Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Perth, Western Australia, Australia 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

Perth, Western Australia, Australia

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
34AQI
Lowest AQI recorded on
1st Aug 2023
13AQI

Same Day Analysis (31st August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 22 of Good air quality on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Perth, Western Australia, Australia

AQI
Day
Night
.

7 AM31st Jul 2026

5 PM

6 AM1st Aug 2026

Day time
Avg. Highest Time
11AM31st Jul

22AQI

Avg. Lowest Time
5PM31st Jul

16AQI

Night time
Avg. Highest Time
10PM31st Jul

19AQI

Avg. Lowest Time
6AM1st Aug

13AQI

In the last 24 hours,

Perth's AQI reached its highest point of 22 at 11 AM during the Day, while the lowest point, 13, was recorded at 6 AM during the Night between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Perth, Western Australia, Australia

JulAug
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 - 31st31st - 01st01st
Day
Night
3rd Jul 2026247 AMAQI
3rd Jul 2026218 AMAQI
3rd Jul 2026229 AMAQI
3rd Jul 20262010 AMAQI
3rd Jul 20262011 AMAQI
3rd Jul 20262412 PMAQI
3rd Jul 2026231 PMAQI
3rd Jul 2026142 PMAQI
3rd Jul 202653 PMAQI
3rd Jul 202654 PMAQI
3rd Jul 2026145 PMAQI
3rd Jul 202666 PMAQI
3rd Jul 202667 PMAQI
3rd Jul 2026208 PMAQI
3rd Jul 2026209 PMAQI
3rd Jul 20262010 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262412 AMAQI
4th Jul 2026241 AMAQI
4th Jul 2026202 AMAQI
4th Jul 2026223 AMAQI
4th Jul 2026234 AMAQI
4th Jul 2026145 AMAQI
4th Jul 2026226 AMAQI

13°C11/17°C

4th Jul 2026217 AMAQI
4th Jul 2026218 AMAQI
4th Jul 2026149 AMAQI
4th Jul 20262110 AMAQI
4th Jul 20262011 AMAQI
4th Jul 20261912 PMAQI
4th Jul 2026201 PMAQI
4th Jul 202692 PMAQI
4th Jul 2026143 PMAQI
4th Jul 2026134 PMAQI
4th Jul 2026125 PMAQI
4th Jul 2026136 PMAQI
4th Jul 2026177 PMAQI
4th Jul 2026198 PMAQI
4th Jul 2026209 PMAQI
4th Jul 20261810 PMAQI
4th Jul 20262011 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026201 AMAQI
5th Jul 2026222 AMAQI
5th Jul 2026223 AMAQI
5th Jul 2026214 AMAQI
5th Jul 2026205 AMAQI
5th Jul 2026206 AMAQI

13°C10/18°C

5th Jul 2026207 AMAQI
5th Jul 2026168 AMAQI
5th Jul 2026169 AMAQI
5th Jul 20261610 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026142 PMAQI
5th Jul 202653 PMAQI
5th Jul 202644 PMAQI
5th Jul 202645 PMAQI
5th Jul 202646 PMAQI
5th Jul 202647 PMAQI
5th Jul 202668 PMAQI
5th Jul 2026189 PMAQI
5th Jul 20261410 PMAQI
5th Jul 20261111 PMAQI
6th Jul 20262212 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026172 AMAQI
6th Jul 2026133 AMAQI
6th Jul 202684 AMAQI
6th Jul 2026165 AMAQI
6th Jul 2026126 AMAQI

15°C11/19°C

6th Jul 2026227 AMAQI
6th Jul 2026168 AMAQI
6th Jul 2026249 AMAQI
6th Jul 20262610 AMAQI
6th Jul 20261611 AMAQI
6th Jul 2026912 PMAQI
6th Jul 2026141 PMAQI
6th Jul 2026142 PMAQI
6th Jul 2026153 PMAQI
6th Jul 2026104 PMAQI
6th Jul 2026105 PMAQI
6th Jul 202666 PMAQI
6th Jul 202647 PMAQI
6th Jul 202648 PMAQI
6th Jul 202649 PMAQI
6th Jul 2026510 PMAQI
6th Jul 20261311 PMAQI
7th Jul 20261212 AMAQI
7th Jul 2026181 AMAQI
7th Jul 202672 AMAQI
7th Jul 2026293 AMAQI
7th Jul 2026144 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026306 AMAQI

