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+
August Air Quality Analysis
Hilo, Hawaii, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Aug 2023
37AQILowest AQI recorded on
30th Aug 2022
8AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Hilo, Hawaii, United States
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
3PM4th Aug
41AQI
Avg. Lowest Time
8AM4th Aug
22AQI
Night time
Avg. Highest Time
8PM4th Aug
25AQI
Avg. Lowest Time
3AM5th Aug
22AQI
In the last 24 hours,
Hilo's AQI reached its highest point of 41 at 3 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hilo, Hawaii, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025215 AMAQI
6th Jul 2025196 AMAQI
6th Jul 2025227 AMAQI
6th Jul 2025238 AMAQI
6th Jul 2025229 AMAQI
6th Jul 20252410 AMAQI
6th Jul 20252311 AMAQI
6th Jul 20252212 PMAQI
6th Jul 2025191 PMAQI
6th Jul 2025202 PMAQI
6th Jul 2025243 PMAQI
6th Jul 2025244 PMAQI
6th Jul 2025265 PMAQI
6th Jul 2025246 PMAQI
6th Jul 2025217 PMAQI
6th Jul 2025208 PMAQI
6th Jul 2025189 PMAQI
6th Jul 20252410 PMAQI
6th Jul 20252311 PMAQI
7th Jul 20252212 AMAQI
7th Jul 2025231 AMAQI
7th Jul 2025232 AMAQI
7th Jul 2025233 AMAQI
7th Jul 2025224 AMAQI
20°C18/21°C
7th Jul 2025195 AMAQI
7th Jul 2025196 AMAQI
7th Jul 2025227 AMAQI
7th Jul 2025238 AMAQI
7th Jul 2025229 AMAQI
7th Jul 20252310 AMAQI
7th Jul 20252211 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025221 PMAQI
7th Jul 2025252 PMAQI
7th Jul 2025283 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025255 PMAQI
7th Jul 2025276 PMAQI
7th Jul 2025247 PMAQI
7th Jul 2025238 PMAQI
7th Jul 2025259 PMAQI
7th Jul 20252410 PMAQI
7th Jul 20252211 PMAQI
8th Jul 20252212 AMAQI
8th Jul 2025221 AMAQI
8th Jul 2025212 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025194 AMAQI
20°C18/21°C
8th Jul 2025205 AMAQI
8th Jul 2025176 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025198 AMAQI
8th Jul 2025209 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252112 PMAQI
8th Jul 2025231 PMAQI
8th Jul 2025262 PMAQI
8th Jul 2025263 PMAQI
8th Jul 2025214 PMAQI
8th Jul 2025215 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025207 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025229 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20252111 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025201 AMAQI
9th Jul 2025202 AMAQI
9th Jul 2025193 AMAQI
9th Jul 2025194 AMAQI
19°C17/20°C
9th Jul 2025195 AMAQI
9th Jul 2025296 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025178 AMAQI
9th Jul 2025179 AMAQI
9th Jul 20251710 AMAQI
9th Jul 20251811 AMAQI
9th Jul 20251712 PMAQI
9th Jul 2025191 PMAQI
9th Jul 2025232 PMAQI
9th Jul 2025263 PMAQI
9th Jul 2025214 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025206 PMAQI
9th Jul 2025207 PMAQI
9th Jul 2025198 PMAQI
9th Jul 2025199 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025181 AMAQI
10th Jul 2025182 AMAQI
10th Jul 2025203 AMAQI
10th Jul 2025214 AMAQI
21°C19/23°C
10th Jul 2025215 AMAQI
10th Jul 2025206 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025198 AMAQI
10th Jul 2025199 AMAQI
10th Jul 20251910 AMAQI
10th Jul 20252211 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025263 PMAQI
10th Jul 2025244 PMAQI
10th Jul 2025285 PMAQI
10th Jul 2025256 PMAQI
10th Jul 2025217 PMAQI
10th Jul 2025208 PMAQI
10th Jul 2025189 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252011 PMAQI
11th Jul 20252012 AMAQI
11th Jul 2025181 AMAQI
11th Jul 2025212 AMAQI
11th Jul 2025243 AMAQI
11th Jul 2025234 AMAQI
23°C21/25°C
11th Jul 2025265 AMAQI
11th Jul 2025256 AMAQI
11th Jul 2025197 AMAQI
11th Jul 2025208 AMAQI
