Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
28
O3
0.3
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
32
Excellent
Tue
26 May
38
Excellent
Wed
27 May
38
Excellent
Thu
28 May
34
Excellent
Fri
29 May
33
Excellent
Sat
30 May
43
Excellent
Sun
31 May
34
Excellent
Air quality in the last 12 months (Tongchuan)
|
2026/04
|
37
|
34
|
41
|
61
|
69
|
71
|
33
|
31
|
36
|
37
|
27
|
29
|
23
|
20
|
20
|
33
|
52
|
55
|
50
|
63
|
20
|
21
|
32
|
41
|
55
|
75
|
53
|
25
|
34
|
42
|
|
|
2026/03
|
13
|
21
|
28
|
47
|
41
|
46
|
49
|
32
|
33
|
39
|
44
|
52
|
53
|
49
|
18
|
23
|
19
|
22
|
27
|
36
|
37
|
45
|
32
|
22
|
30
|
44
|
48
|
45
|
30
|
20
|
26
|
|
2026/02
|
56
|
66
|
90
|
97
|
120
|
86
|
65
|
58
|
50
|
61
|
61
|
69
|
96
|
87
|
64
|
30
|
58
|
62
|
69
|
71
|
70
|
72
|
56
|
37
|
41
|
31
|
27
|
19
|
|||
|
2026/01
|
22
|
29
|
46
|
72
|
74
|
85
|
95
|
114
|
110
|
106
|
154
|
176
|
154
|
160
|
166
|
141
|
171
|
154
|
47
|
30
|
46
|
63
|
79
|
73
|
79
|
80
|
62
|
66
|
49
|
18
|
36
|
|
2025/12
|
107
|
130
|
60
|
69
|
67
|
79
|
81
|
108
|
135
|
145
|
126
|
91
|
50
|
67
|
84
|
92
|
94
|
109
|
123
|
90
|
29
|
42
|
32
|
48
|
52
|
60
|
73
|
82
|
96
|
147
|
73
|
|
2025/11
|
52
|
48
|
59
|
50
|
49
|
26
|
13
|
21
|
15
|
33
|
41
|
49
|
54
|
45
|
41
|
45
|
18
|
26
|
40
|
65
|
69
|
92
|
76
|
62
|
56
|
68
|
71
|
72
|
75
|
92
|
|
|
2025/10
|
15
|
14
|
11
|
12
|
26
|
35
|
36
|
30
|
40
|
39
|
43
|
24
|
20
|
24
|
15
|
25
|
11
|
15
|
12
|
9
|
10
|
14
|
20
|
22
|
19
|
28
|
33
|
40
|
42
|
30
|
37
|
|
2025/09
|
33
|
39
|
47
|
38
|
36
|
12
|
29
|
16
|
22
|
16
|
12
|
15
|
21
|
31
|
38
|
33
|
17
|
22
|
15
|
15
|
13
|
11
|
10
|
22
|
27
|
20
|
23
|
26
|
13
|
17
|
|
|
2025/08
|
30
|
35
|
38
|
38
|
31
|
25
|
27
|
18
|
20
|
14
|
20
|
25
|
25
|
31
|
25
|
11
|
18
|
24
|
32
|
31
|
30
|
19
|
26
|
24
|
20
|
26
|
27
|
33
|
33
|
31
|
31
|
|
2025/07
|
16
|
18
|
19
|
18
|
26
|
28
|
18
|
12
|
20
|
23
|
24
|
31
|
39
|
40
|
41
|
40
|
40
|
22
|
22
|
24
|
23
|
18
|
12
|
12
|
15
|
20
|
25
|
22
|
29
|
25
|
26
|
|
2025/06
|
11
|
25
|
34
|
41
|
38
|
42
|
24
|
15
|
30
|
40
|
39
|
37
|
45
|
35
|
39
|
46
|
40
|
19
|
16
|
30
|
13
|
18
|
20
|
19
|
12
|
19
|
26
|
26
|
22
|
13
|
|
|
2025/05
|
51
|
63
|
66
|
43
|
54
|
54
|
50
|
26
|
71
|
81
|
62
|
59
|
48
|
44
|
72
|
77
|
79
|
63
|
71
|
82
|
69
|
30
|
54
|
65
|
54
|
46
|
37
|
22
|
26
|
30
|
19
|
|
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