14°C12/18°C

7th Jul 2026187 AMAQI
7th Jul 2026108 AMAQI
7th Jul 202649 AMAQI
7th Jul 2026410 AMAQI
7th Jul 2026411 AMAQI
7th Jul 2026412 PMAQI
7th Jul 2026141 PMAQI
7th Jul 2026162 PMAQI
7th Jul 2026153 PMAQI
7th Jul 2026224 PMAQI
7th Jul 2026215 PMAQI
7th Jul 2026166 PMAQI
7th Jul 2026157 PMAQI
7th Jul 2026158 PMAQI
7th Jul 202679 PMAQI
7th Jul 20261610 PMAQI
7th Jul 20261811 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026331 AMAQI
8th Jul 2026322 AMAQI
8th Jul 2026193 AMAQI
8th Jul 2026174 AMAQI
8th Jul 202685 AMAQI
8th Jul 202686 AMAQI

14°C10/20°C

8th Jul 202677 AMAQI
8th Jul 202688 AMAQI
8th Jul 2026129 AMAQI
8th Jul 20261610 AMAQI
8th Jul 20261711 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026151 PMAQI
8th Jul 2026122 PMAQI
8th Jul 202663 PMAQI
8th Jul 202654 PMAQI
8th Jul 202655 PMAQI
8th Jul 2026116 PMAQI
8th Jul 202667 PMAQI
8th Jul 2026108 PMAQI
8th Jul 2026129 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20263111 PMAQI
9th Jul 20263612 AMAQI
9th Jul 2026451 AMAQI
9th Jul 2026342 AMAQI
9th Jul 2026343 AMAQI
9th Jul 2026244 AMAQI
9th Jul 2026205 AMAQI
9th Jul 2026176 AMAQI

15°C11/20°C

9th Jul 2026157 AMAQI
9th Jul 2026148 AMAQI
9th Jul 2026149 AMAQI
9th Jul 20262210 AMAQI
9th Jul 2026611 AMAQI
9th Jul 2026912 PMAQI
9th Jul 202691 PMAQI
9th Jul 2026102 PMAQI
9th Jul 2026143 PMAQI
9th Jul 2026174 PMAQI
9th Jul 2026105 PMAQI
9th Jul 2026106 PMAQI
9th Jul 2026187 PMAQI
9th Jul 2026148 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262710 PMAQI
9th Jul 20262511 PMAQI
10th Jul 20264612 AMAQI
10th Jul 2026621 AMAQI
10th Jul 2026132 AMAQI
10th Jul 2026233 AMAQI
10th Jul 202694 AMAQI
10th Jul 202675 AMAQI
10th Jul 202696 AMAQI

16°C12/20°C

10th Jul 202667 AMAQI
10th Jul 202688 AMAQI
10th Jul 2026169 AMAQI
10th Jul 20262010 AMAQI
10th Jul 20261511 AMAQI
10th Jul 20261912 PMAQI
10th Jul 2026141 PMAQI
10th Jul 202662 PMAQI
10th Jul 202673 PMAQI
10th Jul 202684 PMAQI
10th Jul 2026185 PMAQI
10th Jul 2026116 PMAQI
10th Jul 2026117 PMAQI
10th Jul 202648 PMAQI
10th Jul 202679 PMAQI
10th Jul 2026810 PMAQI
10th Jul 2026711 PMAQI
11th Jul 20261412 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026142 AMAQI
11th Jul 2026123 AMAQI
11th Jul 2026184 AMAQI
11th Jul 2026155 AMAQI
11th Jul 2026206 AMAQI

15°C11/18°C

11th Jul 2026287 AMAQI
11th Jul 2026148 AMAQI
11th Jul 2026189 AMAQI
11th Jul 20261610 AMAQI
11th Jul 20262211 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026181 PMAQI
11th Jul 2026102 PMAQI
11th Jul 2026183 PMAQI
11th Jul 202644 PMAQI
11th Jul 202655 PMAQI
11th Jul 202646 PMAQI
11th Jul 202667 PMAQI
11th Jul 2026148 PMAQI
11th Jul 202689 PMAQI
11th Jul 20261410 PMAQI
11th Jul 20261811 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026271 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026284 AMAQI
12th Jul 2026275 AMAQI
12th Jul 2026286 AMAQI