11th Jul 2025209 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025252 PMAQI
11th Jul 2025263 PMAQI
11th Jul 2025274 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025246 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025218 PMAQI
11th Jul 2025199 PMAQI
11th Jul 20251710 PMAQI
11th Jul 20251811 PMAQI
12th Jul 20251812 AMAQI
12th Jul 2025181 AMAQI
12th Jul 2025192 AMAQI
12th Jul 2025313 AMAQI
12th Jul 2025214 AMAQI
22°C20/23°C
12th Jul 2025225 AMAQI
12th Jul 2025216 AMAQI
12th Jul 2025247 AMAQI
12th Jul 2025238 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20251812 PMAQI
12th Jul 2025201 PMAQI
12th Jul 2025222 PMAQI
12th Jul 2025233 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025207 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025259 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252311 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025232 AMAQI
13th Jul 2025233 AMAQI
13th Jul 2025234 AMAQI
22°C20/23°C
13th Jul 2025205 AMAQI
13th Jul 2025216 AMAQI
13th Jul 2025207 AMAQI
13th Jul 2025208 AMAQI
13th Jul 2025199 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20251811 AMAQI
13th Jul 20251712 PMAQI
13th Jul 2025171 PMAQI
13th Jul 2025192 PMAQI
13th Jul 2025223 PMAQI
13th Jul 2025254 PMAQI
13th Jul 2025255 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025217 PMAQI
13th Jul 2025208 PMAQI
13th Jul 2025199 PMAQI
13th Jul 20251710 PMAQI
13th Jul 20252011 PMAQI
14th Jul 20251812 AMAQI
14th Jul 2025191 AMAQI
14th Jul 2025192 AMAQI
14th Jul 2025223 AMAQI
14th Jul 2025214 AMAQI
21°C19/22°C
14th Jul 2025215 AMAQI
14th Jul 2025206 AMAQI
14th Jul 2025207 AMAQI
14th Jul 2025198 AMAQI
14th Jul 2025219 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025201 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025198 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20251810 PMAQI
14th Jul 20251811 PMAQI
15th Jul 20251712 AMAQI
15th Jul 2025181 AMAQI
15th Jul 2025202 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025284 AMAQI
21°C20/21°C
15th Jul 2025185 AMAQI
15th Jul 2025176 AMAQI
15th Jul 2025167 AMAQI
15th Jul 2025188 AMAQI
15th Jul 2025189 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025161 PMAQI
15th Jul 2025202 PMAQI
15th Jul 2025233 PMAQI
15th Jul 2025204 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025236 PMAQI
15th Jul 2025197 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025219 PMAQI
15th Jul 20252110 PMAQI
15th Jul 20251911 PMAQI
16th Jul 20252012 AMAQI
16th Jul 2025211 AMAQI
16th Jul 2025212 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025224 AMAQI
21°C19/22°C
16th Jul 2025225 AMAQI
16th Jul 2025216 AMAQI
16th Jul 2025217 AMAQI
16th Jul 2025218 AMAQI
16th Jul 2025189 AMAQI
16th Jul 20251910 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025231 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025264 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025218 PMAQI
16th Jul 2025239 PMAQI
16th Jul 20252210 PMAQI
16th Jul 20252111 PMAQI
17th Jul 20251912 AMAQI
17th Jul 2025201 AMAQI
17th Jul 2025252 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025244 AMAQI
21°C19/23°C
17th Jul 2025235 AMAQI
17th Jul 2025216 AMAQI
17th Jul 2025217 AMAQI
17th Jul 2025228 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025211 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025236 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025189 PMAQI
17th Jul 20252110 PMAQI
17th Jul 20252111 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025231 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025213 AMAQI
18th Jul 2025184 AMAQI
