Air Quality
Excellent
No health implications.
23
PM2.5
37
PM10
41
O3
0.7
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Feb
52
Good
Mon
9 Feb
57
Good
Tue
10 Feb
51
Good
Wed
11 Feb
65
Good
Thu
12 Feb
56
Good
Fri
13 Feb
54
Good
Sat
14 Feb
28
Excellent
Hepu Air quality rank
Air quality in the last 12 months (Hepu)
|
2026/01
|
56
|
32
|
42
|
56
|
54
|
38
|
50
|
63
|
66
|
85
|
85
|
62
|
82
|
93
|
63
|
57
|
77
|
86
|
50
|
54
|
56
|
31
|
56
|
79
|
79
|
51
|
59
|
58
|
54
|
43
|
38
|
|
2025/12
|
65
|
46
|
57
|
79
|
77
|
84
|
83
|
74
|
81
|
79
|
71
|
62
|
36
|
44
|
55
|
54
|
54
|
53
|
50
|
44
|
63
|
54
|
36
|
29
|
27
|
41
|
51
|
69
|
77
|
75
|
79
|
|
2025/11
|
36
|
38
|
29
|
7
|
14
|
35
|
37
|
31
|
34
|
29
|
15
|
18
|
31
|
43
|
43
|
54
|
66
|
34
|
25
|
34
|
39
|
47
|
62
|
58
|
41
|
53
|
48
|
59
|
63
|
70
|
|
|
2025/10
|
19
|
18
|
22
|
26
|
27
|
18
|
23
|
36
|
44
|
42
|
36
|
27
|
21
|
19
|
19
|
27
|
33
|
34
|
33
|
25
|
31
|
26
|
25
|
34
|
40
|
48
|
49
|
43
|
52
|
56
|
35
|
|
2025/09
|
17
|
17
|
20
|
15
|
14
|
14
|
26
|
28
|
14
|
11
|
16
|
16
|
18
|
15
|
23
|
14
|
13
|
18
|
22
|
34
|
28
|
15
|
24
|
21
|
12
|
13
|
21
|
14
|
14
|
17
|
|
|
2025/08
|
12
|
20
|
22
|
29
|
18
|
12
|
17
|
26
|
25
|
21
|
18
|
27
|
20
|
17
|
20
|
18
|
16
|
11
|
15
|
17
|
25
|
18
|
21
|
20
|
9
|
16
|
18
|
23
|
18
|
15
|
17
|
|
2025/07
|
19
|
15
|
23
|
20
|
25
|
27
|
12
|
16
|
23
|
22
|
16
|
20
|
17
|
16
|
15
|
19
|
15
|
23
|
17
|
19
|
8
|
14
|
16
|
16
|
21
|
19
|
19
|
12
|
21
|
17
|
18
|
|
2025/06
|
20
|
24
|
17
|
30
|
18
|
16
|
17
|
23
|
22
|
26
|
18
|
16
|
13
|
11
|
17
|
16
|
19
|
20
|
17
|
25
|
22
|
17
|
22
|
19
|
16
|
26
|
13
|
18
|
13
|
14
|
|
|
2025/05
|
34
|
30
|
22
|
30
|
28
|
30
|
36
|
26
|
20
|
25
|
37
|
38
|
33
|
24
|
16
|
17
|
22
|
26
|
29
|
28
|
24
|
25
|
20
|
17
|
21
|
35
|
40
|
30
|
21
|
20
|
13
|
|
2025/04
|
41
|
57
|
57
|
43
|
70
|
75
|
63
|
41
|
33
|
36
|
36
|
48
|
141
|
153
|
110
|
94
|
79
|
63
|
36
|
26
|
29
|
25
|
27
|
44
|
23
|
28
|
21
|
25
|
37
|
29
|
|
|
2025/03
|
31
|
20
|
42
|
37
|
39
|
18
|
27
|
27
|
30
|
51
|
34
|
28
|
28
|
24
|
28
|
22
|
35
|
43
|
49
|
54
|
65
|
59
|
45
|
44
|
32
|
31
|
31
|
48
|
25
|
15
|
23
|
|
2025/02
|
39
|
51
|
14
|
27
|
56
|
68
|
23
|
38
|
62
|
75
|
92
|
45
|
52
|
44
|
58
|
50
|
57
|
48
|
60
|
43
|
74
|
91
|
31
|
35
|
129
|
59
|
52
|
33
|
|||
|
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