13°C9/17°C

12th Jul 2026287 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262410 AMAQI
12th Jul 20262011 AMAQI
12th Jul 20262012 PMAQI
12th Jul 2026201 PMAQI
12th Jul 2026202 PMAQI
12th Jul 2026173 PMAQI
12th Jul 2026254 PMAQI
12th Jul 202645 PMAQI
12th Jul 2026106 PMAQI
12th Jul 202667 PMAQI
12th Jul 2026178 PMAQI
12th Jul 2026169 PMAQI
12th Jul 20262210 PMAQI
12th Jul 20261811 PMAQI
13th Jul 20262112 AMAQI
13th Jul 2026211 AMAQI
13th Jul 2026222 AMAQI
13th Jul 2026203 AMAQI
13th Jul 2026214 AMAQI
13th Jul 2026155 AMAQI
13th Jul 2026146 AMAQI

12°C9/17°C

13th Jul 2026167 AMAQI
13th Jul 2026218 AMAQI
13th Jul 2026249 AMAQI
13th Jul 20261610 AMAQI
13th Jul 20261611 AMAQI
13th Jul 20261712 PMAQI
13th Jul 2026171 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026153 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026225 PMAQI
13th Jul 2026146 PMAQI
13th Jul 2026107 PMAQI
13th Jul 2026108 PMAQI
13th Jul 202649 PMAQI
13th Jul 20261310 PMAQI
13th Jul 20261411 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026233 AMAQI
14th Jul 2026284 AMAQI
14th Jul 2026385 AMAQI
14th Jul 2026226 AMAQI

13°C9/18°C

14th Jul 2026147 AMAQI
14th Jul 2026148 AMAQI
14th Jul 202689 AMAQI
14th Jul 2026810 AMAQI
14th Jul 2026911 AMAQI
14th Jul 2026812 PMAQI
14th Jul 2026101 PMAQI
14th Jul 2026122 PMAQI
14th Jul 202693 PMAQI
14th Jul 202694 PMAQI
14th Jul 202685 PMAQI
14th Jul 202686 PMAQI
14th Jul 2026187 PMAQI
14th Jul 2026178 PMAQI
14th Jul 2026239 PMAQI
14th Jul 20261710 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026281 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026373 AMAQI
15th Jul 2026404 AMAQI
15th Jul 2026465 AMAQI
15th Jul 2026306 AMAQI

13°C9/19°C

15th Jul 2026157 AMAQI
15th Jul 2026178 AMAQI
15th Jul 2026239 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262111 AMAQI
15th Jul 20261612 PMAQI
15th Jul 2026141 PMAQI
15th Jul 202682 PMAQI
15th Jul 202683 PMAQI
15th Jul 202684 PMAQI
15th Jul 2026125 PMAQI
15th Jul 2026106 PMAQI
15th Jul 2026127 PMAQI
15th Jul 2026118 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20263410 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026371 AMAQI
16th Jul 2026202 AMAQI
16th Jul 2026113 AMAQI
16th Jul 2026174 AMAQI
16th Jul 2026125 AMAQI
16th Jul 202676 AMAQI

17°C12/23°C

16th Jul 2026167 AMAQI
16th Jul 2026208 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20264210 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20261612 PMAQI
16th Jul 202681 PMAQI
16th Jul 202682 PMAQI
16th Jul 202663 PMAQI
16th Jul 202664 PMAQI
16th Jul 2026155 PMAQI
16th Jul 202656 PMAQI
16th Jul 202647 PMAQI
16th Jul 202678 PMAQI
16th Jul 202689 PMAQI
16th Jul 2026710 PMAQI
16th Jul 2026611 PMAQI
17th Jul 2026712 AMAQI
17th Jul 202681 AMAQI
17th Jul 2026102 AMAQI
17th Jul 2026163 AMAQI
17th Jul 2026184 AMAQI
17th Jul 2026215 AMAQI
17th Jul 2026226 AMAQI

17°C15/20°C

17th Jul 2026277 AMAQI
17th Jul 2026208 AMAQI
17th Jul 2026109 AMAQI
17th Jul 20261210 AMAQI
17th Jul 20261611 AMAQI
17th Jul 20261412 PMAQI
17th Jul 2026141 PMAQI
17th Jul 202682 PMAQI
17th Jul 2026143 PMAQI
17th Jul 2026134 PMAQI
17th Jul 2026125 PMAQI
17th Jul 2026116 PMAQI
17th Jul 2026137 PMAQI
17th Jul 2026128 PMAQI
17th Jul 2026129 PMAQI
17th Jul 20261410 PMAQI
17th Jul 20261611 PMAQI
18th Jul 20261612 AMAQI
18th Jul 2026141 AMAQI
18th Jul 2026162 AMAQI
18th Jul 2026193 AMAQI
18th Jul 2026174 AMAQI
18th Jul 2026185 AMAQI
18th Jul 2026166 AMAQI

