Halifax Johnston, 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+
November Air Quality Analysis
Halifax Johnston, Halifax, Nova Scotia, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Nov 2021
44AQILowest AQI recorded on
2nd Nov 2024
4AQISame Day Analysis (27th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Nov - 28th Nov 2025
Halifax Johnston, Halifax, Nova Scotia, Canada
AQI
Day
Night
.
7 AM27th Nov 2025
4 PM
6 AM28th Nov 2025
Day time
Avg. Highest Time
3PM27th Nov
31AQI
Avg. Lowest Time
8AM27th Nov
9AQI
Night time
Avg. Highest Time
5PM27th Nov
28AQI
Avg. Lowest Time
7PM27th Nov
15AQI
In the last 24 hours,
Halifax Johnston's AQI reached its highest point of 31 at 3 PM during the Day, while the lowest point, 9, was recorded at 8 AM during the Day between 27th Nov and 28th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Halifax Johnston, Halifax, Nova Scotia, Canada
OctNov
29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 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
Day
Night
29th Oct 2025117 AMAQI
29th Oct 2025118 AMAQI
29th Oct 2025159 AMAQI
29th Oct 20251710 AMAQI
29th Oct 20251711 AMAQI
29th Oct 20251712 PMAQI
29th Oct 2025171 PMAQI
29th Oct 2025202 PMAQI
29th Oct 2025263 PMAQI
29th Oct 2025244 PMAQI
29th Oct 2025225 PMAQI
29th Oct 2025186 PMAQI
29th Oct 2025177 PMAQI
29th Oct 2025178 PMAQI
29th Oct 2025179 PMAQI
29th Oct 20251710 PMAQI
29th Oct 20251711 PMAQI
30th Oct 20251712 AMAQI
30th Oct 2025171 AMAQI
30th Oct 2025172 AMAQI
30th Oct 2025173 AMAQI
30th Oct 2025174 AMAQI
30th Oct 2025175 AMAQI
30th Oct 2025176 AMAQI
8°C5/12°C
30th Oct 2025177 AMAQI
30th Oct 2025178 AMAQI
30th Oct 2025179 AMAQI
30th Oct 20252010 AMAQI
30th Oct 20253011 AMAQI
30th Oct 20253012 PMAQI
30th Oct 2025281 PMAQI
30th Oct 2025242 PMAQI
30th Oct 2025263 PMAQI
30th Oct 2025324 PMAQI
30th Oct 2025305 PMAQI
30th Oct 2025286 PMAQI
30th Oct 2025307 PMAQI
30th Oct 2025338 PMAQI
30th Oct 2025389 PMAQI
30th Oct 20254410 PMAQI
30th Oct 20254411 PMAQI
31st Oct 20254012 AMAQI
31st Oct 2025391 AMAQI
31st Oct 2025392 AMAQI
31st Oct 2025393 AMAQI
31st Oct 2025424 AMAQI
31st Oct 2025445 AMAQI
31st Oct 2025446 AMAQI
12°C9/14°C
31st Oct 2025447 AMAQI
31st Oct 2025448 AMAQI
31st Oct 2025489 AMAQI
31st Oct 20255010 AMAQI
31st Oct 20255011 AMAQI
31st Oct 20255012 PMAQI
31st Oct 2025461 PMAQI
31st Oct 2025402 PMAQI
31st Oct 2025353 PMAQI
31st Oct 2025374 PMAQI
31st Oct 2025275 PMAQI
31st Oct 2025226 PMAQI
31st Oct 2025227 PMAQI
31st Oct 2025308 PMAQI
31st Oct 2025459 PMAQI
31st Oct 20254610 PMAQI
31st Oct 20254011 PMAQI
1st Nov 20253912 AMAQI
1st Nov 2025351 AMAQI
1st Nov 2025332 AMAQI
1st Nov 2025303 AMAQI
1st Nov 2025204 AMAQI
1st Nov 2025205 AMAQI
1st Nov 2025266 AMAQI
15°C12/17°C
1st Nov 2025287 AMAQI
1st Nov 2025248 AMAQI
1st Nov 2025229 AMAQI
1st Nov 20252210 AMAQI
1st Nov 20252211 AMAQI
1st Nov 20252212 PMAQI
1st Nov 2025181 PMAQI
1st Nov 2025172 PMAQI
1st Nov 2025133 PMAQI
1st Nov 2025114 PMAQI
1st Nov 2025115 PMAQI
1st Nov 2025116 PMAQI
1st Nov 2025117 PMAQI
1st Nov 2025158 PMAQI
1st Nov 2025179 PMAQI
1st Nov 20251710 PMAQI
1st Nov 20251711 PMAQI
2nd Nov 20251712 AMAQI
2nd Nov 2025121 AMAQI
2nd Nov 2025112 AMAQI
2nd Nov 2025113 AMAQI
2nd Nov 2025114 AMAQI
2nd Nov 2025115 AMAQI
2nd Nov 2025116 AMAQI
10°C7/12°C
2nd Nov 2025117 AMAQI
2nd Nov 2025118 AMAQI
2nd Nov 2025119 AMAQI
2nd Nov 20251110 AMAQI
2nd Nov 20251111 AMAQI
2nd Nov 20251112 PMAQI
2nd Nov 2025111 PMAQI
2nd Nov 2025112 PMAQI
2nd Nov 2025113 PMAQI
2nd Nov 2025114 PMAQI
2nd Nov 2025115 PMAQI
2nd Nov 2025116 PMAQI
2nd Nov 2025117 PMAQI
2nd Nov 2025158 PMAQI
2nd Nov 2025179 PMAQI
2nd Nov 20252010 PMAQI
2nd Nov 20252211 PMAQI
3rd Nov 20251812 AMAQI
3rd Nov 2025171 AMAQI
3rd Nov 2025172 AMAQI
