Analyse Historique de la Qualité de l'Air à Contra Costa Centre, California, United States
Plongez dans des détails sur la qualité de l'air avec des données historiques, des tendances mensuelles et annuelles à portée de main !
Bon
050
Modéré
100
Pauvre
150
Non sain
200
Sévère
300
Dangereux
301+
Analyse de la qualité de l'air de Août
Contra Costa Centre, California, United States
2021
2022
2023
2024
2025
AQI
.
Jours
Tendances AQI : Le plus élevé et le plus bas
AQI le plus élevé enregistré le
28th Aug 2021
124AQIAQI le plus bas enregistré le
17th Aug 2024
11AQIAnalyse du même jour (13th August ):
Ce jour-là, l'AQI au cours des 5 années a varié de manière significative : 2025 se classe 4th le plus élevé AQI à 23 de Bon qualité de l'air, montrant une amélioration par rapport à 2024, 2023 et 2021 le même jour.
Télécharger les données annuelles 2024
Rapport mondial sur la qualité de l'air
Tendance AQI Jour & Nuit : 13th Aug - 14th Aug 2025
Contra Costa Centre, California, United States
AQI
Jour
Nuit
.
6 AM13th Aug 2025
8 PM
5 AM14th Aug 2025
Heure du jour
Heure moyenne la plus haute
6PM13th Aug
31AQI
Heure moyenne la plus basse
1PM13th Aug
18AQI
Heure de la nuit
Heure moyenne la plus haute
9PM13th Aug
30AQI
Heure moyenne la plus basse
5AM14th Aug
16AQI
Au cours des 24 dernières heures,
L'AQI de Contra Costa Centre a atteint son point le plus élevé de 31 à 6 PM pendant le Jour, tandis que le point le plus bas, 16, a été enregistré à 5 AM pendant le Nuit entre 13th Aug et 14th Aug 2025.
Tendance AQI Jour & Nuit : Jul - Aug 2025
Contra Costa Centre, California, United States
JulAug
15th - 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 - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Jour
Nuit
15th Jul 2025146 AMAQI
15th Jul 2025147 AMAQI
15th Jul 2025148 AMAQI
15th Jul 2025159 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251411 AMAQI
15th Jul 20251612 PMAQI
15th Jul 2025171 PMAQI
15th Jul 2025152 PMAQI
15th Jul 2025163 PMAQI
15th Jul 2025174 PMAQI
15th Jul 2025185 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025187 PMAQI
15th Jul 2025198 PMAQI
15th Jul 2025209 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252412 AMAQI
16th Jul 2025251 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025243 AMAQI
16th Jul 2025254 AMAQI
16th Jul 2025195 AMAQI
16°C13/25°C
16th Jul 2025186 AMAQI
16th Jul 2025187 AMAQI
16th Jul 2025188 AMAQI
16th Jul 2025179 AMAQI
16th Jul 20251810 AMAQI
16th Jul 20251811 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025181 PMAQI
16th Jul 2025182 PMAQI
16th Jul 2025193 PMAQI
16th Jul 2025204 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025208 PMAQI
16th Jul 2025189 PMAQI
16th Jul 20251810 PMAQI
16th Jul 20252011 PMAQI
17th Jul 20252212 AMAQI
17th Jul 2025201 AMAQI
17th Jul 2025182 AMAQI
17th Jul 2025193 AMAQI
17th Jul 2025184 AMAQI
17th Jul 2025205 AMAQI
17°C14/22°C
17th Jul 2025206 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025168 AMAQI
17th Jul 2025159 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251711 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025172 PMAQI
17th Jul 2025173 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025195 PMAQI
17th Jul 2025196 PMAQI
17th Jul 2025187 PMAQI
17th Jul 2025188 PMAQI
17th Jul 2025189 PMAQI
17th Jul 20251810 PMAQI
17th Jul 20252011 PMAQI
18th Jul 20252112 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025134 AMAQI
18th Jul 2025165 AMAQI
19°C14/27°C
18th Jul 2025186 AMAQI
18th Jul 2025157 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025141 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025204 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025166 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025178 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025181 AMAQI
19th Jul 2025192 AMAQI
19th Jul 2025203 AMAQI
19th Jul 2025204 AMAQI
19th Jul 2025185 AMAQI
19°C14/27°C
19th Jul 2025186 AMAQI
19th Jul 2025207 AMAQI
19th Jul 2025188 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025195 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025181 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025214 AMAQI
20th Jul 2025205 AMAQI
18°C13/27°C
20th Jul 2025206 AMAQI
20th Jul 2025197 AMAQI
20th Jul 2025178 AMAQI
20th Jul 2025159 AMAQI
20th Jul 20251610 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025241 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025283 AMAQI
21st Jul 2025264 AMAQI
21st Jul 2025205 AMAQI
17°C12/24°C
21st Jul 2025216 AMAQI
21st Jul 2025237 AMAQI
21st Jul 2025218 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251712 PMAQI
21st Jul 2025161 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025206 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20251812 AMAQI
22nd Jul 2025161 AMAQI
22nd Jul 2025162 AMAQI
22nd Jul 2025153 AMAQI
22nd Jul 2025124 AMAQI
22nd Jul 2025145 AMAQI
16°C13/20°C
22nd Jul 2025146 AMAQI
22nd Jul 2025127 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025129 AMAQI
22nd Jul 20251310 AMAQI
22nd Jul 20251311 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025121 PMAQI
22nd Jul 2025132 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025144 PMAQI
22nd Jul 2025155 PMAQI
22nd Jul 2025146 PMAQI
22nd Jul 2025157 PMAQI
22nd Jul 2025148 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251512 AMAQI
23rd Jul 2025141 AMAQI
23rd Jul 2025142 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025124 AMAQI
23rd Jul 2025125 AMAQI
17°C14/23°C
23rd Jul 2025126 AMAQI
23rd Jul 2025127 AMAQI
23rd Jul 2025138 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251410 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025161 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025143 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025155 PMAQI
23rd Jul 2025156 PMAQI
23rd Jul 2025157 PMAQI
23rd Jul 2025168 PMAQI
23rd Jul 2025159 PMAQI
23rd Jul 20251510 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251512 AMAQI
24th Jul 2025151 AMAQI
24th Jul 2025142 AMAQI
24th Jul 2025153 AMAQI
24th Jul 2025144 AMAQI
24th Jul 2025135 AMAQI
18°C14/24°C
24th Jul 2025126 AMAQI
24th Jul 2025147 AMAQI
24th Jul 2025148 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251410 AMAQI
24th Jul 20251411 AMAQI
24th Jul 20251412 PMAQI
24th Jul 2025141 PMAQI
24th Jul 2025152 PMAQI
24th Jul 2025153 PMAQI
24th Jul 2025164 PMAQI
24th Jul 2025165 PMAQI
24th Jul 2025156 PMAQI
24th Jul 2025147 PMAQI
24th Jul 2025168 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251610 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251612 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025183 AMAQI
25th Jul 2025164 AMAQI
25th Jul 2025145 AMAQI
18°C14/25°C
25th Jul 2025146 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025148 AMAQI
25th Jul 2025149 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251411 AMAQI
25th Jul 20251412 PMAQI
25th Jul 2025141 PMAQI
25th Jul 2025152 PMAQI
25th Jul 2025153 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025169 PMAQI
25th Jul 20251610 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251612 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025153 AMAQI
26th Jul 2025144 AMAQI
26th Jul 2025145 AMAQI
17°C14/22°C
26th Jul 2025126 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025138 AMAQI
26th Jul 2025139 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251411 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025131 PMAQI