16°C14/19°C

18th Jul 2026167 AMAQI
18th Jul 2026168 AMAQI
18th Jul 2026189 AMAQI
18th Jul 20262010 AMAQI
18th Jul 20262211 AMAQI
18th Jul 20262112 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026203 PMAQI
18th Jul 2026244 PMAQI
18th Jul 2026245 PMAQI
18th Jul 2026226 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20262810 PMAQI
18th Jul 20262611 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026241 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026243 AMAQI
19th Jul 2026244 AMAQI
19th Jul 2026215 AMAQI
19th Jul 2026226 AMAQI

15°C14/16°C

19th Jul 2026237 AMAQI
19th Jul 2026198 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20262410 AMAQI
19th Jul 20262011 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026201 PMAQI
19th Jul 2026182 PMAQI
19th Jul 2026173 PMAQI
19th Jul 2026184 PMAQI
19th Jul 2026185 PMAQI
19th Jul 2026166 PMAQI
19th Jul 2026187 PMAQI
19th Jul 2026188 PMAQI
19th Jul 2026169 PMAQI
19th Jul 20261810 PMAQI
19th Jul 20261911 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026263 AMAQI
20th Jul 2026264 AMAQI
20th Jul 2026245 AMAQI
20th Jul 2026276 AMAQI

14°C12/17°C

20th Jul 2026247 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026229 AMAQI
20th Jul 20262410 AMAQI
20th Jul 20262411 AMAQI
20th Jul 20262712 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026225 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026207 PMAQI
20th Jul 2026208 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026313 AMAQI
21st Jul 2026294 AMAQI
21st Jul 2026265 AMAQI
21st Jul 2026266 AMAQI

13°C9/17°C

21st Jul 2026247 AMAQI
21st Jul 2026248 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262410 AMAQI
21st Jul 20262412 PMAQI
21st Jul 2026221 PMAQI
21st Jul 2026212 PMAQI
21st Jul 2026203 PMAQI
21st Jul 2026224 PMAQI
21st Jul 2026225 PMAQI
21st Jul 2026756 PMAQI
21st Jul 2026227 PMAQI
21st Jul 2026208 PMAQI
21st Jul 2026229 PMAQI
21st Jul 20262010 PMAQI
21st Jul 20261811 PMAQI
22nd Jul 20262412 AMAQI
22nd Jul 2026301 AMAQI
22nd Jul 2026242 AMAQI
22nd Jul 2026243 AMAQI
22nd Jul 2026214 AMAQI
22nd Jul 2026185 AMAQI
22nd Jul 2026196 AMAQI

13°C11/16°C

22nd Jul 2026207 AMAQI
22nd Jul 2026198 AMAQI
22nd Jul 2026199 AMAQI
22nd Jul 20261810 AMAQI
22nd Jul 20261911 AMAQI
22nd Jul 20261912 PMAQI
22nd Jul 2026161 PMAQI
22nd Jul 2026162 PMAQI
22nd Jul 2026143 PMAQI
22nd Jul 2026144 PMAQI
22nd Jul 2026135 PMAQI
22nd Jul 2026166 PMAQI
22nd Jul 2026137 PMAQI
22nd Jul 2026168 PMAQI
22nd Jul 2026169 PMAQI
22nd Jul 20261810 PMAQI
22nd Jul 20262011 PMAQI
23rd Jul 20261812 AMAQI
23rd Jul 2026201 AMAQI
23rd Jul 2026222 AMAQI
23rd Jul 2026193 AMAQI
23rd Jul 2026184 AMAQI
23rd Jul 2026195 AMAQI
23rd Jul 2026166 AMAQI

12°C8/16°C

23rd Jul 2026177 AMAQI
23rd Jul 2026148 AMAQI
23rd Jul 2026179 AMAQI
23rd Jul 20261810 AMAQI
23rd Jul 20261711 AMAQI
23rd Jul 20261812 PMAQI
23rd Jul 2026161 PMAQI
23rd Jul 2026162 PMAQI
23rd Jul 2026163 PMAQI
23rd Jul 2026164 PMAQI
23rd Jul 2026165 PMAQI
23rd Jul 2026146 PMAQI
23rd Jul 2026177 PMAQI
23rd Jul 2026168 PMAQI
23rd Jul 2026169 PMAQI
23rd Jul 20261910 PMAQI
23rd Jul 20261611 PMAQI
24th Jul 20261612 AMAQI
24th Jul 2026171 AMAQI
24th Jul 2026142 AMAQI
24th Jul 2026143 AMAQI
24th Jul 2026144 AMAQI
24th Jul 2026135 AMAQI
24th Jul 2026136 AMAQI