3rd Nov 2025173 AMAQI
3rd Nov 2025174 AMAQI
3rd Nov 2025175 AMAQI
3rd Nov 2025176 AMAQI
7°C4/11°C
3rd Nov 2025177 AMAQI
3rd Nov 2025178 AMAQI
3rd Nov 2025179 AMAQI
3rd Nov 20251710 AMAQI
3rd Nov 20252011 AMAQI
3rd Nov 20251812 PMAQI
3rd Nov 2025201 PMAQI
3rd Nov 2025222 PMAQI
3rd Nov 2025223 PMAQI
3rd Nov 2025224 PMAQI
3rd Nov 2025225 PMAQI
3rd Nov 2025226 PMAQI
3rd Nov 2025227 PMAQI
3rd Nov 2025228 PMAQI
3rd Nov 2025229 PMAQI
3rd Nov 20252210 PMAQI
3rd Nov 20252211 PMAQI
4th Nov 20251812 AMAQI
4th Nov 2025171 AMAQI
4th Nov 2025172 AMAQI
4th Nov 2025133 AMAQI
4th Nov 2025114 AMAQI
4th Nov 2025115 AMAQI
4th Nov 2025116 AMAQI
6°C1/11°C
4th Nov 2025117 AMAQI
4th Nov 2025118 AMAQI
4th Nov 2025119 AMAQI
4th Nov 20251110 AMAQI
4th Nov 20251111 AMAQI
4th Nov 20251112 PMAQI
4th Nov 2025111 PMAQI
4th Nov 2025182 PMAQI
4th Nov 2025223 PMAQI
4th Nov 2025184 PMAQI
4th Nov 2025135 PMAQI
4th Nov 2025106 PMAQI
4th Nov 2025117 PMAQI
4th Nov 2025118 PMAQI
4th Nov 2025159 PMAQI
4th Nov 20251710 PMAQI
4th Nov 20251311 PMAQI
5th Nov 20251112 AMAQI
5th Nov 2025111 AMAQI
5th Nov 2025152 AMAQI
5th Nov 2025133 AMAQI
5th Nov 2025114 AMAQI
5th Nov 2025115 AMAQI
5th Nov 2025116 AMAQI
7°C4/9°C
5th Nov 2025117 AMAQI
5th Nov 2025118 AMAQI
5th Nov 2025119 AMAQI
5th Nov 20251110 AMAQI
5th Nov 20251511 AMAQI
5th Nov 20251412 PMAQI
5th Nov 2025111 PMAQI
5th Nov 2025152 PMAQI
5th Nov 2025173 PMAQI
5th Nov 2025174 PMAQI
5th Nov 2025135 PMAQI
5th Nov 2025116 PMAQI
5th Nov 2025117 PMAQI
5th Nov 2025158 PMAQI
5th Nov 2025209 PMAQI
5th Nov 20252610 PMAQI
5th Nov 20252411 PMAQI
6th Nov 20251812 AMAQI
6th Nov 2025121 AMAQI
6th Nov 2025112 AMAQI
6th Nov 2025113 AMAQI
6th Nov 2025114 AMAQI
6th Nov 2025115 AMAQI
6th Nov 2025116 AMAQI
6°C3/10°C
6th Nov 2025117 AMAQI
6th Nov 2025118 AMAQI
6th Nov 2025119 AMAQI
6th Nov 20251110 AMAQI
6th Nov 20251111 AMAQI
6th Nov 20251112 PMAQI
6th Nov 2025151 PMAQI
6th Nov 2025172 PMAQI
6th Nov 2025133 PMAQI
6th Nov 2025114 PMAQI
6th Nov 2025155 PMAQI
6th Nov 2025176 PMAQI
6th Nov 2025137 PMAQI
6th Nov 2025158 PMAQI
6th Nov 2025179 PMAQI
6th Nov 20251710 PMAQI
6th Nov 20251311 PMAQI
7th Nov 20251112 AMAQI
7th Nov 2025111 AMAQI
7th Nov 2025112 AMAQI
7th Nov 2025113 AMAQI
7th Nov 2025114 AMAQI
7th Nov 2025115 AMAQI
7th Nov 2025116 AMAQI
5°C2/9°C
7th Nov 2025157 AMAQI
7th Nov 2025138 AMAQI
7th Nov 2025119 AMAQI
7th Nov 20251110 AMAQI
7th Nov 20251511 AMAQI
7th Nov 20251712 PMAQI
7th Nov 2025171 PMAQI
7th Nov 2025172 PMAQI
7th Nov 2025173 PMAQI
7th Nov 2025174 PMAQI
7th Nov 2025175 PMAQI
7th Nov 2025176 PMAQI
7th Nov 2025207 PMAQI
7th Nov 2025228 PMAQI
7th Nov 2025309 PMAQI
7th Nov 20253310 PMAQI
7th Nov 20253011 PMAQI
8th Nov 20252812 AMAQI
8th Nov 2025231 AMAQI
8th Nov 2025222 AMAQI
8th Nov 2025223 AMAQI
8th Nov 2025224 AMAQI
8th Nov 2025225 AMAQI
8th Nov 2025186 AMAQI
4°C1/8°C
8th Nov 2025207 AMAQI
8th Nov 2025228 AMAQI
8th Nov 2025229 AMAQI
8th Nov 20252210 AMAQI
8th Nov 20253011 AMAQI
8th Nov 20253312 PMAQI
8th Nov 2025331 PMAQI
8th Nov 2025302 PMAQI
8th Nov 2025243 PMAQI
8th Nov 2025264 PMAQI
8th Nov 2025325 PMAQI
8th Nov 2025226 PMAQI
8th Nov 2025257 PMAQI
8th Nov 2025398 PMAQI
8th Nov 2025339 PMAQI
8th Nov 20253210 PMAQI
8th Nov 20253311 PMAQI
9th Nov 20253312 AMAQI
9th Nov 2025381 AMAQI
9th Nov 2025312 AMAQI
9th Nov 2025283 AMAQI
9th Nov 2025204 AMAQI
9th Nov 2025175 AMAQI
9th Nov 2025176 AMAQI
9°C3/14°C
9th Nov 2025177 AMAQI
9th Nov 2025178 AMAQI
9th Nov 2025179 AMAQI
9th Nov 20251710 AMAQI
9th Nov 20251711 AMAQI
9th Nov 20251712 PMAQI
9th Nov 2025171 PMAQI
9th Nov 2025172 PMAQI
9th Nov 2025173 PMAQI
9th Nov 2025174 PMAQI
9th Nov 2025175 PMAQI
9th Nov 2025186 PMAQI
9th Nov 2025187 PMAQI
9th Nov 2025208 PMAQI
9th Nov 2025279 PMAQI
9th Nov 20253610 PMAQI