22°C21/24°C
18th Jul 2025185 AMAQI
18th Jul 2025166 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20251711 AMAQI
18th Jul 20251712 PMAQI
18th Jul 2025251 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025188 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025244 AMAQI
24°C22/26°C
19th Jul 2025275 AMAQI
19th Jul 2025256 AMAQI
19th Jul 2025257 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025209 PMAQI
19th Jul 20252110 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252112 AMAQI
20th Jul 2025181 AMAQI
20th Jul 2025182 AMAQI
20th Jul 2025183 AMAQI
20th Jul 2025184 AMAQI
23°C23/24°C
20th Jul 2025175 AMAQI
20th Jul 2025176 AMAQI
20th Jul 2025167 AMAQI
20th Jul 2025198 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251510 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251612 PMAQI
20th Jul 2025161 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025219 PMAQI
20th Jul 20252210 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252012 AMAQI
21st Jul 2025201 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025264 AMAQI
23°C23/25°C
21st Jul 2025265 AMAQI
21st Jul 2025276 AMAQI
21st Jul 2025277 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20251911 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025295 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252311 PMAQI
22nd Jul 20252312 AMAQI
22nd Jul 2025251 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025233 AMAQI
22nd Jul 2025244 AMAQI
23°C23/24°C
22nd Jul 2025235 AMAQI
22nd Jul 2025246 AMAQI
22nd Jul 2025227 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252112 PMAQI
22nd Jul 2025191 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025279 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025273 AMAQI
23rd Jul 2025304 AMAQI
23°C22/25°C
23rd Jul 2025315 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025247 AMAQI
23rd Jul 2025258 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252312 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025232 AMAQI
24th Jul 2025283 AMAQI
24th Jul 2025314 AMAQI
22°C20/23°C
24th Jul 2025335 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025219 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20252112 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025244 AMAQI
21°C19/21°C
25th Jul 2025265 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252012 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025209 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025192 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025204 AMAQI
22°C19/23°C
26th Jul 2025215 AMAQI
26th Jul 2025206 AMAQI
26th Jul 2025237 AMAQI
26th Jul 2025198 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20252310 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025213 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025169 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251611 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025171 AMAQI
27th Jul 2025162 AMAQI
27th Jul 2025163 AMAQI
27th Jul 2025154 AMAQI
21°C19/22°C
27th Jul 2025175 AMAQI
27th Jul 2025196 AMAQI
27th Jul 2025197 AMAQI
27th Jul 2025178 AMAQI
27th Jul 2025169 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251912 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025213 AMAQI
28th Jul 2025234 AMAQI
21°C18/21°C
28th Jul 2025255 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025199 PMAQI
28th Jul 20251710 PMAQI
28th Jul 20251911 PMAQI
29th Jul 20251712 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025233 AMAQI
29th Jul 2025234 AMAQI
23°C18/26°C
