Air Quality
Excellent
No health implications.
26
PM2.5
42
PM10
39
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
39
Excellent
Tue
19 May
54
Good
Wed
20 May
60
Good
Thu
21 May
46
Excellent
Fri
22 May
41
Excellent
Sat
23 May
20
Excellent
Sun
24 May
24
Excellent
Air quality in the last 12 months (Tongzi)
|
2026/04
|
29
|
35
|
33
|
38
|
40
|
42
|
26
|
38
|
43
|
47
|
30
|
35
|
28
|
30
|
28
|
28
|
34
|
34
|
46
|
45
|
34
|
24
|
34
|
36
|
43
|
46
|
28
|
24
|
28
|
35
|
|
|
2026/03
|
24
|
30
|
23
|
29
|
37
|
39
|
26
|
19
|
20
|
24
|
41
|
42
|
48
|
51
|
15
|
22
|
20
|
21
|
26
|
23
|
31
|
34
|
27
|
24
|
29
|
28
|
40
|
30
|
34
|
33
|
26
|
|
2026/02
|
32
|
52
|
55
|
61
|
64
|
73
|
64
|
45
|
38
|
41
|
46
|
57
|
66
|
69
|
72
|
63
|
92
|
75
|
65
|
60
|
68
|
71
|
58
|
42
|
37
|
43
|
26
|
17
|
|||
|
2026/01
|
30
|
35
|
34
|
42
|
53
|
60
|
76
|
71
|
95
|
130
|
99
|
104
|
101
|
136
|
121
|
144
|
153
|
124
|
95
|
21
|
24
|
53
|
63
|
71
|
49
|
43
|
54
|
56
|
51
|
29
|
27
|
|
2025/12
|
112
|
128
|
70
|
55
|
59
|
77
|
62
|
62
|
76
|
70
|
71
|
82
|
38
|
44
|
55
|
78
|
68
|
85
|
91
|
61
|
66
|
50
|
33
|
43
|
46
|
50
|
63
|
86
|
89
|
75
|
33
|
|
2025/11
|
19
|
21
|
19
|
18
|
19
|
21
|
14
|
12
|
13
|
15
|
25
|
27
|
29
|
39
|
37
|
52
|
26
|
17
|
26
|
34
|
46
|
65
|
43
|
46
|
53
|
59
|
62
|
80
|
85
|
101
|
|
|
2025/10
|
27
|
25
|
29
|
24
|
24
|
23
|
26
|
21
|
18
|
23
|
28
|
34
|
16
|
21
|
18
|
18
|
21
|
11
|
11
|
11
|
10
|
14
|
18
|
27
|
36
|
29
|
21
|
27
|
31
|
25
|
26
|
|
2025/09
|
46
|
39
|
38
|
30
|
34
|
25
|
39
|
31
|
25
|
28
|
29
|
32
|
21
|
24
|
29
|
27
|
36
|
28
|
28
|
27
|
20
|
19
|
22
|
19
|
26
|
20
|
23
|
30
|
34
|
40
|
|
|
2025/08
|
29
|
32
|
34
|
32
|
41
|
29
|
33
|
27
|
27
|
27
|
17
|
20
|
27
|
26
|
20
|
19
|
23
|
26
|
20
|
19
|
24
|
18
|
23
|
26
|
24
|
26
|
25
|
25
|
43
|
46
|
41
|
|
2025/07
|
25
|
19
|
21
|
20
|
25
|
30
|
28
|
34
|
26
|
24
|
27
|
31
|
33
|
31
|
32
|
32
|
31
|
34
|
29
|
29
|
27
|
27
|
22
|
19
|
21
|
26
|
27
|
29
|
27
|
30
|
28
|
|
2025/06
|
18
|
19
|
24
|
27
|
27
|
39
|
42
|
41
|
29
|
29
|
37
|
33
|
34
|
33
|
32
|
29
|
27
|
23
|
18
|
22
|
27
|
19
|
23
|
22
|
20
|
21
|
23
|
22
|
23
|
26
|
|
|
2025/05
|
36
|
51
|
51
|
39
|
35
|
31
|
30
|
21
|
31
|
35
|
39
|
33
|
50
|
49
|
44
|
48
|
38
|
40
|
44
|
46
|
28
|
19
|
31
|
43
|
38
|
41
|
21
|
17
|
21
|
23
|
19
|
|
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