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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Quito, Pichincha, Ecuador 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+

September Air Quality Analysis

Quito, Pichincha, Ecuador

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
25th Sep 2024
92AQI
Lowest AQI recorded on
3rd Sep 2026
17AQI

Same Day Analysis (26th September):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 25th Sep - 26th Sep 2026

Quito, Pichincha, Ecuador

AQI
Day
Night
.

6 AM25th Sep 2026

6 PM

5 AM26th Sep 2026

Day time
Avg. Highest Time
7AM25th Sep

37AQI

Avg. Lowest Time
4PM25th Sep

17AQI

Night time
Avg. Highest Time
12AM26th Sep

44AQI

Avg. Lowest Time
7PM25th Sep

20AQI

In the last 24 hours,

Quito's AQI reached its highest point of 44 at 12 AM during the Night, while the lowest point, 17, was recorded at 4 PM during the Day between 25th Sep and 26th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Quito, Pichincha, Ecuador

AugSep
28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th
Day
Night
28th Aug 2026216 AMAQI
28th Aug 2026247 AMAQI
28th Aug 2026278 AMAQI
28th Aug 2026209 AMAQI
28th Aug 20262410 AMAQI
28th Aug 20262511 AMAQI
28th Aug 20262412 PMAQI
28th Aug 2026201 PMAQI
28th Aug 2026282 PMAQI
28th Aug 2026363 PMAQI
28th Aug 2026404 PMAQI
28th Aug 2026355 PMAQI
28th Aug 2026416 PMAQI
28th Aug 2026287 PMAQI
28th Aug 2026278 PMAQI
28th Aug 2026269 PMAQI
28th Aug 20262610 PMAQI
28th Aug 20262411 PMAQI
29th Aug 20262312 AMAQI
29th Aug 2026231 AMAQI
29th Aug 2026202 AMAQI
29th Aug 2026213 AMAQI
29th Aug 2026244 AMAQI
29th Aug 2026185 AMAQI

13°C9/19°C

29th Aug 2026206 AMAQI
29th Aug 2026207 AMAQI
29th Aug 2026248 AMAQI
29th Aug 2026219 AMAQI
29th Aug 20262610 AMAQI
29th Aug 20261911 AMAQI
29th Aug 20261712 PMAQI
29th Aug 2026211 PMAQI
29th Aug 2026212 PMAQI
29th Aug 2026213 PMAQI
29th Aug 2026274 PMAQI
29th Aug 2026255 PMAQI
29th Aug 2026306 PMAQI
29th Aug 2026367 PMAQI
29th Aug 2026348 PMAQI
29th Aug 2026189 PMAQI
29th Aug 20261910 PMAQI
29th Aug 20262211 PMAQI
30th Aug 20262212 AMAQI
30th Aug 2026121 AMAQI
30th Aug 2026212 AMAQI
30th Aug 2026193 AMAQI
30th Aug 2026124 AMAQI
30th Aug 2026165 AMAQI

13°C8/20°C

30th Aug 2026256 AMAQI
30th Aug 2026177 AMAQI
30th Aug 2026278 AMAQI
30th Aug 2026189 AMAQI
30th Aug 20261410 AMAQI
30th Aug 20261711 AMAQI
30th Aug 20261512 PMAQI
30th Aug 2026191 PMAQI
30th Aug 2026292 PMAQI
30th Aug 2026253 PMAQI
30th Aug 2026314 PMAQI
30th Aug 2026225 PMAQI
30th Aug 2026256 PMAQI
30th Aug 2026277 PMAQI
30th Aug 2026358 PMAQI
30th Aug 2026329 PMAQI
30th Aug 20262810 PMAQI
30th Aug 20262211 PMAQI
31st Aug 20262512 AMAQI
31st Aug 2026241 AMAQI
31st Aug 2026222 AMAQI
31st Aug 2026183 AMAQI
31st Aug 2026194 AMAQI
31st Aug 2026165 AMAQI

12°C8/17°C

31st Aug 2026196 AMAQI
31st Aug 2026217 AMAQI
31st Aug 2026178 AMAQI
31st Aug 2026189 AMAQI
31st Aug 20262010 AMAQI
31st Aug 20261411 AMAQI
31st Aug 20262612 PMAQI
31st Aug 2026351 PMAQI
31st Aug 2026262 PMAQI
31st Aug 2026223 PMAQI
31st Aug 2026214 PMAQI
31st Aug 2026285 PMAQI
31st Aug 2026256 PMAQI
31st Aug 2026307 PMAQI
31st Aug 2026248 PMAQI
31st Aug 2026239 PMAQI
31st Aug 20262010 PMAQI
31st Aug 20263411 PMAQI
1st Sep 20262312 AMAQI
1st Sep 2026251 AMAQI
1st Sep 2026272 AMAQI
1st Sep 2026253 AMAQI
1st Sep 2026264 AMAQI
1st Sep 2026255 AMAQI