9th Nov 20253411 PMAQI
10th Nov 20252812 AMAQI
10th Nov 2025191 AMAQI
10th Nov 2025202 AMAQI
10th Nov 2025223 AMAQI
10th Nov 2025184 AMAQI
10th Nov 2025205 AMAQI
10th Nov 2025226 AMAQI
7°C3/10°C
10th Nov 2025267 AMAQI
10th Nov 2025368 AMAQI
10th Nov 2025399 AMAQI
10th Nov 20253910 AMAQI
10th Nov 20254211 AMAQI
10th Nov 20254412 PMAQI
10th Nov 2025481 PMAQI
10th Nov 2025502 PMAQI
10th Nov 2025463 PMAQI
10th Nov 2025404 PMAQI
10th Nov 2025425 PMAQI
10th Nov 2025486 PMAQI
10th Nov 2025357 PMAQI
10th Nov 2025328 PMAQI
10th Nov 2025339 PMAQI
10th Nov 20252510 PMAQI
10th Nov 20251811 PMAQI
11th Nov 20251712 AMAQI
11th Nov 2025261 AMAQI
11th Nov 2025392 AMAQI
11th Nov 2025253 AMAQI
11th Nov 2025174 AMAQI
11th Nov 2025175 AMAQI
11th Nov 2025176 AMAQI
10°C4/14°C
11th Nov 2025257 AMAQI
11th Nov 2025248 AMAQI
11th Nov 2025189 AMAQI
11th Nov 20252010 AMAQI
11th Nov 20253011 AMAQI
11th Nov 20253712 PMAQI
11th Nov 2025351 PMAQI
11th Nov 2025332 PMAQI
11th Nov 2025373 PMAQI
11th Nov 2025354 PMAQI
11th Nov 2025305 PMAQI
11th Nov 2025326 PMAQI
11th Nov 2025337 PMAQI
11th Nov 2025258 PMAQI
11th Nov 2025149 PMAQI
11th Nov 20251110 PMAQI
11th Nov 20251511 PMAQI
12th Nov 20251712 AMAQI
12th Nov 2025171 AMAQI
12th Nov 2025172 AMAQI
12th Nov 2025133 AMAQI
12th Nov 2025154 AMAQI
12th Nov 2025175 AMAQI
12th Nov 2025176 AMAQI
12°C4/16°C
12th Nov 2025177 AMAQI
12th Nov 2025138 AMAQI
12th Nov 2025119 AMAQI
12th Nov 20251110 AMAQI
12th Nov 20251111 AMAQI
12th Nov 20251112 PMAQI
12th Nov 2025111 PMAQI
12th Nov 2025112 PMAQI
12th Nov 2025153 PMAQI
12th Nov 2025174 PMAQI
12th Nov 2025175 PMAQI
12th Nov 2025176 PMAQI
12th Nov 2025177 PMAQI
12th Nov 2025208 PMAQI
12th Nov 2025229 PMAQI
12th Nov 20252610 PMAQI
12th Nov 20253211 PMAQI
13th Nov 20253012 AMAQI
13th Nov 2025281 AMAQI
13th Nov 2025242 AMAQI
13th Nov 2025263 AMAQI
13th Nov 2025244 AMAQI
13th Nov 2025225 AMAQI
13th Nov 2025226 AMAQI
3°C1/9°C
13th Nov 2025187 AMAQI
13th Nov 2025178 AMAQI
13th Nov 2025179 AMAQI
13th Nov 20252010 AMAQI
13th Nov 20252611 AMAQI
13th Nov 20252812 PMAQI
13th Nov 2025351 PMAQI
13th Nov 2025252 PMAQI
13th Nov 2025183 PMAQI
13th Nov 2025134 PMAQI
13th Nov 2025155 PMAQI
13th Nov 2025176 PMAQI
13th Nov 2025137 PMAQI
13th Nov 2025158 PMAQI
13th Nov 2025139 PMAQI
13th Nov 20251110 PMAQI
13th Nov 20251111 PMAQI
14th Nov 20251112 AMAQI
14th Nov 2025161 AMAQI
14th Nov 2025172 AMAQI
14th Nov 2025133 AMAQI
14th Nov 2025114 AMAQI
14th Nov 2025115 AMAQI
14th Nov 2025116 AMAQI
4°C3/6°C
14th Nov 202597 AMAQI
14th Nov 2025118 AMAQI
14th Nov 2025119 AMAQI
14th Nov 20251510 AMAQI
14th Nov 20252011 AMAQI
14th Nov 20252612 PMAQI
14th Nov 2025241 PMAQI
14th Nov 2025142 PMAQI
14th Nov 2025113 PMAQI
14th Nov 2025154 PMAQI
14th Nov 2025175 PMAQI
14th Nov 2025176 PMAQI
14th Nov 2025177 PMAQI
14th Nov 2025178 PMAQI
14th Nov 2025179 PMAQI
14th Nov 20251710 PMAQI
14th Nov 20251711 PMAQI
15th Nov 20251712 AMAQI
15th Nov 2025171 AMAQI
15th Nov 2025172 AMAQI
15th Nov 2025173 AMAQI
15th Nov 2025174 AMAQI
15th Nov 2025175 AMAQI
15th Nov 2025176 AMAQI
3°C1/6°C
15th Nov 2025177 AMAQI
15th Nov 2025178 AMAQI
15th Nov 2025179 AMAQI
15th Nov 20251710 AMAQI
15th Nov 20251711 AMAQI
15th Nov 20251712 PMAQI
15th Nov 2025131 PMAQI
15th Nov 2025112 PMAQI
15th Nov 2025113 PMAQI
15th Nov 2025114 PMAQI
15th Nov 2025195 PMAQI
15th Nov 2025186 PMAQI
15th Nov 2025177 PMAQI
15th Nov 2025258 PMAQI
15th Nov 2025289 PMAQI
15th Nov 20252810 PMAQI
15th Nov 20253211 PMAQI
16th Nov 20253312 AMAQI
16th Nov 2025231 AMAQI
16th Nov 2025222 AMAQI
16th Nov 2025263 AMAQI
16th Nov 2025244 AMAQI
16th Nov 2025225 AMAQI
16th Nov 2025186 AMAQI
1°C0/2°C
16th Nov 2025177 AMAQI
16th Nov 2025178 AMAQI
16th Nov 2025179 AMAQI
16th Nov 20251710 AMAQI
16th Nov 20251711 AMAQI
