Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

July Air Quality Analysis

Halifax, Nova Scotia, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Jul 2022
62AQI
Lowest AQI recorded on
11th Jul 2023
7AQI

Same Day Analysis (18th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 49 of Good air quality on the same day.

Day & Night AQI Trend: 17th Jul - 18th Jul 2026

Halifax, Nova Scotia, Canada

AQI
Day
Night
.

5 AM17th Jul 2026

9 PM

4 AM18th Jul 2026

Day time
Avg. Highest Time
6AM17th Jul

49AQI

Avg. Lowest Time
2PM17th Jul

33AQI

Night time
Avg. Highest Time
2AM18th Jul

57AQI

Avg. Lowest Time
9PM17th Jul

26AQI

In the last 24 hours,

Halifax's AQI reached its highest point of 57 at 2 AM during the Night, while the lowest point, 26, was recorded at 9 PM during the Night between 17th Jul and 18th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Halifax, Nova Scotia, Canada

JunJul
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
19th Jun 2026245 AMAQI
19th Jun 2026226 AMAQI
19th Jun 2026207 AMAQI
19th Jun 2026208 AMAQI
19th Jun 2026219 AMAQI
19th Jun 20262210 AMAQI
19th Jun 20262511 AMAQI
19th Jun 20262612 PMAQI
19th Jun 2026251 PMAQI
19th Jun 2026272 PMAQI
19th Jun 2026273 PMAQI
19th Jun 2026274 PMAQI
19th Jun 2026255 PMAQI
19th Jun 2026276 PMAQI
19th Jun 2026267 PMAQI
19th Jun 2026278 PMAQI
19th Jun 2026299 PMAQI
19th Jun 20262510 PMAQI
19th Jun 20262311 PMAQI
20th Jun 20262212 AMAQI
20th Jun 2026261 AMAQI
20th Jun 2026252 AMAQI
20th Jun 2026243 AMAQI
20th Jun 2026254 AMAQI

18°C12/26°C

20th Jun 2026255 AMAQI
20th Jun 2026246 AMAQI
20th Jun 2026227 AMAQI
20th Jun 2026218 AMAQI
20th Jun 2026169 AMAQI
20th Jun 20262310 AMAQI
20th Jun 20262711 AMAQI
20th Jun 20262812 PMAQI
20th Jun 2026291 PMAQI
20th Jun 2026302 PMAQI
20th Jun 2026283 PMAQI
20th Jun 2026284 PMAQI
20th Jun 2026245 PMAQI
20th Jun 2026256 PMAQI
20th Jun 2026237 PMAQI
20th Jun 2026228 PMAQI
20th Jun 2026229 PMAQI
20th Jun 20261510 PMAQI
20th Jun 20261511 PMAQI
21st Jun 20262312 AMAQI
21st Jun 2026121 AMAQI
21st Jun 2026122 AMAQI
21st Jun 2026123 AMAQI
21st Jun 2026124 AMAQI

17°C12/23°C

21st Jun 2026225 AMAQI
21st Jun 2026166 AMAQI
21st Jun 2026207 AMAQI
21st Jun 2026128 AMAQI
21st Jun 2026209 AMAQI
21st Jun 20262310 AMAQI
21st Jun 20262511 AMAQI
21st Jun 20262612 PMAQI
21st Jun 2026251 PMAQI
21st Jun 2026252 PMAQI
21st Jun 2026253 PMAQI
21st Jun 2026224 PMAQI
21st Jun 2026175 PMAQI
21st Jun 2026236 PMAQI
21st Jun 2026177 PMAQI
21st Jun 2026218 PMAQI
21st Jun 2026209 PMAQI
21st Jun 20262010 PMAQI
21st Jun 20263811 PMAQI
22nd Jun 20261912 AMAQI
22nd Jun 2026201 AMAQI
22nd Jun 2026192 AMAQI
22nd Jun 2026223 AMAQI
22nd Jun 2026204 AMAQI