12°C9/17°C

24th Jul 2026137 AMAQI
24th Jul 2026148 AMAQI
24th Jul 2026139 AMAQI
24th Jul 20261410 AMAQI
24th Jul 20261211 AMAQI
24th Jul 20261212 PMAQI
24th Jul 2026121 PMAQI
24th Jul 2026122 PMAQI
24th Jul 2026123 PMAQI
24th Jul 2026124 PMAQI
24th Jul 2026125 PMAQI
24th Jul 2026136 PMAQI
24th Jul 2026127 PMAQI
24th Jul 2026138 PMAQI
24th Jul 2026149 PMAQI
24th Jul 20261610 PMAQI
24th Jul 20261811 PMAQI
25th Jul 20261612 AMAQI
25th Jul 2026191 AMAQI
25th Jul 2026172 AMAQI
25th Jul 2026183 AMAQI
25th Jul 2026144 AMAQI
25th Jul 2026145 AMAQI
25th Jul 2026166 AMAQI

12°C8/17°C

25th Jul 2026147 AMAQI
25th Jul 2026148 AMAQI
25th Jul 2026139 AMAQI
25th Jul 20261610 AMAQI
25th Jul 20261311 AMAQI
25th Jul 20261412 PMAQI
25th Jul 2026121 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026163 PMAQI
25th Jul 2026124 PMAQI
25th Jul 2026125 PMAQI
25th Jul 2026126 PMAQI
25th Jul 2026167 PMAQI
25th Jul 2026148 PMAQI
25th Jul 2026209 PMAQI
25th Jul 20262010 PMAQI
25th Jul 20261911 PMAQI
26th Jul 20261812 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026192 AMAQI
26th Jul 2026163 AMAQI
26th Jul 2026164 AMAQI
26th Jul 2026165 AMAQI
26th Jul 2026176 AMAQI

13°C8/19°C

26th Jul 2026137 AMAQI
26th Jul 2026128 AMAQI
26th Jul 2026139 AMAQI
26th Jul 20261610 AMAQI
26th Jul 20261411 AMAQI
26th Jul 20261812 PMAQI
26th Jul 2026201 PMAQI
26th Jul 2026222 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026204 PMAQI
26th Jul 2026195 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026227 PMAQI
26th Jul 2026268 PMAQI
26th Jul 2026269 PMAQI
26th Jul 20262610 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262812 AMAQI
27th Jul 2026281 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026224 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026206 AMAQI

14°C13/17°C

27th Jul 2026227 AMAQI
27th Jul 2026228 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262010 AMAQI
27th Jul 20262211 AMAQI
27th Jul 20261912 PMAQI
27th Jul 2026181 PMAQI
27th Jul 2026162 PMAQI
27th Jul 2026193 PMAQI
27th Jul 2026174 PMAQI
27th Jul 2026185 PMAQI
27th Jul 2026176 PMAQI
27th Jul 2026147 PMAQI
27th Jul 2026188 PMAQI
27th Jul 2026179 PMAQI
27th Jul 20261610 PMAQI
27th Jul 20261611 PMAQI
28th Jul 20261812 AMAQI
28th Jul 2026201 AMAQI
28th Jul 2026192 AMAQI
28th Jul 2026173 AMAQI
28th Jul 2026184 AMAQI
28th Jul 2026205 AMAQI
28th Jul 2026176 AMAQI

13°C10/17°C

28th Jul 2026197 AMAQI
28th Jul 2026168 AMAQI
28th Jul 2026189 AMAQI
28th Jul 20261610 AMAQI
28th Jul 20261611 AMAQI
28th Jul 20261412 PMAQI
28th Jul 2026141 PMAQI
28th Jul 2026162 PMAQI
28th Jul 2026163 PMAQI
28th Jul 2026144 PMAQI
28th Jul 2026135 PMAQI
28th Jul 2026136 PMAQI
28th Jul 2026147 PMAQI
28th Jul 2026148 PMAQI
28th Jul 2026149 PMAQI
28th Jul 20261210 PMAQI
28th Jul 20261311 PMAQI
29th Jul 20261112 AMAQI
29th Jul 2026121 AMAQI
29th Jul 2026112 AMAQI
29th Jul 2026113 AMAQI
29th Jul 2026134 AMAQI
29th Jul 2026125 AMAQI
29th Jul 2026116 AMAQI

