Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
4
O3
0.6
CO
5
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
67
Good
Mon
17 Feb
69
Good
Tue
18 Feb
66
Good
Wed
19 Feb
69
Good
Thu
20 Feb
60
Good
Fri
21 Feb
44
Excellent
Sat
22 Feb
41
Excellent
Air quality in the last 12 months (Shizhu)
|
2025/01
|
117
|
126
|
144
|
120
|
75
|
77
|
58
|
52
|
54
|
62
|
67
|
75
|
88
|
91
|
67
|
69
|
77
|
86
|
99
|
114
|
140
|
185
|
177
|
83
|
24
|
30
|
56
|
84
|
176
|
101
|
89
|
|
2024/12
|
69
|
95
|
87
|
60
|
32
|
40
|
39
|
40
|
47
|
41
|
46
|
45
|
58
|
62
|
65
|
71
|
88
|
89
|
73
|
96
|
124
|
69
|
76
|
87
|
98
|
100
|
96
|
91
|
99
|
113
|
113
|
|
2024/11
|
74
|
68
|
74
|
62
|
40
|
50
|
60
|
68
|
41
|
39
|
51
|
54
|
51
|
49
|
46
|
48
|
23
|
24
|
23
|
26
|
29
|
35
|
34
|
31
|
26
|
33
|
37
|
46
|
56
|
74
|
|
|
2024/10
|
24
|
32
|
39
|
46
|
52
|
52
|
44
|
38
|
53
|
77
|
71
|
51
|
39
|
41
|
45
|
46
|
24
|
27
|
33
|
21
|
19
|
26
|
37
|
42
|
49
|
65
|
69
|
62
|
54
|
58
|
68
|
|
2024/09
|
37
|
37
|
34
|
34
|
42
|
45
|
45
|
32
|
26
|
32
|
43
|
38
|
35
|
31
|
32
|
31
|
29
|
29
|
30
|
37
|
39
|
38
|
41
|
45
|
58
|
62
|
52
|
49
|
52
|
32
|
|
|
2024/08
|
22
|
19
|
19
|
21
|
20
|
22
|
23
|
25
|
33
|
33
|
51
|
54
|
40
|
36
|
40
|
43
|
45
|
36
|
37
|
36
|
32
|
35
|
32
|
28
|
26
|
29
|
31
|
26
|
26
|
26
|
28
|
|
2024/07
|
35
|
32
|
28
|
20
|
26
|
25
|
22
|
27
|
24
|
25
|
19
|
19
|
20
|
23
|
23
|
25
|
29
|
28
|
22
|
20
|
20
|
22
|
22
|
22
|
29
|
35
|
28
|
34
|
24
|
17
|
23
|
|
2024/06
|
38
|
36
|
36
|
28
|
23
|
26
|
26
|
34
|
28
|
32
|
31
|
31
|
39
|
42
|
43
|
41
|
25
|
22
|
21
|
19
|
19
|
22
|
33
|
46
|
38
|
27
|
22
|
13
|
23
|
32
|
|
|
2024/05
|
27
|
31
|
25
|
27
|
31
|
38
|
47
|
41
|
44
|
42
|
35
|
46
|
54
|
50
|
41
|
50
|
57
|
55
|
34
|
27
|
32
|
35
|
31
|
36
|
35
|
34
|
24
|
40
|
31
|
22
|
34
|
|
2024/04
|
40
|
38
|
28
|
32
|
33
|
28
|
30
|
29
|
35
|
45
|
42
|
39
|
34
|
40
|
50
|
39
|
26
|
29
|
25
|
40
|
50
|
46
|
37
|
43
|
39
|
40
|
42
|
33
|
30
|
21
|
|
|
2024/03
|
72
|
68
|
68
|
61
|
78
|
74
|
59
|
64
|
70
|
84
|
81
|
67
|
67
|
68
|
64
|
57
|
54
|
31
|
38
|
58
|
60
|
60
|
59
|
53
|
34
|
31
|
30
|
42
|
46
|
47
|
40
|
|
2024/02
|
74
|
43
|
35
|
32
|
37
|
43
|
51
|
65
|
99
|
182
|
96
|
77
|
75
|
92
|
66
|
40
|
44
|
62
|
70
|
51
|
31
|
32
|
31
|
43
|
49
|
56
|
63
|
65
|
73
|
||
|
1
|
2
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3
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4
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5
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6
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7
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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