16°C12/22°C

22nd Jun 2026175 AMAQI
22nd Jun 2026196 AMAQI
22nd Jun 2026207 AMAQI
22nd Jun 2026208 AMAQI
22nd Jun 2026219 AMAQI
22nd Jun 20262210 AMAQI
22nd Jun 20262211 AMAQI
22nd Jun 20262712 PMAQI
22nd Jun 2026271 PMAQI
22nd Jun 2026272 PMAQI
22nd Jun 2026283 PMAQI
22nd Jun 2026274 PMAQI
22nd Jun 2026265 PMAQI
22nd Jun 2026236 PMAQI
22nd Jun 2026237 PMAQI
22nd Jun 2026298 PMAQI
22nd Jun 2026259 PMAQI
22nd Jun 20262610 PMAQI
22nd Jun 20262511 PMAQI
23rd Jun 20262612 AMAQI
23rd Jun 2026281 AMAQI
23rd Jun 2026272 AMAQI
23rd Jun 2026293 AMAQI
23rd Jun 2026164 AMAQI

14°C10/18°C

23rd Jun 2026245 AMAQI
23rd Jun 2026206 AMAQI
23rd Jun 2026227 AMAQI
23rd Jun 2026198 AMAQI
23rd Jun 2026219 AMAQI
23rd Jun 20262310 AMAQI
23rd Jun 20262311 AMAQI
23rd Jun 20262012 PMAQI
23rd Jun 2026281 PMAQI
23rd Jun 2026272 PMAQI
23rd Jun 2026263 PMAQI
23rd Jun 2026224 PMAQI
23rd Jun 2026255 PMAQI
23rd Jun 2026266 PMAQI
23rd Jun 2026227 PMAQI
23rd Jun 2026248 PMAQI
23rd Jun 2026249 PMAQI
23rd Jun 20262510 PMAQI
23rd Jun 20262711 PMAQI
24th Jun 20261912 AMAQI
24th Jun 2026131 AMAQI
24th Jun 2026172 AMAQI
24th Jun 2026193 AMAQI
24th Jun 2026124 AMAQI

13°C11/16°C

24th Jun 2026175 AMAQI
24th Jun 2026166 AMAQI
24th Jun 2026227 AMAQI
24th Jun 2026208 AMAQI
24th Jun 2026229 AMAQI
24th Jun 20262210 AMAQI
24th Jun 20262411 AMAQI
24th Jun 20262612 PMAQI
24th Jun 2026271 PMAQI
24th Jun 2026252 PMAQI
24th Jun 2026243 PMAQI
24th Jun 2026244 PMAQI
24th Jun 2026225 PMAQI
24th Jun 2026246 PMAQI
24th Jun 2026237 PMAQI
24th Jun 2026248 PMAQI
24th Jun 2026269 PMAQI
24th Jun 20262610 PMAQI
24th Jun 20262611 PMAQI
25th Jun 20262812 AMAQI
25th Jun 2026291 AMAQI
25th Jun 2026272 AMAQI
25th Jun 2026253 AMAQI
25th Jun 2026254 AMAQI

17°C14/23°C

25th Jun 2026245 AMAQI
25th Jun 2026236 AMAQI
25th Jun 2026237 AMAQI
25th Jun 2026228 AMAQI
25th Jun 2026249 AMAQI
25th Jun 20262210 AMAQI
25th Jun 20262711 AMAQI
25th Jun 20262712 PMAQI
25th Jun 2026271 PMAQI
25th Jun 2026272 PMAQI
25th Jun 2026243 PMAQI
25th Jun 2026254 PMAQI
25th Jun 2026215 PMAQI
25th Jun 2026216 PMAQI
25th Jun 2026227 PMAQI
25th Jun 2026228 PMAQI
25th Jun 2026239 PMAQI
25th Jun 20263610 PMAQI
25th Jun 20262711 PMAQI
26th Jun 20262812 AMAQI
26th Jun 2026281 AMAQI
26th Jun 2026292 AMAQI
26th Jun 2026193 AMAQI
26th Jun 2026244 AMAQI

18°C14/24°C

26th Jun 2026225 AMAQI
26th Jun 2026216 AMAQI
26th Jun 2026237 AMAQI
26th Jun 2026258 AMAQI
26th Jun 2026259 AMAQI
26th Jun 20262610 AMAQI
26th Jun 20263011 AMAQI
26th Jun 20263112 PMAQI
26th Jun 2026291 PMAQI
26th Jun 2026302 PMAQI
26th Jun 2026283 PMAQI
26th Jun 2026284 PMAQI
26th Jun 2026295 PMAQI
26th Jun 2026276 PMAQI
26th Jun 2026287 PMAQI
26th Jun 2026288 PMAQI
26th Jun 2026289 PMAQI
26th Jun 20263010 PMAQI
26th Jun 20263011 PMAQI
27th Jun 20262812 AMAQI
27th Jun 2026281 AMAQI
27th Jun 2026262 AMAQI
27th Jun 2026283 AMAQI
27th Jun 2026294 AMAQI

