Air Quality
Excellent
No health implications.
8
PM2.5
34
PM10
128
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
89
Good
Mon
28 Jul
101
Light
Tue
29 Jul
112
Light
Wed
30 Jul
118
Light
Thu
31 Jul
98
Good
Fri
1 Aug
72
Good
Sat
2 Aug
33
Excellent
Air quality in the last 12 months (Chenghua)
|
2025/06
|
37
|
30
|
47
|
54
|
57
|
63
|
53
|
55
|
44
|
40
|
43
|
50
|
47
|
57
|
39
|
41
|
51
|
21
|
27
|
42
|
27
|
30
|
34
|
19
|
24
|
30
|
41
|
49
|
32
|
19
|
|
|
2025/05
|
46
|
61
|
67
|
57
|
33
|
33
|
34
|
38
|
194
|
87
|
63
|
64
|
49
|
77
|
61
|
60
|
76
|
116
|
62
|
65
|
79
|
63
|
64
|
54
|
50
|
59
|
38
|
30
|
43
|
42
|
31
|
|
2025/04
|
64
|
55
|
65
|
79
|
42
|
48
|
59
|
66
|
69
|
69
|
67
|
161
|
146
|
91
|
99
|
95
|
68
|
72
|
58
|
64
|
70
|
66
|
76
|
37
|
40
|
45
|
40
|
53
|
33
|
38
|
|
|
2025/03
|
89
|
84
|
48
|
32
|
38
|
30
|
41
|
40
|
58
|
70
|
75
|
86
|
62
|
56
|
34
|
44
|
43
|
43
|
58
|
61
|
62
|
71
|
67
|
52
|
60
|
82
|
144
|
81
|
59
|
46
|
41
|
|
2025/02
|
41
|
47
|
49
|
53
|
44
|
36
|
42
|
34
|
43
|
54
|
80
|
71
|
58
|
57
|
42
|
63
|
61
|
71
|
52
|
57
|
48
|
33
|
45
|
31
|
26
|
45
|
78
|
83
|
|||
|
2025/01
|
129
|
116
|
140
|
140
|
90
|
84
|
61
|
49
|
54
|
57
|
42
|
76
|
92
|
66
|
65
|
70
|
87
|
61
|
79
|
92
|
125
|
157
|
220
|
87
|
37
|
66
|
76
|
81
|
236
|
102
|
60
|
|
2024/12
|
78
|
115
|
109
|
72
|
52
|
38
|
33
|
22
|
30
|
52
|
59
|
61
|
47
|
49
|
64
|
71
|
109
|
149
|
106
|
94
|
89
|
60
|
44
|
64
|
76
|
81
|
109
|
92
|
68
|
70
|
70
|
|
2024/11
|
39
|
41
|
44
|
32
|
38
|
48
|
57
|
90
|
55
|
31
|
43
|
39
|
28
|
57
|
67
|
35
|
25
|
12
|
15
|
24
|
37
|
46
|
52
|
43
|
21
|
37
|
40
|
56
|
57
|
64
|
|
|
2024/10
|
24
|
32
|
24
|
28
|
37
|
53
|
37
|
39
|
62
|
45
|
30
|
38
|
48
|
60
|
68
|
64
|
26
|
37
|
27
|
11
|
17
|
35
|
51
|
65
|
51
|
34
|
32
|
37
|
67
|
53
|
46
|
|
2024/09
|
35
|
46
|
31
|
41
|
28
|
39
|
33
|
37
|
36
|
18
|
24
|
30
|
35
|
27
|
19
|
37
|
33
|
45
|
47
|
47
|
19
|
29
|
36
|
51
|
73
|
74
|
77
|
89
|
40
|
15
|
|
|
2024/08
|
38
|
37
|
30
|
16
|
24
|
32
|
27
|
35
|
39
|
35
|
50
|
57
|
54
|
59
|
37
|
45
|
42
|
40
|
33
|
47
|
66
|
66
|
58
|
38
|
53
|
43
|
49
|
51
|
37
|
37
|
34
|
|
2024/07
|
22
|
32
|
19
|
20
|
40
|
41
|
38
|
15
|
11
|
19
|
28
|
28
|
19
|
13
|
14
|
21
|
21
|
18
|
22
|
19
|
24
|
25
|
33
|
29
|
41
|
57
|
54
|
29
|
24
|
27
|
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