29th Jul 2025245 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025254 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025199 PMAQI
29th Jul 20251910 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025274 AMAQI
24°C23/26°C
30th Jul 2025295 AMAQI
30th Jul 2025266 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252710 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252111 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025254 AMAQI
24°C22/27°C
31st Jul 2025225 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025253 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025229 PMAQI
31st Jul 20252110 PMAQI
31st Jul 20252011 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025201 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025193 AMAQI
1st Aug 2025194 AMAQI
23°C22/24°C
1st Aug 2025225 AMAQI
1st Aug 2025216 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025238 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025275 PMAQI
1st Aug 2025246 PMAQI
1st Aug 2025217 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025219 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252112 AMAQI
2nd Aug 2025181 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025213 AMAQI
2nd Aug 2025204 AMAQI
22°C21/23°C
2nd Aug 2025265 AMAQI
2nd Aug 2025186 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20252510 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025212 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025294 PMAQI
2nd Aug 2025255 PMAQI
2nd Aug 2025256 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025248 PMAQI
2nd Aug 2025259 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20252011 PMAQI
3rd Aug 20251812 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025223 AMAQI
3rd Aug 2025224 AMAQI
22°C20/24°C
3rd Aug 2025245 AMAQI
3rd Aug 2025266 AMAQI
3rd Aug 2025257 AMAQI
3rd Aug 2025238 AMAQI
3rd Aug 2025239 AMAQI
3rd Aug 20252410 AMAQI
3rd Aug 20252711 AMAQI
3rd Aug 20252712 PMAQI
3rd Aug 2025221 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025273 PMAQI
3rd Aug 2025304 PMAQI
3rd Aug 2025295 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025267 PMAQI
3rd Aug 2025238 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252610 PMAQI
3rd Aug 20252011 PMAQI
4th Aug 20252212 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025252 AMAQI
4th Aug 2025233 AMAQI
4th Aug 2025254 AMAQI
22°C21/23°C
4th Aug 2025255 AMAQI
4th Aug 2025256 AMAQI
4th Aug 2025247 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025259 AMAQI
4th Aug 20252610 AMAQI
4th Aug 20252611 AMAQI
4th Aug 20253012 PMAQI
4th Aug 2025301 PMAQI
4th Aug 2025362 PMAQI
4th Aug 2025413 PMAQI
4th Aug 2025374 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025336 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025258 PMAQI
4th Aug 2025249 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025232 AMAQI
5th Aug 2025223 AMAQI
23°C22/25°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
3 PM - 6 PM
26AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 1 PM
22AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 6 PM (Avg. 26), while the lowest AQI was between 5 AM to 1 PM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 11 PM
21AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
21AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 21), while the lowest AQI was between 12 AM to 11 PM (Avg. 21).
2025 Days Vs Air Quality
Hilo, Hawaii, United States
2025
93%
201
7%
15
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
201 DaysModerate
15 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 217 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
