sep 2025249 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20252211 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025212 PMAQI
21st Sep 2025233 PMAQI
21st Sep 2025234 PMAQI
21st Sep 2025235 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025257 PMAQI
21st Sep 2025248 PMAQI
21st Sep 2025249 PMAQI
21st Sep 20252610 PMAQI
21st Sep 20252511 PMAQI
22nd Sep 20252512 AMAQI
22nd Sep 2025231 AMAQI
22nd Sep 2025272 AMAQI
22nd Sep 2025263 AMAQI
22nd Sep 2025244 AMAQI
22nd Sep 2025235 AMAQI

26°C25/27°C

22nd Sep 2025216 AMAQI
22nd Sep 2025227 AMAQI
22nd Sep 2025218 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20252511 AMAQI
22nd Sep 20252512 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025262 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025255 PMAQI
22nd Sep 2025266 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025248 PMAQI
22nd Sep 2025229 PMAQI
22nd Sep 20252310 PMAQI
22nd Sep 20252211 PMAQI
23rd Sep 20252212 AMAQI
23rd Sep 2025201 AMAQI
23rd Sep 2025232 AMAQI
23rd Sep 2025243 AMAQI
23rd Sep 2025254 AMAQI
23rd Sep 2025325 AMAQI

25°C25/27°C

23rd Sep 2025316 AMAQI
23rd Sep 2025297 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252610 AMAQI
23rd Sep 20252711 AMAQI
23rd Sep 20253112 PMAQI
23rd Sep 2025311 PMAQI
23rd Sep 2025302 PMAQI
23rd Sep 2025343 PMAQI
23rd Sep 2025304 PMAQI
23rd Sep 2025305 PMAQI
23rd Sep 2025306 PMAQI
23rd Sep 2025267 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025259 PMAQI
23rd Sep 20252310 PMAQI
23rd Sep 20252211 PMAQI
24th Sep 20252312 AMAQI
24th Sep 2025221 AMAQI
24th Sep 2025262 AMAQI
24th Sep 2025243 AMAQI
24th Sep 2025254 AMAQI
24th Sep 2025225 AMAQI

25°C24/27°C

24th Sep 2025206 AMAQI
24th Sep 2025207 AMAQI
24th Sep 2025198 AMAQI
24th Sep 2025219 AMAQI
24th Sep 20252510 AMAQI
24th Sep 20252411 AMAQI
24th Sep 20252112 PMAQI
24th Sep 2025201 PMAQI
24th Sep 2025212 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025244 PMAQI
24th Sep 2025235 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025237 PMAQI
24th Sep 2025238 PMAQI
24th Sep 2025249 PMAQI
24th Sep 20252510 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252012 AMAQI
25th Sep 2025171 AMAQI
25th Sep 2025162 AMAQI
25th Sep 2025173 AMAQI
25th Sep 2025164 AMAQI
25th Sep 2025165 AMAQI

26°C24/27°C

25th Sep 2025166 AMAQI
25th Sep 2025147 AMAQI
25th Sep 2025168 AMAQI
25th Sep 2025189 AMAQI
25th Sep 20251810 AMAQI
25th Sep 20252111 AMAQI
25th Sep 20252112 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025222 PMAQI
25th Sep 2025253 PMAQI
25th Sep 2025214 PMAQI
25th Sep 2025205 PMAQI
25th Sep 2025206 PMAQI
25th Sep 2025207 PMAQI
25th Sep 2025208 PMAQI
25th Sep 2025219 PMAQI
25th Sep 20252410 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20251812 AMAQI
26th Sep 2025161 AMAQI
26th Sep 2025162 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025204 AMAQI
26th Sep 2025205 AMAQI

25°C24/26°C

26th Sep 2025196 AMAQI
26th Sep 2025177 AMAQI
26th Sep 2025178 AMAQI
26th Sep 2025179 AMAQI
26th Sep 20251710 AMAQI
26th Sep 20251811 AMAQI
26th Sep 20251912 PMAQI
26th Sep 2025191 PMAQI
26th Sep 2025172 PMAQI
26th Sep 2025173 PMAQI
26th Sep 2025224 PMAQI
26th Sep 2025235 PMAQI
26th Sep 2025236 PMAQI
26th Sep 2025227 PMAQI
26th Sep 2025198 PMAQI
26th Sep 2025149 PMAQI
26th Sep 20251510 PMAQI
26th Sep 20251811 PMAQI
27th Sep 20251512 AMAQI
27th Sep 2025131 AMAQI
27th Sep 2025172 AMAQI
27th Sep 2025193 AMAQI
27th Sep 2025244 AMAQI
27th Sep 2025185 AMAQI

