Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
59
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
51
Good
Thu
22 May
49
Excellent
Fri
23 May
50
Excellent
Sat
24 May
70
Good
Sun
25 May
82
Good
Mon
26 May
89
Good
Tue
27 May
27
Excellent
Air quality in the last 12 months (Shitai)
|
2025/04
|
39
|
52
|
66
|
58
|
66
|
59
|
57
|
57
|
60
|
54
|
46
|
163
|
116
|
103
|
46
|
44
|
58
|
61
|
65
|
61
|
33
|
27
|
46
|
43
|
47
|
45
|
24
|
45
|
54
|
49
|
|
|
2025/03
|
36
|
35
|
14
|
34
|
55
|
66
|
62
|
59
|
78
|
50
|
44
|
43
|
25
|
35
|
17
|
48
|
29
|
46
|
42
|
43
|
43
|
45
|
57
|
59
|
56
|
65
|
60
|
61
|
55
|
68
|
48
|
|
2025/02
|
45
|
39
|
84
|
63
|
43
|
45
|
77
|
42
|
35
|
46
|
71
|
91
|
87
|
79
|
78
|
66
|
72
|
44
|
50
|
42
|
28
|
41
|
71
|
90
|
82
|
78
|
55
|
35
|
|||
|
2025/01
|
88
|
94
|
148
|
102
|
96
|
69
|
62
|
54
|
54
|
39
|
55
|
74
|
73
|
81
|
72
|
46
|
52
|
58
|
68
|
95
|
97
|
94
|
160
|
78
|
38
|
37
|
45
|
61
|
147
|
86
|
72
|
|
2024/12
|
49
|
53
|
100
|
72
|
50
|
57
|
97
|
63
|
56
|
66
|
54
|
77
|
77
|
69
|
55
|
55
|
64
|
85
|
47
|
60
|
85
|
65
|
77
|
90
|
109
|
114
|
89
|
86
|
62
|
76
|
91
|
|
2024/11
|
20
|
36
|
38
|
49
|
48
|
45
|
37
|
40
|
46
|
38
|
38
|
43
|
43
|
45
|
45
|
47
|
16
|
24
|
35
|
45
|
42
|
48
|
59
|
47
|
33
|
36
|
46
|
55
|
46
|
45
|
|
|
2024/10
|
24
|
39
|
29
|
31
|
35
|
18
|
10
|
29
|
40
|
45
|
55
|
59
|
61
|
51
|
31
|
22
|
17
|
33
|
18
|
30
|
39
|
29
|
42
|
41
|
39
|
25
|
12
|
42
|
50
|
36
|
29
|
|
2024/09
|
38
|
41
|
37
|
41
|
39
|
30
|
41
|
48
|
38
|
37
|
19
|
15
|
29
|
33
|
30
|
24
|
25
|
26
|
30
|
20
|
19
|
29
|
31
|
33
|
41
|
52
|
31
|
27
|
36
|
40
|
|
|
2024/08
|
14
|
19
|
24
|
26
|
28
|
26
|
28
|
31
|
36
|
37
|
35
|
33
|
26
|
16
|
23
|
31
|
40
|
42
|
20
|
20
|
25
|
28
|
32
|
35
|
40
|
45
|
31
|
13
|
26
|
33
|
34
|
|
2024/07
|
10
|
11
|
15
|
18
|
17
|
18
|
19
|
19
|
24
|
26
|
29
|
29
|
17
|
15
|
30
|
30
|
20
|
16
|
18
|
20
|
22
|
27
|
32
|
33
|
22
|
18
|
12
|
12
|
16
|
23
|
23
|
|
2024/06
|
20
|
29
|
30
|
33
|
26
|
25
|
23
|
31
|
33
|
19
|
20
|
24
|
26
|
31
|
33
|
48
|
30
|
24
|
11
|
13
|
22
|
16
|
13
|
16
|
17
|
20
|
10
|
9
|
16
|
13
|
|
|
2024/05
|
21
|
31
|
37
|
23
|
17
|
21
|
34
|
52
|
52
|
54
|
38
|
69
|
68
|
48
|
56
|
50
|
51
|
53
|
58
|
57
|
29
|
24
|
33
|
25
|
27
|
20
|
16
|
19
|
30
|
26
|
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