ID: 2385

AQSQID: 060210003

Site Name: Willows-Colusa

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 27, 2020, 8:39 a.m.

Location: Willows (E Co Rd 49 1/2), CA

Reporting: True, Located: True

Current AQI: 154.0

Willows (E Co Rd 49 1/2) CA, US: 39.53387, -122.190834

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 263.0 μg/m3 (154) 12.0 μg/m3 (50) 154.0
 
Sept. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 204.9 μg/m3 (125) 17.0 μg/m3 (61) 125.0
 
Sept. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 62.6 μg/m3 (54) 56.0 μg/m3 (150) 150.0
 
Sept. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Sept. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.1 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 34.2 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Sept. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 16.6 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
Sept. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 24.9 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Sept. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 26.5 μg/m3 (24) 3.0 μg/m3 (12) 26.0
 
Sept. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 46.0 μg/m3 (42) 7.0 μg/m3 (29) 42.0
 
Sept. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 52.1 μg/m3 (47) 10.0 μg/m3 (42) 47.0
 
Sept. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 91.3 μg/m3 (68) 14.0 μg/m3 (54) 68.0
 
Sept. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 97.9 μg/m3 (71) 73.0 μg/m3 (159) 159.0
 
Sept. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 68.4 μg/m3 (57) 35.0 μg/m3 (99) 99.0
 
Sept. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 58.8 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Sept. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 52.4 μg/m3 (48) 13.0 μg/m3 (52) 52.0
 
Sept. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 30.2 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.5 μg/m3 (41) 8.0 μg/m3 (33) 41.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 45.5 μg/m3 (41) 8.0 μg/m3 (33) 41.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 45.6 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 54.8 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Sept. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 56.4 μg/m3 (51) 18.0 μg/m3 (63) 63.0
 
Sept. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 57.3 μg/m3 (51) 12.0 μg/m3 (50) 51.0
 
Sept. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 66.7 μg/m3 (56) 17.0 μg/m3 (61) 61.0
 
Sept. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 69.5 μg/m3 (57) 13.0 μg/m3 (52) 57.0
 
Sept. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 82.3 μg/m3 (64) 22.0 μg/m3 (71) 71.0
 
Sept. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 85.9 μg/m3 (65) 17.0 μg/m3 (61) 65.0
 
Sept. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 61.0 μg/m3 (53) 16.0 μg/m3 (59) 59.0
 
Sept. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 47.2 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 48.6 μg/m3 (44) 8.0 μg/m3 (33) 44.0
 
Sept. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 46.1 μg/m3 (42) 7.0 μg/m3 (29) 42.0
 
Sept. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 45.4 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 44.4 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
Sept. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 40.1 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 49.2 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 59.5 μg/m3 (52) 5.0 μg/m3 (21) 52.0
 
Sept. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 42.1 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 39.6 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 78.7 μg/m3 (62) 9.0 μg/m3 (38) 62.0
 
Sept. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 30.6 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.2 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Sept. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 14.3 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 22.7 μg/m3 (21) 3.0 μg/m3 (12) 21.0
 
Sept. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 23.1 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Sept. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 31.9 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
Sept. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 36.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Sept. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 54.8 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 75.9 μg/m3 (60) 11.0 μg/m3 (46) 60.0
 
Sept. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 80.2 μg/m3 (63) 15.0 μg/m3 (56) 63.0
 
Sept. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 126.8 μg/m3 (86) 18.0 μg/m3 (63) 86.0
 
Sept. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 67.6 μg/m3 (56) 19.0 μg/m3 (65) 65.0
 
Sept. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 58.7 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
Sept. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 40.4 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
Sept. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 42.1 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 54.4 μg/m3 (49) 12.0 μg/m3 (50) 50.0
 
Sept. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
Sept. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 41.5 μg/m3 (38) 14.0 μg/m3 (54) 54.0
 
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 33.1 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 17.3 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 42.6 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 43.7 μg/m3 (40) 4.0 μg/m3 (17) 40.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.5 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 36.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 57.0 μg/m3 (51) 18.0 μg/m3 (63) 63.0
 
Sept. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 51.0 μg/m3 (46) 15.0 μg/m3 (56) 56.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 65.0 μg/m3 (55) 21.0 μg/m3 (69) 69.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 94.0 μg/m3 (70) 19.0 μg/m3 (65) 70.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 92.0 μg/m3 (68) 21.0 μg/m3 (69) 69.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 110.0 μg/m3 (78) 21.0 μg/m3 (69) 78.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 99.0 μg/m3 (72) 25.0 μg/m3 (78) 78.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 101.0 μg/m3 (73) 14.0 μg/m3 (54) 73.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 95.0 μg/m3 (70) 25.0 μg/m3 (78) 78.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 85.0 μg/m3 (65) 20.0 μg/m3 (67) 67.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 51.0 μg/m3 (46) 7.0 μg/m3 (29) 46.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 73.0 μg/m3 (59) 7.0 μg/m3 (29) 59.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 65.0 μg/m3 (55) 8.0 μg/m3 (33) 55.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 66.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 70.0 μg/m3 (58) 12.0 μg/m3 (50) 58.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 100.0 μg/m3 (72) 13.0 μg/m3 (52) 72.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 37.0 μg/m3 (34) 7.0 μg/m3 (29) 34.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 47.0 μg/m3 (43) 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 47.0 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 58.0 μg/m3 (52) 21.0 μg/m3 (69) 69.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 77.0 μg/m3 (61) 25.0 μg/m3 (78) 78.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 105.0 μg/m3 (75) 29.0 μg/m3 (86) 86.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 140.0 μg/m3 (92) 40.0 μg/m3 (111) 111.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 122.0 μg/m3 (84) 43.0 μg/m3 (119) 119.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 116.0 μg/m3 (80) 37.0 μg/m3 (104) 104.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 90.0 μg/m3 (68) 37.0 μg/m3 (104) 104.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 94.0 μg/m3 (70) 45.0 μg/m3 (124) 124.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 115.0 μg/m3 (80) 39.0 μg/m3 (109) 109.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 82.0 μg/m3 (64) 33.0 μg/m3 (95) 95.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 69.0 μg/m3 (57) 20.0 μg/m3 (67) 67.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 54.0 μg/m3 (49) 15.0 μg/m3 (56) 56.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 44.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 33.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 66.0 μg/m3 (56) 14.0 μg/m3 (54) 56.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 91.0 μg/m3 (68) 14.0 μg/m3 (54) 68.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 62.0 μg/m3 (54) 18.0 μg/m3 (63) 63.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 37.0 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 63.0 μg/m3 (54) 31.0 μg/m3 (90) 90.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 86.0 μg/m3 (66) 44.0 μg/m3 (121) 121.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 83.0 μg/m3 (64) 43.0 μg/m3 (119) 119.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 93.0 μg/m3 (69) 45.0 μg/m3 (124) 124.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 121.0 μg/m3 (83) 52.0 μg/m3 (141) 141.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 169.0 μg/m3 (107) 65.0 μg/m3 (155) 155.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 157.0 μg/m3 (101) 63.0 μg/m3 (154) 154.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 120.0 μg/m3 (82) 59.0 μg/m3 (152) 152.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 116.0 μg/m3 (80) 54.0 μg/m3 (146) 146.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 84.0 μg/m3 (64) 45.0 μg/m3 (124) 124.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 94.0 μg/m3 (70) 54.0 μg/m3 (146) 146.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 92.0 μg/m3 (68) 53.0 μg/m3 (144) 144.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 84.0 μg/m3 (64) 56.0 μg/m3 (150) 150.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 113.0 μg/m3 (79) 88.0 μg/m3 (167) 167.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 111.0 μg/m3 (78) 72.0 μg/m3 (159) 159.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 125.0 μg/m3 (85) 58.0 μg/m3 (151) 151.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 131.0 μg/m3 (88) 66.0 μg/m3 (156) 156.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 108.0 μg/m3 (76) 65.0 μg/m3 (155) 155.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 115.0 μg/m3 (80) 56.0 μg/m3 (150) 150.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 115.0 μg/m3 (80) 62.0 μg/m3 (153) 153.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (64) 55.0 μg/m3 (149) 149.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 79.0 μg/m3 (62) 58.0 μg/m3 (151) 151.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 80.0 μg/m3 (62) 59.0 μg/m3 (152) 152.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 83.0 μg/m3 (64) 59.0 μg/m3 (152) 152.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 87.0 μg/m3 (66) 63.0 μg/m3 (154) 154.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 98.0 μg/m3 (72) 62.0 μg/m3 (153) 153.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 101.0 μg/m3 (73) 70.0 μg/m3 (158) 158.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 111.0 μg/m3 (78) 74.0 μg/m3 (160) 160.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 120.0 μg/m3 (82) 77.0 μg/m3 (161) 161.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 126.0 μg/m3 (86) 77.0 μg/m3 (161) 161.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 135.0 μg/m3 (90) 72.0 μg/m3 (159) 159.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 99.0 μg/m3 (72) 69.0 μg/m3 (157) 157.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 87.0 μg/m3 (66) 57.0 μg/m3 (151) 151.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 77.0 μg/m3 (61) 38.0 μg/m3 (106) 106.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 71.0 μg/m3 (58) 34.0 μg/m3 (97) 97.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 52.0 μg/m3 (47) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 56.0 μg/m3 (50) 35.0 μg/m3 (99) 99.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 60.0 μg/m3 (52) 31.0 μg/m3 (90) 90.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 65.0 μg/m3 (55) 31.0 μg/m3 (90) 90.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 74.0 μg/m3 (60) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 47.0 μg/m3 (43) 31.0 μg/m3 (90) 90.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 62.0 μg/m3 (54) 38.0 μg/m3 (106) 106.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 67.0 μg/m3 (56) 41.0 μg/m3 (114) 114.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 58.0 μg/m3 (52) 39.0 μg/m3 (109) 109.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 36.0 μg/m3 (101) 101.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 72.0 μg/m3 (58) 64.0 μg/m3 (154) 154.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 72.0 μg/m3 (58) 60.0 μg/m3 (152) 152.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 66.0 μg/m3 (56) 57.0 μg/m3 (151) 151.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 65.0 μg/m3 (55) 66.0 μg/m3 (156) 156.0