13°C9/20°C

1st Sep 2026216 AMAQI
1st Sep 2026277 AMAQI
1st Sep 2026118 AMAQI
1st Sep 2026249 AMAQI
1st Sep 20262910 AMAQI
1st Sep 20261711 AMAQI
1st Sep 20261912 PMAQI
1st Sep 2026371 PMAQI
1st Sep 2026352 PMAQI
1st Sep 2026333 PMAQI
1st Sep 2026334 PMAQI
1st Sep 2026355 PMAQI
1st Sep 2026336 PMAQI
1st Sep 2026297 PMAQI
1st Sep 2026318 PMAQI
1st Sep 2026209 PMAQI
1st Sep 20261610 PMAQI
1st Sep 20262511 PMAQI
2nd Sep 20262212 AMAQI
2nd Sep 2026211 AMAQI
2nd Sep 2026222 AMAQI
2nd Sep 2026193 AMAQI
2nd Sep 2026224 AMAQI
2nd Sep 2026225 AMAQI

14°C7/22°C

2nd Sep 2026166 AMAQI
2nd Sep 2026227 AMAQI
2nd Sep 2026218 AMAQI
2nd Sep 2026239 AMAQI
2nd Sep 20262010 AMAQI
2nd Sep 20262211 AMAQI
2nd Sep 20262412 PMAQI
2nd Sep 2026311 PMAQI
2nd Sep 2026292 PMAQI
2nd Sep 2026313 PMAQI
2nd Sep 2026254 PMAQI
2nd Sep 2026305 PMAQI
2nd Sep 2026266 PMAQI
2nd Sep 2026307 PMAQI
2nd Sep 2026228 PMAQI
2nd Sep 2026199 PMAQI
2nd Sep 20262510 PMAQI
2nd Sep 20261811 PMAQI
3rd Sep 20261412 AMAQI
3rd Sep 2026151 AMAQI
3rd Sep 2026162 AMAQI
3rd Sep 2026153 AMAQI
3rd Sep 2026154 AMAQI
3rd Sep 2026165 AMAQI

12°C8/18°C

3rd Sep 2026186 AMAQI
3rd Sep 2026217 AMAQI
3rd Sep 2026158 AMAQI
3rd Sep 2026169 AMAQI
3rd Sep 20261310 AMAQI
3rd Sep 20261711 AMAQI
3rd Sep 20261712 PMAQI
3rd Sep 2026261 PMAQI
3rd Sep 2026162 PMAQI
3rd Sep 2026133 PMAQI
3rd Sep 2026154 PMAQI
3rd Sep 2026155 PMAQI
3rd Sep 2026166 PMAQI
3rd Sep 2026197 PMAQI
3rd Sep 2026228 PMAQI
3rd Sep 2026289 PMAQI
3rd Sep 20262110 PMAQI
3rd Sep 20262011 PMAQI
4th Sep 20262012 AMAQI
4th Sep 2026201 AMAQI
4th Sep 2026202 AMAQI
4th Sep 2026183 AMAQI
4th Sep 2026184 AMAQI
4th Sep 2026205 AMAQI

12°C9/15°C

4th Sep 2026196 AMAQI
4th Sep 2026277 AMAQI
4th Sep 2026198 AMAQI
4th Sep 2026169 AMAQI
4th Sep 20261810 AMAQI
4th Sep 20262211 AMAQI
4th Sep 20261812 PMAQI
4th Sep 2026211 PMAQI
4th Sep 2026232 PMAQI
4th Sep 2026223 PMAQI
4th Sep 2026274 PMAQI
4th Sep 2026385 PMAQI
4th Sep 2026286 PMAQI
4th Sep 2026297 PMAQI
4th Sep 2026248 PMAQI
4th Sep 2026229 PMAQI
4th Sep 20261710 PMAQI
4th Sep 20261511 PMAQI
5th Sep 20261612 AMAQI
5th Sep 2026251 AMAQI
5th Sep 2026202 AMAQI
5th Sep 2026123 AMAQI
5th Sep 2026134 AMAQI
5th Sep 2026135 AMAQI

13°C8/20°C

5th Sep 2026146 AMAQI
5th Sep 2026167 AMAQI
5th Sep 2026298 AMAQI
5th Sep 2026139 AMAQI
5th Sep 20261510 AMAQI
5th Sep 20262011 AMAQI
5th Sep 20262112 PMAQI
5th Sep 2026241 PMAQI
5th Sep 2026282 PMAQI
5th Sep 2026323 PMAQI
5th Sep 2026244 PMAQI
5th Sep 2026295 PMAQI
5th Sep 2026276 PMAQI
5th Sep 2026357 PMAQI
5th Sep 2026338 PMAQI
5th Sep 2026419 PMAQI
5th Sep 20264010 PMAQI
5th Sep 20263711 PMAQI
6th Sep 20262412 AMAQI
6th Sep 2026221 AMAQI
6th Sep 2026192 AMAQI
6th Sep 2026193 AMAQI
6th Sep 2026264 AMAQI
6th Sep 2026265 AMAQI

13°C8/20°C

6th Sep 2026266 AMAQI
6th Sep 2026267 AMAQI
6th Sep 2026228 AMAQI
6th Sep 2026219 AMAQI
6th Sep 20261810 AMAQI
6th Sep 20262311 AMAQI
6th Sep 20262312 PMAQI
6th Sep 2026301 PMAQI
6th Sep 2026452 PMAQI
6th Sep 2026463 PMAQI
6th Sep 2026444 PMAQI
6th Sep 2026495 PMAQI
6th Sep 2026356 PMAQI
6th Sep 2026347 PMAQI
6th Sep 2026238 PMAQI
6th Sep 2026239 PMAQI
6th Sep 20262010 PMAQI
6th Sep 20262211 PMAQI
7th Sep 20262712 AMAQI
7th Sep 2026171 AMAQI
7th Sep 2026302 AMAQI
7th Sep 2026183 AMAQI
7th Sep 2026154 AMAQI
7th Sep 2026315 AMAQI

