Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

St Peter Port, Saint Saviour, Jersey 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

St Peter Port, Saint Saviour, Jersey

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
60AQI
Lowest AQI recorded on
19th Aug 2021
14AQI

Same Day Analysis (8th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 8th Aug - 9th Aug 2025

St Peter Port, Saint Saviour, Jersey

AQI
Day
Night
.

5 AM8th Aug 2025

8 PM

4 AM9th Aug 2025

Day time
Avg. Highest Time
6AM8th Aug

32AQI

Avg. Lowest Time
6PM8th Aug

17AQI

Night time
Avg. Highest Time
10PM8th Aug

20AQI

Avg. Lowest Time
2AM9th Aug

14AQI

In the last 24 hours,

St Peter Port's AQI reached its highest point of 32 at 6 AM during the Day, while the lowest point, 14, was recorded at 2 AM during the Night between 8th Aug and 9th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

St Peter Port, Saint Saviour, Jersey

JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025185 AMAQI
10th Jul 2025206 AMAQI
10th Jul 2025247 AMAQI
10th Jul 2025218 AMAQI
10th Jul 2025219 AMAQI
10th Jul 20251910 AMAQI
10th Jul 20251611 AMAQI
10th Jul 20251612 PMAQI
10th Jul 2025171 PMAQI
10th Jul 2025162 PMAQI
10th Jul 2025163 PMAQI
10th Jul 2025154 PMAQI
10th Jul 2025145 PMAQI
10th Jul 2025146 PMAQI
10th Jul 2025147 PMAQI
10th Jul 2025158 PMAQI
10th Jul 2025169 PMAQI
10th Jul 20251610 PMAQI
10th Jul 20251611 PMAQI
11th Jul 20251412 AMAQI
11th Jul 2025171 AMAQI
11th Jul 2025162 AMAQI
11th Jul 2025173 AMAQI
11th Jul 2025144 AMAQI

19°C17/20°C

11th Jul 2025165 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025227 AMAQI
11th Jul 2025248 AMAQI
11th Jul 2025229 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251612 PMAQI
11th Jul 2025151 PMAQI
11th Jul 2025162 PMAQI
11th Jul 2025163 PMAQI
11th Jul 2025154 PMAQI
11th Jul 2025145 PMAQI
11th Jul 2025136 PMAQI
11th Jul 2025147 PMAQI
11th Jul 2025158 PMAQI
11th Jul 2025169 PMAQI
11th Jul 20251610 PMAQI
11th Jul 20251611 PMAQI
12th Jul 20251812 AMAQI
12th Jul 2025181 AMAQI
12th Jul 2025162 AMAQI
12th Jul 2025183 AMAQI
12th Jul 2025164 AMAQI

20°C18/22°C

12th Jul 2025165 AMAQI
12th Jul 2025166 AMAQI
12th Jul 2025177 AMAQI
12th Jul 2025188 AMAQI
12th Jul 2025179 AMAQI
12th Jul 20251810 AMAQI
12th Jul 20251611 AMAQI
12th Jul 20251512 PMAQI
12th Jul 2025231 PMAQI
12th Jul 2025162 PMAQI
12th Jul 2025163 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025175 PMAQI
12th Jul 2025156 PMAQI
12th Jul 2025147 PMAQI
12th Jul 2025148 PMAQI
12th Jul 2025159 PMAQI
12th Jul 20251610 PMAQI
12th Jul 20251611 PMAQI
13th Jul 20251712 AMAQI
13th Jul 2025191 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025273 AMAQI
13th Jul 2025294 AMAQI

20°C18/22°C

13th Jul 2025325 AMAQI
13th Jul 2025356 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025329 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025241 PMAQI
13th Jul 2025222 PMAQI
13th Jul 2025203 PMAQI
13th Jul 2025204 PMAQI
13th Jul 2025215 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025287 PMAQI
13th Jul 2025288 PMAQI
13th Jul 2025289 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20253311 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025273 AMAQI
14th Jul 2025254 AMAQI

19°C18/21°C

14th Jul 2025265 AMAQI
14th Jul 2025266 AMAQI
14th Jul 2025257 AMAQI
14th Jul 2025278 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025252 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025215 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025208 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20251910 PMAQI
14th Jul 20252111 PMAQI
15th Jul 20251912 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025252 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025224 AMAQI

