Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
Tue
26 May
Wed
27 May
Thu
28 May
Fri
29 May
Sat
30 May
Sun
31 May
Real-time AQI (Monitoring Station in Sanmenxia)
市政府
4213
PM2.5
42
PM10
34
O3
0.6
CO
8
SO2
23
NO2
第一小学
4616
PM2.5
46
PM10
41
O3
0.5
CO
9
SO2
24
NO2
Air quality in the last 12 months (Sanmenxia)
|
2026/04
|
44
|
68
|
122
|
82
|
82
|
63
|
79
|
58
|
52
|
63
|
49
|
58
|
49
|
46
|
53
|
50
|
59
|
61
|
134
|
155
|
39
|
29
|
38
|
43
|
45
|
55
|
87
|
91
|
53
|
48
|
|
|
2026/03
|
22
|
55
|
80
|
92
|
66
|
72
|
39
|
64
|
93
|
118
|
117
|
121
|
188
|
78
|
39
|
64
|
76
|
76
|
76
|
84
|
81
|
108
|
88
|
69
|
66
|
74
|
70
|
66
|
63
|
57
|
81
|
|
2026/02
|
134
|
87
|
88
|
114
|
106
|
72
|
43
|
45
|
86
|
101
|
93
|
106
|
98
|
75
|
76
|
44
|
82
|
75
|
62
|
57
|
99
|
372
|
140
|
55
|
61
|
56
|
56
|
42
|
|||
|
2026/01
|
71
|
127
|
173
|
126
|
67
|
36
|
56
|
58
|
57
|
81
|
60
|
74
|
80
|
111
|
93
|
96
|
87
|
77
|
63
|
49
|
63
|
92
|
103
|
166
|
163
|
180
|
125
|
140
|
184
|
149
|
149
|
|
2025/12
|
129
|
83
|
46
|
68
|
79
|
139
|
128
|
84
|
110
|
164
|
135
|
48
|
92
|
79
|
95
|
143
|
94
|
130
|
134
|
56
|
90
|
107
|
95
|
86
|
59
|
71
|
100
|
116
|
148
|
140
|
75
|
|
2025/11
|
58
|
75
|
76
|
117
|
112
|
86
|
31
|
48
|
76
|
91
|
95
|
102
|
63
|
81
|
96
|
73
|
33
|
28
|
52
|
75
|
73
|
94
|
102
|
103
|
77
|
125
|
154
|
105
|
95
|
85
|
|
|
2025/10
|
28
|
20
|
28
|
36
|
17
|
18
|
22
|
18
|
11
|
13
|
19
|
16
|
30
|
49
|
37
|
42
|
13
|
26
|
42
|
39
|
31
|
65
|
85
|
114
|
52
|
59
|
67
|
73
|
96
|
89
|
81
|
|
2025/09
|
28
|
41
|
12
|
11
|
18
|
54
|
58
|
47
|
30
|
39
|
14
|
20
|
27
|
32
|
42
|
36
|
21
|
13
|
16
|
31
|
18
|
12
|
18
|
39
|
31
|
33
|
25
|
31
|
38
|
49
|
|
|
2025/08
|
32
|
41
|
39
|
45
|
30
|
34
|
42
|
27
|
21
|
27
|
37
|
38
|
50
|
39
|
35
|
22
|
35
|
43
|
33
|
35
|
44
|
47
|
36
|
25
|
46
|
55
|
40
|
23
|
20
|
26
|
29
|
|
2025/07
|
22
|
26
|
30
|
32
|
18
|
34
|
22
|
41
|
39
|
40
|
58
|
53
|
45
|
43
|
44
|
52
|
38
|
46
|
44
|
36
|
35
|
40
|
22
|
25
|
31
|
35
|
38
|
35
|
34
|
37
|
40
|
|
2025/06
|
45
|
51
|
41
|
47
|
39
|
46
|
49
|
53
|
55
|
59
|
60
|
54
|
53
|
43
|
44
|
51
|
48
|
34
|
26
|
39
|
30
|
40
|
40
|
42
|
44
|
26
|
41
|
22
|
40
|
34
|
|
|
2025/05
|
79
|
71
|
72
|
68
|
144
|
245
|
145
|
105
|
87
|
49
|
45
|
44
|
54
|
62
|
60
|
56
|
145
|
93
|
72
|
61
|
72
|
75
|
61
|
38
|
52
|
44
|
51
|
63
|
64
|
55
|
50
|
|
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
*: primary pollution