Air Quality
Excellent
No health implications.
24
PM2.5
36
PM10
29
O3
0.8
CO
12
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
59
Good
Mon
23 Mar
46
Excellent
Tue
24 Mar
38
Excellent
Wed
25 Mar
37
Excellent
Thu
26 Mar
35
Excellent
Fri
27 Mar
17
Excellent
Sat
28 Mar
49
Excellent
Air quality in the last 12 months (Tongnan)
|
2026/02
|
58
|
91
|
106
|
83
|
90
|
87
|
88
|
62
|
55
|
60
|
76
|
74
|
82
|
86
|
79
|
56
|
111
|
83
|
91
|
91
|
75
|
90
|
91
|
45
|
54
|
41
|
54
|
29
|
|||
|
2026/01
|
30
|
30
|
42
|
50
|
62
|
53
|
67
|
95
|
108
|
126
|
192
|
171
|
115
|
124
|
150
|
167
|
172
|
184
|
62
|
24
|
35
|
48
|
57
|
61
|
84
|
82
|
76
|
87
|
88
|
29
|
47
|
|
2025/12
|
133
|
159
|
74
|
60
|
71
|
64
|
96
|
87
|
116
|
109
|
93
|
91
|
50
|
63
|
75
|
86
|
119
|
132
|
121
|
81
|
41
|
34
|
39
|
47
|
51
|
52
|
74
|
79
|
96
|
121
|
82
|
|
2025/11
|
39
|
37
|
54
|
50
|
51
|
37
|
26
|
29
|
22
|
21
|
31
|
40
|
50
|
38
|
32
|
37
|
27
|
28
|
46
|
57
|
70
|
90
|
85
|
71
|
66
|
62
|
93
|
92
|
87
|
126
|
|
|
2025/10
|
18
|
13
|
27
|
21
|
12
|
21
|
36
|
46
|
39
|
54
|
43
|
17
|
18
|
32
|
33
|
26
|
22
|
30
|
16
|
12
|
14
|
20
|
25
|
30
|
30
|
36
|
31
|
40
|
41
|
40
|
42
|
|
2025/09
|
47
|
45
|
34
|
40
|
29
|
25
|
31
|
23
|
25
|
35
|
31
|
10
|
16
|
28
|
46
|
48
|
21
|
21
|
11
|
21
|
16
|
13
|
14
|
18
|
28
|
33
|
31
|
17
|
13
|
25
|
|
|
2025/08
|
34
|
35
|
37
|
44
|
56
|
51
|
26
|
36
|
33
|
25
|
19
|
23
|
33
|
36
|
56
|
24
|
34
|
38
|
29
|
30
|
42
|
29
|
26
|
21
|
21
|
28
|
29
|
31
|
17
|
26
|
27
|
|
2025/07
|
19
|
13
|
14
|
21
|
14
|
25
|
21
|
18
|
11
|
20
|
19
|
15
|
21
|
22
|
24
|
24
|
25
|
21
|
23
|
16
|
15
|
16
|
14
|
16
|
18
|
21
|
23
|
39
|
44
|
40
|
30
|
|
2025/06
|
25
|
19
|
38
|
39
|
34
|
37
|
28
|
18
|
17
|
29
|
37
|
38
|
34
|
37
|
33
|
37
|
30
|
19
|
17
|
33
|
20
|
19
|
18
|
23
|
17
|
21
|
23
|
25
|
20
|
13
|
|
|
2025/05
|
52
|
65
|
76
|
52
|
41
|
69
|
58
|
33
|
73
|
70
|
61
|
80
|
57
|
82
|
114
|
99
|
77
|
88
|
80
|
75
|
77
|
59
|
65
|
63
|
51
|
44
|
31
|
20
|
32
|
34
|
28
|
|
2025/04
|
39
|
57
|
61
|
59
|
60
|
58
|
62
|
66
|
72
|
75
|
43
|
320
|
211
|
138
|
104
|
88
|
80
|
73
|
85
|
47
|
51
|
53
|
62
|
45
|
50
|
43
|
35
|
49
|
40
|
36
|
|
|
2025/03
|
88
|
63
|
23
|
24
|
20
|
18
|
30
|
44
|
59
|
63
|
54
|
63
|
55
|
47
|
35
|
36
|
28
|
34
|
45
|
53
|
61
|
95
|
89
|
68
|
65
|
74
|
137
|
69
|
17
|
22
|
24
|
|
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