16th Nov 20252012 PMAQI
16th Nov 2025251 PMAQI
16th Nov 2025322 PMAQI
16th Nov 2025333 PMAQI
16th Nov 2025334 PMAQI
16th Nov 2025305 PMAQI
16th Nov 2025366 PMAQI
16th Nov 2025477 PMAQI
16th Nov 2025358 PMAQI
16th Nov 2025249 PMAQI
16th Nov 20252610 PMAQI
16th Nov 20252811 PMAQI
17th Nov 20252412 AMAQI
17th Nov 2025181 AMAQI
17th Nov 2025172 AMAQI
17th Nov 2025133 AMAQI
17th Nov 2025114 AMAQI
17th Nov 2025115 AMAQI
17th Nov 2025156 AMAQI
5°C0/10°C
17th Nov 2025177 AMAQI
17th Nov 2025208 AMAQI
17th Nov 2025189 AMAQI
17th Nov 20251710 AMAQI
17th Nov 20251711 AMAQI
17th Nov 20251712 PMAQI
17th Nov 2025171 PMAQI
17th Nov 2025172 PMAQI
17th Nov 2025173 PMAQI
17th Nov 2025174 PMAQI
17th Nov 2025135 PMAQI
17th Nov 2025116 PMAQI
17th Nov 2025117 PMAQI
17th Nov 2025118 PMAQI
17th Nov 2025119 PMAQI
17th Nov 20251110 PMAQI
17th Nov 20251111 PMAQI
18th Nov 20251112 AMAQI
18th Nov 2025111 AMAQI
18th Nov 2025112 AMAQI
18th Nov 2025113 AMAQI
18th Nov 2025154 AMAQI
18th Nov 2025135 AMAQI
18th Nov 2025116 AMAQI
3°C2/5°C
18th Nov 2025117 AMAQI
18th Nov 2025118 AMAQI
18th Nov 2025119 AMAQI
18th Nov 20251610 AMAQI
18th Nov 20251211 AMAQI
18th Nov 20251112 PMAQI
18th Nov 2025111 PMAQI
18th Nov 2025112 PMAQI
18th Nov 2025153 PMAQI
18th Nov 2025174 PMAQI
18th Nov 2025175 PMAQI
18th Nov 2025136 PMAQI
18th Nov 2025157 PMAQI
18th Nov 2025178 PMAQI
18th Nov 2025179 PMAQI
18th Nov 20251710 PMAQI
18th Nov 20251711 PMAQI
19th Nov 20251712 AMAQI
19th Nov 2025171 AMAQI
19th Nov 2025172 AMAQI
19th Nov 2025173 AMAQI
19th Nov 2025174 AMAQI
19th Nov 2025175 AMAQI
19th Nov 2025176 AMAQI
2°C1/6°C
19th Nov 2025177 AMAQI
19th Nov 2025178 AMAQI
19th Nov 2025179 AMAQI
19th Nov 20252010 AMAQI
19th Nov 20252211 AMAQI
19th Nov 20252212 PMAQI
19th Nov 2025181 PMAQI
19th Nov 2025172 PMAQI
19th Nov 2025173 PMAQI
19th Nov 2025174 PMAQI
19th Nov 2025175 PMAQI
19th Nov 2025176 PMAQI
19th Nov 2025177 PMAQI
19th Nov 2025208 PMAQI
19th Nov 2025269 PMAQI
19th Nov 20252810 PMAQI
19th Nov 20252811 PMAQI
20th Nov 20252412 AMAQI
20th Nov 2025181 AMAQI
20th Nov 2025172 AMAQI
20th Nov 2025173 AMAQI
20th Nov 2025174 AMAQI
20th Nov 2025175 AMAQI
20th Nov 2025176 AMAQI
3°C0/8°C
20th Nov 2025177 AMAQI
20th Nov 2025208 AMAQI
20th Nov 2025229 AMAQI
20th Nov 20252210 AMAQI
20th Nov 20252811 AMAQI
20th Nov 20252812 PMAQI
20th Nov 2025281 PMAQI
20th Nov 2025282 PMAQI
20th Nov 2025283 PMAQI
20th Nov 2025284 PMAQI
20th Nov 2025205 PMAQI
20th Nov 2025206 PMAQI
20th Nov 2025227 PMAQI
20th Nov 2025228 PMAQI
20th Nov 2025229 PMAQI
20th Nov 20253310 PMAQI
20th Nov 20253911 PMAQI
21st Nov 20254212 AMAQI
21st Nov 2025351 AMAQI
21st Nov 2025332 AMAQI
21st Nov 2025303 AMAQI
21st Nov 2025354 AMAQI
21st Nov 2025355 AMAQI
21st Nov 2025336 AMAQI
3°C0/9°C
21st Nov 2025377 AMAQI
21st Nov 2025398 AMAQI
21st Nov 2025359 AMAQI
21st Nov 20253710 AMAQI
21st Nov 20254211 AMAQI
21st Nov 20254812 PMAQI
21st Nov 2025381 PMAQI
21st Nov 2025252 PMAQI
21st Nov 2025223 PMAQI
21st Nov 2025224 PMAQI
21st Nov 2025225 PMAQI
21st Nov 2025266 PMAQI
21st Nov 2025287 PMAQI
21st Nov 2025328 PMAQI
21st Nov 2025379 PMAQI
21st Nov 20254910 PMAQI
21st Nov 20255311 PMAQI
22nd Nov 20255112 AMAQI
22nd Nov 2025451 AMAQI
22nd Nov 2025402 AMAQI
22nd Nov 2025313 AMAQI
22nd Nov 2025244 AMAQI
22nd Nov 2025225 AMAQI
22nd Nov 2025186 AMAQI
3°C0/7°C
22nd Nov 2025177 AMAQI
22nd Nov 2025208 AMAQI
22nd Nov 2025229 AMAQI
22nd Nov 20252610 AMAQI
22nd Nov 20252811 AMAQI
22nd Nov 20253212 PMAQI
22nd Nov 2025331 PMAQI
22nd Nov 2025372 PMAQI
22nd Nov 2025393 PMAQI
22nd Nov 2025394 PMAQI
22nd Nov 2025395 PMAQI
22nd Nov 2025426 PMAQI
22nd Nov 2025447 PMAQI
22nd Nov 2025478 PMAQI
22nd Nov 2025509 PMAQI
22nd Nov 20255210 PMAQI
22nd Nov 20252811 PMAQI
23rd Nov 20252512 AMAQI
23rd Nov 2025231 AMAQI