14°C12/15°C

27th Jun 2026285 AMAQI
27th Jun 2026296 AMAQI
27th Jun 2026297 AMAQI
27th Jun 2026288 AMAQI
27th Jun 2026279 AMAQI
27th Jun 20262910 AMAQI
27th Jun 20263211 AMAQI
27th Jun 20263312 PMAQI
27th Jun 2026281 PMAQI
27th Jun 2026312 PMAQI
27th Jun 2026313 PMAQI
27th Jun 2026304 PMAQI
27th Jun 2026295 PMAQI
27th Jun 2026296 PMAQI
27th Jun 2026297 PMAQI
27th Jun 2026298 PMAQI
27th Jun 2026299 PMAQI
27th Jun 20262910 PMAQI
27th Jun 20262211 PMAQI
28th Jun 20262812 AMAQI
28th Jun 2026281 AMAQI
28th Jun 2026272 AMAQI
28th Jun 2026283 AMAQI
28th Jun 2026284 AMAQI

16°C13/22°C

28th Jun 2026275 AMAQI
28th Jun 2026266 AMAQI
28th Jun 2026287 AMAQI
28th Jun 2026258 AMAQI
28th Jun 2026299 AMAQI
28th Jun 20263010 AMAQI
28th Jun 20262911 AMAQI
28th Jun 20262912 PMAQI
28th Jun 2026241 PMAQI
28th Jun 2026242 PMAQI
28th Jun 2026283 PMAQI
28th Jun 2026284 PMAQI
28th Jun 2026295 PMAQI
28th Jun 2026286 PMAQI
28th Jun 2026247 PMAQI
28th Jun 2026268 PMAQI
28th Jun 2026299 PMAQI
28th Jun 20262410 PMAQI
28th Jun 20262711 PMAQI
29th Jun 20262612 AMAQI
29th Jun 2026251 AMAQI
29th Jun 2026272 AMAQI
29th Jun 2026233 AMAQI
29th Jun 2026274 AMAQI

16°C14/22°C

29th Jun 2026285 AMAQI
29th Jun 2026256 AMAQI
29th Jun 2026247 AMAQI
29th Jun 2026228 AMAQI
29th Jun 2026259 AMAQI
29th Jun 20262210 AMAQI
29th Jun 20262611 AMAQI
29th Jun 20262812 PMAQI
29th Jun 2026281 PMAQI
29th Jun 2026272 PMAQI
29th Jun 2026283 PMAQI
29th Jun 2026254 PMAQI
29th Jun 2026285 PMAQI
29th Jun 2026256 PMAQI
29th Jun 2026297 PMAQI
29th Jun 2026258 PMAQI
29th Jun 2026289 PMAQI
29th Jun 20262710 PMAQI
29th Jun 20264011 PMAQI
30th Jun 20263812 AMAQI
30th Jun 2026261 AMAQI
30th Jun 2026382 AMAQI
30th Jun 2026253 AMAQI
30th Jun 2026264 AMAQI

18°C13/24°C

30th Jun 2026385 AMAQI
30th Jun 2026246 AMAQI
30th Jun 2026257 AMAQI
30th Jun 2026388 AMAQI
30th Jun 2026269 AMAQI
30th Jun 20262710 AMAQI
30th Jun 20262711 AMAQI
30th Jun 20262812 PMAQI
30th Jun 2026281 PMAQI
30th Jun 2026282 PMAQI
30th Jun 2026253 PMAQI
30th Jun 2026274 PMAQI
30th Jun 2026255 PMAQI
30th Jun 2026666 PMAQI
30th Jun 2026667 PMAQI
30th Jun 2026558 PMAQI
30th Jun 2026509 PMAQI
30th Jun 20264210 PMAQI
30th Jun 20264411 PMAQI
1st Jul 20264212 AMAQI
1st Jul 2026441 AMAQI
1st Jul 2026442 AMAQI
1st Jul 2026393 AMAQI
1st Jul 2026314 AMAQI