13°C9/19°C

7th Sep 2026246 AMAQI
7th Sep 2026197 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026199 AMAQI
7th Sep 20262310 AMAQI
7th Sep 20261211 AMAQI
7th Sep 20261812 PMAQI
7th Sep 2026271 PMAQI
7th Sep 2026172 PMAQI
7th Sep 2026153 PMAQI
7th Sep 2026114 PMAQI
7th Sep 2026185 PMAQI
7th Sep 2026156 PMAQI
7th Sep 2026227 PMAQI
7th Sep 2026228 PMAQI
7th Sep 2026189 PMAQI
7th Sep 20262610 PMAQI
7th Sep 20262211 PMAQI
8th Sep 20261412 AMAQI
8th Sep 2026211 AMAQI
8th Sep 2026192 AMAQI
8th Sep 2026223 AMAQI
8th Sep 2026304 AMAQI
8th Sep 2026185 AMAQI

13°C8/17°C

8th Sep 2026256 AMAQI
8th Sep 2026247 AMAQI
8th Sep 2026198 AMAQI
8th Sep 2026169 AMAQI
8th Sep 20261910 AMAQI
8th Sep 20262211 AMAQI
8th Sep 20262512 PMAQI
8th Sep 2026391 PMAQI
8th Sep 2026352 PMAQI
8th Sep 2026263 PMAQI
8th Sep 2026244 PMAQI
8th Sep 2026255 PMAQI
8th Sep 2026236 PMAQI
8th Sep 2026297 PMAQI
8th Sep 2026268 PMAQI
8th Sep 2026229 PMAQI
8th Sep 20262410 PMAQI
8th Sep 20262211 PMAQI
9th Sep 20262012 AMAQI
9th Sep 2026191 AMAQI
9th Sep 2026252 AMAQI
9th Sep 2026273 AMAQI
9th Sep 2026244 AMAQI
9th Sep 2026305 AMAQI

14°C8/21°C

9th Sep 2026396 AMAQI
9th Sep 2026277 AMAQI
9th Sep 2026328 AMAQI
9th Sep 2026209 AMAQI
9th Sep 20261810 AMAQI
9th Sep 20261911 AMAQI
9th Sep 20261912 PMAQI
9th Sep 2026231 PMAQI
9th Sep 2026232 PMAQI
9th Sep 2026263 PMAQI
9th Sep 2026214 PMAQI
9th Sep 2026205 PMAQI
9th Sep 2026246 PMAQI
9th Sep 2026277 PMAQI
9th Sep 2026388 PMAQI
9th Sep 2026239 PMAQI
9th Sep 20262110 PMAQI
9th Sep 20261911 PMAQI
10th Sep 20262212 AMAQI
10th Sep 2026231 AMAQI
10th Sep 2026142 AMAQI
10th Sep 2026193 AMAQI
10th Sep 2026124 AMAQI
10th Sep 2026135 AMAQI

14°C9/20°C

10th Sep 2026226 AMAQI
10th Sep 2026287 AMAQI
10th Sep 2026228 AMAQI
10th Sep 2026179 AMAQI
10th Sep 20261610 AMAQI
10th Sep 20261911 AMAQI
10th Sep 20262012 PMAQI
10th Sep 2026381 PMAQI
10th Sep 2026282 PMAQI
10th Sep 2026453 PMAQI
10th Sep 2026294 PMAQI
10th Sep 2026255 PMAQI
10th Sep 2026256 PMAQI
10th Sep 2026287 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026269 PMAQI
10th Sep 20262010 PMAQI
10th Sep 20261811 PMAQI
11th Sep 20261712 AMAQI
11th Sep 2026241 AMAQI
11th Sep 2026132 AMAQI
11th Sep 2026243 AMAQI
11th Sep 2026164 AMAQI
11th Sep 2026195 AMAQI

14°C9/22°C

11th Sep 2026216 AMAQI
11th Sep 2026287 AMAQI
11th Sep 2026148 AMAQI
11th Sep 2026149 AMAQI
11th Sep 20261810 AMAQI
11th Sep 20261211 AMAQI
11th Sep 20261712 PMAQI
11th Sep 2026221 PMAQI
11th Sep 2026312 PMAQI
11th Sep 2026223 PMAQI
11th Sep 2026174 PMAQI
11th Sep 2026205 PMAQI
11th Sep 2026236 PMAQI
11th Sep 2026247 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026119 PMAQI
11th Sep 20262210 PMAQI
11th Sep 20261611 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026191 AMAQI
12th Sep 2026192 AMAQI
12th Sep 2026203 AMAQI
12th Sep 2026204 AMAQI
12th Sep 2026175 AMAQI