18°C17/18°C

15th Jul 2025225 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025227 AMAQI
15th Jul 2025238 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025255 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025257 PMAQI
15th Jul 2025258 PMAQI
15th Jul 2025219 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252311 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025271 AMAQI
16th Jul 2025442 AMAQI
16th Jul 2025383 AMAQI
16th Jul 2025424 AMAQI

17°C16/18°C

16th Jul 2025475 AMAQI
16th Jul 2025406 AMAQI
16th Jul 2025347 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20251911 AMAQI
16th Jul 20251912 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025359 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253211 PMAQI
17th Jul 20252812 AMAQI
17th Jul 2025231 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025203 AMAQI
17th Jul 2025244 AMAQI

18°C17/18°C

17th Jul 2025275 AMAQI
17th Jul 2025286 AMAQI
17th Jul 2025277 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251611 AMAQI
17th Jul 20251512 PMAQI
17th Jul 2025151 PMAQI
17th Jul 2025172 PMAQI
17th Jul 2025153 PMAQI
17th Jul 2025124 PMAQI
17th Jul 2025115 PMAQI
17th Jul 2025116 PMAQI
17th Jul 2025117 PMAQI
17th Jul 2025148 PMAQI
17th Jul 2025179 PMAQI
17th Jul 20251610 PMAQI
17th Jul 20251611 PMAQI
18th Jul 20251812 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025192 AMAQI
18th Jul 2025323 AMAQI
18th Jul 2025194 AMAQI

18°C17/19°C

18th Jul 2025195 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251611 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025172 PMAQI
18th Jul 2025163 PMAQI
18th Jul 2025164 PMAQI
18th Jul 2025165 PMAQI
18th Jul 2025166 PMAQI
18th Jul 2025167 PMAQI
18th Jul 2025168 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20251811 PMAQI
19th Jul 20251712 AMAQI
19th Jul 2025171 AMAQI
19th Jul 2025142 AMAQI
19th Jul 2025173 AMAQI
19th Jul 2025184 AMAQI

18°C17/18°C

19th Jul 2025185 AMAQI
19th Jul 2025176 AMAQI
19th Jul 2025167 AMAQI
19th Jul 2025168 AMAQI
19th Jul 2025169 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025165 PMAQI
19th Jul 2025166 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025188 PMAQI
19th Jul 2025189 PMAQI
19th Jul 20251810 PMAQI
19th Jul 20251811 PMAQI
20th Jul 20251712 AMAQI
20th Jul 2025171 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025254 AMAQI

17°C17/20°C

20th Jul 2025315 AMAQI
20th Jul 2025266 AMAQI
20th Jul 2025347 AMAQI
20th Jul 2025348 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251411 AMAQI
20th Jul 20251412 PMAQI
20th Jul 2025151 PMAQI
20th Jul 2025142 PMAQI
20th Jul 2025143 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025176 PMAQI
20th Jul 2025177 PMAQI
20th Jul 2025168 PMAQI
20th Jul 2025169 PMAQI
20th Jul 20251710 PMAQI
20th Jul 20251811 PMAQI
21st Jul 20251712 AMAQI
21st Jul 2025171 AMAQI
21st Jul 2025162 AMAQI
21st Jul 2025163 AMAQI
21st Jul 2025164 AMAQI

18°C17/18°C

21st Jul 2025165 AMAQI
21st Jul 2025156 AMAQI
21st Jul 2025167 AMAQI
21st Jul 2025158 AMAQI
21st Jul 2025169 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025161 PMAQI
21st Jul 2025152 PMAQI
21st Jul 2025143 PMAQI
21st Jul 2025164 PMAQI
21st Jul 2025145 PMAQI
21st Jul 2025136 PMAQI
21st Jul 2025177 PMAQI
21st Jul 2025208 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251810 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251612 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025264 AMAQI

17°C16/17°C

22nd Jul 2025225 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251412 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025122 PMAQI
22nd Jul 2025123 PMAQI
22nd Jul 2025124 PMAQI
22nd Jul 2025115 PMAQI
22nd Jul 2025126 PMAQI
22nd Jul 2025127 PMAQI
22nd Jul 2025118 PMAQI
22nd Jul 2025149 PMAQI
22nd Jul 20251210 PMAQI
22nd Jul 20251411 PMAQI
23rd Jul 20251412 AMAQI
23rd Jul 2025141 AMAQI
23rd Jul 2025102 AMAQI
23rd Jul 2025113 AMAQI
23rd Jul 2025104 AMAQI

