Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
62
*
PM2.5
82
PM10
31
O3
0.7
CO
14
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
80
Good
Sun
28 Apr
84
Good
Mon
29 Apr
54
Good
Tue
30 Apr
44
Excellent
Wed
1 May
39
Excellent
Thu
2 May
41
Excellent
Fri
3 May
42
Excellent
Air quality in the last 12 months (Tongnan)
|
2024/02
|
125
|
115
|
40
|
41
|
43
|
57
|
64
|
52
|
67
|
204
|
140
|
133
|
152
|
123
|
39
|
46
|
67
|
66
|
159
|
272
|
33
|
20
|
28
|
35
|
48
|
57
|
75
|
76
|
66
|
||
|
2024/01
|
152
|
115
|
75
|
89
|
117
|
137
|
129
|
114
|
96
|
111
|
118
|
118
|
144
|
150
|
141
|
52
|
49
|
54
|
53
|
41
|
36
|
29
|
43
|
48
|
52
|
57
|
65
|
72
|
95
|
107
|
136
|
|
2023/12
|
38
|
47
|
60
|
63
|
60
|
83
|
92
|
98
|
118
|
135
|
66
|
43
|
52
|
55
|
45
|
56
|
60
|
69
|
73
|
81
|
95
|
104
|
101
|
90
|
121
|
120
|
124
|
163
|
192
|
205
|
125
|
|
2023/11
|
65
|
62
|
55
|
38
|
43
|
52
|
55
|
58
|
65
|
75
|
38
|
24
|
25
|
35
|
33
|
52
|
59
|
67
|
77
|
75
|
92
|
124
|
120
|
158
|
100
|
40
|
57
|
68
|
70
|
48
|
|
|
2023/10
|
41
|
21
|
32
|
23
|
18
|
19
|
26
|
45
|
36
|
29
|
37
|
35
|
37
|
45
|
66
|
66
|
58
|
51
|
27
|
40
|
58
|
74
|
72
|
90
|
103
|
77
|
26
|
35
|
53
|
56
|
57
|
|
2023/09
|
65
|
65
|
81
|
86
|
87
|
60
|
54
|
56
|
53
|
79
|
46
|
21
|
24
|
36
|
49
|
61
|
70
|
49
|
28
|
21
|
25
|
21
|
20
|
20
|
20
|
23
|
27
|
29
|
28
|
41
|
|
|
2023/08
|
33
|
30
|
30
|
40
|
43
|
35
|
32
|
41
|
47
|
41
|
39
|
28
|
32
|
46
|
45
|
59
|
58
|
63
|
45
|
50
|
34
|
42
|
67
|
42
|
25
|
20
|
26
|
26
|
39
|
32
|
49
|
|
2023/07
|
40
|
25
|
21
|
26
|
40
|
36
|
50
|
55
|
54
|
50
|
45
|
48
|
38
|
31
|
47
|
52
|
53
|
51
|
40
|
33
|
24
|
29
|
38
|
39
|
27
|
33
|
27
|
26
|
28
|
37
|
46
|
|
2023/06
|
24
|
20
|
18
|
13
|
23
|
40
|
31
|
50
|
60
|
55
|
46
|
44
|
44
|
44
|
37
|
28
|
30
|
30
|
46
|
51
|
31
|
33
|
37
|
38
|
37
|
50
|
46
|
28
|
28
|
42
|
|
|
2023/05
|
70
|
52
|
48
|
47
|
56
|
37
|
22
|
25
|
30
|
26
|
41
|
46
|
57
|
68
|
85
|
68
|
53
|
46
|
50
|
65
|
48
|
29
|
37
|
45
|
52
|
31
|
45
|
58
|
37
|
42
|
37
|
|
2023/04
|
53
|
52
|
28
|
30
|
28
|
69
|
81
|
80
|
71
|
72
|
59
|
54
|
55
|
49
|
61
|
61
|
66
|
46
|
59
|
50
|
50
|
16
|
20
|
22
|
30
|
47
|
46
|
50
|
67
|
74
|
|
|
2023/03
|
77
|
100
|
85
|
81
|
86
|
75
|
82
|
77
|
87
|
55
|
50
|
59
|
46
|
58
|
68
|
43
|
30
|
37
|
41
|
40
|
42
|
75
|
30
|
19
|
23
|
31
|
27
|
36
|
47
|
51
|
48
|
|
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