14°C8/20°C

12th Sep 2026206 AMAQI
12th Sep 2026187 AMAQI
12th Sep 2026198 AMAQI
12th Sep 2026179 AMAQI
12th Sep 20262010 AMAQI
12th Sep 20261911 AMAQI
12th Sep 20261912 PMAQI
12th Sep 2026261 PMAQI
12th Sep 2026282 PMAQI
12th Sep 2026204 PMAQI
12th Sep 2026255 PMAQI
12th Sep 2026286 PMAQI
12th Sep 2026207 PMAQI
12th Sep 2026188 PMAQI
12th Sep 2026179 PMAQI
12th Sep 20261410 PMAQI
12th Sep 20261411 PMAQI
13th Sep 20261312 AMAQI
13th Sep 2026101 AMAQI
13th Sep 2026142 AMAQI
13th Sep 2026123 AMAQI
13th Sep 2026124 AMAQI
13th Sep 2026135 AMAQI

15°C10/22°C

13th Sep 2026186 AMAQI
13th Sep 2026137 AMAQI
13th Sep 2026188 AMAQI
13th Sep 2026299 AMAQI
13th Sep 20261910 AMAQI
13th Sep 20261511 AMAQI
13th Sep 20262512 PMAQI
13th Sep 2026211 PMAQI
13th Sep 2026192 PMAQI
13th Sep 2026243 PMAQI
13th Sep 2026154 PMAQI
13th Sep 2026185 PMAQI
13th Sep 2026186 PMAQI
13th Sep 2026367 PMAQI
13th Sep 2026178 PMAQI
13th Sep 2026229 PMAQI
13th Sep 20261210 PMAQI
13th Sep 20261611 PMAQI
14th Sep 20261312 AMAQI
14th Sep 2026141 AMAQI
14th Sep 2026142 AMAQI
14th Sep 2026203 AMAQI
14th Sep 2026154 AMAQI
14th Sep 2026175 AMAQI

15°C9/23°C

14th Sep 2026186 AMAQI
14th Sep 2026167 AMAQI
14th Sep 2026198 AMAQI
14th Sep 2026199 AMAQI
14th Sep 20262510 AMAQI
14th Sep 20261611 AMAQI
14th Sep 20261812 PMAQI
14th Sep 2026201 PMAQI
14th Sep 2026242 PMAQI
14th Sep 2026283 PMAQI
14th Sep 2026284 PMAQI
14th Sep 2026285 PMAQI
14th Sep 2026296 PMAQI
14th Sep 2026277 PMAQI
14th Sep 2026188 PMAQI
14th Sep 2026209 PMAQI
14th Sep 20262210 PMAQI
14th Sep 20261711 PMAQI
15th Sep 20262112 AMAQI
15th Sep 2026241 AMAQI
15th Sep 2026202 AMAQI
15th Sep 2026223 AMAQI
15th Sep 2026214 AMAQI
15th Sep 2026185 AMAQI

14°C10/21°C

15th Sep 2026186 AMAQI
15th Sep 2026267 AMAQI
15th Sep 2026248 AMAQI
15th Sep 2026209 AMAQI
15th Sep 20262210 AMAQI
15th Sep 20262011 AMAQI
15th Sep 20262412 PMAQI
15th Sep 2026221 PMAQI
15th Sep 2026242 PMAQI
15th Sep 2026243 PMAQI
15th Sep 2026294 PMAQI
15th Sep 2026325 PMAQI
15th Sep 2026266 PMAQI
15th Sep 2026327 PMAQI
15th Sep 2026258 PMAQI
15th Sep 2026199 PMAQI
15th Sep 20261810 PMAQI
15th Sep 20261811 PMAQI
16th Sep 20261712 AMAQI
16th Sep 2026131 AMAQI
16th Sep 2026112 AMAQI
16th Sep 2026153 AMAQI
16th Sep 2026264 AMAQI
16th Sep 2026155 AMAQI

13°C10/18°C

16th Sep 2026146 AMAQI
16th Sep 2026117 AMAQI
16th Sep 2026128 AMAQI
16th Sep 2026199 AMAQI
16th Sep 20261810 AMAQI
16th Sep 20261911 AMAQI
16th Sep 20262912 PMAQI
16th Sep 2026271 PMAQI
16th Sep 2026272 PMAQI
16th Sep 2026253 PMAQI
16th Sep 2026164 PMAQI
16th Sep 2026195 PMAQI
16th Sep 2026136 PMAQI
16th Sep 2026127 PMAQI
16th Sep 2026198 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20261710 PMAQI
16th Sep 20261311 PMAQI
17th Sep 20262312 AMAQI
17th Sep 2026261 AMAQI
17th Sep 2026172 AMAQI
17th Sep 2026123 AMAQI
17th Sep 2026254 AMAQI
17th Sep 2026165 AMAQI

14°C9/21°C

17th Sep 2026166 AMAQI
17th Sep 2026177 AMAQI
17th Sep 2026138 AMAQI
17th Sep 2026149 AMAQI
17th Sep 20261710 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262312 PMAQI
17th Sep 2026181 PMAQI
17th Sep 2026252 PMAQI
17th Sep 2026203 PMAQI
17th Sep 2026274 PMAQI
17th Sep 2026195 PMAQI
17th Sep 2026206 PMAQI
17th Sep 2026127 PMAQI
17th Sep 2026178 PMAQI
17th Sep 2026179 PMAQI
17th Sep 20261510 PMAQI
17th Sep 20261711 PMAQI
18th Sep 20261512 AMAQI
18th Sep 2026151 AMAQI
18th Sep 2026142 AMAQI
18th Sep 2026133 AMAQI
18th Sep 2026214 AMAQI
18th Sep 2026175 AMAQI