17°C17/17°C

23rd Jul 2025105 AMAQI
23rd Jul 2025106 AMAQI
23rd Jul 2025117 AMAQI
23rd Jul 2025128 AMAQI
23rd Jul 2025129 AMAQI
23rd Jul 20251110 AMAQI
23rd Jul 20251011 AMAQI
23rd Jul 20251112 PMAQI
23rd Jul 2025111 PMAQI
23rd Jul 2025112 PMAQI
23rd Jul 2025133 PMAQI
23rd Jul 2025144 PMAQI
23rd Jul 2025155 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025159 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025612 AMAQI
24th Jul 2025623 AMAQI
24th Jul 2025624 AMAQI

17°C17/17°C

24th Jul 2025635 AMAQI
24th Jul 2025616 AMAQI
24th Jul 2025607 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025533 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025563 AMAQI
25th Jul 2025544 AMAQI

18°C17/18°C

25th Jul 2025565 AMAQI
25th Jul 2025606 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025598 AMAQI
25th Jul 2025609 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256111 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025592 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025556 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025558 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255711 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025344 AMAQI

18°C17/18°C

26th Jul 2025385 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025207 AMAQI
26th Jul 2025188 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251210 AMAQI
26th Jul 20251211 AMAQI
26th Jul 20251412 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025205 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025192 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025184 AMAQI

18°C17/18°C

27th Jul 2025175 AMAQI
27th Jul 2025206 AMAQI
27th Jul 2025207 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025264 AMAQI

17°C17/17°C

28th Jul 2025285 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20251912 AMAQI
29th Jul 2025191 AMAQI
29th Jul 2025172 AMAQI
29th Jul 2025153 AMAQI
29th Jul 2025134 AMAQI

17°C17/18°C

29th Jul 2025165 AMAQI
29th Jul 2025156 AMAQI
29th Jul 2025167 AMAQI
29th Jul 2025148 AMAQI
29th Jul 2025159 AMAQI
29th Jul 20251510 AMAQI
29th Jul 20251611 AMAQI
29th Jul 20251612 PMAQI
29th Jul 2025161 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025174 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025168 PMAQI
29th Jul 2025179 PMAQI
29th Jul 20251810 PMAQI
29th Jul 20251811 PMAQI
30th Jul 20251712 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025172 AMAQI
30th Jul 2025153 AMAQI
30th Jul 2025174 AMAQI

18°C17/18°C

30th Jul 2025175 AMAQI
30th Jul 2025166 AMAQI
30th Jul 2025177 AMAQI
30th Jul 2025168 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20251610 AMAQI
30th Jul 20251511 AMAQI
30th Jul 20251412 PMAQI
30th Jul 2025151 PMAQI
30th Jul 2025142 PMAQI
30th Jul 2025163 PMAQI
30th Jul 2025154 PMAQI
30th Jul 2025145 PMAQI
30th Jul 2025166 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025208 PMAQI
30th Jul 2025199 PMAQI
30th Jul 20251910 PMAQI
30th Jul 20251911 PMAQI
31st Jul 20251912 AMAQI
31st Jul 2025191 AMAQI
31st Jul 2025192 AMAQI
31st Jul 2025163 AMAQI
31st Jul 2025144 AMAQI

18°C17/19°C

31st Jul 2025145 AMAQI
31st Jul 2025146 AMAQI
31st Jul 2025157 AMAQI
31st Jul 2025178 AMAQI
31st Jul 2025189 AMAQI
31st Jul 20252010 AMAQI
31st Jul 20251911 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025259 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252511 PMAQI
1st Aug 20252312 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025232 AMAQI
1st Aug 2025183 AMAQI
1st Aug 2025214 AMAQI

18°C18/18°C

1st Aug 2025205 AMAQI
1st Aug 2025226 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025269 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252611 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025222 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025214 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025238 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252310 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025244 AMAQI

17°C16/17°C

2nd Aug 2025225 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025218 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025228 PMAQI
2nd Aug 2025239 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025232 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025234 AMAQI

17°C16/17°C

3rd Aug 2025225 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025267 AMAQI
3rd Aug 2025288 AMAQI
3rd Aug 2025279 AMAQI
3rd Aug 20252610 AMAQI
3rd Aug 20252411 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025242 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025234 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025236 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025308 PMAQI
3rd Aug 2025329 PMAQI
3rd Aug 20252710 PMAQI
3rd Aug 20252511 PMAQI
4th Aug 20252412 AMAQI
4th Aug 2025281 AMAQI
4th Aug 2025232 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025244 AMAQI

