Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
88
*
PM2.5
109
PM10
16
O3
1.0
CO
8
SO2
44
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
12 Dec
82
Good
Sat
13 Dec
50
Excellent
Sun
14 Dec
60
Good
Mon
15 Dec
72
Good
Tue
16 Dec
86
Good
Wed
17 Dec
27
Excellent
Thu
18 Dec
19
Excellent
Hechuan Air quality rank
Air quality in the last 12 months (Hechuan)
|
2025/11
|
44
|
50
|
59
|
44
|
55
|
38
|
21
|
22
|
23
|
20
|
31
|
42
|
50
|
57
|
30
|
46
|
24
|
21
|
45
|
60
|
76
|
99
|
72
|
72
|
72
|
77
|
102
|
104
|
107
|
130
|
|
|
2025/10
|
38
|
20
|
22
|
19
|
22
|
27
|
41
|
37
|
32
|
54
|
51
|
27
|
17
|
27
|
31
|
32
|
22
|
23
|
16
|
13
|
16
|
23
|
26
|
34
|
30
|
33
|
35
|
49
|
55
|
36
|
46
|
|
2025/09
|
71
|
80
|
49
|
59
|
57
|
20
|
33
|
20
|
32
|
40
|
37
|
22
|
17
|
32
|
42
|
38
|
31
|
24
|
16
|
29
|
20
|
18
|
17
|
27
|
41
|
37
|
32
|
25
|
12
|
29
|
|
|
2025/08
|
32
|
32
|
32
|
38
|
48
|
44
|
25
|
37
|
32
|
32
|
19
|
24
|
28
|
35
|
35
|
18
|
24
|
40
|
27
|
19
|
25
|
31
|
25
|
27
|
35
|
27
|
21
|
23
|
23
|
46
|
33
|
|
2025/07
|
25
|
14
|
13
|
15
|
20
|
31
|
33
|
16
|
18
|
23
|
25
|
30
|
45
|
39
|
34
|
39
|
43
|
33
|
31
|
28
|
30
|
18
|
16
|
17
|
15
|
19
|
25
|
30
|
39
|
38
|
32
|
|
2025/06
|
27
|
27
|
47
|
56
|
51
|
52
|
46
|
26
|
19
|
42
|
46
|
44
|
45
|
40
|
40
|
39
|
32
|
23
|
15
|
35
|
24
|
20
|
17
|
24
|
16
|
26
|
26
|
28
|
20
|
15
|
|
|
2025/05
|
51
|
74
|
95
|
57
|
42
|
75
|
76
|
39
|
60
|
61
|
54
|
65
|
68
|
90
|
88
|
79
|
77
|
81
|
78
|
65
|
80
|
47
|
58
|
65
|
47
|
41
|
22
|
24
|
28
|
29
|
33
|
|
2025/04
|
38
|
53
|
64
|
64
|
67
|
84
|
76
|
75
|
85
|
88
|
50
|
358
|
251
|
147
|
107
|
89
|
89
|
83
|
61
|
39
|
48
|
46
|
57
|
52
|
56
|
49
|
41
|
53
|
51
|
45
|
|
|
2025/03
|
120
|
83
|
34
|
28
|
21
|
25
|
37
|
54
|
69
|
62
|
68
|
83
|
73
|
70
|
39
|
32
|
28
|
36
|
46
|
55
|
72
|
107
|
89
|
63
|
67
|
84
|
119
|
61
|
22
|
31
|
32
|
|
2025/02
|
100
|
67
|
47
|
37
|
66
|
52
|
37
|
41
|
57
|
75
|
136
|
88
|
51
|
42
|
44
|
62
|
61
|
58
|
81
|
61
|
52
|
62
|
43
|
48
|
65
|
84
|
95
|
73
|
|||
|
2025/01
|
189
|
215
|
237
|
167
|
108
|
117
|
119
|
43
|
51
|
44
|
58
|
61
|
97
|
129
|
114
|
98
|
135
|
122
|
138
|
154
|
226
|
234
|
246
|
98
|
31
|
46
|
59
|
86
|
291
|
216
|
122
|
|
2024/12
|
116
|
139
|
113
|
74
|
35
|
29
|
36
|
35
|
46
|
62
|
59
|
55
|
50
|
58
|
75
|
87
|
138
|
165
|
132
|
104
|
135
|
104
|
91
|
104
|
130
|
128
|
150
|
145
|
177
|
123
|
134
|
|
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