12°C8/17°C

29th Jul 2026107 AMAQI
29th Jul 2026108 AMAQI
29th Jul 2026109 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20261311 AMAQI
29th Jul 20261012 PMAQI
29th Jul 2026101 PMAQI
29th Jul 2026112 PMAQI
29th Jul 2026103 PMAQI
29th Jul 2026104 PMAQI
29th Jul 2026105 PMAQI
29th Jul 2026116 PMAQI
29th Jul 2026107 PMAQI
29th Jul 2026108 PMAQI
29th Jul 2026129 PMAQI
29th Jul 20261310 PMAQI
29th Jul 20261311 PMAQI
30th Jul 20261212 AMAQI
30th Jul 2026121 AMAQI
30th Jul 2026122 AMAQI
30th Jul 2026123 AMAQI
30th Jul 2026124 AMAQI
30th Jul 2026125 AMAQI
30th Jul 2026126 AMAQI

13°C9/18°C

30th Jul 2026127 AMAQI
30th Jul 2026118 AMAQI
30th Jul 2026129 AMAQI
30th Jul 20261210 AMAQI
30th Jul 20261211 AMAQI
30th Jul 20261212 PMAQI
30th Jul 2026121 PMAQI
30th Jul 2026122 PMAQI
30th Jul 2026133 PMAQI
30th Jul 2026134 PMAQI
30th Jul 2026135 PMAQI
30th Jul 2026166 PMAQI
30th Jul 2026147 PMAQI
30th Jul 2026178 PMAQI
30th Jul 2026179 PMAQI
30th Jul 20261610 PMAQI
30th Jul 20261611 PMAQI
31st Jul 20261712 AMAQI
31st Jul 2026201 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026203 AMAQI
31st Jul 2026204 AMAQI
31st Jul 2026225 AMAQI
31st Jul 2026196 AMAQI

14°C10/20°C

31st Jul 2026197 AMAQI
31st Jul 2026208 AMAQI
31st Jul 2026209 AMAQI
31st Jul 20262010 AMAQI
31st Jul 20262211 AMAQI
31st Jul 20262012 PMAQI
31st Jul 2026171 PMAQI
31st Jul 2026182 PMAQI
31st Jul 2026163 PMAQI
31st Jul 2026184 PMAQI
31st Jul 2026165 PMAQI
31st Jul 2026166 PMAQI
31st Jul 2026187 PMAQI
31st Jul 2026168 PMAQI
31st Jul 2026169 PMAQI
31st Jul 20261910 PMAQI
31st Jul 20261611 PMAQI
1st Aug 20261912 AMAQI
1st Aug 2026191 AMAQI
1st Aug 2026182 AMAQI
1st Aug 2026183 AMAQI
1st Aug 2026174 AMAQI
1st Aug 2026155 AMAQI
1st Aug 2026136 AMAQI

15°C10/20°C

1st Aug 2026167 AMAQI
7 AM
1st Aug 2026168 AMAQI
1st Aug 2026149 AMAQI
1st Aug 20261610 AMAQI
1st Aug 20261611 AMAQI
1st Aug 20261812 PMAQI
12 PM
1st Aug 2026201 PMAQI
1st Aug 2026192 PMAQI
1st Aug 2026173 PMAQI
1st Aug 2026164 PMAQI
1st Aug 2026165 PMAQI
5 PM
1st Aug 2026146 PMAQI
1st Aug 2026167 PMAQI
1st Aug 2026168 PMAQI
1st Aug 2026209 PMAQI
1st Aug 20262010 PMAQI
1st Aug 20262111 PMAQI
12 AM
6 AM

14°C10/16°C

Day time
Avg. Highest Time
10 AM

19AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 5 PM

14AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 19), while the lowest AQI was between 3 PM to 5 PM (Avg. 14).
Night time
Avg. Highest Time
1 AM

24AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

13AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 24), while the lowest AQI was between 7 PM to 7 PM (Avg. 13).