23rd Nov 2025222 AMAQI
23rd Nov 2025183 AMAQI
23rd Nov 2025174 AMAQI
23rd Nov 2025175 AMAQI
23rd Nov 2025176 AMAQI
5°C1/9°C
23rd Nov 2025177 AMAQI
23rd Nov 2025178 AMAQI
23rd Nov 2025179 AMAQI
23rd Nov 20251710 AMAQI
23rd Nov 20251711 AMAQI
23rd Nov 20251712 PMAQI
23rd Nov 2025171 PMAQI
23rd Nov 2025172 PMAQI
23rd Nov 2025173 PMAQI
23rd Nov 2025174 PMAQI
23rd Nov 2025175 PMAQI
23rd Nov 2025176 PMAQI
23rd Nov 2025177 PMAQI
23rd Nov 2025208 PMAQI
23rd Nov 2025349 PMAQI
23rd Nov 20253510 PMAQI
23rd Nov 20253011 PMAQI
24th Nov 20252812 AMAQI
24th Nov 2025281 AMAQI
24th Nov 2025252 AMAQI
24th Nov 2025223 AMAQI
24th Nov 2025224 AMAQI
24th Nov 2025225 AMAQI
24th Nov 2025266 AMAQI
2°C0/7°C
24th Nov 2025287 AMAQI
24th Nov 2025288 AMAQI
24th Nov 2025329 AMAQI
24th Nov 20253010 AMAQI
24th Nov 20252411 AMAQI
24th Nov 20252212 PMAQI
24th Nov 2025221 PMAQI
24th Nov 2025222 PMAQI
24th Nov 2025183 PMAQI
24th Nov 2025204 PMAQI
24th Nov 2025265 PMAQI
24th Nov 2025326 PMAQI
24th Nov 2025307 PMAQI
24th Nov 2025248 PMAQI
24th Nov 2025269 PMAQI
24th Nov 20252810 PMAQI
24th Nov 20252411 PMAQI
25th Nov 20252212 AMAQI
25th Nov 2025221 AMAQI
25th Nov 2025252 AMAQI
25th Nov 2025283 AMAQI
25th Nov 2025324 AMAQI
25th Nov 2025305 AMAQI
25th Nov 2025286 AMAQI
2°C0/3°C
25th Nov 2025287 AMAQI
25th Nov 2025288 AMAQI
25th Nov 2025249 AMAQI
25th Nov 20252210 AMAQI
25th Nov 20252211 AMAQI
25th Nov 20252212 PMAQI
25th Nov 2025221 PMAQI
25th Nov 2025262 PMAQI
25th Nov 2025283 PMAQI
25th Nov 2025284 PMAQI
25th Nov 2025285 PMAQI
25th Nov 2025286 PMAQI
25th Nov 2025247 PMAQI
25th Nov 2025268 PMAQI
25th Nov 2025289 PMAQI
25th Nov 20252810 PMAQI
25th Nov 20253111 PMAQI
26th Nov 20253012 AMAQI
26th Nov 2025281 AMAQI
26th Nov 2025282 AMAQI
26th Nov 2025283 AMAQI
26th Nov 2025284 AMAQI
26th Nov 2025245 AMAQI
26th Nov 2025226 AMAQI
3°C-1/8°C
26th Nov 2025267 AMAQI
26th Nov 2025288 AMAQI
26th Nov 2025249 AMAQI
26th Nov 20252610 AMAQI
26th Nov 20252811 AMAQI
26th Nov 20253212 PMAQI
26th Nov 2025571 PMAQI
26th Nov 2025642 PMAQI
26th Nov 2025463 PMAQI
26th Nov 2025784 PMAQI
26th Nov 2025625 PMAQI
26th Nov 2025266 PMAQI
26th Nov 2025257 PMAQI
26th Nov 2025328 PMAQI
26th Nov 2025339 PMAQI
26th Nov 20253010 PMAQI
26th Nov 20252811 PMAQI
27th Nov 20252412 AMAQI
27th Nov 2025221 AMAQI
27th Nov 2025222 AMAQI
27th Nov 2025263 AMAQI
27th Nov 2025244 AMAQI
27th Nov 2025155 AMAQI
27th Nov 2025156 AMAQI
8°C3/12°C
27th Nov 2025117 AMAQI
27th Nov 202598 AMAQI
27th Nov 2025119 AMAQI
27th Nov 20251110 AMAQI
27th Nov 20251511 AMAQI
27th Nov 20251312 PMAQI
27th Nov 2025151 PMAQI
27th Nov 2025252 PMAQI
27th Nov 2025313 PMAQI
27th Nov 2025304 PMAQI
27th Nov 2025285 PMAQI
27th Nov 2025166 PMAQI
27th Nov 2025157 PMAQI
27th Nov 2025208 PMAQI
27th Nov 2025229 PMAQI
27th Nov 20252210 PMAQI
27th Nov 20252211 PMAQI
28th Nov 20252212 AMAQI
28th Nov 2025221 AMAQI
28th Nov 2025182 AMAQI
28th Nov 2025203 AMAQI
28th Nov 2025224 AMAQI
28th Nov 2025225 AMAQI
28th Nov 2025226 AMAQI
10°C4/14°C
28th Nov 2025227 AMAQI
7 AM28th Nov 2025188 AMAQI
28th Nov 2025189 AMAQI
28th Nov 20252010 AMAQI
28th Nov 20252111 AMAQI
11 AM28th Nov 20252712 PMAQI
28th Nov 2025261 PMAQI
28th Nov 2025192 PMAQI
28th Nov 2025213 PMAQI
28th Nov 2025224 PMAQI
4 PM28th Nov 2025185 PMAQI
28th Nov 2025176 PMAQI
28th Nov 2025177 PMAQI
11 PM
6 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 2 PM
24AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 9 AM
19AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 24), while the lowest AQI was between 7 AM to 9 AM (Avg. 19).
Night time
Avg. Highest Time
10 PM
27AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
18AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 27), while the lowest AQI was between 6 AM to 6 AM (Avg. 18).