21°C14/30°C

1st Jul 2026275 AMAQI
1st Jul 2026246 AMAQI
1st Jul 2026267 AMAQI
1st Jul 2026278 AMAQI
1st Jul 2026299 AMAQI
1st Jul 20262710 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20262912 PMAQI
1st Jul 2026301 PMAQI
1st Jul 2026312 PMAQI
1st Jul 2026273 PMAQI
1st Jul 2026284 PMAQI
1st Jul 2026275 PMAQI
1st Jul 2026276 PMAQI
1st Jul 2026267 PMAQI
1st Jul 2026268 PMAQI
1st Jul 2026269 PMAQI
1st Jul 20262610 PMAQI
1st Jul 20262311 PMAQI
2nd Jul 20262212 AMAQI
2nd Jul 2026231 AMAQI
2nd Jul 2026222 AMAQI
2nd Jul 2026233 AMAQI
2nd Jul 2026244 AMAQI

19°C15/22°C

2nd Jul 2026265 AMAQI
2nd Jul 2026296 AMAQI
2nd Jul 2026277 AMAQI
2nd Jul 2026278 AMAQI
2nd Jul 2026289 AMAQI
2nd Jul 20262810 AMAQI
2nd Jul 20262911 AMAQI
2nd Jul 20262812 PMAQI
2nd Jul 2026291 PMAQI
2nd Jul 2026382 PMAQI
2nd Jul 2026453 PMAQI
2nd Jul 2026424 PMAQI
2nd Jul 2026275 PMAQI
2nd Jul 2026266 PMAQI
2nd Jul 2026277 PMAQI
2nd Jul 2026278 PMAQI
2nd Jul 2026269 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262511 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026261 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026293 AMAQI
3rd Jul 2026284 AMAQI

22°C17/33°C

3rd Jul 2026275 AMAQI
3rd Jul 2026276 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026298 AMAQI
3rd Jul 2026299 AMAQI
3rd Jul 20262810 AMAQI
3rd Jul 20263111 AMAQI
3rd Jul 20262912 PMAQI
3rd Jul 2026311 PMAQI
3rd Jul 2026292 PMAQI
3rd Jul 2026293 PMAQI
3rd Jul 2026274 PMAQI
3rd Jul 2026295 PMAQI
3rd Jul 2026296 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026288 PMAQI
3rd Jul 2026279 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262711 PMAQI
4th Jul 20262512 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026273 AMAQI
4th Jul 2026294 AMAQI

25°C16/35°C

4th Jul 2026275 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026279 AMAQI
4th Jul 20262710 AMAQI
4th Jul 20262611 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026281 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262110 PMAQI
4th Jul 20262011 PMAQI
5th Jul 20262012 AMAQI
5th Jul 2026201 AMAQI
5th Jul 2026252 AMAQI
5th Jul 2026273 AMAQI
5th Jul 2026274 AMAQI

27°C21/34°C

5th Jul 2026265 AMAQI
5th Jul 2026256 AMAQI
5th Jul 2026257 AMAQI
5th Jul 2026238 AMAQI
5th Jul 2026279 AMAQI
5th Jul 20262510 AMAQI
5th Jul 20263211 AMAQI
5th Jul 20262512 PMAQI
5th Jul 2026281 PMAQI
5th Jul 2026282 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026176 PMAQI
5th Jul 2026277 PMAQI
5th Jul 2026168 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262210 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262112 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026253 AMAQI
6th Jul 2026234 AMAQI

21°C15/27°C

6th Jul 2026225 AMAQI
6th Jul 2026206 AMAQI
6th Jul 2026227 AMAQI
6th Jul 2026238 AMAQI
6th Jul 2026269 AMAQI
6th Jul 20262610 AMAQI
6th Jul 20262811 AMAQI
6th Jul 20262812 PMAQI
6th Jul 2026301 PMAQI
6th Jul 2026252 PMAQI
6th Jul 2026273 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026245 PMAQI
6th Jul 2026146 PMAQI
6th Jul 2026297 PMAQI
6th Jul 2026228 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026261 AMAQI
7th Jul 2026182 AMAQI
7th Jul 2026313 AMAQI
7th Jul 2026274 AMAQI