2026 Days Vs Air Quality

Perth, Western Australia, Australia

2026

99%

206

1%

3

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
206 Days
Moderate
3 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 213 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

Perth, Western Australia, Australia

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
22AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
30AQI (US)
4th January 2026
23AQI (US)
5th January 2026
30AQI (US)
6th January 2026
25AQI (US)
7th January 2026
25AQI (US)
8th January 2026
18AQI (US)
9th January 2026
16AQI (US)
10th January 2026
18AQI (US)
11th January 2026
18AQI (US)
12th January 2026
22AQI (US)
13th January 2026
16AQI (US)
14th January 2026
12AQI (US)
15th January 2026
17AQI (US)
16th January 2026
24AQI (US)
17th January 2026
16AQI (US)
18th January 2026
21AQI (US)
19th January 2026
50AQI (US)
20th January 2026
16AQI (US)
21st January 2026
24AQI (US)
22nd January 2026
29AQI (US)
23rd January 2026
43AQI (US)
24th January 2026
34AQI (US)
25th January 2026
38AQI (US)
26th January 2026
40AQI (US)
27th January 2026
24AQI (US)
28th January 2026
20AQI (US)
29th January 2026
28AQI (US)
30th January 2026
43AQI (US)
31st January 2026
32AQI (US)
1st February 2026
30AQI (US)
2nd February 2026
32AQI (US)
3rd February 2026
46AQI (US)
4th February 2026
46AQI (US)
5th February 2026
40AQI (US)
6th February 2026
28AQI (US)
7th February 2026
36AQI (US)
8th February 2026
26AQI (US)
9th February 2026
32AQI (US)
10th February 2026
46AQI (US)
11th February 2026
42AQI (US)
12th February 2026
38AQI (US)
13th February 2026
50AQI (US)
14th February 2026
44AQI (US)
15th February 2026
34AQI (US)
16th February 2026
29AQI (US)
17th February 2026
32AQI (US)
18th February 2026
34AQI (US)
19th February 2026
22AQI (US)
20th February 2026
32AQI (US)
21st February 2026
36AQI (US)
22nd February 2026
30AQI (US)
23rd February 2026
10AQI (US)
24th February 2026
11AQI (US)
25th February 2026
30AQI (US)
26th February 2026
22AQI (US)
27th February 2026
42AQI (US)
28th February 2026
46AQI (US)
1st March 2026
27AQI (US)
2nd March 2026
44AQI (US)
3rd March 2026
42AQI (US)
4th March 2026
46AQI (US)
5th March 2026
44AQI (US)
6th March 2026
35AQI (US)
7th March 2026
38AQI (US)
8th March 2026
46AQI (US)
9th March 2026
47AQI (US)
10th March 2026
38AQI (US)
11th March 2026
40AQI (US)
12th March 2026
42AQI (US)
13th March 2026
43AQI (US)
14th March 2026
44AQI (US)
15th March 2026
44AQI (US)
16th March 2026
47AQI (US)
17th March 2026
36AQI (US)
18th March 2026
36AQI (US)
19th March 2026
36AQI (US)
20th March 2026
30AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
14AQI (US)
23rd March 2026
19AQI (US)
24th March 2026
35AQI (US)
25th March 2026
46AQI (US)
26th March 2026
30AQI (US)
27th March 2026
28AQI (US)
28th March 2026
20AQI (US)
29th March 2026
44AQI (US)
30th March 2026
36AQI (US)
31st March 2026
46AQI (US)
1st April 2026
17AQI (US)
2nd April 2026
26AQI (US)
3rd April 2026
32AQI (US)
4th April 2026
32AQI (US)
5th April 2026
38AQI (US)
6th April 2026
32AQI (US)
7th April 2026
32AQI (US)
8th April 2026
17AQI (US)
9th April 2026
18AQI (US)
10th April 2026
29AQI (US)
11th April 2026
20AQI (US)
12th April 2026
14AQI (US)
13th April 2026
26AQI (US)
14th April 2026
11AQI (US)
15th April 2026
12AQI (US)
16th April 2026
36AQI (US)
17th April 2026
18th April 2026
14AQI (US)
19th April 2026
24AQI (US)
20th April 2026
28AQI (US)
21st April 2026
11AQI (US)
22nd April 2026
23rd April 2026
41AQI (US)
24th April 2026
44AQI (US)
25th April 2026
44AQI (US)
26th April 2026
45AQI (US)
27th April 2026
42AQI (US)
28th April 2026
28AQI (US)
29th April 2026
26AQI (US)
30th April 2026
40AQI (US)
1st May 2026
30AQI (US)
2nd May 2026
34AQI (US)
3rd May 2026
26AQI (US)
4th May 2026
19AQI (US)
5th May 2026
18AQI (US)
6th May 2026
28AQI (US)
7th May 2026
11AQI (US)
8th May 2026
7AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
26AQI (US)
12th May 2026
28AQI (US)
13th May 2026
23AQI (US)
14th May 2026
27AQI (US)
15th May 2026
28AQI (US)
16th May 2026
72AQI (US)
17th May 2026
55AQI (US)
18th May 2026
47AQI (US)
19th May 2026
44AQI (US)
20th May 2026
57AQI (US)
21st May 2026
48AQI (US)
22nd May 2026
46AQI (US)
23rd May 2026
43AQI (US)
24th May 2026
48AQI (US)
25th May 2026
36AQI (US)
26th May 2026
30AQI (US)
27th May 2026
17AQI (US)
28th May 2026
22AQI (US)
29th May 2026
22AQI (US)
30th May 2026
22AQI (US)
31st May 2026
22AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
24AQI (US)
5th June 2026
23AQI (US)
6th June 2026
25AQI (US)
7th June 2026
35AQI (US)
8th June 2026
11AQI (US)
9th June 2026
14AQI (US)
10th June 2026
20AQI (US)
11th June 2026
22AQI (US)
12th June 2026
18AQI (US)
13th June 2026
23AQI (US)
14th June 2026
15AQI (US)
15th June 2026
20AQI (US)
16th June 2026
23AQI (US)
17th June 2026
14AQI (US)
18th June 2026
24AQI (US)
19th June 2026
24AQI (US)
20th June 2026
19AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
20AQI (US)
25th June 2026
21AQI (US)
26th June 2026
24AQI (US)
27th June 2026
38AQI (US)
28th June 2026
26AQI (US)
29th June 2026
22AQI (US)
30th June 2026
20AQI (US)
1st July 2026
21AQI (US)
2nd July 2026
21AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
18AQI (US)
5th July 2026
14AQI (US)
6th July 2026
14AQI (US)
7th July 2026
14AQI (US)
8th July 2026
15AQI (US)
9th July 2026
20AQI (US)
10th July 2026
15AQI (US)
11th July 2026
14AQI (US)
12th July 2026
22AQI (US)
13th July 2026
17AQI (US)
14th July 2026
18AQI (US)
15th July 2026
22AQI (US)
16th July 2026
14AQI (US)
17th July 2026
14AQI (US)
18th July 2026
20AQI (US)
19th July 2026
20AQI (US)
20th July 2026
24AQI (US)
21st July 2026
26AQI (US)
22nd July 2026
18AQI (US)
23rd July 2026
17AQI (US)
24th July 2026
14AQI (US)
25th July 2026
16AQI (US)
26th July 2026
20AQI (US)
27th July 2026
20AQI (US)
28th July 2026
16AQI (US)
29th July 2026
12AQI (US)
30th July 2026
13AQI (US)
31st July 2026
18AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
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

26AQI (US)

34AQI (US)

38AQI (US)

28AQI (US)

32AQI (US)

22AQI (US)

18AQI (US)

No. of days

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

202628AQI (US)

31
28
31
28
27
3
30
31
206
3

Highest AQI (US) recorded in

March

38AQI (US)

Lowest AQI (US) recorded in

July

18AQI (US)

202527AQI (US)

29
2
25
3
28
3
30
31
30
31
31
30
26
5
30
31
352
13

Highest AQI (US) recorded in

October

34AQI (US)

Lowest AQI (US) recorded in

April

19AQI (US)

202418AQI (US)

29
29
31
30
29
30
31
30
30
30
1
29
1
31
359
2

Highest AQI (US) recorded in

December

27AQI (US)

Lowest AQI (US) recorded in

May

15AQI (US)

202316AQI (US)

31
27
28
29
31
30
31
31
30
31
27
31
357

Highest AQI (US) recorded in

October

18AQI (US)

Lowest AQI (US) recorded in

April

13AQI (US)

202214AQI (US)

31
17
31
23
1
31
30
24
1
28
31
30
22
299
1

Highest AQI (US) recorded in

February

18AQI (US)

Lowest AQI (US) recorded in

November

13AQI (US)

202127AQI (US)

28
2
26
2
31
19
6
1
1
27
2
22
8
31
30
1
29
1
4
24
31
302
22
1
1

Highest AQI (US) recorded in

June

42AQI (US)

Lowest AQI (US) recorded in

December

14AQI (US)

202030AQI (US)

12
20
1
8
7
1
24
5
31
30
1
26
27
4
30
28
3
236
21
1

Highest AQI (US) recorded in

May

52AQI (US)

Lowest AQI (US) recorded in

September

19AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
30AQI (US)
Least Polluted Year Recorded
2022(Avg.)
14AQI (US)

Perth's annual 2026 AQI (US) (28) shows an average percentage change of 38.5% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (27), 2022 (14), 2023 (16), 2024 (18), 2025 (27).