Lee Vining (Mattly Ave) CA, US: 37.962069, -119.120278
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 152.0 μg/m3 (98) | 106.8 μg/m3 (177) | 177.0 | |
| Sept. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 190.0 μg/m3 (118) | 131.8 μg/m3 (190) | 190.0 | |
| Sept. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 196.0 μg/m3 (120) | 136.0 μg/m3 (192) | 192.0 | |
| Sept. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 227.0 μg/m3 (136) | 155.4 μg/m3 (205) | 205.0 | |
| Sept. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 235.0 μg/m3 (140) | 160.7 μg/m3 (210) | 210.0 | |
| Sept. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 275.0 μg/m3 (160) | 186.8 μg/m3 (236) | 236.0 | |
| Sept. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 123.0 μg/m3 (84) | 81.5 μg/m3 (164) | 164.0 | |
| Sept. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (37) | 23.1 μg/m3 (74) | 74.0 | |
| Sept. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (46) | 28.4 μg/m3 (85) | 85.0 | |
| Sept. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 μg/m3 (54) | 35.2 μg/m3 (99) | 99.0 | |
| Sept. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (52) | 33.7 μg/m3 (96) | 96.0 | |
| Sept. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 139.0 μg/m3 (92) | 91.7 μg/m3 (169) | 169.0 | |
| Sept. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 122.0 μg/m3 (84) | 80.5 μg/m3 (163) | 163.0 | |
| Sept. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 μg/m3 (74) | 69.8 μg/m3 (158) | 158.0 | |
| Sept. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 125.0 μg/m3 (85) | 85.8 μg/m3 (166) | 166.0 | |
| Sept. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 158.0 μg/m3 (102) | 113.2 μg/m3 (180) | 180.0 | |
| Sept. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 160.0 μg/m3 (102) | 111.3 μg/m3 (179) | 179.0 | |
| Sept. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 215.0 μg/m3 (130) | 150.6 μg/m3 (200) | 200.0 | |
| Sept. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 189.0 μg/m3 (117) | 139.3 μg/m3 (194) | 194.0 | |
| Sept. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 204.0 μg/m3 (124) | 153.9 μg/m3 (203) | 203.0 | |
| Sept. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 176.0 μg/m3 (110) | 131.4 μg/m3 (190) | 190.0 | |
| Sept. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 200.0 μg/m3 (122) | 148.2 μg/m3 (199) | 199.0 | |
| Sept. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 258.0 μg/m3 (152) | 193.5 μg/m3 (243) | 243.0 | |
| Sept. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 256.0 μg/m3 (150) | 192.1 μg/m3 (242) | 242.0 | |
| Sept. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 300.0 μg/m3 (172) | 225.9 μg/m3 (275) | 275.0 | |
| Sept. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 340.0 μg/m3 (192) | 251.4 μg/m3 (301) | 301.0 | |
| Sept. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 324.0 μg/m3 (184) | 240.6 μg/m3 (290) | 290.0 | |
| Sept. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 345.0 μg/m3 (195) | 253.8 μg/m3 (303) | 303.0 | |
| Sept. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 398.0 μg/m3 (261) | 294.2 μg/m3 (344) | 344.0 | |
| Sept. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 399.0 μg/m3 (263) | 291.7 μg/m3 (341) | 341.0 | |
| Sept. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 415.0 μg/m3 (286) | 298.4 μg/m3 (348) | 348.0 | |
| Sept. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 448.0 μg/m3 (329) | 320.2 μg/m3 (370) | 370.0 | |
| Sept. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 449.0 μg/m3 (330) | 317.7 μg/m3 (367) | 367.0 | |
| Sept. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 560.0 μg/m3 (455) | 387.7 μg/m3 (425) | 455.0 | |
| Sept. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 386.0 μg/m3 (244) | 263.2 μg/m3 (313) | 313.0 | |
| Sept. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 264.0 μg/m3 (154) | 174.1 μg/m3 (224) | 224.0 | |
| Sept. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 243.0 μg/m3 (144) | 157.9 μg/m3 (207) | 207.0 | |
| Sept. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 250.0 μg/m3 (148) | 163.2 μg/m3 (213) | 213.0 | |
| Sept. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 334.0 μg/m3 (190) | 214.0 μg/m3 (264) | 264.0 | |
| Sept. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 281.0 μg/m3 (163) | 185.4 μg/m3 (235) | 235.0 | |
| Sept. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 261.0 μg/m3 (153) | 180.2 μg/m3 (230) | 230.0 | |
| Sept. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 265.0 μg/m3 (155) | 184.9 μg/m3 (234) | 234.0 | |
| Sept. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 267.0 μg/m3 (156) | 184.5 μg/m3 (234) | 234.0 | |
| Sept. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 274.0 μg/m3 (160) | 183.7 μg/m3 (233) | 233.0 | |
| Sept. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 291.0 μg/m3 (168) | 201.5 μg/m3 (251) | 251.0 | |
| Sept. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 303.0 μg/m3 (174) | 205.5 μg/m3 (255) | 255.0 | |
| Sept. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 275.0 μg/m3 (160) | 186.3 μg/m3 (236) | 236.0 | |
| Sept. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 186.0 μg/m3 (116) | 122.7 μg/m3 (185) | 185.0 | |
| Sept. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 208.0 μg/m3 (126) | 126.3 μg/m3 (187) | 187.0 | |