18°C17/19°C

4th Aug 2025205 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025207 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025259 PMAQI
4th Aug 20252510 PMAQI
4th Aug 20252611 PMAQI
5th Aug 20252512 AMAQI
5th Aug 2025211 AMAQI
5th Aug 2025212 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025224 AMAQI

19°C18/19°C

5th Aug 2025245 AMAQI
5th Aug 2025226 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025248 AMAQI
5th Aug 2025229 AMAQI
5th Aug 20253010 AMAQI
5th Aug 20252211 AMAQI
5th Aug 20252412 PMAQI
5th Aug 2025231 PMAQI
5th Aug 2025242 PMAQI
5th Aug 2025233 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025225 PMAQI
5th Aug 2025216 PMAQI
5th Aug 2025217 PMAQI
5th Aug 2025208 PMAQI
5th Aug 2025239 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252311 PMAQI
6th Aug 20252312 AMAQI
6th Aug 2025221 AMAQI
6th Aug 2025222 AMAQI
6th Aug 2025263 AMAQI
6th Aug 2025204 AMAQI

17°C16/18°C

6th Aug 2025225 AMAQI
6th Aug 2025246 AMAQI
6th Aug 2025247 AMAQI
6th Aug 2025268 AMAQI
6th Aug 2025259 AMAQI
6th Aug 20252410 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20252812 PMAQI
6th Aug 2025261 PMAQI
6th Aug 2025252 PMAQI
6th Aug 2025263 PMAQI
6th Aug 2025274 PMAQI
6th Aug 2025275 PMAQI
6th Aug 2025266 PMAQI
6th Aug 2025287 PMAQI
6th Aug 2025268 PMAQI
6th Aug 2025259 PMAQI
6th Aug 20252610 PMAQI
6th Aug 20252611 PMAQI
7th Aug 20252712 AMAQI
7th Aug 2025241 AMAQI
7th Aug 2025272 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025244 AMAQI

17°C16/18°C

7th Aug 2025245 AMAQI
7th Aug 2025266 AMAQI
7th Aug 2025237 AMAQI
7th Aug 2025288 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20253010 AMAQI
7th Aug 20253011 AMAQI
7th Aug 20252712 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025272 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025244 PMAQI
7th Aug 2025235 PMAQI
7th Aug 2025246 PMAQI
7th Aug 2025267 PMAQI
7th Aug 2025268 PMAQI
7th Aug 2025239 PMAQI
7th Aug 20252410 PMAQI
7th Aug 20252311 PMAQI
8th Aug 20252212 AMAQI
8th Aug 2025181 AMAQI
8th Aug 2025152 AMAQI
8th Aug 2025153 AMAQI
8th Aug 2025194 AMAQI

18°C18/19°C

8th Aug 2025265 AMAQI
8th Aug 2025326 AMAQI
8th Aug 2025317 AMAQI
8th Aug 2025328 AMAQI
8th Aug 2025309 AMAQI
8th Aug 20253110 AMAQI
8th Aug 20253011 AMAQI
8th Aug 20252612 PMAQI
8th Aug 2025201 PMAQI
8th Aug 2025192 PMAQI
8th Aug 2025183 PMAQI
8th Aug 2025184 PMAQI
8th Aug 2025175 PMAQI
8th Aug 2025176 PMAQI
8th Aug 2025187 PMAQI
8th Aug 2025188 PMAQI
8th Aug 2025189 PMAQI
8th Aug 20252010 PMAQI
8th Aug 20251811 PMAQI
9th Aug 20251812 AMAQI
9th Aug 2025161 AMAQI
9th Aug 2025142 AMAQI
9th Aug 2025153 AMAQI
9th Aug 2025164 AMAQI

18°C17/18°C

9th Aug 2025165 AMAQI
5 AM
9th Aug 2025176 AMAQI
9th Aug 2025187 AMAQI
9th Aug 2025188 AMAQI
9th Aug 2025189 AMAQI
9th Aug 20251610 AMAQI
9th Aug 20251411 AMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 10 AM

25AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
11 AM - 8 PM

22AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 25), while the lowest AQI was between 11 AM to 8 PM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 11 PM

24AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

24AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 24), while the lowest AQI was between 12 AM to 11 PM (Avg. 24).

