Air Quality
Excellent
No health implications.
18
PM2.5
30
PM10
109
O3
0.4
CO
12
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
85
Good
Thu
21 Aug
75
Good
Fri
22 Aug
73
Good
Sat
23 Aug
57
Good
Sun
24 Aug
57
Good
Mon
25 Aug
71
Good
Tue
26 Aug
39
Excellent
Air quality in the last 12 months (Tongguan)
|
2025/06
|
15
|
19
|
46
|
54
|
56
|
45
|
33
|
19
|
45
|
37
|
36
|
38
|
57
|
40
|
26
|
49
|
50
|
27
|
16
|
30
|
19
|
19
|
27
|
42
|
51
|
50
|
30
|
19
|
32
|
29
|
|
|
2025/05
|
55
|
57
|
57
|
47
|
47
|
144
|
125
|
57
|
27
|
40
|
48
|
54
|
46
|
62
|
59
|
34
|
49
|
95
|
64
|
39
|
32
|
37
|
42
|
72
|
62
|
63
|
67
|
64
|
47
|
33
|
29
|
|
2025/04
|
47
|
71
|
64
|
73
|
82
|
68
|
68
|
65
|
71
|
65
|
64
|
208
|
124
|
100
|
54
|
58
|
67
|
70
|
80
|
68
|
58
|
54
|
69
|
72
|
62
|
51
|
44
|
65
|
71
|
60
|
|
|
2025/03
|
47
|
41
|
27
|
52
|
66
|
69
|
67
|
74
|
90
|
79
|
54
|
69
|
52
|
47
|
37
|
56
|
39
|
56
|
55
|
57
|
57
|
63
|
73
|
66
|
65
|
70
|
85
|
78
|
84
|
84
|
54
|
|
2025/02
|
58
|
69
|
108
|
95
|
58
|
60
|
98
|
44
|
44
|
53
|
74
|
105
|
74
|
92
|
118
|
95
|
83
|
52
|
68
|
64
|
42
|
62
|
91
|
97
|
87
|
130
|
88
|
59
|
|||
|
2025/01
|
105
|
133
|
179
|
124
|
121
|
86
|
58
|
69
|
60
|
51
|
70
|
82
|
80
|
105
|
80
|
62
|
72
|
86
|
88
|
136
|
134
|
161
|
189
|
72
|
48
|
56
|
53
|
83
|
113
|
85
|
100
|
|
2024/12
|
62
|
68
|
119
|
71
|
76
|
97
|
135
|
63
|
64
|
73
|
86
|
104
|
91
|
75
|
69
|
70
|
87
|
107
|
49
|
74
|
111
|
65
|
78
|
90
|
120
|
148
|
88
|
108
|
73
|
106
|
97
|
|
2024/11
|
34
|
63
|
53
|
69
|
50
|
51
|
46
|
49
|
58
|
51
|
57
|
62
|
55
|
80
|
89
|
89
|
31
|
32
|
39
|
51
|
54
|
68
|
60
|
54
|
48
|
49
|
69
|
69
|
55
|
60
|
|
|
2024/10
|
35
|
40
|
37
|
42
|
38
|
27
|
15
|
45
|
50
|
60
|
61
|
68
|
66
|
54
|
50
|
45
|
33
|
47
|
32
|
45
|
56
|
44
|
60
|
57
|
54
|
29
|
23
|
66
|
72
|
52
|
45
|
|
2024/09
|
49
|
57
|
51
|
52
|
49
|
41
|
53
|
52
|
37
|
38
|
25
|
22
|
42
|
54
|
42
|
40
|
35
|
39
|
39
|
32
|
38
|
35
|
41
|
45
|
51
|
70
|
32
|
44
|
45
|
49
|
|
|
2024/08
|
24
|
29
|
36
|
42
|
40
|
39
|
37
|
41
|
47
|
49
|
48
|
46
|
43
|
26
|
39
|
46
|
48
|
51
|
49
|
26
|
48
|
44
|
49
|
55
|
49
|
56
|
35
|
22
|
42
|
46
|
48
|
|
2024/07
|
22
|
22
|
36
|
30
|
25
|
28
|
27
|
27
|
36
|
38
|
43
|
46
|
25
|
18
|
41
|
49
|
36
|
31
|
28
|
23
|
34
|
37
|
49
|
47
|
36
|
31
|
20
|
17
|
31
|
32
|
38
|
|
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