| Sept. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 145.0 μg/m3 (95) | 78.9 μg/m3 (162) | 162.0 | |
| Sept. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 110.0 μg/m3 (78) | 61.2 μg/m3 (153) | 153.0 | |
| Sept. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 134.0 μg/m3 (90) | 79.3 μg/m3 (163) | 163.0 | |
| Sept. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 222.0 μg/m3 (134) | 141.5 μg/m3 (195) | 195.0 | |
| Sept. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 517.0 μg/m3 (412) | 327.7 μg/m3 (377) | 412.0 | |
| Sept. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 809.0 μg/m3 (704) | 499.2 μg/m3 (499) | 704.0 | |
| Sept. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 110.0 μg/m3 (78) | 67.1 μg/m3 (156) | 156.0 | |
| Sept. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 μg/m3 (56) | 38.6 μg/m3 (108) | 108.0 | |
| Sept. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 μg/m3 (52) | 32.9 μg/m3 (94) | 94.0 | |
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (50) | 31.9 μg/m3 (92) | 92.0 | |
| Sept. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (50) | 31.4 μg/m3 (91) | 91.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (54) | 36.6 μg/m3 (103) | 103.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (35) | 21.4 μg/m3 (70) | 70.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (31) | 18.2 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 20.5 μg/m3 (68) | 68.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 21.2 μg/m3 (70) | 70.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (31) | 19.9 μg/m3 (67) | 67.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 19.5 μg/m3 (66) | 66.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 19.4 μg/m3 (66) | 66.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (31) | 18.7 μg/m3 (64) | 64.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 18.2 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 18.2 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 17.8 μg/m3 (62) | 62.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 17.4 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (31) | 17.4 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (28) | 17.3 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 16.9 μg/m3 (60) | 60.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (32) | 17.4 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (35) | 18.4 μg/m3 (64) | 64.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (36) | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 μg/m3 (45) | 30.2 μg/m3 (89) | 89.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (52) | 35.3 μg/m3 (100) | 100.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (54) | 38.2 μg/m3 (107) | 107.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 μg/m3 (54) | 39.4 μg/m3 (110) | 110.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (47) | 32.4 μg/m3 (93) | 93.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (52) | 37.6 μg/m3 (105) | 105.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (58) | 44.4 μg/m3 (122) | 122.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 μg/m3 (64) | 54.1 μg/m3 (146) | 146.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 108.0 μg/m3 (76) | 71.2 μg/m3 (158) | 158.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 126.0 μg/m3 (86) | 83.6 μg/m3 (165) | 165.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 133.0 μg/m3 (89) | 89.9 μg/m3 (168) | 168.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 105.0 μg/m3 (75) | 70.1 μg/m3 (158) | 158.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 100.0 μg/m3 (72) | 67.1 μg/m3 (156) | 156.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 82.0 μg/m3 (64) | 53.6 μg/m3 (145) | 145.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 μg/m3 (56) | 42.0 μg/m3 (116) | 116.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 90.0 μg/m3 (68) | 58.0 μg/m3 (151) | 151.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 114.0 μg/m3 (80) | 76.5 μg/m3 (161) | 161.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 167.0 μg/m3 (106) | 112.6 μg/m3 (180) | 180.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 158.0 μg/m3 (102) | 108.2 μg/m3 (178) | 178.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 198.0 μg/m3 (122) | 135.5 μg/m3 (192) | 192.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 150.0 μg/m3 (98) | 101.6 μg/m3 (174) | 174.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 134.0 μg/m3 (90) | 90.5 μg/m3 (168) | 168.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 157.0 μg/m3 (101) | 104.0 μg/m3 (176) | 176.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 197.0 μg/m3 (121) | 130.5 μg/m3 (189) | 189.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 324.0 μg/m3 (184) | 215.3 μg/m3 (265) | 265.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 155.0 μg/m3 (100) | 98.7 μg/m3 (173) | 173.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 172.0 μg/m3 (108) | 103.5 μg/m3 (175) | 175.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 341.0 μg/m3 (193) | 216.2 μg/m3 (266) | 266.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 194.0 μg/m3 (120) | 135.6 μg/m3 (192) | 192.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 385.0 μg/m3 (243) | 277.0 μg/m3 (326) | 326.