2025 Days Vs Air Quality
Halifax Johnston, Halifax, Nova Scotia, Canada
2025
99%
327
1%
4
Total number of days with different AQI categories in last 332 days in 2025 (33 days remaining)
Good
327 DaysModerate
4 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 332 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
Halifax Johnston, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
29AQI
29AQI
2nd January 2025
23AQI
23AQI
3rd January 2025
19AQI
19AQI
4th January 2025
18AQI
18AQI
5th January 2025
20AQI
20AQI
6th January 2025
18AQI
18AQI
7th January 2025
19AQI
19AQI
8th January 2025
18AQI
18AQI
9th January 2025
18AQI
18AQI
10th January 2025
19AQI
19AQI
11th January 2025
21AQI
21AQI
12th January 2025
20AQI
20AQI
13th January 2025
24AQI
24AQI
14th January 2025
26AQI
26AQI
15th January 2025
20AQI
20AQI
16th January 2025
22AQI
22AQI
17th January 2025
31AQI
31AQI
18th January 2025
26AQI
26AQI
19th January 2025
24AQI
24AQI
20th January 2025
20AQI
20AQI
21st January 2025
22AQI
22AQI
22nd January 2025
24AQI
24AQI
23rd January 2025
25AQI
25AQI
24th January 2025
27AQI
27AQI
25th January 2025
26AQI
26AQI
26th January 2025
28AQI
28AQI
27th January 2025
22AQI
22AQI
28th January 2025
29AQI
29AQI
29th January 2025
23AQI
23AQI
30th January 2025
18AQI
18AQI
31st January 2025
26AQI
26AQI
1st February 2025
17AQI
17AQI
2nd February 2025
19AQI
19AQI
3rd February 2025
21AQI
21AQI
4th February 2025
19AQI
19AQI
5th February 2025
21AQI
21AQI
6th February 2025
24AQI
24AQI
7th February 2025
21AQI
21AQI
8th February 2025
22AQI
22AQI
9th February 2025
22AQI
22AQI
10th February 2025
25AQI
25AQI
11th February 2025
24AQI
24AQI
12th February 2025
23AQI
23AQI
13th February 2025
24AQI
24AQI
14th February 2025
19AQI
19AQI
15th February 2025
19AQI
19AQI
16th February 2025
26AQI
26AQI
17th February 2025
19AQI
19AQI
18th February 2025
18AQI
18AQI
19th February 2025
19AQI
19AQI
20th February 2025
23AQI
23AQI
21st February 2025
20AQI
20AQI
22nd February 2025
21AQI
21AQI
23rd February 2025
24AQI
24AQI
24th February 2025
29AQI
29AQI
25th February 2025
32AQI
32AQI
26th February 2025
27AQI
27AQI
27th February 2025
24AQI
24AQI
28th February 2025
21AQI
21AQI
1st March 2025
25AQI
25AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
21AQI
21AQI
4th March 2025
25AQI
25AQI
5th March 2025
36AQI
36AQI
6th March 2025
22AQI
22AQI
7th March 2025
18AQI
18AQI
8th March 2025
21AQI
21AQI
9th March 2025
19AQI
19AQI
10th March 2025
20AQI
20AQI
11th March 2025
22AQI
22AQI
12th March 2025
22AQI
22AQI
13th March 2025
19AQI
19AQI
14th March 2025
23AQI
23AQI
15th March 2025
25AQI
25AQI
16th March 2025
19AQI
19AQI
17th March 2025
23AQI
23AQI
18th March 2025
20AQI
20AQI
19th March 2025
19AQI
19AQI
20th March 2025
17AQI
17AQI
21st March 2025
15AQI
15AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
27AQI
27AQI
24th March 2025
18AQI
18AQI
25th March 2025
23AQI
23AQI
26th March 2025
28AQI
28AQI
27th March 2025
17AQI
17AQI
28th March 2025
19AQI
19AQI
29th March 2025
16AQI
16AQI
30th March 2025
21AQI
21AQI
31st March 2025
18AQI
18AQI
1st April 2025
18AQI
18AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
19AQI
19AQI
4th April 2025
18AQI
18AQI
5th April 2025
17AQI
17AQI
6th April 2025
18AQI
18AQI
7th April 2025
17AQI
17AQI
8th April 2025
16AQI
16AQI
9th April 2025
18AQI
18AQI
10th April 2025
19AQI
19AQI
11th April 2025
28AQI
28AQI
12th April 2025
26AQI
26AQI
13th April 2025
26AQI
26AQI
14th April 2025
32AQI
32AQI
15th April 2025
23AQI
23AQI
16th April 2025
27AQI
27AQI
17th April 2025
31AQI
31AQI
18th April 2025
26AQI
26AQI
19th April 2025
28AQI
28AQI
20th April 2025
36AQI
36AQI
21st April 2025
13AQI
13AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
14AQI
14AQI