17°C11/24°C

7th Jul 2026305 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026299 AMAQI
7th Jul 20262710 AMAQI
7th Jul 20262811 AMAQI
7th Jul 20263112 PMAQI
7th Jul 2026331 PMAQI
7th Jul 2026322 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026284 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026326 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026318 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026231 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026253 AMAQI
8th Jul 2026254 AMAQI

19°C12/27°C

8th Jul 2026255 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262611 AMAQI
8th Jul 20262912 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026312 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026315 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026307 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262512 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026242 AMAQI
9th Jul 2026293 AMAQI
9th Jul 2026284 AMAQI

17°C13/22°C

9th Jul 2026275 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262910 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026294 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262912 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026253 AMAQI
10th Jul 2026274 AMAQI

20°C16/26°C

10th Jul 2026335 AMAQI
10th Jul 2026326 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026339 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20263711 AMAQI
10th Jul 20263712 PMAQI
10th Jul 2026351 PMAQI
10th Jul 2026362 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026314 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026346 PMAQI
10th Jul 2026337 PMAQI
10th Jul 2026338 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20263710 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026261 AMAQI
11th Jul 2026272 AMAQI
11th Jul 2026253 AMAQI
11th Jul 2026284 AMAQI

21°C16/25°C

11th Jul 2026325 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026327 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026331 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026333 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026262 AMAQI
12th Jul 2026243 AMAQI
12th Jul 2026274 AMAQI

22°C15/29°C

12th Jul 2026305 AMAQI
12th Jul 2026296 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20263011 AMAQI
12th Jul 20262912 PMAQI
12th Jul 2026271 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026313 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263210 PMAQI
12th Jul 20262711 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026231 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026233 AMAQI
13th Jul 2026264 AMAQI

21°C15/28°C

13th Jul 2026325 AMAQI
13th Jul 2026316 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026328 AMAQI
13th Jul 2026329 AMAQI
13th Jul 20263310 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20263412 PMAQI
13th Jul 2026351 PMAQI
13th Jul 2026352 PMAQI
13th Jul 2026333 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026298 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20262711 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026211 AMAQI
14th Jul 2026222 AMAQI
14th Jul 2026233 AMAQI
14th Jul 2026244 AMAQI

21°C14/29°C

14th Jul 2026335 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026348 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263510 AMAQI
14th Jul 20263711 AMAQI
14th Jul 20263512 PMAQI
14th Jul 2026351 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026333 PMAQI
14th Jul 2026294 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026276 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262312 AMAQI
15th Jul 2026231 AMAQI
15th Jul 2026222 AMAQI
15th Jul 2026193 AMAQI
15th Jul 2026224 AMAQI

19°C15/24°C

15th Jul 2026265 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026257 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20265712 PMAQI
15th Jul 2026521 PMAQI
15th Jul 2026472 PMAQI
15th Jul 2026443 PMAQI
15th Jul 2026394 PMAQI
15th Jul 2026395 PMAQI
15th Jul 2026366 PMAQI
15th Jul 2026327 PMAQI
15th Jul 2026378 PMAQI
15th Jul 2026329 PMAQI
15th Jul 20263210 PMAQI
15th Jul 20263011 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026372 AMAQI
16th Jul 2026263 AMAQI
16th Jul 2026234 AMAQI

23°C16/31°C

16th Jul 2026265 AMAQI
16th Jul 2026326 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026322 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026295 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026307 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026272 AMAQI
17th Jul 2026263 AMAQI
17th Jul 2026334 AMAQI

22°C16/29°C

17th Jul 2026415 AMAQI
17th Jul 2026496 AMAQI
17th Jul 2026477 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026499 AMAQI
17th Jul 20264610 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20263912 PMAQI
17th Jul 2026371 PMAQI
17th Jul 2026332 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026497 PMAQI
17th Jul 2026418 PMAQI
17th Jul 2026269 PMAQI
17th Jul 20262810 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026572 AMAQI
18th Jul 2026453 AMAQI
18th Jul 2026434 AMAQI

17°C12/23°C

18th Jul 2026545 AMAQI
5 AM
18th Jul 2026426 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026508 AMAQI
18th Jul 2026429 AMAQI
18th Jul 20266310 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20266312 PMAQI
18th Jul 2026621 PMAQI
1 PM
18th Jul 2026612 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026474 PMAQI
18th Jul 2026635 PMAQI
18th Jul 2026536 PMAQI
18th Jul 2026397 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026299 PMAQI
9 PM
18th Jul 20263610 PMAQI
18th Jul 20263811 PMAQI
1 AM
4 AM

20°C13/27°C

Day time
Avg. Highest Time
12 PM - 3 PM

31AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
6 AM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 3 PM (Avg. 31), while the lowest AQI was between 6 AM to 6 AM (Avg. 27).
Night time
Avg. Highest Time
11 PM

29AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM

25AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 29), while the lowest AQI was between 4 AM to 4 AM (Avg. 25).