26th Jul 2025142 PMAQI
26th Jul 2025153 PMAQI
26th Jul 2025144 PMAQI
26th Jul 2025145 PMAQI
26th Jul 2025156 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025169 PMAQI
26th Jul 20251410 PMAQI
26th Jul 20251611 PMAQI
27th Jul 20251612 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025162 AMAQI
27th Jul 2025153 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025145 AMAQI
17°C14/22°C
27th Jul 2025146 AMAQI
27th Jul 2025157 AMAQI
27th Jul 2025148 AMAQI
27th Jul 2025149 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251412 PMAQI
27th Jul 2025141 PMAQI
27th Jul 2025142 PMAQI
27th Jul 2025153 PMAQI
27th Jul 2025154 PMAQI
27th Jul 2025155 PMAQI
27th Jul 2025166 PMAQI
27th Jul 2025157 PMAQI
27th Jul 2025168 PMAQI
27th Jul 2025169 PMAQI
27th Jul 20251710 PMAQI
27th Jul 20251711 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025193 AMAQI
28th Jul 2025194 AMAQI
28th Jul 2025195 AMAQI
17°C14/23°C
28th Jul 2025166 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025169 AMAQI
28th Jul 20251610 AMAQI
28th Jul 20251811 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025232 AMAQI
29th Jul 2025213 AMAQI
29th Jul 2025174 AMAQI
29th Jul 2025185 AMAQI
20°C14/29°C
29th Jul 2025186 AMAQI
29th Jul 2025207 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20252311 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025211 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025233 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252310 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025233 AMAQI
30th Jul 2025224 AMAQI
30th Jul 2025185 AMAQI
19°C12/29°C
30th Jul 2025196 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252210 AMAQI
30th Jul 20251911 AMAQI
30th Jul 20251812 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025246 PMAQI
30th Jul 2025247 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025204 AMAQI
31st Jul 2025155 AMAQI
17°C13/23°C
31st Jul 2025186 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025209 AMAQI
31st Jul 20251910 AMAQI
31st Jul 20251811 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025201 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025251 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025214 AMAQI
1st Aug 2025275 AMAQI
20°C14/30°C
1st Aug 2025216 AMAQI
1st Aug 2025167 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025179 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20252012 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025242 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025285 PMAQI
1st Aug 2025286 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025248 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025224 AMAQI
2nd Aug 2025225 AMAQI
19°C14/27°C
2nd Aug 2025226 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025189 AMAQI
2nd Aug 20251610 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025181 PMAQI
2nd Aug 2025162 PMAQI
2nd Aug 2025183 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025205 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025209 PMAQI
2nd Aug 20252110 PMAQI
2nd Aug 20252011 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025241 AMAQI
3rd Aug 2025242 AMAQI
3rd Aug 2025263 AMAQI
3rd Aug 2025244 AMAQI
3rd Aug 2025215 AMAQI
19°C14/29°C
3rd Aug 2025226 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025288 AMAQI
3rd Aug 2025299 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20253511 AMAQI
3rd Aug 20254012 PMAQI
3rd Aug 2025441 PMAQI
3rd Aug 2025452 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025444 PMAQI
3rd Aug 2025375 PMAQI
3rd Aug 2025376 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025388 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254711 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025352 AMAQI
