Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Nov
Mon
16 Nov
Tue
17 Nov
Wed
18 Nov
Thu
19 Nov
Fri
20 Nov
Sat
21 Nov
Real-time AQI (Monitoring Station in Heihe)
交通局
473
PM2.5
9
PM10
148
O3
0.2
CO
5
SO2
11
NO2
党校
167
PM2.5
9
PM10
49
O3
0.4
CO
6
SO2
8
NO2
Air quality in the last 12 months (Heihe)
|
2026/09
|
13
|
21
|
45
|
36
|
31
|
30
|
21
|
18
|
20
|
21
|
24
|
17
|
15
|
17
|
23
|
20
|
34
|
49
|
19
|
16
|
20
|
22
|
24
|
32
|
30
|
28
|
30
|
29
|
21
|
24
|
|
|
2026/08
|
24
|
28
|
19
|
19
|
31
|
29
|
36
|
26
|
25
|
26
|
27
|
22
|
18
|
23
|
25
|
22
|
24
|
22
|
29
|
25
|
23
|
26
|
26
|
18
|
26
|
27
|
33
|
38
|
19
|
18
|
16
|
|
2026/07
|
34
|
28
|
25
|
23
|
20
|
15
|
16
|
18
|
15
|
20
|
25
|
25
|
21
|
20
|
19
|
14
|
13
|
18
|
21
|
22
|
22
|
25
|
21
|
34
|
21
|
15
|
15
|
20
|
19
|
26
|
19
|
|
2026/06
|
26
|
20
|
27
|
16
|
16
|
14
|
14
|
20
|
24
|
29
|
30
|
26
|
23
|
27
|
28
|
31
|
30
|
29
|
28
|
29
|
24
|
29
|
29
|
23
|
31
|
24
|
22
|
23
|
29
|
33
|
|
|
2026/05
|
26
|
26
|
28
|
31
|
27
|
24
|
25
|
30
|
27
|
52
|
29
|
63
|
82
|
70
|
52
|
40
|
34
|
54
|
35
|
30
|
37
|
39
|
26
|
26
|
27
|
25
|
23
|
25
|
27
|
26
|
36
|
|
2026/04
|
39
|
29
|
31
|
32
|
38
|
40
|
32
|
32
|
31
|
34
|
43
|
24
|
25
|
31
|
32
|
37
|
28
|
28
|
33
|
29
|
25
|
24
|
23
|
21
|
30
|
24
|
27
|
26
|
29
|
37
|
|
|
2026/03
|
48
|
42
|
43
|
27
|
30
|
34
|
31
|
54
|
29
|
37
|
33
|
38
|
29
|
31
|
33
|
29
|
43
|
33
|
46
|
35
|
31
|
43
|
31
|
35
|
63
|
46
|
39
|
26
|
23
|
27
|
57
|
|
2026/02
|
24
|
42
|
38
|
30
|
23
|
25
|
26
|
32
|
43
|
68
|
34
|
34
|
52
|
30
|
29
|
44
|
37
|
20
|
36
|
59
|
74
|
37
|
19
|
22
|
45
|
23
|
28
|
35
|
|||
|
2026/01
|
27
|
38
|
21
|
20
|
32
|
36
|
25
|
27
|
31
|
33
|
31
|
57
|
23
|
34
|
26
|
21
|
25
|
42
|
34
|
21
|
20
|
23
|
17
|
19
|
18
|
17
|
19
|
19
|
17
|
19
|
25
|
|
2025/12
|
23
|
22
|
21
|
25
|
31
|
40
|
39
|
23
|
29
|
24
|
21
|
29
|
34
|
42
|
32
|
26
|
27
|
43
|
48
|
25
|
37
|
44
|
43
|
44
|
24
|
25
|
35
|
57
|
58
|
30
|
22
|
|
2025/11
|
25
|
24
|
33
|
69
|
27
|
21
|
22
|
21
|
70
|
29
|
29
|
43
|
22
|
34
|
28
|
27
|
26
|
23
|
31
|
22
|
20
|
46
|
44
|
30
|
31
|
37
|
37
|
31
|
44
|
33
|
|
|
2025/10
|
28
|
29
|
30
|
25
|
22
|
22
|
23
|
33
|
30
|
28
|
24
|
24
|
33
|
24
|
25
|
24
|
24
|
24
|
21
|
23
|
25
|
29
|
33
|
45
|
115
|
68
|
43
|
27
|
37
|
32
|
21
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution