Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Lake Major, Halifax, Nova Scotia, Canada 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

Lake Major, Halifax, Nova Scotia, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Aug 2023
53AQI
Lowest AQI recorded on
30th Aug 2023
10AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Lake Major, Halifax, Nova Scotia, Canada

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
6AM1st Aug

63AQI

Avg. Lowest Time
8PM1st Aug

30AQI

Night time
Avg. Highest Time
5AM1st Aug

68AQI

Avg. Lowest Time
4AM2nd Aug

27AQI

In the last 24 hours,

Lake Major's AQI reached its highest point of 68 at 5 AM during the Night, while the lowest point, 27, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Lake Major, Halifax, Nova Scotia, Canada

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 - 02nd02nd
Day
Night
3rd Jul 2025275 AMAQI
3rd Jul 2025316 AMAQI
3rd Jul 2025327 AMAQI
3rd Jul 2025308 AMAQI
3rd Jul 2025309 AMAQI
3rd Jul 20253110 AMAQI
3rd Jul 20252911 AMAQI
3rd Jul 20252912 PMAQI
3rd Jul 2025281 PMAQI
3rd Jul 2025282 PMAQI
3rd Jul 2025283 PMAQI
3rd Jul 2025284 PMAQI
3rd Jul 2025305 PMAQI
3rd Jul 2025306 PMAQI
3rd Jul 2025307 PMAQI
3rd Jul 2025298 PMAQI
3rd Jul 2025339 PMAQI
3rd Jul 20253210 PMAQI
3rd Jul 20253011 PMAQI
4th Jul 20252812 AMAQI
4th Jul 2025291 AMAQI
4th Jul 2025292 AMAQI
4th Jul 2025233 AMAQI
4th Jul 2025264 AMAQI

18°C15/23°C

4th Jul 2025255 AMAQI
4th Jul 2025246 AMAQI
4th Jul 2025247 AMAQI
4th Jul 2025258 AMAQI
4th Jul 2025269 AMAQI
4th Jul 20252610 AMAQI
4th Jul 20252611 AMAQI
4th Jul 20252812 PMAQI
4th Jul 2025301 PMAQI
4th Jul 2025322 PMAQI
4th Jul 2025313 PMAQI
4th Jul 2025324 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025336 PMAQI
4th Jul 2025327 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025279 PMAQI
4th Jul 20253010 PMAQI
4th Jul 20253111 PMAQI
5th Jul 20253212 AMAQI
5th Jul 2025331 AMAQI
5th Jul 2025282 AMAQI
5th Jul 2025303 AMAQI
5th Jul 2025264 AMAQI

18°C14/23°C

5th Jul 2025255 AMAQI
5th Jul 2025266 AMAQI
5th Jul 2025267 AMAQI
5th Jul 2025238 AMAQI
5th Jul 2025229 AMAQI
5th Jul 20252210 AMAQI
5th Jul 20252211 AMAQI
5th Jul 20252112 PMAQI
5th Jul 2025191 PMAQI
5th Jul 2025192 PMAQI
5th Jul 2025203 PMAQI
5th Jul 2025214 PMAQI
5th Jul 2025235 PMAQI
5th Jul 2025246 PMAQI
5th Jul 2025257 PMAQI
5th Jul 2025248 PMAQI
5th Jul 2025239 PMAQI
5th Jul 20252110 PMAQI
5th Jul 20252311 PMAQI
6th Jul 20252612 AMAQI
6th Jul 2025261 AMAQI
6th Jul 2025262 AMAQI
6th Jul 2025263 AMAQI
6th Jul 2025254 AMAQI

19°C14/24°C

6th Jul 2025265 AMAQI
6th Jul 2025256 AMAQI
6th Jul 2025277 AMAQI
6th Jul 2025248 AMAQI
6th Jul 2025259 AMAQI
6th Jul 20252710 AMAQI
6th Jul 20252911 AMAQI
6th Jul 20253212 PMAQI
6th Jul 2025331 PMAQI
6th Jul 2025362 PMAQI
6th Jul 2025363 PMAQI
6th Jul 2025364 PMAQI
6th Jul 2025345 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025367 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025329 PMAQI
6th Jul 20253210 PMAQI
6th Jul 20253711 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025381 AMAQI
7th Jul 2025392 AMAQI
7th Jul 2025483 AMAQI
7th Jul 2025484 AMAQI

