Cardiff Centre, Caerdydd, Cardiff, United Kingdom 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
Cardiff Centre, Caerdydd, Cardiff, United Kingdom
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2024
58AQILowest AQI recorded on
8th Aug 2023
15AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 36 of Good air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Cardiff Centre, Caerdydd, Cardiff, United Kingdom
AQI
Day
Night
.
5 AM15th Aug 2026
9 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
3PM15th Aug
73AQI
Avg. Lowest Time
10AM15th Aug
12AQI
Night time
Avg. Highest Time
12AM16th Aug
33AQI
Avg. Lowest Time
4AM16th Aug
19AQI
In the last 24 hours,
Cardiff Centre's AQI reached its highest point of 73 at 3 PM during the Day, while the lowest point, 12, was recorded at 10 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cardiff Centre, Caerdydd, Cardiff, United Kingdom
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026565 AMAQI
18th Jul 2026496 AMAQI
18th Jul 2026527 AMAQI
18th Jul 2026518 AMAQI
18th Jul 2026579 AMAQI
18th Jul 20265310 AMAQI
18th Jul 20265511 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026521 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026553 PMAQI
18th Jul 2026564 PMAQI
18th Jul 2026555 PMAQI
18th Jul 2026576 PMAQI
18th Jul 2026557 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026559 PMAQI
18th Jul 20265510 PMAQI
18th Jul 20265711 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026541 AMAQI
19th Jul 2026542 AMAQI
19th Jul 2026533 AMAQI
19th Jul 2026534 AMAQI
19°C13/24°C
19th Jul 2026525 AMAQI
19th Jul 2026446 AMAQI
19th Jul 2026467 AMAQI
19th Jul 2026448 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262312 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026381 AMAQI
20th Jul 2026342 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026294 AMAQI
18°C12/23°C
20th Jul 2026255 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026179 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262412 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026222 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20262312 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026313 AMAQI
18°C12/23°C
21st Jul 2026275 AMAQI
21st Jul 2026326 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263310 AMAQI
21st Jul 20263211 AMAQI
21st Jul 20263812 PMAQI
21st Jul 2026291 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026366 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026271 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026364 AMAQI
19°C12/25°C
22nd Jul 2026275 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026428 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264410 AMAQI
22nd Jul 20264411 AMAQI
22nd Jul 20266012 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026922 PMAQI
22nd Jul 2026923 PMAQI
22nd Jul 2026944 PMAQI
22nd Jul 2026905 PMAQI
22nd Jul 2026946 PMAQI
22nd Jul 2026847 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026719 PMAQI
22nd Jul 20266210 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026551 AMAQI
23rd Jul 2026642 AMAQI
23rd Jul 2026603 AMAQI
23rd Jul 2026644 AMAQI
18°C13/23°C
23rd Jul 2026705 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026697 AMAQI
23rd Jul 2026788 AMAQI
23rd Jul 2026999 AMAQI
23rd Jul 20269410 AMAQI
23rd Jul 20269911 AMAQI
23rd Jul 20269812 PMAQI
23rd Jul 2026921 PMAQI
23rd Jul 2026962 PMAQI
23rd Jul 2026883 PMAQI
23rd Jul 2026964 PMAQI
23rd Jul 20261005 PMAQI
23rd Jul 2026996 PMAQI
23rd Jul 2026967 PMAQI
23rd Jul 2026968 PMAQI
23rd Jul 2026929 PMAQI
23rd Jul 20269210 PMAQI
23rd Jul 20269611 PMAQI
24th Jul 20269912 AMAQI
24th Jul 2026961 AMAQI
24th Jul 2026992 AMAQI
24th Jul 2026963 AMAQI
24th Jul 2026934 AMAQI
20°C14/25°C
24th Jul 2026945 AMAQI
24th Jul 2026886 AMAQI
24th Jul 2026977 AMAQI
24th Jul 2026888 AMAQI
24th Jul 2026969 AMAQI
24th Jul 20269410 AMAQI
24th Jul 20269911 AMAQI
24th Jul 20269412 PMAQI
24th Jul 2026821 PMAQI