15°C9/22°C

18th Sep 2026196 AMAQI
18th Sep 2026227 AMAQI
18th Sep 2026178 AMAQI
18th Sep 2026169 AMAQI
18th Sep 20262010 AMAQI
18th Sep 20261511 AMAQI
18th Sep 20262012 PMAQI
18th Sep 2026241 PMAQI
18th Sep 2026282 PMAQI
18th Sep 2026223 PMAQI
18th Sep 2026284 PMAQI
18th Sep 2026355 PMAQI
18th Sep 2026316 PMAQI
18th Sep 2026337 PMAQI
18th Sep 2026358 PMAQI
18th Sep 2026329 PMAQI
18th Sep 20263110 PMAQI
18th Sep 20263111 PMAQI
19th Sep 20263012 AMAQI
19th Sep 2026241 AMAQI
19th Sep 2026222 AMAQI
19th Sep 2026213 AMAQI
19th Sep 2026224 AMAQI
19th Sep 2026255 AMAQI

15°C10/20°C

19th Sep 2026266 AMAQI
19th Sep 2026287 AMAQI
19th Sep 2026228 AMAQI
19th Sep 2026259 AMAQI
19th Sep 20262910 AMAQI
19th Sep 20262211 AMAQI
19th Sep 20263812 PMAQI
19th Sep 2026351 PMAQI
19th Sep 2026362 PMAQI
19th Sep 2026343 PMAQI
19th Sep 2026314 PMAQI
19th Sep 2026365 PMAQI
19th Sep 2026366 PMAQI
19th Sep 2026307 PMAQI
19th Sep 2026348 PMAQI
19th Sep 2026249 PMAQI
19th Sep 20262110 PMAQI
19th Sep 20262211 PMAQI
20th Sep 20262212 AMAQI
20th Sep 2026241 AMAQI
20th Sep 2026192 AMAQI
20th Sep 2026173 AMAQI
20th Sep 2026174 AMAQI
20th Sep 2026185 AMAQI

14°C10/18°C

20th Sep 2026146 AMAQI
20th Sep 2026177 AMAQI
20th Sep 2026198 AMAQI
20th Sep 2026169 AMAQI
20th Sep 20261810 AMAQI
20th Sep 20261811 AMAQI
20th Sep 20261612 PMAQI
20th Sep 2026151 PMAQI
20th Sep 2026172 PMAQI
20th Sep 2026163 PMAQI
20th Sep 2026204 PMAQI
20th Sep 2026195 PMAQI
20th Sep 2026176 PMAQI
20th Sep 2026177 PMAQI
20th Sep 2026208 PMAQI
20th Sep 2026229 PMAQI
20th Sep 20262110 PMAQI
20th Sep 20262111 PMAQI
21st Sep 20261912 AMAQI
21st Sep 2026191 AMAQI
21st Sep 2026202 AMAQI
21st Sep 2026333 AMAQI
21st Sep 2026224 AMAQI
21st Sep 2026165 AMAQI

14°C10/20°C

21st Sep 2026156 AMAQI
21st Sep 2026227 AMAQI
21st Sep 2026268 AMAQI
21st Sep 2026179 AMAQI
21st Sep 20262810 AMAQI
21st Sep 20262211 AMAQI
21st Sep 20262412 PMAQI
21st Sep 2026221 PMAQI
21st Sep 2026442 PMAQI
21st Sep 2026273 PMAQI
21st Sep 2026184 PMAQI
21st Sep 2026315 PMAQI
21st Sep 2026266 PMAQI
21st Sep 2026277 PMAQI
21st Sep 2026378 PMAQI
21st Sep 2026299 PMAQI
21st Sep 20262710 PMAQI
21st Sep 20262811 PMAQI
22nd Sep 20262112 AMAQI
22nd Sep 2026141 AMAQI
22nd Sep 2026152 AMAQI
22nd Sep 2026183 AMAQI
22nd Sep 2026154 AMAQI
22nd Sep 2026265 AMAQI

14°C9/21°C

22nd Sep 2026276 AMAQI
22nd Sep 2026277 AMAQI
22nd Sep 2026328 AMAQI
22nd Sep 2026349 AMAQI
22nd Sep 20262510 AMAQI
22nd Sep 20263011 AMAQI
22nd Sep 20261912 PMAQI
22nd Sep 2026201 PMAQI
22nd Sep 2026182 PMAQI
22nd Sep 2026303 PMAQI
22nd Sep 2026384 PMAQI
22nd Sep 2026305 PMAQI
22nd Sep 2026356 PMAQI
22nd Sep 2026177 PMAQI
22nd Sep 2026338 PMAQI
22nd Sep 2026249 PMAQI
22nd Sep 20264410 PMAQI
22nd Sep 20263211 PMAQI
23rd Sep 20262812 AMAQI
23rd Sep 2026291 AMAQI
23rd Sep 2026272 AMAQI
23rd Sep 2026283 AMAQI
23rd Sep 2026274 AMAQI
23rd Sep 2026315 AMAQI