18°C15/24°C

7th Jul 2025465 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025487 AMAQI
7th Jul 2025498 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255211 AMAQI
7th Jul 20255112 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025502 PMAQI
7th Jul 2025463 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025465 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025447 PMAQI
7th Jul 2025438 PMAQI
7th Jul 2025469 PMAQI
7th Jul 20254310 PMAQI
7th Jul 20254011 PMAQI
8th Jul 20253812 AMAQI
8th Jul 2025391 AMAQI
8th Jul 2025322 AMAQI
8th Jul 2025213 AMAQI
8th Jul 2025204 AMAQI

20°C14/25°C

8th Jul 2025205 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025207 AMAQI
8th Jul 2025198 AMAQI
8th Jul 2025219 AMAQI
8th Jul 20252110 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025212 PMAQI
8th Jul 2025223 PMAQI
8th Jul 2025224 PMAQI
8th Jul 2025235 PMAQI
8th Jul 2025236 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025228 PMAQI
8th Jul 2025239 PMAQI
8th Jul 20252210 PMAQI
8th Jul 20252311 PMAQI
9th Jul 20252612 AMAQI
9th Jul 2025261 AMAQI
9th Jul 2025262 AMAQI
9th Jul 2025243 AMAQI
9th Jul 2025224 AMAQI

18°C16/21°C

9th Jul 2025205 AMAQI
9th Jul 2025196 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025199 AMAQI
9th Jul 20251910 AMAQI
9th Jul 20252011 AMAQI
9th Jul 20252012 PMAQI
9th Jul 2025211 PMAQI
9th Jul 2025212 PMAQI
9th Jul 2025203 PMAQI
9th Jul 2025224 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025236 PMAQI
9th Jul 2025227 PMAQI
9th Jul 2025238 PMAQI
9th Jul 2025229 PMAQI
9th Jul 20252210 PMAQI
9th Jul 20252311 PMAQI
10th Jul 20252412 AMAQI
10th Jul 2025231 AMAQI
10th Jul 2025242 AMAQI
10th Jul 2025243 AMAQI
10th Jul 2025244 AMAQI

18°C14/21°C

10th Jul 2025225 AMAQI
10th Jul 2025226 AMAQI
10th Jul 2025227 AMAQI
10th Jul 2025218 AMAQI
10th Jul 2025249 AMAQI
10th Jul 20252410 AMAQI
10th Jul 20252511 AMAQI
10th Jul 20252512 PMAQI
10th Jul 2025221 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025243 PMAQI
10th Jul 2025234 PMAQI
10th Jul 2025235 PMAQI
10th Jul 2025266 PMAQI
10th Jul 2025257 PMAQI
10th Jul 2025248 PMAQI
10th Jul 2025259 PMAQI
10th Jul 20252210 PMAQI
10th Jul 20252411 PMAQI
11th Jul 20252412 AMAQI
11th Jul 2025251 AMAQI
11th Jul 2025242 AMAQI
11th Jul 2025183 AMAQI
11th Jul 2025224 AMAQI

17°C13/20°C

11th Jul 2025225 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025207 AMAQI
11th Jul 2025218 AMAQI
11th Jul 2025209 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025202 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025204 PMAQI
11th Jul 2025225 PMAQI
11th Jul 2025226 PMAQI
11th Jul 2025247 PMAQI
11th Jul 2025228 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252410 PMAQI
11th Jul 20252511 PMAQI
12th Jul 20252412 AMAQI
12th Jul 2025261 AMAQI
12th Jul 2025262 AMAQI
12th Jul 2025253 AMAQI
12th Jul 2025244 AMAQI

16°C14/18°C

12th Jul 2025235 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025227 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025229 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252311 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025252 PMAQI
12th Jul 2025263 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025285 PMAQI
12th Jul 2025266 PMAQI
12th Jul 2025277 PMAQI
12th Jul 2025268 PMAQI
12th Jul 2025259 PMAQI
12th Jul 20252710 PMAQI
12th Jul 20252711 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025281 AMAQI
13th Jul 2025262 AMAQI
13th Jul 2025213 AMAQI
13th Jul 2025204 AMAQI

17°C14/22°C

13th Jul 2025215 AMAQI
13th Jul 2025196 AMAQI
13th Jul 2025207 AMAQI
13th Jul 2025198 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252210 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025244 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025248 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252312 AMAQI
14th Jul 2025231 AMAQI
14th Jul 2025222 AMAQI
14th Jul 2025183 AMAQI
14th Jul 2025194 AMAQI

18°C14/25°C

14th Jul 2025185 AMAQI
14th Jul 2025176 AMAQI
14th Jul 2025177 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025179 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025161 PMAQI
14th Jul 2025162 PMAQI
14th Jul 2025163 PMAQI
14th Jul 2025194 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025196 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025218 PMAQI
14th Jul 2025209 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20252011 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025212 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025164 AMAQI