24th Jul 2026712 PMAQI
24th Jul 2026683 PMAQI
24th Jul 2026694 PMAQI
24th Jul 2026715 PMAQI
24th Jul 2026696 PMAQI
24th Jul 2026707 PMAQI
24th Jul 2026668 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20266410 PMAQI
24th Jul 20266211 PMAQI
25th Jul 20266012 AMAQI
25th Jul 2026621 AMAQI
25th Jul 2026622 AMAQI
25th Jul 2026593 AMAQI
25th Jul 2026584 AMAQI
19°C13/24°C
25th Jul 2026585 AMAQI
25th Jul 2026626 AMAQI
25th Jul 2026657 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026659 AMAQI
25th Jul 20266210 AMAQI
25th Jul 20266611 AMAQI
25th Jul 20266212 PMAQI
25th Jul 2026641 PMAQI
25th Jul 2026592 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026624 PMAQI
25th Jul 2026605 PMAQI
25th Jul 2026646 PMAQI
25th Jul 2026647 PMAQI
25th Jul 2026608 PMAQI
25th Jul 2026609 PMAQI
25th Jul 20266210 PMAQI
25th Jul 20266211 PMAQI
26th Jul 20265812 AMAQI
26th Jul 2026631 AMAQI
26th Jul 2026582 AMAQI
26th Jul 2026603 AMAQI
26th Jul 2026624 AMAQI
18°C13/23°C
26th Jul 2026785 AMAQI
26th Jul 2026926 AMAQI
26th Jul 2026967 AMAQI
26th Jul 2026748 AMAQI
26th Jul 2026589 AMAQI
26th Jul 20266010 AMAQI
26th Jul 20266211 AMAQI
26th Jul 20265712 PMAQI
26th Jul 2026951 PMAQI
26th Jul 2026902 PMAQI
26th Jul 2026883 PMAQI
26th Jul 2026864 PMAQI
26th Jul 2026945 PMAQI
26th Jul 2026946 PMAQI
26th Jul 2026877 PMAQI
26th Jul 2026908 PMAQI
26th Jul 2026899 PMAQI
26th Jul 20268710 PMAQI
26th Jul 20269211 PMAQI
27th Jul 20268612 AMAQI
27th Jul 2026941 AMAQI
27th Jul 2026962 AMAQI
27th Jul 2026963 AMAQI
27th Jul 2026904 AMAQI
19°C15/23°C
27th Jul 2026955 AMAQI
27th Jul 2026966 AMAQI
27th Jul 2026977 AMAQI
27th Jul 2026928 AMAQI
27th Jul 2026889 AMAQI
27th Jul 20269410 AMAQI
27th Jul 20269011 AMAQI
27th Jul 20268812 PMAQI
27th Jul 2026921 PMAQI
27th Jul 2026922 PMAQI
27th Jul 2026943 PMAQI
27th Jul 2026904 PMAQI
27th Jul 2026845 PMAQI
27th Jul 2026706 PMAQI
27th Jul 2026567 PMAQI
27th Jul 2026528 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20263210 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026181 AMAQI
28th Jul 2026182 AMAQI
28th Jul 2026323 AMAQI
28th Jul 2026364 AMAQI
17°C12/22°C
28th Jul 2026235 AMAQI
28th Jul 2026196 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026188 AMAQI
28th Jul 2026169 AMAQI
28th Jul 20261910 AMAQI
28th Jul 20261811 AMAQI
28th Jul 20261412 PMAQI
28th Jul 2026191 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026165 PMAQI
28th Jul 2026196 PMAQI
28th Jul 2026167 PMAQI
28th Jul 2026148 PMAQI
28th Jul 2026179 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026342 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026214 AMAQI
20°C16/25°C
29th Jul 2026175 AMAQI
29th Jul 2026176 AMAQI
29th Jul 2026197 AMAQI
29th Jul 2026148 AMAQI
29th Jul 2026129 AMAQI
29th Jul 20262010 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026342 PMAQI
29th Jul 2026323 PMAQI
29th Jul 2026244 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026333 AMAQI
30th Jul 2026274 AMAQI
19°C15/24°C
30th Jul 2026215 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20263210 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026333 AMAQI
31st Jul 2026254 AMAQI
18°C13/23°C
31st Jul 2026255 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026307 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026254 AMAQI
16°C11/21°C
1st Aug 2026275 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026218 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026211 PMAQI
1st Aug 2026272 PMAQI
1st Aug 2026333 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026236 PMAQI
1st Aug 2026217 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262310 PMAQI
1st Aug 20263011 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026322 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026234 AMAQI
16°C11/21°C
2nd Aug 2026255 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262111 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026212 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026234 AMAQI