2026 Days Vs Air Quality

Halifax, Nova Scotia, Canada

2026

94%

184

6%

12

Total number of days with different AQI categories in last 199 days in 2026 (166 days remaining)

Good
184 Days
Moderate
12 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2026, 94% of 199 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, Nova Scotia, Canada

AQI levels in 2026

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

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
21AQI (US)
2nd January 2026
12AQI (US)
3rd January 2026
11AQI (US)
4th January 2026
14AQI (US)
5th January 2026
20AQI (US)
6th January 2026
37AQI (US)
7th January 2026
15AQI (US)
8th January 2026
13AQI (US)
9th January 2026
17AQI (US)
10th January 2026
17AQI (US)
11th January 2026
13AQI (US)
12th January 2026
11AQI (US)
13th January 2026
16AQI (US)
14th January 2026
27AQI (US)
15th January 2026
16AQI (US)
16th January 2026
16AQI (US)
17th January 2026
16AQI (US)
18th January 2026
27AQI (US)
19th January 2026
17AQI (US)
20th January 2026
17AQI (US)
21st January 2026
11AQI (US)
22nd January 2026
48AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
47AQI (US)
25th January 2026
47AQI (US)
26th January 2026
48AQI (US)
27th January 2026
45AQI (US)
28th January 2026
48AQI (US)
29th January 2026
52AQI (US)
30th January 2026
52AQI (US)
31st January 2026
47AQI (US)
1st February 2026
47AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
50AQI (US)
5th February 2026
49AQI (US)
6th February 2026
42AQI (US)
7th February 2026
39AQI (US)
8th February 2026
47AQI (US)
9th February 2026
48AQI (US)
10th February 2026
46AQI (US)
11th February 2026
45AQI (US)
12th February 2026
43AQI (US)
13th February 2026
51AQI (US)
14th February 2026
51AQI (US)
15th February 2026
42AQI (US)
16th February 2026
45AQI (US)
17th February 2026
45AQI (US)
18th February 2026
44AQI (US)
19th February 2026
40AQI (US)
20th February 2026
42AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
45AQI (US)
25th February 2026
45AQI (US)
26th February 2026
38AQI (US)
27th February 2026
37AQI (US)
28th February 2026
39AQI (US)
1st March 2026
41AQI (US)
2nd March 2026
57AQI (US)
3rd March 2026
48AQI (US)
4th March 2026
46AQI (US)
5th March 2026
43AQI (US)
6th March 2026
39AQI (US)
7th March 2026
41AQI (US)
8th March 2026
41AQI (US)
9th March 2026
41AQI (US)
10th March 2026
34AQI (US)
11th March 2026
43AQI (US)
12th March 2026
44AQI (US)
13th March 2026
41AQI (US)
14th March 2026
38AQI (US)
15th March 2026
36AQI (US)
16th March 2026
39AQI (US)
17th March 2026
36AQI (US)
18th March 2026
33AQI (US)
19th March 2026
34AQI (US)
20th March 2026
38AQI (US)
21st March 2026
37AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
42AQI (US)
24th March 2026
37AQI (US)
25th March 2026
34AQI (US)
26th March 2026
28AQI (US)
27th March 2026
29AQI (US)
28th March 2026
33AQI (US)
29th March 2026
30AQI (US)
30th March 2026
28AQI (US)
31st March 2026
25AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
33AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
32AQI (US)
5th April 2026
31AQI (US)
6th April 2026
30AQI (US)
7th April 2026
27AQI (US)
8th April 2026
33AQI (US)
9th April 2026
29AQI (US)
10th April 2026
30AQI (US)
11th April 2026
34AQI (US)
12th April 2026
28AQI (US)
13th April 2026
33AQI (US)
14th April 2026
33AQI (US)
15th April 2026
33AQI (US)
16th April 2026
31AQI (US)
17th April 2026
18th April 2026
32AQI (US)
19th April 2026
32AQI (US)
20th April 2026
29AQI (US)
21st April 2026
28AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24th April 2026
26AQI (US)
25th April 2026
31AQI (US)
26th April 2026
33AQI (US)
27th April 2026
29AQI (US)
28th April 2026
24AQI (US)
29th April 2026
24AQI (US)
30th April 2026
26AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
30AQI (US)
5th May 2026
33AQI (US)
6th May 2026
31AQI (US)
7th May 2026
28AQI (US)
8th May 2026
27AQI (US)
9th May 2026
10th May 2026
34AQI (US)
11th May 2026
31AQI (US)
12th May 2026
28AQI (US)
13th May 2026
29AQI (US)
14th May 2026
23AQI (US)
15th May 2026
46AQI (US)
16th May 2026
54AQI (US)
17th May 2026
55AQI (US)
18th May 2026
58AQI (US)
19th May 2026
54AQI (US)
20th May 2026
50AQI (US)
21st May 2026
46AQI (US)
22nd May 2026
42AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
47AQI (US)
25th May 2026
45AQI (US)
26th May 2026
30AQI (US)
27th May 2026
27AQI (US)
28th May 2026
18AQI (US)
29th May 2026
19AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
25AQI (US)
5th June 2026
27AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
21AQI (US)
9th June 2026
24AQI (US)
10th June 2026
27AQI (US)
11th June 2026
29AQI (US)
12th June 2026
27AQI (US)
13th June 2026
23AQI (US)
14th June 2026
24AQI (US)
15th June 2026
27AQI (US)
16th June 2026
26AQI (US)
17th June 2026
30AQI (US)
18th June 2026
26AQI (US)
19th June 2026
25AQI (US)
20th June 2026
24AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
23AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
22AQI (US)
25th June 2026
25AQI (US)
26th June 2026
27AQI (US)
27th June 2026
29AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
35AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
28AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
24AQI (US)
6th July 2026
24AQI (US)
7th July 2026
29AQI (US)
8th July 2026
27AQI (US)
9th July 2026
29AQI (US)
10th July 2026
32AQI (US)
11th July 2026
31AQI (US)
12th July 2026
29AQI (US)
13th July 2026
31AQI (US)
14th July 2026
30AQI (US)
15th July 2026
32AQI (US)
16th July 2026
29AQI (US)
17th July 2026
39AQI (US)
18th July 2026
49AQI (US)
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

