Air Quality
Excellent
No health implications.
23
PM2.5
27
PM10
39
O3
0.4
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Nov
59
Good
Thu
13 Nov
56
Good
Fri
14 Nov
56
Good
Sat
15 Nov
59
Good
Sun
16 Nov
56
Good
Mon
17 Nov
37
Excellent
Tue
18 Nov
22
Excellent
Real-time AQI (Monitoring Station in Heihe)
交通局
3323
PM2.5
27
PM10
39
O3
0.4
CO
3
SO2
15
NO2
Air quality in the last 12 months (Heihe)
|
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
|
|
|
2025/08
|
17
|
24
|
20
|
24
|
20
|
16
|
22
|
23
|
18
|
14
|
25
|
17
|
18
|
19
|
19
|
20
|
21
|
24
|
20
|
24
|
29
|
21
|
14
|
27
|
28
|
27
|
28
|
29
|
27
|
20
|
22
|
|
2025/07
|
20
|
17
|
17
|
24
|
26
|
23
|
20
|
21
|
22
|
27
|
27
|
23
|
26
|
28
|
30
|
33
|
26
|
24
|
22
|
18
|
18
|
19
|
25
|
29
|
22
|
25
|
21
|
23
|
21
|
17
|
16
|
|
2025/06
|
26
|
30
|
24
|
17
|
18
|
19
|
20
|
19
|
21
|
24
|
28
|
27
|
18
|
20
|
25
|
28
|
24
|
27
|
26
|
19
|
17
|
22
|
33
|
36
|
41
|
41
|
37
|
43
|
35
|
30
|
|
|
2025/05
|
26
|
23
|
19
|
18
|
16
|
23
|
31
|
38
|
44
|
39
|
75
|
111
|
79
|
32
|
48
|
24
|
28
|
14
|
15
|
18
|
20
|
21
|
23
|
24
|
25
|
28
|
30
|
47
|
54
|
48
|
35
|
|
2025/04
|
38
|
49
|
38
|
37
|
39
|
24
|
45
|
32
|
37
|
28
|
28
|
20
|
18
|
24
|
24
|
26
|
33
|
45
|
29
|
29
|
24
|
45
|
44
|
27
|
19
|
19
|
24
|
18
|
34
|
34
|
|
|
2025/03
|
26
|
24
|
26
|
43
|
57
|
39
|
31
|
39
|
33
|
61
|
32
|
32
|
25
|
25
|
21
|
25
|
28
|
25
|
26
|
32
|
21
|
21
|
18
|
16
|
16
|
22
|
27
|
18
|
17
|
19
|
26
|
|
2025/02
|
44
|
70
|
24
|
22
|
22
|
22
|
22
|
19
|
24
|
30
|
52
|
64
|
29
|
31
|
47
|
22
|
24
|
23
|
24
|
20
|
21
|
21
|
19
|
24
|
40
|
27
|
30
|
36
|
|||
|
2025/01
|
65
|
73
|
54
|
34
|
47
|
24
|
26
|
23
|
24
|
27
|
35
|
83
|
80
|
28
|
40
|
31
|
45
|
52
|
42
|
41
|
47
|
46
|
55
|
79
|
96
|
53
|
29
|
32
|
43
|
28
|
27
|
|
2024/12
|
36
|
29
|
40
|
27
|
33
|
22
|
22
|
27
|
31
|
36
|
27
|
19
|
21
|
27
|
24
|
27
|
24
|
21
|
21
|
26
|
24
|
49
|
36
|
29
|
30
|
25
|
31
|
30
|
38
|
64
|
50
|
|
2024/11
|
25
|
24
|
30
|
20
|
22
|
27
|
54
|
156
|
146
|
72
|
22
|
25
|
32
|
55
|
30
|
26
|
23
|
23
|
38
|
42
|
34
|
26
|
32
|
102
|
73
|
26
|
29
|
27
|
22
|
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
Air quality source: CNEMC
*: primary pollution