18°C11/25°C
3rd Aug 2026235 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262310 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026313 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026305 PMAQI
3rd Aug 2026306 PMAQI
3rd Aug 2026287 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20263312 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026383 AMAQI
4th Aug 2026334 AMAQI
20°C13/28°C
4th Aug 2026365 AMAQI
4th Aug 2026366 AMAQI
4th Aug 2026317 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026212 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026307 PMAQI
4th Aug 2026308 PMAQI
4th Aug 2026369 PMAQI
4th Aug 20263810 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026333 AMAQI
5th Aug 2026314 AMAQI
20°C16/23°C
5th Aug 2026295 AMAQI
5th Aug 2026346 AMAQI
5th Aug 2026407 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026234 AMAQI
17°C14/20°C
6th Aug 2026235 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026328 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20263111 PMAQI
7th Aug 20263112 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026322 AMAQI
7th Aug 2026423 AMAQI
7th Aug 2026304 AMAQI
15°C10/20°C
7th Aug 2026345 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20263410 AMAQI
7th Aug 20264211 AMAQI
7th Aug 20263412 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026452 PMAQI
7th Aug 2026383 PMAQI
7th Aug 2026344 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026298 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026272 AMAQI
8th Aug 2026273 AMAQI
8th Aug 2026214 AMAQI
16°C9/22°C
8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026318 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262310 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262311 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026311 AMAQI
9th Aug 2026312 AMAQI
9th Aug 2026363 AMAQI
9th Aug 2026344 AMAQI
17°C12/24°C
9th Aug 2026275 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026448 AMAQI
9th Aug 2026539 AMAQI
9th Aug 20265210 AMAQI
9th Aug 20263811 AMAQI
9th Aug 20263412 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026324 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026329 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026271 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026274 AMAQI
19°C14/24°C
10th Aug 2026275 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026347 AMAQI
10th Aug 2026518 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20263212 PMAQI
10th Aug 2026581 PMAQI
10th Aug 2026622 PMAQI
10th Aug 2026623 PMAQI
10th Aug 2026724 PMAQI
10th Aug 2026605 PMAQI
10th Aug 2026446 PMAQI
10th Aug 2026367 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026339 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20264012 AMAQI
11th Aug 2026501 AMAQI
11th Aug 2026622 AMAQI
11th Aug 2026603 AMAQI
11th Aug 2026684 AMAQI
18°C14/23°C
11th Aug 2026455 AMAQI
11th Aug 2026346 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026718 AMAQI
11th Aug 2026669 AMAQI
11th Aug 20264810 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262412 PMAQI
11th Aug 2026321 PMAQI
11th Aug 2026282 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026225 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026237 PMAQI
11th Aug 2026338 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262310 PMAQI
11th Aug 20262311 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026233 AMAQI
12th Aug 2026274 AMAQI
20°C13/27°C
12th Aug 2026255 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262711 AMAQI
12th Aug 20263112 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026402 PMAQI
12th Aug 2026423 PMAQI
12th Aug 2026404 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026316 PMAQI
12th Aug 2026367 PMAQI
12th Aug 2026348 PMAQI
12th Aug 2026299 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20263112 AMAQI
13th Aug 2026331 AMAQI
13th Aug 2026312 AMAQI