2025 Days Vs Air Quality

St Peter Port, Saint Saviour, Jersey

2025

93%

204

7%

16

Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)

Good
204 Days
Moderate
16 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 93%

Health Risk Level:

Very Low

In 2025, 93% of 221 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

St Peter Port, Saint Saviour, Jersey

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
29AQI
2nd January 2025
27AQI
3rd January 2025
29AQI
4th January 2025
35AQI
5th January 2025
30AQI
6th January 2025
29AQI
7th January 2025
27AQI
8th January 2025
30AQI
9th January 2025
24AQI
10th January 2025
23AQI
11th January 2025
30AQI
12th January 2025
33AQI
13th January 2025
36AQI
14th January 2025
51AQI
15th January 2025
53AQI
16th January 2025
37AQI
17th January 2025
40AQI
18th January 2025
46AQI
19th January 2025
39AQI
20th January 2025
35AQI
21st January 2025
33AQI
22nd January 2025
35AQI
23rd January 2025
34AQI
24th January 2025
40AQI
25th January 2025
27AQI
26th January 2025
32AQI
27th January 2025
32AQI
28th January 2025
47AQI
29th January 2025
33AQI
30th January 2025
30AQI
31st January 2025
34AQI
1st February 2025
26AQI
2nd February 2025
29AQI
3rd February 2025
26AQI
4th February 2025
25AQI
5th February 2025
39AQI
6th February 2025
41AQI
7th February 2025
34AQI
8th February 2025
28AQI
9th February 2025
26AQI
10th February 2025
28AQI
11th February 2025
40AQI
12th February 2025
40AQI
13th February 2025
45AQI
14th February 2025
53AQI
15th February 2025
59AQI
16th February 2025
55AQI
17th February 2025
59AQI
18th February 2025
59AQI
19th February 2025
57AQI
20th February 2025
31AQI
21st February 2025
38AQI
22nd February 2025
39AQI
23rd February 2025
31AQI
24th February 2025
42AQI
25th February 2025
35AQI
26th February 2025
29AQI
27th February 2025
27AQI
28th February 2025
28AQI
1st March 2025
30AQI
2nd March 2025
40AQI
3rd March 2025
56AQI
4th March 2025
68AQI
5th March 2025
65AQI
6th March 2025
42AQI
7th March 2025
36AQI
8th March 2025
27AQI
9th March 2025
29AQI
10th March 2025
28AQI
11th March 2025
59AQI
12th March 2025
29AQI
13th March 2025
22AQI
14th March 2025
23AQI
15th March 2025
23AQI
16th March 2025
32AQI
17th March 2025
35AQI
18th March 2025
32AQI
19th March 2025
34AQI
20th March 2025
29AQI
21st March 2025
39AQI
22nd March 2025
21AQI
23rd March 2025
24AQI
24th March 2025
46AQI
25th March 2025
48AQI
26th March 2025
35AQI
27th March 2025
29AQI
28th March 2025
32AQI
29th March 2025
30AQI
30th March 2025
39AQI
31st March 2025
47AQI
1st April 2025
46AQI
2nd April 2025
33AQI
3rd April 2025
30AQI
4th April 2025
30AQI
5th April 2025
66AQI
6th April 2025
49AQI
7th April 2025
37AQI
8th April 2025
42AQI
9th April 2025
42AQI
10th April 2025
42AQI
11th April 2025
42AQI
12th April 2025
34AQI
13th April 2025
30AQI
14th April 2025
19AQI
15th April 2025
18AQI
16th April 2025
20AQI
17th April 2025
16AQI
18th April 2025
16AQI
19th April 2025
19AQI
20th April 2025
32AQI
21st April 2025
28AQI
22nd April 2025
26AQI
23rd April 2025
31AQI
24th April 2025
28AQI
25th April 2025
36AQI
26th April 2025
54AQI
27th April 2025
46AQI
28th April 2025
43AQI
29th April 2025
41AQI
30th April 2025
41AQI
1st May 2025
27AQI
2nd May 2025
22AQI
3rd May 2025
39AQI
4th May 2025
26AQI
5th May 2025
20AQI
6th May 2025
23AQI
7th May 2025
17AQI
8th May 2025
28AQI
9th May 2025
32AQI
10th May 2025
28AQI
11th May 2025
20AQI
12th May 2025
18AQI
13th May 2025
18AQI
14th May 2025
34AQI
15th May 2025
37AQI
16th May 2025
30AQI
17th May 2025
35AQI
18th May 2025
33AQI
19th May 2025
39AQI
20th May 2025
29AQI
21st May 2025
21AQI
22nd May 2025
27AQI
23rd May 2025
32AQI
24th May 2025
24AQI
25th May 2025
25AQI
26th May 2025
33AQI
27th May 2025
23AQI
28th May 2025
30AQI
29th May 2025
20AQI
30th May 2025
18AQI
31st May 2025
17AQI
1st June 2025
31AQI
2nd June 2025
30AQI
3rd June 2025
28AQI
4th June 2025
21AQI
5th June 2025
19AQI
6th June 2025
18AQI
7th June 2025
20AQI
8th June 2025
18AQI
9th June 2025
36AQI
10th June 2025
25AQI
11th June 2025
19AQI
12th June 2025
30AQI
13th June 2025
28AQI
14th June 2025
28AQI
15th June 2025
23AQI
16th June 2025
23AQI
17th June 2025
23AQI
18th June 2025
24AQI
19th June 2025
27AQI
20th June 2025
28AQI
21st June 2025
28AQI
22nd June 2025
29AQI
23rd June 2025
25AQI
24th June 2025
20AQI
25th June 2025
14AQI
26th June 2025
15AQI
27th June 2025
14AQI
28th June 2025
12AQI
29th June 2025
18AQI
30th June 2025
21AQI
1st July 2025
31AQI
2nd July 2025
18AQI
3rd July 2025
16AQI
4th July 2025
15AQI
5th July 2025
18AQI
6th July 2025
15AQI
7th July 2025
17AQI
8th July 2025
20AQI
9th July 2025
18AQI
10th July 2025
17AQI
11th July 2025
16AQI
12th July 2025
17AQI
13th July 2025
28AQI
14th July 2025
24AQI
15th July 2025
23AQI
16th July 2025
34AQI
17th July 2025
19AQI
18th July 2025
18AQI
19th July 2025
17AQI
20th July 2025
20AQI
21st July 2025
16AQI
22nd July 2025
16AQI
23rd July 2025
13AQI
24th July 2025
52AQI
25th July 2025
57AQI
26th July 2025
26AQI
27th July 2025
22AQI
28th July 2025
23AQI
29th July 2025
17AQI
30th July 2025
17AQI
31st July 2025
20AQI
1st August 2025
23AQI
2nd August 2025
21AQI
3rd August 2025
25AQI
4th August 2025
23AQI
5th August 2025
23AQI
6th August 2025
25AQI
7th August 2025
26AQI
8th August 2025
23AQI