4th Aug 2025373 AMAQI
4th Aug 2025364 AMAQI
4th Aug 2025365 AMAQI
19°C13/28°C
4th Aug 2025326 AMAQI
4th Aug 2025347 AMAQI
4th Aug 2025318 AMAQI
4th Aug 2025309 AMAQI
4th Aug 20253410 AMAQI
4th Aug 20253611 AMAQI
4th Aug 20253912 PMAQI
4th Aug 2025401 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025353 PMAQI
4th Aug 2025344 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025357 PMAQI
4th Aug 2025328 PMAQI
4th Aug 2025319 PMAQI
4th Aug 20253010 PMAQI
4th Aug 20252911 PMAQI
5th Aug 20252912 AMAQI
5th Aug 2025281 AMAQI
5th Aug 2025282 AMAQI
5th Aug 2025263 AMAQI
5th Aug 2025244 AMAQI
5th Aug 2025285 AMAQI
20°C12/29°C
5th Aug 2025296 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025299 AMAQI
5th Aug 20253310 AMAQI
5th Aug 20253211 AMAQI
5th Aug 20253012 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025303 PMAQI
5th Aug 2025354 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025287 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025329 PMAQI
5th Aug 20253810 PMAQI
5th Aug 20253411 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025331 AMAQI
6th Aug 2025312 AMAQI
6th Aug 2025293 AMAQI
6th Aug 2025284 AMAQI
6th Aug 2025295 AMAQI
18°C11/28°C
6th Aug 2025306 AMAQI
6th Aug 2025327 AMAQI
6th Aug 2025318 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025331 PMAQI
6th Aug 2025372 PMAQI
6th Aug 2025353 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025345 PMAQI
6th Aug 2025336 PMAQI
6th Aug 2025327 PMAQI
6th Aug 2025318 PMAQI
6th Aug 2025319 PMAQI
6th Aug 20253110 PMAQI
6th Aug 20253011 PMAQI
7th Aug 20253112 AMAQI
7th Aug 2025281 AMAQI
7th Aug 2025282 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025184 AMAQI
7th Aug 2025185 AMAQI
22°C12/35°C
7th Aug 2025206 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025208 AMAQI
7th Aug 2025199 AMAQI
7th Aug 20252210 AMAQI
7th Aug 20253011 AMAQI
7th Aug 20252512 PMAQI
7th Aug 2025231 PMAQI
7th Aug 2025242 PMAQI
7th Aug 2025263 PMAQI
7th Aug 2025244 PMAQI
7th Aug 2025235 PMAQI
7th Aug 2025226 PMAQI
7th Aug 2025257 PMAQI
7th Aug 2025248 PMAQI
7th Aug 2025239 PMAQI
7th Aug 20252310 PMAQI
7th Aug 20252311 PMAQI
8th Aug 20252412 AMAQI
8th Aug 2025251 AMAQI
8th Aug 2025262 AMAQI
8th Aug 2025263 AMAQI
8th Aug 2025244 AMAQI
8th Aug 2025185 AMAQI
21°C14/32°C
8th Aug 2025196 AMAQI
8th Aug 2025247 AMAQI
8th Aug 2025318 AMAQI
8th Aug 2025309 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20253711 AMAQI
8th Aug 20253312 PMAQI
8th Aug 2025321 PMAQI
8th Aug 2025292 PMAQI
8th Aug 2025343 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025335 PMAQI
8th Aug 2025326 PMAQI
8th Aug 2025307 PMAQI
8th Aug 2025308 PMAQI
8th Aug 2025289 PMAQI
8th Aug 20252810 PMAQI
8th Aug 20253011 PMAQI
9th Aug 20252912 AMAQI
9th Aug 2025291 AMAQI
9th Aug 2025322 AMAQI
9th Aug 2025323 AMAQI
9th Aug 2025324 AMAQI
9th Aug 2025405 AMAQI
22°C12/36°C
9th Aug 2025396 AMAQI
9th Aug 2025397 AMAQI
9th Aug 2025338 AMAQI
9th Aug 2025289 AMAQI
9th Aug 20252610 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20253312 PMAQI
9th Aug 2025311 PMAQI
9th Aug 2025342 PMAQI
9th Aug 2025363 PMAQI
9th Aug 2025344 PMAQI
9th Aug 2025355 PMAQI
9th Aug 2025336 PMAQI
9th Aug 2025357 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025319 PMAQI
9th Aug 20252910 PMAQI
9th Aug 20253011 PMAQI
10th Aug 20253212 AMAQI
10th Aug 2025321 AMAQI
10th Aug 2025322 AMAQI
10th Aug 2025293 AMAQI
10th Aug 2025294 AMAQI
10th Aug 2025345 AMAQI
23°C14/33°C
10th Aug 2025346 AMAQI
10th Aug 2025377 AMAQI
10th Aug 2025268 AMAQI
10th Aug 2025279 AMAQI
10th Aug 20252410 AMAQI
10th Aug 20252211 AMAQI
10th Aug 20252112 PMAQI
10th Aug 2025261 PMAQI