26°C25/27°C

27th Sep 2025176 AMAQI
27th Sep 2025177 AMAQI
27th Sep 2025118 AMAQI
27th Sep 2025119 AMAQI
27th Sep 20251110 AMAQI
27th Sep 20251911 AMAQI
27th Sep 20251512 PMAQI
27th Sep 2025181 PMAQI
27th Sep 2025282 PMAQI
27th Sep 2025273 PMAQI
27th Sep 2025194 PMAQI
27th Sep 2025215 PMAQI
27th Sep 2025166 PMAQI
27th Sep 2025157 PMAQI
27th Sep 2025128 PMAQI
27th Sep 2025139 PMAQI
27th Sep 20251510 PMAQI
27th Sep 20251311 PMAQI
28th Sep 20251512 AMAQI
28th Sep 2025111 AMAQI
28th Sep 2025112 AMAQI
28th Sep 2025103 AMAQI
28th Sep 2025114 AMAQI
28th Sep 2025125 AMAQI

26°C25/28°C

28th Sep 2025146 AMAQI
28th Sep 2025127 AMAQI
28th Sep 2025118 AMAQI
28th Sep 2025139 AMAQI
28th Sep 20251310 AMAQI
28th Sep 20251311 AMAQI
28th Sep 20251212 PMAQI
28th Sep 2025131 PMAQI
28th Sep 2025182 PMAQI
28th Sep 2025193 PMAQI
28th Sep 2025184 PMAQI
28th Sep 2025205 PMAQI
28th Sep 2025196 PMAQI
28th Sep 2025177 PMAQI
28th Sep 2025208 PMAQI
28th Sep 2025209 PMAQI
28th Sep 20251710 PMAQI
28th Sep 20251611 PMAQI
29th Sep 20251312 AMAQI
29th Sep 2025141 AMAQI
29th Sep 2025142 AMAQI
29th Sep 2025163 AMAQI
29th Sep 2025134 AMAQI
29th Sep 2025135 AMAQI

26°C25/27°C

29th Sep 2025156 AMAQI
29th Sep 2025187 AMAQI
29th Sep 2025198 AMAQI
29th Sep 2025259 AMAQI
29th Sep 20252210 AMAQI
29th Sep 20252711 AMAQI
29th Sep 20251912 PMAQI
29th Sep 2025211 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025213 PMAQI
29th Sep 2025284 PMAQI
29th Sep 2025395 PMAQI
29th Sep 2025356 PMAQI
29th Sep 2025277 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025219 PMAQI
29th Sep 20251910 PMAQI
29th Sep 20251811 PMAQI
30th Sep 20251912 AMAQI
30th Sep 2025161 AMAQI
30th Sep 2025202 AMAQI
30th Sep 2025153 AMAQI
30th Sep 2025174 AMAQI
30th Sep 2025205 AMAQI

26°C25/27°C

30th Sep 2025186 AMAQI
30th Sep 2025177 AMAQI
30th Sep 2025158 AMAQI
30th Sep 2025209 AMAQI
30th Sep 20252110 AMAQI
30th Sep 20251311 AMAQI
30th Sep 20251212 PMAQI
30th Sep 2025141 PMAQI
30th Sep 2025142 PMAQI
30th Sep 2025153 PMAQI
30th Sep 2025144 PMAQI
30th Sep 2025175 PMAQI
30th Sep 2025226 PMAQI
30th Sep 2025177 PMAQI
30th Sep 2025198 PMAQI
30th Sep 2025259 PMAQI
30th Sep 20251610 PMAQI
30th Sep 20252011 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025281 AMAQI
1st Oct 2025202 AMAQI
1st Oct 2025183 AMAQI
1st Oct 2025184 AMAQI
1st Oct 2025155 AMAQI