34AQI

38AQI

36AQI

35AQI

27AQI

23AQI

22AQI

24AQI

No. of days

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

202530AQI

29
2
22
6
27
4
28
2
31
30
29
2
8
204
16

Highest AQI recorded in

February

38AQI

Lowest AQI recorded in

July

22AQI

202429AQI

25
6
23
4
29
2
26
4
31
30
31
31
4
23
25
5
30
1
308
22

Highest AQI recorded in

November

34AQI

Lowest AQI recorded in

May

23AQI

202338AQI

15
16
12
12
4
15
14
1
1
29
1
29
2
30
20
1
9
22
6
181
52
5
1

Highest AQI recorded in

February

63AQI

Lowest AQI recorded in

June

18AQI

202238AQI

31
17
4
8
9
24
6
23
1
25
3
25
6
7
14
9
22
9
192
42
9

Highest AQI recorded in

November

79AQI

Lowest AQI recorded in

March

16AQI

202132AQI

28
2
20
8
6
3
4
20
11
30
29
2
27
4
24
5
1
22
9
30
30
1
270
45
1

Highest AQI recorded in

May

44AQI

Lowest AQI recorded in

November

18AQI

202032AQI

10
27
4
27
3
27
4
26
4
28
3
145
18

Highest AQI recorded in

November

36AQI

Lowest AQI recorded in

July

27AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
38AQI
Least Polluted Year Recorded
2024(Avg.)
29AQI

St Peter Port's annual 2025 AQI (30) shows an average percentage change of -8.8% (improved AQI) compared to previous years: 2020 (32), 2021 (32), 2022 (38), 2023 (38), 2024 (29).