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 296.0 μg/m3 (170) | 212.1 μg/m3 (262) | 262.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 199.0 μg/m3 (122) | 143.7 μg/m3 (196) | 196.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 12.3 μg/m3 (51) | 51.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 6.1 μg/m3 (25) | 25.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 μg/m3 (73) | 72.1 μg/m3 (159) | 159.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 383.0 μg/m3 (240) | 285.9 μg/m3 (335) | 335.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 398.0 μg/m3 (261) | 292.8 μg/m3 (342) | 342.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 338.0 μg/m3 (192) | 249.0 μg/m3 (298) | 298.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 833.0 μg/m3 (728) | 537.2 μg/m3 (524) | 728.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 655.0 μg/m3 (550) | 449.6 μg/m3 (466) | 550.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 740.0 μg/m3 (635) | 519.6 μg/m3 (513) | 635.0 | |
| Sept. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 599.0 μg/m3 (494) | 435.4 μg/m3 (457) | 494.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1798.0 μg/m3 (1693) | 1040.6 μg/m3 (860) | 1693.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1312.0 μg/m3 (1207) | 823.0 μg/m3 (715) | 1207.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1532.0 μg/m3 (1427) | 898.8 μg/m3 (766) | 1427.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1752.0 μg/m3 (1647) | 971.2 μg/m3 (814) | 1647.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1025.0 μg/m3 (850) | 850.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1413.0 μg/m3 (1308) | 747.4 μg/m3 (665) | 1308.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1669.0 μg/m3 (1564) | 871.9 μg/m3 (748) | 1564.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1786.0 μg/m3 (1681) | 922.4 μg/m3 (781) | 1681.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1684.0 μg/m3 (1579) | 886.0 μg/m3 (757) | 1579.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1404.0 μg/m3 (1299) | 788.0 μg/m3 (692) | 1299.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1388.0 μg/m3 (1283) | 783.1 μg/m3 (688) | 1283.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1391.0 μg/m3 (1286) | 793.7 μg/m3 (695) | 1286.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1429.0 μg/m3 (1324) | 810.6 μg/m3 (707) | 1324.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1453.0 μg/m3 (1348) | 822.9 μg/m3 (715) | 1348.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1428.0 μg/m3 (1323) | 827.4 μg/m3 (718) | 1323.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1455.0 μg/m3 (1350) | 838.4 μg/m3 (725) | 1350.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1433.0 μg/m3 (1328) | 837.5 μg/m3 (725) | 1328.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1491.0 μg/m3 (1386) | 867.4 μg/m3 (745) | 1386.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1577.0 μg/m3 (1472) | 902.8 μg/m3 (768) | 1472.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1629.0 μg/m3 (1524) | 923.4 μg/m3 (782) | 1524.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1654.0 μg/m3 (1549) | 935.8 μg/m3 (790) | 1549.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1732.0 μg/m3 (1627) | 971.5 μg/m3 (814) | 1627.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1681.0 μg/m3 (1576) | 950.4 μg/m3 (800) | 1576.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1709.0 μg/m3 (1604) | 970.6 μg/m3 (813) | 1604.0 | |
| Sept. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1496.0 μg/m3 (1391) | 857.8 μg/m3 (738) | 1391.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1332.0 μg/m3 (1227) | 762.4 μg/m3 (675) | 1227.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1257.0 μg/m3 (1152) | 726.3 μg/m3 (651) | 1152.0 | |
| Sept. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1052.0 μg/m3 (947) | 608.3 μg/m3 (572) | 947.0 | |
| Sept. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1216.0 μg/m3 (1111) | 691.1 μg/m3 (627) | 1111.0 | |
| Sept. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1389.0 μg/m3 (1284) | 790.8 μg/m3 (694) | 1284.0 | |
| Sept. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1142.0 μg/m3 (1037) | 613.6 μg/m3 (575) | 1037.0 | |
| Sept. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1309.0 μg/m3 (1204) | 697.9 μg/m3 (632) | 1204.0 | |
| Sept. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1350.0 μg/m3 (1245) | 719.6 μg/m3 (646) | 1245.0 | |
| Sept. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1225.0 μg/m3 (1120) | 675.9 μg/m3 (617) | 1120.0 | |
| Sept. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1125.0 μg/m3 (1020) | 638.2 μg/m3 (592) | 1020.0 | |
| Sept. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1089.0 μg/m3 (984) | 630.4 μg/m3 (587) | 984.0 | |
| Sept. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1132.0 μg/m3 (1027) | 655.2 μg/m3 (603) | 1027.0 | |
| Sept. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1160.0 μg/m3 (1055) | 675.5 μg/m3 (617) | 1055.0 | |
| Sept. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1121.0 μg/m3 (1016) | 656.0 μg/m3 (604) | 1016.0 | |
| Sept. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1209.0 μg/m3 (1104) | 700.4 μg/m3 (633) | 1104.0 | |
| Sept. 16, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1218.0 μg/m3 (1113) | 697.6 μg/m3 (631) | 1113.0 |