13°C10/20°C

23rd Sep 2026356 AMAQI
23rd Sep 2026417 AMAQI
23rd Sep 2026398 AMAQI
23rd Sep 2026229 AMAQI
23rd Sep 20261710 AMAQI
23rd Sep 20261611 AMAQI
23rd Sep 20261212 PMAQI
23rd Sep 2026131 PMAQI
23rd Sep 2026192 PMAQI
23rd Sep 2026233 PMAQI
23rd Sep 2026184 PMAQI
23rd Sep 2026215 PMAQI
23rd Sep 2026196 PMAQI
23rd Sep 2026377 PMAQI
23rd Sep 2026178 PMAQI
23rd Sep 2026169 PMAQI
23rd Sep 20261910 PMAQI
23rd Sep 20261311 PMAQI
24th Sep 20262012 AMAQI
24th Sep 2026211 AMAQI
24th Sep 2026272 AMAQI
24th Sep 2026283 AMAQI
24th Sep 2026264 AMAQI
24th Sep 2026135 AMAQI

13°C9/20°C

24th Sep 2026336 AMAQI
24th Sep 2026357 AMAQI
24th Sep 2026268 AMAQI
24th Sep 2026269 AMAQI
24th Sep 20263410 AMAQI
24th Sep 20261211 AMAQI
24th Sep 20261712 PMAQI
24th Sep 2026191 PMAQI
24th Sep 2026172 PMAQI
24th Sep 2026193 PMAQI
24th Sep 2026274 PMAQI
24th Sep 2026215 PMAQI
24th Sep 2026136 PMAQI
24th Sep 2026307 PMAQI
24th Sep 2026238 PMAQI
24th Sep 2026269 PMAQI
24th Sep 20262110 PMAQI
24th Sep 20261911 PMAQI
25th Sep 20262312 AMAQI
25th Sep 2026261 AMAQI
25th Sep 2026342 AMAQI
25th Sep 2026203 AMAQI
25th Sep 2026214 AMAQI
25th Sep 2026225 AMAQI

14°C10/21°C

25th Sep 2026316 AMAQI
25th Sep 2026377 AMAQI
25th Sep 2026218 AMAQI
25th Sep 2026289 AMAQI
25th Sep 20261710 AMAQI
25th Sep 20262111 AMAQI
25th Sep 20262212 PMAQI
25th Sep 2026261 PMAQI
25th Sep 2026252 PMAQI
25th Sep 2026233 PMAQI
25th Sep 2026174 PMAQI
25th Sep 2026295 PMAQI
25th Sep 2026196 PMAQI
25th Sep 2026207 PMAQI
25th Sep 2026318 PMAQI
25th Sep 2026309 PMAQI
25th Sep 20263410 PMAQI
25th Sep 20262711 PMAQI
26th Sep 20264412 AMAQI
26th Sep 2026411 AMAQI
26th Sep 2026312 AMAQI
26th Sep 2026213 AMAQI
26th Sep 2026264 AMAQI
26th Sep 2026275 AMAQI

13°C9/19°C

26th Sep 2026296 AMAQI
6 AM
26th Sep 2026457 AMAQI
26th Sep 2026408 AMAQI
26th Sep 2026259 AMAQI
26th Sep 20263910 AMAQI
26th Sep 20263211 AMAQI
26th Sep 20261912 PMAQI
12 PM
26th Sep 2026181 PMAQI
26th Sep 2026142 PMAQI
26th Sep 2026183 PMAQI
26th Sep 2026154 PMAQI
26th Sep 2026125 PMAQI
26th Sep 2026276 PMAQI
6 PM
26th Sep 2026267 PMAQI
26th Sep 2026288 PMAQI
26th Sep 2026149 PMAQI
26th Sep 20262010 PMAQI
26th Sep 20261811 PMAQI
12 AM
5 AM

13°C9/19°C

Day time
Avg. Highest Time
2 PM - 3 PM

26AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM

19AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 26), while the lowest AQI was between 11 AM to 11 AM (Avg. 19).
Night time
Avg. Highest Time
7 PM

27AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 5 AM

20AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 27), while the lowest AQI was between 2 AM to 5 AM (Avg. 20).

2026 Days Vs Air Quality

Quito, Pichincha, Ecuador

2026

99%

264

0.7%

2

Total number of days with different AQI categories in last 269 days in 2026 (96 days remaining)

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

Under WHO’s Safe Air Quality Limits: 99%

Health Risk Level:

Very Low

In 2026, 99% of 269 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

Quito, Pichincha, Ecuador

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
45AQI (US)
2nd January 2026
52AQI (US)
3rd January 2026
45AQI (US)
4th January 2026
54AQI (US)
5th January 2026
44AQI (US)
6th January 2026
41AQI (US)
7th January 2026
47AQI (US)
8th January 2026
45AQI (US)
9th January 2026
45AQI (US)
10th January 2026
48AQI (US)
11th January 2026
49AQI (US)
12th January 2026
30AQI (US)
13th January 2026
21AQI (US)
14th January 2026
23AQI (US)
15th January 2026
21AQI (US)
16th January 2026
22AQI (US)
17th January 2026
21AQI (US)
18th January 2026
17AQI (US)
19th January 2026
22AQI (US)
20th January 2026
22AQI (US)
21st January 2026
24AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
39AQI (US)
25th January 2026
40AQI (US)
26th January 2026
37AQI (US)
27th January 2026
33AQI (US)
28th January 2026
37AQI (US)
29th January 2026
36AQI (US)
30th January 2026
27AQI (US)
31st January 2026
33AQI (US)
1st February 2026
32AQI (US)
2nd February 2026
38AQI (US)
3rd February 2026
37AQI (US)
4th February 2026
39AQI (US)
5th February 2026
37AQI (US)
6th February 2026
33AQI (US)
7th February 2026
32AQI (US)
8th February 2026
34AQI (US)
9th February 2026
33AQI (US)
10th February 2026
31AQI (US)
11th February 2026
33AQI (US)
12th February 2026
38AQI (US)
13th February 2026
40AQI (US)
14th February 2026
40AQI (US)
15th February 2026
38AQI (US)
16th February 2026
36AQI (US)
17th February 2026
34AQI (US)
18th February 2026
37AQI (US)
19th February 2026
36AQI (US)
20th February 2026
33AQI (US)
21st February 2026
32AQI (US)
22nd February 2026
29AQI (US)
23rd February 2026
33AQI (US)
24th February 2026
33AQI (US)
25th February 2026
30AQI (US)
26th February 2026
33AQI (US)
27th February 2026
31AQI (US)
28th February 2026
28AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
31AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
41AQI (US)
5th March 2026
38AQI (US)
6th March 2026
39AQI (US)
7th March 2026
34AQI (US)
8th March 2026
34AQI (US)
9th March 2026
37AQI (US)
10th March 2026
33AQI (US)
11th March 2026
31AQI (US)
12th March 2026
33AQI (US)
13th March 2026
32AQI (US)
14th March 2026
30AQI (US)
15th March 2026
34AQI (US)
16th March 2026
34AQI (US)
17th March 2026
30AQI (US)
18th March 2026
30AQI (US)
19th March 2026
30AQI (US)
20th March 2026
31AQI (US)
21st March 2026
28AQI (US)
22nd March 2026
32AQI (US)
23rd March 2026
37AQI (US)
24th March 2026
33AQI (US)
25th March 2026
29AQI (US)
26th March 2026
33AQI (US)
27th March 2026
40AQI (US)
28th March 2026
33AQI (US)
29th March 2026
32AQI (US)
30th March 2026
27AQI (US)
31st March 2026
27AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
32AQI (US)
3rd April 2026
30AQI (US)
4th April 2026
25AQI (US)
5th April 2026
23AQI (US)
6th April 2026
25AQI (US)
7th April 2026
27AQI (US)
8th April 2026
26AQI (US)
9th April 2026
27AQI (US)
10th April 2026
28AQI (US)
11th April 2026
29AQI (US)
12th April 2026
26AQI (US)
13th April 2026
32AQI (US)
14th April 2026
36AQI (US)
15th April 2026
30AQI (US)
16th April 2026
29AQI (US)
17th April 2026
18th April 2026
29AQI (US)
19th April 2026
26AQI (US)
20th April 2026
30AQI (US)
21st April 2026
26AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
29AQI (US)
25th April 2026
29AQI (US)
26th April 2026
31AQI (US)
27th April 2026
29AQI (US)
28th April 2026
25AQI (US)
29th April 2026
22AQI (US)
30th April 2026
25AQI (US)
1st May 2026
28AQI (US)
2nd May 2026
27AQI (US)
3rd May 2026
27AQI (US)
4th May 2026
23AQI (US)
5th May 2026
26AQI (US)
6th May 2026
24AQI (US)
7th May 2026
23AQI (US)
8th May 2026
23AQI (US)
9th May 2026
10th May 2026
27AQI (US)
11th May 2026
24AQI (US)
12th May 2026
27AQI (US)
13th May 2026
31AQI (US)
14th May 2026
24AQI (US)
15th May 2026
21AQI (US)
16th May 2026
21AQI (US)
17th May 2026
22AQI (US)
18th May 2026
16AQI (US)
19th May 2026
30AQI (US)
20th May 2026
39AQI (US)
21st May 2026
32AQI (US)
22nd May 2026
33AQI (US)
23rd May 2026
23AQI (US)
24th May 2026
33AQI (US)
25th May 2026
32AQI (US)
26th May 2026
36AQI (US)
27th May 2026
36AQI (US)
28th May 2026
37AQI (US)
29th May 2026
32AQI (US)
30th May 2026
29AQI (US)
31st May 2026
28AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
34AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
19AQI (US)
5th June 2026
17AQI (US)
6th June 2026
26AQI (US)
7th June 2026
20AQI (US)
8th June 2026
23AQI (US)
9th June 2026
20AQI (US)
10th June 2026
20AQI (US)
11th June 2026
19AQI (US)
12th June 2026
18AQI (US)
13th June 2026
25AQI (US)
14th June 2026
28AQI (US)
15th June 2026
32AQI (US)
16th June 2026
35AQI (US)
17th June 2026
24AQI (US)
18th June 2026
27AQI (US)
19th June 2026
30AQI (US)
20th June 2026
36AQI (US)
21st June 2026
33AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
30AQI (US)
24th June 2026
33AQI (US)
25th June 2026
36AQI (US)
26th June 2026
34AQI (US)
27th June 2026
28AQI (US)
28th June 2026
34AQI (US)
29th June 2026
36AQI (US)
30th June 2026
34AQI (US)
1st July 2026
33AQI (US)
2nd July 2026
37AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
17AQI (US)
5th July 2026
25AQI (US)
6th July 2026
35AQI (US)
7th July 2026
35AQI (US)
8th July 2026
32AQI (US)
9th July 2026
32AQI (US)
10th July 2026
27AQI (US)
11th July 2026
18AQI (US)
12th July 2026
17AQI (US)
13th July 2026
26AQI (US)
14th July 2026
24AQI (US)
15th July 2026
27AQI (US)
16th July 2026
29AQI (US)
17th July 2026
25AQI (US)
18th July 2026
19AQI (US)
19th July 2026
18AQI (US)
20th July 2026
20AQI (US)
21st July 2026
21AQI (US)
22nd July 2026
24AQI (US)
23rd July 2026
24AQI (US)
24th July 2026
26AQI (US)
25th July 2026
23AQI (US)
26th July 2026
20AQI (US)
27th July 2026
19AQI (US)
28th July 2026
27AQI (US)
29th July 2026
22AQI (US)
30th July 2026
20AQI (US)
31st July 2026
29AQI (US)
1st August 2026
28AQI (US)
2nd August 2026
30AQI (US)
3rd August 2026
27AQI (US)
4th August 2026
26AQI (US)
5th August 2026
17AQI (US)
6th August 2026
24AQI (US)
7th August 2026
26AQI (US)
8th August 2026
19AQI (US)
9th August 2026
24AQI (US)
10th August 2026
29AQI (US)
11th August 2026
26AQI (US)
12th August 2026
26AQI (US)
13th August 2026
26AQI (US)
14th August 2026
24AQI (US)
15th August 2026
24AQI (US)
16th August 2026
24AQI (US)
17th August 2026
21AQI (US)
18th August 2026
22AQI (US)
19th August 2026
22AQI (US)
20th August 2026
26AQI (US)
21st August 2026
27AQI (US)
22nd August 2026
24AQI (US)
23rd August 2026
26AQI (US)
24th August 2026
21AQI (US)
25th August 2026
22AQI (US)
26th August 2026
19AQI (US)
27th August 2026
23AQI (US)
28th August 2026
26AQI (US)
29th August 2026
23AQI (US)
30th August 2026
22AQI (US)
31st August 2026
23AQI (US)
1st September 2026
26AQI (US)
2nd September 2026
23AQI (US)
3rd September 2026
17AQI (US)
4th September 2026
22AQI (US)
5th September 2026
24AQI (US)
6th September 2026
28AQI (US)
7th September 2026
20AQI (US)
8th September 2026
24AQI (US)
9th September 2026
25AQI (US)
10th September 2026
23AQI (US)
11th September 2026
20AQI (US)
12th September 2026
20AQI (US)
13th September 2026
18AQI (US)
14th September 2026
20AQI (US)
15th September 2026
23AQI (US)
16th September 2026
18AQI (US)
17th September 2026
19AQI (US)
18th September 2026
23AQI (US)
19th September 2026
28AQI (US)
20th September 2026
18AQI (US)
21st September 2026
25AQI (US)
22nd September 2026
26AQI (US)
23rd September 2026
24AQI (US)
24th September 2026
23AQI (US)
25th September 2026
25AQI (US)
26th September 2026
26AQI (US)
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

