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
8 May
Sat
9 May
Sun
10 May
Mon
11 May
Tue
12 May
Wed
13 May
Thu
14 May
Real-time AQI (Monitoring Station in Heihe)
交通局
187
PM2.5
14
PM10
57
O3
0.3
CO
6
SO2
12
NO2
党校
223
PM2.5
7
PM10
68
O3
0.2
CO
6
SO2
7
NO2
Air quality in the last 12 months (Heihe)
|
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
|
|
|
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
|
|
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