24th April 2025
15AQI
15AQI
25th April 2025
20AQI
20AQI
26th April 2025
29AQI
29AQI
27th April 2025
16AQI
16AQI
28th April 2025
17AQI
17AQI
29th April 2025
27AQI
27AQI
30th April 2025
33AQI
33AQI
1st May 2025
15AQI
15AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
22AQI
22AQI
4th May 2025
25AQI
25AQI
5th May 2025
17AQI
17AQI
6th May 2025
20AQI
20AQI
7th May 2025
22AQI
22AQI
8th May 2025
16AQI
16AQI
9th May 2025
19AQI
19AQI
10th May 2025
16AQI
16AQI
11th May 2025
15AQI
15AQI
12th May 2025
17AQI
17AQI
13th May 2025
19AQI
19AQI
14th May 2025
19AQI
19AQI
15th May 2025
24AQI
24AQI
16th May 2025
24AQI
24AQI
17th May 2025
26AQI
26AQI
18th May 2025
14AQI
14AQI
19th May 2025
27AQI
27AQI
20th May 2025
17AQI
17AQI
21st May 2025
21AQI
21AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
18AQI
18AQI
24th May 2025
17AQI
17AQI
25th May 2025
16AQI
16AQI
26th May 2025
16AQI
16AQI
27th May 2025
23AQI
23AQI
28th May 2025
26AQI
26AQI
29th May 2025
25AQI
25AQI
30th May 2025
20AQI
20AQI
31st May 2025
20AQI
20AQI
1st June 2025
33AQI
33AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
22AQI
22AQI
4th June 2025
25AQI
25AQI
5th June 2025
27AQI
27AQI
6th June 2025
37AQI
37AQI
7th June 2025
34AQI
34AQI
8th June 2025
39AQI
39AQI
9th June 2025
41AQI
41AQI
10th June 2025
34AQI
34AQI
11th June 2025
32AQI
32AQI
12th June 2025
55AQI
55AQI
13th June 2025
38AQI
38AQI
14th June 2025
23AQI
23AQI
15th June 2025
25AQI
25AQI
16th June 2025
24AQI
24AQI
17th June 2025
22AQI
22AQI
18th June 2025
20AQI
20AQI
19th June 2025
27AQI
27AQI
20th June 2025
23AQI
23AQI
21st June 2025
23AQI
23AQI
22nd June 2025
23AQI
23AQI
23rd June 2025
45AQI
45AQI
24th June 2025
42AQI
42AQI
25th June 2025
51AQI
51AQI
26th June 2025
24AQI
24AQI
27th June 2025
20AQI
20AQI
28th June 2025
25AQI
25AQI
29th June 2025
25AQI
25AQI
30th June 2025
21AQI
21AQI
1st July 2025
30AQI
30AQI
2nd July 2025
25AQI
25AQI
3rd July 2025
30AQI
30AQI
4th July 2025
30AQI
30AQI
5th July 2025
26AQI
26AQI
6th July 2025
31AQI
31AQI
7th July 2025
46AQI
46AQI
8th July 2025
23AQI
23AQI
9th July 2025
25AQI
25AQI
10th July 2025
31AQI
31AQI
11th July 2025
25AQI
25AQI
12th July 2025
30AQI
30AQI
13th July 2025
26AQI
26AQI
14th July 2025
21AQI
21AQI
15th July 2025
22AQI
22AQI
16th July 2025
47AQI
47AQI
17th July 2025
23AQI
23AQI
18th July 2025
19AQI
19AQI
19th July 2025
22AQI
22AQI
20th July 2025
25AQI
25AQI
21st July 2025
22AQI
22AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
24AQI
24AQI
24th July 2025
24AQI
24AQI
25th July 2025
28AQI
28AQI
26th July 2025
36AQI
36AQI
27th July 2025
40AQI
40AQI
28th July 2025
46AQI
46AQI
29th July 2025
40AQI
40AQI
30th July 2025
49AQI
49AQI
31st July 2025
57AQI
57AQI
1st August 2025
50AQI
50AQI
2nd August 2025
27AQI
27AQI
3rd August 2025
38AQI
38AQI
4th August 2025
44AQI
44AQI
5th August 2025
56AQI
56AQI
6th August 2025
26AQI
26AQI
7th August 2025
28AQI
28AQI
8th August 2025
31AQI
31AQI
9th August 2025
32AQI
32AQI
10th August 2025
29AQI
29AQI
11th August 2025
39AQI
39AQI
12th August 2025
50AQI
50AQI
13th August 2025
41AQI
41AQI
14th August 2025
38AQI
38AQI
15th August 2025
24AQI
24AQI
16th August 2025
18AQI
18AQI
17th August 2025
25AQI
25AQI
18th August 2025
16AQI
16AQI
19th August 2025
16AQI
16AQI
20th August 2025
17AQI
17AQI
21st August 2025
25AQI
25AQI
22nd August 2025
23AQI
23AQI
23rd August 2025
22AQI
22AQI
24th August 2025
26AQI
26AQI
25th August 2025
28AQI
28AQI
26th August 2025
20AQI
20AQI
27th August 2025
23AQI
23AQI
28th August 2025
26AQI
26AQI
29th August 2025
22AQI
22AQI
30th August 2025
19AQI
19AQI
31st August 2025
20AQI
20AQI
1st September 2025
23AQI
23AQI
2nd September 2025
28AQI
28AQI
3rd September 2025
28AQI
28AQI
4th September 2025
24AQI
24AQI
5th September 2025
20AQI
20AQI
6th September 2025
