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
30 Sep
Wed
1 Oct
Thu
2 Oct
Fri
3 Oct
Sat
4 Oct
Sun
5 Oct
Mon
6 Oct
Real-time AQI (Monitoring Station in Heihe)
交通局
5413
PM2.5
57 *
PM10
44
O3
0.4
CO
6
SO2
13
NO2
党校
187
PM2.5
18
PM10
52
O3
0.4
CO
5
SO2
5
NO2
地震局
133
PM2.5
13
PM10
41
O3
0.2
CO
12
SO2
7
NO2
Air quality in the last 12 months (Heihe)
|
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
|
|
|
2024/10
|
22
|
38
|
26
|
29
|
29
|
23
|
50
|
35
|
50
|
58
|
24
|
22
|
28
|
61
|
20
|
22
|
23
|
27
|
23
|
28
|
54
|
31
|
32
|
33
|
41
|
31
|
55
|
39
|
113
|
59
|
45
|
|
2024/09
|
23
|
22
|
24
|
26
|
19
|
22
|
26
|
23
|
34
|
38
|
19
|
27
|
19
|
21
|
25
|
27
|
27
|
25
|
22
|
19
|
19
|
33
|
34
|
27
|
26
|
31
|
27
|
30
|
22
|
22
|
|
|
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