Terrace, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Terrace, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (19th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Jul - 20th Jul 2025
Terrace, British Columbia, Canada
5 AM19th Jul 2025
10 PM
4 AM20th Jul 2025
30AQI
24AQI
37AQI
29AQI
In the last 24 hours,
Terrace's AQI reached its highest point of 37 at 2 AM during the Night, while the lowest point, 24, was recorded at 2 PM during the Day between 19th Jul and 20th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Terrace, British Columbia, Canada
15°C6/22°C
19°C9/25°C
19°C13/25°C
13°C9/18°C
12°C8/17°C
12°C7/16°C
13°C7/16°C
12°C9/17°C
11°C9/12°C
9°C6/12°C
13°C7/17°C
13°C10/17°C
11°C7/16°C
12°C5/17°C
13°C7/20°C
11°C7/15°C
12°C7/15°C
12°C11/13°C
11°C7/14°C
11°C5/16°C
13°C8/19°C
12°C7/14°C
11°C10/12°C
12°C11/14°C
17°C9/25°C
20°C14/26°C
18°C9/25°C
19°C14/24°C
16°C11/21°C
15°C11/19°C
--°C/°C
20AQI
19AQI
19AQI
19AQI
2025 Days Vs Air Quality
Terrace, British Columbia, Canada
98%
196
2%
4
Total number of days with different AQI categories in last 201 days in 2025 (164 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 201 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
Terrace, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
24AQI
27AQI
24AQI
26AQI
30AQI
30AQI
45AQI
47AQI
27AQI
28AQI
37AQI
30AQI
26AQI
27AQI
34AQI
29AQI
30AQI
34AQI
40AQI
36AQI
44AQI
34AQI
30AQI
37AQI
43AQI
36AQI
39AQI
27AQI
28AQI
21AQI
23AQI
27AQI
30AQI
30AQI
41AQI
43AQI
32AQI
58AQI
54AQI
52AQI
33AQI
47AQI
51AQI
29AQI
25AQI
34AQI
38AQI
33AQI
26AQI
40AQI
30AQI
27AQI
22AQI
29AQI
33AQI
23AQI
23AQI
33AQI
35AQI
34AQI
31AQI
28AQI
31AQI
30AQI
26AQI
28AQI
42AQI
41AQI
40AQI
27AQI
27AQI
29AQI
24AQI
29AQI
34AQI
31AQI
31AQI
36AQI
33AQI
31AQI
25AQI
22AQI
22AQI
28AQI
22AQI
18AQI
21AQI
28AQI
21AQI
24AQI
28AQI
35AQI
37AQI
34AQI
23AQI
16AQI
14AQI
15AQI
18AQI
17AQI
17AQI
17AQI
20AQI
19AQI
18AQI
18AQI
26AQI
12AQI
13AQI
16AQI
16AQI
16AQI
21AQI
26AQI
17AQI
22AQI
17AQI
15AQI
21AQI
25AQI
27AQI
14AQI
15AQI
17AQI
21AQI
18AQI
17AQI
18AQI
21AQI
21AQI
20AQI
21AQI
19AQI
20AQI
17AQI
17AQI
14AQI
16AQI
12AQI
13AQI
22AQI
17AQI
15AQI
18AQI
17AQI
16AQI
19AQI
16AQI
18AQI
16AQI
15AQI
19AQI
19AQI
25AQI
21AQI
16AQI
21AQI
20AQI
20AQI
20AQI
25AQI
27AQI
23AQI
25AQI
23AQI
22AQI
21AQI
21AQI
17AQI
18AQI
20AQI
22AQI
25AQI
28AQI
20AQI
15AQI
13AQI
13AQI
16AQI
20AQI
14AQI
14AQI
14AQI
17AQI
20AQI
20AQI
21AQI
17AQI
15AQI
18AQI
18AQI
17AQI
18AQI
16AQI
23AQI
26AQI
32AQI
30AQI
29AQI
32AQI
35AQI
29AQI
20AQI
18AQI
20AQI
20AQI
No. of days
202525AQI
Highest AQI recorded in
February35AQI
Lowest AQI recorded in
May18AQI
202423AQI
Highest AQI recorded in
December34AQI
Lowest AQI recorded in
June15AQI
202324AQI
Highest AQI recorded in
August33AQI
Lowest AQI recorded in
September18AQI
202225AQI
Highest AQI recorded in
January31AQI
Lowest AQI recorded in
August13AQI
202119AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
May14AQI
202018AQI
Highest AQI recorded in
March25AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
Terrace's annual 2025 AQI (25) shows an average percentage change of 16.1% (worsened AQI) compared to previous years: 2020 (18), 2021 (19), 2022 (25), 2023 (24), 2024 (23).