17°C13/21°C

15th Jul 2025165 AMAQI
15th Jul 2025166 AMAQI
15th Jul 2025167 AMAQI
15th Jul 2025148 AMAQI
15th Jul 2025179 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025202 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025236 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025229 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252811 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025321 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025344 AMAQI

20°C16/26°C

16th Jul 2025375 AMAQI
16th Jul 2025436 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025491 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025254 AMAQI

21°C17/25°C

17th Jul 2025185 AMAQI
17th Jul 2025186 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025168 AMAQI
17th Jul 2025209 AMAQI
17th Jul 20252010 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20251912 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025193 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025225 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025237 PMAQI
17th Jul 2025238 PMAQI
17th Jul 2025229 PMAQI
17th Jul 20252210 PMAQI
17th Jul 20252211 PMAQI
18th Jul 20252212 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025143 AMAQI
18th Jul 2025144 AMAQI

19°C18/21°C

18th Jul 2025135 AMAQI
18th Jul 2025126 AMAQI
18th Jul 2025137 AMAQI
18th Jul 2025148 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20251711 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025175 PMAQI
18th Jul 2025176 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025168 PMAQI
18th Jul 2025169 PMAQI
18th Jul 20251710 PMAQI
18th Jul 20251711 PMAQI
19th Jul 20251712 AMAQI
19th Jul 2025181 AMAQI
19th Jul 2025182 AMAQI
19th Jul 2025163 AMAQI
19th Jul 2025184 AMAQI

21°C18/29°C

19th Jul 2025165 AMAQI
19th Jul 2025166 AMAQI
19th Jul 2025157 AMAQI
19th Jul 2025178 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251710 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025189 PMAQI
19th Jul 20251910 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252112 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025224 AMAQI

20°C15/28°C

20th Jul 2025225 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252311 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025212 AMAQI
21st Jul 2025183 AMAQI
21st Jul 2025184 AMAQI

18°C14/23°C

21st Jul 2025175 AMAQI
21st Jul 2025166 AMAQI
21st Jul 2025157 AMAQI
21st Jul 2025178 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251710 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251712 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025218 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20251911 PMAQI
22nd Jul 20251912 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025144 AMAQI

18°C16/24°C

22nd Jul 2025145 AMAQI
22nd Jul 2025126 AMAQI
22nd Jul 2025137 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025139 AMAQI
22nd Jul 20251410 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251412 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251612 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025172 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025184 AMAQI

18°C12/24°C

23rd Jul 2025185 AMAQI
23rd Jul 2025186 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252110 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025253 AMAQI
24th Jul 2025224 AMAQI

19°C15/24°C

24th Jul 2025235 AMAQI
24th Jul 2025236 AMAQI
24th Jul 2025207 AMAQI
24th Jul 2025208 AMAQI
24th Jul 2025219 AMAQI
24th Jul 20252010 AMAQI
24th Jul 20252111 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025237 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252512 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025232 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025214 AMAQI

18°C13/25°C

25th Jul 2025205 AMAQI
25th Jul 2025226 AMAQI
25th Jul 2025227 AMAQI
25th Jul 2025258 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025299 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025282 AMAQI
26th Jul 2025263 AMAQI
26th Jul 2025244 AMAQI

19°C15/26°C

26th Jul 2025265 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20254311 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025365 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025214 AMAQI

21°C17/27°C

27th Jul 2025225 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253711 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025524 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025477 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025344 AMAQI

20°C13/27°C

28th Jul 2025355 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025367 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025514 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025496 PMAQI
28th Jul 2025507 PMAQI
28th Jul 2025508 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254711 PMAQI
29th Jul 20254612 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025404 AMAQI

18°C15/24°C

29th Jul 2025395 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025459 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025324 AMAQI

18°C15/24°C

30th Jul 2025355 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025438 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254710 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025451 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025469 PMAQI
30th Jul 20254610 PMAQI
30th Jul 20254611 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025412 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025294 AMAQI

21°C17/27°C

31st Jul 2025315 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025377 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255910 AMAQI
31st Jul 20255911 AMAQI
31st Jul 20256112 PMAQI
31st Jul 2025641 PMAQI
31st Jul 2025642 PMAQI
31st Jul 2025663 PMAQI
31st Jul 2025634 PMAQI
31st Jul 2025645 PMAQI
31st Jul 2025646 PMAQI
31st Jul 2025687 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256312 AMAQI
1st Aug 2025641 AMAQI
1st Aug 2025622 AMAQI
1st Aug 2025643 AMAQI
1st Aug 2025634 AMAQI

