Air Quality
Excellent
No health implications.
20
PM2.5
32
PM10
78
O3
0.5
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
50
Excellent
Sat
19 Jul
48
Excellent
Sun
20 Jul
46
Excellent
Mon
21 Jul
48
Excellent
Tue
22 Jul
47
Excellent
Wed
23 Jul
48
Excellent
Thu
24 Jul
35
Excellent
Air quality in the last 12 months (Taihe)
|
2025/06
|
18
|
16
|
23
|
28
|
31
|
24
|
30
|
21
|
23
|
28
|
22
|
21
|
31
|
16
|
15
|
20
|
15
|
14
|
15
|
15
|
16
|
16
|
21
|
21
|
34
|
23
|
14
|
18
|
15
|
13
|
|
|
2025/05
|
45
|
51
|
56
|
43
|
24
|
29
|
55
|
37
|
24
|
41
|
38
|
37
|
36
|
37
|
33
|
20
|
25
|
17
|
16
|
20
|
21
|
25
|
21
|
45
|
49
|
49
|
48
|
21
|
17
|
21
|
20
|
|
2025/04
|
44
|
43
|
48
|
57
|
60
|
59
|
57
|
56
|
54
|
53
|
46
|
133
|
165
|
115
|
73
|
59
|
68
|
60
|
26
|
23
|
32
|
25
|
28
|
33
|
26
|
20
|
16
|
34
|
52
|
50
|
|
|
2025/03
|
29
|
26
|
33
|
18
|
26
|
34
|
44
|
38
|
45
|
32
|
38
|
51
|
29
|
17
|
18
|
35
|
49
|
38
|
40
|
38
|
41
|
47
|
52
|
57
|
61
|
59
|
54
|
78
|
50
|
23
|
38
|
|
2025/02
|
28
|
18
|
36
|
49
|
47
|
53
|
52
|
58
|
35
|
44
|
55
|
62
|
67
|
70
|
58
|
37
|
48
|
48
|
35
|
20
|
28
|
20
|
30
|
42
|
58
|
62
|
48
|
42
|
|||
|
2025/01
|
99
|
79
|
85
|
103
|
120
|
107
|
70
|
66
|
63
|
41
|
42
|
53
|
60
|
57
|
67
|
58
|
53
|
56
|
59
|
60
|
62
|
62
|
58
|
82
|
55
|
20
|
48
|
58
|
91
|
63
|
53
|
|
2024/12
|
49
|
52
|
54
|
81
|
78
|
44
|
50
|
69
|
64
|
66
|
41
|
54
|
68
|
60
|
54
|
52
|
54
|
63
|
68
|
68
|
78
|
84
|
74
|
77
|
91
|
84
|
98
|
89
|
73
|
72
|
83
|
|
2024/11
|
33
|
43
|
50
|
59
|
64
|
50
|
46
|
45
|
50
|
49
|
45
|
49
|
55
|
56
|
32
|
29
|
39
|
29
|
40
|
44
|
45
|
40
|
49
|
63
|
56
|
29
|
42
|
38
|
45
|
46
|
|
|
2024/10
|
42
|
42
|
41
|
34
|
39
|
42
|
50
|
35
|
38
|
45
|
55
|
56
|
66
|
87
|
84
|
36
|
36
|
45
|
30
|
31
|
39
|
43
|
36
|
41
|
54
|
54
|
29
|
24
|
50
|
53
|
44
|
|
2024/09
|
44
|
49
|
46
|
42
|
43
|
30
|
22
|
25
|
24
|
32
|
40
|
36
|
44
|
44
|
40
|
36
|
37
|
44
|
37
|
24
|
31
|
38
|
38
|
39
|
38
|
33
|
48
|
48
|
37
|
38
|
|
|
2024/08
|
21
|
27
|
30
|
40
|
25
|
28
|
28
|
30
|
35
|
38
|
37
|
25
|
24
|
25
|
33
|
30
|
19
|
22
|
26
|
29
|
24
|
21
|
29
|
32
|
31
|
30
|
36
|
30
|
28
|
39
|
46
|
|
2024/07
|
22
|
20
|
22
|
18
|
21
|
23
|
19
|
21
|
29
|
31
|
32
|
30
|
25
|
22
|
24
|
20
|
16
|
17
|
20
|
18
|
20
|
25
|
28
|
39
|
37
|
24
|
17
|
14
|
17
|
19
|
17
|
|
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