26°C25/27°C

1st Oct 2025116 AMAQI
1st Oct 2025167 AMAQI
1st Oct 2025308 AMAQI
1st Oct 2025309 AMAQI
1st Oct 20252110 AMAQI
1st Oct 20252111 AMAQI
1st Oct 20253212 PMAQI
1st Oct 2025251 PMAQI
1st Oct 202572 PMAQI
1st Oct 2025203 PMAQI
1st Oct 2025254 PMAQI
1st Oct 2025235 PMAQI
1st Oct 2025226 PMAQI
1st Oct 2025337 PMAQI
1st Oct 2025318 PMAQI
1st Oct 2025269 PMAQI
1st Oct 2025610 PMAQI
1st Oct 2025611 PMAQI
2nd Oct 2025612 AMAQI
2nd Oct 202561 AMAQI
2nd Oct 202562 AMAQI
2nd Oct 202563 AMAQI
2nd Oct 2025164 AMAQI
2nd Oct 2025285 AMAQI

26°C25/27°C

2nd Oct 2025166 AMAQI
2nd Oct 2025397 AMAQI
2nd Oct 2025358 AMAQI
2nd Oct 2025279 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20253711 AMAQI
2nd Oct 20254012 PMAQI
2nd Oct 2025371 PMAQI
2nd Oct 2025352 PMAQI
2nd Oct 2025353 PMAQI
2nd Oct 2025384 PMAQI
2nd Oct 2025485 PMAQI
2nd Oct 2025466 PMAQI
2nd Oct 2025447 PMAQI
2nd Oct 2025398 PMAQI
2nd Oct 2025119 PMAQI
2nd Oct 20251710 PMAQI
2nd Oct 20252811 PMAQI
3rd Oct 20251712 AMAQI
3rd Oct 2025211 AMAQI
3rd Oct 2025102 AMAQI
3rd Oct 2025113 AMAQI
3rd Oct 2025204 AMAQI
3rd Oct 2025445 AMAQI

26°C25/27°C

3rd Oct 2025536 AMAQI
6 AM
3rd Oct 2025557 AMAQI
3rd Oct 2025538 AMAQI
3rd Oct 2025409 AMAQI
3rd Oct 20252810 AMAQI
3rd Oct 20255111 AMAQI
3rd Oct 20255212 PMAQI
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
4 PM - 6 PM

25AQI

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

22AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 25), while the lowest AQI was between 6 AM to 6 AM (Avg. 22).
Night time
Avg. Highest Time
5 AM - 8 PM

23AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 2 AM

20AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 23), while the lowest AQI was between 12 AM to 2 AM (Avg. 20).

2025 Days Vs Air Quality

Honolulu, Hawaii, United States

2025

96%

264

4%

11

Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)

Good
264 Days
Moderate
11 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 96%

Health Risk Level:

Very Low

In 2025, 96% of 276 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

Honolulu, 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
64AQI
2nd January 2025
45AQI
3rd January 2025
51AQI
4th January 2025
51AQI
5th January 2025
57AQI
6th January 2025
37AQI
7th January 2025
43AQI
8th January 2025
41AQI
9th January 2025
40AQI
10th January 2025
36AQI
11th January 2025
34AQI
12th January 2025
32AQI
13th January 2025
48AQI
14th January 2025
38AQI
15th January 2025
39AQI
16th January 2025
38AQI
17th January 2025
38AQI
18th January 2025
35AQI
19th January 2025
33AQI
20th January 2025
32AQI
21st January 2025
31AQI
22nd January 2025
38AQI
23rd January 2025
38AQI
24th January 2025
40AQI
25th January 2025
46AQI
26th January 2025
36AQI
27th January 2025
32AQI
28th January 2025
30AQI
29th January 2025
35AQI
30th January 2025
42AQI
31st January 2025
43AQI
1st February 2025
39AQI
2nd February 2025
37AQI
3rd February 2025
33AQI
4th February 2025
32AQI
5th February 2025
36AQI
6th February 2025
34AQI
7th February 2025
45AQI
8th February 2025
37AQI
9th February 2025
34AQI
10th February 2025
40AQI
11th February 2025
38AQI
12th February 2025
41AQI
13th February 2025
49AQI
14th February 2025
38AQI
15th February 2025
37AQI
16th February 2025
36AQI
17th February 2025
38AQI
18th February 2025
30AQI
19th February 2025
33AQI
20th February 2025
41AQI
21st February 2025
36AQI
22nd February 2025
40AQI
23rd February 2025
39AQI
24th February 2025
42AQI
25th February 2025
44AQI
26th February 2025
37AQI
27th February 2025
45AQI
28th February 2025
43AQI
1st March 2025
41AQI
2nd March 2025
39AQI
3rd March 2025
32AQI
4th March 2025
34AQI
5th March 2025
39AQI
6th March 2025
38AQI
7th March 2025
36AQI
8th March 2025
36AQI
9th March 2025
46AQI
10th March 2025
62AQI
11th March 2025
53AQI
12th March 2025
47AQI
13th March 2025
48AQI
14th March 2025
47AQI
15th March 2025
44AQI
16th March 2025
50AQI
17th March 2025
54AQI
18th March 2025
53AQI
19th March 2025
52AQI
20th March 2025
53AQI
21st March 2025
56AQI
22nd March 2025
50AQI
23rd March 2025
47AQI
24th March 2025
44AQI
25th March 2025
26AQI
26th March 2025
23AQI
27th March 2025
26AQI
28th March 2025
46AQI
29th March 2025
36AQI
30th March 2025
46AQI
31st March 2025
34AQI
1st April 2025
35AQI
2nd April 2025
33AQI
3rd April 2025
37AQI
4th April 2025
47AQI
5th April 2025
30AQI
6th April 2025
22AQI
7th April 2025
25AQI
8th April 2025
23AQI
9th April 2025
19AQI
10th April 2025
19AQI
11th April 2025
25AQI
12th April 2025
21AQI
13th April 2025
27AQI
14th April 2025
23AQI
15th April 2025
24AQI
16th April 2025
22AQI
17th April 2025
21AQI
18th April 2025
23AQI
19th April 2025
22AQI
20th April 2025
21AQI
21st April 2025
22AQI
22nd April 2025
19AQI
23rd April 2025
31AQI
24th April 2025
36AQI
25th April 2025
49AQI
26th April 2025
39AQI
27th April 2025
40AQI
28th April 2025
36AQI
29th April 2025
35AQI
30th April 2025
27AQI
1st May 2025
25AQI
2nd May 2025
27AQI
3rd May 2025
22AQI
4th May 2025
23AQI
5th May 2025
28AQI
6th May 2025
25AQI
7th May 2025
23AQI
8th May 2025
21AQI
9th May 2025
23AQI
10th May 2025
26AQI
11th May 2025
30AQI
12th May 2025
24AQI
13th May 2025
26AQI
14th May 2025
23AQI
15th May 2025
26AQI
16th May 2025
26AQI
17th May 2025
28AQI
18th May 2025
34AQI
19th May 2025
25AQI
20th May 2025
22AQI
21st May 2025
21AQI
22nd May 2025
22AQI
23rd May 2025
25AQI
24th May 2025
27AQI
25th May 2025
27AQI
26th May 2025
27AQI
27th May 2025
27AQI
28th May 2025
24AQI
29th May 2025
21AQI
30th May 2025
23AQI
31st May 2025
23AQI
1st June 2025
22AQI
2nd June 2025
27AQI
3rd June 2025
27AQI
4th June 2025
26AQI
5th June 2025
25AQI
6th June 2025
32AQI
7th June 2025
19AQI
8th June 2025
19AQI
9th June 2025
18AQI
10th June 2025
18AQI
11th June 2025
20AQI
12th June 2025
19AQI
13th June 2025
21AQI
14th June 2025
22AQI
15th June 2025
24AQI
16th June 2025
24AQI
17th June 2025
23AQI
18th June 2025
25AQI
19th June 2025
24AQI
20th June 2025
22AQI
21st June 2025
22AQI
22nd June 2025
26AQI
23rd June 2025
28AQI
24th June 2025
21AQI
25th June 2025
18AQI
26th June 2025
20AQI
27th June 2025
21AQI
28th June 2025
25AQI
29th June 2025
23AQI
30th June 2025
21AQI
1st July 2025
22AQI
2nd July 2025
18AQI
3rd July 2025
22AQI
4th July 2025
22AQI
5th July 2025
25AQI
6th July 2025
24AQI
7th July 2025
29AQI
8th July 2025
24AQI
9th July 2025
23AQI
10th July 2025
24AQI
11th July 2025
23AQI
12th July 2025
21AQI
13th July 2025
23AQI
14th July 2025
23AQI
15th July 2025
21AQI
16th July 2025
22AQI
17th July 2025
21AQI
18th July 2025
20AQI
19th July 2025
22AQI
20th July 2025
21AQI
21st July 2025
24AQI
22nd July 2025
23AQI
23rd July 2025
30AQI
24th July 2025
28AQI
25th July 2025
19AQI
26th July 2025
18AQI
27th July 2025
19AQI
28th July 2025
21AQI
29th July 2025
22AQI
30th July 2025
30AQI
31st July 2025
23AQI
1st August 2025
22AQI
2nd August 2025
20AQI
3rd August 2025
24AQI
4th August 2025
28AQI
5th August 2025
25AQI
6th August 2025
22AQI
7th August 2025
23AQI
8th August 2025
29AQI
9th August 2025
24AQI
10th August 2025
24AQI
11th August 2025
24AQI
12th August 2025
22AQI
13th August 2025
21AQI
14th August 2025
18AQI
15th August 2025
17AQI
16th August 2025
19AQI
17th August 2025
18AQI
18th August 2025
21AQI
19th August 2025
21AQI
20th August 2025
21AQI
21st August 2025
24AQI
22nd August 2025
26AQI
23rd August 2025
30AQI
24th August 2025
29AQI
25th August 2025
24AQI
26th August 2025
29AQI
27th August 2025
28AQI
28th August 2025
25AQI
29th August 2025
22AQI
30th August 2025
21AQI
31st August 2025
25AQI
1st September 2025
23AQI
2nd September 2025
22AQI
3rd September 2025
21AQI
4th September 2025
19AQI
5th September 2025
20AQI
6th September 2025
19AQI
7th September 2025
20AQI
8th September 2025
22AQI
9th September 2025
22AQI
10th September 2025
21AQI
11th September 2025
26AQI
12th September 2025
23AQI
13th September 2025
23AQI
14th September 2025
25AQI
15th September 2025
30AQI
16th September 2025
27AQI
17th September 2025
22AQI
18th September 2025
24AQI
19th September 2025
23AQI
20th September 2025
25AQI
21st September 2025
24AQI
22nd September 2025
24AQI
23rd September 2025
27AQI
24th September 2025
23AQI
25th September 2025
19AQI
26th September 2025
18AQI
27th September 2025
17AQI
28th September 2025
15AQI
29th September 2025
21AQI
30th September 2025
18AQI
1st October 2025
21AQI
2nd October 2025
24AQI
3rd October 2025
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