10th Aug 2025292 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025284 PMAQI
10th Aug 2025285 PMAQI
10th Aug 2025286 PMAQI
10th Aug 2025287 PMAQI
10th Aug 2025268 PMAQI
10th Aug 2025279 PMAQI
10th Aug 20252710 PMAQI
10th Aug 20252611 PMAQI
11th Aug 20252812 AMAQI
11th Aug 2025231 AMAQI
11th Aug 2025252 AMAQI
11th Aug 2025183 AMAQI
11th Aug 2025224 AMAQI
11th Aug 2025205 AMAQI
21°C13/34°C
11th Aug 2025216 AMAQI
11th Aug 2025247 AMAQI
11th Aug 2025238 AMAQI
11th Aug 2025219 AMAQI
11th Aug 20252610 AMAQI
11th Aug 20252411 AMAQI
11th Aug 20252412 PMAQI
11th Aug 2025261 PMAQI
11th Aug 2025282 PMAQI
11th Aug 2025323 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025355 PMAQI
11th Aug 2025366 PMAQI
11th Aug 2025257 PMAQI
11th Aug 2025328 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253610 PMAQI
11th Aug 20253011 PMAQI
12th Aug 20252812 AMAQI
12th Aug 2025231 AMAQI
12th Aug 2025222 AMAQI
12th Aug 2025223 AMAQI
12th Aug 2025244 AMAQI
12th Aug 2025225 AMAQI
19°C11/29°C
12th Aug 2025216 AMAQI
12th Aug 2025217 AMAQI
12th Aug 2025238 AMAQI
12th Aug 2025229 AMAQI
12th Aug 20252210 AMAQI
12th Aug 20252011 AMAQI
12th Aug 20252312 PMAQI
12th Aug 2025241 PMAQI
12th Aug 2025252 PMAQI
12th Aug 2025323 PMAQI
12th Aug 2025364 PMAQI
12th Aug 2025395 PMAQI
12th Aug 2025386 PMAQI
12th Aug 2025337 PMAQI
12th Aug 2025348 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253810 PMAQI
12th Aug 20253411 PMAQI
13th Aug 20252612 AMAQI
13th Aug 2025261 AMAQI
13th Aug 2025242 AMAQI
13th Aug 2025223 AMAQI
13th Aug 2025224 AMAQI
13th Aug 2025225 AMAQI
18°C14/28°C
13th Aug 2025216 AMAQI
13th Aug 2025207 AMAQI
13th Aug 2025198 AMAQI
13th Aug 2025189 AMAQI
13th Aug 20251810 AMAQI
13th Aug 20252011 AMAQI
13th Aug 20251912 PMAQI
13th Aug 2025181 PMAQI
13th Aug 2025202 PMAQI
13th Aug 2025243 PMAQI
13th Aug 2025254 PMAQI
13th Aug 2025275 PMAQI
13th Aug 2025316 PMAQI
13th Aug 2025237 PMAQI
13th Aug 2025268 PMAQI
13th Aug 2025309 PMAQI
13th Aug 20252710 PMAQI
13th Aug 20252511 PMAQI
14th Aug 20252212 AMAQI
14th Aug 2025191 AMAQI
14th Aug 2025162 AMAQI
14th Aug 2025163 AMAQI
14th Aug 2025164 AMAQI
14th Aug 2025165 AMAQI
19°C14/25°C
14th Aug 2025156 AMAQI
6 AM14th Aug 2025137 AMAQI
14th Aug 2025148 AMAQI
1 PM
8 PM
1 AM
5 AM
--°C/°C
Heure du jour
Heure moyenne la plus haute
6 AM - 6 PM
22AQI
13 heures / Jour
390 heures / Mois
Heure moyenne la plus basse
6 AM - 8 PM
22AQI
15 heures / Jour
450 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 6 AM à 6 PM (Moyenne 22), tandis que l'AQI le plus bas était entre 6 AM à 8 PM (Moyenne 22).
Heure de la nuit
Heure moyenne la plus haute
9 PM - 11 PM
24AQI
3 heures / Jour
90 heures / Mois
Heure moyenne la plus basse
12 AM - 5 AM
22AQI
6 heures / Jour
180 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 9 PM à 11 PM (Moyenne 24), tandis que l'AQI le plus bas était entre 12 AM à 5 AM (Moyenne 22).
Jours de 2025 Vs Qualité de l'Air
Contra Costa Centre, California, United States
2025
100%
224
0.4%
1
Nombre total de jours avec différentes catégories AQI au cours des 226 derniers jours de 2025 (139 jours restants)
Bon
224 JoursModéré
1 JoursPauvre
0 JoursNon sain
0 JoursSévère
0 JoursDangereux
0 JoursSous les limites sécuritaires de l'OMS pour la qualité de l'air : 100%
Niveau de risque sanitaire:
Très faible
En 2025, 100% des 226 jours étaient dans les limites sécuritaires de l'OMS pour la qualité de l'air. Le risque de problèmes de santé est Très faible, mais les impacts sur la santé ne sont pas encore clairs.
Aperçus Annuels sur la Qualité de l'Air
Contra Costa Centre, California, United States
Niveaux AQI en 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Dim.Lun.Mar.Mer.Jeu.Ven.Sam.
Jan.
Fév.
Mar.
Avr.
Mai
Juin
Juil.
Août
Sep.
Oct.
Nov.
Déc.
