ID: 2385

AQSQID: 060210003

Site Name: Willows-Colusa

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

Updated: May 28, 2022, 12:41 p.m.

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

Reporting: True, Located: True

Current AQI: 14.0

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
May 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 14.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 15.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 15.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 18.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 18.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 20.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 20.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 19.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 19.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) 27.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) 27.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 33.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 33.0
 
May 28, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 25.0
 
May 27, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 38.0
 
May 27, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 38.0
 
May 27, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 18.0 μg/m3 (17) 1.0 μg/m3 (5) 36.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 31.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 31.0
 
May 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 28.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 25.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 25.0
 
May 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 21.0
 
May 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 23.0
 
May 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 25.0
 
May 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 29.0 μg/m3 (27) 1.0 μg/m3 (5) 31.0
 
May 27, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 36.0
 
May 27, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 30.0 μg/m3 (28) 5.0 μg/m3 (21) 40.0
 
May 27, 2022, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 32.0 μg/m3 (30) 2.0 μg/m3 (9) 40.0
 
May 26, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 32.0 μg/m3 (30) 1.0 μg/m3 (5) 43.0
 
May 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 30.0 μg/m3 (28) 1.0 μg/m3 (5) 45.0
 
May 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 45.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 46.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 46.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 44.0 μg/m3 (41) 7.0 μg/m3 (30) 44.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 44.0 μg/m3 (41) 7.0 μg/m3 (30) 44.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.0 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.0 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.0 μg/m3 (26) 4.0 μg/m3 (17) 38.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.0 μg/m3 (26) 4.0 μg/m3 (17) 38.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 33.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 33.0
 
May 26, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 27.0
 
May 26, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 24.0
 
May 26, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 24.0
 
May 26, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 21.0
 
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 21.0 μg/m3 (20) 1.0 μg/m3 (5) 27.0
 
May 26, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 38.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 38.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 41.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.0 μg/m3 (15) -1.0 μg/m3 (0) 44.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.0 μg/m3 (15) -1.0 μg/m3 (0) 44.0
 
May 25, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 37.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 37.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 37.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 33.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 33.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 29.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 29.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) -2.0 μg/m3 (0) 27.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) -2.0 μg/m3 (0) 27.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 26.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 25.0
 
May 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 21.0
 
May 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 27.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) -2.0 μg/m3 (0) 28.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 27.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A -1.0 μg/m3 (0) -2.0 μg/m3 (0) 37.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 38.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 5.0 μg/m3 (5) N/A 45.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 9.0 μg/m3 (9) -2.0 μg/m3 (0) 58.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 13.0 μg/m3 (13) -2.0 μg/m3 (0) 74.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 22.0 μg/m3 (21) N/A 65.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 49.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 49.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 49.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A -2.0 μg/m3 (0) 4.0 μg/m3 (17) 50.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 0.0 μg/m3 (0) 3.0 μg/m3 (13) 50.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 6.0 μg/m3 (6) -3.0 μg/m3 (0) 48.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 25.0 μg/m3 (24) -3.0 μg/m3 (0) 48.0
 
May 19, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 48.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -2.0 μg/m3 (0) 14.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 2.0 μg/m3 (9) 43.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -1.0 μg/m3 (0) 15.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 3.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -3.0 μg/m3 (0) 8.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) -3.0 μg/m3 (0) 11.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 17.0 μg/m3 (16) N/A 38.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 5.0 μg/m3 (5) N/A 38.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 40.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 18.0 μg/m3 (17) 1.0 μg/m3 (5) 39.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 39.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 40.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 25.0 μg/m3 (24) 2.0 μg/m3 (9) 46.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 21.0 μg/m3 (20) 2.0 μg/m3 (9) 42.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 21.0 μg/m3 (20) 2.0 μg/m3 (9) 42.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 31.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 31.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 26.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 26.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 23.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 23.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 26.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 26.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 26.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 61.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 65.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 68.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 58.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 51.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 50.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 50.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 46.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 43.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 43.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 39.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 39.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 37.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 37.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 35.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 35.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 25.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 25.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 21.0 μg/m3 (20) 3.0 μg/m3 (13) 20.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
May 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
May 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 27.0
 
May 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 30.0
 
May 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 35.0
 
May 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 40.0
 
May 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 21.0 μg/m3 (20) 2.0 μg/m3 (9) 44.0
 
May 17, 2022, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 13.0 μg/m3 (13) 1.0 μg/m3 (5) 43.0
 
May 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 42.0
 
May 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 27.0 μg/m3 (25) 1.0 μg/m3 (5) 42.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 41.0
 
May 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 39.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 38.0
 
May 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 37.0
 
May 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 32.0
 
May 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 26.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 16.0
 
May 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 8.0
 
May 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 5.0 μg/m3 (5) 20.0 μg/m3 (68) 68.0
 
May 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 27.0
 
May 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 32.0
 
May 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 27.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 25.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 25.0
 
May 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 28.0
 
May 16, 2022, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 9.0 μg/m3 (9) -2.0 μg/m3 (0) 30.0
 
May 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 34.0
 
May 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 37.0
 
May 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 37.0
 
May 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 36.0
 
May 15, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 35.0
 
May 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 31.0
 
May 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 26.0
 
May 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 19.0
 
May 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) 18.0