40AQI

38AQI

43AQI

28AQI

25AQI

23AQI

23AQI

23AQI

22AQI

23AQI

No. of days

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

202529AQI

27
4
28
24
7
30
31
30
31
31
30
2
264
11

Highest AQI recorded in

March

43AQI

Lowest AQI recorded in

September

22AQI

202421AQI

31
29
31
30
31
30
31
31
30
31
30
30
1
365
1

Highest AQI recorded in

December

41AQI

Lowest AQI recorded in

July

14AQI

202322AQI

30
1
28
31
29
31
30
31
30
1
30
31
29
31
361
2

Highest AQI recorded in

February

28AQI

Lowest AQI recorded in

October

15AQI

202220AQI

30
22
31
22
31
29
22
3
29
28
30
31
308

Highest AQI recorded in

April

25AQI

Lowest AQI recorded in

August

11AQI

202119AQI

27
28
31
30
31
30
31
29
26
31
30
31
355

Highest AQI recorded in

March

24AQI

Lowest AQI recorded in

June

15AQI

202019AQI

13
20
19
30
31
31
30
31
30
31
266

Highest AQI recorded in

March

22AQI

Lowest AQI recorded in

August

16AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
29AQI
Least Polluted Year Recorded
2020(Avg.)
19AQI

Honolulu's annual 2025 AQI (29) shows an average percentage change of 47.4% (worsened AQI) compared to previous years: 2020 (19), 2021 (19), 2022 (20), 2023 (22), 2024 (21).