1st Janvier 2025
46AQI
46AQI
2nd Janvier 2025
40AQI
40AQI
3rd Janvier 2025
34AQI
34AQI
4th Janvier 2025
24AQI
24AQI
5th Janvier 2025
30AQI
30AQI
6th Janvier 2025
31AQI
31AQI
7th Janvier 2025
25AQI
25AQI
8th Janvier 2025
23AQI
23AQI
9th Janvier 2025
30AQI
30AQI
10th Janvier 2025
48AQI
48AQI
11th Janvier 2025
30AQI
30AQI
12th Janvier 2025
25AQI
25AQI
13th Janvier 2025
29AQI
29AQI
14th Janvier 2025
26AQI
26AQI
15th Janvier 2025
42AQI
42AQI
16th Janvier 2025
50AQI
50AQI
17th Janvier 2025
39AQI
39AQI
18th Janvier 2025
38AQI
38AQI
19th Janvier 2025
49AQI
49AQI
20th Janvier 2025
34AQI
34AQI
21st Janvier 2025
37AQI
37AQI
22nd Janvier 2025
36AQI
36AQI
23rd Janvier 2025
43AQI
43AQI
24th Janvier 2025
53AQI
53AQI
25th Janvier 2025
44AQI
44AQI
26th Janvier 2025
29AQI
29AQI
27th Janvier 2025
27AQI
27AQI
28th Janvier 2025
35AQI
35AQI
29th Janvier 2025
34AQI
34AQI
30th Janvier 2025
39AQI
39AQI
31st Janvier 2025
37AQI
37AQI
1st Février 2025
43AQI
43AQI
2nd Février 2025
20AQI
20AQI
3rd Février 2025
21AQI
21AQI
4th Février 2025
20AQI
20AQI
5th Février 2025
25AQI
25AQI
6th Février 2025
23AQI
23AQI
7th Février 2025
24AQI
24AQI
8th Février 2025
22AQI
22AQI
9th Février 2025
25AQI
25AQI
10th Février 2025
24AQI
24AQI
11th Février 2025
24AQI
24AQI
12th Février 2025
24AQI
24AQI
13th Février 2025
34AQI
34AQI
14th Février 2025
27AQI
27AQI
15th Février 2025
25AQI
25AQI
16th Février 2025
22AQI
22AQI
17th Février 2025
21AQI
21AQI
18th Février 2025
21AQI
21AQI
19th Février 2025
22AQI
22AQI
20th Février 2025
23AQI
23AQI
21st Février 2025
21AQI
21AQI
22nd Février 2025
26AQI
26AQI
23rd Février 2025
23AQI
23AQI
24th Février 2025
21AQI
21AQI
25th Février 2025
21AQI
21AQI
26th Février 2025
23AQI
23AQI
27th Février 2025
24AQI
24AQI
28th Février 2025
28AQI
28AQI
1st Mars 2025
27AQI
27AQI
2nd Mars 2025
24AQI
24AQI
3rd Mars 2025
22AQI
22AQI
4th Mars 2025
21AQI
21AQI
5th Mars 2025
21AQI
21AQI
6th Mars 2025
25AQI
25AQI
7th Mars 2025
22AQI
22AQI
8th Mars 2025
23AQI
23AQI
9th Mars 2025
27AQI
27AQI
10th Mars 2025
25AQI
25AQI
11th Mars 2025
25AQI
25AQI
12th Mars 2025
25AQI
25AQI
13th Mars 2025
19AQI
19AQI
14th Mars 2025
19AQI
19AQI
15th Mars 2025
47AQI
47AQI
16th Mars 2025
30AQI
30AQI
17th Mars 2025
16AQI
16AQI
18th Mars 2025
23AQI
23AQI
19th Mars 2025
20AQI
20AQI
20th Mars 2025
15AQI
15AQI
21st Mars 2025
19AQI
19AQI
22nd Mars 2025
18AQI
18AQI
23rd Mars 2025
23AQI
23AQI
24th Mars 2025
22AQI
22AQI
25th Mars 2025
24AQI
24AQI
26th Mars 2025
21AQI
21AQI
27th Mars 2025
18AQI
18AQI
28th Mars 2025
21AQI
21AQI
29th Mars 2025
17AQI
17AQI
30th Mars 2025
19AQI
19AQI
31st Mars 2025