13th Aug 2026363 AMAQI
13th Aug 2026384 AMAQI
22°C15/31°C
13th Aug 2026425 AMAQI
13th Aug 2026426 AMAQI
13th Aug 2026427 AMAQI
13th Aug 2026518 AMAQI
13th Aug 2026479 AMAQI
13th Aug 20263810 AMAQI
13th Aug 20266311 AMAQI
13th Aug 20264912 PMAQI
13th Aug 2026301 PMAQI
13th Aug 2026322 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026484 PMAQI
13th Aug 2026365 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026387 PMAQI
13th Aug 2026468 PMAQI
13th Aug 2026389 PMAQI
13th Aug 20263310 PMAQI
13th Aug 20263611 PMAQI
14th Aug 20263612 AMAQI
14th Aug 2026341 AMAQI
14th Aug 2026382 AMAQI
14th Aug 2026523 AMAQI
14th Aug 2026554 AMAQI
23°C18/30°C
14th Aug 2026385 AMAQI
14th Aug 2026236 AMAQI
14th Aug 2026347 AMAQI
14th Aug 2026328 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20262110 AMAQI
14th Aug 20262311 AMAQI
14th Aug 20262712 PMAQI
14th Aug 2026341 PMAQI
14th Aug 2026402 PMAQI
14th Aug 2026383 PMAQI
14th Aug 2026214 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026427 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026369 PMAQI
14th Aug 20263810 PMAQI
14th Aug 20264011 PMAQI
15th Aug 20264212 AMAQI
15th Aug 2026681 AMAQI
15th Aug 2026542 AMAQI
15th Aug 2026363 AMAQI
15th Aug 202664 AMAQI
21°C16/25°C
15th Aug 2026175 AMAQI
15th Aug 2026196 AMAQI
15th Aug 2026197 AMAQI
15th Aug 2026178 AMAQI
15th Aug 2026199 AMAQI
15th Aug 20261210 AMAQI
15th Aug 20261811 AMAQI
15th Aug 20262912 PMAQI
15th Aug 2026341 PMAQI
15th Aug 2026472 PMAQI
15th Aug 2026733 PMAQI
15th Aug 2026704 PMAQI
15th Aug 2026625 PMAQI
15th Aug 2026586 PMAQI
15th Aug 2026427 PMAQI
15th Aug 2026298 PMAQI
15th Aug 2026299 PMAQI
15th Aug 20263010 PMAQI
15th Aug 20262811 PMAQI
16th Aug 20263312 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026232 AMAQI
16th Aug 2026213 AMAQI
16th Aug 2026194 AMAQI
20°C14/24°C
16th Aug 2026125 AMAQI
5 AM16th Aug 202686 AMAQI
16th Aug 202687 AMAQI
16th Aug 2026138 AMAQI
16th Aug 2026179 AMAQI
16th Aug 20261210 AMAQI
16th Aug 2026811 AMAQI
16th Aug 20261412 PMAQI
16th Aug 2026171 PMAQI
1 PM16th Aug 2026192 PMAQI
16th Aug 2026193 PMAQI
16th Aug 2026164 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026317 PMAQI
16th Aug 2026368 PMAQI
16th Aug 2026259 PMAQI
9 PM16th Aug 20262910 PMAQI
16th Aug 20262311 PMAQI
1 AM
4 AM
10°C-2/22°C
Day time
Avg. Highest Time
3 PM - 5 PM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM - 6 AM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 5 PM (Avg. 43), while the lowest AQI was between 5 AM to 6 AM (Avg. 37).
Night time
Avg. Highest Time
1 AM - 3 AM
40AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
10 PM - 11 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 40), while the lowest AQI was between 10 PM to 11 PM (Avg. 37).
2026 Days Vs Air Quality
Cardiff Centre, Caerdydd, Cardiff, United Kingdom
2026
93%
208
7%
16
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
208 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 228 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
Cardiff Centre, Caerdydd, Cardiff, United Kingdom
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
31AQI (US)
31AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
23AQI (US)
23AQI (US)
4th January 2026
29AQI (US)
29AQI (US)
5th January 2026
28AQI (US)
28AQI (US)
6th January 2026
34AQI (US)
34AQI (US)
7th January 2026
22AQI (US)
22AQI (US)
8th January 2026
30AQI (US)
30AQI (US)
9th January 2026
13AQI (US)
13AQI (US)
10th January 2026
32AQI (US)
32AQI (US)
11th January 2026
27AQI (US)
27AQI (US)
12th January 2026
27AQI (US)
27AQI (US)
13th January 2026
15AQI (US)
15AQI (US)
14th January 2026
22AQI (US)
22AQI (US)
15th January 2026
29AQI (US)
29AQI (US)
16th January 2026
32AQI (US)
32AQI (US)
17th January 2026
18AQI (US)
18AQI (US)
18th January 2026
48AQI (US)
48AQI (US)
19th January 2026
48AQI (US)
48AQI (US)
20th January 2026
22AQI (US)
22AQI (US)
21st January 2026
18AQI (US)
18AQI (US)
22nd January 2026
33AQI (US)
33AQI (US)
