Air Quality
Excellent
No health implications.
29
PM2.5
48
PM10
70
O3
0.3
CO
11
SO2
42
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
107
Light
Wed
13 Aug
113
Light
Thu
14 Aug
91
Good
Fri
15 Aug
58
Good
Sat
16 Aug
60
Good
Sun
17 Aug
28
Excellent
Mon
18 Aug
20
Excellent
Air quality in the last 12 months (Zhangdian)
|
2025/06
|
53
|
51
|
50
|
35
|
56
|
50
|
65
|
63
|
63
|
40
|
45
|
49
|
47
|
59
|
35
|
25
|
35
|
42
|
22
|
36
|
38
|
39
|
36
|
42
|
55
|
56
|
53
|
43
|
32
|
20
|
|
|
2025/05
|
57
|
64
|
50
|
59
|
56
|
52
|
71
|
61
|
31
|
35
|
50
|
56
|
61
|
60
|
51
|
75
|
74
|
61
|
88
|
70
|
66
|
66
|
46
|
60
|
50
|
53
|
51
|
50
|
49
|
49
|
56
|
|
2025/04
|
69
|
33
|
52
|
77
|
52
|
59
|
94
|
112
|
65
|
87
|
72
|
112
|
50
|
59
|
51
|
80
|
118
|
70
|
36
|
61
|
63
|
83
|
74
|
64
|
75
|
74
|
59
|
66
|
67
|
93
|
|
|
2025/03
|
91
|
34
|
39
|
62
|
123
|
106
|
76
|
100
|
108
|
94
|
98
|
125
|
72
|
61
|
65
|
44
|
47
|
30
|
51
|
58
|
57
|
66
|
98
|
108
|
140
|
95
|
88
|
65
|
48
|
56
|
72
|
|
2025/02
|
69
|
121
|
44
|
29
|
39
|
62
|
39
|
23
|
46
|
76
|
82
|
78
|
65
|
75
|
90
|
81
|
57
|
62
|
63
|
67
|
59
|
46
|
57
|
48
|
66
|
91
|
105
|
134
|
|||
|
2025/01
|
119
|
66
|
74
|
132
|
150
|
45
|
48
|
37
|
31
|
53
|
73
|
112
|
88
|
105
|
36
|
56
|
71
|
98
|
109
|
79
|
124
|
71
|
147
|
223
|
80
|
77
|
33
|
56
|
128
|
115
|
98
|
|
2024/12
|
96
|
64
|
54
|
97
|
113
|
104
|
33
|
58
|
85
|
136
|
61
|
68
|
68
|
64
|
71
|
82
|
97
|
46
|
64
|
89
|
45
|
57
|
75
|
137
|
157
|
57
|
59
|
62
|
70
|
95
|
71
|
|
2024/11
|
110
|
94
|
85
|
42
|
56
|
68
|
60
|
60
|
77
|
84
|
135
|
194
|
154
|
85
|
114
|
99
|
49
|
43
|
49
|
74
|
95
|
76
|
46
|
72
|
54
|
29
|
36
|
46
|
58
|
63
|
|
|
2024/10
|
32
|
24
|
47
|
65
|
71
|
73
|
53
|
54
|
76
|
111
|
72
|
80
|
91
|
85
|
95
|
81
|
74
|
19
|
37
|
37
|
76
|
72
|
47
|
75
|
104
|
124
|
123
|
59
|
89
|
148
|
195
|
|
2024/09
|
41
|
23
|
35
|
49
|
37
|
23
|
46
|
58
|
40
|
48
|
27
|
37
|
46
|
31
|
26
|
37
|
44
|
41
|
45
|
30
|
14
|
31
|
40
|
54
|
75
|
86
|
47
|
60
|
56
|
37
|
|
|
2024/08
|
23
|
24
|
31
|
22
|
16
|
25
|
40
|
31
|
36
|
43
|
63
|
32
|
33
|
35
|
43
|
33
|
50
|
41
|
31
|
30
|
45
|
51
|
59
|
58
|
60
|
40
|
18
|
31
|
53
|
52
|
65
|
|
2024/07
|
42
|
48
|
40
|
32
|
23
|
18
|
30
|
36
|
57
|
66
|
69
|
67
|
72
|
51
|
50
|
19
|
42
|
58
|
31
|
17
|
27
|
29
|
36
|
36
|
34
|
17
|
14
|
11
|
26
|
22
|
22
|
|
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