19AQI
19AQI
1st Avril 2025
18AQI
18AQI
2nd Avril 2025
19AQI
19AQI
3rd Avril 2025
19AQI
19AQI
4th Avril 2025
17AQI
17AQI
5th Avril 2025
16AQI
16AQI
6th Avril 2025
16AQI
16AQI
7th Avril 2025
14AQI
14AQI
8th Avril 2025
14AQI
14AQI
9th Avril 2025
20AQI
20AQI
10th Avril 2025
19AQI
19AQI
11th Avril 2025
18AQI
18AQI
12th Avril 2025
27AQI
27AQI
13th Avril 2025
30AQI
30AQI
14th Avril 2025
22AQI
22AQI
15th Avril 2025
26AQI
26AQI
16th Avril 2025
26AQI
26AQI
17th Avril 2025
22AQI
22AQI
18th Avril 2025
21AQI
21AQI
19th Avril 2025
27AQI
27AQI
20th Avril 2025
23AQI
23AQI
21st Avril 2025
21AQI
21AQI
22nd Avril 2025
35AQI
35AQI
23rd Avril 2025
42AQI
42AQI
24th Avril 2025
30AQI
30AQI
25th Avril 2025
18AQI
18AQI
26th Avril 2025
15AQI
15AQI
27th Avril 2025
19AQI
19AQI
28th Avril 2025
22AQI
22AQI
29th Avril 2025
23AQI
23AQI
30th Avril 2025
27AQI
27AQI
1st Mai 2025
36AQI
36AQI
2nd Mai 2025
26AQI
26AQI
3rd Mai 2025
21AQI
21AQI
4th Mai 2025
27AQI
27AQI
5th Mai 2025
21AQI
21AQI
6th Mai 2025
32AQI
32AQI
7th Mai 2025
41AQI
41AQI
8th Mai 2025
28AQI
28AQI
9th Mai 2025
22AQI
22AQI
10th Mai 2025
18AQI
18AQI
11th Mai 2025
19AQI
19AQI
12th Mai 2025
19AQI
19AQI
13th Mai 2025
16AQI
16AQI
14th Mai 2025
26AQI
26AQI
15th Mai 2025
28AQI
28AQI
16th Mai 2025
35AQI
35AQI
17th Mai 2025
22AQI
22AQI
18th Mai 2025
19AQI
19AQI
19th Mai 2025
21AQI
21AQI
20th Mai 2025
17AQI
17AQI
21st Mai 2025
30AQI
30AQI
22nd Mai 2025
28AQI
28AQI
23rd Mai 2025
19AQI
19AQI
24th Mai 2025
25AQI
25AQI
25th Mai 2025
17AQI
17AQI
26th Mai 2025
15AQI
15AQI
27th Mai 2025
19AQI
19AQI
28th Mai 2025
20AQI
20AQI
29th Mai 2025
16AQI
16AQI
30th Mai 2025
22AQI
22AQI
31st Mai 2025
32AQI
32AQI
1st Juin 2025
47AQI
47AQI
2nd Juin 2025
45AQI
45AQI
3rd Juin 2025
27AQI
27AQI
4th Juin 2025
42AQI
42AQI
5th Juin 2025
26AQI
26AQI
6th Juin 2025
20AQI
20AQI
7th Juin 2025
21AQI
21AQI
8th Juin 2025
18AQI
18AQI
9th Juin 2025
16AQI
16AQI
10th Juin 2025
18AQI
18AQI
11th Juin 2025
34AQI
34AQI
12th Juin 2025
40AQI
40AQI
13th Juin 2025
41AQI
41AQI
14th Juin 2025
37AQI
37AQI
15th Juin 2025
37AQI
37AQI
16th Juin 2025
36AQI
36AQI
17th Juin 2025
28AQI
28AQI
18th Juin 2025
26AQI
26AQI
19th Juin 2025
36AQI
36AQI
20th Juin 2025
35AQI
35AQI
21st Juin 2025
34AQI
34AQI
22nd Juin 2025
32AQI
32AQI
23rd Juin 2025
27AQI
27AQI
24th Juin 2025
22AQI
22AQI
25th Juin 2025
20AQI
20AQI
26th Juin 2025
23AQI
23AQI
27th Juin 2025
28AQI
28AQI
28th Juin 2025
32AQI
32AQI
29th Juin 2025
27AQI
27AQI
30th Juin 2025
22AQI
22AQI
1st Juillet 2025
26AQI
26AQI
2nd Juillet 2025
25AQI
25AQI
3rd Juillet 2025
36AQI
36AQI
4th Juillet 2025
31AQI
31AQI
5th Juillet 2025