23rd January 2026
47AQI (US)
47AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
16AQI (US)
16AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
42AQI (US)
42AQI (US)
30th January 2026
46AQI (US)
46AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
43AQI (US)
43AQI (US)
3rd February 2026
47AQI (US)
47AQI (US)
4th February 2026
26AQI (US)
26AQI (US)
5th February 2026
16AQI (US)
16AQI (US)
6th February 2026
31AQI (US)
31AQI (US)
7th February 2026
36AQI (US)
36AQI (US)
8th February 2026
37AQI (US)
37AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
25AQI (US)
25AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
23AQI (US)
23AQI (US)
13th February 2026
20AQI (US)
20AQI (US)
14th February 2026
43AQI (US)
43AQI (US)
15th February 2026
33AQI (US)
33AQI (US)
16th February 2026
36AQI (US)
36AQI (US)
17th February 2026
41AQI (US)
41AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
36AQI (US)
36AQI (US)
20th February 2026
43AQI (US)
43AQI (US)
21st February 2026
27AQI (US)
27AQI (US)
22nd February 2026
26AQI (US)
26AQI (US)
23rd February 2026
30AQI (US)
30AQI (US)
24th February 2026
34AQI (US)
34AQI (US)
25th February 2026
37AQI (US)
37AQI (US)
26th February 2026
24AQI (US)
24AQI (US)
27th February 2026
16AQI (US)
16AQI (US)
28th February 2026
28AQI (US)
28AQI (US)
1st March 2026
32AQI (US)
32AQI (US)
2nd March 2026
38AQI (US)
38AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
50AQI (US)
50AQI (US)
5th March 2026
79AQI (US)
79AQI (US)
6th March 2026
27AQI (US)
27AQI (US)
7th March 2026
49AQI (US)
49AQI (US)
8th March 2026
66AQI (US)
66AQI (US)
9th March 2026
73AQI (US)
73AQI (US)
10th March 2026
13AQI (US)
13AQI (US)
11th March 2026
29AQI (US)
29AQI (US)
12th March 2026
37AQI (US)
37AQI (US)
13th March 2026
34AQI (US)
34AQI (US)
14th March 2026
33AQI (US)
33AQI (US)
15th March 2026
29AQI (US)
29AQI (US)
16th March 2026
30AQI (US)
30AQI (US)
17th March 2026
33AQI (US)
33AQI (US)
18th March 2026
38AQI (US)
38AQI (US)
19th March 2026
52AQI (US)
52AQI (US)
20th March 2026
69AQI (US)
69AQI (US)
21st March 2026
75AQI (US)
75AQI (US)
22nd March 2026
75AQI (US)
75AQI (US)
23rd March 2026
52AQI (US)
52AQI (US)
24th March 2026
18AQI (US)
18AQI (US)
25th March 2026
18AQI (US)
18AQI (US)
26th March 2026
23AQI (US)
23AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
29AQI (US)
29AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
25AQI (US)
25AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
26AQI (US)
26AQI (US)
5th April 2026
27AQI (US)
27AQI (US)
6th April 2026
27AQI (US)
27AQI (US)
7th April 2026
25AQI (US)
25AQI (US)
8th April 2026
29AQI (US)
29AQI (US)
9th April 2026
27AQI (US)
27AQI (US)
10th April 2026
27AQI (US)
27AQI (US)
11th April 2026
33AQI (US)
33AQI (US)
12th April 2026
31AQI (US)
31AQI (US)
13th April 2026
29AQI (US)
29AQI (US)
14th April 2026
27AQI (US)
27AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
13AQI (US)
13AQI (US)
20th April 2026
24AQI (US)
24AQI (US)
21st April 2026
16AQI (US)
16AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
27AQI (US)
27AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
40AQI (US)
40AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
15AQI (US)
15AQI (US)
30th April 2026
24AQI (US)
24AQI (US)
1st May 2026
29AQI (US)
29AQI (US)
2nd May 2026
34AQI (US)
34AQI (US)
3rd May 2026
28AQI (US)
28AQI (US)
4th May 2026
45AQI (US)
45AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
18AQI (US)
18AQI (US)
7th May 2026
23AQI (US)
23AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
11AQI (US)
11AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
24AQI (US)
24AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
27AQI (US)
27AQI (US)
16th May 2026
34AQI (US)
34AQI (US)
17th May 2026
38AQI (US)
38AQI (US)
18th May 2026
33AQI (US)
33AQI (US)
19th May 2026
33AQI (US)
33AQI (US)
20th May 2026
31AQI (US)
31AQI (US)
21st May 2026
36AQI (US)
36AQI (US)
22nd May 2026
33AQI (US)
33AQI (US)
23rd May 2026
40AQI (US)
