Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
115
O3
0.6
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
57
Good
Wed
29 Jul
53
Good
Thu
30 Jul
51
Good
Fri
31 Jul
49
Excellent
Sat
1 Aug
47
Excellent
Sun
2 Aug
50
Excellent
Mon
3 Aug
37
Excellent
Air quality in the last 12 months (Tongnan)
|
2026/06
|
35
|
33
|
39
|
50
|
57
|
57
|
35
|
27
|
25
|
32
|
41
|
35
|
41
|
48
|
63
|
74
|
31
|
23
|
30
|
39
|
19
|
16
|
14
|
13
|
14
|
18
|
21
|
29
|
24
|
27
|
|
|
2026/05
|
58
|
40
|
52
|
50
|
65
|
81
|
46
|
34
|
43
|
53
|
69
|
79
|
53
|
80
|
70
|
38
|
34
|
19
|
31
|
31
|
39
|
29
|
24
|
25
|
27
|
24
|
27
|
27
|
30
|
28
|
34
|
|
2026/04
|
38
|
33
|
34
|
57
|
67
|
46
|
24
|
30
|
35
|
38
|
36
|
31
|
33
|
32
|
31
|
34
|
41
|
49
|
60
|
92
|
25
|
25
|
43
|
50
|
68
|
71
|
41
|
27
|
28
|
37
|
|
|
2026/03
|
27
|
29
|
42
|
34
|
46
|
57
|
41
|
41
|
29
|
32
|
40
|
52
|
62
|
32
|
32
|
24
|
26
|
29
|
38
|
34
|
39
|
43
|
41
|
29
|
37
|
32
|
47
|
40
|
41
|
30
|
28
|
|
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
|
|
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