Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 May
Thu
15 May
Fri
16 May
Sat
17 May
Sun
18 May
Mon
19 May
Tue
20 May
Real-time AQI (Monitoring Station in Langfang)
药材公司
3515
PM2.5
35
PM10
82
O3
0.3
CO
1
SO2
6
NO2
开发区
339
PM2.5
33
PM10
87
O3
0.1
CO
1
SO2
9
NO2
北华航天学院
589
PM2.5
65 *
PM10
85
O3
0.2
CO
3
SO2
8
NO2
河北工业大学
6612
PM2.5
82 *
PM10
86
O3
0.2
CO
2
SO2
6
NO2
Air quality in the last 12 months (Langfang)
|
2025/02
|
67
|
60
|
17
|
24
|
22
|
64
|
28
|
15
|
26
|
129
|
150
|
53
|
83
|
97
|
124
|
30
|
19
|
56
|
34
|
43
|
21
|
19
|
21
|
54
|
62
|
62
|
144
|
195
|
|||
|
2025/01
|
88
|
37
|
42
|
91
|
92
|
20
|
24
|
23
|
18
|
29
|
33
|
34
|
87
|
44
|
27
|
51
|
77
|
136
|
54
|
101
|
88
|
60
|
75
|
127
|
140
|
121
|
30
|
38
|
219
|
78
|
83
|
|
2024/12
|
118
|
26
|
52
|
59
|
56
|
31
|
20
|
31
|
56
|
46
|
51
|
97
|
47
|
35
|
43
|
43
|
24
|
21
|
61
|
59
|
23
|
26
|
41
|
92
|
106
|
29
|
31
|
46
|
99
|
76
|
57
|
|
2024/11
|
124
|
94
|
70
|
31
|
51
|
71
|
130
|
138
|
113
|
111
|
76
|
126
|
80
|
50
|
75
|
66
|
40
|
55
|
62
|
90
|
43
|
40
|
50
|
117
|
72
|
23
|
21
|
25
|
46
|
65
|
|
|
2024/10
|
21
|
20
|
45
|
72
|
90
|
103
|
32
|
40
|
122
|
44
|
78
|
125
|
129
|
152
|
73
|
54
|
63
|
56
|
26
|
40
|
62
|
40
|
64
|
127
|
148
|
207
|
72
|
76
|
118
|
131
|
135
|
|
2024/09
|
30
|
19
|
43
|
57
|
35
|
37
|
38
|
46
|
63
|
30
|
33
|
33
|
46
|
33
|
32
|
58
|
51
|
50
|
56
|
35
|
14
|
23
|
46
|
73
|
53
|
51
|
48
|
72
|
66
|
15
|
|
|
2024/08
|
31
|
49
|
44
|
34
|
23
|
45
|
46
|
44
|
50
|
59
|
47
|
23
|
19
|
31
|
56
|
47
|
50
|
29
|
34
|
28
|
26
|
34
|
46
|
34
|
47
|
23
|
29
|
40
|
50
|
61
|
55
|
|
2024/07
|
39
|
46
|
47
|
62
|
76
|
35
|
59
|
36
|
62
|
65
|
72
|
64
|
59
|
82
|
59
|
49
|
37
|
40
|
54
|
39
|
48
|
35
|
63
|
50
|
23
|
29
|
36
|
33
|
42
|
23
|
37
|
|
2024/06
|
44
|
57
|
56
|
60
|
68
|
79
|
54
|
51
|
82
|
84
|
78
|
66
|
81
|
47
|
45
|
60
|
59
|
62
|
68
|
62
|
57
|
114
|
78
|
47
|
51
|
73
|
62
|
65
|
66
|
47
|
|
|
2024/05
|
54
|
59
|
61
|
70
|
54
|
73
|
66
|
76
|
72
|
88
|
147
|
45
|
68
|
73
|
34
|
60
|
70
|
87
|
58
|
36
|
38
|
89
|
72
|
37
|
26
|
42
|
40
|
64
|
71
|
60
|
25
|
|
2024/04
|
77
|
74
|
67
|
66
|
72
|
94
|
73
|
99
|
49
|
62
|
122
|
71
|
79
|
63
|
122
|
62
|
95
|
101
|
79
|
50
|
94
|
92
|
41
|
57
|
101
|
95
|
96
|
44
|
30
|
40
|
|
|
2024/03
|
38
|
98
|
74
|
70
|
74
|
63
|
115
|
29
|
70
|
113
|
122
|
97
|
75
|
91
|
106
|
163
|
43
|
136
|
95
|
53
|
83
|
74
|
107
|
85
|
81
|
96
|
133
|
207
|
110
|
64
|
84
|
|
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