20°C16/25°C

1st Aug 2025685 AMAQI
1st Aug 2025636 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20253512 PMAQI
1st Aug 2025331 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025393 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025281 AMAQI
2nd Aug 2025302 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025274 AMAQI

17°C14/19°C

2nd Aug 2025305 AMAQI
5 AM
2nd Aug 2025296 AMAQI
2nd Aug 2025267 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252012 PMAQI
12 PM
2nd Aug 2025191 PMAQI
2nd Aug 2025182 PMAQI
2nd Aug 2025183 PMAQI
2nd Aug 2025214 PMAQI
2nd Aug 2025255 PMAQI
2nd Aug 2025236 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

29AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

29AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 29), while the lowest AQI was between 5 AM to 8 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 2 AM

29AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 4 AM

27AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 29), while the lowest AQI was between 3 AM to 4 AM (Avg. 27).

2025 Days Vs Air Quality

Lake Major, Halifax, Nova Scotia, Canada

2025

99%

211

0.9%

2

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

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

Under WHO’s Safe Air Quality Limits: 99%

Health Risk Level:

Very Low

In 2025, 99% of 214 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

Lake Major, Halifax, Nova Scotia, Canada

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
24AQI
2nd January 2025
25AQI
3rd January 2025
20AQI
4th January 2025
17AQI
5th January 2025
20AQI
6th January 2025
18AQI
7th January 2025
19AQI
8th January 2025
17AQI
9th January 2025
17AQI
10th January 2025
19AQI
11th January 2025
19AQI
12th January 2025
20AQI
13th January 2025
24AQI
14th January 2025
26AQI
15th January 2025
21AQI
16th January 2025
20AQI
17th January 2025
29AQI
18th January 2025
25AQI
19th January 2025
22AQI
20th January 2025
18AQI
21st January 2025
21AQI
22nd January 2025
24AQI
23rd January 2025
23AQI
24th January 2025
23AQI
25th January 2025
23AQI
26th January 2025
24AQI
27th January 2025
19AQI
28th January 2025
26AQI
29th January 2025
21AQI
30th January 2025
18AQI
31st January 2025
24AQI
1st February 2025
18AQI
2nd February 2025
18AQI
3rd February 2025
20AQI
4th February 2025
18AQI
5th February 2025
19AQI
6th February 2025
23AQI
7th February 2025
20AQI
8th February 2025
20AQI
9th February 2025
21AQI
10th February 2025
24AQI
11th February 2025
24AQI
12th February 2025
21AQI
13th February 2025
22AQI
14th February 2025
19AQI
15th February 2025
19AQI
16th February 2025
20AQI
17th February 2025
19AQI
18th February 2025
18AQI
19th February 2025
18AQI
20th February 2025
21AQI
21st February 2025
20AQI
22nd February 2025
20AQI
23rd February 2025
22AQI
24th February 2025
28AQI
25th February 2025
31AQI
26th February 2025
24AQI
27th February 2025
23AQI
28th February 2025
21AQI
1st March 2025
23AQI
2nd March 2025
21AQI
3rd March 2025
21AQI
4th March 2025
24AQI
5th March 2025
31AQI
6th March 2025
21AQI
7th March 2025
19AQI
8th March 2025
22AQI
9th March 2025
21AQI
10th March 2025
20AQI
11th March 2025
21AQI
12th March 2025
23AQI
13th March 2025
18AQI
14th March 2025
22AQI
15th March 2025
22AQI
16th March 2025
18AQI
17th March 2025
22AQI
18th March 2025
20AQI
19th March 2025
20AQI
20th March 2025
16AQI
21st March 2025
14AQI
22nd March 2025
16AQI
23rd March 2025
23AQI
24th March 2025
17AQI
25th March 2025
21AQI
26th March 2025
25AQI
27th March 2025
17AQI
28th March 2025
17AQI
29th March 2025
15AQI
30th March 2025
17AQI
31st March 2025
18AQI
1st April 2025
18AQI
2nd April 2025
16AQI
3rd April 2025
17AQI
4th April 2025
16AQI
5th April 2025
15AQI
6th April 2025
16AQI
7th April 2025
14AQI
8th April 2025
14AQI
9th April 2025
14AQI
10th April 2025
18AQI
11th April 2025
23AQI
12th April 2025
25AQI
13th April 2025
29AQI
14th April 2025
24AQI
15th April 2025
19AQI
16th April 2025
22AQI
17th April 2025
25AQI
18th April 2025
26AQI
19th April 2025
26AQI
20th April 2025
26AQI
21st April 2025
14AQI
22nd April 2025
14AQI
23rd April 2025
12AQI
24th April 2025
13AQI
25th April 2025
16AQI
26th April 2025
22AQI
27th April 2025
14AQI
28th April 2025
16AQI
29th April 2025
22AQI
30th April 2025
28AQI
1st May 2025
13AQI
2nd May 2025
18AQI
3rd May 2025
19AQI
4th May 2025
21AQI
5th May 2025
14AQI
6th May 2025
18AQI
7th May 2025
18AQI
8th May 2025
15AQI
9th May 2025
18AQI
10th May 2025
14AQI
11th May 2025
14AQI
12th May 2025
15AQI
13th May 2025
15AQI
14th May 2025
17AQI
15th May 2025
21AQI
16th May 2025
22AQI
17th May 2025
21AQI
18th May 2025
13AQI
19th May 2025
19AQI
20th May 2025
14AQI
21st May 2025
18AQI
22nd May 2025
15AQI
23rd May 2025
14AQI
24th May 2025
15AQI
25th May 2025
14AQI
26th May 2025
14AQI
27th May 2025
17AQI
28th May 2025
22AQI
29th May 2025
21AQI
30th May 2025
17AQI
31st May 2025
18AQI
1st June 2025
30AQI
2nd June 2025
25AQI
3rd June 2025
19AQI
4th June 2025
21AQI
5th June 2025
24AQI
6th June 2025
34AQI
7th June 2025
30AQI
8th June 2025
37AQI
9th June 2025
35AQI
10th June 2025
30AQI
11th June 2025
28AQI
12th June 2025
52AQI
13th June 2025
35AQI
14th June 2025
20AQI
15th June 2025
21AQI
16th June 2025
21AQI
17th June 2025
21AQI
18th June 2025
17AQI
19th June 2025
20AQI
20th June 2025
20AQI
21st June 2025
14AQI
22nd June 2025
15AQI
23rd June 2025
37AQI
24th June 2025
38AQI
25th June 2025
49AQI
26th June 2025
23AQI
27th June 2025
18AQI
28th June 2025
20AQI
29th June 2025
20AQI
30th June 2025
18AQI
1st July 2025
27AQI
2nd July 2025
22AQI
3rd July 2025
29AQI
4th July 2025
28AQI
5th July 2025
24AQI
6th July 2025
30AQI
7th July 2025
46AQI
8th July 2025
23AQI
9th July 2025
22AQI
10th July 2025
24AQI
11th July 2025
22AQI
12th July 2025
25AQI
13th July 2025
23AQI
14th July 2025
19AQI
15th July 2025
20AQI
16th July 2025
44AQI
17th July 2025
24AQI
18th July 2025
17AQI
19th July 2025
19AQI
20th July 2025
22AQI
21st July 2025
20AQI
22nd July 2025
15AQI
23rd July 2025
20AQI
24th July 2025
23AQI
25th July 2025
26AQI
26th July 2025
35AQI
27th July 2025
37AQI
28th July 2025
44AQI
29th July 2025
42AQI
30th July 2025
43AQI
31st July 2025
53AQI
1st August 2025
50AQI

