Heihe, Heilongjiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Heihe, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 36 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Heihe, Heilongjiang, China
4 AM2nd Jun 2026
7 PM
3 AM3rd Jun 2026
57AQI
18AQI
48AQI
20AQI
In the last 24 hours,
Heihe's AQI reached its highest point of 57 at 1 PM during the Day, while the lowest point, 18, was recorded at 3 AM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Heihe, Heilongjiang, China
10°C7/15°C
10°C5/15°C
10°C5/14°C
12°C5/18°C
15°C7/22°C
19°C11/27°C
12°C6/17°C
15°C10/20°C
16°C8/23°C
16°C11/25°C
9°C6/13°C
12°C6/19°C
13°C9/17°C
13°C8/18°C
15°C7/21°C
18°C10/25°C
18°C13/25°C
20°C14/26°C
15°C13/16°C
16°C11/22°C
15°C8/20°C
12°C7/18°C
15°C7/23°C
16°C11/23°C
13°C8/18°C
16°C7/25°C
18°C14/23°C
12°C8/14°C
12°C7/18°C
12°C5/19°C
57AQI
52AQI
61AQI
56AQI
2026 Days Vs Air Quality
Heihe, Heilongjiang, China
29%
44
51%
79
18%
28
2%
3
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2026, 29% of 154 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Heihe, Heilongjiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
69AQI (US)
115AQI (US)
142AQI (US)
77AQI (US)
64AQI (US)
113AQI (US)
76AQI (US)
79AQI (US)
114AQI (US)
91AQI (US)
94AQI (US)
124AQI (US)
125AQI (US)
96AQI (US)
120AQI (US)
119AQI (US)
90AQI (US)
138AQI (US)
113AQI (US)
78AQI (US)
81AQI (US)
64AQI (US)
81AQI (US)
79AQI (US)
65AQI (US)
86AQI (US)
105AQI (US)
86AQI (US)
66AQI (US)
62AQI (US)
97AQI (US)
98AQI (US)
90AQI (US)
50AQI (US)
108AQI (US)
99AQI (US)
43AQI (US)
69AQI (US)
78AQI (US)
106AQI (US)
134AQI (US)
111AQI (US)
104AQI (US)
118AQI (US)
108AQI (US)
32AQI (US)
81AQI (US)
81AQI (US)
45AQI (US)
90AQI (US)
94AQI (US)
115AQI (US)
73AQI (US)
32AQI (US)
33AQI (US)
57AQI (US)
44AQI (US)
44AQI (US)
36AQI (US)
40AQI (US)
54AQI (US)
43AQI (US)
80AQI (US)
88AQI (US)
63AQI (US)
58AQI (US)
78AQI (US)
57AQI (US)
80AQI (US)
49AQI (US)
60AQI (US)
59AQI (US)
64AQI (US)
56AQI (US)
48AQI (US)
60AQI (US)
62AQI (US)
100AQI (US)
74AQI (US)
135AQI (US)
142AQI (US)
114AQI (US)
138AQI (US)
173AQI (US)
153AQI (US)
99AQI (US)
112AQI (US)
124AQI (US)
53AQI (US)
145AQI (US)
98AQI (US)
158AQI (US)
108AQI (US)
82AQI (US)
88AQI (US)
66AQI (US)
39AQI (US)
51AQI (US)
42AQI (US)
51AQI (US)
57AQI (US)
53AQI (US)
27AQI (US)
60AQI (US)
81AQI (US)
82AQI (US)
108AQI (US)
41AQI (US)
36AQI (US)
45AQI (US)
30AQI (US)
20AQI (US)
45AQI (US)
63AQI (US)
49AQI (US)
35AQI (US)
27AQI (US)
30AQI (US)
41AQI (US)
62AQI (US)
32AQI (US)
45AQI (US)
52AQI (US)
58AQI (US)
42AQI (US)
38AQI (US)
45AQI (US)
40AQI (US)
40AQI (US)
58AQI (US)
82AQI (US)
76AQI (US)
76AQI (US)
76AQI (US)
43AQI (US)
79AQI (US)
68AQI (US)
63AQI (US)
62AQI (US)
71AQI (US)
77AQI (US)
87AQI (US)
85AQI (US)
76AQI (US)
72AQI (US)
49AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
42AQI (US)
37AQI (US)
33AQI (US)
36AQI (US)
94AQI (US)
78AQI (US)
86AQI (US)
59AQI (US)
57AQI (US)
35AQI (US)
No. of days
202674AQI (US)
Highest AQI (US) recorded in
January94AQI (US)
Lowest AQI (US) recorded in
June35AQI (US)
202583AQI (US)
Highest AQI (US) recorded in
January150AQI (US)
Lowest AQI (US) recorded in
August44AQI (US)
202469AQI (US)
Highest AQI (US) recorded in
December102AQI (US)
Lowest AQI (US) recorded in
August49AQI (US)
202358AQI (US)
Highest AQI (US) recorded in
January86AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202253AQI (US)
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202154AQI (US)
Highest AQI (US) recorded in
January71AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202046AQI (US)
Highest AQI (US) recorded in
December61AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Heihe's annual 2026 AQI (US) (74) shows an average percentage change of 26.9% (worsened AQI (US)) compared to previous years: 2020 (46), 2021 (54), 2022 (53), 2023 (58), 2024 (69), 2025 (83).