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
26 Sep
Sun
27 Sep
Mon
28 Sep
Tue
29 Sep
Wed
30 Sep
Thu
1 Oct
Fri
2 Oct
Real-time AQI (Monitoring Station in Zhangye)
监测站
4214
PM2.5
42
PM10
110
O3
0.2
CO
3
SO2
7
NO2
科委
4418
PM2.5
44
PM10
121
O3
0.2
CO
2
SO2
4
NO2
Air quality in the last 12 months (Zhangye)
|
2026/08
|
83
|
42
|
39
|
42
|
47
|
51
|
55
|
62
|
70
|
59
|
35
|
45
|
43
|
52
|
126
|
50
|
37
|
36
|
37
|
38
|
36
|
40
|
44
|
45
|
50
|
42
|
33
|
40
|
40
|
42
|
43
|
|
2026/07
|
52
|
45
|
53
|
54
|
63
|
45
|
43
|
46
|
49
|
33
|
39
|
40
|
40
|
37
|
40
|
42
|
93
|
38
|
50
|
62
|
41
|
46
|
48
|
58
|
63
|
66
|
63
|
67
|
39
|
30
|
75
|
|
2026/06
|
41
|
52
|
166
|
55
|
102
|
230
|
63
|
51
|
57
|
45
|
46
|
49
|
48
|
49
|
54
|
261
|
95
|
37
|
36
|
36
|
45
|
48
|
46
|
152
|
38
|
40
|
46
|
42
|
47
|
45
|
|
|
2026/05
|
44
|
50
|
44
|
41
|
46
|
77
|
57
|
55
|
100
|
96
|
68
|
66
|
229
|
74
|
58
|
88
|
87
|
62
|
59
|
97
|
95
|
85
|
80
|
62
|
62
|
40
|
43
|
55
|
52
|
51
|
50
|
|
2026/04
|
71
|
196
|
122
|
74
|
52
|
56
|
77
|
86
|
76
|
68
|
75
|
69
|
40
|
44
|
62
|
43
|
40
|
127
|
55
|
70
|
114
|
101
|
117
|
66
|
56
|
60
|
57
|
47
|
54
|
58
|
|
|
2026/03
|
120
|
108
|
112
|
160
|
86
|
74
|
91
|
64
|
62
|
64
|
205
|
433
|
197
|
108
|
98
|
116
|
58
|
253
|
197
|
206
|
123
|
169
|
111
|
87
|
99
|
96
|
41
|
41
|
56
|
88
|
69
|
|
2026/02
|
100
|
84
|
89
|
68
|
134
|
270
|
122
|
91
|
164
|
117
|
103
|
85
|
86
|
70
|
90
|
88
|
121
|
61
|
43
|
89
|
419
|
168
|
91
|
100
|
116
|
88
|
154
|
104
|
|||
|
2026/01
|
64
|
74
|
63
|
50
|
67
|
54
|
66
|
48
|
72
|
60
|
46
|
46
|
171
|
299
|
90
|
90
|
67
|
43
|
50
|
62
|
67
|
69
|
62
|
335
|
422
|
162
|
119
|
116
|
187
|
247
|
134
|
|
2025/12
|
58
|
60
|
52
|
58
|
60
|
62
|
62
|
64
|
91
|
196
|
101
|
75
|
47
|
49
|
73
|
57
|
62
|
65
|
63
|
37
|
41
|
78
|
71
|
51
|
61
|
53
|
41
|
66
|
60
|
69
|
68
|
|
2025/11
|
78
|
71
|
71
|
68
|
81
|
221
|
111
|
224
|
88
|
84
|
86
|
81
|
83
|
86
|
86
|
42
|
41
|
65
|
85
|
83
|
81
|
78
|
178
|
58
|
56
|
218
|
61
|
77
|
81
|
114
|
|
|
2025/10
|
62
|
52
|
86
|
55
|
41
|
50
|
37
|
38
|
32
|
34
|
31
|
29
|
40
|
59
|
61
|
52
|
52
|
81
|
103
|
70
|
78
|
95
|
84
|
81
|
74
|
67
|
73
|
66
|
89
|
75
|
72
|
|
2025/09
|
85
|
135
|
115
|
93
|
60
|
65
|
65
|
59
|
62
|
70
|
69
|
60
|
171
|
78
|
316
|
56
|
63
|
45
|
56
|
56
|
79
|
401
|
60
|
54
|
59
|
60
|
66
|
64
|
50
|
61
|
|
|
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