24AQI
24AQI
7th September 2025
19AQI
19AQI
8th September 2025
20AQI
20AQI
9th September 2025
19AQI
19AQI
10th September 2025
22AQI
22AQI
11th September 2025
19AQI
19AQI
12th September 2025
20AQI
20AQI
13th September 2025
20AQI
20AQI
14th September 2025
20AQI
20AQI
15th September 2025
22AQI
22AQI
16th September 2025
24AQI
24AQI
17th September 2025
25AQI
25AQI
18th September 2025
22AQI
22AQI
19th September 2025
20AQI
20AQI
20th September 2025
15AQI
15AQI
21st September 2025
15AQI
15AQI
22nd September 2025
17AQI
17AQI
23rd September 2025
18AQI
18AQI
24th September 2025
19AQI
19AQI
25th September 2025
17AQI
17AQI
26th September 2025
15AQI
15AQI
27th September 2025
18AQI
18AQI
28th September 2025
21AQI
21AQI
29th September 2025
23AQI
23AQI
30th September 2025
21AQI
21AQI
1st October 2025
19AQI
19AQI
2nd October 2025
22AQI
22AQI
3rd October 2025
34AQI
34AQI
4th October 2025
34AQI
34AQI
5th October 2025
28AQI
28AQI
6th October 2025
43AQI
43AQI
7th October 2025
44AQI
44AQI
8th October 2025
32AQI
32AQI
9th October 2025
23AQI
23AQI
10th October 2025
20AQI
20AQI
11th October 2025
20AQI
20AQI
12th October 2025
22AQI
22AQI
13th October 2025
24AQI
24AQI
14th October 2025
25AQI
25AQI
15th October 2025
23AQI
23AQI
16th October 2025
28AQI
28AQI
17th October 2025
28AQI
28AQI
18th October 2025
29AQI
29AQI
19th October 2025
24AQI
24AQI
20th October 2025
25AQI
25AQI
21st October 2025
29AQI
29AQI
22nd October 2025
34AQI
34AQI
23rd October 2025
34AQI
34AQI
24th October 2025
29AQI
29AQI
25th October 2025
26AQI
26AQI
26th October 2025
26AQI
26AQI
27th October 2025
15AQI
15AQI
28th October 2025
17AQI
17AQI
29th October 2025
17AQI
17AQI
30th October 2025
26AQI
26AQI
31st October 2025
40AQI
40AQI
1st November 2025
21AQI
21AQI
2nd November 2025
13AQI
13AQI
3rd November 2025
20AQI
20AQI
4th November 2025
13AQI
13AQI
5th November 2025
14AQI
14AQI
6th November 2025
13AQI
13AQI
7th November 2025
17AQI
17AQI
8th November 2025
27AQI
27AQI
9th November 2025
23AQI
23AQI
10th November 2025
32AQI
32AQI
11th November 2025
25AQI
25AQI
12th November 2025
17AQI
17AQI
13th November 2025
20AQI
20AQI
14th November 2025
15AQI
15AQI
15th November 2025
19AQI
19AQI
16th November 2025
26AQI
26AQI
17th November 2025
15AQI
15AQI
18th November 2025
14AQI
14AQI
19th November 2025
19AQI
19AQI
20th November 2025
23AQI
23AQI
21st November 2025
35AQI
35AQI
22nd November 2025
35AQI
35AQI
23rd November 2025
20AQI
20AQI
24th November 2025
26AQI
26AQI
25th November 2025
26AQI
26AQI
26th November 2025
33AQI
33AQI
27th November 2025
20AQI
20AQI
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
23AQI
22AQI
21AQI
22AQI
20AQI
30AQI
30AQI
29AQI
21AQI
27AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202524AQI
31
28
31
30
31
28
2
30
1
30
1
30
31
27
327
4
Highest AQI recorded in
June30AQI
Lowest AQI recorded in
May20AQI
202419AQI
31
29
31
30
31
29
31
31
30
31
30
31
365
Highest AQI recorded in
August27AQI
Lowest AQI recorded in
November13AQI
202322AQI
31
28
31
17
10
1
30
1
29
1
30
29
30
1
265
4
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
January18AQI
202222AQI
31
20
1
31
16
1
31
30
22
1
1
29
31
30
31
303
3
Highest AQI recorded in
July27AQI
Lowest AQI recorded in
May19AQI
202123AQI
30
28
31
29
1
31
28
2
30
1
31
30
29
30
31
358
4
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
January17AQI
202023AQI
13
19
18
30
29
2
30
30
31
29
1
29
2
258
5
Highest AQI recorded in
July28AQI
Lowest AQI recorded in
September19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
24AQILeast Polluted Year Recorded
2024(Avg.)
19AQIHalifax Johnston's annual 2025 AQI (24) shows an average percentage change of 12.5% (worsened AQI) compared to previous years: 2020 (23), 2021 (23), 2022 (22), 2023 (22), 2024 (19).