35AQI (US)

34AQI (US)

33AQI (US)

28AQI (US)

28AQI (US)

28AQI (US)

25AQI (US)

24AQI (US)

23AQI (US)

No. of days

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

202629AQI (US)

29
2
28
31
28
30
30
31
31
26
264
2

Highest AQI (US) recorded in

January

35AQI (US)

Lowest AQI (US) recorded in

September

23AQI (US)

202549AQI (US)

8
23
14
14
17
14
11
19
23
8
30
29
2
15
16
12
18
2
29
4
26
14
17
179
186

Highest AQI (US) recorded in

October

58AQI (US)

Lowest AQI (US) recorded in

June

36AQI (US)

202455AQI (US)

15
16
16
13
10
21
9
21
14
17
19
11
25
6
10
21
30
12
19
9
21
4
27
143
223

Highest AQI (US) recorded in

September

71AQI (US)

Lowest AQI (US) recorded in

July

45AQI (US)

202353AQI (US)

12
12
13
17
19
12
16
14
26
5
13
18
2
28
4
25
6
23
17
14
128
168

Highest AQI (US) recorded in

September

67AQI (US)

Lowest AQI (US) recorded in

July

45AQI (US)

202252AQI (US)

1
3
11
7
17
14
6
11
1
4
36
39

Highest AQI (US) recorded in

May

57AQI (US)

Lowest AQI (US) recorded in

February

50AQI (US)

202154AQI (US)

20
9
14
13
16
15
14
16
15
16
8
21
2
4
1
26
2
28
1
30
9
21
13
18
115
217

Highest AQI (US) recorded in

October

66AQI (US)

Lowest AQI (US) recorded in

January

47AQI (US)

202054AQI (US)

8
5
18
2
13
4
18
12
16
15
9
22
3
21
4
27
29
1
13
18
102
155
1

Highest AQI (US) recorded in

November

74AQI (US)

Lowest AQI (US) recorded in

April

42AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
55AQI (US)
Least Polluted Year Recorded
2026(Avg.)
29AQI (US)

Quito's annual 2026 AQI (US) (29) shows an average percentage change of -45.03% (improved AQI (US)) compared to previous years: 2020 (54), 2021 (54), 2022 (52), 2023 (53), 2024 (55), 2025 (49).