32AQI
32AQI
6th Juillet 2025
32AQI
32AQI
7th Juillet 2025
22AQI
22AQI
8th Juillet 2025
19AQI
19AQI
9th Juillet 2025
17AQI
17AQI
10th Juillet 2025
22AQI
22AQI
11th Juillet 2025
36AQI
36AQI
12th Juillet 2025
39AQI
39AQI
13th Juillet 2025
30AQI
30AQI
14th Juillet 2025
19AQI
19AQI
15th Juillet 2025
18AQI
18AQI
16th Juillet 2025
20AQI
20AQI
17th Juillet 2025
18AQI
18AQI
18th Juillet 2025
18AQI
18AQI
19th Juillet 2025
20AQI
20AQI
20th Juillet 2025
21AQI
21AQI
21st Juillet 2025
22AQI
22AQI
22nd Juillet 2025
15AQI
15AQI
23rd Juillet 2025
14AQI
14AQI
24th Juillet 2025
15AQI
15AQI
25th Juillet 2025
15AQI
15AQI
26th Juillet 2025
15AQI
15AQI
27th Juillet 2025
15AQI
15AQI
28th Juillet 2025
19AQI
19AQI
29th Juillet 2025
22AQI
22AQI
30th Juillet 2025
23AQI
23AQI
31st Juillet 2025
23AQI
23AQI
1st Août 2025
24AQI
24AQI
2nd Août 2025
20AQI
20AQI
3rd Août 2025
33AQI
33AQI
4th Août 2025
35AQI
35AQI
5th Août 2025
30AQI
30AQI
6th Août 2025
32AQI
32AQI
7th Août 2025
24AQI
24AQI
8th Août 2025
28AQI
28AQI
9th Août 2025
33AQI
33AQI
10th Août 2025
28AQI
28AQI
11th Août 2025
27AQI
27AQI
12th Août 2025
28AQI
28AQI
13th Août 2025
23AQI
23AQI
36AQI
24AQI
22AQI
22AQI
24AQI
30AQI
23AQI
28AQI
Nombre de jours
Jan.Fév.Mar.Avr.MaiJuinJuil.AoûtSep.Oct.Nov.Déc.Jours totaux
202526AQI
30
1
28
31
30
31
30
31
13
224
1
Le plus élevé AQI enregistré en
Janvier36AQI
Le plus bas AQI enregistré en
Avril22AQI
202429AQI
25
1
26
4
2
14
27
2
30
1
31
30
31
27
3
22
9
269
16
Le plus élevé AQI enregistré en
Décembre41AQI
Le plus bas AQI enregistré en
Avril15AQI
202329AQI
31
27
1
30
30
31
30
28
3
28
3
25
4
1
31
28
1
26
5
345
17
1
Le plus élevé AQI enregistré en
Décembre35AQI
Le plus bas AQI enregistré en
Mars24AQI
202232AQI
20
10
21
1
27
1
29
1
31
30
22
2
27
2
31
28
2
21
10
289
27
Le plus élevé AQI enregistré en
Janvier44AQI
Le plus bas AQI enregistré en
Juillet22AQI
202135AQI
26
4
27
1
28
29
1
31
29
1
31
17
12
2
24
6
30
1
19
11
21
10
312
47
2
Le plus élevé AQI enregistré en
Août49AQI
Le plus bas AQI enregistré en
Juin26AQI
202043AQI
13
20
18
30
31
20
5
6
10
14
2
4
20
9
1
1
28
2
21
10
211
40
9
5
Le plus élevé AQI enregistré en
Septembre76AQI
Le plus bas AQI enregistré en
Mars27AQI
Années les plus & moins polluées des 6 dernières années
Année la plus polluée enregistrée
2020(Moyenne)
43AQIAnnée la moins polluée enregistrée
2025(Moyenne)
26AQILa qualité de l'air annuelle de Contra Costa Centre pour l'année 2025 AQI (26) montre un changement moyen de pourcentage de -21.4% (amélioré AQI) par rapport aux années précédentes : 2020 (43), 2021 (35), 2022 (32), 2023 (29), 2024 (29).
