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
19 Oct
Tue
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Real-time AQI (Monitoring Station in Heihe)
交通局
163
PM2.5
16
PM10
38
O3
0.1
CO
4
SO2
9
NO2
党校
133
PM2.5
6
PM10
40
O3
0.1
CO
7
SO2
8
NO2
Air quality in the last 12 months (Heihe)
|
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
|
|
2025/09
|
21
|
26
|
22
|
29
|
27
|
21
|
17
|
19
|
16
|
24
|
26
|
27
|
34
|
18
|
21
|
22
|
23
|
25
|
19
|
29
|
25
|
25
|
33
|
24
|
19
|
21
|
23
|
26
|
28
|
36
|
|
|
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