40AQI (US)
24th May 2026
51AQI (US)
51AQI (US)
25th May 2026
37AQI (US)
37AQI (US)
26th May 2026
46AQI (US)
46AQI (US)
27th May 2026
49AQI (US)
49AQI (US)
28th May 2026
31AQI (US)
31AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
26AQI (US)
26AQI (US)
2nd June 2026
21AQI (US)
21AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
23AQI (US)
23AQI (US)
6th June 2026
17AQI (US)
17AQI (US)
7th June 2026
26AQI (US)
26AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
23AQI (US)
23AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
20AQI (US)
20AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
15AQI (US)
15AQI (US)
18th June 2026
19AQI (US)
19AQI (US)
19th June 2026
22AQI (US)
22AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
18AQI (US)
18AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
29AQI (US)
29AQI (US)
25th June 2026
42AQI (US)
42AQI (US)
26th June 2026
40AQI (US)
40AQI (US)
27th June 2026
17AQI (US)
17AQI (US)
28th June 2026
16AQI (US)
16AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
20AQI (US)
20AQI (US)
1st July 2026
22AQI (US)
22AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
20AQI (US)
20AQI (US)
5th July 2026
17AQI (US)
17AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
39AQI (US)
39AQI (US)
9th July 2026
32AQI (US)
32AQI (US)
10th July 2026
36AQI (US)
36AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
30AQI (US)
30AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
38AQI (US)
38AQI (US)
18th July 2026
55AQI (US)
55AQI (US)
19th July 2026
36AQI (US)
36AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
32AQI (US)
32AQI (US)
22nd July 2026
57AQI (US)
57AQI (US)
23rd July 2026
83AQI (US)
83AQI (US)
24th July 2026
83AQI (US)
83AQI (US)
25th July 2026
62AQI (US)
62AQI (US)
26th July 2026
78AQI (US)
78AQI (US)
27th July 2026
81AQI (US)
81AQI (US)
28th July 2026
21AQI (US)
21AQI (US)
29th July 2026
24AQI (US)
24AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
31st July 2026
27AQI (US)
27AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
32AQI (US)
32AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
31AQI (US)
31AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
30AQI (US)
30AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
31AQI (US)
31AQI (US)
10th August 2026
36AQI (US)
36AQI (US)
11th August 2026
38AQI (US)
38AQI (US)
12th August 2026
30AQI (US)
30AQI (US)
13th August 2026
39AQI (US)
39AQI (US)
14th August 2026
33AQI (US)
33AQI (US)
15th August 2026
36AQI (US)
36AQI (US)
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
31AQI (US)
32AQI (US)
41AQI (US)
27AQI (US)
31AQI (US)
23AQI (US)
37AQI (US)
31AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202632AQI (US)
31
28
23
8
28
29
1
30
24
7
15
208
16
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202535AQI (US)
16
15
16
12
30
1
30
31
28
2
29
2
29
2
30
23
8
28
2
27
4
317
48
Highest AQI (US) recorded in
February51AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202436AQI (US)
25
5
24
5
27
4
30
26
5
28
2
31
30
1
25
5
31
20
9
1
31
328
36
1
Highest AQI (US) recorded in
November46AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202343AQI (US)
23
7
21
7
25
6
16
14
19
12
10
20
27
4
26
5
17
12
23
8
24
5
28
3
259
103
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202246AQI (US)
22
8
14
7
14
16
1
20
10
28
3
24
6
20
2
1
27
1
24
7
18
12
15
16
227
88
1
Highest AQI (US) recorded in
March57AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202136AQI (US)
25
5
23
5
23
7
1
21
9
28
3
27
3
26
5
31
26
4
29
2
28
2
27
4
314
49
1
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202032AQI (US)
8
5
13
8
18
28
2
31
25
6
29
1
31
22
8
29
2
234
32
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
46AQI (US)Least Polluted Year Recorded
2020(Avg.)
32AQI (US)Cardiff Centre's annual 2026 AQI (US) (32) shows an average percentage change of -14.4% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (36), 2022 (46), 2023 (43), 2024 (36), 2025 (35).