21AQI

21AQI

20AQI

19AQI

17AQI

26AQI

28AQI

50AQI

No. of days

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

202522AQI

31
28
31
30
31
29
1
30
1
1
211
2

Highest AQI recorded in

August

50AQI

Lowest AQI recorded in

May

17AQI

202418AQI

31
29
31
30
31
29
31
31
30
31
30
31
365

Highest AQI recorded in

August

23AQI

Lowest AQI recorded in

November

13AQI

202322AQI

31
28
31
30
29
2
26
4
31
30
1
29
1
31
29
30
1
355
9

Highest AQI recorded in

June

27AQI

Lowest AQI recorded in

November

18AQI

202220AQI

31
21
31
30
30
30
22
1
1
28
31
30
31
316
1

Highest AQI recorded in

July

26AQI

Lowest AQI recorded in

May

18AQI

202121AQI

30
28
31
30
31
28
2
30
1
31
30
31
30
31
361
3

Highest AQI recorded in

August

27AQI

Lowest AQI recorded in

January

17AQI

202020AQI

13
21
18
30
30
1
30
30
31
30
30
1
263
2

Highest AQI recorded in

July

25AQI

Lowest AQI recorded in

September

17AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
22AQI
Least Polluted Year Recorded
2024(Avg.)
18AQI

Lake Major's annual 2025 AQI (22) shows an average percentage change of 9.3% (worsened AQI) compared to previous years: 2020 (20), 2021 (21), 2022 (20), 2023 (22), 2024 (18).