28AQI (US)

44AQI (US)

38AQI (US)

30AQI (US)

35AQI (US)

26AQI (US)

30AQI (US)

No. of days

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

202633AQI (US)

28
3
25
3
30
1
28
25
5
30
18
184
12

Highest AQI (US) recorded in

February

44AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202523AQI (US)

31
28
31
30
31
29
1
30
1
30
1
30
31
30
31
362
3

Highest AQI (US) recorded in

June

29AQI (US)

Lowest AQI (US) recorded in

May

19AQI (US)

202418AQI (US)

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

Highest AQI (US) recorded in

August

25AQI (US)

Lowest AQI (US) recorded in

November

13AQI (US)

202322AQI (US)

31
28
31
30
29
2
26
4
30
1
30
1
29
1
31
29
30
1
354
10

Highest AQI (US) recorded in

June

27AQI (US)

Lowest AQI (US) recorded in

January

18AQI (US)

202221AQI (US)

31
21
31
30
31
30
22
1
1
29
31
30
31
318
1

Highest AQI (US) recorded in

July

27AQI (US)

Lowest AQI (US) recorded in

May

18AQI (US)

202122AQI (US)

30
28
31
29
1
31
28
2
30
1
31
30
31
30
31
360
4

Highest AQI (US) recorded in

August

29AQI (US)

Lowest AQI (US) recorded in

January

17AQI (US)

202022AQI (US)

13
21
18
30
30
1
30
30
31
29
1
29
2
261
4

Highest AQI (US) recorded in

July

27AQI (US)

Lowest AQI (US) recorded in

September

18AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
33AQI (US)
Least Polluted Year Recorded
2024(Avg.)
18AQI (US)

Halifax's annual 2026 AQI (US) (33) shows an average percentage change of 55.6% (worsened AQI (US)) compared to previous years: 2020 (22), 2021 (22), 2022 (21), 2023 (22), 2024 (18), 2025 (23).