Air Quality
Excellent
No health implications.
9
PM2.5
24
PM10
140
O3
0.5
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
77
Good
Sun
27 Jul
78
Good
Mon
28 Jul
72
Good
Tue
29 Jul
78
Good
Wed
30 Jul
81
Good
Thu
31 Jul
65
Good
Fri
1 Aug
43
Excellent
Air quality in the last 12 months (Tongxin)
|
2025/06
|
47
|
47
|
30
|
41
|
36
|
49
|
56
|
51
|
56
|
44
|
52
|
73
|
82
|
94
|
66
|
58
|
52
|
53
|
41
|
30
|
41
|
36
|
25
|
27
|
31
|
22
|
28
|
33
|
59
|
19
|
|
|
2025/05
|
114
|
160
|
81
|
180
|
315
|
171
|
94
|
148
|
95
|
48
|
47
|
61
|
101
|
64
|
54
|
136
|
271
|
71
|
63
|
61
|
189
|
126
|
34
|
44
|
50
|
44
|
40
|
39
|
51
|
110
|
49
|
|
2025/04
|
98
|
88
|
129
|
125
|
77
|
107
|
87
|
169
|
115
|
80
|
274
|
330
|
171
|
46
|
147
|
221
|
120
|
255
|
156
|
168
|
224
|
97
|
66
|
64
|
67
|
57
|
58
|
53
|
110
|
332
|
|
|
2025/03
|
92
|
40
|
43
|
55
|
53
|
45
|
78
|
80
|
201
|
89
|
237
|
99
|
112
|
66
|
47
|
47
|
39
|
31
|
48
|
66
|
66
|
77
|
276
|
300
|
265
|
424
|
126
|
117
|
57
|
69
|
61
|
|
2025/02
|
61
|
44
|
34
|
43
|
38
|
80
|
65
|
53
|
57
|
57
|
116
|
72
|
66
|
56
|
70
|
120
|
83
|
79
|
51
|
70
|
71
|
50
|
37
|
54
|
67
|
63
|
67
|
74
|
|||
|
2025/01
|
63
|
65
|
75
|
114
|
66
|
50
|
58
|
45
|
59
|
62
|
96
|
167
|
319
|
48
|
52
|
54
|
67
|
61
|
60
|
58
|
87
|
77
|
124
|
150
|
102
|
94
|
68
|
75
|
86
|
72
|
59
|
|
2024/12
|
41
|
52
|
61
|
44
|
45
|
43
|
43
|
45
|
59
|
64
|
73
|
56
|
65
|
51
|
71
|
87
|
88
|
61
|
53
|
50
|
48
|
51
|
65
|
93
|
78
|
71
|
34
|
57
|
72
|
59
|
61
|
|
2024/11
|
41
|
40
|
56
|
56
|
66
|
71
|
72
|
52
|
61
|
58
|
54
|
59
|
57
|
54
|
94
|
37
|
43
|
27
|
46
|
53
|
62
|
60
|
70
|
51
|
54
|
78
|
81
|
55
|
35
|
43
|
|
|
2024/10
|
44
|
37
|
38
|
26
|
35
|
50
|
50
|
51
|
59
|
55
|
50
|
37
|
41
|
53
|
59
|
56
|
42
|
40
|
25
|
50
|
34
|
32
|
42
|
42
|
59
|
48
|
42
|
45
|
53
|
41
|
52
|
|
2024/09
|
52
|
36
|
35
|
72
|
23
|
17
|
26
|
37
|
33
|
30
|
25
|
34
|
24
|
32
|
23
|
23
|
43
|
45
|
87
|
43
|
37
|
38
|
46
|
60
|
49
|
50
|
59
|
77
|
40
|
36
|
|
|
2024/08
|
38
|
28
|
30
|
32
|
33
|
19
|
16
|
17
|
182
|
171
|
48
|
45
|
42
|
29
|
52
|
42
|
30
|
31
|
31
|
33
|
37
|
45
|
47
|
47
|
39
|
20
|
24
|
34
|
38
|
40
|
77
|
|
2024/07
|
29
|
30
|
33
|
93
|
59
|
59
|
29
|
43
|
39
|
36
|
43
|
74
|
51
|
31
|
31
|
25
|
33
|
39
|
23
|
96
|
176
|
67
|
67
|
189
|
63
|
44
|
40
|
35
|
34
|
46
|
54
|
|
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