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.
1st January 2025
45AQI
45AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
39AQI
39AQI
4th January 2025
40AQI
40AQI
5th January 2025
46AQI
46AQI
6th January 2025
44AQI
44AQI
7th January 2025
43AQI
43AQI
8th January 2025
38AQI
38AQI
9th January 2025
38AQI
38AQI
10th January 2025
37AQI
37AQI
11th January 2025
35AQI
35AQI
12th January 2025
36AQI
36AQI
13th January 2025
42AQI
42AQI
14th January 2025
35AQI
35AQI
15th January 2025
37AQI
37AQI
16th January 2025
36AQI
36AQI
17th January 2025
50AQI
50AQI
18th January 2025
47AQI
47AQI
19th January 2025
33AQI
33AQI
20th January 2025
33AQI
33AQI
21st January 2025
35AQI
35AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
40AQI
40AQI
24th January 2025
35AQI
35AQI
25th January 2025
38AQI
38AQI
26th January 2025
36AQI
36AQI
27th January 2025
33AQI
33AQI
28th January 2025
34AQI
34AQI
29th January 2025
34AQI
34AQI
30th January 2025
34AQI
34AQI
31st January 2025
35AQI
35AQI
1st February 2025
31AQI
31AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
31AQI
31AQI
4th February 2025
32AQI
32AQI
5th February 2025
36AQI
36AQI
6th February 2025
37AQI
37AQI
7th February 2025
33AQI
33AQI
8th February 2025
35AQI
35AQI
9th February 2025
32AQI
32AQI
10th February 2025
34AQI
34AQI
11th February 2025
39AQI
39AQI
12th February 2025
35AQI
35AQI
13th February 2025
40AQI
40AQI
14th February 2025
40AQI
40AQI
15th February 2025
38AQI
38AQI
16th February 2025
33AQI
33AQI
17th February 2025
38AQI
38AQI
18th February 2025
35AQI
35AQI
19th February 2025
34AQI
34AQI
20th February 2025
36AQI
36AQI
21st February 2025
33AQI
33AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
37AQI
37AQI
24th February 2025
34AQI
34AQI
25th February 2025
35AQI
35AQI
26th February 2025
35AQI
35AQI
27th February 2025
38AQI
38AQI
28th February 2025
47AQI
47AQI
1st March 2025
39AQI
39AQI
2nd March 2025
36AQI
36AQI
3rd March 2025
35AQI
35AQI
4th March 2025
40AQI
40AQI
5th March 2025
38AQI
38AQI
6th March 2025
37AQI
37AQI
7th March 2025
36AQI
36AQI
8th March 2025
35AQI
35AQI
9th March 2025
44AQI
44AQI
10th March 2025
51AQI
51AQI
11th March 2025
52AQI
52AQI
12th March 2025
59AQI
59AQI
13th March 2025
56AQI
56AQI
14th March 2025
57AQI
57AQI
15th March 2025
61AQI
61AQI
16th March 2025
56AQI
56AQI
17th March 2025
60AQI
60AQI
18th March 2025
58AQI
58AQI
19th March 2025
60AQI
60AQI
20th March 2025
57AQI
57AQI
21st March 2025
56AQI
56AQI
22nd March 2025
55AQI
55AQI
23rd March 2025
55AQI
55AQI
24th March 2025
54AQI
54AQI
25th March 2025
37AQI
37AQI
26th March 2025
34AQI
34AQI
27th March 2025
29AQI
29AQI
28th March 2025
39AQI
39AQI
29th March 2025
30AQI
30AQI
30th March 2025
28AQI
28AQI
31st March 2025
27AQI
27AQI
1st April 2025
26AQI
26AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
31AQI
31AQI
4th April 2025
35AQI
35AQI
5th April 2025
25AQI
25AQI
6th April 2025
22AQI
22AQI
7th April 2025
22AQI
22AQI
8th April 2025
18AQI
18AQI
9th April 2025
19AQI
19AQI
10th April 2025
19AQI
19AQI
11th April 2025
22AQI
22AQI
12th April 2025
22AQI
22AQI
13th April 2025
22AQI
22AQI
14th April 2025
24AQI
24AQI
15th April 2025
19AQI
19AQI
16th April 2025
24AQI
24AQI
17th April 2025
22AQI
22AQI
18th April 2025
21AQI
21AQI
19th April 2025
20AQI
20AQI
20th April 2025
20AQI
20AQI
21st April 2025
18AQI
18AQI
22nd April 2025
18AQI
18AQI
23rd April 2025
26AQI
26AQI
24th April 2025
25AQI
25AQI
25th April 2025
22AQI
22AQI
26th April 2025
21AQI
21AQI
27th April 2025
20AQI
20AQI
28th April 2025
24AQI
24AQI
29th April 2025
27AQI
27AQI
30th April 2025
26AQI
26AQI
1st May 2025
26AQI
26AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
25AQI
25AQI
4th May 2025
27AQI
27AQI
5th May 2025
23AQI
23AQI
6th May 2025
25AQI
25AQI
7th May 2025
21AQI
21AQI
8th May 2025
25AQI
25AQI
9th May 2025
23AQI
23AQI
10th May 2025
24AQI
24AQI
11th May 2025
22AQI
22AQI
12th May 2025
23AQI
23AQI
13th May 2025
20AQI
20AQI
14th May 2025
21AQI
21AQI
15th May 2025
26AQI
26AQI
16th May 2025
21AQI
21AQI
17th May 2025
21AQI
21AQI
18th May 2025
20AQI
20AQI
19th May 2025
22AQI
22AQI
20th May 2025
19AQI
19AQI
21st May 2025
19AQI
19AQI
22nd May 2025
22AQI
22AQI
23rd May 2025
20AQI
20AQI
24th May 2025
23AQI
23AQI
25th May 2025
26AQI
26AQI
26th May 2025
23AQI
23AQI
27th May 2025
26AQI
26AQI
28th May 2025
21AQI
21AQI
29th May 2025
20AQI
20AQI
30th May 2025
19AQI
19AQI
31st May 2025
22AQI
22AQI
1st June 2025
19AQI
19AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
23AQI
23AQI
4th June 2025
24AQI
24AQI
5th June 2025
25AQI
25AQI
6th June 2025
25AQI
25AQI
7th June 2025
23AQI
23AQI
8th June 2025
17AQI
17AQI
9th June 2025
16AQI
16AQI
10th June 2025
19AQI
19AQI
11th June 2025
20AQI
20AQI
12th June 2025
19AQI
19AQI
13th June 2025
19AQI
19AQI
14th June 2025
18AQI
18AQI
15th June 2025
18AQI
18AQI
16th June 2025
18AQI
18AQI
17th June 2025
18AQI
18AQI
18th June 2025
18AQI
18AQI
19th June 2025
20AQI
20AQI
20th June 2025
17AQI
17AQI
21st June 2025
24AQI
24AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
20AQI
20AQI
24th June 2025
17AQI
17AQI
25th June 2025
17AQI
17AQI
26th June 2025
17AQI
17AQI
27th June 2025
18AQI
18AQI
28th June 2025
19AQI
19AQI
29th June 2025
19AQI
19AQI
30th June 2025
20AQI
20AQI
1st July 2025
20AQI
20AQI
2nd July 2025
16AQI
16AQI
3rd July 2025
18AQI
18AQI
4th July 2025
20AQI
20AQI
5th July 2025
19AQI
19AQI
6th July 2025
21AQI
21AQI
7th July 2025
23AQI
23AQI
8th July 2025
21AQI
21AQI
9th July 2025
20AQI
20AQI
10th July 2025
21AQI
21AQI
11th July 2025
21AQI
21AQI
12th July 2025
22AQI
22AQI
13th July 2025
21AQI
21AQI
14th July 2025
21AQI
21AQI
15th July 2025
20AQI
20AQI
16th July 2025
22AQI
22AQI
17th July 2025
22AQI
22AQI
18th July 2025
20AQI
20AQI
19th July 2025
22AQI
22AQI
20th July 2025
19AQI
19AQI
21st July 2025
23AQI
23AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
27AQI
27AQI
24th July 2025
26AQI
26AQI
25th July 2025
22AQI
22AQI
26th July 2025
20AQI
20AQI
27th July 2025
18AQI
18AQI
28th July 2025
23AQI
23AQI
29th July 2025
23AQI
23AQI
30th July 2025
26AQI
26AQI
31st July 2025
23AQI
23AQI
1st August 2025
22AQI
22AQI
2nd August 2025
22AQI
22AQI
3rd August 2025
24AQI
24AQI
4th August 2025
26AQI
26AQI
38AQI
35AQI
46AQI
23AQI
23AQI
20AQI
21AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
16
15
30
31
30
31
4
201
15
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
June20AQI
202419AQI
31
29
31
30
31
29
31
31
30
31
30
31
365
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
August16AQI
202316AQI
31
28
31
29
31
30
31
31
30
31
29
31
363
Highest AQI recorded in
March19AQI
Lowest AQI recorded in
December15AQI
202217AQI
30
22
31
23
31
29
23
2
29
28
30
31
309
Highest AQI recorded in
April22AQI
Lowest AQI recorded in
August11AQI
202114AQI
27
28
30
30
31
30
31
29
27
31
30
31
355
Highest AQI recorded in
July18AQI
Lowest AQI recorded in
April9AQI
202020AQI
13
20
19
30
31
31
30
31
28
31
264
Highest AQI recorded in
July24AQI
Lowest AQI recorded in
March16AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
29AQILeast Polluted Year Recorded
2021(Avg.)
14AQIHilo's annual 2025 AQI (29) shows an average percentage change of 70.8% (worsened AQI) compared to previous years: 2020 (20), 2021 (14), 2022 (17), 2023 (16), 2024 (19).
